CN110425754A - A kind of circulation preheating supercharge control system and its control method - Google Patents
A kind of circulation preheating supercharge control system and its control method Download PDFInfo
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- CN110425754A CN110425754A CN201910752289.5A CN201910752289A CN110425754A CN 110425754 A CN110425754 A CN 110425754A CN 201910752289 A CN201910752289 A CN 201910752289A CN 110425754 A CN110425754 A CN 110425754A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/12—Arrangements for connecting heaters to circulation pipes
- F24H9/13—Arrangements for connecting heaters to circulation pipes for water heaters
- F24H9/139—Continuous flow heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
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- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
Abstract
The present invention provides a kind of circulation preheating supercharge control system, including water heater, the circuit system of the water circuit system and respectively water heater and water circuit system offer electric energy that are connect with water heater, water circuit system includes cold water pipe, hot-water line and connect simultaneously cold water pipe and hot-water line at least one with water spot, the water outlet side of hot-water line connection water heater, cold water pipe one end connects external water source, the other end bifurcates, the first branch connects water feeding of heater side, second branch connection water spot, wherein, the external control module for being used to control the water flow in the hot-water line and recycle preheating that both ends are respectively communicated with cold water pipe and hot-water line is equipped at distalmost end water spot, water feeding of heater side is equipped with water pump.The present invention also provides the control methods of above-mentioned circulation preheating supercharge control system.The present invention can be realized the water only preheated in hot-water line, and domestic water in warm is avoided to clash with circulation preheating；It can also realize water heater while have both circulation preheating and function of increasing pressure.
Description
Technical field
The present invention relates to gas heater technical field, more particularly, to a kind of circulation preheat supercharge control system and
Its control method.
Background technique
As the improvement of people's living standards, circulation preheated fuel gas water heater enters huge numbers of families, however recycle preheating combustion
There are many defects in family's use process for gas water heater, especially for more universal no return pipe user, although logical
It crosses and recycles pre- heat function and realize the function of rapid hot water output, but due to there is no return water in no return pipe user pipe-line system
Pipe, only cold water pipe and hot-water line, therefore return pipe can only be done using cold water pipe in circulation warm, lead to warm
Water in middle cold water pipe is also preheated simultaneously, and domestic water conflicts frequent occurrence with circulation preheating in warm, influences to use
The daily life water at family；Meanwhile in order to improve bathing experience, big water washing bath has become a kind of trend, forces needs current
It recycles and further integrates function of increasing pressure on the basis of pre- heat function, to realize the purpose of a tractor serves several purposes, therefore study and invent
A set of completely new circulation preheating supercharge control system has become gas heater industry urgent problem.
Summary of the invention
The present invention is in order to overcome existing no return pipe circulation preheated fuel gas water heater that can only utilize in circulation warm
Cold water pipe does return pipe, leads to the water in warm in cold water pipe also while being preheated, and in warm domestic water with
Circulation preheating conflicts frequent occurrence, influences the defect of user's daily life water, and the purpose in order to realize a tractor serves several purposes, mentions
Supercharge control system and its control method are preheated for a kind of circulation.The configuration of the present invention is simple, it is easy to use, it can be realized no return water
Pipe water circuit system is recycled without the water in preheating cold water pipe in warm, and only the water in hot-water line is preheated, and is saved pre-
Hot time and combustion gas；It can also realize no return pipe water circuit system while have both circulation preheating and function of increasing pressure.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of circulation preheating supercharge control system, packet
It includes water heater, the water circuit system connecting with the water heater and is connect respectively with the water heater and water circuit system and be described
Water heater and water circuit system provide the circuit system of electric energy, and the water circuit system includes cold water pipe, hot-water line and connects simultaneously
At least one of the cold water pipe and hot-water line water spot, described hot-water line one end connects the water outlet side of the water heater, another
End connection is described to use water spot, and described cold water pipe one end connects external water source, and the other end bifurcates, and the first branch connects the heat
Water heater inlet side, second branch connection is described to use water spot, wherein at least one described water heater described in distance in water spot most
It is remote that with external control module is equipped at water spot, the external control module both ends are respectively communicated with the cold water pipe and hot-water line,
The water that external control module is used to control in the hot-water line carries out circulation preheating, and the water feeding of heater side is equipped with water pump, institute
It states and is equipped with master controller inside water heater, the external control module and the master controller communicate to connect, water heater and outside
The movement of control module is uniformly controlled by master controller.In this way, water heater, hot-water line, external control module and cold water pipe
It is formed a circulation line, is can be realized according to actual needs by external control module to open and close the circulation pipe
Road, and the water flow temperature at external control module can also be detected.When user is not when with water spot water, outside controls mould
Block can open the circulation line, and water heater is allowed to preheat the water flow in hot-water line, in this way when user opens at water spot
Tap using can quickly obtain hot water when hot water, greatly shorten out the time of hot water；Heat is being used with water spot simultaneously
When water, water heater can star the function of increasing pressure of water pump, can increase the water yield with water spot, improve bath comfort.And work as
In warm, for user when with water spot water, external control module can close the circulation line, stop preheating, effectively
Avoid the problem of domestic water and circulation preheating clash in warm.In addition, since external control module is located at most
At the water spot of distal end, when detecting that the water flow at external control module reaches preheating temperature, the water flow in entire hot-water line is just
It is substantially accomplished preheating temperature, the circulation line is closed at this time just and can be avoided preheated water flow and enter cold water pipe, by
In water heater warm, water flow is smaller, and warm is cracking, so the water flow in entire hot-water line
Reach enter before preheating temperature the water flow that the temperature of cold water pipe is risen be also it is seldom, to the water in entire cold water pipe
Flowing temperature influences less.
