CN107606780A - Water heater and its control method - Google Patents
Water heater and its control method Download PDFInfo
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- CN107606780A CN107606780A CN201711016392.0A CN201711016392A CN107606780A CN 107606780 A CN107606780 A CN 107606780A CN 201711016392 A CN201711016392 A CN 201711016392A CN 107606780 A CN107606780 A CN 107606780A
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Abstract
The invention discloses a kind of water heater and its control method, the water heater includes water tank, water inlet pipe, outlet pipe, flow sensor, first temperature sensor, second temperature sensor, first electric heating tube, second electric heating tube and controller, water inlet pipe is provided with the water inlet in water tank, outlet pipe is provided with the delivery port for being used to export hot water in water tank in water tank, first temperature sensor is used for the water temperature for detecting water inlet, first electric heating tube is located at water inlet, second temperature sensor is used to detect the water temperature in water tank, second electric heating tube is located at water outlet, flow sensor is on outlet pipe, first temperature sensor, second temperature sensor, first electric heating tube, second electric heating tube and flow sensor are electrically connected with controller.The present invention can quickly be heated to the low-temperature cold water of water inlet, in the case that tap water temperature is relatively low in the winter time, can also be realized quick output hot water, be realized wink hot wash function.
Description
Technical field
The present invention relates to technical field of water heaters, more particularly, to a kind of water heater and its control method.
Background technology
In current electric heater, its electric heater unit be generally all non-packed in the middle part of the inner bag of water heater, electrical heating
Pipe heats to the water storage of whole inner bag, and by overall heating, it is more slow that this causes water temperature to rise for the water of inner bag, so, often
The electric heater of rule fails to realize the effect of quick output hot water.It is current also to have some that there is the water heater of wink hot wash function push-in
Market, its in wink hot wash function be separately to have the larger heating rod of a power near delivery port, only the water of outflow is added
Heat, the temperature of water outlet can be improved with moment.But this kind wink hot wash function generally require ensure inflow temperature be more than a definite value
(such as 25 DEG C) just can be achieved.Such as in summer, water temperature is higher, general inflow temperature is between 20 DEG C~30 DEG C, so can be real
Existing plug and play, and summer bathing need not too high-temperature, substantially 40 DEG C are just much of that.But to winter, running water
Temperature is 10 DEG C~12 DEG C, now just needs to reach the temperature near delivery port water preheating a period of time of whole water tank
Particular value (26 DEG C), i.e., the wink hot wash that to wait for a period of time just work, wink hot wash function also just lose due effect.
The content of the invention
First technical problem to be solved by this invention is to provide for a kind of water heater, and it can be quick in any season
Hot water is exported, the stand-by period is greatly reduced, realizes wink hot wash function.
Second technical problem to be solved by this invention is to provide for a kind of control method of water heater, its controllable heating
Hydrophone is quickly heated to the low-temperature cold water of water inlet, in the case that tap water temperature is relatively low in the winter time, can also be realized fast
Speed output hot water, realizes wink hot wash function.
Above-mentioned first technical problem is solved by the following technical programs：
A kind of water heater, including water tank, water inlet pipe, outlet pipe, flow sensor, the first temperature sensor, second temperature
Sensor, the first electric heating tube, the second electric heating tube and controller, the water inlet pipe are provided with the water inlet in the water tank
Mouthful, the outlet pipe is provided with the delivery port for being used to export hot water in water tank in the water tank, first TEMP
Device is used for the water temperature for detecting the water inlet, and first electric heating tube is located at the water inlet, and the second temperature passes
Sensor is used to detect the water temperature in the water tank, and second electric heating tube is located at the water outlet, the flow sensor
On the outlet pipe, the flow sensor, first temperature sensor, the second temperature sensor, described
One electric heating tube and second electric heating tube are electrically connected with the controller.
