CN109386911A - Air-conditioner water system cold and hot amount gradient utilization system and method - Google Patents
Air-conditioner water system cold and hot amount gradient utilization system and method Download PDFInfo
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- CN109386911A CN109386911A CN201811121084.9A CN201811121084A CN109386911A CN 109386911 A CN109386911 A CN 109386911A CN 201811121084 A CN201811121084 A CN 201811121084A CN 109386911 A CN109386911 A CN 109386911A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 191
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000010276 construction Methods 0.000 claims abstract description 14
- 238000004378 air conditioning Methods 0.000 claims description 5
- 230000006698 induction Effects 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims 3
- 239000002699 waste material Substances 0.000 abstract description 5
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/06—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention relates to a kind of air-conditioner water system cold and hot amount gradient utilization system and methods.It solves existing air-conditioner water system using the technical problems such as not reasonable.Including heat pump unit, heat pump unit one end respectively with water circulating pump I and water circulating pump II is parallel with one another connects, water circulating pump I and water circulating pump II are connected with water segregator, the heat pump unit other end is connected with water collector, it is respectively equipped with South room end and North room end between water segregator and water collector, series-parallel switching construction is equipped between water segregator and water collector.Advantage is: the operational mode realizes cold and hot amount cascade utilization, so as to avoid the waste of cold and hot amount.Using the opening and closing of sensor monitoring return water temperature and then control valve, the switching of system loading height operating condition is realized, the series-parallel switching of water system pipeline controls the flow direction of hot and cold water.
Description
Technical field
The invention belongs to powering device technical fields, and in particular to a kind of air-conditioner water system cold and hot amount gradient utilization system and
Method.
Background technique
Heating ventilation air-conditioning system eliminates cooling and heating load extra in room, and then suitable environment is provided for indoor occupant.According to
Statistics, the energy consumption of heating ventilation air-conditioning system account for the 60% of building energy consumption, and energy-saving potential is huge.Due to the original of building orientation
Cause, so that south orientation room and the load in north orientation room have differences.In summer, since the direct projection of sunlight increases south orientation room
Between heat so that the refrigeration duty in south orientation room be greater than north orientation room；And when winter, the amount of radiation that north orientation room obtains is opposite
South orientation is few, so that the thermic load in south orientation room is less than north orientation room.Traditional air-conditioner water system operating mode is prepared by unit
7/12 DEG C for return water eliminate room end load.Pertinent literature is pointed out, through engineering measurement, certain building rooms exchange heat through end
Air-conditioning return water temperature afterwards only has 10 DEG C or so, and water system shows " big flow, the small temperature difference " phenomenon, this undoubtedly causes cooling capacity
Waste.Therefore, how more reasonably to adjust air-conditioning work state using load is the topic urgently studied.
Summary of the invention
Regarding the issue above, the present invention provides a kind of design is rationally, it is able to achieve the sky of cold and hot amount cascade utilization
Water transfer system cold and hot amount gradient utilization system.
Another object of the present invention is easily achieved in view of the above-mentioned problems, providing one kind, is avoided that the waste of cold and hot amount
Air-conditioner water system cold and hot amount stepped utilization method.
In order to achieve the above objectives, present invention employs following technical proposals: this air-conditioner water system cold and hot amount cascade utilization system
System, including heat pump unit, which is characterized in that described heat pump unit one end respectively with II phase of water circulating pump I and water circulating pump
Mutually and couple, the water circulating pump I and water circulating pump II are connected with water segregator, and the heat pump unit other end is connected with
Water collector is respectively equipped with South room end and North room end, and the South room between water segregator and water collector
Between end and North room end be oppositely arranged, being equipped between the water segregator and water collector can be by heat pump unit respectively and south
Area, end, room and North room end and connection can be by heat pump unit, South room end and North room end threes
It is sequentially connected in series the series-parallel switching construction connect.
In above-mentioned air-conditioner water system cold and hot amount gradient utilization system, the series-parallel switching construction includes and North room
Between the connected shut-off valve I in end one end, the shut-off valve I is connected with water segregator, and the North room end other end leads to
It crosses shut-off valve V to be connected with water collector, and one end that the North room end is connected with shut-off valve I passes through III He of shut-off valve
Water collector is connected, and described South room end one end is connected by shut-off valve II with water segregator, the South room end
The other end respectively with shut-off valve V and North room end and couple, the South room end be connected with shut-off valve II one
End is connected by shut-off valve IV with water collector.
