CN208751007U - Central hot water gas heater and its application system - Google Patents
Central hot water gas heater and its application system Download PDFInfo
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- CN208751007U CN208751007U CN201721825851.5U CN201721825851U CN208751007U CN 208751007 U CN208751007 U CN 208751007U CN 201721825851 U CN201721825851 U CN 201721825851U CN 208751007 U CN208751007 U CN 208751007U
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Abstract
Central hot water gas heater provided by the utility model and its application system, are related to gas heater field.The central hot water gas heater is applied to the application system of central hot water gas heater, the application system of central hot water gas heater includes water inlet manifold, hot-water line, cold water pipe and multiple water spots, hot-water line is connect with cold water pipe, multiple to be parallel to hot-water line and cold water pipe with water spot, central hot water gas heater includes water heater body, cold water inlet pipe, hot water out pipe, heater, water flow sensor, pressure sensor, booster pump and controller.Controller is used to be pressurized pump startup according to the starting flow control of real-time traffic and booster pump.Controller is also used to close according to the circulating pressure of real-time pressure and circulation line control booster pump.Automatic-boosting hot water flow, and energy conservation may be implemented in the central hot water gas heater, and structure is simple, can promote user's bathing experience.
Description
Technical field
The utility model relates to gas heater field, in particular to a kind of central hot water gas heater and its
Application system.
Background technique
In no water return pipeline central hot-water system, booster pump is mounted on water heater at cold water by most users, is used for
Increase hot water flow.This mode is installed simple, easily operated, and application is more universal, but there are shadows to the use of central hot water
It rings.
Lower in view of unidirectional valve opening pressure when closing water spot, booster pump can be such that check valve is connected.Hot water is in hot water
Pipe, cold water pipe, can still form circulation loop between water heater at check valve, and water heater is not shut down for a long time, hot water by always plus
Heat causes the serious consequences such as high-temperature water scald, water heater damage.
For the central hot water gas heater with function of increasing pressure, built in booster pump, process control booster pump can be passed through
Start and stop.But in Guan Shuihou, water heater can still run a circulation.The hydronic hot water is unnecessary in most cases,
This has resulted in the waste of combustion gas.Or artificially go to close the circulation of water heater after closing water, user experience is reduced in this way.
Therefore, researching and developing a kind of central hot water gas heater that can effectively solve the above problem is current to need urgent solve
The technical issues of.
Utility model content
The purpose of this utility model is to provide a kind of central hot water gas heaters, which can
To realize Automatic-boosting hot water flow, and energy conservation, structure is simple, can promote user's bathing experience.
The another object of the utility model is to provide a kind of application system of central hot water gas heater, being capable of benefit
With the start and stop for controlling booster pump with the difference of hot water flow before and after water spot open and close and pressure change, Guan Shuihou hot water is realized
Device is flame-out to shut down, and realizes Automatic-boosting hot water flow, promotes user's bathing experience.
It is that it is realized by adopting the following technical scheme that the utility model, which solves its technical problem:
A kind of central hot water gas heater provided by the utility model, the application applied to central hot water gas heater
System, the application system of the central hot water gas heater include water inlet manifold, hot-water line, cold water pipe and multiple with water spot,
The hot-water line is connect with the cold water pipe, it is multiple it is described be parallel to the hot-water line and the cold water pipe with water spot, it is described in
Entreating hot water gas heater includes water heater body, cold water inlet pipe, hot water out pipe, heater, water flow sensor, pressure sensing
Device, booster pump and controller.
The heater is set in the water heater body, and the water heater body is protruded into one end of the cold water inlet pipe
Interior and connect with the heater, for connecting respectively with the water inlet manifold and the cold water pipe, the hot water goes out the other end
One end of pipe is protruded into the water heater body and is connect with the heater, and the other end with the hot-water line for connecting, institute
Cold water inlet pipe, the heater, the hot water out pipe is stated to be used to form circulation line with the hot-water line and the cold water pipe.
The water flow sensor, the pressure sensor and the booster pump are all set in the cold water inlet pipe, and
It is connect with the controller, the water flow sensor is used to detect the real-time traffic of water in the cold water inlet pipe, the pressure
Sensor is used to detect the real-time pressure of water in the cold water inlet pipe.
The controller is used for booster pump described in the starting flow control according to the real-time traffic with the booster pump and opens
It is dynamic, wherein the starting flow is the hot water flow threshold values after the booster pump is opened；The controller is also used to according to described in
The circulating pressure of real-time pressure and the circulation line controls the booster pump and closes, wherein the circulating pressure is described follows
The normal pressure on endless tube road.
