CN108489072A - Central hot-water system, central heater and water heater control method - Google Patents
Central hot-water system, central heater and water heater control method Download PDFInfo
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- CN108489072A CN108489072A CN201810395303.6A CN201810395303A CN108489072A CN 108489072 A CN108489072 A CN 108489072A CN 201810395303 A CN201810395303 A CN 201810395303A CN 108489072 A CN108489072 A CN 108489072A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 559
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000010586 diagram Methods 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 5
- 238000003287 bathing Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000009429 electrical wiring Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/0018—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters using electric energy supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
Abstract
A kind of central hot-water system of proposition of the embodiment of the present invention, central heater and water heater control method, are related to technical field of water heaters.The central heater includes central heater ontology, the first cold water inlet pipe and the first hot water out pipe, first cold water inlet pipe and the first hot water out pipe are connect with central heater ontology, one end of water heater and electric check valve to be launched connects, the other end of first cold water inlet pipe and electric check valve connects, and the first hot water out pipe is connected to water heater to be launched；Central heater ontology includes master controller, water flow sensor and temperature sensor, master controller calculates hot water total load according to the inflow of water flow sensor acquisition and the inflow temperature of temperature sensor acquisition, electric check valve is controlled according to hot water total load to open or close, water heater to be launched is set to start or keep state to be launched, therefore by controlling the start and stop state of water heater to be launched, solve the problems, such as central hot-water system inflow temperature it is low or when water consumption is big water outlet it is not hot.
Description
Technical field
The present invention relates to technical field of water heaters, in particular to a kind of central hot-water system, central heater and heat
Hydrophone control method.
Background technology
With the development of science and technology and living standards of the people step up, and requirement of the people to domestic hot water is also increasingly
It is high.Traditional water heater needs to bleed off the cold water in pipeline when in use, this not only causes the waste of water resource, also increases use
The family bathing stand-by period, user experience is excessively poor, and the appearance of central hot-water system makes user open tap or shower
It can be possibly realized using hot water, user without waiting, provides convenience for user's life.
Domestic central hot water system generally only installs a water heater at present, and winter inflow temperature is low, the water consumption of user
Greatly, lead to the upper load limit beyond water heater, occur being discharged not hot phenomenon, it is especially outstanding in the big-room and luxury housing projects hot-water heating system such as villa
It is common, has seriously affected user's normal use hot water.
It is underload as existing for the central hot-water system in the large-scale place such as hotel, villa in order to solve the problems, such as, usually
By the way of multi-machine parallel connection, this mode need to generally be equipped with independent control, and pipe-line layout and electrical wiring are complicated, cost compared with
Height is not suitable for domestic central hot water system.
Invention content
The embodiment of the present invention is designed to provide a kind of central hot-water system, central heater and water heater controlling party
Method, to solve existing domestic central hot water system, inflow temperature is low in winter and is discharged in the case that user's water consumption is big not hot
The problem of.
To achieve the goals above, technical solution used in the embodiment of the present invention is as follows：
In a first aspect, the embodiment of the present invention proposes that a kind of central hot-water system, the central hot-water system include center heat
Hydrophone, water heater to be launched and electric check valve, the central heater include central heater ontology, the first cold water inlet pipe and
First hot water out pipe, the first cold water inlet pipe and first hot water out pipe are connect with the central heater ontology, institute
It states water heater to be launched to connect with one end of the electric check valve, the first cold water inlet pipe is another with the electric check valve
One end connects, and first hot water out pipe is connected to the water heater to be launched；The central heater ontology includes main control
Device, water flow sensor and temperature sensor, the electric check valve are communicated with master controller foundation, and the water flow passes
Sensor and the temperature sensor are electrically connected with the master controller；The master controller is used to sense according to the water flow
The inflow of device acquisition and the inflow temperature of temperature sensor acquisition calculate hot water total load, and total according to the hot water
Electric check valve described in spatial load forecasting opens or closes, so that the water heater to be launched starts or keep state to be launched.
