CN106595062B - A kind of constant temperature and pressure hot water control device and its control method emptying cold water - Google Patents
A kind of constant temperature and pressure hot water control device and its control method emptying cold water Download PDFInfo
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- CN106595062B CN106595062B CN201611145183.1A CN201611145183A CN106595062B CN 106595062 B CN106595062 B CN 106595062B CN 201611145183 A CN201611145183 A CN 201611145183A CN 106595062 B CN106595062 B CN 106595062B
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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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- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The present invention relates to technical field of water heaters, more particularly to a kind of constant temperature and pressure hot water control device and its control method for emptying cold water, by arranging water tank on water outlet of water heater pipeline, triple valve, water pump, temperature sensor, flow sensor, water level sensor is arranged in water tank, flow sensor is arranged at water spot hot-water line, temperature sensor, check valve, flow sensor is arranged at cold water pipe, flow control valve, temperature sensor, temperature collection data on flows passes to processor unit, processor unit controls each element manipulation state, achieve the purpose that empty water heater and is used for mixed water next time using being detained water body in rear outlet conduit and it is stored in water tank, simultaneous processor unit controls each element manipulation, remain relatively stable with water spot water temperature water.Structure of the invention is simple, not only saves water and combustion gas, so that can be expelled directly out hot water with water spot, also solves prior art discharge hot water water temperature instability problem, improves user experience.
Description
Technical field
The present invention relates to hot water control device technical fields, and in particular to a kind of constant temperature and pressure hot water control for emptying cold water
Device and its control method.
Background technique
One water heater when in use, generally takes into account multiple hot water supply centres, such as family uses water heater, multi-connection kitchen
Two class hot water supply centre of room and bathroom；Barber shop supplies multiple hair washing showers simultaneously.But at interval for a long time in use, due to heat
Hydrophone outlet pipe delay coolant-temperature gage is low, after needing to bleed off this portion of cold water, could start hot-water supply, thereby result in bad
Usage experience and unnecessary water waste phenomenon, this not only annoyings water heater user, also with current water resource saving see
Thought is runed counter to.
In order to solve this problem, people have studied methods and apparatus, and principle is by this section of cold water row of outlet pipe
It walks, or circulation or storage, but also hot water can be only discharged in hot water supply centre while water conservation.But these method and apparatus
Have the shortcomings that bulky, improvement project is huge, installation cost is high, is not suitable for promoting and applying.Moreover, passing through these methods
Improved water heater is easy to appear output water temperature and water very wild effect, is extremely difficult to the mesh of intelligent control water and water temperature
, user cannot be made to enjoy comfortable hot water.
Summary of the invention
It is an object of the invention to solve the above technical problem, a kind of constant temperature and pressure hot water control dress for emptying cold water is provided
It sets and its control method is discharged when in use so that outlet pipe keeps pipeline without cold water state when not in use for a long time at interval
The hot water of more stable water temperature and water.
To solve the above problems, the invention adopts the following technical scheme:
A kind of constant temperature and pressure hot water control device emptying cold water, including hot-water heating system, water storage system, at least one water outlet
Point is arranged in parallel between the EXIT POINT；
The hot-water heating system includes water heater, combustion gas control valve, processor unit, water inlet pipe and outlet pipe, it is described into
Water pipe, water heater, outlet pipe, EXIT POINT are sequentially communicated, and water inlet pipe is connected to water source, the combustion gas control valve, processor list
Member is separately positioned on water heater；
The water storage system includes water tank and water pump, and the water tank is arranged in parallel on outlet pipe, and water tank
Inlet duct connects outlet pipe by the first triple valve, and close water outlet pipe part is equipped with first flow control on the outlet conduit of water tank
Valve processed, the water pump connects inlet duct by the second triple valve, and connects outlet conduit by third triple valve, in inlet tube
The first temperature sensor is additionally provided on road between first triple valve and the second triple valve, the third triple valve and on outlet conduit
First flow sensor is additionally provided between on flow control valve；Water level sensor, water tank top are additionally provided in the water tank
Portion is communicated with the atmosphere；
The EXIT POINT includes the hot-water line being sequentially communicated, water mixing valve and cold water pipe, is additionally provided with second on the hot-water line
Temperature sensor, second flow sensor, check valve, the cold water pipe is equipped with third flow sensor, second flow controls
Valve, the cold water pipe are connected to water source, and the EXIT POINT further includes the water outlet being connected to water mixing valve；
The processor unit and combustion gas control valve wired connection, the processor unit and water pump, the first triple valve,
Second triple valve, third triple valve, the first temperature sensor, second temperature sensor, first flow sensor, second flow pass
Sensor, first flow control valve, second flow control valve, water level sensor are wirelessly connected, and the processor unit reception comes from
First temperature sensor, second temperature sensor, first flow sensor, second flow sensor, first flow control valve,
Two flow control valves, water level sensor signal and control water pump, combustion gas control valve, the first triple valve, the second triple valve,
Three triple valves, first flow control valve, second flow control valve.
