CN206018862U - A kind of cold and hot dual-purpose varying duty based on cooling water bus adjusts integral system - Google Patents
A kind of cold and hot dual-purpose varying duty based on cooling water bus adjusts integral system Download PDFInfo
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- CN206018862U CN206018862U CN201620916139.5U CN201620916139U CN206018862U CN 206018862 U CN206018862 U CN 206018862U CN 201620916139 U CN201620916139 U CN 201620916139U CN 206018862 U CN206018862 U CN 206018862U
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Abstract
The utility model discloses a kind of cold and hot dual-purpose varying duty based on cooling water bus adjusts integral system, which includes that cooling water bus subsystem and varying duty adjust subsystem, the cooling water bus subsystem includes water circulating pump, recirculated water main line pipeline and the recirculated water bypass line some in parallel with recirculated water main line pipeline communication, is provided with water source heat pump units in the recirculated water bypass line；Each water source heat pump units described are corresponding to be provided with a varying duty regulation subsystem, the varying duty adjusts subsystem includes air-treatment unit and air-supply module, the heat exchange of air and cooling water is realized in the air-treatment unit linkage for adjusting subsystem per the water source heat pump units in recirculated water bypass line described in bar with the accordingly varying duty, after heat-shift, described in some recirculated water bypass lines, cooling water converges in the pipeline of recirculated water main line, and which can effectively be realized reducing air conditioning energy consumption, improve operational efficiency.
Description
Technical field
This utility model is related to air conditioning system field, more particularly to a kind of cold and hot dual-purpose varying duty based on cooling water bus
Adjust integral system.
Background technology
Global energy supplies growing tension, and energy conservation and problem of complex utilization are saved by the common concern of countries in the world
It is a difficult task for a long time that can work.Wherein, building energy conservation is the important component part of whole energy conservation, and builds
The energy consumption of air conditioning system occupies significant proportion in constructing operation energy consumption again, so the energy consumption for reducing air conditioning system is to reduce
The important measures that energy for building is wasted.
For the big-and-middle-sized building with air conditioning system, the neighboring area of building is affected larger, the winter by outdoor weather condition
Need timely heat supply season, summer needs timely cooling, and daily cooling and heating load is also with the conversion of outside air temperature and solar radiant heat
It is in cyclically-varying, the region cooling and heating load of neighboring area difference direction also has necessarily to be distinguished；And build interior zone due to
Machinery equipment, staff etc. can produce heat so that the presence that has surplus heat, which is had very with the cooling and heating load of neighboring area throughout the year
Big difference.Just because of this kind of reason, in heavy construction, diverse location often has certain difference to the regulatory demand of air-conditioning；More
Have notably, such as in the case where day turns cold, it may appear that building neighboring area stops cooling or has started to heat supply, and interior zone
Still need to the phenomenon of cooling.When in the face of this kind of situation, traditional air conditioning system needs to carry out again air heat treatment and then to building
Building neighboring area carries out heat supply, certainly will so cause energy waste.
And, many big-and-middle-sized buildings were affected by office hours and personal heating cooling needs, subregion air-conditioning system
System utilization rate is not high, and especially in transitional season, source pump or the corresponding rate of load condensate of handpiece Water Chilling Units are very low, much deviates high
Effect operating point, COP values（That is the ratio of heating capacity or refrigerating capacity and input power）Much smaller than design conditions, have that " big horse traction is little
The phenomenon of car ".
In addition, for air conditioning system, blower fan is to carry out type selecting under design conditions according to air conditioning system, right
In all-air system, due to needing air to be sent directly into interior, the specific heat of air results in the need for larger air quantity just much smaller than water
The load required for interior can be carried, based on this, the blower fan in all-air system can also cause larger energy consumption.
More than being based on, industry has a kind of effective solution to be supplied to realize the section of big-and-middle-sized air conditioning system
Energy.
Utility model content
This utility model is intended at least solve one of technical problem of prior art presence, is to realize above-mentioned utility model mesh
, this utility model provides a kind of cold and hot dual-purpose varying duty based on cooling water bus and adjusts integral system, and which specifically sets
Meter mode is as follows.