In above-mentioned air-conditioner water system cold and hot amount gradient utilization system, what the North room end was connected with water collector
One end is equipped with temperature sensor I.
In above-mentioned air-conditioner water system cold and hot amount gradient utilization system, what the South room end was connected with water collector
One end is equipped with temperature sensor II.
Preferably, here shut-off valve I, shut-off valve II, shut-off valve III, shut-off valve IV and shut-off valve V is sequentially connected and divides
It is not connected with MCU module, and the water circulating pump I and water circulating pump II is connected with MCU module.I He of temperature sensor
Temperature sensor II is connected with MCU module respectively.
The following institute of air-conditioner water system cold and hot amount stepped utilization method of above-mentioned air-conditioner water system cold and hot amount gradient utilization system
It states: this air-conditioner water system cold and hot amount stepped utilization method, comprising the following steps:
A, summer operating mode: by series-parallel switching construction that heat pump unit, South room is last when building is in underload
End and North room end are sequentially connected in series, and when building is in high load capacity, are distinguished heat pump unit by series-parallel switching construction
With South room end and North room end and couple；
B, winter condition: by series-parallel switching construction that heat pump unit, North room is last when building is in underload
End and South room end are sequentially connected in series, and when building is in high load capacity, are distinguished heat pump unit by series-parallel switching construction
With South room end and North room end and couple.
It, in step, should when building is in underload in above-mentioned air-conditioner water system cold and hot amount stepped utilization method
Under operating condition, shut-off valve I is closed, shut-off valve II is opened, shut-off valve III is opened, shut-off valve IV closes, shut-off valve V closes, South room end and north
Area, end, room is in series connection；The chilled water generated by heat pump unit is first delivered to south by water segregator through water circulating pump II
Area, end, room, the chilled water flow after eliminating South room load most return to heat pump machine through water collector afterwards to North room end
Group.
In above-mentioned air-conditioner water system cold and hot amount stepped utilization method, in step, when building load rises, control
Shut-off valve I, shut-off valve V, water circulating pump I are opened, and control shut-off valve III is closed, and original place is in the South room end of series connection
It is changed into parallel connection with North room end, the chilled water generated by heat pump unit is formed through water pump in parallel by water segregator
Two, north and south branch returns to heat pump unit after converging to water collector by opening shut-off valve V after eliminating each branch room load, should
Operating condition lower valve door state is that shut-off valve I is opened, shut-off valve II is opened, shut-off valve III closes, shut-off valve IV closes, shut-off valve V is opened.
It, in stepb, should when building is in underload in above-mentioned air-conditioner water system cold and hot amount stepped utilization method
Under operating condition, shut-off valve I is opened, shut-off valve II closes, shut-off valve III closes, shut-off valve IV is opened, shut-off valve V closes, South room end and north
Area, end, room is in series connection, and the hot water generated by heat pump unit is first delivered to North by water segregator through water circulating pump I
Room end, the hot water after eliminating North room load flow to South room end, most return to heat pump unit through water collector afterwards.
In above-mentioned air-conditioner water system cold and hot amount stepped utilization method, in stepb, when building load rises, control
Shut-off valve II, shut-off valve V, water circulating pump II are opened, and control shut-off valve IV is closed, and original place is in the South room of series connection end
End is changed into parallel connection with North room end, and the hot water generated by heat pump unit is formed through water pump in parallel by water segregator
Two, north and south branch returns to heat pump unit after converging to water collector by opening shut-off valve V after eliminating each branch room load, should
Operating condition lower valve door state is that shut-off valve I is opened, shut-off valve II is opened, shut-off valve III closes, shut-off valve IV closes, shut-off valve V is opened.
In above-mentioned air-conditioner water system cold and hot amount stepped utilization method, in step, when building load rises, by south
Temperature sensor II behind area, end, room incudes return water temperature and rises, and then controls shut-off valve I, shut-off valve V, water circulating pump I
It opens, control shut-off valve III is closed；In stepb, when building load rises, by the temperature sensor behind North room end
I induction return water temperature reduces, and then controls shut-off valve II, shut-off valve V, water circulating pump II and open, and control shut-off valve IV is closed.
Compared with prior art, the present invention has the advantages that
1, the operational mode realizes cold and hot amount cascade utilization: in summer or winter condition, by the low temperature of unit preparation
Chilled water or high-temperature-hot-water preferentially pass through load higher South room end or North room end, by heat exchange after using
Load lower North room end or South room end, so as to avoid the waste of cold and hot amount.
