CN107305044A - A kind of energy-saving machine room air-conditioning system and its operation method - Google Patents
A kind of energy-saving machine room air-conditioning system and its operation method Download PDFInfo
- Publication number
- CN107305044A CN107305044A CN201610254995.3A CN201610254995A CN107305044A CN 107305044 A CN107305044 A CN 107305044A CN 201610254995 A CN201610254995 A CN 201610254995A CN 107305044 A CN107305044 A CN 107305044A
- Authority
- CN
- China
- Prior art keywords
- water
- temperature
- energy
- conditioning system
- machine room
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- F24F5/0007—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 cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D1/00—Devices using naturally cold air or cold water
- F25D1/02—Devices using naturally cold air or cold water using naturally cold water, e.g. household tap water
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention relates to a kind of energy-saving machine room air-conditioning system and its operation method.The energy-saving machine room air-conditioning system includes a first circulation loop for being used to freeze, the first circulation loop includes pump, fluid reservoir, condenser, compressor, evaporator and the expansion valve being sequentially connected in series, the two ends of the pump first check valve also in parallel, the compressor two ends second check valve also in parallel, the energy-saving machine room air-conditioning system also includes a second circulation loop for being used to carry out the intake air temperature of the condenser precooling, and the second circulation loop is cooled using natural cooling source to the intake air temperature of the condenser.The circulatory system of precooling is carried out using natural cooling source due to adding, reduce the EAT of condenser in energy-saving machine room air-conditioning system, so as to extend in air-conditioning the year-round operation time of pump in the first circulation system for being used for freezing, the time freezed using the cold of outdoor natural cooling source is increased, thus the annual Energy Efficiency Ratio of lifting energy-conservation computer-room air conditioning system.
Description
【Technical field】
The present invention relates to air-conditioning technical field, more particularly to a kind of energy-saving machine room air-conditioning system and its operation
Method.
【Background technology】
With the development of Modernized Information Technology, communications equipment room number and scale also constantly expand, simultaneously
Under the call of national energy-saving emission reduction policy, reducing energy consumption of machine room turns into the emphasis that numerous operators pay close attention to.
According to investigations, the operation power consumption of only precision air conditioner just accounts for more than the 50% of computer room total electricity consumption in computer room,
Large number of base station, module office in, air conditioning electricity consumption up to base station or module office power consumption 70%
Left and right.Therefore, effectively reduce air-conditioner power consumption turns into the important directions of reduction energy consumption of machine room.
SDC air-conditioning systems (Smart Dual Cycle System, intelligent binary cycle system) are a kind of new
The machinery room energy-saving air conditioner of type, its constitute substantially structure be added on the basis of former refrigeration system it is a set of
Pumping system.When environment is relatively low, the pumping system operation in air-conditioning system, and compressor is bypassed and is stopped
Only run, now, air-conditioning system is the cold that outdoor natural cooling source is obtained by pumping system, is met
Indoor refrigeration demand；When environment temperature is higher, pumping system can not meet refrigeration demand, then
Pumping system is bypassed and out of service, and cold is provided by compressor assembly independent operating.
This system is influenceed and limitation by local environment dry-bulb temperature, and pumping system whole year run time is short,
It is unfavorable for the raising of the annual Energy Efficiency Ratio of system.
【The content of the invention】
The technical problem to be solved in the present invention is the energy-saving machine room air-conditioning system that annual Energy Efficiency Ratio more optimizes
And its operation method.
To solve the above-mentioned technical problem, the present invention provides following technical scheme：
A kind of energy-saving machine room air-conditioning system, the energy-saving machine room air-conditioning system include one be used to freeze the
One circulation loop, the first circulation loop includes the pump (1), fluid reservoir (3), condensation being sequentially connected in series
Device (4), compressor (5), evaporator (6) and expansion valve (12), the two ends of the pump (1) are also in parallel one first
Check valve (21), the compressor two ends second check valve (22) also in parallel, it is characterised in that the section
Energy computer-room air conditioning system, which also includes one, to be used to carry out the second of precooling to the intake air temperature of the condenser (4)
Circulation loop, the second circulation loop is dropped using natural cooling source to the intake air temperature of the condenser (4)
Temperature.
In certain embodiments, the second circulation loop includes：The condenser (4) being sequentially connected in series
Water coil (42), water tank (7) and water pump (11), the water tank (7) be used for store for precooling transmission
Medium, the water pump (11) is used to extract water from the water tank (7) out, and via after the water coil (42) again
The water of the extraction is transmitted back in the water tank (7).
In certain embodiments, the water tank (7) is adiabatic water tank or is embedded in soil or is soaked in
Water tank in waters, is less than environment temperature with the temperature for ensureing its internal Transfer Medium.
In certain embodiments, the second circulation loop also includes：Underground pipe or cooling tower, the ground
Pipe laying or the cooling tower are connected in series with the water coil (42), the water tank (7), the water pump (11), should
After water pump (11) extracts water from the water tank (7) out, via the water coil (42), the underground pipe or should
Cooling tower, is finally returned in the water tank (7).