Further, relay is additionally provided on the water pump, processor unit is connected by relay with water pump.
Further, first triple valve, the second triple valve, a kind of substitution of any one triple valve in third triple valve
Selection: a valve replacement triple valve is respectively set on three branch pipe(tube)s of triple valve connection.
Further, first triple valve, the second triple valve, third triple valve are electric T-shaped valve.
Further, the water heater further includes water source temperature sensor, for monitoring water source temperature, the water source temperature
Sensor and processor unit are wirelessly connected.
Further, the processor unit is the processor unit with data storage and analytic function.
The control method of the constant temperature and pressure hot water control device of above-mentioned emptying cold water, comprising the following steps:
S1. debug the stage: when beginning to use, user sets hot water heating temperature TAdd, water level sensor detection water tank water
Amount, water heater heat water temperature to heating temperature TAdd, have thermal loss Δ Q with water spot since hot water is flowed to, therefore just arrive to use water
The water temperature of point can be lower than heating temperature TAdd；Installation for the first time in use, need test along journey thermal loss data for using later,
It first will not up to heating temperature TAddWater body be discharged into water tank, when the first temperature sensor detects that water temperature reaches heating temperature TAdd
When, water outlet of water heater stopping is discharged into water tank and arranges to water spot, remembering that the moment is initial time (the 1st second) level sensor at this time
Device records water level h1；Take it is per second analyzed by the water body of outlet pipe, set water heater heating temperature perseverance as TAdd, with water spot temperature
It is T that degree sensor, which detects the water temperature of the 1st second arrival water spot,With 1, the water temperature of the 2nd second arrival water spot is TWith 2, the use of arrival in the 3rd second
The water temperature of water spot is TWith 3, the water temperature of i-th second arrival water spot is TUse i, and will test data and pass to processor unit, processor
Unit calculates the thermal loss of water body per second according to heat Calculation formula Q=cm Δ T, i.e., are as follows:
cmTAdd=Δ Q1+cmTWith 1
cmTAdd=Δ Q2+cmTWith 2
cmTAdd=Δ Q3+cmTWith 3
…
cmTAdd=Δ Qi+cmTUse i
As Δ QiWhen=0, water body thermal loss per second is negligible, at this time TAdd=TWith, record data group: Δ Q1, Δ
Q2, Δ Q3..., Δ Qi；It closes and uses water spot, water heater outlet is filled with water body at this time, respectively use water spot | TWith-TIn real time| it is greater than and limits
Value, and it is zero that processor unit, which is received with the data on flows of water spot flow sensor, processor unit controls pump working, row
Water body in water pipe is vacated, this part water body enters water tank, and water level sensor records water storage tank water level h at this time2；H2 is debugging rank
Section water heater empties water body in outlet pipe, and water body enters the corresponding water level of water tank after water tank in the outlet pipe being drained；
S2. service stage: after primary data determines, beginning to use water heater, water heater working, and water outlet starts to warm up,
It first will not up to TAdd 1Water body be discharged into water tank, when the first temperature sensor detects that water temperature reaches TAdd 1When, water outlet of water heater stops
It is only discharged into water tank and arranges to water spot, remembering that the moment is initial time, record water level in water storage tank H at this time1；H1 is using rank
Not up to T is added 1 water body to be discharged into corresponding water storage tank water level after water tank by section water heater；
ΔQiIt is approximately equal to the thermal loss of service stage i-th second corresponding water body per second, processor unit is according to this number
According to i-th second heating temperature T when using water heater by heat Calculation formula Q=cm Δ T calculating againAdd i:
cmTAdd 1=Δ Q1+cmTWith
cmTAdd 2=Δ Q2+cmTWith
cmTAdd 3=Δ Q3+cmTWith
…
cmTAdd i=Δ Qi+cmTWith
In this way, may make with coolant-temperature gage TWithIt is not influenced by along journey thermal loss, keeps constant with coolant-temperature gage；
