CN108800391A - A kind of three control control valve group and the central air conditioning water system with it - Google Patents
A kind of three control control valve group and the central air conditioning water system with it Download PDFInfo
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- CN108800391A CN108800391A CN201810880366.0A CN201810880366A CN108800391A CN 108800391 A CN108800391 A CN 108800391A CN 201810880366 A CN201810880366 A CN 201810880366A CN 108800391 A CN108800391 A CN 108800391A
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- Prior art keywords
- valve
- return
- water
- pressure
- water inlet
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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
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0003—Exclusively-fluid systems
Abstract
The present invention discloses a kind of three control control valve group and the central air conditioning water system with it, three control control valve groups include high pressure intake, for returning double-purpose mouth, low pressure return mouth, high-pressure water inlet valve, low pressure return valve, first check valve, second check valve, feed water inlet, water return outlet, high pressure intake is sequentially communicated high-pressure water inlet valve, feed water inlet, low pressure return mouth is sequentially communicated low pressure return valve, water return outlet, the outlet of the first check valve is connected to for returning double-purpose mouth, it is connected to the import of the second check valve simultaneously, the import of first check valve is connected to low pressure return valve simultaneously, water return outlet, the outlet of second check valve is connected to high-pressure water inlet valve simultaneously, feed water inlet；The present invention may be implemented, without the three control air-conditioning flow switching controls for mixing water, not changing air conditioning terminal water (flow) direction, simple and reliable.
Description
Technical field
The invention belongs to air conditioner technical fields, and in particular to a kind of three control control valve group and the central hollow with it
Water transfer system.
Background technology
The central air conditioning water system of the prior art is divided into two pipes system, three control, four-pipe system three types, wherein two pipes system system
System winter hot-water supply, summer supply cold water, and a kind of medium water of temperature is conveyed in identical pipeline, although system is simple,
But when meeting the big requirement of different zones in system, different periods, load variations simultaneously, the cascade utilization of the energy is cannot achieve,
System energy consumption is very big；Though existing three control system is respectively provided with the water supply pipe of two different temperatures, return water shares one
Pipeline can cause the energy loss that different temperatures return water mixes, operational efficiency low；Four-pipe system system different temperatures for return pipe
It is provided separately, becomes two sets of autonomous systems of different temperatures, though it is easy to adjust, it is suitable for the various change situation of room load,
And not the problem of not having the loss of return water mixed tensor, but its pipe-line system is complicated, and initial cost is high, and energy cascade utilization is inadequate,
Energy-saving effect is bad；A kind of energy cascade utilization disclosed in the Chinese patent application 2018102987374 that inventor has been filed on
Three control central air conditioning water systems, simple realization is without the three control air conditioner waters cycle for mixing water, since air-conditioning is last when water route switch
End water (flow) direction is also required to change, and general electric electromagnetic valve and filter all have unidirectional installation requirement, practical apolegamy tired
It is difficult.
Invention content
The purpose of the present invention is to provide a kind of three control control valve groups, do not change air conditioning terminal water (flow) direction, realize nothing
The three control air-conditioning water routes switching of mixed water and cycle.
The present invention also provides a kind of central air conditioning water systems with the three control control valve group, using air conditioning terminal subregion
Independent regulation and control model, while meeting different zones in total system, different periods, load with the requirement that need to change, avoid return water mixed
Energy loss is closed, realizes the cascade utilization of the energy, reaches not only comfortable but also energy-efficient purpose.
The present invention solution be：A kind of three control control valve group provided by the invention, including high pressure intake, for return
Double-purpose mouth, low pressure return mouth, high-pressure water inlet valve, low pressure return valve, the first check valve, the second check valve, feed water inlet, water return outlet；
High pressure intake is sequentially communicated high-pressure water inlet valve, feed water inlet；Low pressure return mouth is sequentially communicated low pressure return valve, water return outlet；For returning
Double-purpose mouth is connected to the outlet of the first check valve while being connected to the import of the second check valve；The import of first check valve is connected to simultaneously
Low pressure return valve, water return outlet；The outlet of second check valve is connected to high-pressure water inlet valve, feed water inlet simultaneously.