Second aspect, the embodiment of the present invention also propose a kind of central heater, are applied to central hot-water system, the center
Hot-water heating system includes water heater and electric check valve to be launched, and one end of the water heater to be launched and the electric check valve connects
Connect, the central heater includes central heater ontology, the first cold water inlet pipe and the first hot water out pipe, first cold water into
Pipe and first hot water out pipe are connect with the central heater ontology, the first cold water inlet pipe and the electronic cut-off
The other end of valve connects, and first hot water out pipe is connected to the water heater to be launched；The central heater ontology includes
Master controller, water flow sensor and temperature sensor, the electric check valve are communicated with master controller foundation, the water
Flow sensor and the temperature sensor are electrically connected with the master controller；The master controller is used for according to the flow
The inflow of quantity sensor acquisition and the inflow temperature of temperature sensor acquisition calculate hot water total load, and according to described
Hot water total load controls the electric check valve and opens or closes, so that the water heater to be launched starts or keep shape to be launched
State.
The third aspect, the embodiment of the present invention also propose a kind of water heater control method, which is applied to
Central heater described in above-mentioned second aspect, the method includes：The master controller obtains the water flow sensor and adopts
The inflow of collection and the inflow temperature of temperature sensor acquisition；The master controller is according to the inflow and described
Inflow temperature calculates hot water total load；The master controller controls the electricity when the hot water total load is less than given threshold
Dynamic shut-off valve is closed to separate the first cold water inlet pipe and the water heater to be launched, and then the water heater to be launched is made to protect
Hold state to be launched；The master controller controls the electricity when the hot water total load is greater than or equal to the given threshold
Dynamic shut-off valve is opened to be connected to the first cold water inlet pipe and the water heater to be launched, and then the water heater to be launched is made to open
It is dynamic.
Compared with the prior art, the embodiment of the present invention has the advantages that：
In embodiments of the present invention, which includes central heater, water heater to be launched and electronic cut-off
Valve, the central heater include central heater ontology, the first cold water inlet pipe and the first hot water out pipe, first cold water into
Pipe and first hot water out pipe are connect with the central heater ontology, the water heater to be launched and the electronic cut-off
One end of valve connects, and the first cold water inlet pipe is connect with the other end of the electric check valve, first hot water out pipe and
The water heater connection to be launched；The central heater ontology includes master controller, water flow sensor and temperature sensor,
The foundation of the electric check valve and the master controller communicates, the water flow sensor and the temperature sensor with it is described
Master controller is electrically connected；The inflow and temperature biography that the master controller is used to acquire according to the water flow sensor
The inflow temperature of sensor acquisition calculates hot water total load, and according to the hot water total load control the electric check valve open or
It closes, so that the water heater to be launched starts or keep state to be launched.Therefore, which can make in user
When with water, the inflow for flowing into central heater and passed according to temperature that master controller acquires in real time according to water flow sensor
The inflow temperature of what sensor acquired in real time flow into central heater calculates the current hot water total load of central heater, and according to heat
Water total load controls the start and stop state of water heater to be launched so that central hot-water system can in winter inflow temperature it is low with or use
In the case that water is big meet needed for burden requirement, to solve existing domestic central hot water system in winter inflow temperature it is low and
It is discharged not hot problem in the case that user's water consumption is big, realizes the more people of big-room and luxury housing project house bathing simultaneously, hot water temperature is uniform,
Without perm formula, better user experience.
Other features and advantages of the present invention will be illustrated in subsequent specification, also, partly be become from specification
It is clear that by implementing understanding of the embodiment of the present invention.The purpose of the present invention and other advantages can be by saying what is write
Specifically noted structure is realized and is obtained in bright book, claims and attached drawing.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 shows the structural schematic diagram for the central hot-water system that the embodiment of the present invention is provided.
Fig. 2 shows the control principle block diagrams for the central heater that the embodiment of the present invention is provided.
Fig. 3 shows central hot-water system that the embodiment of the present invention the is provided water when entreating water heater to be in circulation pattern
Flow to schematic diagram.
Fig. 4 shows central hot-water system that the embodiment of the present invention the is provided water when water heater to be launched does not start
Flow to schematic diagram.