Water temperature and data on flows in i-th second hot water pipe are detected respectively with temperature sensor at water spot and flow sensor,
Processor unit is passed to, mixed water temperature T when processor unit calculates i-th second according to heat Calculation formulaMixed i:
cmIt is mixedTMixed i=cmHeatTWith+cmIt is cold`TIt is cold`
mIt is mixed=mHeat+mIt is cold`
If water level sensor, which detects, at this time cold water in water tank, preferentially using cold water in water tank, processor list
Member control water pump is mixed into cold water into hot-water line, increases cold water flow Δ qStorage, simultaneous processor unit control cold water pipe at flow
Control valve reduces cold water flow, reduces cold water flow Δ qIt is cold, Δ qStorage=Δ qIt is coldIt is scaled Water quality per second i.e. are as follows:
mStorage=mIt is cold`-mIt is cold
The case where hot water is used for multiple times in the short time, many places are not overlapped using the hot water time in view of interval, when water heater stops
Only in use, detecting water temperature data T with second temperature sensor at water spot everywhereIn real time, processor unit will T everywhereIn real timeWith TWithMake
Difference takes absolute value, i.e., | TWith-TIn real time|；If at least existed at one with water spot | TWith-TIn real time| it is no more than limit value, then in the time
Processor unit does not empty outlet conduit, water heater can in the environment of pipe full hot water task again, if respectively
At water spot | TWith-TIn real time| it is all larger than limit value, then processor unit enters empty stage.Wherein limit value is under coolant-temperature gage
The acceptable maximum fluctuation temperature difference of user, user can voluntarily be adjusted by processor unit；
S3. empty stage: when water heater is stopped using and respectively with water spot | TWith-TIn real time| it is greater than limit value, processor unit connects
Receiving with the data on flows of water spot flow sensor is zero, and processor unit controls pump working, empties water body in outlet pipe, this
Part water body enters water tank, uses when mixing water for next time.
Further, clear height is L, L > MAX { h inside the water tank2、H1、H2, i.e., clear height L must be big inside water tank
In h2、H1、H2Three's maximum value, H2 are water bodys in empty stage water heater emptying outlet pipe, in the outlet pipe being drained water body into
Enter the corresponding water level of water tank after water tank.
Further, when water level sensor detects that water level H is greater than safety level, system stops filling to water tank
Water, water tank is only discharged at this time, can not be intake；The safety level is adjusted by user by processor unit.
A kind of constant temperature and pressure hot water control device and its control method for emptying cold water of the present invention, compared with prior art,
Its protrude feature and excellent effect be: the present invention by water heater outlet arrange water tank, electric T-shaped valve,
Water pump, temperature sensor, flow sensor arrange water level sensor in water tank, and arrangement flow passes at water spot hot-water line
Sensor, temperature sensor, check valve arrange flow sensor, flow control valve, temperature sensor at water spot cold water pipe,
Temperature collection data on flows passes to processor unit, and processor unit controls each element manipulation state, reaches emptying water heater
The purpose that water uses, simultaneous processor unit control are mixed for next time using being detained water body in rear outlet pipe and it being stored in water tank
Each element manipulation is made, remains relatively stable with water spot water temperature water, water temperature water caused by overcoming water heater outlet too long is not
Stable problem facilitates the transformation of this kind of water heater；Processor unit has data storage and statistical function, intellectual analysis user's
Water temperature service condition show that user commonly uses water temperature range in the recent period by real-time statistics.The configuration of the present invention is simple, easy to use, section
About water and while combustion gas solves the prior art discharge hot water water temperature is unstable and ask so that can be expelled directly out hot water with water spot
Topic, improves user experience.