A kind of cold and hot dual-purpose varying duty based on cooling water bus adjusts integral system, including cooling water bus subsystem
And varying duty adjusts subsystem, it is characterised in that the cooling water bus subsystem includes circulating water pipeline, water circulating pump, institute
State inside circulating water pipeline have cooling water, the circulating water pipeline include recirculated water main line pipeline and with the recirculated water main line
Some recirculated water bypass lines in parallel of pipeline communication, are provided with water source heat pump units in the recirculated water bypass line；Institute
State that each water source heat pump units is corresponding to be provided with the varying duty and adjust subsystem, the varying duty adjusts subsystem bag
Air-treatment unit and air-supply module is included, the air-supply module includes air supply duct, blower fan and variable air volume box VAVbox, described sent
Wind module is used for delivering the air to the space that connects with the air supply duct terminal to meet the temperature in the space and/or wet
Degree demand；Subsystem is adjusted per the water source heat pump units in recirculated water bypass line described in bar with the accordingly varying duty
The heat exchange of air and cooling water is realized in the linkage of air-treatment unit, and after carrying out heat exchange, the air is sent via described
Wind pipeline enters the space connected with the air supply duct terminal, and described in some recirculated water bypass lines, cooling water is in recirculated water
Converge in the pipeline of main line.
Further, the integral system is used for the building for being divided into dissimilar region by different hot-cool demands, with
Cooling and/or heat supply are realized simultaneously in dissimilar region.
Further, the Water source heat pump unit component layers are arranged, and same level includes some water source heat pump units, per
Water source heat pump units described in one are matched with the same type region of building.
Further, the varying duty adjusts subsystem includes an air-treatment unit and several variable air volume box
VAVbox.
Further, apertures of the variable air volume box VAVbox according to the load adjustment valve in all types of regions.
Further, the blower fan is frequency conversion fan, the valve of the frequency of the blower fan according to the variable air volume box VAVbox
Aperture is adjusted.
Further, the water source heat pump units are according to cold in the wind pushing temperature and the circulating water pipeline of the air supply duct
But water return water temperature automatically adjusts output.One more specifically mode, the water source heat pump units are by adjusting inside which
The operation quantity of compressor is realizing.
Further, the cooling water bus subsystem also includes cooling tower, boiler, and the cooling tower, boiler are in parallel to be set
Put on the pipeline of the recirculated water main line.
Further, the integral system also includes control subsystem, expansion tank, coil pipe, wherein, control
System is used for the operation for controlling the integral system, and the expansion tank is used for housing the breathing amount with water in compensation system,
The coil pipe is used for the exchange for realizing cold or heat in the integral system.
In addition, for more preferable this utility model, the invention also discloses a kind of based on the cold and hot of cooling water bus
Dual-purpose varying duty adjusts the cold and hot dual-purpose operation method of integral system, and which comprises the following steps：
A, in the type area for needing cooling, accordingly the water source heat pump units press refrigeration modes operation, air lead to
Cross air-treatment unit and heat is passed to the cooling water in recirculated water bypass line；
B, in the type area for needing cooling, the water source heat pump units are run by the mode of heating accordingly, air lead to
Cross air-treatment unit and cold is passed to the cooling water in recirculated water bypass line；
Cooling water in two step of c, a and b converges in the pipeline of the recirculated water main line；
The actual temperature for converging cooling water in the pipeline of Posterior circle water main line is passed through in d, detection, by its setting temperature with cooling water
Degree scope is contrasted, if the actual temperature of cooling water is higher than design temperature range limit, cooling tower is enabled, and cooling water passes through
Cooling tower carries out being cooled to temperature in the range of design temperature；If the actual temperature of cooling water is less than design temperature range lower limit
When, boiler is enabled, and cooling water carries out being heated to temperature in the range of design temperature by boiler.
Based on above design, this utility model has the advantages that：
1）When carrying out cooling and heat supply to building zones of different at the same time, in cooling water bus subsystem, zones of different
Cooling water converged by recirculated water main line pipeline, to realize the phase of cooling water cold and heat in different recirculated water bypass lines
Mutually offset, so as to reduce on the pipeline of the recirculated water main line load undertaken by cooling tower or boiler accordingly；2）The water resource heat pump
Unit can realize the adjustment of power according to demand, so that water source heat pump units are protected on the premise of user side demand is met
Hold high-efficiency operation, it is to avoid the situation for causing COP values to decline because of underrun；3）In this utility model, blower fan is according to room
Internal loading changes frequency adjustment air output automatically, it is ensured that significantly reduce the power consumption of blower fan on the premise of indoor load demand.
