CN108458487A - A kind of intelligent hot water circulator and system and its control method - Google Patents
A kind of intelligent hot water circulator and system and its control method Download PDFInfo
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- CN108458487A CN108458487A CN201810364572.6A CN201810364572A CN108458487A CN 108458487 A CN108458487 A CN 108458487A CN 201810364572 A CN201810364572 A CN 201810364572A CN 108458487 A CN108458487 A CN 108458487A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
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- 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)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The present invention relates to a kind of hot water circulating device, includes water tank and there is cooling water inlet, loop exit, recycle import, be recycled back to the mouth of a river and hot water outlet；Water tank has hot water mouth, water outlet, circulating water mouth and electric calorifie installation；For cold water source by cooling water inlet through its two first interface for connecing electric T-shaped valve of one of three-way interface sum, the second interface of electric T-shaped valve connects circulating water mouth, and the three of the interface of threeway connects through circulating pump and is recycled back to the mouth of a river；The third interface of electric T-shaped valve connects low temperature import through loop exit, and hot water mouth connects hot outlet through recycling import, and water outlet is connect by hot-water line after hot water outlet and uses water spot;Neighbouring branched out with the hot-water line of water spot connects the return pipe for being recycled back to the mouth of a river.The present invention effectively prevents frequent start-stop machine caused by discharging water in short-term and interrupts heating while ensuring instant-heating, constant temperature comfortable hot water.
Description
Technical field
The present invention relates to a kind of hot-water heating system, the hot water circulating device and system of especially a kind of instant-heating are given simultaneously
Discharge control method belongs to technical field of water heaters.
Background technology
With the raising of quality of the life, user is no longer satisfied with simple hot water supply to the requirement of domestic hot water,
It is comfortable gradually to pursue instant-heating, big flow, constant temperature.Traditional gas heater and its house ornamentation mode be not with respect to this development
Transformation, so that user has to first bleed off the cold water in pipeline when with hot water, as a result causes：1）Heat cannot be obtained in time
Water needs to wait for；2）The cold water bled off is wasted；3）Water temperature is easy fluctuation, and comfort level is low；4）On a small quantity combustion gas is also resulted in water
Machine frequent starting not only generates operation noise, and influences the service life；5）When have it is multiple with water spot while with water when, inevitable water is not
Enough or water temperature is relatively low.
In order to solve the above-mentioned problems of the prior art, Project Realization instant-heating mainly takes following two at present
Method：First, hot water buffer method, i.e., install attemperater below washbasin etc., cold water enters water tank and mixes buffering with high-temperature water
Afterwards for users to use, this method needs substantially water tank when pipeline is longer, and installation space is limited, and need to be in each washbasin etc
All installation attemperater just can ensure that corresponding leading instant-heating at facility, can not avoid gas engine frequent start-stop；Second is that cycle
Residual cold water in hot-water line is sent to water heater by pump and resupplies user's use after heating by heating, this method cannot solve
The problem of certainly sometimes hot and sometimes cold and gas engine frequent start-stop.
Retrieval finds that application No. is 201320058861.6 Chinese patent literatures to disclose a kind of central hot-water system,
It is carried including heating source, water tank, central controller, the heated probe in water tank, magnesium stick, and to central hot-water system
Watering into cold water pipe；Heating source is connected by heating the cold water water outlet and water inlet of hot water of pipeline and water tank, is constituted
Heating circuit；Water tank is by hot water outlet and is recycled back to the mouth of a river and is connect with circulation line, constitutes confession/water return loop；Into cold
Water pipe is equipped with the first triple valve, other two port of the triple valve is separately connected water tank cold water inlet and water heater bypass
Pipe, the water heater bypass pipe pass through the second triple valve and heating piping connection.Due to gas heater with water terminal it
Between water tank is set, when using a small amount of hot water, it is not necessary to start water heater heating, provide hot water by water tank, reduce water heater
I.e. thermal power pressure.Water circulating pump can preheat water tank and reduce water using water terminal instant-heating to the cold water for using water terminal
The waste of resource.Heating pump can preheat the water in water tank, have largely using hot water when, cold water by hot water bypass line into
Enter gas heater, water tank is entered back into after heated.Although fluctuating temperature when the technical solution can theoretically alleviate i.e. hot
The problem of, but had the following problems when implementation：1）Water tank circulation heating tube and hot water circulating pipeline are mutual indepedent, therefore need two
Pump circulation pipeline is covered, it is complicated of high cost, and be not suitable for being transformed on the original basis；2）Using water tank as cycling hot
Source, cycle pipe range are limited by water tank capacity, and when water tank capacity design is less than normal, one cycle cannot reach pipeline circulating-heating and want
Ask, need by after heating water tanks could circulation heating tube again, cycle period is longer, is occupied if waterbox design capacity is bigger than normal
Installation space is larger.