Water heater beneficial effect caused by compared with background technology described in the embodiment of the present invention：The water inlet of the water heater
The first electric heating tube is provided with mouthful, water outlet is provided with the second electric heating tube.When flow sensor detects that outlet pipe has flow
When, namely show user just in bath water, the first temperature detection value that can be now detected according to the first temperature sensor
(i.e. inflow temperature), to judge whether to need to open the first electric heating tube.When inflow temperature is less than the first temperature predetermined value (such as 25
DEG C) when, the first electric heating tube is opened, enables the cold water wink speed heating of water inlet, while heats whole box water, it is on the contrary then need not open
Open the first electric heating tube.Meanwhile the then second temperature detected value that is detected by second temperature sensor (inside i.e. whole water tank
Water temperature), come judge whether to need open the second electric heating tube.When water tank water temperature inside is less than second temperature predetermined value (such as 40
DEG C), then open the second electric heating tube, the water temperature of water outlet is increased rapidly, reach the requirement of instantaneous bathing, it is on the contrary then need not
Open the second electric heating tube.It is first temperature sensor, the second temperature sensor, first electric heating tube, described
Second electric heating tube and the flow sensor logically control corresponding action by controller, rapid so as to realize
Automatic heating function.It follows that the present invention, in the case that originally water temperature is relatively low in the winter time, also can pass through the first electric heating tube will
The low-temperature cold water of water inlet is quickly heated, so as to ensure that the second electric heating tube can heat the water to bathing in a short time
It is required that.The present invention can quickly export hot water in any season, greatly reduce the stand-by period, realize wink hot wash function.
Above-mentioned technical proposal is further described below：
In one of the embodiments, in addition to photovoltaic heating tube, the photovoltaic heating tube is used for and photovoltaic electrification component
Connection, the photovoltaic heating tube is in the water tank, and the photovoltaic heating tube is electrically connected with the controller.The present invention
The controller can control the break-make of photovoltaic electric and civil power by detecting the photovoltaic voltage information of photovoltaic electrification component, so as to real
The intelligence of existing alternating current and direct current is complementary, and civil power is mainly used in the first electric heating tube and the work of the second electric heating tube.In photovoltaic
When information of voltage reaches voltage predetermined value (such as 8VDC), water in photovoltaic heating tube heating water tank can be connected, photovoltaic heating tube is main
The effect of preheating in water tank can be played, to lay in enough hot water in advance, during guarantee water hot water can enough supplies in time,
Avoid waiting for.In one of the embodiments, first electric heating tube is electrically connected by the first relay with city, and described second
Electric heating tube is electrically connected by the second relay with city, and the photovoltaic heating tube passes through the 3rd relay and the photovoltaic generation group
Part is connected, and first relay, second relay and the 3rd relay are electrically connected with the controller.
Controller only needs to control the first relay, the second relay and the 3rd relay can control the first electric heating tube, the respectively
The energization and power-off of two electric heating tubes and photovoltaic heating tube, the setting of the first relay, the second relay and the 3rd relay
So that the control of the first electric heating tube, the second electric heating tube and photovoltaic heating tube is more convenient, accurate.
In one of the embodiments, first electric heating tube and second electric heating tube are loop configuration, institute
State the first electric heating tube to be sheathed on the water inlet pipe and set close to the water inlet, second electric heating tube is sheathed on institute
State on outlet pipe and set close to the delivery port.The first electric heating tube and the second electric heating tube of loop configuration are respectively used to short
The water of heating water inlet and water outlet in time so that water temperature wink speed reach requirement.
In one of the embodiments, in addition to the magnesium rod in the water tank, the water tank is provided with sewage draining exit, described
Magnesium rod can prevent inner water tank to be corroded, extend inner bag service life close to the sewage outfalls setting.
In one of the embodiments, the water tank is provided with described in the first import and export stretched out for the water inlet pipe and confession
The second import and export that outlet pipe stretches out, anti-electricity wall is equipped with the first import and export and at the second import and export.Anti-electricity wall
The issuable electric leakage of water heater itself can be obstructed, can also be obstructed because ground wire electrification or water pipe are powered and shower person is brought
Security threat, to fully ensure that bathing safety.
Above-mentioned second technical problem is solved by the following technical programs：
A kind of control method of water heater, comprises the following steps：
S100：The flow detection value of flow sensor is obtained, when the flow detection value is more than zero, into step S200
With step S300, wherein, step S200 and step S300 are performed simultaneously；
S200：Judge whether the first temperature detection value of the first temperature sensor is more than or equal to the first temperature predetermined value,
First temperature sensor is used for the water temperature for detecting the water inlet in the water tank, if pre- more than or equal to first temperature
Definite value then enters step 210, on the contrary then enter step 220；
S210：Close the first electric heating tube positioned at the water inlet；
S220：Connect the first electric heating tube positioned at the water inlet；
S300：Judge whether the second temperature detected value of second temperature sensor is more than or equal to second temperature predetermined value,
The second temperature sensor is used for the water temperature for detecting the inside of water tank, and the second temperature predetermined value is more than first temperature
Predetermined value, it is on the contrary then enter step S320 if more than or equal to entering step S310 if the second temperature predetermined value；
S310：Second electric heating tube of the water outlet closed in the water tank；
S320：Second electric heating tube of the water outlet connected in the water tank.