2, using the opening and closing of sensor monitoring return water temperature and then control valve, cutting for system loading height operating condition is realized
It changes, the series-parallel switching of water system pipeline controls the flow direction of hot and cold water, easy to operate, succinct, rapid.
Detailed description of the invention
The structural schematic diagram of series connection when Fig. 1 is summer operational mode in the present invention；
The structural schematic diagram of parallel connection when Fig. 2 is Summer and winter operational mode in the present invention；
The structural schematic diagram of series connection when Fig. 3 is winter operation mode in the present invention；
In figure, heat pump unit 1, water segregator 2, water collector 3, South room end 4, North room end 5, water circulating pump I
6, water circulating pump II 7, temperature sensor II 8, temperature sensor I 9, shut-off valve I 10, shut-off valve II 11, shut-off valve III 12, cut-off
Valve IV 13, shut-off valve V 14.
Specific embodiment
As shown in Figure 1-3, this air-conditioner water system cold and hot amount gradient utilization system, including heat pump unit 1, heat pump unit 1 one
End is respectively with water circulating pump I 6 and water circulating pump II 7 is parallel with one another connects, and water circulating pump I 6 and water circulating pump II 7 are and water segregator
2 are connected, and 1 other end of heat pump unit is connected with water collector 3, and room end in South is respectively equipped between water segregator 2 and water collector 3
4 and North room end 5, and South room end 4 and North room end 5 are oppositely arranged, between water segregator 2 and water collector 3
Equipped with can by heat pump unit 1 respectively with South room end 4 and North room end 5 and couple or can by heat pump unit 1, south
Area, end, room 4 and 5 three of North room end are sequentially connected in series the series-parallel switching construction connect.
Specifically, series-parallel switching construction here includes the shut-off valve I 10 being connected with 5 one end of North room end,
Shut-off valve I 10 is connected with water segregator 2, and 5 other end of North room end is connected by shut-off valve V 14 with water collector 3, and North
One end that room end 5 is connected with shut-off valve I 10 is connected by shut-off valve III 12 with water collector 3, and 4 one end of South room end is logical
Shut-off valve II 11 is crossed to be connected with water segregator 2,4 other end of South room end respectively with shut-off valve V 14 and North room end 5
And couple, one end that South room end 4 is connected with shut-off valve II 11 is connected by shut-off valve IV 13 and water collector 3.Further
Ground, one end that North room end 5 here is connected with water collector 3 are equipped with temperature sensor I 9.Wherein, South room end 4
The one end being connected with water collector 3 is equipped with temperature sensor II 8.
Preferably, here shut-off valve I 10, shut-off valve II 11, shut-off valve III 12, shut-off valve IV 13 and shut-off valve V 14 according to
It is secondary to be connected and be connected respectively with MCU module, and the water circulating pump I 6 and water circulating pump II 7 is connected with MCU module,
In, temperature sensor I 9 is connected with MCU module respectively with temperature sensor II 8.Using sensor monitoring return water temperature and then control
The opening and closing of valve processed, realizes the switching of system loading height operating condition, and the series-parallel switching of water system pipeline controls hot and cold water
Flow direction.
The operational mode of this system realizes cold and hot amount cascade utilization: in summer (winter) operating condition, by unit preparation
Low temperature chilled water (high-temperature-hot-water) is preferentially by load higher South room end (North room end), after heat exchange again
Through overload lower North room end (South room end), so as to avoid the waste of cold and hot amount.At the same time, pass through
Incude return water temperature, realizes the switching of load height operating condition.The mode adaptation is strong, and flexible adjustment is convenient, leads in building energy conservation
Domain has broad application prospects.
This air-conditioner water system cold and hot amount stepped utilization method is divided into summer and two kinds of operational modes of winter, each season fortune
It is divided into series connection (running on the lower load) and (high load capacity operating condition) in parallel two kinds of operational modes under row mode again.
Under summer operating mode, when building is in underload, South room end 4 is in North room end 5 and connects
State.The chilled water generated by heat pump unit 1 is first delivered to South room end 4 by water segregator 2 through water circulating pump II 7, disappears
Except the chilled water flow after the room load of South to North room end 5, heat pump unit 1 most is returned through water collector 3 afterwards.Under the operating condition
Valve state is that shut-off valve I 10 closes, shut-off valve II 11 is opened, shut-off valve III 12 is opened, shut-off valve IV 13 closes, shut-off valve V 14 closes.