Invention content
In view of the above-mentioned problems of the prior art, propose it is a kind of being suitable for various house types and hot water pipe range, not only can be with
It realizes each equal instant-heating of water spot, the comfortable hot water of constant temperature, and discharges water in short-term and the heating of frequent start-stop machine and will not interrupt and adopt
Warm intelligent hot water circulator and system, and provide its control method.
In order to achieve the above object, hot water circulating device of the invention include water tank and with cooling water inlet, loop exit,
Cycle import is recycled back to the mouth of a river and hot water outlet；The water tank has hot water mouth, water outlet, circulating water mouth and electric heating
Device；Cold water source is by cooling water inlet through its two first interface for connecing electric T-shaped valve of one of three-way interface sum, the electric three passes
The second interface of valve connects circulating water mouth, and the three of the interface of the threeway connects through circulating pump and is recycled back to the mouth of a river；The electric three passes
The third interface of valve connects low temperature import through loop exit, and the hot water mouth connects hot outlet, the water outlet warp through recycling import
It is connect by hot-water line after hot water outlet and uses water spot;Neighbouring branched out with the hot-water line of water spot connects the return pipe for being recycled back to the mouth of a river.
The hot water cyclesystem of the present invention includes heating/hot water supply gas furnace and hot water circulating device, the dual-purpose combustion gas
Stove has constitutes the heating outlet of heating cycle and heating is answered back and low temperature import and hot outlet with heating pipeline；The water
There is case hot water mouth, water outlet, circulating water mouth and electric calorifie installation, the hot water circulating device to have cooling water inlet, cycle
It exports, recycle import, be recycled back to the mouth of a river and hot water outlet；By cooling water inlet, through one of three-way interface sum, it two connects electricity to cold water source
The second interface of the first interface of dynamic triple valve, the electric T-shaped valve connects circulating water mouth, three warps of the interface of the threeway
Circulating pump, which connects, is recycled back to the mouth of a river；The third interface of the electric T-shaped valve connects low temperature import, hot water mouth's warp through loop exit
Cycle import connects hot outlet, and the water outlet, which is connect after hot water outlet by hot-water line, uses water spot;The hot water of neighbouring water spot
Pipe, which branches out, connects the return pipe for being recycled back to the mouth of a river.
As long as in this way, the access switching and the start and stop of circulating pump of suitable control electric T-shaped valve, you can realize to each use
Water spot provide instant-heating, constant water temperature comfortable hot water, since whole system only needs a circulating pump, pipeline structure it is simple and
It is not influenced by family's connecting pipe length, you can fast implement water tank, Water pipe heating cycle, therefore with cost economy, just
Discharging water in pipeline transformation and in short-term many remarkable advantages such as will not cause frequent start-stop, take into account heating.
Present system further improves：The cold water source is through cooling water inlet and flow sensor（FL）It is followed by threeway
One of interface, it is described to be recycled back to mouth of a river temperature sensor by the road（T1）The circulating pump is connect with check valve, on the water tank
Equipped with water tank temperature sensor（T2）；The signal of the water tank temperature sensor, line temperature sensor and flow sensor
The correspondence signal input part of intelligent control device in output end connection control circuit, the corresponding control output of the intelligent control device
End connects the controlled end of electric T-shaped valve, circulating pump and electric calorifie installation respectively.
Intelligentized control may be implemented in this way, such as preferably：When user discharges water on a small quantity, as long as control electric three passes
First and second interfaces of valve are connected, so that it may realize that cold water enters water tank through threeway → electric T-shaped valve → circulating water mouth, by
Water outlet of water tank is after hot water outlet by hot-water line to water spot supplying hot water；When user largely uses water, as long as control is electronic
First and third interface of triple valve are connected, so that it may with realize cold water through threeway → electric T-shaped valve → loop exit → low temperature into
Mouth → cold water by wall-hung boiler be heated into hot water → hot outlet → cycle import → hot water mouth → enter water tank, by water outlet of water tank
It is connect by hot-water line after hot water outlet and is used for user's hot water with water spot.And when user does not discharge water, it can select with water tank
Electric heating is that heat-source Cycles heat pipeline, forms water outlet of water tank return pipe → cycle that → hot-water line → branches out through hot water outlet
The Water pipe heating circulation line of water return outlet → circulating pump → threeway → electric T-shaped valve → water tank circulating water mouth；Or with heating heat
Water two purpose gas burning stove is that heat-source Cycles heat pipeline, formation water outlet of water tank → hot-water line → return water branched out through hot water outlet
The mouth of a river → circulating pump → threeway → electric T-shaped valve → loop exit → low temperature import → cold water is managed → is recycled back to by wall-hung boiler to be added
Heat is at hot water → hot outlet → cycle import → hot water mouth → enter water tank and water pipe heat cycles circuit simultaneously.As a result make each
With water spot can instant-heating obtain the comfortable hot water of constant temperature, and discharge water in short-term will not frequent start-stop machine heating, will not interfere
Heating.