The control method of water heater described in embodiment of the present invention beneficial effect caused by compared with background technology：This hair
It is bright in the case that originally water temperature is relatively low in the winter time, the low-temperature cold water of water inlet can also be carried out by the first electric heating tube quick
Heating, so as to ensure that the second electric heating tube can heat the water to bathing requirement in a short time.The present invention is in any season
Quick output hot water, greatly reduces the stand-by period, realizes wink hot wash function.
Above-mentioned technical proposal is further described below：
In one of the embodiments, in the step S100, when the flow detection value is equal to zero, then step is entered
Rapid S400；
S400：Judge whether the second temperature detected value of the second temperature sensor is more than or equal to the first preheating requirement
Value, second temperature predetermined value described in the first preheating requirement value ﹤ described in the first temperature predetermined value ﹤, if more than or equal to described
First preheating requirement value then enters step S410, on the contrary then enter step S420；
S410：Close first electric heating tube；
S420：Connect first electric heating tube to be used to preheat the water in water tank, and enter step S421；
S421：Judge whether the second temperature detected value of the second temperature sensor is more than or equal to the second preheating requirement
Value, the first preheating requirement value≤second temperature described in the second preheating requirement value ﹤ makes a reservation for described in the first temperature predetermined value ﹤
Value, it is on the contrary then enter step S420 if more than or equal to entering step S410 if the second preheating requirement value.
When no bath water exports, namely water heater be in it is standby when, then by step S400 come judge whether need
Water in water tank is heated so as to reach pre- hot function, can then be guaranteed when water temperature reaches preheating requirement value in water tank
Quick output reaches the hot water of bathing requirement.
In one of the embodiments, the first preheating requirement value ﹤ the second preheating requirement values, to ensure in preheating rank
During Duan Jiare, higher temperature can be heated to, to prevent from causing error because temperature detection is not sensitive and accurate enough, is caused
Heating-up temperature may be less than the phenomenon of the first preheating requirement value, so as to be further ensured that wink hot function.
In one of the embodiments, step is also included before step S100：
S500：Judge whether the voltage detecting value of photovoltaic electrification component is more than or equal to voltage predetermined value, if being more than or waiting
Then enter step S510 in the voltage predetermined value, it is on the contrary then enter step S520；
S510：The photovoltaic heating tube connected in the water tank, and enter step S100；
S520：The photovoltaic heating tube closed in the water tank, and enter step S100.
Photovoltaic heating tube mainly plays a part of preheating, i.e., in the case where there is sunlight, starts photovoltaic heating tube, make water
Water heating in case.When sun intensity is larger, water temperature can reach certain temperature, then can need not connect auxiliary electrical heater pipe
(the first electric heating tube and the second electric heating tube), it is on the contrary then need connect auxiliary electrical heater pipe.When no sun or sun intensity
During very little, then bathing requirement can only be reached by auxiliary electrical heater pipe.The present invention reaches while wink hot wash function is realized
Save power consumption, save the effect of the energy.
Brief description of the drawings
Fig. 1 is the structural representation of the water heater described in the embodiment of the present invention；
Fig. 2 is the flow chart of the control method of the water heater described in one embodiment of the invention；
Fig. 3 is the flow chart of the control method of the water heater described in another embodiment of the present invention.
Description of reference numerals：
10th, water tank, 11, shell, 12, heat-insulation layer, 13, inner bag, 14, sewage draining exit, 20, water inlet pipe, 21, water inlet, 30, go out
Water pipe, 31, delivery port, the 41, first electric heating tube, the 42, second electric heating tube, 43, photovoltaic heating tube, the 51, first TEMP
Device, 52, second temperature sensor, the 61, first relay, the 62, second relay, the 63, the 3rd relay, 70, flow sensor,
80th, magnesium rod, 90, anti-electricity wall, 100, controller.