Description of the drawings
Fig. 1 is a kind of subregion schematic diagram of involved building in this utility model；
Fig. 2 is a kind of embodiment schematic diagram that cooling water bus subsystem mainly constitutes structure in this utility model；
Fig. 3 is a kind of embodiment schematic diagram that this utility model varying duty adjusts that subsystem mainly constitutes structure.
Specific embodiment
This utility model is described in detail below with reference to each embodiment shown in the drawings, referring to figs. 1 to Fig. 3 institutes
Show, its show for some better embodiments of the present utility model.
Fig. 1 show a kind of subregion schematic diagram of building, and the present embodiment is of the present utility model for relatively simple displaying
It is intended to, building interior is only divided on plane space interior zone and perimeter, in some other embodiment, can be by
Building interior is divided into more regions.
Match with the building of subregion shown in Fig. 1, Fig. 2 show cooling water bus subsystem in this utility model and mainly constitutes
A kind of embodiment schematic diagram of structure, Fig. 3 show this utility model varying duty and adjust one kind that subsystem mainly constitutes structure
Embodiment schematic diagram.
In conjunction with the cold and hot dual-purpose varying duty regulation integration system based on cooling water bus shown in accompanying drawing, in the present embodiment
System, adjusts subsystem including cooling water bus subsystem and varying duty.
Wherein, cooling water bus subsystem basic structure is as shown in Fig. 2 which includes circulating water pipeline, water circulating pump（In figure
Not shown, for driving cycle water in circulating water pipeline circulation）, there is inside circulating water pipeline cooling water, recirculated water
Pipeline includes recirculated water main line pipeline and the recirculated water bypass line some in parallel with recirculated water main line pipeline communication.With reference to figure
Shown in 2, in 3 recirculated water bypass lines, a set of water source heat pump units are provided with.
With reference to shown in Fig. 3, each water source heat pump units is corresponding to be provided with a varying duty regulation subsystem, and varying duty is adjusted
Sub-system includes air-treatment unit（It is reduced to AHU）And air-supply module, wherein, air-supply module includes air supply duct, blower fan
（Not shown in figure, for driving air supply duct inner air to circulate）And variable air volume box VAVbox, air-supply module is used for air
It is delivered to particular space to meet temperature and/or the moisture requirement in space.As shown in figure 3, the air being made up of fresh air and return air
Through air-treatment unit（AHU）The space that building interior is connected is sent into air supply duct terminal by by air-supply module（I.e.
Room shown in figure）.
More specifically, the water source heat pump units in every recirculated water bypass line and phase strain burden regulon system
Air-treatment unit（AHU）The heat exchange of air and cooling water is realized in linkage, and after carrying out heat exchange, air is via ajutage
Road enters the space connected with the air supply duct terminal, and described in some recirculated water bypass lines, cooling water is on recirculated water main line
Converge in pipeline.
In some more specifically system operation, water source heat pump units and air-treatment unit（AHU）Linkage
Concrete mode is：The corresponding water source heat pump units in region of cooling are needed to run by refrigeration modes, air is in air-treatment unit
（AHU）The middle recirculated water that heat is passed to chilled water, heat is finally passed to again in cooling water circulation pipeline；And need heat supply
The corresponding water source heat pump units in region are run by the mode of heating, and are finally also passed to the cold of air in cooling water circulation pipeline
Recirculated water.
Integral system of the present utility model is applied to the building for being divided into dissimilar region by different hot-cool demands
（It is not limited to partition method shown in Fig. 1）, which includes the big-and-middle-sized buildings such as office block, commercial building, comprehensive office block, adopts
Cooling and/or heat supply can be realized simultaneously in dissimilar region with integral system of the present utility model（I.e. all regions are same
When heat supply while cooling or subregion heat supply subregion cooling）.