When actual motion, the basic control of the intelligent control device carries out according to the following steps：
The first step, the detectable signal for receiving water tank temperature sensor, line temperature sensor and flow sensor；
Second step judges whether the instantaneous flow rate signal of flow sensor is less than setting value, is determined as static state if being judged as YES,
Carry out the 8th step；If being judged as otherwise judging that dynamic discharges water, carry out in next step；
Third step, judge discharge water initial predetermined time interval total flow whether be greater than the set value or water tank temperature sensor visit
Whether whether the temperature signal fall off rate of survey is more than the temperature signal that set rate or water tank temperature sensor detect, which is less than, sets
Definite value；It is to be judged to largely using water to be such as judging result, into the 5th step；If judging result is otherwise to be judged to using on a small quantity
Water, into next step；
4th step, electric T-shaped valve first interface and second interface conducting, cold water source by one of three-way interface and interface two,
The first and second interface of electric T-shaped valve enters water tank through circulating water mouth, passes through heat after hot water outlet by water outlet of water tank
Water pipe carries out the 6th step later to water spot supplying hot water；
5th step, electric T-shaped valve first interface and the conducting of third interface；It carries out later in next step；
6th step judges whether instantaneous flow rate signal that flow sensor transmits is less than setting value, is such as judged as otherwise returning the
Three steps；If being judged as YES, carry out in next step；
7th step, electric T-shaped valve first interface and second interface conducting, return to the first step；
8th step, judge selected by circulation heating tube main heat source as electric heating or heating/hot water supply gas furnace, when judging main heat
When source is electric heating, then heating water tanks and pipeline circulating-heating are controlled one after another；When judging main heat source for heating/hot water supply gas furnace
When, then directly control pipeline circulating-heating；The first step is returned later.
It is during the control after being determined as static state, to monitor flow sensor in real time that the present invention, which further improves, when
When instantaneous flow rate signal is greater than the set value, the rate-determining steps that dynamically discharge water are switched to.
The present invention further improves：Control heating water tanks and the pipeline circulating-heating preferred steps one after another are：
Step 1: judging whether the temperature signal of water tank temperature sensor detection is less than setting value, such as it is judged as otherwise being walked
Rapid five；Such as it is judged as YES progress in next step；
Step 2: opening water tank electric calorifie installation, carry out later in next step；
Step 3: judging whether the temperature signal of water tank temperature sensor detection is higher than the sum of setting value and first predetermined value, such as
It is judged as otherwise returning to previous step；If being judged as YES, carry out in next step；
Step 4: closing electric calorifie installation, carry out later in next step;
Step 5: judging whether the temperature signal of line temperature sensor detection is less than setting value, such as it is judged as otherwise returning to
The first step；If being judged as YES, carry out in next step；
Step 6: the first and second interface of electric T-shaped valve is connected, pump startup is recycled；It carries out later in next step；
Step 7: judging whether the temperature signal of water tank temperature sensor detection is walked less than setting value if being judged as YES
Rapid nine；Such as it is judged as otherwise carrying out next step；
Step 8: judging whether the temperature signal of line temperature sensor detection is higher than the sum of setting value and second predetermined value, such as
It is judged as otherwise return to step six；Such as it is judged as YES carry out step 11；
Step 9: electric T-shaped valve first and the conducting of third interface；It carries out later in next step；
Step 10: judging whether the temperature signal of line temperature sensor detection is higher than the sum of setting value and second predetermined value, such as
It is judged as otherwise returning to previous step；If being judged as YES, next step is carried out；
Step 11: closing circulating pump, the conducting of the first and second interface of electric T-shaped valve returns to the first step later.