Further, the controller is also used to be in water-use model and at least one in the central hot water gas heater
It is a it is described be in water spot open in the state of, and the real-time traffic and the starting flow meet following relationship time control
Make the pressurization pump startup:
Q≦Q1,
Wherein, Q is the real-time traffic, Q1For the starting flow.
Further, the controller is also used to control according to the circular flow of the real-time traffic and the circulation line
The booster pump is closed, wherein the circular flow is the normal flow of the circulation line.
Further, the controller is also used to be in water-use model and the use in the central hot water gas heater
Water spot is in close in the state of, and when real-time traffic and the circular flow meet following relationship, controls the increasing
Press pump is closed:
Q2- Δ≤Q≤Q2+ Δ,
Wherein, Q is the real-time traffic, Q2For the circular flow, Δ is circular flow regulated value.
Further, the controller is also used to be in water-use model and the use in the central hot water gas heater
Water spot is in close in the state of, and when real-time pressure and the circulating pressure meet following relationship, controls the increasing
Press pump is closed:
P1-β≦P≦P1+ β,
Wherein, P is the real-time pressure, P1For the circulating pressure, β is circulating pressure regulated value.
Further, the controller is also used to be in i.e. heat pattern and the use in the central hot water gas heater
Water spot is in the state of unlatching, and the real-time pressure and booster pump heat hydraulic pressure with water spot after pressurization
The central hot water gas heater is controlled when meeting following relationship, and the water-use model is switched to by the i.e. heat pattern:
P2-β≦P≦P2+ β,
Wherein, P is the real-time pressure, P2For the heat hydraulic pressure with water spot after pressurization, β is heat hydraulic pressure's adjusting
Value.
Further, the controller is also used to be in i.e. heat pattern and the use in the central hot water gas heater
Water spot is in the state of unlatching, and the real-time pressure and booster pump heat hydraulic pressure with water spot after pressurization
The central hot water gas heater is controlled when meeting following relationship, and the water-use model is switched to by the i.e. heat pattern:
Q3- Δ≤Q≤Q3+ Δ,
Wherein, Q is the real-time traffic, Q3For the hot water flow with water spot after pressurization, Δ is hot water flow adjusting
Value.
A kind of application system of central hot water gas heater provided by the utility model, the central hot water gas and hot water
The application system of device includes water inlet manifold, hot-water line, cold water pipe, multiple water spot and central hot water gas heaters, the heat
Water pipe is connect with the cold water pipe, multiple described to be parallel to the hot-water line and the cold water pipe with water spot.
The central hot water gas heater includes water heater body, cold water inlet pipe, hot water out pipe, heater, water flow
Sensor, pressure sensor, booster pump and controller.
The heater is set in the water heater body, and the water heater body is protruded into one end of the cold water inlet pipe
Interior and connect with the heater, the other end is connect with the water inlet manifold and the cold water pipe respectively, the hot water out pipe
One end is protruded into the water heater body and is connect with the heater, and the other end is connect with the hot-water line, the cold water into
Pipe, the heater, the hot water out pipe and the hot-water line and the cold water pipe form circulation line.
The water flow sensor, the pressure sensor and the booster pump are all set in the cold water inlet pipe, and
It is connect with the controller, the water flow sensor is used to detect the real-time traffic of water in the cold water inlet pipe, the pressure
Sensor is used to detect the real-time pressure of water in the cold water inlet pipe.
The controller is used for booster pump described in the starting flow control according to the real-time traffic with the booster pump and opens
It is dynamic, wherein the starting flow is the hot water flow threshold values after the booster pump is opened；The controller is also used to according to described in
The circulating pressure of real-time pressure and the circulation line controls the booster pump and closes, wherein the circulating pressure is described follows
The normal pressure on endless tube road.
Further, the application system of the central hot water gas heater further includes check valve, and the one of the hot-water line
End is connect by the check valve with the cold water pipe, and the check valve is for making the water in the hot-water line unidirectionally flow into institute
It states in cold water pipe.
Further, the application system of the central hot water gas heater further includes more hot water connecting tubes and Duo Gen cold
Water connecting tube, it is each it is described pass through the corresponding hot water connecting tube with water spot and connect with the hot-water line, Mei Gesuo
It states and passes through the corresponding cold water connecting tube with water spot and connect with the cold water pipe.