In certain embodiments, the second circulation loop also includes a motor-driven valve (9), the motor-driven valve (9)
The two ends of the water coil (42) are connected in parallel in, when the motor-driven valve (9) is turned on, the water coil (42) is bypassed,
After the water pump (11) extracts water out from the water tank (7), after the underground pipe or the cooling tower, return
Into the water tank (7).
A kind of operation method of energy-saving machine room air-conditioning system, it includes：Detect environment temperature；When the ring
Border temperature is higher than the Transfer Medium in the second circulation loop for precooling of energy-saving machine room air-conditioning system
During adiabatic condensation temperature, the water pump in the second circulation loop is opened.
In certain embodiments, this method also includes：If the environment temperature, which is less than, enables water coil
Threshold temperature, then open motor-driven valve, and the water coil is bypassed；If the environment temperature is greater than or equal to
The threshold temperature of water coil is enabled, then disconnects motor-driven valve so that the water pump will be extracted out in the water tank
The Transfer Medium is after the water coil, then flows into the cooling tower, finally returns the water tank.
In certain embodiments, this method also includes：Detect the water inlet of the environment temperature and the water coil
The temperature difference between the temperature difference between temperature, or the environment temperature and the inflow temperature of the water tank is adjusted
The flow of Transfer Medium in the whole second circulation loop.
In certain embodiments, when the water pump is variable frequency pump, the step detects the environment temperature and should
The temperature difference between the inflow temperature of water coil or the inflow temperature of the water tank adjusts the second circulation
The flow of Transfer Medium in loop, is specifically included：Detect the water inlet of the environment temperature and the water coil
The temperature difference between temperature or the inflow temperature of the water tank；If it is empty that the temperature difference is more than the energy-saving machine room
The default setting temperature difference of adjusting system, then heighten Transfer Medium flow until maximum；If the temperature difference is less than
Equal to the default setting temperature difference of the energy-saving machine room air-conditioning system, then turn down water system flow and be somebody's turn to do until closing
Water pump.
In certain embodiments, when the water pump for when determining frequency pump, the step detects the environment temperature and should
The temperature difference between the inflow temperature of water coil or the inflow temperature of the water tank adjusts the second circulation
The flow of Transfer Medium in loop, is specifically included：Detect the water inlet of the environment temperature and the water coil
The temperature difference between temperature or the inflow temperature of the water tank；When the temperature difference is less than energy-saving machine room air-conditioning system
In the control system of system during the default setting temperature difference, the water pump is closed.
【Brief description of the drawings】
A kind of structural representation for energy-saving machine room air-conditioning system that Fig. 1 embodiment of the present invention 1 is provided；
A kind of structural representation for energy-saving machine room air-conditioning system that Fig. 2 embodiment of the present invention 2 is provided；
A kind of structural representation for energy-saving machine room air-conditioning system that Fig. 3 embodiment of the present invention 3 is provided；
A kind of flow of the operation method for energy-saving machine room air-conditioning system that Fig. 4 embodiment of the present invention 4 is provided
Figure；
Fig. 5 embodiment of the present invention 4 provide a kind of energy-saving machine room air-conditioning system use variable frequency pump when
The flow chart of operation method；
A kind of energy-saving machine room air-conditioning system of Fig. 6 embodiment of the present invention 4 uses operation side when determining frequency water pump
The flow chart of method.
Reference：
【Embodiment】
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with accompanying drawing
And embodiment, the present invention will be described in further detail.It should be appreciated that described herein specific
Embodiment only to explain the present invention, is not intended to limit the present invention.
As long as in addition, technical characteristic involved in each embodiment of invention described below
Not constituting conflict each other can just be mutually combined.
Embodiment 1
As shown in figure 1, the embodiment of the present invention 1 provides a kind of energy-saving machine room air-conditioning system.The energy-saving machine
Room air-conditioning system includes：Pump 1, the first check valve 21, fluid reservoir 3, condenser 4, compressor 5,
Second check valve 22, evaporator 6, expansion valve 12, water tank 7 and water pump 11.Condenser 4 includes
Fluorine coil pipe 41 and water coil 42, fluorine coil pipe 41 and water coil 42 are that two independent heat hand over coil pipe.
Wherein, pump 1, fluid reservoir 3, condenser 4 and its fluorine coil pipe 41, compressor 5, evaporator 6
It is sequentially connected in series with expansion valve 12, forms a first circulation loop for being used to freeze.Wherein, pump 1
Two ends first check valve 21 also in parallel, one the second check valve 22 of compressor parallel.Followed first
In loop back path, when the intake air temperature of the fluorine coil pipe 41 of condenser 4 is higher than certain threshold value, first is unidirectional
When valve 21 is turned on, the second check valve 22 disconnects, pump 1 is bypassed, energy-saving machine room air-conditioning system only by
Compressor is freezed, and there is provided cold；When the intake air temperature of the fluorine coil pipe 41 of condenser 4 is less than necessarily
When during threshold value, the second check valve 22 is turned on, the first check valve 21 disconnects, compressor 5 is bypassed,
Energy-saving machine room air-conditioning system only runs offer cold by pump 1.