The present invention also provides a kind of central air conditioning water systems with the three control control valve group, including aforementioned three control control
Valve group processed and double grade high pressure energy source stations, three control water circulation pipes, air conditioning terminal.
Constant pressure is double for return water in double grade high pressure energy source stations, including the high constant pressure water supply interface of high-grade, middle grade
With interface, low pressure return interface；Three control water circulation pipes include in the high constant pressure water supply pipe of high-grade, middle grade constant pressure for return water
Two-purpose tube, low pressure return pipe；The air conditioning terminal is equipped with water inlet, water outlet, filter.
Constant pressure connects for return water double-purpose in the high constant pressure water supply interfaces of high-grade of double grade high pressure energy source stations, middle grade
Mouth, low pressure return interface, pass through constant pressure in the high constant pressure water supply pipe of high-grade of the three control water circulation pipe, middle grade respectively
For return water two-purpose tube, low pressure return pipe, correspond to the high pressure intake of the three control control valve group, for returning double-purpose mouth, low pressure
Water return outlet is connected to；The feed water inlet of the three control control valve group is sequentially communicated the filter of the air conditioning terminal, water inlet, described
The water return outlet of three control control valve groups is connected to the water outlet of the air conditioning terminal.
Central air conditioning water system with aforementioned three control control valve group realizes energy cascade utilization, reaches comfortable energy-efficient
Method is：High-grade, low can be set separately in load variations of the three control control valve groups according to air conditioning terminals, comfortable, energy saving needs
Four kinds of grade, the big temperature difference, pure wind turbine patterns.
Select high-grade pattern：Linkage closes low pressure return valve, opens high-pressure water inlet valve, and double grade high pressure energy source stations are logical
The high constant pressure water of high-grade for crossing high-grade high constant pressure water supply interface output, pass sequentially through the high constant pressure water supply pipe of high-grade, high pressure into
The mouth of a river, high-pressure water inlet valve, feed water inlet, filter, water inlet inflow air conditioning terminal release are cold（Heat）Amount, successively through water outlet, return
The mouth of a river, the first check valve, for returning double-purpose mouth, constant pressure converges into middle grade constant pressure for return water for return water two-purpose tube in middle grade
Double-purpose interface, it is defeated from the high constant pressure water supply interface cycle of high-grade again after double grade high pressure energy source stations promote grade supercharging
Go out.
Select low-grade pattern：Linkage closes high-pressure water inlet valve, opens low pressure return valve, double grade high pressure energy
It stands in being exported for return water double-purpose interface by constant pressure in middle grade constant pressure water in grade, passes sequentially through in middle grade constant pressure for return water
Two-purpose tube, for return double-purpose mouth, the second check valve, feed water inlet, filter, water inlet flow into air conditioning terminal release it is cold（Heat）Amount, according to
It is secondary to flow to low pressure return interface through water outlet, water return outlet, low pressure return valve, low pressure return mouth, low pressure return manifold, through double grades
After high pressure energy source station promotes grade supercharging, therefrom constant pressure recycles output for return water double-purpose interface in grade again.
Select big temperature difference pattern：United opening low pressure return valve opens high-pressure water inlet valve, and double grade high pressure energy source stations are logical
The high constant pressure water of high-grade for crossing high-grade high constant pressure water supply interface output, pass sequentially through the high constant pressure water supply pipe of high-grade, high pressure into
The mouth of a river, high-pressure water inlet valve, feed water inlet, filter, the big temperature difference release of water inlet inflow air conditioning terminal are cold（Heat）Amount, successively through water outlet
Mouth, water return outlet, low pressure return valve, low pressure return mouth, low pressure return manifold flow to low pressure return interface, through double grade senior middle schools pressure energy
After source station promotes grade supercharging, again from the high constant pressure water supply interface cycle output of high-grade.