The beneficial effect of the utility model embodiment is:
Water inlet manifold enters in water heater body into cold water, cold water through cold water inlet pipe, and booster pump is for increasing water inlet
Pressure, flow of the water flow sensor for water in real-time detection cold water inlet pipe, obtains real-time traffic.Pressure sensor is for detecting
The pressure of water, obtains real-time pressure in cold water inlet pipe.Cold water in cold water inlet pipe passes through pressure sensor, booster pump and water flow
After sensor, into heater in heated, the hot water after heating flows into hot-water line by hot water out pipe, for water spot
It opens and uses.In not used hot water cold water pipe, the cold-water reflux in cold water pipe is again introduced into water heater sheet into cold water inlet pipe
It is heated in vivo, forms circulation.By controller, the starting flow control booster pump according to real-time traffic and booster pump is opened
It is dynamic, also, closed according to the circulating pressure of real-time pressure and circulation line control booster pump, opened so as to utilization with water spot,
The difference of front and back hot water flow is closed to control the start and stop of booster pump, realizes the flame-out shutdown of Guan Shuihou water heater, realizes automatic increase
Hot water flow is pressed, user's bathing experience is improved.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiment of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of the application system of central hot water gas heater provided by the embodiment of the utility model.
Fig. 2 is the pressure sensor of central hot water gas heater provided by the embodiment of the utility model, water flow sensing
The structural block diagram of device and booster pump and controller.
Fig. 3 is the flow diagram of the control method of central hot water gas heater provided by the embodiment of the utility model.
Fig. 4 is the first partial process of the control method of central hot water gas heater provided by the embodiment of the utility model
Block diagram.
Fig. 5 is the second local process of the control method of central hot water gas heater provided by the embodiment of the utility model
Block diagram.
Icon: the application system of 100- central hot water gas heater；110- water inlet manifold；The total inlet valve of 112-；120-
Hot-water line；130- cold water pipe；140- check valve；150- water spot；200- central hot water gas heater；210- water heater sheet
Body；220- cold water inlet pipe；221- cold valves；230- hot water out pipe；231- hot water valve；240- heater；250- water flow sensing
Device；260- pressure sensor；270- booster pump；280- controller.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term " on " is base
In orientation or positional relationship shown in the drawings or the utility model product using when the orientation usually put or position close
System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second ", " third " and " the 4th " etc. are only used for distinguishing description, and should not be understood as referring to
Show or imply relative importance.
In the description of the present invention, it should also be noted that, unless in addition having more specific regulation and limiting, term
" setting ", " connection " should do more broadly understanding, for example, " connection " may be a fixed connection, may be a detachable connection, or
It is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be by between intermediary
It connects connected, can be the connection inside two elements.For the ordinary skill in the art, can be understood with concrete condition
The concrete meaning of above-mentioned term in the present invention.
With reference to the accompanying drawing, it elaborates to an embodiment of the utility model, in the absence of conflict, under
The feature in embodiment stated can be combined with each other.
Fig. 1 is please referred to, a kind of application system 100 of central hot water gas heater is present embodiments provided comprising is total
Water inlet pipe 110, hot-water line 120, cold water pipe 130, check valve 140, multiple water spot 150 and central hot water gas heaters 200.
Wherein, water inlet manifold 110 is connect with central hot water gas heater 200, is used for central hot water gas heater
200 water inlets.Be provided with total inlet valve 112 on water inlet manifold 110, total inlet valve 112 for control the water inlet of water inlet manifold 110 or
It does not intake.
One end of hot-water line 120 is connect with central hot water gas heater 200, and the other end passes through check valve 140 and cold water
Pipe 130 connects, and check valve 140 reversely then ends for flowing into the water in hot-water line 120 unidirectionally in cold water pipe 130.It is cold
The one end of water pipe 130 far from check valve 140 is connect with central hot water gas heater 200, for water to be back to central hot water
Gas heater 200.
Hot-water line 120 is connect with cold water pipe 130, multiple to be parallel to hot-water line 120 and cold water pipe 130 with water spot 150.
It should be understood that each be provided with a hot water connecting tube and a cold water connecting tube with water spot 150.Its
In, one end of hot water connecting tube is connect with water spot 150, and the other end is connect with hot-water line 120, and hot water connecting tube is used for hot water
Hot water guiding water spot 150 in pipe 120.One end of cold water connecting tube is connect with water spot 150, the other end and cold water pipe 130
Connection, cold water connecting tube are used for the cold water guiding water spot 150 in cold water pipe 130.
Incorporated by reference to referring to Figures 1 and 2, central hot water gas heater 200 includes water heater body 210, cold water inlet pipe
220, cold valves 221, hot water out pipe 230, hot water valve 231, heater 240, water flow sensor 250, pressure sensor 260,
Booster pump 270 and controller 280.
Wherein, heater 240 is set in water heater body 210.Water heater body is protruded into one end of cold water inlet pipe 220
It is connect in 210 and with heater 240, the other end with water inlet manifold 110 and cold water pipe 130 for connecting respectively, hot water out pipe 230
One end protrude into water heater body 210 and connect with heater 240, the other end is used to connect with hot-water line 120.