It is that directly control the hydronic preferred steps of pipeline as follows that the present invention, which further improves,：
Step by step one, judge whether the temperature signal of line temperature sensor detection is less than setting value, be such as judged as otherwise returning to
The first step；If being judged as YES, next substep is carried out；
Two, electric T-shaped valve first and the conducting of third interface step by step, recycle pump startup；It carries out later in next step；
Step by step three, judge whether the temperature signal of line temperature sensor detection is higher than the sum of setting value and second predetermined value, such as
It is judged as otherwise returning to a substep；It is such as judged as YES and carries out next substep；
Step by step four, circulating pump is closed, the conducting of the first and second interface of electric T-shaped valve returns to the first step later.Due to discharging water
In the process, when intelligent control device judges a small amount of hot water of user demand, cold water is made all to be passed through water tank control, by water tank
Hot water directly for users to use, to avoid gas two-purpose gas furnace frequent starting；When judging a large amount of hot water of user demand,
Make cold water be passed through after gas two-purpose combustion gas stove heat control to enter back into water tank, later for users to use, meet and continue constant temperature heating
Water demand；Therefore while ensuring instant-heating, constant temperature comfortable hot water, the caused frequent start-stop that discharges water in short-term is effectively prevented
Machine and interrupt heating.In addition, user can be selected according to different demands using wall-hung boiler as main heat source or based on electric heating it is hot
Source carries out pipeline circulating-heating.When using electric heating as main heat source heat cycles pipeline, water tank electrical heat energy meets pipe when pipeline is shorter
Road cycle requires；When cycle is not yet completed on pipeline long pipe road and water tank temperature is reduced to set temperature, switch to heating hot water
Two purpose gas burning stove is that main heat source is heated, to rationally meet the circulating-heating requirement of different house types, different pipe ranges.
Preferably：2-3 DEG C of temperature signal fall off rate 30s ~ 45s temperature drops of temperature sensor detection, first predetermined value model
It is 5-10 DEG C to enclose, ranging from 3-5 DEG C of second predetermined value.
Description of the drawings
Fig. 1 is that the system of one embodiment of the invention constitutes structural schematic diagram.
Fig. 2 is the basic control process flow chart of Fig. 1 embodiments.
Fig. 3 is that Fig. 1 embodiments directly control pipeline circulating-heating flow chart.
Fig. 4 is the heating water tanks and pipeline circulating-heating control flow chart of Fig. 1 embodiments.
Fig. 5 is the control circuit schematic diagram of Fig. 1 embodiments.
Specific implementation mode
The intelligent hot water circulatory system of the present embodiment is as shown in Figure 1, include wall-hung heating hot water two purpose gas furnace A（Letter
Claim wall-hung boiler）With hot water circulating device R（This hot water circulating device can not only match use with wall-hung boiler, and can be with combustion gas heat
Hydrophone matching uses, and can equally reach the demand of instant-heating, comfortable thermostat hot water supply）.
Wall-hung boiler A has constitutes the heating outlet and heating is answered back and low temperature import A-1 that heating recycles with heating pipeline G
With hot outlet A-2.
Hot water circulating device R includes water tank 1, and has cooling water inlet 6, loop exit 7, cycle import 8, is recycled back to the mouth of a river
9 and hot water outlet 10.Water tank has hot water mouth 1-1, water outlet 1-2, has both and is recycled back to the mouth of a river and cooling water inlet function
Circulating water mouth 1-3 and electric calorifie installation h.Cold water source by cooling water inlet 6 and flow sensor FL, again through one of three-way interface 4-
Its two 4-2 of 1 sum meets the first interface 3-A of electric T-shaped valve, and the second interface 3-B of electric T-shaped valve meets circulating water mouth 1-3, and three
Three 4-3 of logical interface connect through circulating pump 5 is recycled back to the mouth of a river 9；The third interface 3-C of electric T-shaped valve connects low through loop exit 7
Warm import A-1, hot water mouth 1-1 meet hot outlet A-2 through recycling import 8, and water outlet 1-2 passes through hot-water line after hot water outlet 10
H, which connects, uses water spot;Neighbouring branched out with the hot-water line of water spot meets the return pipe F for being recycled back to the mouth of a river 9.
Also, being recycled back to the mouth of a river 9, temperature sensor T1 and check valve are followed by circulating pump 5 by the road（Actually check valve can
In any position of hot-water line H and circulation line F）, so that it is guaranteed that the water (flow) direction of hot-water line and return pipe and circulating pump are just
It is consistent to cycle.Water tank temperature sensor T2 is housed on water tank 1.