Under summer operating mode, when building load rises, incuded back by the temperature sensor II 8 behind South room end 4
Coolant-temperature gage rises, and then controls shut-off valve I 10, shut-off valve V 14, water circulating pump I 6 and open, and control shut-off valve III 12 is closed.This
When, original place is changed into parallel connection in the South room end 4 of series connection and North room end 5.It is generated by heat pump unit 1
Chilled water two, north and south branch is formed by water segregator 2 through water pump in parallel, after eliminating each branch room load, cut by opening
Only valve V 14 returns to heat pump unit 1 after converging to water collector 3.The operating condition lower valve door state be shut-off valve I 10 open, shut-off valve II 11
It opens, shut-off valve III 12 closes, shut-off valve IV 13 closes, shut-off valve V 14 is opened.
In winter under operating condition, when building is in underload, South room end 4 is in North room end 5 and connects
State.The hot water generated by heat pump unit 1 is first delivered to North room end 5 by water segregator 2 through water circulating pump I 6, eliminates north
Hot water after area's room load flow to South room end 4, most returns to heat pump unit 1 through water collector 3 afterwards.The operating condition lower valve gate-shaped
State is that shut-off valve I 10 is opened, shut-off valve II 11 closes, shut-off valve III 12 closes, shut-off valve IV 13 is opened, shut-off valve V 14 closes.
In winter under operating condition, when building load rises, return water is incuded by the temperature sensor I 9 behind North room end 5
Temperature reduces, and then controls shut-off valve II 11, shut-off valve V 14, water circulating pump II 7 and open, and control shut-off valve IV 13 is closed.This
When, original place is changed into parallel connection in the South room end 4 of series connection and North room end 5.It is generated by heat pump unit 1
Hot water two, north and south branch is formed by water segregator 2 through water pump in parallel, after eliminating each branch room load, ended by opening
Valve V 14 returns to heat pump unit 1 after converging to water collector 3.The operating condition lower valve door state be shut-off valve I 10 open, shut-off valve II 11
It opens, shut-off valve III 12 closes, shut-off valve IV 13 closes, shut-off valve V 14 is opened.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although heat pump unit 1, water segregator 2, water collector 3, South room end 4, North room is used more herein
End 5, water circulating pump I 6, water circulating pump II 7, temperature sensor II 8, temperature sensor I 9, shut-off valve I 10, shut-off valve II 11,
The terms such as shut-off valve III 12, shut-off valve IV 13, shut-off valve V 14, but it does not exclude the possibility of using other terms.Use this
A little terms are only for the convenience of describing and explaining the nature of the invention；It is construed as any additional limitation
It is all to be disagreed with spirit of that invention.
Claims (10)
1. a kind of air-conditioner water system cold and hot amount gradient utilization system, including heat pump unit (1), which is characterized in that the heat pump
Unit (1) one end respectively with water circulating pump I (6) and water circulating pump II (7) is parallel with one another connects, the water circulating pump I (6) and
Water circulating pump II (7) is connected with water segregator (2), and the heat pump unit (1) other end is connected with water collector (3), in Fen Shui
South room end (4) and North room end (5), and the South room are respectively equipped between device (2) and water collector (3)
End (4) and North room end (5) are oppositely arranged, and being equipped between the water segregator (2) and water collector (3) can be by heat pump machine
Group (1) respectively with South room end (4) and North room end (5) and couple or can be by heat pump unit (1), South room
End (4) and North room end (5) three are sequentially connected in series the series-parallel switching construction connect.
2. air-conditioner water system cold and hot amount gradient utilization system according to claim 1, which is characterized in that described cuts in series and parallel
Changing structure includes the shut-off valve I (10) being connected with North room end (5) one end, the shut-off valve I (10) and water segregator (2)
It is connected, North room end (5) other end is connected by shut-off valve V (14) with water collector (3), and the North
One end that room end (5) is connected with shut-off valve I (10) is connected by shut-off valve III (12) with water collector (3), the South
Room end (4) one end is connected by shut-off valve II (11) with water segregator (2), South room end (4) other end point
Not with shut-off valve V (14) and North room end (5) and couple, the South room end (4) and shut-off valve II (11) phase
One end even is connected by shut-off valve IV (13) with water collector (3).
3. air-conditioner water system cold and hot amount gradient utilization system according to claim 2, which is characterized in that the North room
One end that end (5) is connected with water collector (3) is equipped with temperature sensor I (9).
4. air-conditioner water system cold and hot amount gradient utilization system according to claim 3, which is characterized in that the South room
One end that end (4) is connected with water collector (3) is equipped with temperature sensor II (8).