Embodiment
For the objects, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with accompanying drawing and specific embodiment party
Formula, the present invention is described in further detail.It should be appreciated that embodiment described herein is only solving
The present invention is released, does not limit protection scope of the present invention.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly anchored to another
On element or another element can also be fixed on by element placed in the middle.When an element be known as " connection " another
Element, it can be directly to another element or can also be connected to another yuan by element placed in the middle
Part.In addition, unless otherwise indicated, the otherwise description such as the term in specification " first " and " second " is used only for distinguishing specification
In each component, element, step etc., without the logical relation or suitable being intended to indicate that between each component, element, step
Order relation etc..
As shown in figure 1, water heater of the present invention, including water tank 10, water inlet pipe 20, outlet pipe 30, flow sensor
70th, the first temperature sensor 51, second temperature sensor 52, the first electric heating tube 41, the second electric heating tube 42 and controller
100.The water inlet pipe 20 is provided with the water inlet 21 in the water tank 10；The outlet pipe 30, which is provided with, is located at the water tank 10
The interior delivery port 31 for being used to export hot water in water tank 10.First temperature sensor 51 is used to detect at the water inlet 21
Water temperature, for first electric heating tube 41 at the water inlet 21, the first electric heating tube 41 is descending heating tube.It is described
Second temperature sensor 52 is used to detect the water temperature in the water tank 10.Second electric heating tube 42 is located at the delivery port 31
Place, the second electric heating tube 42 is upper submersible heating tube.On the outlet pipe 30, the flow passes the flow sensor 70
Sensor 70 is for detecting whether there is water output.The flow sensor 70, first temperature sensor 51, the second temperature
Sensor 52, first electric heating tube 41 and second electric heating tube 42 are electrically connected with the controller 100.Electricity
Property connection can be wired connection or wireless connection.
The operation principle of above-mentioned water heater is illustrated below：The first electrical heating is provided with the water inlet 21 of the water heater
Pipe 41, the second electric heating tube 42 is provided with delivery port 31.When flow sensor 70 detects that outlet pipe 30 has flow, Ye Jibiao
Bright user now (can intake just in bath water according to the first temperature detection value that the first temperature sensor 51 detects
Temperature), to judge whether to need to open the first electric heating tube 41.When inflow temperature is less than the first temperature predetermined value (such as 25 DEG C)
When, open the first electric heating tube 41, enable the cold water wink speed heating at water inlet 21, while heat whole box water, it is on the contrary then need not
Open the first electric heating tube 41.Meanwhile then second temperature detected value (the i.e. whole water that is detected by second temperature sensor 52
Water temperature inside case 10), to judge whether to need to open the second electric heating tube 42.When the water temperature inside of water tank 10 is less than second temperature
Predetermined value (such as 40 DEG C), then open the second electric heating tube 42, the water temperature at delivery port 31 is increased rapidly, reach instantaneous bathing
It is required that on the contrary then the second electric heating tube 42 need not be opened.First temperature sensor 51, the second temperature sensor 52
(thermometric blind pipe), first electric heating tube 41, second electric heating tube 42 and the flow sensor 70 pass through control
Device 100 processed logically controls corresponding action, so as to realize rapid automatic heating function.It follows that the present invention is in the winter time
In the case that originally water temperature is relatively low, the low-temperature cold water at water inlet 21 can also quickly add by the first electric heating tube 41
Heat, so as to ensure that the second electric heating tube 42 can heat the water to bathing requirement in a short time.The present invention is in any season
Quick output hot water, greatly reduces the stand-by period, realizes wink hot wash function.
In the present embodiment, photovoltaic heating tube 43 (photovoltaic heating tube) is also included please continue to refer to Fig. 1, the water heater.