The control circuit of the present embodiment is as shown in figure 5, include intelligent device --- the control module that chip D1 is constituted, respectively
The temperature detection module of external temperature sensor T1, T2 and flow sensor FL, circulating pump, electric calorifie installation and electric T-shaped valve it is controlled
Module, also power module and display board communication module.Water tank temperature sensor T2, line temperature sensor T1 and flow pass
The signal input part of intelligent device D1 in the signal output end connection control circuit of sensor FL, the control output end point of the intelligent device
The controlled end of circulating pump 5 and electric calorifie installation and electric T-shaped valve is not connect.In view of the specific connection of control circuit schematic diagram and letter
Number transmission relationship etc. is easy according to the prior art and to the understanding of technical solution, therefore is not described in detail.When control electric T-shaped valve is in
When interface 3-A and interface 3-B connected states, formed water outlet of water tank 1-2 through 10 → hot-water line of hot water outlet H → returning of branching out
4-3 to 4-2 → electric T-shaped valve interface 3-A to interface 3-B of water pipe F → the be recycled back to mouth of a river 9 → circulating pump, 5 → three-way interface →
Water tank circulating water mouth is recycled by the pipeline heating of heat source of water tank.When control electric T-shaped valve is in interface 3-A and interface
When 3-C connected states, forming water outlet of water tank 1-2, → the return pipe F branched out → is recycled back to through 10 → hot-water line of hot water outlet H
4-3 to 4-2 → electric T-shaped valve interface 3-A of the mouth of a river 9 → circulating pump, 5 → three-way interface is to interface 3-C → loop exit 7 → low
Warm import A-1 → cold water by wall-hung boiler be heated into hot water → hot outlet A-2 → cycle 8 → hot water mouth of import 1-1 → enter water
The circulation loop that case 1 is heated water tank and water pipe as heat source using wall-hung boiler simultaneously.
When operation, the basic control of intelligent control device is as shown in Fig. 2, step is：
The first step, the detectable signal for receiving water tank temperature sensor, line temperature sensor and flow sensor；
Second step judges whether the instantaneous flow rate signal FL of flow sensor is less than setting value FLs, is determined as if being judged as YES
Static state carries out the 8th step；If being judged as otherwise being determined as that dynamic discharges water, carry out in next step；If during entire static logic
There is user to discharge water, i.e. the instantaneous flow rate signal of sensor is greater than the set value, then switches to the logic that dynamically discharges water by static state;
Third step, the initial predetermined time interval that judges to discharge water total flow AFL whether be greater than the set value AFLs or water tank temperature and pass
What whether the temperature signal T2 fall off rates of sensor detection detected more than 2 DEG C of set rate 45s temperature drops or water tank temperature sensor
Whether temperature signal T2 is less than setting value T2s；It is to be judged to largely using water to be such as judging result, into the 5th step；As judged
As a result it is to be otherwise judged to using water on a small quantity, into next step；
4th step, electric T-shaped valve first interface 3-A and second interface 3-B conducting, cold water source by one of three-way interface 4-1 and
Two 4-2 of interface, the first and second interface of electric T-shaped valve enter water tank 1 through circulating water mouth 1-3, by 1 water outlet 1- of water tank
2 after hot water outlet 10 by hot-water line H to water spot supplying hot water, carry out the 6th step later；
5th step, electric T-shaped valve first interface 3-A and the 3-C conductings of third interface, cold water is through one of three-way interface 4-1 and interface
Two 4-2 → electric T-shaped valve first and third interface → 7 → low temperature of loop exit import A-1 → cold water be heated by wall-hung boiler
Hot water → hot outlet A-2 → cycle 8 → hot water mouth of import 1-1 → enter water tank 1, then gone out through hot water by water outlet of water tank 1-2
Water tank is passed through again to water spot to water spot supplying hot water, forming cold water source and be passed through after wall hanging stove heat by hot-water line H after mouthfuls 10
The access of supplying hot water；It carries out later in next step；
6th step judges whether the instantaneous flow rate signal FL that flow sensor transmits is less than setting value FLs, is such as judged as otherwise returning
Return third step；If being judged as YES, carry out in next step；
7th step, electric T-shaped valve first interface 3-A and second interface 3-B conductings, return to the first step；
8th step, judge selected by circulation heating tube main heat source as electric heating or heating/hot water supply gas furnace, when judging main heat
When source is electric heating, then heating water tanks and pipeline circulating-heating are controlled one after another；When judging main heat source for heating/hot water supply gas furnace
When, then directly control pipeline circulating-heating；The first step is returned later.