Hot water valve 231 is set on hot water out pipe 230, for controlling whether hot water out pipe 230 exports hot water.Cold valves
221 are set on cold water inlet pipe 220, for controlling whether cold water inlet pipe 220 by the cold water of water inlet manifold 110 is directed into water heater
In ontology 210.
Cold water inlet pipe 220, heater 240, hot water out pipe 230, hot-water line 120, cold water pipe 130 are sequentially connected from head to tail to form
Circulation line indicates the water (flow) direction of circulation line referring to the arrow in Fig. 1.
Water flow sensor 250, pressure sensor 260 and booster pump 270 are all set in cold water inlet pipe 220, and with control
Device 280 processed connects.
Water flow sensor 250 is used to detect the real-time traffic of water in cold water inlet pipe 220.Pressure sensor 260 is for examining
Survey the real-time pressure of water in cold water inlet pipe 220.It should be noted that water flow sensor 250, pressure sensor 260, booster pump
270 can be set to simultaneously in water heater body 210, can also be set to simultaneously outside water heater body 210.In addition, water flow
The setting sequence of sensor 250, pressure sensor 260 and booster pump 270 is simultaneously not especially limited, and can be water flow sensor
250 are arranged closer to total inlet valve 112, and pressure sensor 260 is arranged closer to heater 240, i.e., cold water first passes through water flow
Sensor 250 passes through booster pump 270, again passes through pressure sensor 260；It is also possible to pressure sensor 260 closer to total
Inlet valve 112 is arranged, and water flow sensor 250 is arranged closer to heater 240, i.e., cold water first passes through pressure sensor 260, then
Booster water pump is flowed through, water flow sensor 250 is passed through.In the present embodiment, water flow sensor 250,260 and of pressure sensor
Booster pump 270 is all set in water heater body 210, and pressure sensor 260 is arranged closer to total inlet valve 112, water flow
Sensor 250 is arranged closer to heater 240.
In the state that total inlet valve 112, cold valves 221, hot water valve 231 are opened, water inlet manifold 110 is cold into cold water
Water enters in water heater body 210 through cold water inlet pipe 220, and booster pump 270 is for being pressurized water inlet, water flow sensor
250 flow for water in real-time detection cold water inlet pipe 220 obtains real-time traffic.Pressure sensor 260 for detect cold water into
The pressure of water, obtains real-time pressure in pipe 220.
Cold water in cold water inlet pipe 220 after pressure sensor 260, booster pump 270 and water flow sensor 250, into
Enter and heated in heater 240, the hot water after heating flows into hot-water line 120 by hot water out pipe 230, for water spot
150 open use.Not used hot water flows in cold water pipe 130 by check valve 140, and the cold-water reflux in cold water pipe 130 is extremely
It in cold water inlet pipe 220, is again introduced into water heater body 210 and heats, form circulation.
Controller 280 is used to start according to the starting flow control booster pump 270 of real-time traffic and booster pump 270, wherein
Starting flow is the hot water flow threshold values after booster pump 270 is opened.
Controller 280 is also used to close according to the circulating pressure of real-time pressure and circulation line control booster pump 270,
In, circulating pressure is the normal pressure of circulation line.
Controller 280 is also used to close according to the circular flow of real-time traffic and circulation line control booster pump 270,
In, circular flow is the normal flow of circulation line.
To which the central hot water gas heater 200 can utilize the pressure with 120 tunnel of hot-water line before and after 150 open and close of water spot
Power changes to control the start and stop of booster pump 270, realizes Automatic-boosting hot water flow.
Also it can use with the difference of hot water flow before and after 150 open and close of water spot and control the start and stop of booster pump 270, realize
Automatic-boosting hot water flow is realized in the flame-out shutdown of Guan Shuihou water heater.
Any condition or two kinds of conditions can also reached while being reached, Automatic-boosting hot water flow can be achieved.
It should be noted that circular flow is the normal flow of circulation line, for a structure and the certain (example of connection relationship
Such as duct length, pipe diameter size are certain) circulation line for, the normal flow of the circulation line be substantially it is certain, can
To be obtained ahead of time by test and calculating.
Likewise, circulating pressure is the normal pressure of circulation line, certain for a structure and connection relationship (such as pipeline
Length, pipe diameter size etc. are certain) circulation line for, the normal pressure of the circulation line be substantially it is certain, can pass through
Test and calculating are obtained ahead of time.
Further, central hot water gas heater 200 at least has water-use model and i.e. two kinds of working conditions of heat pattern.
It is divided to two operating modes below, central hot water gas heater 200 is specifically described respectively:
1. water-use model
Controller 280 is also used to be in water-use model in central hot water gas heater 200 and at least one uses water spot 150
In the state of opening, and real-time traffic starts with control booster pump 270 when flow meets following relationship is started:
Q≦Q1,
Wherein, Q is real-time traffic, Q1To start flow.