The photovoltaic heating tube 43 is used to be connected with photovoltaic electrification component.The photovoltaic heating tube 43 realizes water in the water tank 10
Case 10 is preheated, and the photovoltaic heating tube 43 is electrically connected with the controller 100.Controller 100 of the present invention can pass through
The photovoltaic voltage information for detecting photovoltaic electrification component controls the break-make of photovoltaic electric and civil power, so as to realizing alternating current and direct current
Intelligence it is complementary, civil power is mainly used in the first electric heating tube 41 and the second electric heating tube 42 works.Reach in photovoltaic voltage information
During voltage predetermined value (such as 8VDC), the water that photovoltaic heating tube 43 is come in heating water tank 10 can be connected, photovoltaic heating tube 43 mainly may be used
Play the effect of preheating in water tank 10, to lay in enough hot water in advance, during guarantee water hot water can enough supplies in time,
Avoid waiting for.For example, when the water temperature of photovoltaic preheating reaches the first preheating requirement value (such as 28 DEG C), then the first electricity can need not be connected
Heating tube 41 is preheated；Conversely, then auxiliary preheating can be carried out by the first electric heating tube 41.When the water temperature of photovoltaic preheating has surpassed
When crossing second temperature predetermined value (such as 40 DEG C), then hot water can be directly exported, be heated without connecting the second electric heating tube 42 again；
Conversely, then heating water outlet can be carried out by the second electric heating tube 42, realize photovoltaic heating and electricity auxiliary heating while carry out.Cause
This, can control auxiliary heater (including the first electric heating tube 41 and the second electricity by detecting water temperature or remote control information
Heating tube 42) energization and power-off, realize wink hot wash function, at the same reach save power consumption, save the energy effect.Need to illustrate
, from the point of view of preferentially photoelectricity is used, on the premise of it disclosure satisfy that bathing requirement, and the water temperature in water tank 10
Before not reaching highest limit value (such as 90 DEG C), as far as possible using photoelectricity heating water tank 10, civil power is cut off.
Further, first electric heating tube 41 is electrically connected by the first relay 61 with city, second electrical heating
Pipe 42 is electrically connected by the second relay 62 with city, and the photovoltaic heating tube 43 passes through the 3rd relay 63 and the photovoltaic generation
Component connects.First relay 61, second relay 62 and the 3rd relay 63 with the controller
100 are electrically connected with.Controller 100 only needs to control the first relay 61, the second relay 62 and the 3rd relay 63 to divide
Do not control the energization and power-off of the first electric heating tube 41, the second electric heating tube 42 and photovoltaic heating tube 43, the first relay 61,
The setting of second relay 62 and the 3rd relay 63 causes the first electric heating tube 41, the second electric heating tube 42 and photovoltaic heating
The control of pipe 43 is more convenient, accurate.
Alternatively, first electric heating tube 41 and second electric heating tube 42 are double helix loop configuration, described
First electric heating tube 41 is sheathed on the water inlet pipe 20 and set close to the water inlet 21,42 sets of second electric heating tube
Set on the outlet pipe 30 and close to the delivery port 31.First electric heating tube 41 of loop configuration and the second electrical heating
Pipe 42 is respectively used to the water at heating water inlet 21 and delivery port 31 in the short time so that water temperature wink speed reach requirement.
It should be noted that the water tank 10 includes shell 11, inner bag 13 and heat-insulation layer 12, the heat-insulation layer 12 is located at institute
State between shell 11 and the inner bag 13, first electric heating tube 41, second electric heating tube 42, the photovoltaic heating tube
43rd, first temperature sensor 51, the second temperature sensor 52 are respectively positioned in the inner bag 13." water as described herein
In case 10 " refer to " in inner bag 13 ".In addition, in the present embodiment, present invention additionally comprises the magnesium in the water tank 10
Rod 80, the water tank 10 are provided with sewage draining exit 14.The magnesium rod 80 is set close to the sewage draining exit 14, can prevent the inner bag of water tank 10
13 are corroded, and extend the service life of inner bag 13.
Please continue to refer to Fig. 1, the water tank 10 is provided with described in the first import and export stretched out for the water inlet pipe 20 and confession
The second import and export that outlet pipe 30 stretches out, anti-electricity wall 90 is equipped with the first import and export and at the second import and export.It is anti-
Electric wall 90 can obstruct the issuable electric leakage of water heater itself, can also obstruct because ground wire electrification or water pipe it is powered and to shower
The security threat that person brings, to fully ensure that bathing safety.
As shown in Fig. 2 one embodiment of the invention additionally provides the control method about above-mentioned water heater, specifically include with
Lower step：
S100：The flow detection value of flow sensor 70 is obtained, and judges whether the flow detection value is more than zero, when big
When zero, then into step S200 and step S300, wherein, step S200 and step S300 are performed simultaneously；
S200：Judge whether the first temperature detection value of the first temperature sensor 51 is more than or equal to the first temperature predetermined value
(such as 25 DEG C), first temperature sensor 51 is used for the water temperature for detecting the water inlet 21 in the water tank 10, if being more than or waiting
Then enter step 210 in the first temperature predetermined value, it is on the contrary then enter step 220；
S210：The first electric heating tube 41 closed at the water inlet 21, i.e. the first relay 61 power off；
S220：The first electric heating tube 41 connected at the water inlet 21, i.e. the first relay 61 are powered；
S300：Judge whether the second temperature detected value of second temperature sensor 52 is more than or equal to second temperature predetermined value
(such as 40 DEG C), the second temperature sensor 52 are used for the water temperature for detecting the inside of water tank 10, and the second temperature predetermined value is big
It is on the contrary then enter if more than or equal to entering step S310 if the second temperature predetermined value in the first temperature predetermined value
Step S320；
S310：The second electric heating tube 42 closed at the delivery port 31 in the water tank 10, i.e. the second relay 62
Power-off, water temperature over-high is prevented, ensure the security of wink hot wash；
S320：The second electric heating tube 42 connected at the delivery port 31 in the water tank 10, i.e. the second relay 62
It is powered.