Fig. 5 shows the flow direction for central hot-water system water when water heater to be launched starts that the embodiment of the present invention is provided
Schematic diagram.
Fig. 6 shows that central hot-water system that the embodiment of the present invention the is provided flow direction of water in electric check valve failure is shown
It is intended to.
Fig. 7 shows that central hot-water system that the embodiment of the present invention the is provided flow direction of water in central heater failure is shown
It is intended to.
Fig. 8 shows the flow diagram for the water heater control method that the embodiment of the present invention is provided.
Icon：100- central hot-water systems；110- central heaters；120- water heaters to be launched；The electronic cut-offs of 130-
Valve；140- hand stop valves；150- cold water pipes；160- hot-water lines；170- water circulating pumps；180- check valves；190- is always intake
Pipe；101- triple valves；102- water spots；103- cold water connecting tubes；104- hot water connecting tubes；The total inlet valves of 105-；106- cold water
Valve；107- hot water valves；111- central heater ontologies；112- the first cold water inlet pipes；The first hot water out pipe of 113-；121- is to be launched
Water heater body；122- the second cold water inlet pipes；The second hot water out pipe of 123-；1111- master controllers；1112- water flows sense
Device；1113- temperature sensors；1114- heat exchangers.
Specific implementation mode
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, the detailed description of the embodiment of the present invention to providing in the accompanying drawings is not intended to limit claimed invention below
Range, but it is merely representative of the selected embodiment of the present invention.Based on the embodiment of the present invention, those skilled in the art are not doing
The every other embodiment obtained under the premise of going out creative work, shall fall within the protection scope of the present invention.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.Meanwhile the present invention's
In description, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
Fig. 1 is please referred to, by the structural schematic diagram for the central hot-water system 100 that the embodiment of the present invention provides.Center heat
Water system 100 disclosure satisfy that the more people of big-room and luxury housing project house bathing simultaneously, and hot water temperature is uniform, no perm formula, better user experience.Such as
Shown in Fig. 1, the central hot-water system 100 includes central heater 110, water heater to be launched 120 and electric check valve 130.
The central heater 110 includes central heater ontology 111, the first cold water inlet pipe 112 and the first hot water out pipe
113, the first cold water inlet pipe 112 and first hot water out pipe 113 are connect with the central heater ontology 111.
The water heater to be launched 120 is connect with one end of the electric check valve 130, the first cold water inlet pipe 112
It is connect with the other end of the electric check valve 130, first hot water out pipe 113 connects with the water heater 120 to be launched
It is logical.
Specifically, the water heater to be launched 120 includes water heater body 121 to be launched, the second cold water inlet pipe 122 and the
Two hot water out pipe 123, first hot water out pipe 113 pass through second hot water out pipe 123 and the water heater sheet to be launched
Body 121 is connected to, and the second cold water inlet pipe 122 and the first cold water inlet pipe 112, the water heater body 121 to be launched are equal
Connection, wherein the second cold water inlet pipe 122 is connect with the first cold water inlet pipe 112 by triple valve 101, described electronic
Shut-off valve 130 is arranged in the second cold water inlet pipe 122.In this way, 121 and first cold water inlet pipe 112 of water heater body to be launched
Whether connection can be controlled by the open and-shut mode of electric check valve 130, when electric check valve 130 is in an open state, wait opening
Dynamic water heater body 121 is connected to the first cold water inlet pipe 112, at this point, during the water part in the first cold water inlet pipe 112 enters
Water heater body 111, the second cold water of another part inlet pipe 122 is entreated to enter water heater body 121 to be launched, water heater sheet to be launched
Body 121 starts and carries out heating work；When electric check valve 130 is in off state, water heater body 121 and first to be launched
Cold water inlet pipe 112 is separated by electric check valve 130, at this time the first cold water inlet pipe 112 cannot by the second cold water inlet pipe 122 into
Enter water heater body 121 to be launched, water heater body 121 to be launched will not start.
The central heater ontology 111 includes master controller 1111, water flow sensor 1112 and temperature sensor
1113, the electric check valve 130 is communicated with the foundation of the master controller 1111, the water flow sensor 1112 and the temperature
Degree sensor 1113 is electrically connected with the master controller 1111, as shown in Fig. 2, the control for the central heater 110 is former
Manage block diagram.