That is, when user opens with 150 hot water of water spot, when real-time traffic is less than or equal to opening for booster pump 270
Dynamic flow, then controller 280 controls booster pump 270 and starts, to be pressurized to hot water flow.
Controller 280 is also used to be in water-use model in central hot water gas heater 200 and be in water spot 150 and close
In the state of, and control booster pump 270 is closed when real-time traffic and circular flow meet following relationship:
Q2-Δ≦Q≦Q2+ Δ,
Wherein, Q is real-time traffic, Q2For circular flow, Δ is circular flow regulated value.
It should be noted that circular flow regulated value is that pre-trial or calculate obtains, according to the difference of circulation line,
Accordingly it is adjusted.In addition, after booster pump 270 is closed, Q=0 does not have water flow signal, central hot water combustion gas heat in pipeline
Hydrophone 200 is flame-out to shut down, and pressurization terminates.
Controller 280 is also used to be in water-use model in central hot water gas heater 200 and be in water spot 150 and close
In the state of, and control booster pump 270 is closed when real-time pressure and circulating pressure meet following relationship:
P1-β≦P≦P1+ β,
Wherein, P is real-time pressure, P1For circulating pressure, β is circulating pressure regulated value.
Controller 280 is also used to after switching to closed state by open state with water spot 150, controls central hot water combustion gas
Water heater 200 is flame-out to shut down, and does not enter i.e. heat pattern.User can also change default setting to enter i.e. heat pattern.
It should be noted that if default is again introduced into i.e. heat pattern by being that heat pattern jumps into water-use model, Guan Shuishi,
Complete the i.e. thermal cycle interrupted because being opened with water spot 150.It is not enter boost mode that user, which can also change default setting,.
2. i.e. heat pattern
That is heat pattern a kind of operating status for being central hot water gas heater 200, in such a mode, user are opened any
Hot water can be used with water spot 150.
Controller 280 is also used to according to i.e. hot service condition, and control booster pump 270 starts.
That is, controller 280 controls booster pump when central hot water gas heater 200 reaches i.e. hot service condition
270 startings.Wherein, i.e., hot service condition is preset service condition, can be and is accordingly arranged according to the water temperature of hot water, certainly
It is also possible to other parameters or other set-up modes.
Controller 280 is also used to be in i.e. heat pattern in central hot water gas heater 200 and be in water spot 150 and close
In the state of, and real-time traffic and circular flow meet the water in following relationship and circulation line and reach i.e. hot stop condition
When control booster pump 270 close:
Q2-Δ≦Q≦Q2+ Δ,
Wherein, Q is real-time traffic, and Q2 is circular flow, and Δ is circular flow regulated value.
It should be noted that real-time traffic and circular flow meet Q2-Δ≦Q≦Q2+ Δ, central hot water gas heater
200 run heat pattern in sight, and when the water in circulation line reaches i.e. hot stop condition, controller 280 controls booster pump 270
It closes.In addition, i.e. hot stop condition is preset stop condition, it can be and be accordingly arranged according to the water temperature of hot water, certainly
It can be other parameters or other set-up modes.After booster pump 270 is closed, central hot water gas heater 200 is flame-out to be shut down.
Controller 280 is also used to be in i.e. heat pattern in central hot water gas heater 200 and be in water spot 150 and open
In the state of, and real-time traffic and booster pump 270 meet following relationship time control with the hot water flow of water spot 150 after pressurization
Central hot water gas heater 200 processed is by being that heat pattern switches to water-use model:
Q3- Δ≤Q≤Q3+ Δ,
Wherein, Q is real-time traffic, Q3For the hot water flow for using water spot 150 after pressurization, Δ is hot water flow regulated value.
It should be noted that hot water flow regulated value is that pre-trial or calculate obtains, according to the difference of circulation line,
Accordingly it is adjusted.In addition, i.e. real-time traffic Q changes when unlatching water spot 150 under heat pattern, as Q3- Δ≤Q≤Q3+
When Δ, controller 280 controls central hot water gas heater 200 by being that heat pattern switches to water-use model.
Controller 280 is also used to be in i.e. heat pattern in central hot water gas heater 200 and be in water spot 150 and open
In the state of, and real-time pressure and booster pump 270 meet following relationship time control with the heat hydraulic pressure of water spot 150 after pressurization
Central hot water gas heater 200 processed is by being that heat pattern switches to water-use model:
P2-β≦P≦P2+ β,
Wherein, P is real-time pressure, P2For the heat hydraulic pressure for using water spot 150 after pressurization, β is heat hydraulic pressure's regulated value.