The control method of water heater described in embodiment of the present invention beneficial effect caused by compared with background technology：This hair
It is bright in the case that originally water temperature is relatively low in the winter time, the low-temperature cold water at water inlet 21 can also be carried out by the first electric heating tube 41
Quick heating, so as to ensure that the second electric heating tube 42 can heat the water to bathing requirement in a short time.The present invention is in any season
Section can quickly export hot water, greatly reduce the stand-by period, realize wink hot wash function.
Further, since the water temperature in water tank 10 will be maintained at more than certain temperature (28 DEG C) at the moment, namely the moment is maintained at
Pre- Warm status, it can ensure to open tap or the existing hot water output of gondola water faucet.Therefore, as shown in figure 3, in another embodiment,
When no bath water exports, namely when water heater is in standby, namely the flow detection value described in the step S100
During equal to zero, then judge whether to need to heat the water in water tank 10 so as to reach pre- Warm status by step S400
(≥28℃).Step S400 is specific as follows：
S400：Judge whether the second temperature detected value of the second temperature sensor 52 is more than or equal to the first preheating and wants
Evaluation (such as 28 DEG C), second temperature predetermined value described in the first preheating requirement value ﹤ described in the first temperature predetermined value ﹤, if being more than
Or then enter step S410 equal to the first preheating requirement value, it is on the contrary then enter step S420；
S410：First electric heating tube 41 is closed, i.e. the first relay 61 powers off；
S420：Connect first electric heating tube 41 to be used to preheat the water in water tank 10, i.e. the first relay 61
It is powered, and enters step S421；
S421：Judge whether the second temperature detected value of the second temperature sensor 52 is more than or equal to the second preheating and wants
Evaluation (such as 30 DEG C), described in the first preheating requirement value≤the second preheating requirement value ﹤ described in the first temperature predetermined value ﹤
Two temperature predetermined values, it is on the contrary then enter step S420 if more than or equal to entering step S410 if the second preheating requirement value.
Alternatively, the first preheating requirement value (such as 28 DEG C) the second preheating requirements of ﹤ value (such as 30 DEG C), to ensure pre-
During hot stepwise heating, higher temperature can be heated to, to prevent from causing error because temperature detection is not sensitive and accurate enough,
Heating-up temperature is caused to be less than the phenomenon of the first preheating requirement value, so as to be further ensured that wink hot function.
In addition, please continue to refer to Fig. 3, it is further comprising the steps of before step S100：
S500：Judge whether the voltage detecting value of photovoltaic electrification component is more than or equal to voltage predetermined value (such as 8VDC), if
Then enter step S510 more than or equal to the voltage predetermined value, it is on the contrary then enter step S520；
S510：The photovoltaic heating tube 43 connected in the water tank 10, i.e. the 3rd relay 63 is powered, and enters step
S100；
S520：The photovoltaic heating tube 43 closed in the water tank 10, i.e. the 3rd relay 63 powers off, and enters step
S100。
Photovoltaic heating tube 43 mainly plays a part of preheating, i.e., in the case where there is sunlight, starts photovoltaic heating tube 43,
The water in water tank 10 is set to heat up.When sun intensity is larger, second temperature sensor 52 detects that water temperature can reach in water tank 10
During the first preheating requirement value (28 DEG C), then it can need not connect the first electric heating tube 41 and be preheated；It is on the contrary then by first electricity plus
Heat pipe 41 is preheated to 30 DEG C, realizes photovoltaic heating and city's electricity auxiliary heating while carries out.Further, in photovoltaic heating tube 43
Under effect, when second temperature sensor 52 detects that water temperature further reaches bathing requirement (such as 40 DEG C) in water tank 10, then may be used
The second electric heating tube 42 need not be connected to carry out washing heating wink；It is on the contrary then need to connect the second electric heating tube 42 and instantaneously heated, the
Two electric heating tubes 42 general are just opened in the case where there is flow.When no sun or sun intensity very little, then can only
Reach preheating by auxiliary electrical heater pipe and wash heating requirements wink, such as preheated by the first electric heating tube 41, the second electrical heating
Pipe 42 is instantaneously heated.The present invention has reached the effect saved power consumption, save the energy while wink hot wash function is realized.