5. it is a kind of according to claim 1 in -4 any one air-conditioner water system cold and hot amount gradient utilization system air-conditioning water system
Unite cold and hot amount stepped utilization method, which is characterized in that this method the following steps are included:
A, summer operating mode: by series-parallel switching construction that heat pump unit (1), South room is last when building is in underload
End (4) and North room end (5) are sequentially connected in series, when building is in high load capacity, by series-parallel switching construction by heat pump machine
Group (1) respectively with South room end (4) and North room end (5) and couple；
B, winter condition: by series-parallel switching construction that heat pump unit (1), North room is last when building is in underload
End (5) and South room end (4) are sequentially connected in series, when building is in high load capacity, by series-parallel switching construction by heat pump machine
Group (1) respectively with South room end (4) and North room end (5) and couple.
6. air-conditioner water system cold and hot amount stepped utilization method according to claim 5, which is characterized in that in step, when building
When building in underload, under the operating condition, shut-off valve I (10) is closed, shut-off valve II (11) is opened, shut-off valve III (12) is opened, shut-off valve IV
(13) it closes, shut-off valve V (14) pass, South room end (4) and North room end (5) are in series connection；By heat pump unit
(1) chilled water generated is first delivered to South room end (4) by water segregator (2) through water circulating pump II (7), eliminates South room
Between chilled water flow after load to North room end (5), most return to heat pump unit (1) through water collector (3) afterwards.
7. air-conditioner water system cold and hot amount stepped utilization method according to claim 6, which is characterized in that in step, when building
When building load rising, control shut-off valve I (10), shut-off valve V (14), water circulating pump I (6) are opened, and control shut-off valve III (12) is closed
It closes, original place is changed into parallel connection in the South room end (4) of series connection and North room end (5), by heat pump unit
(1) chilled water generated forms two, north and south branch by water segregator (2) through water pump in parallel, eliminates each branch room load
Afterwards, water collector (3) is converged to by opening shut-off valve V (14) and returns to heat pump unit (1) afterwards, which is cut-off
Valve I (10) is opened, shut-off valve II (11) is opened, shut-off valve III (12) closes, shut-off valve IV (13) closes, shut-off valve V (14) is opened.
8. air-conditioner water system cold and hot amount stepped utilization method according to claim 7, which is characterized in that in stepb, when building
When building in underload, under the operating condition, shut-off valve I (10) is opened, shut-off valve II (11) closes, shut-off valve III (12) closes, shut-off valve IV
(13) it opens, shut-off valve V (14) pass, South room end (4) and North room end (5) are in series connection, by heat pump unit
(1) hot water generated is first delivered to North room end (5) by water segregator (2) through water circulating pump I (6), eliminates North room
Hot water after load flow to South room end (4), most returns to heat pump unit (1) through water collector (3) afterwards.
9. air-conditioner water system cold and hot amount stepped utilization method according to claim 8, which is characterized in that in stepb, when building
When building load rising, control shut-off valve II (11), shut-off valve V (14), water circulating pump II (7) are opened, and are controlled shut-off valve IV (13)
It closes, original place is changed into parallel connection in the South room end (4) of series connection and North room end (5), by heat pump machine
The hot water that group (1) generates forms two, north and south branch by water segregator (2) through water pump in parallel, eliminates each branch room load
Afterwards, water collector (3) is converged to by opening shut-off valve V (14) and returns to heat pump unit (1) afterwards, which is cut-off
Valve I (10) is opened, shut-off valve II (11) is opened, shut-off valve III (12) closes, shut-off valve IV (13) closes, shut-off valve V (14) is opened.
10. air-conditioner water system cold and hot amount stepped utilization method according to claim 9, which is characterized in that in step, when
When building load rises, risen by temperature sensor II (8) the induction return water temperature behind South room end (4), and then control
Shut-off valve I (10), shut-off valve V (14), water circulating pump I (6) are opened, and control shut-off valve III (12) is closed；In stepb, when building
When building load rising, reduced by temperature sensor I (9) the induction return water temperature behind North room end (5), and then control cut-off
Valve II (11), shut-off valve V (14), water circulating pump II (7) are opened, and control shut-off valve IV (13) is closed.
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| CN201811121084.9A CN109386911A (en) | 2018-09-26 | 2018-09-26 | Air-conditioner water system cold and hot amount gradient utilization system and method |
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| CN201811121084.9A CN109386911A (en) | 2018-09-26 | 2018-09-26 | Air-conditioner water system cold and hot amount gradient utilization system and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109945362A (en) * | 2019-03-19 | 2019-06-28 | 张军民 | Heating ventilation air-conditioning system |
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