Detailed description of the invention
Detailed description of the invention of the present invention is as follows:
Fig. 1 is the structural schematic diagram of the constant temperature and pressure hot water control device of present invention emptying cold water；
Fig. 2 is control device connection schematic diagram of the present invention；
In figure: 1 is water heater, and 101 be outlet pipe, and 102 be water inlet pipe, and 2 be water pump, and 301 be the first triple valve, and 302 are
Second triple valve, 303 be third triple valve, and 401 be the first temperature sensor, and 402 be second temperature sensor, and 403 be water source
Temperature sensor, 501 be first flow sensor, and 502 be second flow sensor, and 503 be third flow sensor, and 601 are
First flow control valve 1,602 is second flow control valve, and 7 be water level sensor, and 8 be water outlet, and 9 be check valve, and 10 be storage
Water tank, 11 be water mixing valve.
Specific embodiment
Below by way of specific embodiment and attached drawing, the present invention is described in further detail, but should not be interpreted as this
The scope of the present invention is only limitted to example below.Without departing from the idea of the above method of the present invention, general according to this field
The various replacements or change that logical technological know-how and customary means are made, should be included in the scope of the present invention.
As depicted in figs. 1 and 2, a kind of constant temperature and pressure hot water control device emptying cold water, including hot-water heating system, water storage system
It unites, at least one EXIT POINT, is arranged in parallel between the EXIT POINT；
The hot-water heating system includes water heater 1, combustion gas control valve, processor unit, water inlet pipe 102 and outlet pipe 101,
The water inlet pipe 102, water heater 1, outlet pipe 101, EXIT POINT are sequentially communicated, and water inlet pipe 102 is connected to water source, the gas quantity
Control valve, processor unit are separately positioned on water heater 1；
The water storage system includes water tank 10 and water pump 2, and the water tank 10 is arranged in parallel on outlet pipe 101, and
The inlet duct of water tank 10 connects outlet pipe 101, close water outlet on the outlet conduit of water tank 10 by the first triple valve 301
First flow control valve 601 is equipped at pipe, the water pump 2 connects inlet duct by the second triple valve 302, and passes through the three or three
Port valve 303 connects outlet conduit, is additionally provided with the first temperature between the first triple valve 301 and the second triple valve 302 on inlet duct
Spend sensor 401, on outlet conduit on third triple valve 303 and first flow control valve 601 between be additionally provided with first flow
Sensor 501；It is additionally provided with water level sensor 7 on the water tank 10, is communicated with the atmosphere at the top of water tank 10；
The EXIT POINT includes the hot-water line being sequentially communicated, water mixing valve 11 and cold water pipe, and is additionally provided on the hot-water line
Two temperature sensors 402, second flow sensor 502, check valve 9, the cold water pipe be equipped with third flow sensor 503,
Second flow control valve 602, the cold water pipe are connected to water source, and the EXIT POINT further includes the water outlet being connected to water mixing valve 11
8；
The processor unit and combustion gas control valve wired connection, the processor unit and water pump 2, the first triple valve
301, the second triple valve 302, third triple valve 303, the first temperature sensor 401, second temperature sensor 402, first flow
Sensor 501, second flow sensor 502, first flow control valve 601, second flow control valve 601,7 nothing of water level sensor
Line connection, the processor unit are received from the first temperature sensor 401, second temperature sensor 402, first flow sensing
Device 501, second flow sensor 502, first flow control valve 601, second flow control valve 601, water level sensor 7 signal
And control water pump 2, combustion gas control valve, the first triple valve 301, the second triple valve 302, third triple valve 303, first flow control
Valve 601 processed, second flow control valve 602.
Specifically, relay is additionally provided on the water pump 2, processor unit is connected by relay and water pump 2.
Specifically, first triple valve 301, the second triple valve 302, any one triple valve in third triple valve 303
A kind of alternative: be respectively set a valve on three branch pipe(tube)s of triple valve connection and replace triple valve.
Specifically, first triple valve 301, the second triple valve 302, third triple valve 303 are electric T-shaped valve.