In the present embodiment, the water flow sensor 1112 and the temperature sensor 1113 may be contained within described first
Cold water inlet pipe 112, when flow enters central heater ontology 111 by the first cold water inlet pipe 112, water flow sensor 1112
And temperature sensor 1113 can acquire the inflow and inflow temperature of central heater 110 respectively.
In the present embodiment, the mode being electrically connected may be used between electric check valve 130 and the master controller 1111
It realizes wire communication, the modules such as WiFi, bluetooth can also be used to realize that wireless communication, the application are without limitation.
The inflow and the temperature that the master controller 1111 is used to acquire according to the water flow sensor 1112
The inflow temperature that sensor 1113 acquires calculates hot water total load, and controls the electric check valve according to the hot water total load
130 open or close, so that the water heater to be launched 120 starts or keep state to be launched.
In the present embodiment, the master controller 1111 is stored with given threshold, and the master controller 1111 is used in institute
State hot water total load less than the given threshold when, control the electric check valve 130 close with separate first cold water into
Pipe 112 and the water heater 120 to be launched, and then the water heater to be launched 120 is made to keep state to be launched, the main control
Device 1111 is additionally operable to, when the hot water total load is greater than or equal to the given threshold, control the electric check valve 130 and beat
It opens to be connected to the first cold water inlet pipe 112 and the water heater 120 to be launched, and then the water heater to be launched 120 is made to open
It is dynamic.
In the present embodiment, water flow sensor 1112 acquire inflow be Q, temperature sensor 1113 acquire into
Coolant-temperature gage is T, and master controller 1111 can calculate hot water total load W=Q × T according to inflow Q and inflow temperature T, by the hot water
Total load W is compared with the given threshold P of storage, as hot water total load W ＜ given threshold P, is shown without departing from central heat
The upper load limit of hydrophone 110 starts without water heater 120 to be launched；As hot water total load W >=given threshold P, show to surpass
The upper load limit for having gone out central heater 110 cannot be satisfied user and use hot water, need to say that water heater 120 to be launched starts, realize
The load variations of central hot-water system 100 provide hot water, to solve jointly by water heater 120 to be launched with central heater 110
The not hot problem of water is decided.
In the present embodiment, which can be regarded as hot water load's upper limit of central heater 110, work as central hot water
When the current hot water total load of device 110 is more than hot water load's upper limit, it may result in and be discharged not hot phenomenon, can also manage in this way
Solution, if the water of 16L can be heated to 45 DEG C by central heater 110 in setting time by 20 DEG C, when in winter into water temperature
Spend it is low and in the case that user's water consumption is big, central heater 110 in setting time can only by the water of 16L by 5 DEG C (into water temperature
Degree) 35 DEG C are heated to, it results in being discharged not hot phenomenon in this way, influences user's normal use hot water；And work as water heater to be launched
After 120 start, can 16L water be heated by central heater 110 and water heater 120 to be launched jointly, this ensures that intaking
Temperature it is low and in the case that water consumption is big, also the water of 16L can be heated to 45 DEG C by 5 DEG C in setting time, to will not shadow
Ring user's normal use hot water.
It is appreciated that in the central hot-water system 100 of the present embodiment, central heater 110 is typically in working condition,
And water heater 120 to be launched is typically in state to be launched (also can be regarded as standby mode), whether water heater 120 to be launched opens
It is dynamic then controlled by central heater 110.Therefore, the work big in, water consumption low in inflow temperature of central heater 110
When environment, the start and stop of central heater 110 can be controlled according to current hot water total load, realize entire central hot-water system
100 load variations do not influence the normal use of user's hot water.
Further, in the present embodiment, the central hot-water system 100 further includes hand stop valve 140, the hand
One end of dynamic shut-off valve 140 is connect with the first cold water inlet pipe 112, and the other end of the hand stop valve 140 is waited for described
Start water heater 120 to connect.