Further, the external control module includes peripheral control unit, the first temperature sensor, the first water flow sensing
Device and water solenoid valve, first temperature sensor, the first water flow sensor and water solenoid valve are connected on a pipeline, the
The downstream of the first temperature sensor, the water solenoid valve, the first temperature sensor and the first water is arranged in one water flow sensor
Flow sensor is connect with the peripheral control unit respectively, and the peripheral control unit and the master controller communicate to connect.It is external
Communication connection between controller and master controller can be realized by technologies such as power carrier, WiFi or bluetooths.Check valve
It can ensure that the water (flow) direction in circulation line is to flow to cold water pipe by hot-water line always；Water solenoid valve is initially in off state,
It is powered i.e. openable, the opening and closing of water solenoid valve are controlled by master controller by peripheral control unit；First temperature
Sensor and the first water flow sensor are respectively used to the temperature and water flow of water flow in detection external control module, and can will examine
Measured data is transferred to peripheral control unit, these detection datas are further transferred to master controller by peripheral control unit.
Further, be additionally provided with inside the water heater along water (flow) direction be sequentially connected the water inlet pipe of setting, heat exchanger and
Outlet pipe has set gradually the water pump and the second water flow sensor, the outlet pipe along water (flow) direction on the water inlet pipe
It is equipped with second temperature sensor, the water pump and the second water flow sensor are connect with the master controller respectively.Second water
Flow sensor is able to detect the water flow into heat exchanger, and second temperature sensor is able to detect the water flow after heat exchanger heats
Temperature, the data after detection are transferred to master controller.
Further, the water heater is equipped with display operating panel, the display operating panel and the master controller
Connection.Display operating panel be equipped with display, on & off switch, preheating function button, function of increasing pressure key, temperature increase key and
Temperature reduces key, and the opening and closing of water heater can be carried out by display operating panel, can be preheated and be pressurized function
The selection of energy, can also adjust default leaving water temperature etc., display can show the information such as default leaving water temperature.
Further, the water feeding of heater side is equipped with water inlet tap, and described water inlet tap one end connects the water inlet pipe, another
End connects the first branch of the cold water pipe；The water outlet of water heater side is equipped with faucet, described in the connection of described faucet one end
Outlet pipe, the other end connect the hot-water line.
Further, the circuit system includes being connected with external power source household socket, and household socket passes through household electric
Line is connect with external power supply, and the water heater and external control module pass through power supply line respectively and connect with the household socket.
Further, described respectively includes cold water end and hot water end with water spot, and the cold water end connects the cold water pipe, institute
It states hot water end and connects the hot-water line.
The present invention also provides the control method of above-mentioned circulation preheating supercharge control system, circulation preheating pressurization control of the invention
System processed includes three kinds of operating modes at work, and control method corresponding with three kinds of operating modes is as follows:
A kind of control method of circulation preheating supercharge control system, wherein include the following steps:
S11. the on & off switch on display operating panel is opened, pre- heat function is selected by display operating panel, and by aobvious
Show that heating key and the cooling key on operation panel adjust default leaving water temperature；
S12. master controller is by reading the first temperature sensor, the first water flow sensor and the second water flow sensor
Detection numerical value judge whether water heater reaches pipeline start up by preheating condition, so-called pipeline start up by preheating condition, that is, user is not with water spot
It turns on the tap using hot water, and the water flow temperature in hot-water line is lower than target preheating temperature, the water flow temperature in hot-water line passes through
The detection numerical value of first temperature sensor can know whether user turns on the tap using hot water with water spot by comparing first
The detection numerical value of water flow sensor and the second water flow sensor can be known；After reaching pipeline start up by preheating condition, into step
Rapid S13；When not reaching pipeline start up by preheating condition, then water solenoid valve keeps initial closed state, and entire control system does not execute
Any operation；
S13. master controller executes preheating program, and water solenoid valve is opened, and water pump is started to work, water heater, hot-water line, outside
Water in the circulation line of control module and cold water pipe composition flows in circulation line, Water heater igniting preheating, when outside is controlled
The water flow temperature T that the first temperature sensor detects in molding block reaches corresponding with the default leaving water temperature set in step S11
When preheating temperature, water pump stops working, and water heater stops preheating, and water solenoid valve, which resets, closes.Default leaving water temperature with it is corresponding
Preheating temperature can be consistent, and be also possible to corresponding preheating temperature and be lower than default leaving water temperature, common preheating temperature choosing
It is selected as 45 DEG C.
Further, in the step S13, specifically comprise the following steps:
S131. master controller executes preheating program, and water solenoid valve is opened, and water pump is started to work, water heater, hot-water line, outer
Water in the circulation line of portion's control module and cold water pipe composition flows in circulation line, at this point, the water temperature in circulation line
For t1, water flow q1；
S132. Water heater igniting preheats, when the water flow temperature of the second temperature sensor detection on the outlet pipe of water heater
When T' reaches t2, the water flow in circulation line increases to q2, wherein t2 is greater than t1, and t2 can choose as the 5-10 higher than t1
DEG C, for example t1 is 20 DEG C, then it is 25 DEG C that t1, which can choose,；
S133. water heater persistently preheats, when the water flow temperature T that the first temperature sensor detects in external control module reaches
When preheating temperature t3 corresponding with the default leaving water temperature set in step S11 is 1-2 DEG C low, the water flow in circulation line is reduced
To q3, wherein t3 is greater than t2, and q3 can be identical as q1, can also be different；
S134. it is set in step S11 when the water flow temperature T that the first temperature sensor detects in external control module reaches
When the corresponding preheating temperature t3 of default leaving water temperature, water pump stops working, and water heater stops preheating, and water solenoid valve, which resets, closes.