Specifically, the water heater 1 further includes water source temperature sensor 403, for monitoring water source temperature, the water source temperature
It spends sensor 403 and processor unit is wirelessly connected.
Specifically, the processor unit is the processor unit with data storage and analytic function.
The control method of the constant temperature and pressure hot water control device of above-mentioned emptying cold water, comprising the following steps:
S1. debug the stage: when beginning to use, user sets hot water heating temperature TAdd, the detection water tank 10 of water level sensor 7
Water, water heater 1 heat water temperature to heating temperature TAdd, the first triple valve 301 is suitable for reading to be connected to left mouth, and right mouth is closed, and the two or three
Port valve 302 is suitable for reading to be connected to lower mouth, and right mouth is closed, and the lower mouth of third triple valve 303 is closed, and the water outlet of water heater 1 is arranged to water tank 10,
First temperature sensor 401 detects water temperature, when water temperature reaches heating temperature TAddWhen, 301 Zuo Kou of the first triple valve and right mouth connection,
Closing suitable for reading, the water outlet row of water heater 1 have thermal loss Δ Q with water spot since hot water is flowed to, therefore just arrive to use water to water spot
The water temperature of point can be lower than heating temperature TAdd；Installation for the first time in use, need test along journey thermal loss data for using later,
It first will not up to heating temperature TAddWater body be discharged into water tank 10, when the first temperature sensor 401 detects that water temperature reaches initial
Heating temperature TAddWhen, the water outlet of water heater 1 stops being discharged into water tank 10 and arrange to water spot, remembering that the moment is initial time the (the 1st
Second) at this time water level sensor 7 record water level h1；Take it is per second analyzed by the water body of outlet pipe, setting water heater heating temperature
Permanent degree is TAdd, the water temperature that the 1st second arrival water spot is detected with water spot temperature sensor is TWith 1, reach the water temperature for using water spot within the 2nd second
For TWith 2, the water temperature of the 3rd second arrival water spot is TWith 3, the water temperature of i-th second arrival water spot is TUse i, and will test data and pass to
Processor unit, processor unit calculate the thermal loss of water body per second according to heat Calculation formula Q=cm Δ T, i.e., are as follows:
cmTAdd=Δ Q1+cmTWith 1
cmTAdd=Δ Q2+cmTWith 2
cmTAdd=Δ Q3+cmTWith 3
…
cmTAdd=Δ Qi+cmTUse i
As Δ QiWhen=0, water body thermal loss per second is negligible, TAdd=TWith, record data group: Δ Q1, Δ Q2, Δ
Q3..., Δ Qi；It closes and uses water spot, water heater outlet is filled with water body at this time, respectively use water spot | TWith-TIn real time| it is greater than limit value, and
It is zero that processor unit, which is received with the data on flows of water spot flow sensor, and processor unit controls pump working, is emptied out
Water body in water pipe 101, this part water body enter water tank 10, and water level sensor 7 records water storage tank water level h at this time2；
S2. service stage: after primary data determines, water heater 1 enters service stage, and user sets hot water coolant-temperature gage
TWith, detection 10 water of water tank of water level sensor 7, the heating water temperature of water heater 1 to heating temperature TAdd 1, the first triple valve 301 is suitable for reading
With left mouth connection, right mouth is closed, and the second triple valve 302 is suitable for reading and lower mouth connection, right mouth are closed, and the lower mouth of third triple valve 303 closes
It closes, the water outlet of water heater 1 row is to water tank 10, and the first temperature sensor 401 detects water temperature, when water temperature reaches heating temperature TAdd 1When,
First triple valve, 301 Zuo Kou and right mouth connection, closing suitable for reading, the water outlet of water heater 10 row is to water spot；