It should be noted that heat hydraulic pressure's regulated value is that pre-trial or calculate obtains, according to the difference of circulation line,
Accordingly it is adjusted.In addition, i.e. real-time pressure P changes when unlatching water spot 150 under heat pattern, work as P2-β≦P≦P2+β
When, controller 280 controls central hot water gas heater 200 by being that heat pattern switches to water-use model.
In conclusion central hot water gas heater 200 provided in this embodiment and its application system can use water
Difference and the pressure change of 150 open and close front and back hot water flow are put to control the start and stop of booster pump 270, realizes Guan Shuihou hot water
The flame-out shutdown of device realizes Automatic-boosting hot water flow, improves user's bathing experience.
Referring to figure 3., the control method of central hot water gas heater 200 provided in this embodiment introduced below, the control
Method processed includes:
Step S110 starts according to the starting flow control booster pump 270 of real-time traffic and booster pump 270, wherein starting
Flow is the hot water flow threshold values after booster pump 270 is opened.Step S110 is executed by controller 280.
Step S121 is closed, wherein circulation according to the circulating pressure of real-time pressure and circulation line control booster pump 270
Pressure is the normal pressure of circulation line.Step S121 is executed by controller 280.
Step S122 is closed, wherein circulation according to the circular flow of real-time traffic and circulation line control booster pump 270
Flow is the normal flow of circulation line.Step S122 is executed by controller 280.
Referring to figure 4., further, which can also be included in front of step S121 and step S122, carry out
Step S100 (not shown).
Step S100 judges that central hot water gas heater 200 is in water-use model or i.e. heat pattern.Work as central hot water
Gas heater 200 is in water-use model, executes step S110.Step S100 is executed by controller 280.
Further, in this embodiment step S110 includes:
Step S111 is in water-use model in central hot water gas heater 200 and at least one is in water spot 150 and is beaten
In the state of opening, and real-time traffic starts with control booster pump 270 when flow meets following relationship is started:
Q≦Q1,
Wherein, Q is real-time traffic, Q1To start flow.
Step S111 is executed by controller 280.
Further, in this embodiment step S121 may include step S1211.It can be executed after step S111
Step S1211.
Step S1211 is in water-use model in central hot water gas heater 200 and is in the shape closed with water spot 150
Under state, and control booster pump 270 is closed when real-time pressure and circulating pressure meet following relationship:
P1-β≦P≦P1+ β,
Wherein, P is real-time pressure, P1For circulating pressure, β is circulating pressure regulated value.
Step S1211 is executed by controller 280.
Step S122 may include step S1221.Step S1221 can be executed after step S111.
Step S1221 is in water-use model in central hot water gas heater 200 and is in the shape closed with water spot 150
Under state, and control booster pump 270 is closed when real-time traffic and circular flow meet following relationship:
Q2-Δ≦Q≦Q2+ Δ,
Wherein, Q is real-time traffic, Q2For circular flow, Δ is circular flow regulated value.
Step S1221 is executed by controller 280.
Step S130 controls central hot water gas heater after switching to closed state by open state with water spot 150
200 flame-out shutdown, do not enter i.e. heat pattern.Step S130 is executed by controller 280.
It should be noted that carrying out step S101 before step S130.
Step S101, judges whether central hot water gas heater 200 by i.e. heat pattern jumps into water-use model.If not
By being that heat pattern jumps into water-use model, step S130 is executed.Step S101 is executed by controller 280.
If executing step S102 by being that heat pattern jumps into water-use model.
Step S102 controls central hot water gas heater after switching to closed state by open state with water spot 150
200 defaults are again introduced into i.e. heat pattern.Complete the i.e. thermal cycle interrupted because being opened with water spot 150.
Referring to figure 5., in the step s 100, when judging that central hot water gas heater 200 is in i.e. heat pattern, step is executed
Rapid S140.
Step S140, according to i.e. hot service condition, control booster pump 270 starts.Step S140 is held by controller 280
Row.
Further, in this embodiment step S122 can also include step S1222.It can hold after step s 140
Row step S1212.
Step S1222 is in i.e. heat pattern in central hot water gas heater 200 and is in the shape closed with water spot 150
Under state, and real-time traffic and circular flow meet the water in following relationship and circulation line and reach i.e. hot stop condition time control
Booster pump 270 processed is closed:
Q2-Δ≦Q≦Q2+ Δ,
Wherein, Q is real-time traffic, and Q2 is circular flow, and Δ is circular flow regulated value.
Step S1222 is executed by controller 280.
Further, in this embodiment step S151 can be executed after step S1222.