In this way, when master controller executes preheating program, water flow in circulation line is first small, it is rear it is big, then become smaller again,
The preheating temperature for enabling to the water flow in hot-water line to reach is more accurate, and the preheating of water heater is more efficient.In circulation line
Changing for water flow can be realized by changing revolving speed and the power of water pump, can also be come Set scale valve on circulation line
It realizes.In addition, since the water flow in circulation line circulates in warm, so in the moment for stopping preheating,
Water flow still has certain dash；Therefore, the water flow temperature T that the first temperature sensor detects in external control module reaches
When the slightly lower temperature of the corresponding preheating temperature of default leaving water temperature than being set in step S11, circular flow is first reduced, waits first
When the water flow temperature T of temperature sensor detection reaches the default leaving water temperature set in step S11 corresponding preheating temperature, then allow
Water pump stops working, and water heater stops preheating, and water solenoid valve, which resets, closes, rigid in larger circular flow this makes it possible to avoid
When just stopping water pump when detecting corresponding preheating temperature well and closing water solenoid valve, due to water flow dash caused by hot water
Partially reach appearance the problem of the water flow of preheating temperature enters cold water pipe in pipe.
Further, it in the step S13, recycles in warm, the water flow of the first water flow sensor detection is
Q2, the water flow of the second water flow sensor detection are Q1, if user when with water spot using hot water, theoretically,
Q1=Q2, during actual use Q1 still can be slightly larger than Q2, if user opens with water spot using hot water, the first water flow is passed
The water flow Q2 of sensor is bound to reduce, and the water flow Q1 of the second water flow sensor then will increase, Q1-Q2=Δ Q, as Δ Q
When more than or equal to a certain pre-set value, master controller then judges to recycle user in warm and is using hot water, therefore main control
Device makes water pump stop working, and reduces water heater power consumption, and water heater is provided for user into common bathing heating mode and defended at this time
Water for shower；When Δ Q be less than the pre-set value, and the first temperature sensor detection water flow temperature T be less than the preheating temperature
When, preheating is continued cycling through until the water flow temperature T of the first temperature sensor detection is more than or equal to the preheating temperature.Δ Q's is pre-
Setting value can be determined by experiment in circulating warm, for example, Δ Q pre-set value be 1L/min, when Δ Q >=
Then judge that recycling user in warm is using hot water when 1L/min.
A kind of control method of circulation preheating supercharge control system, wherein include the following steps:
S21. the on & off switch on display operating panel is opened, function of increasing pressure is selected by display operating panel, and by aobvious
Show that heating key and the cooling key on operation panel adjust default leaving water temperature；
S22. master controller makes water solenoid valve no power, maintains initial closed state, and user is opening the fire hose with water spot
Head hot water end, when the water flow Q1 of the second water flow sensor detection is more than or equal to a certain pre-set value, usually this is presetting
Value is selected as 3L/min, and Water heater igniting burning records water flow Q1 at this time；Subsequent water pump is started to work, the second water flow
The water flow of sensor detection is increased to Q1', and due to Q1' >=Q1, user, which opens, uses hot water bathing with water spot tap
When, water flow is increased after starting water pump pressurization, improves the bath comfort of user, the ginseng such as pump capacity, lift of selection
Number is bigger, and hot water effluent's amount of tap is also bigger after water pump starting pressurization.
S23. after the complete closing tap of user's bathing, since water solenoid valve is initial closed state, even if water pump is working,
But the water in the circulation line that water heater, hot-water line, external control module and cold water pipe form cannot flow, i.e. the second water flow
The water flow Q1=0 of sensor detection, then water pump stops working, and water heater also stops heating, into standby mode.
A kind of control method of circulation preheating supercharge control system, wherein include the following steps:
S31. the on & off switch on display operating panel is opened, preheats and be pressurized function by display operating panel simultaneous selection
Can, and pass through the heating key and the default leaving water temperature of cooling key adjusting on display operating panel；
S32. master controller judges whether user reaching pipeline start up by preheating using bathroom hot water and water heater respectively
Condition, if user does not use bathroom hot water, and water heater not up to recycles pipeline start up by preheating condition, and water heater is in standby at this time
State；If user does not use bathroom hot water, but water heater has reached circulation pipeline start up by preheating condition, then enters step S33；If with
Family is then entering step S34 without judging whether water heater reaches pipeline start up by preheating condition using bathroom hot water；
S33. master controller executes preheating program, and water solenoid valve is opened, and water pump is started to work, water heater, hot-water line, outside
Water in the circulation line of control module and cold water pipe composition flows in circulation line, Water heater igniting preheating, when outside is controlled
The water flow temperature T that the first temperature sensor detects in molding block reaches corresponding with the default leaving water temperature set in step S11
When preheating temperature, water pump stops working, and water heater stops preheating, and water solenoid valve, which resets, closes.The working principle of the step with it is upper
It states and only selects working principle when pre- heat function identical.
S34. master controller makes water solenoid valve no power, maintains initial closed state, and user is opening the fire hose with water spot
Head hot water end, when the water flow Q1 of the second water flow sensor detection is more than or equal to a certain pre-set value, Water heater igniting combustion
It burns, records water flow Q1 at this time；Subsequent water pump is started to work, and the water flow of the second water flow sensor detection is increased to Q1',
Improve the bath comfort of user；After the complete closing tap of user's bathing, water pump stops working, and water heater also stops heating, into
Enter standby mode.The working principle of the step selects working principle when function of increasing pressure identical with above-mentioned.