Take Δ QiIt is approximately equal to the thermal loss of service stage i-th second corresponding water body per second, processor unit is according to this
Data are calculated by heat Calculation formula Q=cm Δ T using i-th second heating temperature T when water heater againAdd i:
cmTAdd 1=Δ Q1+cmTWith
cmTAdd 2=Δ Q2+cmTWith
cmTAdd 3=Δ Q3+cmTWith
…
cmTAdd i=Δ Qi+cmTWith
Calculate to obtain 10 i-th seconds heating temperature T of water heaterAdd i, combustion gas control valve is controlled according to this data processor and is opened
Degree, and then adjust heating temperature TAdd i, in this way, may make with coolant-temperature gage TWithIt is not influenced by along journey thermal loss, coolant-temperature gage is used in holding
It is constant；
With second temperature sensor 402, water source temperature sensor 403, second flow sensor 502, third stream at water spot
Quantity sensor 503 detects water temperature and data on flows in i-th second hot and cold water pipe respectively, passes to processor unit, processor unit
Mixed water temperature T when being calculated i-th second according to heat Calculation formulaMixed i:
cmIt is mixedTMixed i=cmHeatTWith+cmIt is cold`TIt is cold`
mIt is mixed=mHeat+mIt is cold`
If level sensor 7, which detects in water tank 10, at this time cold water, preferentially using cold water in water tank 10, processor
The second triple valve of unit control 302 is suitable for reading to be connected to right mouth, and lower mouth is closed, and 303 Zuo Kou of third triple valve is connected to lower mouth, suitable for reading
It closes, cold water in water tank 10 is mixed by control water pump 2 into hot-water line, increases cold water flow Δ qStorage, simultaneous processor unit
It controls second flow control valve 602 at cold water pipe and reduces cold water flow, reduce cold water flow Δ qIt is cold, Δ qStorage=Δ qIt is coldIt is scaled every
Second Water quality is are as follows:
mStorage=mIt is cold`-mIt is cold
The case where hot water is used for multiple times in the short time, many places are not overlapped using the hot water time in view of interval, when water heater 1 stops
Only in use, detecting water temperature data T with second temperature sensor 402 at water spot everywhereIn real time, processor unit will T everywhereIn real timeWith TWith
It is poor to make, and takes absolute value, i.e., | TWith-TIn real time|；If at least existed at one with water spot | TWith-TIn real time| it is no more than limit value, then the time
Inner treater unit does not empty outlet pipe, water heater can in the environment of pipe full hot water task again, if respectively
At water spot | TWith-TIn real time| it is all larger than limit value, then processor unit enters empty stage；Wherein limit value is under coolant-temperature gage
The acceptable maximum fluctuation temperature difference of user, user can voluntarily be adjusted by processor unit；
S3. empty stage: when water heater 1 is stopped using, processor unit is received with water spot second flow sensor 502
Data on flows be zero, processor unit controls water pump 2 and works, and empties water body in outlet pipe, this part water body enters water tank
10, it is used when mixing water for next time.
Specifically, clear height is L inside the water tank, hence it is evident that h0< h1< h2, h2、H1、H2Three's size can not compare, and take
L > MAX { h2、H1、H2, i.e., clear height L must be greater than h inside water tank2、H1、H2Three's maximum value；
Particularly, when water level sensor detects that water level H is greater than safety level, system stops to water tank water-filling, this
When water tank be only discharged, can not intake；Wherein safety level user can be adjusted by processor unit.
Above-mentioned specific embodiment is only the specific case of the invention patent, is not to make other forms to the invention patent
Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent implementations of variation.But under the premise of all principles without departing from the invention patent, the essence of patent according to the present invention
To any simple modification, equivalent variations and remodeling made by embodiment of above, the patent protection of the invention patent should be all fallen into
Range.