Step S151 is in i.e. heat pattern in central hot water gas heater 200 and is in the state opened with water spot 150
Under, and control center when real-time traffic and booster pump 270 meet following relationship with the hot water flow of water spot 150 after pressurization
Hot water gas heater 200 is by being that heat pattern switches to water-use model:
Q3-Δ≦Q≦Q3+ Δ,
Wherein, Q is real-time traffic, Q3For the hot water flow for using water spot 150 after pressurization, Δ is hot water flow regulated value.
Step S151 is executed by controller 280.
Further, in this embodiment step S152 can be executed after step S1222.
Step S152 is in i.e. heat pattern in central hot water gas heater 200 and is in the state opened with water spot 150
Under, and control center when real-time pressure and booster pump 270 meet following relationship with the heat hydraulic pressure of water spot 150 after pressurization
Hot water gas heater 200 is by being that heat pattern switches to water-use model:
P2-β≦P≦P2+ β,
Wherein, P is real-time pressure, P2For the heat hydraulic pressure for using water spot 150 after pressurization, β is heat hydraulic pressure's regulated value.
Step S152 is executed by controller 280.
In conclusion the control method of central hot water gas heater 200 provided in this embodiment can use water spot
The difference or pressure change of hot water flow control the start and stop of booster pump 270 before and after 150 open and close, realize Guan Shuihou water heater
It is flame-out to shut down, it realizes Automatic-boosting hot water flow, promotes user's bathing experience.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of central hot water gas heater, applied to the application system of central hot water gas heater, the central hot water
The application system of gas heater includes water inlet manifold, hot-water line, cold water pipe and multiple with water spot, the hot-water line with it is described cold
Water pipe connection, it is multiple described to be parallel to the hot-water line and the cold water pipe with water spot, which is characterized in that the central hot water combustion
Gas water heater includes water heater body, cold water inlet pipe, hot water out pipe, heater, water flow sensor, pressure sensor, pressurization
Pump and controller；
The heater is set in the water heater body, and one end of the cold water inlet pipe is protruded into the water heater body simultaneously
It is connect with the heater, the other end is used to connect with the water inlet manifold and the cold water pipe respectively, the hot water out pipe
One end is protruded into the water heater body and is connect with the heater, and the other end is described cold for connecting with the hot-water line
Water inlet pipe, the heater, the hot water out pipe are used to form circulation line with the hot-water line and the cold water pipe；
The water flow sensor, the pressure sensor and the booster pump are all set in the cold water inlet pipe, and are set to
It in water heater body, and is connect with the controller, the water flow sensor is for detecting water in the cold water inlet pipe
Real-time traffic, the pressure sensor are used to detect the real-time pressure of water in the cold water inlet pipe；
The controller is used to be pressurized pump startup described in the starting flow control according to the real-time traffic and the booster pump,
In, the starting flow is the hot water flow threshold values after the booster pump is opened；The controller is also used to according to described real-time
Pressure and the circulating pressure of the circulation line control the booster pump and close, wherein the circulating pressure is the circulation pipe
The normal pressure on road；The controller is also used to according to described in the control of the circular flow of the real-time traffic and the circulation line
Booster pump is closed, wherein the circular flow is the normal flow of the circulation line.
2. central hot water gas heater as described in claim 1, which is characterized in that the controller is also used in described
Centre hot water gas heater be in water-use model and at least one it is described be in water spot open in the state of, and it is described real-time
Flow and the starting flow control the pressurization pump startup when meeting following relationship:
Q≤Q1,
Wherein, Q is the real-time traffic, and Q1 is the starting flow.
3. central hot water gas heater according to claim 1, which is characterized in that the controller is also used to described
Central hot water gas heater be in water-use model and it is described with water spot be in close in the state of, and the real-time traffic with
The circular flow controls the booster pump and closes when meeting following relationship:
Q2- Δ≤Q≤Q2+ Δ,
Wherein, Q is the real-time traffic, and Q2 is the circular flow, and Δ is circular flow regulated value.
4. central hot water gas heater as described in claim 1, which is characterized in that the controller is also used in described
Centre hot water gas heater be in water-use model and it is described be in closing with water spot in the state of, and the real-time pressure and institute
It states and controls the booster pump closing when circulating pressure meets following relationship:
P1- β≤P≤P1+ β,
Wherein, P is the real-time pressure, and P1 is the circulating pressure, and β is circulating pressure regulated value.
5. central hot water gas heater as claimed in claim 4, which is characterized in that the controller is also used in described
Entreat hot water gas heater be in i.e. heat pattern and it is described be in water spot open in the state of, and the real-time pressure and institute
State that booster pump is described after pressurization to control the central hot water gas and hot water when meeting following relationship with the heat hydraulic pressure of water spot
Device switches to the water-use model by the i.e. heat pattern:
P2- β≤P≤P2+ β,
Wherein, P is the real-time pressure, and P2 is the heat hydraulic pressure with water spot after pressurization, and β is heat hydraulic pressure's regulated value.