It is appreciated that in the present embodiment, the hand stop valve 140 is also disposed at the second cold water inlet pipe 122, and with
Electric check valve 130 is in parallel, which is in normally off, can open manually.In this way, working as central heater 110
Or electric check valve 130, when breaking down, user can open the hand stop valve 140 manually, so that water heater to be launched 120
It is actuated for work.
Further, in the present embodiment, the central heater ontology 111 further includes heat exchanger 1114, in described
Centre hot-water heating system 100 further includes cold water pipe 150, hot-water line 160, water circulating pump 170, check valve 180, water inlet manifold 190 and extremely
Few one with water spot 102, the water circulating pump 170, water flow sensor 1112 and the temperature sensor 1113 may be contained within
The first cold water inlet pipe 112, the first cold water inlet pipe 112, heat exchanger 1114, the first hot water out pipe 113, hot-water line
160 and the cold water pipe 150 join end to end constitute circulation loop successively, the water inlet manifold 190 and the cold water pipe 150 and
The first cold water inlet pipe 112 is all connected with.
Specifically, one end of the first cold water inlet pipe 112 stretch into central heater ontology 111 and with heat exchanger 1114
One end connects, and the other end of the first cold water inlet pipe 112 is then connect with water inlet manifold 190 and cold water pipe 150, the first hot water out pipe
113 one end is stretched into central heater ontology 111 and is connect with the other end of heat exchanger 1114, the first hot water out pipe 113
The other end then connect with hot-water line 160.
The cold water pipe 150 is connect with the hot-water line 160 by the check valve 180, so that in the hot-water line 160
The water that can flow into the cold water pipe 150 and the cold water pipe 150 of water cannot flow into the hot-water line 160.It can manage
Solution, when needing to lead the water in hot-water line 160 into cold water pipe 150, which should be opened.
It is described at least one to be all connected with water spot 102 and the hot-water line 160 and the cold water pipe 150.Wherein, it is described extremely
Few one is connect with the cold water pipe 150 by cold water connecting tube 103 with water spot 102, and passes through hot water connecting tube 104 and institute
State the connection of hot-water line 160；When user will use water spot 102 to open, cold water connecting tube 103 can lead the cold water in cold water pipe 150
To with water spot 102, hot water connecting tube 104 can be by the hot water guiding water spot 102 in hot-water line 160.
In the present embodiment, it is additionally provided with total inlet valve 105 on the water inlet manifold 190, total inlet valve 105 is for controlling
Water inlet manifold 190 intakes or does not intake；The first cold water inlet pipe 112 is equipped with cold valves 106, which is used for
Control whether the first cold water inlet pipe 112 imports the cold water in water inlet manifold 190 in central heater ontology 111；Described first
Hot water out pipe 113 is equipped with hot water valve 107, and the hot water valve 107 is for controlling whether the first hot water out pipe 113 imports hot water
In hot-water line 160.
With continued reference to Fig. 2, the water circulating pump 170 is also electrically connected with the master controller 1111, the master controller
1111 for controlling the rotation of the water circulating pump 170 or stopping operating.
In the present embodiment, which is equipped with circulation pattern, it is assumed that the hot water in central hot-water system 100
Water in pipe 160, cold water pipe 150 is stationary state, and the water in hot-water line 160 is cooled into cold after a period of time has passed
Water, when user needs using hot water, if directly opening with water spot 102, needing to wait for a period of time will be cold in hot-water line 160
It but, could normal use hot water after the water discharge fallen；If user sets the central heater 110 before opening water spot 102
In circulation pattern, master controller 1111 controls the water circulating pump 170 rotation at this time, by the water circulating pump 170 by cold water pipe 150
In cold water be extracted into the water in heat exchanger 1114 being heated, and being cooled away in hot-water line 160 and then flow into cold water pipe 150,
In this way when user arbitrarily open it is one or more hot water can be used with water spot 102, that is, realize central hot-water system 100 i.e.
Immediate thermal function is opened, without waiting, the user experience is improved by user.In practical applications, central heater 110 can be arranged to open
After dynamic circulation pattern, circulation pattern is automatically closed after reaching setting time, to ensure that the cold water in hot-water line 160 is just whole
Into cold water pipe 150, not only ensure that user opens in this way can use hot water with water spot 102, without waiting, and not shadow
It rings user and uses cold water, improve user experience.