Further, in the step S33, specifically comprise the following steps:
S331. master controller executes preheating program, and water solenoid valve is opened, and water pump is started to work, water heater, hot-water line, outer
Water in the circulation line of portion's control module and cold water pipe composition flows in circulation line, at this point, the water temperature in circulation line
For t1, water flow q1；
S332. Water heater igniting preheats, when the water flow temperature T that the first temperature sensor detects in external control module reaches
When t2, the water flow in circulation line increases to q2, wherein t2 is greater than t1；
S333. water heater persistently preheats, when the water flow temperature T ratio step that the first temperature sensor detects in external control module
When the corresponding preheating temperature t3 of default leaving water temperature set in rapid S11 is 1-2 DEG C low, the water flow in circulation line is reduced to
Q3, wherein t3 is greater than t2；
S334. it is set in step S11 when the water flow temperature T that the first temperature sensor detects in external control module reaches
When the corresponding preheating temperature t3 of default leaving water temperature, water pump stops working, and water heater stops preheating, and water solenoid valve, which resets, closes.
Compared with prior art, beneficial effects of the present invention:
The present invention is provided with external control module between the hot-water line and cold water pipe at distalmost end water spot, while in heat
Water heater inlet side is also provided with water pump, realizes water heater without return pipe water circuit system while having both circulation preheating and pressurization function
Can, that is to say, that circulation preheating with pressurization two big functions is integrated on same type simultaneously, and in complete machine operational process function it
Between do not conflict, it is no to influence the pain spot that uses of user.
The present invention is provided with external control module between the hot-water line and cold water pipe at distalmost end water spot, when outside is controlled
When molding block detects that the water flow at external control module reaches preheating temperature, the water flow in entire hot-water line is just all had reached
Preheating temperature, closes the circulation line just at this time and can be avoided preheated water flow and enter cold water pipe, and which achieves nothings
Return pipe water circuit system recycle warm in be not necessarily to preheating cold water pipe, only hot-water line is preheated, save preheating time and
Combustion gas.
The present invention is provided with the second water flow sensor on heater inleting pipe, and the is provided in external control module
One water flow sensor passes through the comparison for the water flow that the second water flow sensor and the first water flow sensor detect
Whether accurate judgement user turns on the tap with water spot using hot water in circulation warm, thus can according to need out
Preheating program is opened or stopped, the problem of domestic water and circulation preheating clash in warm is effectively prevented.
Circulation preheating supercharge control system of the invention can be in bath water and water pump pressurization completes bathing and closes use
After water spot, accurate judgement user terminates to use water, and closes water heater.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the embodiment of the present invention 1.
Fig. 2 is the process schematic illustration of the embodiment of the present invention 2.
Fig. 3 is the process schematic illustration of the embodiment of the present invention 3.
Fig. 4 is the process schematic illustration of the embodiment of the present invention 4.
In figure, 1-water heater, 2-water circuit systems, 3-circuit systems, 4-cold water pipes, 5-hot-water lines, 6-use water spot,
8-external control modules, 9-water pumps, the 10-the second water flow sensor, 11-master controllers, 12-water inlet pipes, 13-heat exchange
Device, 14-outlet pipes, 15-display operating panels, 16-water inlet taps, 17-faucets, 18-second temperature sensors, 81-
Peripheral control unit, 82-check valves, 83-water solenoid valves, the 84-the first temperature sensor, the 85-the first water flow sensor,
31-household sockets, 61-cold water ends, 62-hot water ends.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；In order to better illustrate this embodiment, attached
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable.Being given for example only property of positional relationship is described in attached drawing
Illustrate, should not be understood as the limitation to this patent.
Embodiment 1
As shown in Figure 1, a kind of circulation preheats supercharge control system, including water heater 1, the water route system connecting with water heater 1
System 2 and connect respectively with water heater 1 and water circuit system 2 and is that water heater 1 and water circuit system 2 provide the circuit system 3 of electric energy,
Water circuit system 2 include cold water pipe 4, hot-water line 5 and connect simultaneously cold water pipe 4 and hot-water line 5 at least one with water spot 6, heat
5 one end of water pipe connects the water outlet side of water heater 1, and other end connection water spot 6,4 one end of cold water pipe connects external water source, the other end
Bifurcate, the first branch connect 1 influent side of water heater, second branch connection use water spot 6, wherein at least one use water spot 6
The middle external control mould that with the water that water spot 6 at is equipped with for control hot-water line 5 in carries out circulation preheating farthest apart from water heater
Block 8,8 both ends of external control module are respectively communicated with cold water pipe 4 and hot-water line 5, and 1 influent side of water heater is equipped with water pump 9, the hot water
Master controller 11 is equipped with inside device 1, the external control module 8 is communicated to connect with the master controller 11, water heater 1 and outside
The movement of control module 8 is uniformly controlled by master controller 11.In this way, water heater 1, hot-water line 5, external control module 8, cold water
Pipe 4 is formed a circulation line, and external control module 8 opens and closes the circulation line for according to actual needs,
And the water flow temperature at external control module 8 can also be detected.When user is not when with the water of water spot 6, outside controls mould
Block 8 can open the circulation line, and water heater 1 is allowed to preheat the water flow in hot-water line 5, use water spot when user opens in this way
Tap at 6 greatly shortens out the time of hot water using can quickly obtain hot water when hot water；Made simultaneously with water spot 6
When with hot water, water heater 1 can star the function of increasing pressure of water pump 9, can increase the water yield with water spot 6, improve bath comfort
Property.And in warm, for user when with the water of water spot 6, external control module 8 can close the circulation line, stop
Preheating effectively prevents the problem of domestic water and circulation preheating clash in warm.In addition, since outside controls mould
Block 8 is located at distalmost end water spot 6, and when detecting that the water flow at external control module 8 reaches preheating temperature, preheating temperature can
1-5 DEG C lower than default leaving water temperature, the water flow in entire hot-water line 5 just all has reached preheating temperature, closes the circulation at this time
Pipeline just can be avoided preheated water flow and enter cold water pipe 4, influence on the water flow temperature in entire cold water pipe 4 smaller.