The hydronic specific steps of the heating water tanks of control one after another and pipeline of the present embodiment are as shown in Figure 4：
Step 1: judge water tank temperature sensor detection temperature signal T2 whether be less than setting value T2s, be such as judged as otherwise into
Row step 5（Control carries out pipeline circulating-heating）；Such as it is judged as YES progress in next step；
Step 2: opening the electric calorifie installation of water tank, carry out later in next step；
Step 3: judging the temperature signal T2 of water tank temperature sensor detection whether higher than 5 DEG C of setting value T2s and first predetermined value
The sum of, such as it is judged as otherwise returning to previous step；If being judged as YES, carry out in next step；
Step 4: closing electric calorifie installation, carry out later in next step;
Step 5: judging whether the temperature signal of line temperature sensor detection is less than setting value, such as it is judged as otherwise returning to
The first step；If being judged as YES, carry out in next step；
Step 6: electric T-shaped valve first interface 3-A and second interface 3-B conductings, circulating pump 5 start, water outlet of water tank is formed
1-2 is through 10 → hot-water line of hot water outlet H, and → the return pipe F branched out → is recycled back to the three of the mouth of a river 9 → circulating pump, 5 → three-way interface
The Water pipe heating of 4-3 sums its two 4-3 → electric T-shaped valve first interface 3-A and second interface 3-B → water tank circulating water mouth 1-3
Circulation line；It carries out later in next step；
Step 7: judge water tank temperature sensor detection temperature signal T2 whether be less than setting value T2s, if being judged as YES into
Row step 9；Such as it is judged as otherwise carrying out next step；
Step 8: judging the temperature signal T1 of line temperature sensor detection whether higher than 3 DEG C of setting value T1s and second predetermined value
The sum of, such as it is judged as otherwise return to step six；Such as it is judged as YES carry out step 11；
Step 9: electric T-shaped valve first interface 3-A and the 3-C conductings of third interface, form water outlet of water tank 1-2 through hot water outlet
10 → hot-water line H → the return pipe F branched out → be recycled back to the mouth of a river 9 → circulating pump, 5 → three-way interface three 4-3 and interface two
4-2 → electric T-shaped valve first interface 3-A and third interface 3-C → 7 → low temperature of loop exit import A-1 → cold water is by wall-hung boiler
It is heated into hot water → hot outlet A-2 → cycle 8 → hot water mouth of import 1-1 → enter water tank, is heat source by water tank using wall-hung boiler
The circulation loop heated simultaneously with the water in water pipe；It carries out later in next step；
Step 10: judging the temperature signal T1 of line temperature sensor detection whether higher than 3 DEG C of setting value T1s and second predetermined value
The sum of, such as it is judged as otherwise returning to previous step；If being judged as YES, next step is carried out；
Step 11: closing circulating pump, electric T-shaped valve first interface 3-A and second interface 3-B conductings return to first later
Step.
The present embodiment directly controls pipeline circulating-heating as shown in figure 3, detailed process is as follows：
Step by step one, judge whether the temperature signal T1 of line temperature sensor detection is less than setting value T1s, be such as judged as otherwise returning
Return to the first step；If being judged as YES, next substep is carried out；
Two, electric T-shaped valve first interface 3-A and the 3-C conductings of third interface step by step, recycle pump startup, form water outlet of water tank 1-
2 through 10 → hot-water line of hot water outlet H, and → the return pipe F branched out → is recycled back to three 4- of the mouth of a river 9 → circulating pump, 5 → three-way interface
3 and interface two 4-2 → electric T-shaped valve first interface and third interface → 7 → low temperature of loop exit import A-1 → cold water by
Wall-hung boiler be heated into hot water → hot outlet A-2 → cycle 8 → hot water mouth of import 1-1 → enter water tank, using wall-hung boiler as heat source
The circulation loop that water tank and water pipe are heated simultaneously；It carries out later in next step；
Step by step three, judge whether the temperature signal T1 of line temperature sensor detection is higher than 3 DEG C of setting value T1s and second predetermined value
The sum of, such as it is judged as otherwise returning to a substep；It is such as judged as YES and carries out next substep；
Step by step four, circulating pump, electric T-shaped valve first interface 3-A and second interface 3-B conductings are closed, returns to first later
Step.
Certainly, heating water tanks and pipeline circulating-heating are controlled one after another, and directly control pipeline circulating-heating, it is all unlimited
In above-mentioned intelligent control process, the thinking manual mode operation or other similar fashions that are referred to above-mentioned intelligent control are realized.
Experiment proves, after the above-mentioned control of the present embodiment, it is comfortably hot not only reliably to realize instant-heating, constant temperature
Water, and discharge water the heating of frequent start-stop machine and heating will not be interrupted in short-term.When discharging water, when the intelligent control device of control circuit
When judging a small amount of hot water of user demand, control makes cold water all be passed through water tank, directly for users to use by the hot water in water tank, from
And avoid gas two-purpose gas furnace frequent starting；When judging a large amount of hot water of user demand, control makes cold water be passed through gas two-purpose
Water tank, later for users to use is entered back into after combustion gas stove heat, is met and is continued constant-temperature hot water demand.