Water source heat pump unit component layers in this utility model are arranged, and for skyscraper, i.e., are provided with per floor
A number of water source heat pump units, used as a kind of optimal way, each water source heat pump units in each layer are correspondingly built
Same type region in thing（Same type region represents that the region only needs heat supply or only needs cooling）.As shown in Fig. 2 each water
Source source pump is only matched with interior zone or perimeter, there are no same water source heat pump units with internal, perimeter
Mate simultaneously；In other words, the region corresponding to water source heat pump units would not occur while supplying within certain specific time
Heat and the situation of cooling.
In one embodiment, if varying duty of the present utility model adjust subsystem include an air-treatment unit and
Dry variable air volume box VAVbox, wherein, apertures of the variable air volume box VAVbox according to the load adjustment valve in all types of regions.As schemed
Shown in 3, the corresponding varying duty regulating system of each water source heat pump units, it is multiple which undertakes the same area as an entirety
The load in room.In traditional air conditioning system, water source heat pump units correspond to multiple air-treatment units, due to each sky
The loading that the corresponding region of gas disposal unit needs is different, so the water temperature for needing is also different, and a water resource heat pump can only
There is provided a kind of water temperature so that the cold or heat required for some regions is not being met, other can only be adopted extremely sometimes
The mode of power consumption（Such as reheating）Solve；And this utility model is using the corresponding varying duty regulating system of each water resource heat pump
Form, preferably solves the problem.
Used as preferred version of the present utility model, the blower fan in this utility model is frequency conversion fan, the frequency of blower fan according to
The valve opening of variable air volume box VAVbox is adjusted.Relative to constant air volume system, which can realize different room temperatures
Personal settings；In addition, traditional CPC control is the rotating speed for adjusting blower fan according to the static pressure of pipeline point, but static pressure point
Selection and the problem of setting of static pressure yet suffer from, common solution is to choose higher static pressure setting value to ensure
The demand of load, but when workload demand is relatively low, the running status of the system is valve opening very little, while blower fan is guarantee
Static pressure setting value still needs the rotating speed for keeping certain, and energy consumption now is all consumed on valve so that system effectiveness is relatively low.
And using static pressure mode is become in the present embodiment, which can adjust the rotating speed of blower fan according to the aperture of end valve, so that
Valve is opened greatly as much as possible, and blower fan ensures the demand of air quantity under alap rotating speed, it is achieved thereby that saving to greatest extent
Energy.
In addition, water source heat pump units of the present utility model can be according to cold in the wind pushing temperature of air supply duct and circulating water pipeline
But water return water temperature automatically adjusts output.One more specifically mode, water source heat pump units are by adjusting its internal compression
The operation quantity of machine is adjusted with realizing output.
According to embodiment of above, the cooling water bus subsystem in this utility model also includes cooling tower, boiler, involved
And cooling tower, boiler is in parallel is arranged on the pipeline of recirculated water main line, so as to realize that cooling water is selectively heated
Or refrigeration.Additionally, for the ease of the normal operation of whole integral system, integral system of the present utility model also includes control
Subsystem, expansion tank, coil pipe etc., wherein, control subsystem is used for the operation for controlling the integral system（For realizing
System is automatically or manually controlled）, for housing the breathing amount with water in compensation system, coil pipe is used for realizing integrally expansion tank
Heat in change system（Or cold）Exchange.In some more specifically embodiment, air supply duct in this utility model,
The parts such as coil pipe, valve are the integrated design manufacture, in order to Fast Installation, so as to have in greenfield or transformation project
There is great installation advantage.
This utility model additionally provides a kind of cold and hot dual-purpose varying duty based on cooling water bus and adjusts integral system
Cold and hot dual-purpose operation method, which comprises the following steps：
A, in the type area for needing cooling, corresponding water source heat pump units press refrigeration modes operation, air by sky
Gas disposal unit is passed to the cooling water in recirculated water bypass line by heat；
B, in the type area for needing cooling, corresponding water source heat pump units are run by the mode of heating, air by sky
Gas disposal unit is passed to the cooling water in recirculated water bypass line by cold；
Cooling water in two step of c, a and b converges in the pipeline of recirculated water main line；
The actual temperature for converging cooling water in the pipeline of Posterior circle water main line is passed through in d, detection, by its setting temperature with cooling water
Degree scope is contrasted, if the actual temperature of cooling water is higher than design temperature range limit, cooling tower is enabled, and cooling water passes through
Cooling tower carries out being cooled to temperature in the range of design temperature；If the actual temperature of cooling water is less than design temperature range lower limit
When, boiler is enabled, and cooling water carries out being heated to temperature in the range of design temperature by boiler.