As shown in Figure 1, external control module 8 includes peripheral control unit 81, check valve 82, water solenoid valve 83, the first temperature
Sensor 84 and the first water flow sensor 85, the first temperature sensor 84, water solenoid valve 83, check valve 82 externally control mould
The direction of water flow flowing in block 8 is set gradually, and the downstream of the first temperature sensor 84 is arranged in the first water flow sensor 85,
Water solenoid valve 83, the first temperature sensor 84 and the first water flow sensor 85 are connect with peripheral control unit 81 respectively, described outer
Portion's controller 81 and the master controller 11 communicate to connect.Check valve 82 can ensure that the water (flow) direction in circulation line is always
Cold water pipe 4 is flowed to by hot-water line 5；Water solenoid valve 83 is initially in off state, be powered it is i.e. openable, the unlatching of water solenoid valve 83 and
Closing is controlled by master controller 11 by peripheral control unit 81；First temperature sensor 84 and the first water flow sensor
85 are respectively used to the temperature and water flow of water flow in detection external control module 8, and can will test data and be transferred to external control
These detection datas are further transferred to master controller 11 by device 81, peripheral control unit 81.
As shown in Figure 1, being additionally provided with water inlet pipe 12, the heat exchanger 13 for being sequentially connected setting along water (flow) direction inside water heater 1
With outlet pipe 14, water pump 9 and the second water flow sensor 10 have been set gradually along water (flow) direction on water inlet pipe 12, on outlet pipe 14
Equipped with second temperature sensor 18, water pump 9, second temperature sensor 18, the second water flow sensor 10 respectively with master controller
11 connections.Second water flow sensor 10 is able to detect the water flow into heat exchanger 13, and second temperature sensor 18 can be examined
The temperature of the water flow after the heating of heat exchanger 13 is surveyed, the data after detection are transferred to master controller 11.
As shown in Figure 1, water heater 1 is equipped with display operating panel 15, display operating panel 15 is connect with master controller 11.
Display operating panel 15 is equipped with display, on & off switch, preheating function button, function of increasing pressure key, temperature and increases key and temperature
Degree reduces key, and the opening and closing of water heater 1 can be carried out by display operating panel 15, can be preheated and be pressurized function
The selection of energy, can also adjust default leaving water temperature etc., display can show the information such as default leaving water temperature.
As shown in Figure 1,1 influent side of water heater is equipped with water inlet tap 16,16 one end of water inlet tap connects water inlet pipe 12, and the other end connects
Connect the first branch of cold water pipe 4；1 water outlet side of water heater is equipped with faucet 17, and 17 one end of faucet connects outlet pipe 14, the other end
Connect hot-water line 5.
As shown in Figure 1, circuit system 3 includes being connected with external power source household socket 31, household socket 31 passes through household
Electric wire is connect with external power supply, and water heater 1 and external control module 8 are connect by power supply line with household socket 31 respectively.
As shown in Figure 1, including respectively cold water end 61 and hot water end 62 with water spot 6, cold water end 61 connects cold water pipe 4, hot water
62 connection hot-water line 5 of end.
Embodiment 2
As shown in Fig. 2, a kind of control method of circulation preheating supercharge control system, wherein include the following steps:
S11. the on & off switch on display operating panel 15 is opened, pre- heat function is selected by display operating panel 15, and lead to
The heating key and cooling key crossed on display operating panel 15 adjust default leaving water temperature；
S12. master controller 11 judges whether water heater 1 reaches pipeline start up by preheating condition, after reaching pipeline start up by preheating condition, into
Enter step S13；When not reaching pipeline start up by preheating condition, then water solenoid valve 83 keeps initial closed state, entire control system
Any operation is not executed；
S13. master controller 11 executes preheating program, and water solenoid valve 83 is opened, and water pump 9 is started to work, water heater 1, hot water
The water in circulation line that pipe 5, external control module 8 and cold water pipe 4 form flows in circulation line, and water heater 1 is lighted a fire pre-
Heat is preset when the water flow temperature T that first temperature sensor 84 detects in external control module 8 reaches with what is set in step S11
When the corresponding preheating temperature of leaving water temperature, preheating temperature is 1-5 DEG C low than default leaving water temperature, and water pump 9 stops working, water heater
1 stops preheating, and water solenoid valve 83, which resets, closes.
In the present embodiment, in step S13, specifically comprise the following steps:
S131. master controller 11 executes preheating program, and water solenoid valve 83 is opened, and water pump 9 is started to work, water heater 1, hot water
The water in circulation line that pipe 5, cold water pipe 4 form flows in circulation line, at this point, the water temperature in circulation line is t1=20
DEG C, water flow q1；
S132. 1 combustion preheater of water heater, when the water that the second temperature sensor 18 on the outlet pipe 14 of water heater 1 detects
When stream temperature T' reaches t2=25 DEG C, the water flow in circulation line increases to q2；
S133. water heater 1 persistently preheats, as the water flow temperature T that first temperature sensor 84 detects in external control module 8
Reach the corresponding preheating temperature t3 of the default leaving water temperature set in step S11 it is 1-2 DEG C low when, the water flow drop in circulation line
As low as q3；
S134. it is set when the water flow temperature T that first temperature sensor 84 detects in external control module 8 reaches in step S11
When the corresponding preheating temperature t3 of fixed default leaving water temperature, water pump 9 stops working, and water heater 1 stops preheating, and water solenoid valve 83 is multiple
Position is closed.