Select pure wind turbine pattern：Linkage simultaneously closes off high-pressure water inlet valve and low pressure return valve, and the water in air conditioning terminal stops
Flowing, stopping release are cold（Heat）Amount, the operating of air conditioning terminal wind turbine are realized without temperature difference air circulation.
The high constant pressure water of high-grade of the high constant pressure water supply interface output of high-grade of double grade high pressure energy source stations, relatively
Constant pressure is preferably set for constant pressure water in the output of return water double-purpose interface or the middle grade to flow back, refrigeration season temperature difference in the middle grade
It is set to low 5 degree or more, heating season temperature difference is preferably set to high 5 degree or more.
High-pressure water inlet valve and low pressure return valve of the present invention, can select solenoid electric valve, motorized adjustment control valve.
Air conditioning terminal of the present invention can be selected in fan coil, Fresh air handling units, water ring air-conditioning, grounding heat coil tube etc.
It is one or more of.
Beneficial effects of the present invention：A kind of three control control valve group provided by the invention is realized empty without three control for mixing water
Water transfer stream switching control does not change air conditioning terminal water (flow) direction, simple and reliable.
The present invention provides a kind of central air conditioning water system with the three control control valve group, the two pipes system with the prior art
System is compared, and has energy saving, comfortable, zonal control conveniently, the low advantage of operating cost；With the four-pipe system system phase of the prior art
Than with more energy efficient, comfortable, pipe-line system is simple, the advantage that initial cost is low, operating cost is low；With three control of the prior art
System is compared, simple and reliable, is avoided the loss of return water mixed tensor, is realized the cascade utilization of the energy, has energy saving, comfortable, fortune
The low advantage of row expense.
Description of the drawings：
Fig. 1 is a kind of structural schematic diagram of three control control valve group embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of the central air conditioning water system embodiment with the three control control valve group of the present invention；
Reference numeral：Constant pressure is double for return water in double grade high pressure energy source stations 1, the high constant pressure water supply interface 11 of high-grade, middle grade
With interface 12, low pressure return interface 13；Constant pressure supplies in the high constant pressure water supply pipe 21 of three control water circulation pipes 2, high-grade, middle grade
Return water two-purpose tube 22, low pressure return pipe 23；Three control control valve groups 3, high pressure intake 31, for return double-purpose mouth 32, low pressure return
Mouth 33, high-pressure water inlet valve 34, low pressure return valve 35, the first check valve 36, the second check valve 37, feed water inlet 38, water return outlet 39；It is empty
Adjust end 4, water inlet 41, water outlet 42, filter 43.
Specific implementation mode：
The specific implementation method of the present invention is described further with specific embodiment below.
Three control control valve group embodiments of one kind of the invention are as shown in Figure 1：Three control control valve groups 3 include high pressure intake
31, unidirectional for returning double-purpose mouth 32, low pressure return mouth 33, high-pressure water inlet valve 34, low pressure return valve 35, the first check valve 36, second
Valve 37, feed water inlet 38, water return outlet 39；High pressure intake 31 is sequentially communicated high-pressure water inlet valve 34, feed water inlet 38；Low pressure return mouth 33
It is sequentially communicated low pressure return valve 35, water return outlet 39；Outlet while the connection second of the first check valve 36 are connected to for returning double-purpose mouth 32
The import of check valve 37；The import of first check valve 36 is connected to low pressure return valve 35, water return outlet 39 simultaneously；Second check valve 37
It exports while being connected to high-pressure water inlet valve 34, feed water inlet 38.
A kind of central air conditioning water system embodiment with the three control control valve group of the present invention is as shown in Figure 2：Including double
Grade high pressure energy source station 1, three control water circulation pipes 2, three control control valve groups 3, air conditioning terminal 4；Double grade senior middle schools
Constant pressure connects for return water double-purpose interface 12, low pressure return in pressure energy source station 1, including the high constant pressure water supply interface 11 of high-grade, middle grade
Mouth 13；Constant pressure is for return water two-purpose tube in the three control water circulation pipe 2, including the high constant pressure water supply pipe 21 of high-grade, middle grade
22, low pressure return pipe 23；The three control control valve group 3, including high pressure intake 31, for return double-purpose mouth 32, low pressure return mouth
33, high-pressure water inlet valve 34, low pressure return valve 35, the first check valve 36, the second check valve 37, feed water inlet 38, water return outlet 39；It is described
Air conditioning terminal 4, including water inlet 41, water outlet 42, filter 43.