In the following, the operation principle of central hot-water system 100 is specifically described.Central hot-water system 100 is in initial shape
Under state, check valve 180, total inlet valve 105, cold valves 106, hot water valve 107 are opened, electric check valve 130 and manual shutoff
Valve 140 is turned off, and when central heater 110 is in circulation pattern, the rotation of 1111 control loop water pump 170 of master controller follows
Cold water in cold water pipe 150 is extracted into heat exchanger 1114 and heats by ring water pump 170, the water cooled away in hot-water line 160
It then flows into cold water pipe 150, at this time in central hot-water system 100, the flow direction of water is as shown in figure 3, hot-water line 160 at this time
Water is the hot water heated through over-heat-exchanger 1114.When user's opening is at least one uses hot water with water spot 102, master controller
1111 calculate hot water total load W according to current inflow Q and inflow temperature T, and judge whether hot water total load W is more than
Given threshold P, without starting water heater 120 to be launched, controls electronic cut-off when hot water total load W is less than given threshold P
Valve 130 is closed, and hot water is provided with water spot 102 to be each by central heater 110, at this time in central hot-water system 100, the stream of water
To as shown in Figure 4；When hot water total load W is greater than or equal to given threshold P, master controller 1111 controls electric check valve 130
It opens so that the first cold water inlet pipe 112 is connected to by electric check valve 130 with water heater body 121 to be launched, to be launched at this time
After water heater 120 starts and heated to the water in the second cold water inlet pipe 122, the first heat is imported by the second hot water out pipe 123
Water outlet pipe 113 provides heat to be each to flow to hot-water line 160 together with the hot water in the first hot water out pipe 113 with water spot 102
Water, at this time in central hot-water system 100, the flow direction of water is as shown in Figure 5；When electric check valve 130 breaks down, Yong Huke
Hand stop valve 140 is opened manually, and the first cold water inlet pipe 112 passes through hand stop valve 140 and water heater body to be launched at this time
121 connections, water heater 120 to be launched start and provide hot water with water spot 102 jointly to be each with central heater 110, exist at this time
In central hot-water system 100, the flow direction of water is as shown in Figure 6；When central heater 110 breaks down, user can open manually
Hand stop valve 140, the first cold water inlet pipe 112 are connected to water heater body 121 to be launched by hand stop valve 140, wait opening
Dynamic water heater 120 starts, and hot water is provided with water spot 102 by water heater 120 to be launched to be each, at this time in central hot-water system 100
In, the flow direction of water is as shown in Figure 7.
Fig. 8 is please referred to, by the flow diagram for the water heater control method that the embodiment of the present invention provides.The water heater control
Method processed can be applied in the master controller 1111 of central heater 110 shown in FIG. 1, it should be noted that the present invention is implemented
The center heat that the technique effect of the water heater control method that example is provided, basic principle and generation is provided with previous embodiment
Water system 100 is identical, to briefly describe, does not refer to part in the present embodiment, can refer to the corresponding contents of previous embodiment.Below
Detailed process shown in Fig. 8 will be described in detail.
Step S201, the master controller obtain the inflow of the water flow sensor acquisition and the temperature sensing
The inflow temperature of device acquisition.
Step S202, the master controller calculate hot water total load according to the inflow and the inflow temperature.
Step S203, the master controller judge whether the hot water total load is less than given threshold.
Wherein, when hot water total load is less than given threshold, step S204 is executed；It is set when hot water total load is greater than or equal to
When determining threshold value, step S205 is executed.
Step S204, the master controller control the electronic cut-off when the hot water total load is less than given threshold
Valve is closed to separate the first cold water inlet pipe and the water heater to be launched, and then the water heater to be launched is made to keep waiting opening
Dynamic state.
Step S205, the master controller control institute when the hot water total load is greater than or equal to the given threshold
It states electric check valve to open to be connected to the first cold water inlet pipe and the water heater to be launched, and then makes the hot water to be launched
Device starts.