It in the present embodiment, in step S13, recycles in warm, the water flow of the first water flow sensor 85 detection is
Q2, the second water flow sensor 10 detection water flow be Q1, if user with water spot 6 use hot water when, theoretically
It says, Q1=Q2, if user opens with water spot 6 using hot water, the water flow Q2 of the first water flow sensor 85 is bound to reduce,
The water flow Q1 of second water flow sensor 10 then will increase, Q1-Q2=Δ Q, when Δ Q is more than or equal to pre-set value 1L/min
When, master controller 11 then judges to recycle user in warm and is using hot water, therefore master controller 11 makes water pump 9 stop work
Make, reduce 1 power consumption of water heater, water heater 1 provides bath water into common bathing heating mode for user at this time；As Δ Q
When water flow temperature T less than pre-set value 1L/min, and the detection of the first temperature sensor 84 is less than preheating temperature t3, continue cycling through
Preheating is until the water flow temperature T of the first temperature sensor 84 detection is more than or equal to preheating temperature t3.
Embodiment 3
As shown in figure 3, a kind of control method of circulation preheating supercharge control system, wherein include the following steps:
S21. the on & off switch on display operating panel 15 is opened, function of increasing pressure is selected by display operating panel 15, and lead to
The heating key and cooling key crossed on display operating panel 15 adjust default leaving water temperature；
S22. master controller 11 makes water solenoid valve 83 maintain initial closed state, and user is opening tap heat with water spot 6
Water end (W.E.), when the water flow Q1 of the second water flow sensor 10 detection is more than or equal to pre-set value 3L/min, the igniting combustion of water heater 1
It burns, records water flow Q1 at this time；Water pump 9 is started to work after 10 seconds, and the water flow of the second water flow sensor 10 detection increases
For Q1', due to Q1' >=Q1, when user is opened with 6 tap of water spot using hot water bathing, starting water pump 9 increases after being pressurized
Water flow, improves the bath comfort of user, and the parameters such as water pump 9 flow of selection, lift are bigger, the starting pressurization of water pump 9
Hot water effluent's amount of tap is also bigger afterwards.
S23. after the complete closing tap of user's bathing, since water solenoid valve 83 is initial closed state, even if water pump 9 is in work
Make, but the water in the circulation line of water heater 1, hot-water line 5, external control module 8, cold water pipe 4 composition cannot flow, i.e., second
The water flow Q1=0 that water flow sensor 10 detects, then water pump 9 stops working, and water heater 1 also stops heating, into standby shape
State.
Embodiment 4
As shown in figure 4, a kind of control method of circulation preheating supercharge control system, wherein include the following steps:
S31. the on & off switch on display operating panel 15 is opened, is preheated and is pressurized by 15 simultaneous selection of display operating panel
Function, and pass through the heating key and the default leaving water temperature of cooling key adjusting on display operating panel 15；
S32. master controller 11 judges whether user is opening using whether bathroom hot water and water heater 1 reach preheating respectively
Dynamic condition, if user does not use bathroom hot water, and water heater 1 not up to recycles pipeline start up by preheating condition, and water heater 1 is at this time
Standby mode；If user does not use bathroom hot water, but water heater 1 has reached circulation pipeline start up by preheating condition, then enters step
S33；If user is then entering step S34 without judging whether water heater 1 reaches pipeline start up by preheating condition using bathroom hot water；
S33. master controller 11 executes preheating program, and water solenoid valve 83 is opened, and water pump 9 is started to work, water heater 1, hot water
The water in circulation line that pipe 5, external control module 8, cold water pipe 4 form flows in circulation line, and water heater 1 is lighted a fire pre-
Heat is preset when the water flow temperature T that first temperature sensor 84 detects in external control module 8 reaches with what is set in step S11
At 45 DEG C of the corresponding preheating temperature of leaving water temperature, water pump 9 stops working, and water heater 1 stops preheating, and water solenoid valve 83, which resets, to close
It closes.The working principle of the step only selects working principle when pre- heat function identical with embodiment 2.
S34. master controller 11 makes 83 no power of water solenoid valve, maintains initial closed state, and user opens with water spot 6
Tap hot water end, when the water flow Q1 of the second water flow sensor 10 detection is more than or equal to pre-set value 3L/min, hot water
1 ignition of device records water flow Q1 at this time；Subsequent water pump 9 is started to work, the water flow of the second water flow sensor 10 detection
Amount is increased to Q1', improves the bath comfort of user；After the complete closing tap of user's bathing, water pump 9 stops working, water heater 1
Also stop heating, into standby mode.Working principle when the only selection function of increasing pressure of the working principle of the step and embodiment 3
It is identical.