It should be noted that herein referred " on " the first electric heating tube 41, the second electric heating tube 42, photovoltaic heating tube
43 refer to the first relay 61, the second relay 62 and the 3rd relay 63 " energization "；On the contrary, " closing " first electricity adds
Heat pipe 41, the second electric heating tube 42, photovoltaic heating tube 43 refer to the first relay 61, the second relay 62 and the 3rd relay
Device 63 " power-off ".In addition, in order to clear interpretation the present invention, text in be illustrated using concrete numerical value, such as 25 DEG C, 28 DEG C, 30
DEG C, 40 DEG C, 8VDC etc., these specific numerical value are intended to illustrate, and can not turn into the use limitation of the present invention.
In summary, the present invention be able to will also be entered by the first electric heating tube 41 in the case that originally water temperature is relatively low in the winter time
Low-temperature cold water at the mouth of a river 21 is quickly heated, and is washed so as to ensure that the second electric heating tube 42 can heat the water in a short time
Bath requires.The present invention can quickly export hot water in any season, greatly reduce the stand-by period, realize wink hot wash function.This
Invention can control the break-make of photovoltaic electric and civil power by detecting the photovoltaic voltage information of photovoltaic electrification component, so as to realize exchange
The intelligence of electricity and direct current is complementary, the effect can reach while realizing wink hot wash function and save power consumption, saved the energy.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.
Claims (10)
1. a kind of water heater, it is characterised in that including water tank (10), water inlet pipe (20), outlet pipe (30), flow sensor
(70), the first temperature sensor (51), second temperature sensor (52), the first electric heating tube (41), the second electric heating tube (42)
With controller (100), the water inlet pipe (20) is provided with the water inlet (21) in the water tank (10), the outlet pipe (30)
Provided with the delivery port (31) in the water tank (10), first temperature sensor (51) is used to detect the water inlet
(21) water temperature at place, first electric heating tube (41) are located at the water inlet (21) place, the second temperature sensor (52)
For detecting the water temperature in the water tank (10), second electric heating tube (42) is located at the delivery port (31) place, the stream
Quantity sensor (70) is on the outlet pipe (30), first temperature sensor (51), the second temperature sensor
(52), first electric heating tube (41), second electric heating tube (42) and the flow sensor (70) with it is described
Controller (100) is electrically connected with.
2. water heater according to claim 1, it is characterised in that also including photovoltaic heating tube (43), the photovoltaic heating
Pipe (43) is used to be connected with photovoltaic electrification component, and the photovoltaic heating tube (43) is in the water tank (10), and the photovoltaic
Heating tube (43) is electrically connected with the controller (100).
3. water heater according to claim 2, it is characterised in that first electric heating tube (41) passes through the first relay
(61) electrically connected with city, second electric heating tube (42) is electrically connected by the second relay (62) with city, the photovoltaic heating
Pipe (43) be connected by the 3rd relay (63) with the photovoltaic electrification component, first relay (61), described second after
Electrical equipment (62) and the 3rd relay (63) are electrically connected with the controller (100).
4. water heater according to any one of claim 1 to 3, it is characterised in that first electric heating tube (41) and
Second electric heating tube (42) is loop configuration, first electric heating tube (41) be sheathed on the water inlet pipe (20) and
Set close to the water inlet (21), second electric heating tube (42) is sheathed on the outlet pipe (30) and gone out described in
The mouth of a river (31) is set.
5. water heater according to any one of claim 1 to 3, it is characterised in that also include being located at the water tank (10)
Interior magnesium rod (80), the water tank (10) are provided with sewage draining exit (14), and the magnesium rod (80) is set close to the sewage draining exit (14).
6. water heater according to any one of claim 1 to 3, it is characterised in that the water tank (10) is provided with described in confession
The first import and export and the second import and export for the outlet pipe (30) stretching that water inlet pipe (20) stretches out, the first import and export
Anti-electricity wall (90) is equipped with place and the second import and export.