A kind of central air conditioning water system embodiment with the three control control valve group of the present invention is as shown in Figure 2：High pressure into
The mouth of a river 31 is sequentially communicated high-pressure water inlet valve 34, feed water inlet 38, filter 43, water inlet 41；Low pressure return mouth 33 is sequentially communicated low
Push back water valve 35, water return outlet 39, water outlet 42；Outlet while the connection second of the first check valve 36 are connected to for returning double-purpose mouth 32
The import of check valve 37；The import of first check valve 36 is connected to low pressure return valve 35, water return outlet 39 simultaneously；Second check valve 37
It exports while being connected to high-pressure water inlet valve 34, feed water inlet 38；The high constant pressure water supply interface 11 of high-grade is connected to the high constant pressure water supply of high-grade
Pipe 21, high pressure intake 31 are connected to the high constant pressure water supply pipe of high-grade 21；During constant pressure is connected to for return water double-purpose interface 12 in middle grade
Constant pressure is for return water two-purpose tube 22 in grade, for constant pressure in grade in time connection of double-purpose mouth 32 for return water two-purpose tube 22；Low pressure return
Interface 13 is connected to low pressure return pipe 23, and low pressure return mouth 33 is connected to low pressure return pipe 23.
A kind of technical solution of the central air conditioning water system embodiment with the three control control valve group of the present invention is：Three pipes
High-grade, low-grade, big temperature can be set separately in load variations of the control valve group 3 processed according to air conditioning terminal 4, comfortable, energy saving needs
Four kinds of patterns of poor, pure wind turbine.
Select high-grade pattern：Linkage closes low pressure return valve 35, opens high-pressure water inlet valve 34, double grade high pressure energy
It stands the 1 high constant pressure water of high-grade exported by the high constant pressure water supply interface 11 of high-grade, passes sequentially through the high constant pressure water supply pipe of high-grade
21, high pressure intake 31, high-pressure water inlet valve 34, feed water inlet 38, filter 43, water inlet 41 flow into air conditioning terminal 4 discharge it is cold
（Heat）Amount, successively through water outlet 42, water return outlet 39, the first check valve 36, for returning double-purpose mouth 32, constant pressure is double for return water in middle grade
With pipe 22, converges into constant pressure in middle grade and promote grade supercharging through double grade high pressure energy source stations 1 for return water double-purpose interface 12
Afterwards, again from the high cycle of constant pressure water supply interface 11 output of high-grade.
Low-grade pattern, linkage is selected to close high-pressure water inlet valve 34, open low pressure return valve 35, double grade high pressures
Constant pressure water in grade during energy source station 1 is exported by constant pressure in middle grade for return water double-purpose interface 12 passes sequentially through permanent in middle grade
Pressure flows into air-conditioning for return water two-purpose tube 22, for time double-purpose mouth 32, the second check valve 37, feed water inlet 38, filter 43, water inlet 41
End 4 discharges cold（Heat）Amount, successively through water outlet 42, water return outlet 39, low pressure return valve 35, low pressure return mouth 33, low pressure return
Pipe 23 converges into low pressure return interface 13, therefrom permanent in grade again after double grade high pressure energy source stations 1 promote grade supercharging
Pressure is recycled for return water double-purpose interface 12 and is exported.