In the present embodiment, in step S33, specifically comprise the following steps:
S331. master controller 11 executes preheating program, and water solenoid valve 83 is opened, and water pump 9 is started to work, water heater 1, hot water
The water in circulation line that pipe 5, external control module 8, cold water pipe 4 form flows in circulation line, at this point, in circulation line
Water temperature be t1=20 DEG C, water flow q1；
S332. 1 combustion preheater of water heater, as the water flow temperature T that first temperature sensor 84 detects in external control module 8
When reaching t2=25 DEG C, the water flow in circulation line increases to q2；Q2 can be more than or equal to q1, be conducive to drop when q1 is less than q2
Peak point current when low water pump starts, is conducive to extend the service life of water pump；
S333. water heater 1 persistently preheats, as the water flow temperature T that first temperature sensor 84 detects in external control module 8
Reach the corresponding preheating temperature t3 of the default leaving water temperature set in step S11 it is 1-2 DEG C low when, the water flow drop in circulation line
As low as q3；It preheats in circulation close to when stopping, reducing water flow, preheated water flow can be reduced and enter cold water pipe 4, to whole
Water flow temperature in a cold water pipe 4 influences smaller；
S334. it is set when the water flow temperature T that first temperature sensor 84 detects in external control module 8 reaches in step S11
When the corresponding preheating temperature t3 of fixed default leaving water temperature, water pump 9 stops working, and water heater 1 stops preheating, and water solenoid valve 83 is multiple
Position is closed.
Obviously, the above embodiment of the present invention is just for the sake of clearly demonstrating examples made by the present invention, and is not
Restriction to embodiments of the present invention.For those of ordinary skill in the art, on the basis of the above description also
It can make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all
Made any modifications, equivalent replacements, and improvements etc. within the spirit and principles in the present invention should be included in right of the present invention and want
Within the protection scope asked.
Claims (10)
1. a kind of circulation preheats supercharge control system, including water heater (1), the water circuit system (2) connecting with the water heater (1)
And it is connect respectively with the water heater (1) and water circuit system (2) and provides electricity for the water heater (1) and water circuit system (2)
The circuit system (3) of energy, the water circuit system (2) include cold water pipe (4), hot-water line (5) and connect the cold water pipe simultaneously
(4) and at least one of hot-water line (5) uses water spot (6), and described hot-water line (5) one end connects the water outlet side of the water heater (1),
Other end connection is described to use water spot (6), and described cold water pipe (4) one end connects external water source, and the other end bifurcates, the first branch
The water heater (1) influent side is connected, second branch connection is described to use water spot (6), which is characterized in that at least one described use
Water heater (1) described in distance is farthest in water spot (6) is equipped with at water spot (6) for controlling the water flow in the hot-water line (5)
Carry out circulation preheating external control module (8), external control module (8) both ends be respectively communicated with the cold water pipe (4) and
Hot-water line (5), water heater (1) influent side are equipped with water pump (9), are equipped with master controller (11) inside the water heater (1), institute
External control module (8) and water pump (9) is stated to communicate to connect with the master controller (11).
2. a kind of circulation according to claim 1 preheats supercharge control system, which is characterized in that the external control module
It (8) include peripheral control unit (81), the first temperature sensor (84), the first water flow sensor (85), water solenoid valve (83), institute
The first temperature sensor (84), the first water flow sensor (85) and water solenoid valve (83) is stated to be connected on a pipeline, it is described
The downstream of first temperature sensor 84, the water solenoid valve (83), the first temperature is arranged in first water flow sensor 85
Sensor (84) and the first water flow sensor (85) are connect with the peripheral control unit (81) respectively, the peripheral control unit
(81) it is communicated to connect with the master controller (11).
3. a kind of circulation according to claim 2 preheats supercharge control system, which is characterized in that in the water heater (1)
Portion is additionally provided with the water inlet pipe (12), heat exchanger (13) and outlet pipe (14) that setting is sequentially connected along water (flow) direction, the water inlet pipe
(12) water pump (9) and the second water flow sensor (10) have been set gradually along water (flow) direction on, on the outlet pipe (14)
Equipped with second temperature sensor (18), the water pump (9) and the second water flow sensor (10) respectively with the master controller
(11) it connects.
4. a kind of circulation according to claim 3 preheats supercharge control system, which is characterized in that on the water heater (1)
Equipped with display operating panel (15), the display operating panel (15) connect with the master controller (11).
5. a kind of control method of circulation preheating supercharge control system, which comprises the steps of:
S11. the on & off switch on display operating panel (15) is opened, selects pre- heat function by display operating panel (15), and lead to
The heating key and cooling key crossed on display operating panel (15) adjust default leaving water temperature；
S12. master controller (11) is by reading the first temperature sensor (84), the first water flow sensor (85) and the second water flow
The detection numerical value of quantity sensor (10) judges whether water heater (1) reaches pipeline start up by preheating condition, when reaching pipeline start up by preheating condition
Afterwards, S13 is entered step；When not reaching pipeline start up by preheating condition, then water solenoid valve (83) keeps initial closed state, entire to control
System processed does not execute any operation；
S13. master controller (11) executes preheating program, and water solenoid valve (83) is opened, and water pump (9) is started to work, water heater (1),
Water in the circulation line of hot-water line (5), external control module (8) and cold water pipe (4) composition flows in circulation line, hot water
Device (1) combustion preheater, when the water flow temperature T that the first temperature sensor (84) detects in external control module (8) reaches and step
When the corresponding preheating temperature of the default leaving water temperature set in S11, water pump (9) stops working, and water heater (1) stops preheating, water
Solenoid valve (83), which resets, closes.
6. a kind of control method of circulation preheating supercharge control system according to claim 5, which is characterized in that the step
In rapid S13, specifically comprise the following steps:
S131. master controller (11) executes preheating program, and water solenoid valve (83) is opened, and water pump (9) is started to work, water heater (1),
Water in the circulation line of hot-water line (5), external control module (8) and cold water pipe (4) composition flows in circulation line, this
When, the water temperature in circulation line is t1, water flow q1；
S132. water heater (1) combustion preheater, when second temperature sensor (18) detection on the outlet pipe (14) of water heater (1)
Water flow temperature T' when reaching t2, the water flow in circulation line increases to q2, wherein t2 is greater than t1；
S133. water heater (1) persistently preheats, when the water flow temperature that the first temperature sensor (84) detects in external control module (8)
Degree T reach preheating temperature t3 corresponding with the default leaving water temperature set in step S11 it is 1-2 DEG C low when, the water in circulation line
Flow-reduction is to q3, wherein t3 is greater than t2；
S134. when in external control module (8) the first temperature sensor (84) detect water flow temperature T reach in step S11
When the corresponding preheating temperature t3 of default leaving water temperature of setting, water pump (9) stops working, and water heater (1) stops preheating, water power magnetic
Valve (83), which resets, closes.