Claims (9)
1. a kind of constant temperature and pressure hot water control device for emptying cold water, which is characterized in that including hot-water heating system, water storage system, extremely
Lack an EXIT POINT, is arranged in parallel between the EXIT POINT；
The hot-water heating system includes water heater, combustion gas control valve, processor unit, water inlet pipe and outlet pipe, the water inlet pipe,
Water heater, outlet pipe, EXIT POINT are sequentially communicated, and water inlet pipe is connected to water source, the combustion gas control valve, processor unit difference
It is arranged on water heater；
The water storage system includes water tank and water pump, and the water tank is arranged in parallel on outlet pipe, and the entrance of water tank
Pipeline connects outlet pipe by the first triple valve, controls close to water outlet pipe part equipped with first flow on the outlet conduit of water tank
Valve, the water pump connects inlet duct by the second triple valve, and connects outlet conduit by third triple valve, in inlet duct
It is additionally provided with the first temperature sensor between upper first triple valve and the second triple valve, the third triple valve and first on outlet conduit
First flow sensor is additionally provided between on flow control valve；Water level sensor, water tank top are additionally provided in the water tank
It is communicated with the atmosphere；
The EXIT POINT includes the hot-water line being sequentially communicated, water mixing valve and cold water pipe, is additionally provided with second temperature on the hot-water line
Sensor, second flow sensor, check valve, the cold water pipe are equipped with third flow sensor, second flow control valve, institute
It states cold water pipe to be connected to water source, the EXIT POINT further includes the water outlet being connected to water mixing valve；
The processor unit and combustion gas control valve wired connection, the processor unit and water pump, the first triple valve, second
Triple valve, third triple valve, the first temperature sensor, second temperature sensor, first flow sensor, second flow sensing
Device, first flow control valve, second flow control valve, water level sensor are wirelessly connected, and the processor unit is received from the
One temperature sensor, second temperature sensor, first flow sensor, second flow sensor, first flow control valve, second
Flow control valve, water level sensor signal and control water pump, combustion gas control valve, the first triple valve, the second triple valve, third
Triple valve, first flow control valve, second flow control valve.
2. a kind of constant temperature and pressure hot water control device for emptying cold water according to claim 1, which is characterized in that the water
Relay is additionally provided on pump, processor unit is connected by relay with water pump.
3. a kind of constant temperature and pressure hot water control device for emptying cold water according to claim 1, which is characterized in that described the
One triple valve, the second triple valve, a kind of alternative of any one triple valve in third triple valve: at three of triple valve connection
A valve replacement triple valve is respectively set on pipeline.
4. a kind of constant temperature and pressure hot water control device for emptying cold water according to claim 1, which is characterized in that described the
One triple valve, the second triple valve, third triple valve are electric T-shaped valve.
5. a kind of constant temperature and pressure hot water control device for emptying cold water according to claim 1, which is characterized in that the heat
Hydrophone further includes water source temperature sensor, and for monitoring water source temperature, the water source temperature sensor and processor unit are wireless
Connection.
6. a kind of constant temperature and pressure hot water control device for emptying cold water according to claim 1, which is characterized in that the place
Managing device unit is the processor unit with data storage and analytic function.
7. a kind of control method of the constant temperature and pressure hot water control device of emptying cold water as claimed in any one of claims 1 to 6,
Characterized by comprising the following steps:
S1. debug the stage: when beginning to use, user sets hot water heating temperature TAdd, water level sensor detects water tank water, hot
Hydrophone heats water temperature to heating temperature TAdd, have thermal loss Δ Q with water spot since hot water is flowed to, therefore just arrive to the water with water spot
Temperature can be lower than heating temperature TAdd；For the first time in use, needs test is used along journey thermal loss data later；It first will be not up to
Heating temperature TAddWater body be discharged into water tank, when the first temperature sensor detects that water temperature reaches heating temperature TAddWhen, water heater
Water outlet stops being discharged into water tank and arranging to water spot, remembering that the moment is the 1st second initial time, and water level sensor records water level at this time
h1；Take it is per second analyzed by the water body of outlet pipe, set water heater heating temperature perseverance as TAdd, examined with water spot temperature sensor