In conclusion central hot-water system and central heater that the embodiment of the present invention is provided, the central hot-water system
Including central heater, water heater to be launched, electric check valve, cold water pipe, hot-water line and water circulating pump, the central heater
Including central heater ontology, the first cold water inlet pipe and the first hot water out pipe, the first cold water inlet pipe and first hot water
Outlet pipe is connect with the central heater ontology, and the water heater to be launched is connect with one end of the electric check valve, institute
It states the first cold water inlet pipe to connect with the other end of the electric check valve, first hot water out pipe and the water heater to be launched
Connection；The central heater ontology includes master controller, water flow sensor and temperature sensor, the electric check valve with
The master controller establishes communication, and the water flow sensor and the temperature sensor are electrically connected with the master controller,
Water circulating pump, water flow sensor and the temperature sensor may be contained within the first cold water inlet pipe, the first cold water inlet pipe, heat
Exchanger, the first hot water out pipe, hot-water line and the cold water pipe join end to end successively constitutes circulation loop；The master controller according to
Hot water total load is calculated according to the inflow of water flow sensor acquisition and the inflow temperature of temperature sensor acquisition,
When the hot water total load is less than the given threshold, control the electric check valve close with separate first cold water into
Pipe and the water heater to be launched, and then the water heater to be launched is made to keep state to be launched；It is big in the hot water total load
When the given threshold, controls the electric check valve opening and wait opening with described to be connected to the first cold water inlet pipe
Dynamic water heater, and then the water heater to be launched is made to start.Therefore, in this application, the central hot-water system can not only with
Realize instant-heating when family opening water spot, and what can in real time be acquired according to water flow sensor flows into central heater
Inflow and according to temperature sensor acquire in real time flow into central heater inflow temperature calculate central heater it is current
Hot water total load, and control according to hot water total load the start and stop state of water heater to be launched so that central hot-water system is in the winter
Season inflow temperature it is low with or burden requirement needed for meeting in the case that water consumption is big, to solve existing domestic central hot water system
Inflow temperature is low in winter and is discharged not hot problem in the case that user's water consumption is big, realizes the more people of big-room and luxury housing project house simultaneously
Bathing, hot water temperature is uniform, no perm formula, better user experience；In addition, central hot-water system composition is simple, it is easy to operate,
Convenient for safeguarding.
It should be noted that herein, the relational terms of such as " first " and " second " or the like are used merely to one
A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to
Cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or setting
Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the utility model, for this field
Technical staff for, the invention may be variously modified and varied.All within the spirits and principles of the present invention, appoint made by
What modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.It should be noted that：Similar label and word
Mother indicates similar terms in following attached drawing, therefore, once it is defined in a certain Xiang Yi attached drawing, then in subsequent attached drawing
It further need not be defined and explained.
Claims (10)
1. a kind of central hot-water system, which is characterized in that the central hot-water system includes central heater, water heater to be launched
And electric check valve, the central heater include central heater ontology, the first cold water inlet pipe and the first hot water out pipe, it is described
First cold water inlet pipe and first hot water out pipe are connect with the central heater ontology, the water heater to be launched and institute
One end connection of electric check valve is stated, the first cold water inlet pipe is connect with the other end of the electric check valve, and described first
Hot water out pipe is connected to the water heater to be launched；The central heater ontology include master controller, water flow sensor and
Temperature sensor, the electric check valve are communicated with master controller foundation, and the water flow sensor and the temperature pass
Sensor is electrically connected with the master controller；
Inflow and temperature sensor acquisition of the master controller for being acquired according to the water flow sensor
Inflow temperature calculates hot water total load, and controls the electric check valve according to the hot water total load and open or close, so that
The water heater to be launched starts or keeps state to be launched.
2. central hot-water system as described in claim 1, which is characterized in that the master controller is stored with given threshold, institute
Master controller is stated for when the hot water total load is less than the given threshold, controlling the electric check valve and closing to separate
The first cold water inlet pipe and the water heater to be launched, and then the water heater to be launched is made to keep state to be launched；
The master controller is additionally operable to when the hot water total load is greater than or equal to the given threshold, described electronic section of control
Only valve is opened to be connected to the first cold water inlet pipe and the water heater to be launched, and then the water heater to be launched is made to start.