7. a kind of control method of water heater, it is characterised in that comprise the following steps：
S100：The flow detection value of flow sensor (70) is obtained, when the flow detection value is more than zero, into step S200
With step S300, wherein, step S200 and step S300 are performed simultaneously；
S200：Judge whether the first temperature detection value of the first temperature sensor (51) is more than or equal to the first temperature predetermined value,
First temperature sensor (51) is used for the water temperature for detecting the water inlet (21) in the water tank (10), if being more than or equal to institute
State the first temperature predetermined value and then enter step 210, it is on the contrary then enter step 220；
S210：Close the relay switch K1 (61) of the electric heating tube of control first (41) positioned at the water inlet (21) place；
S220：Connect the relay switch K1 (61) of the electric heating tube of control first (41) positioned at the water inlet (21) place；
S300：Judge whether the second temperature detected value of second temperature sensor (52) is more than or equal to second temperature predetermined value,
The second temperature sensor (52) is used for the water temperature for detecting the inside of water tank (10), and the second temperature predetermined value is more than described
First temperature predetermined value, it is on the contrary then enter step if more than or equal to entering step S310 if the second temperature predetermined value
S320；
S310：The relay of the electric heating tube of control second (42) at delivery port (31) place closed in the water tank (10) is opened
Close K2 (62)；
S320：The relay of the electric heating tube of control second (42) at delivery port (31) place connected in the water tank (10) is opened
Close K2 (62).
8. the control method of water heater according to claim 7, it is characterised in that in the step S100, when described
When flow detection value is equal to zero, then into step S400；
S400：Judge whether the second temperature detected value of the second temperature sensor (52) is more than or equal to the first preheating requirement
Value, second temperature predetermined value described in the first preheating requirement value ﹤ described in the first temperature predetermined value ﹤, if more than or equal to described
First preheating requirement value then enters step S410, on the contrary then enter step S420；
S410：Close the relay switch K1 (61) of the described electric heating tube of control first (41)；
S420：Connect first electric heating tube (41) to be used to preheat the water in water tank (10), and enter step S421；
S421：Judge whether the second temperature detected value of the second temperature sensor (52) is more than or equal to the second preheating requirement
Value, the first preheating requirement value≤second temperature described in the second preheating requirement value ﹤ makes a reservation for described in the first temperature predetermined value ﹤
Value, it is on the contrary then enter step S420 if more than or equal to entering step S410 if the second preheating requirement value.
9. the control method of water heater according to claim 8, it is characterised in that the first preheating requirement value ﹤ second
Preheating requirement value.
10. the control method of the water heater according to any one of claim 7 to 9, it is characterised in that step S100 it
It is preceding further comprising the steps of：
S500：Judge whether the voltage detecting value of photovoltaic electrification component is more than or equal to voltage predetermined value, if being more than or equal to institute
State voltage predetermined value and then enter step S510, it is on the contrary then enter step S520；
S510：The relay switch K3 (63) for the control photovoltaic heating tube (43) connected in the water tank (10), and
Into step S100；
S520：The relay switch K3 (63) for the control photovoltaic heating tube (43) closed in the water tank (10), and
Into step S100.
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| CN201711016392.0A CN107606780B (en) | 2017-10-25 | 2017-10-25 | Water heater and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711016392.0A CN107606780B (en) | 2017-10-25 | 2017-10-25 | Water heater and control method thereof |
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| CN108361972A (en) * | 2018-05-22 | 2018-08-03 | 珠海格力电器股份有限公司 | Water heater and have its hot-water heating system |
| CN108731255A (en) * | 2018-06-29 | 2018-11-02 | 池州市德聚软件开发有限公司 | A kind of safe electric heater |
| CN110160258A (en) * | 2019-05-28 | 2019-08-23 | 广东万博电气有限公司 | A kind of hose type anti-electricity wall and its hot water facility |
| CN110762856A (en) * | 2019-11-09 | 2020-02-07 | 山东光百特光能科技有限公司 | Photon energy and mains supply alternating current two-in-one dual-energy water heater |
| CN110848968A (en) * | 2018-08-20 | 2020-02-28 | 青岛经济技术开发区海尔热水器有限公司 | Water heater and control method thereof |
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| CN115218478A (en) * | 2021-04-21 | 2022-10-21 | 广东万和电气有限公司 | Electric water heater and working method thereof |
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