The water temperature for surveying the 1st second arrival water spot is TWith 1, the water temperature of the 2nd second arrival water spot is TWith 2, reach the water temperature for using water spot within the 3rd second
For TWith 3, the water temperature of i-th second arrival water spot is TUse i, and will test data and pass to processor unit, processor unit is according to warm
Amount calculation formula Q=cm Δ T calculates the thermal loss of water body per second, i.e., are as follows:
cmTAdd=Δ Q1+cmTWith 1
cmTAdd=Δ Q2+cmTWith 2
cmTAdd=Δ Q3+cmTWith 3
…
cmTAdd=Δ Qi+cmTUse i
As Δ QiWhen=0, TAdd=TWith, record data group: Δ Q1, Δ Q2, Δ Q3..., Δ Qi；
S2. service stage: after primary data determines, beginning to use water heater, water heater working, and water outlet starts to warm up, and first will
Not up to initial heating temperature TAdd 1Water body be discharged into water tank, when the first temperature sensor detects that water temperature reaches initial heating
Temperature TAdd 1When, water outlet of water heater stopping is discharged into water tank and arranges to water spot, remembering that the moment is initial time, at this time record storage
Water in Water Tanks position H1；
ΔQiThe thermal loss of water body per second corresponding equal to i-th second, processor unit is according to this data again by heat Calculation formula
Q=cm Δ T is calculated using i-th second heating temperature T when water heaterAdd i:
cmTAdd 1=Δ Q1+cmTWith
cmTAdd 2=Δ Q2+cmTWith
cmTAdd 3=Δ Q3+cmTWith
…
cmTAdd i=Δ Qi+cmTWith
In this way, may make with coolant-temperature gage TWithIt is not influenced by along journey thermal loss, keeps constant with coolant-temperature gage；
Water temperature and data on flows in i-th second hot water pipe are detected respectively with temperature sensor at water spot and flow sensor, are transmitted
To processor unit, mixed water temperature T when processor unit calculates i-th second according to heat Calculation formulaMixed i:
cmIt is mixedTMixed i=cmHeatTWith+cmIt is cold`TIt is cold`
mIt is mixed=mHeat+mIt is cold`
If water level sensor, which detects, at this time cold water in water tank, preferentially using cold water in water tank, processor unit control
Water pump processed is mixed into cold water into hot-water line, increases cold water flow Δ qStorage, simultaneous processor unit control cold water pipe at flow control
Valve reduces cold water flow, reduces cold water flow Δ qIt is cold, Δ qStorage=Δ qIt is coldIt is scaled Water quality per second i.e. are as follows:
mStorage=mIt is cold`-mIt is cold
S3. empty stage: when water heater is stopped using, processor unit is received is with the data on flows of water spot flow sensor
Zero, processor unit controls pump working, empties water body in outlet pipe, this part water body enters water tank, for mixed water next time
When use.
8. a kind of control method of constant temperature and pressure hot water control device for emptying cold water according to claim 7, feature
It is, in the step S3, when water heater is stopped using, detects water temperature data with second temperature sensor at water spot everywhere
TIn real time, processor unit will T everywhereIn real timeWith TWithIt is poor to make, and takes absolute value, i.e., | TWith-TIn real time|；If at least existed at one with water spot |
TWith-TIn real time| it is no more than limit value, then the time inner treater unit does not empty outlet pipe, and water heater can be in pipe full
Task again in the environment of hot water；If respectively at water spot | TWith-TIn real time| it is all larger than limit value, then processor unit enters emptying
Stage；Wherein limit value is with the acceptable maximum fluctuation temperature difference of user under coolant-temperature gage, and user can be by processor unit voluntarily
It adjusts.
9. a kind of control method of constant temperature and pressure hot water control device for emptying cold water according to claim 7, feature
It is, when water level sensor detects that water level H is greater than safety level, system stops to water tank water-filling, and water tank is only at this time
It can be discharged, can not intake；The safety level is adjusted by user by processor unit.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108592379B (en) * | 2017-12-30 | 2021-02-05 | 陕西宏达暖博士冷暖设备有限公司 | Constant temperature gas water heater |
| CN108344036B (en) * | 2018-03-31 | 2024-03-15 | 广西科技大学 | Intelligent control system of small household pipe network hot water adjusting device |
| CN110207394B (en) * | 2018-11-26 | 2023-11-21 | 华帝股份有限公司 | Temperature control pipeline for gas water heater, gas water heater and control method |
| CN111828161B (en) * | 2019-03-21 | 2021-07-13 | 福州市长乐区三互信息科技有限公司 | Multi-temperature control diesel generating set based on big data operation analysis |
| CN111664591B (en) * | 2020-07-22 | 2021-05-07 | 宁波方太厨具有限公司 | Water heater constant temperature system and control method thereof |
| CN113701363A (en) * | 2021-09-11 | 2021-11-26 | 覃钊雄 | Device and method for preventing transient excessive mutation of fluid temperature and concentration |
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