3. central hot-water system as described in claim 1, which is characterized in that the water heater to be launched includes hot water to be launched
Device ontology, the second cold water inlet pipe and the second hot water out pipe, first hot water out pipe by second hot water out pipe with it is described
Water heater body's connection to be launched, the second cold water inlet pipe and the first cold water inlet pipe, the water heater body to be launched
It is all connected with, the electric check valve is arranged in the second cold water inlet pipe.
4. central hot-water system as described in claim 1, which is characterized in that the central heater ontology further includes heat exchange
Device, the central hot-water system further include cold water pipe, hot-water line and water circulating pump, the water circulating pump, water flow sensor and
The temperature sensor may be contained within the first cold water inlet pipe, and the first cold water inlet pipe, heat exchanger, the first hot water go out
Pipe, hot-water line and the cold water pipe join end to end successively constitutes circulation loop.
5. central hot-water system as claimed in claim 4, which is characterized in that the central hot-water system further includes check valve,
The cold water pipe is connect with the hot-water line by the check valve, so that the water in the hot-water line can flow into the cold water
It manages and the water in the cold water pipe cannot flow into the hot-water line.
6. central hot-water system as claimed in claim 4, which is characterized in that the central hot-water system further includes at least one
It is described at least one to be all connected with water spot and the hot-water line and the cold water pipe with water spot.
7. central hot-water system as claimed in claim 4, which is characterized in that the central hot-water system further includes always intaking
Pipe, the water inlet manifold are all connected with the cold water pipe and the first cold water inlet pipe.
8. central hot-water system as described in claim 1, which is characterized in that the central hot-water system further includes manual shutoff
Valve, one end of the hand stop valve are connect with the first cold water inlet pipe, and the other end of the hand stop valve is waited for described
Start water heater connection.
9. a kind of central heater is applied to central hot-water system, which is characterized in that the central hot-water system includes to be launched
Water heater and electric check valve, the water heater to be launched are connect with one end of the electric check valve, the central heater
Including central heater ontology, the first cold water inlet pipe and the first hot water out pipe, the first cold water inlet pipe and first hot water
Outlet pipe is connect with the central heater ontology, and the first cold water inlet pipe is connect with the other end of the electric check valve,
First hot water out pipe is connected to the water heater to be launched；The central heater ontology includes master controller, water flow
Sensor and temperature sensor, the electric check valve are communicated with master controller foundation, the water flow sensor and institute
Temperature sensor is stated to be electrically connected with the master controller；
Inflow and temperature sensor acquisition of the master controller for being acquired according to the water flow sensor
Inflow temperature calculates hot water total load, and controls the electric check valve according to the hot water total load and open or close, so that
The water heater to be launched starts or keeps state to be launched.
10. a kind of water heater control method, which is characterized in that be applied to the central heater described in claim 9, the method
Including：
The master controller obtains the inflow of the water flow sensor acquisition and the water inlet of temperature sensor acquisition
Temperature；
The master controller calculates hot water total load according to the inflow and the inflow temperature；
The master controller controls the electric check valve and closes to separate when the hot water total load is less than given threshold
The first cold water inlet pipe and the water heater to be launched are stated, and then the water heater to be launched is made to keep state to be launched；
The master controller controls the electric check valve and beats when the hot water total load is greater than or equal to the given threshold
It opens to be connected to the first cold water inlet pipe and the water heater to be launched, and then the water heater to be launched is made to start.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810395303.6A CN108489072A (en) | 2018-04-27 | 2018-04-27 | Central hot-water system, central heater and water heater control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810395303.6A CN108489072A (en) | 2018-04-27 | 2018-04-27 | Central hot-water system, central heater and water heater control method |
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| CN108489072A true CN108489072A (en) | 2018-09-04 |
Family
ID=63313370
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810395303.6A Pending CN108489072A (en) | 2018-04-27 | 2018-04-27 | Central hot-water system, central heater and water heater control method |
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| CN (1) | CN108489072A (en) |
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