Especially, user can select to carry out using wall-hung boiler as main heat source or by main heat source of electric heating according to different demands
Pipeline circulating-heating.When using electric heating as main heat source heat cycles pipeline, water tank electrical heat energy meets pipeline cycle when pipeline is shorter
It is required that；When pipeline long pipe road not yet complete cycle and water tank temperature be reduced to set temperature when, turn wall-hung boiler be main heat source into
Row heating adapts to the cycle requirement of different house type difference pipe ranges using this scheme.
Claims (8)
1. a kind of intelligent hot water circulator, includes water tank（1）It is characterized in that：Also there is cooling water inlet（6）, loop exit
（7）, cycle import（8）, be recycled back to the mouth of a river（9）And hot water outlet（10）；The water tank has hot water mouth（1-1）, water outlet
（1-2）, circulating water mouth（1-3）And electric calorifie installation（h）；Cold water source is by cooling water inlet through one of three-way interface（4-1）And it
Two（4-2）Connect the first interface of electric T-shaped valve（3-A）, the second interface of the electric T-shaped valve（3-B）Circulating water mouth is connect,
The three of the interface of the threeway are through circulating pump（5）It connects and is recycled back to the mouth of a river；The third interface of the electric T-shaped valve（3-C）Through cycle
Outlet connects low temperature import, and the hot water mouth connects hot outlet through recycling import, and the water outlet passes through hot water after hot water outlet
Pipe（H）It connects and uses water spot;Neighbouring branched out with the hot-water line of water spot connects the return pipe for being recycled back to the mouth of a river（F）.
2. a kind of intelligent hot water circulatory system, including heating/hot water supply gas furnace（A）And hot water circulating device（R）, described two
Have with gas furnace and heating pipeline（G）It constitutes the heating outlet of heating cycle and heating is answered back and low temperature import（A-1）With
Hot outlet（A-2）；The water tank has hot water mouth（1-1）, water outlet（1-2）, circulating water mouth（1-3）And electric calorifie installation
（h）, it is characterised in that：The hot water circulating device has cooling water inlet（6）, loop exit（7）, cycle import（8）, be recycled back to
The mouth of a river（9）And hot water outlet（10）；Cold water source is by cooling water inlet through one of three-way interface（4-1）Sum it two（4-2）It connects electronic
The first interface of triple valve（3-A）, the second interface of the electric T-shaped valve（3-B）Circulating water mouth is connect, the threeway connects
The three of mouth are through circulating pump（5）It connects and is recycled back to the mouth of a river；The third interface of the electric T-shaped valve（3-C）Through loop exit connect low temperature into
Mouthful, the hot water mouth connects hot outlet through recycling import, and the water outlet passes through hot-water line after hot water outlet（H）It connects and uses water
Point;Neighbouring branched out with the hot-water line of water spot connects the return pipe for being recycled back to the mouth of a river（F）.
3. the intelligent hot water circulatory system according to claim 2, it is characterised in that：The cold water source is through cooling water inlet and stream
Quantity sensor（FL）It is followed by one of the interface of threeway, it is described to be recycled back to mouth of a river temperature sensor by the road（T1）Institute is met with check valve
Circulating pump is stated, water tank temperature sensor is housed on the water tank（T2）；The water tank temperature sensor, line temperature sensor with
And in the signal output end connection control circuit of flow sensor intelligent control device correspondence signal input part, the intelligent control
The corresponding control output end of device connects the controlled end of electric T-shaped valve, circulating pump and electric calorifie installation respectively.
4. the control method of the intelligent hot water circulatory system according to claim 3, it is characterised in that include the following steps：
The first step, the detectable signal for receiving water tank temperature sensor, line temperature sensor and flow sensor；
Second step judges whether the instantaneous flow rate signal of flow sensor is less than setting value, is determined as static state if being judged as YES,
Carry out the 8th step；If being judged as otherwise judging that dynamic discharges water, carry out in next step；
Third step, judge discharge water initial predetermined time interval total flow whether be greater than the set value or water tank temperature sensor visit
Whether whether the temperature signal fall off rate of survey is more than the temperature signal that set rate or water tank temperature sensor detect, which is less than, sets
Definite value；It is to be judged to largely using water to be such as judging result, into the 5th step；If judging result is otherwise to be judged to using on a small quantity
Water, into next step；
4th step, electric T-shaped valve first interface and second interface conducting, cold water source by one of three-way interface and interface two,
The first and second interface of electric T-shaped valve enters water tank through circulating water mouth, passes through heat after hot water outlet by water outlet of water tank
Water pipe carries out the 6th step later to water spot supplying hot water；
5th step, electric T-shaped valve first interface and the conducting of third interface；It carries out later in next step；
6th step judges whether instantaneous flow rate signal that flow sensor transmits is less than setting value, is such as judged as otherwise returning the
Three steps；If being judged as YES, carry out in next step；
7th step, electric T-shaped valve first interface and second interface conducting, return to the first step；
8th step, judge selected by circulation heating tube main heat source as electric heating or heating/hot water supply gas furnace, when judging main heat
When source is electric heating, then heating water tanks and pipeline circulating-heating are controlled one after another；When judging main heat source for heating/hot water supply gas furnace
When, then directly control pipeline circulating-heating；The first step is returned later.