7. a kind of control method of circulation preheating supercharge control system according to claim 6, which is characterized in that the step
It in rapid S13, recycles in warm, the water flow of the first water flow sensor (85) detection is Q2, the second water flow sensor
(10) water flow detected is Q1, Q1-Q2=Δ Q, and when Δ Q is more than or equal to a certain pre-set value, master controller (11) is then sentenced
User is using hot water in disconnected circulation warm, therefore master controller (11) makes water pump (9) stop working, and reduces water heater
(1) power consumption, water heater (1) provides bath water into common bathing heating mode for user at this time；When Δ Q is less than described pre-
Setting value, and when the water flow temperature T of the first temperature sensor (84) detection is less than the preheating temperature t3, it is straight to continue cycling through preheating
Water flow temperature T to the first temperature sensor (84) detection is more than or equal to the preheating temperature t3.
8. a kind of control method of circulation preheating supercharge control system, which comprises the steps of:
S21. the on & off switch on display operating panel (15) is opened, selects function of increasing pressure by display operating panel (15), and lead to
The heating key and cooling key crossed on display operating panel (15) adjust default leaving water temperature；
S22. master controller (11) makes water solenoid valve (83) no power, maintains initial closed state, and user opens with water spot
Tap hot water end, when the water flow Q1 of the second water flow sensor (10) detection is more than or equal to a certain pre-set value, hot water
Device (1) ignition, records water flow Q1 at this time；Subsequent water pump (9) is started to work, the second water flow sensor (10) detection
Water flow be increased to Q1', to improve the bath comfort of user；
S23. after the complete closing tap of user's bathing, since water solenoid valve (83) are initial closed state, even if water pump (9) is in work
Make, but water heater (1), hot-water line (5), external control module (8) and cold water pipe (4) composition circulation line in water cannot flow
Dynamic, i.e. the water flow Q1=0 of the second water flow sensor (10) detection, then water pump (9) stops working, and water heater (1) also stops
Heating, into standby mode.
9. a kind of control method of circulation preheating supercharge control system, which comprises the steps of:
S31. the on & off switch on display operating panel (15) is opened, is preheated and is pressurized by display operating panel (15) simultaneous selection
Function, and pass through the heating key and the default leaving water temperature of cooling key adjusting on display operating panel (15)；
S32. master controller (11) judges whether user reach preheating and open using bathroom hot water and water heater (1) respectively
Dynamic condition, if user does not use bathroom hot water, and water heater (1) not up to recycles pipeline start up by preheating condition, at this time water heater (1)
It is in standby；If user does not use bathroom hot water, but water heater (1) has reached circulation pipeline start up by preheating condition, then enters
Step S33；If user is then being entered step using bathroom hot water without judging whether water heater (1) reaches pipeline start up by preheating condition
S34；
S33. master controller (11) executes preheating program, and water solenoid valve (83) is opened, and water pump (9) is started to work, water heater (1),
Water in the circulation line of hot-water line (5), external control module (8) and cold water pipe (4) composition flows in circulation line, hot water
Device (1) combustion preheater, when the water flow temperature T that the first temperature sensor (84) detects in external control module (8) reaches and step
When the corresponding preheating temperature of the default leaving water temperature set in S11, water pump (9) stops working, and water heater (1) stops preheating, water
Solenoid valve (83), which resets, closes；
S34. master controller (11) makes water solenoid valve (83) no power, maintains initial closed state, and user opens with water spot
Tap hot water end, when the water flow Q1 of the second water flow sensor (10) detection is more than or equal to a certain pre-set value, hot water
Device (1) ignition, records water flow Q1 at this time；Subsequent water pump (9) is started to work, the second water flow sensor (10) detection
Water flow be increased to Q1', improve the bath comfort of user；After the complete closing tap of user's bathing, water pump (9) stops work
Make, water heater (1) also stops heating, into standby mode.
10. a kind of control method of circulation preheating supercharge control system according to claim 9, which is characterized in that described
In step S33, specifically comprise the following steps:
S331. master controller (11) executes preheating program, and water solenoid valve (83) is opened, and water pump (9) is started to work, water heater (1),
Water in the circulation line of hot-water line (5), external control module (8) and cold water pipe (4) composition flows in circulation line, this
When, the water temperature in circulation line is t1, water flow q1；
S332. water heater (1) combustion preheater, when the water flow temperature that the first temperature sensor (84) detects in external control module (8)
When degree T reaches t2, the water flow in circulation line increases to q2, wherein t2 is greater than t1；
S333. water heater (1) persistently preheats, when the water flow temperature that the first temperature sensor (84) detects in external control module (8)
Water flow when degree T is preheating temperature t3 more corresponding than the default leaving water temperature set in step S11 1-2 DEG C low, in circulation line
It is reduced to q3, wherein t3 is greater than t2；
S334. it is set when the water flow temperature T that the first temperature sensor (84) detects in external control module (8) reaches in step S11
When the corresponding preheating temperature t3 of fixed default leaving water temperature, water pump (9) stops working, and water heater (1) stops preheating, water solenoid valve
(83) it resets and closes.
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