In conjunction with Fig. 1 to Fig. 3, specifically it is unfolded as follows：
When overall situation temperature reduces（Such as day has just turned cool）, the perimeter that can face building as shown in Figure 1 needs to supply
Heat, interior zone need to continue cooling due to having a case that waste heat.Now, system is to interior of building district cooling, interior
The water source heat pump units in portion region press refrigeration modes operation, fresh air mix with return air after in air-treatment unit（AHU）Middle by heat
Amount passes to chilled water, and is ultimately transferred to cooling water；The water source heat pump units of perimeter are run by the mode of heating, in air
Cold is finally also passed to cooling water, and then cooling water converges in the pipeline of recirculated water main line so that aforementioned obtained heat
Realize partly or entirely offsetting with cold, so as to greatly reduce the load undertaken needed for cooling tower or boiler.In system just
When often running, the temperature of the cooling water of system is maintained in scope of design, usually 15-35 DEG C, when system cooling water temperature height
When 35 DEG C of the upper limit is designed, cooling tower is opened, and recirculated water is radiated by cooling tower；When system cooling water temperature is less than design
During 15 DEG C of lower limit, boiler comes into operation, and recirculated water is heated, and thereby guarantees that cooling water temperature is maintained in scope of design.
At the same time, the user of chummery can be according to the design temperature that needs of oneself thermal comfort, and air-valve is according to setting
Temperature changes aperture with the difference of indoor actual temperature, and blower fan changes rotating speed according to the aperture of airduct static pressure or valve, in real time
Mating for air quantity and required load is realized, the energy consumption of blower fan is reduced in the case where workload demand is ensured as much as possible.
In addition, in order to be better understood from this utility model, further making herein below supplement：
First, is being spent degree type season, as everyone there are different Thermal comforts to receive to temperature, in identical outdoor temperature
Under the conditions of, only groups of people select to open air-conditioning.For traditional air conditioning system, Zheng Dong buildings use concentration Large Scale Cold
Machine, will necessarily be run in low efficiency point in this case.And pass through one kind that this utility model provides and be based on cooling water bus
Cold and hot dual-purpose varying duty adjust integral system, only open the corresponding water source heat pump units in region in air-conditioning and automatically turn on,
And other water source heat pump units are then shut down, as the capacity of this water resource heat pump is less, rate of load condensate is of a relatively high, while water source is warm
Pump can control the number of compressor according to supply water temperature, so as to ensure that water resource heat pump can be transported under the operating mode of high energy efficiency point
OK.The integral system that basic utility model is provided ensure that system is annual all in the interval operation of greater efficiency, so as to reduce
The consumption of the energy,
Secondly, subsystem is adjusted for varying duty, variable air volume box VAVbox can be according to indoor design temperature and interior reality
Temperature changes the aperture of valve automatically.For summer, big valve is then opened when indoor temperature is higher than design temperature, and work as Indoor Temperature
Valve is then turned down when degree is less than set temperature value.For winter, valve is then turned down when indoor temperature is higher than design temperature, and worked as
Indoor temperature then opens big valve when being less than set temperature value.Frequency of the simultaneity factor according to the aperture adjust automatically blower fan of each valve
Rate, so as to ensure that blower fan meets the air quantity required for interior under alap frequency, also can realize energy-conservation to greatest extent.
It should be understood that, although this specification is been described by according to embodiment, but not each embodiment only includes one
Individual independent technical scheme, this narrating mode of description is only that those skilled in the art will should say for clarity
Used as an entirety, the technical scheme in each embodiment can also be through appropriately combined, and forming those skilled in the art can for bright book
With the other embodiment for understanding.
Those listed above is a series of to describe the tool for being only for feasibility embodiment of the present utility model in detail
Body illustrates that they are simultaneously not used to limit protection domain of the present utility model, all is made without departing from this utility model skill spirit
Equivalent implementations or change are should be included within protection domain of the present utility model.