Big temperature difference pattern, united opening low pressure return valve 35 is selected to open high-pressure water inlet valve 34, double grade high pressure energy
It stands the 1 high constant pressure water of high-grade exported by the high constant pressure water supply interface 11 of high-grade, passes sequentially through the high constant pressure water supply pipe of high-grade
21, high pressure intake 31, high-pressure water inlet valve 34, feed water inlet 38, filter 43, water inlet 41 flow into the 4 big temperature difference of air conditioning terminal and release
It lets cool（Heat）Amount is converged through water outlet 42, water return outlet 39, low pressure return valve 35, low pressure return mouth 33, low pressure return pipe 23 successively
It is connect again from the high constant pressure water supply of high-grade after double grade high pressure energy source stations 1 promote grade supercharging to low pressure return interface 13
11 cycle output of mouth.
Pure wind turbine pattern, linkage is selected to simultaneously close off high-pressure water inlet valve 34 and low pressure return valve 35, the water in air conditioning terminal 4
Stopping flowing, stopping release are cold（Heat）Amount, the operating of 4 wind turbine of air conditioning terminal are realized without temperature difference air circulation.
Claims (4)
1. a kind of three control control valve groups, which is characterized in that including high pressure intake, for returning double-purpose mouth, low pressure return mouth, high pressure
Inlet valve, low pressure return valve, the first check valve, the second check valve, feed water inlet, water return outlet；High pressure intake is sequentially communicated high pressure
Inlet valve, feed water inlet, low pressure return mouth are sequentially communicated low pressure return valve, water return outlet, and the first check valve is connected to for returning double-purpose mouth
Outlet while the import for being connected to the second check valve, the import of the first check valve are connected to low pressure return valve, water return outlet simultaneously, and second
The outlet of check valve is connected to high-pressure water inlet valve, feed water inlet simultaneously.
2. three control control valve group according to claim 1, which is characterized in that the high-pressure water inlet valve, low pressure return valve
For electromagnetic switching valve.
3. three control control valve group according to claim 1, which is characterized in that the high-pressure water inlet valve, low pressure return valve
For electric control valve.
4. a kind of central air conditioning water system, which is characterized in that including three control control valve of claim 1-3 any one of them
Group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810880366.0A CN108800391A (en) | 2018-08-03 | 2018-08-03 | A kind of three control control valve group and the central air conditioning water system with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810880366.0A CN108800391A (en) | 2018-08-03 | 2018-08-03 | A kind of three control control valve group and the central air conditioning water system with it |
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| Publication Number | Publication Date |
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| CN108800391A true CN108800391A (en) | 2018-11-13 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810880366.0A Pending CN108800391A (en) | 2018-08-03 | 2018-08-03 | A kind of three control control valve group and the central air conditioning water system with it |
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| CN (1) | CN108800391A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764572A (en) * | 2019-01-23 | 2019-05-17 | 李社红 | A kind of heat pump unit and the air-conditioning system with it |
| CN112524678A (en) * | 2020-11-30 | 2021-03-19 | 芜湖美的厨卫电器制造有限公司 | Water supply system |
| CN115264690A (en) * | 2022-07-22 | 2022-11-01 | 珠海格力电器股份有限公司 | Bypass heat exchange structure, four-pipe heating recovery system, air conditioning unit and control method |
| CN115264690B (en) * | 2022-07-22 | 2024-05-14 | 珠海格力电器股份有限公司 | Bypass heat exchange structure, four-pipe heating recovery system, air conditioning unit and control method |
-
2018
- 2018-08-03 CN CN201810880366.0A patent/CN108800391A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764572A (en) * | 2019-01-23 | 2019-05-17 | 李社红 | A kind of heat pump unit and the air-conditioning system with it |
| CN112524678A (en) * | 2020-11-30 | 2021-03-19 | 芜湖美的厨卫电器制造有限公司 | Water supply system |
| CN115264690A (en) * | 2022-07-22 | 2022-11-01 | 珠海格力电器股份有限公司 | Bypass heat exchange structure, four-pipe heating recovery system, air conditioning unit and control method |
| CN115264690B (en) * | 2022-07-22 | 2024-05-14 | 珠海格力电器股份有限公司 | Bypass heat exchange structure, four-pipe heating recovery system, air conditioning unit and control method |
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Legal Events
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181113 |