6. central hot water gas heater as claimed in claim 3, which is characterized in that the controller is also used in described
Entreat hot water gas heater be in i.e. heat pattern and it is described be in water spot open in the state of, and the real-time pressure and institute
State that booster pump is described after pressurization to control the central hot water gas and hot water when meeting following relationship with the heat hydraulic pressure of water spot
Device switches to the water-use model by the i.e. heat pattern:
Q3- Δ≤Q≤Q3+ Δ,
Wherein, Q is the real-time traffic, and Q3 is the hot water flow with water spot after pressurization, and Δ is hot water flow regulated value.
7. a kind of application system of central hot water gas heater, which is characterized in that the central hot water gas heater is answered
With system include water inlet manifold, hot-water line, cold water pipe, it is multiple use water spot and central hot water gas heater, the hot-water line with
Cold water pipe connection, it is multiple described to be parallel to the hot-water line and the cold water pipe with water spot；
The central hot water gas heater includes water heater body, cold water inlet pipe, hot water out pipe, heater, water flow sensing
Device, pressure sensor, booster pump and controller；
The heater is set in the water heater body, and one end of the cold water inlet pipe is protruded into the water heater body simultaneously
It is connect with the heater, the other end is connect with the water inlet manifold and the cold water pipe respectively, one end of the hot water out pipe
It protrudes into the water heater body and is connect with the heater, the other end is connect with the hot-water line, the cold water inlet pipe, institute
It states heater, the hot water out pipe and the hot-water line and the cold water pipe forms circulation line；
The water flow sensor, the pressure sensor and the booster pump are all set in the cold water inlet pipe, and are set to
It in water heater body, and is connect with the controller, the water flow sensor is for detecting water in the cold water inlet pipe
Real-time traffic, the pressure sensor are used to detect the real-time pressure of water in the cold water inlet pipe；
The controller is used to be pressurized pump startup described in the starting flow control according to the real-time traffic and the booster pump,
In, the starting flow is the hot water flow threshold values after the booster pump is opened；The controller is also used to according to described real-time
Pressure and the circulating pressure of the circulation line control the booster pump and close, wherein the circulating pressure is the circulation pipe
The normal pressure on road；The controller is also used to according to described in the control of the circular flow of the real-time traffic and the circulation line
Booster pump is closed, wherein the circular flow is the normal flow of the circulation line.
8. the application system of central hot water gas heater as claimed in claim 7, which is characterized in that the central hot water combustion
The application system of gas water heater further includes check valve, and one end of the hot-water line is connected by the check valve and the cold water pipe
It connects, the check valve is for flowing into the water in the hot-water line unidirectionally in the cold water pipe.
9. the application system of central hot water gas heater as claimed in claim 7, which is characterized in that the central hot water combustion
The application system of gas water heater further includes more hot water connecting tubes and Duo Gen cold water connecting tube, each described to pass through one with water spot
The corresponding hot water connecting tube of root is connect with the hot-water line, each described to pass through the corresponding cold water with water spot
Connecting tube is connect with the cold water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721825851.5U CN208751007U (en) | 2017-12-21 | 2017-12-21 | Central hot water gas heater and its application system |
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|---|---|---|---|
| CN201721825851.5U CN208751007U (en) | 2017-12-21 | 2017-12-21 | Central hot water gas heater and its application system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110319594A (en) * | 2019-07-08 | 2019-10-11 | 芜湖美的厨卫电器制造有限公司 | Supercharging device and control method, water heater and storage medium for water heater |
| CN111707006A (en) * | 2020-05-29 | 2020-09-25 | 珠海格力电器股份有限公司 | Water outlet control method and device, water heater, storage medium and processor |
| CN117948720A (en) * | 2024-03-27 | 2024-04-30 | 杭州老板电器股份有限公司 | Control method of gas water heater and gas water heater applying same |
-
2017
- 2017-12-21 CN CN201721825851.5U patent/CN208751007U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110319594A (en) * | 2019-07-08 | 2019-10-11 | 芜湖美的厨卫电器制造有限公司 | Supercharging device and control method, water heater and storage medium for water heater |
| CN111707006A (en) * | 2020-05-29 | 2020-09-25 | 珠海格力电器股份有限公司 | Water outlet control method and device, water heater, storage medium and processor |
| CN111707006B (en) * | 2020-05-29 | 2021-06-01 | 珠海格力电器股份有限公司 | Water outlet control method and device, water heater, storage medium and processor |
| CN117948720A (en) * | 2024-03-27 | 2024-04-30 | 杭州老板电器股份有限公司 | Control method of gas water heater and gas water heater applying same |
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