Claims (9)
1. a kind of cold and hot dual-purpose varying duty based on cooling water bus adjusts integral system, including cooling water bus subsystem and
Varying duty adjusts subsystem, it is characterised in that
The cooling water bus subsystem includes circulating water pipeline, water circulating pump, and there is cooling water inside the circulating water pipeline,
The circulating water pipeline includes recirculated water main line pipeline and the recirculated water some in parallel with recirculated water main line pipeline communication
Bypass line, is provided with water source heat pump units in the recirculated water bypass line；
Each water source heat pump units described are corresponding to be provided with a varying duty regulation subsystem, the varying duty regulon
System includes that air-treatment unit and air-supply module, the air-supply module include air supply duct, blower fan and variable air volume box VAVbox,
The air-supply module is used for delivering the air to the space that connects with the air supply duct terminal to meet the temperature in the space
And/or moisture requirement；
The sky of subsystem is adjusted per the water source heat pump units in recirculated water bypass line described in bar with the accordingly varying duty
The heat exchange of air and cooling water is realized in the linkage of gas disposal unit, and after carrying out heat exchange, the air is via the air-supply
Pipeline enters the space connected with the air supply duct terminal, and cooling water described in some recirculated water bypass lines is dry in recirculated water
Converge in the pipeline of road.
2. the cold and hot dual-purpose varying duty based on cooling water bus according to claim 1 adjusts integral system, its feature
It is, the integral system is used for the building for being divided into dissimilar region by different hot-cool demands, with dissimilar
Cooling and/or heat supply are realized simultaneously in region.
3. the cold and hot dual-purpose varying duty based on cooling water bus according to claim 2 adjusts integral system, its feature
It is, the Water source heat pump unit component layers are arranged, same level includes some water source heat pump units, each water source
Source pump is matched with the same type region of building.
4. the cold and hot dual-purpose varying duty based on cooling water bus according to Claims 2 or 3 adjusts integral system, and which is special
Levy and be, the varying duty adjusts subsystem includes an air-treatment unit and several variable air volume box VAVbox.
5. the cold and hot dual-purpose varying duty based on cooling water bus according to claim 4 adjusts integral system, its feature
It is, apertures of the variable air volume box VAVbox according to the load adjustment valve in all types of regions.
6. the cold and hot dual-purpose varying duty based on cooling water bus according to claim 5 adjusts integral system, its feature
It is, the blower fan is frequency conversion fan, and the frequency of the blower fan adjusted according to the valve opening of the variable air volume box VAVbox
Whole.
7. the cold and hot dual-purpose varying duty based on cooling water bus according to claim 1 adjusts integral system, its feature
It is, the water source heat pump units are according to cooling water backwater temperature in the wind pushing temperature and the circulating water pipeline of the air supply duct
Degree automatically adjusts output.
8. the cold and hot dual-purpose varying duty based on cooling water bus according to claim 1 adjusts integral system, its feature
It is, the cooling water bus subsystem also includes cooling tower, boiler, what the cooling tower, boiler were in parallel is arranged on described following
On the pipeline of Huan Shui main lines.
9. the cold and hot dual-purpose varying duty based on cooling water bus according to claim 1 adjusts integral system, its feature
It is, the integral system also includes control subsystem, expansion tank, coil pipe, wherein, the control subsystem is used for controlling
The operation of the integral system is made, the expansion tank is used for housing the breathing amount with water in compensation system, and coil pipe is used for real
The existing integral system heat or the exchange of cold.
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| CN201620916139.5U CN206018862U (en) | 2016-08-22 | 2016-08-22 | A kind of cold and hot dual-purpose varying duty based on cooling water bus adjusts integral system |
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| CN201620916139.5U CN206018862U (en) | 2016-08-22 | 2016-08-22 | A kind of cold and hot dual-purpose varying duty based on cooling water bus adjusts integral system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106152318A (en) * | 2016-08-22 | 2016-11-23 | 苏州市创建空调设备有限公司 | A kind of varying duty regulation integral system based on cooling water bus and operation method |
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2016
- 2016-08-22 CN CN201620916139.5U patent/CN206018862U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106152318A (en) * | 2016-08-22 | 2016-11-23 | 苏州市创建空调设备有限公司 | A kind of varying duty regulation integral system based on cooling water bus and operation method |
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