5. the control method of the intelligent hot water circulatory system according to claim 4, it is characterised in that:After being determined as static state
During control, flow sensor is monitored in real time, when instantaneous flow rate signal is greater than the set value, switches to the control step that dynamically discharges water
Suddenly.
6. the control method of the intelligent hot water circulatory system according to claim 4 or 5, it is characterised in that described to control one after another
The step of heating water tanks and pipeline circulating-heating is：
Step 1: judging whether the temperature signal of water tank temperature sensor detection is less than setting value, such as it is judged as otherwise being walked
Rapid five；Such as it is judged as YES progress in next step；
Step 2: opening water tank electric calorifie installation, carry out later in next step；
Step 3: judging whether the temperature signal of water tank temperature sensor detection is higher than the sum of setting value and first predetermined value, such as
It is judged as otherwise returning to previous step；If being judged as YES, carry out in next step；
Step 4: closing electric calorifie installation, carry out later in next step;
Step 5: judging whether the temperature signal of line temperature sensor detection is less than setting value, such as it is judged as otherwise returning to
The first step；If being judged as YES, carry out in next step；
Step 6: the first and second interface of electric T-shaped valve is connected, pump startup is recycled；It carries out later in next step；
Step 7: judging whether the temperature signal of water tank temperature sensor detection is walked less than setting value if being judged as YES
Rapid nine；Such as it is judged as otherwise carrying out next step；
Step 8: judging whether the temperature signal of line temperature sensor detection is higher than the sum of setting value and second predetermined value, such as
It is judged as otherwise return to step six；Such as it is judged as YES carry out step 11；
Step 9: electric T-shaped valve first and the conducting of third interface；It carries out later in next step；
Step 10: judging whether the temperature signal of line temperature sensor detection is higher than the sum of setting value and second predetermined value, such as
It is judged as otherwise returning to previous step；If being judged as YES, next step is carried out；
Step 11: closing circulating pump, the conducting of the first and second interface of electric T-shaped valve returns to the first step later.
7. the control method of the intelligent hot water circulatory system according to claim 6, it is characterised in that described to directly control pipeline
The step of circulating-heating is：
Step by step one, judge whether the temperature signal of line temperature sensor detection is less than setting value, be such as judged as otherwise returning to
The first step；If being judged as YES, next substep is carried out；
Two, electric T-shaped valve first and the conducting of third interface step by step, recycle pump startup；It carries out later in next step；
Step by step three, judge whether the temperature signal of line temperature sensor detection is higher than the sum of setting value and second predetermined value, such as
It is judged as otherwise returning to a substep；It is such as judged as YES and carries out next substep；
Step by step four, circulating pump is closed, the conducting of the first and second interface of electric T-shaped valve returns to the first step later.
8. the control method of the intelligent hot water circulatory system according to claim 7, it is characterised in that：The temperature sensor is visited
The temperature signal fall off rate of survey is 2-3 DEG C of 30s ~ 45s temperature drops, ranging from 5-10 DEG C of first predetermined value, second predetermined value range
It is 3-5 DEG C.
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| CN110056938A (en) * | 2019-04-15 | 2019-07-26 | 江苏迈能高科技有限公司 | A kind of integrated return water heat-exchanging water tank and its control method |
| CN110836533A (en) * | 2019-08-07 | 2020-02-25 | 武汉海尔热水器有限公司 | Gas heating and hot water supply equipment and control method thereof |
| CN110836414A (en) * | 2019-08-07 | 2020-02-25 | 青岛经济技术开发区海尔热水器有限公司 | Control method of gas heating and hot water supply equipment |
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| CN113606655A (en) * | 2021-05-25 | 2021-11-05 | 瑞美(中国)热水器有限公司 | Control method for multi-energy heat supply water path multi-circulation system |
| CN115218487A (en) * | 2022-07-14 | 2022-10-21 | 宁波方太厨具有限公司 | Control method and system for circulation function of water heater, water heater and storage medium |
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