Water coil 42, water tank 7 and the formation second circulation of water pump 11 loop.In second circulation loop,
Water is extracted out and returned via water coil 42 in water tank 7 by water pump 11 from water tank 7.Water tank 7
The water that temperature is less than ambient air temperature can be provided, for cooling down the air through water coil pipe 42.Water tank
7 can be adiabatic water tank, and environment temperature is less than with the water temperature for ensureing its internal required water；
Can also be embedded in soil or invade to steep in waters, to ensure that its internal water temperature is less than environment temperature.
The liquid stored in water tank 7 can be water or ethylene glycol, or other can provide pre-
The liquid of cold-working.Therefore, the second circulation system is to utilize air inlet of the natural cooling source to condenser 4
Temperature is cooled.
The flow direction of the inlet air of condenser 4 is：First pass through and pass through fluorine coil pipe 41 after water coil 42 again
Into condenser 4.And the water in water coil 42 is released from water tank less than ambient air temperature
Water, it can carry out precooling to the air through water coil pipe 42, so that reduce condenser 4 enters wind-warm syndrome
Degree.When the air Jing Guo precooling is cooled down by fluorine coil pipe 41 again, then it can reduce needed for freezing
Energy consumption.Simultaneously as second circulation system passes through to the precooling treatment of inlet air in condenser 4
Reduce the annual working time of intake air temperature extension pump 1 of the fluorine coil pipe 41 of condenser 4.And pump 1 is
The refrigeration demand of interior, its observable index compressor 5 are met by obtaining the cold of outdoor natural cooling source
Energy consumption it is low.That is, for energy-saving machine room air-conditioning system, the time of the annual operation of pump 1
Longer, the Energy Efficiency Ratio of energy-saving machine room air-conditioning system is higher.
Embodiment 2
As shown in Fig. 2 a kind of energy-saving machine room air-conditioning system and embodiment 1 that the embodiment of the present invention 2 is provided
Compare, difference is：Underground pipe 8 is added in second circulation loop.That is, water coil 42,
Underground pipe 8, water tank 7 and water pump 11 are sequentially connected in series to form second circulation loop.
During operation, after water pump 1 extracts the water in water tank 7 out, air is carried out through water coil pipe 42
Precooling, is then returned in water tank via the cooling of underground pipe 8.
Underground pipe 8 can be cooling tower 10 or the water ring for absorbing well water or rivers and lakes cold
Pipe laying.
Embodiment 3
As shown in figure 3, a kind of energy-saving machine room air-conditioning system and embodiment 1 that the embodiment of the present invention 3 is provided
Compare, difference is：Motor-driven valve 9 and cooling tower 10 are added in second circulation loop.Its
In, water coil 42, cooling tower 10, water tank 7 and water pump 11 are sequentially connected in series to form second circulation time
Road.Motor-driven valve 9 is connected in parallel with water coil 42.
During operation, when environment temperature is less than a setting value, motor-driven valve 9 is turned on, and water coil 42 is other
Road, the water that water pump 11 is extracted out from water tank 7 is directly entered cooling tower 10 and cooled down, and then returns
It is standby to water tank 7.
Embodiment 4
As shown in figure 4, a kind of operation side for energy-saving machine room air-conditioning system that the embodiment of the present invention 4 is provided
Method, this method includes：
Step 110, detection environment temperature Ta；
Step 120, being followed for the second of precooling higher than energy-saving machine room air-conditioning system as environment temperature Ta
During the adiabatic condensation temperature Tfre of the Transfer Medium of loop back path, the water pump in the second circulation loop is opened.
Optimization, step 120 can also include：It is less than when surveying environment temperature Ta temperature equal to transmission Jie
During the adiabatic condensation temperature Tfre of matter, switch off the pump.
Transfer Medium is the liquid stored in water tank 7, is equal to its condensation temperature when environment temperature is less than
When spending, liquid solidification, it is impossible to extract liquid out from water tank 7, so needing environment temperature Ta to be higher than it
Water pump 1 can just be started during adiabatic condensation temperature Tfre；The adiabatic condensation temperature Tfre of such as water is 2 DEG C.
Optimization, a kind of operation method for energy-saving machine room air-conditioning system that the embodiment 4 is provided can be with
Including：
Step 130, whether environment temperature is judged higher than the threshold temperature Tset for enabling water coil 42, it is low
In then convincing logical motor-driven valve 9 by patient analysis；Higher than then disconnection motor-driven valve 9.
The threshold temperature Tset for enabling water coil 42 is set to too low energy-saving machine room air-conditioning system can be influenceed to exist
Pump 1 run when EER (Energy Efficiency Ratio, the i.e. coefficient of performance of refrigerating of air conditioner,
Claim Energy Efficiency Ratio), it can be set as 5 DEG C.
When motor-driven valve 9 is turned on, water coil 42 is bypassed, the biography that water pump 11 is extracted out from water tank 7
Pass medium and flow directly into cooling tower 10 and cooled down, now, only the Transfer Medium in water tank 7 is dropped
Warm cold-storage；When motor-driven valve 9 disconnects, the Transfer Medium that water pump 11 is extracted out from water tank 7 passes through water pond
Pipe 42 is carried out after precooling to the inlet air of condenser 7, then is flowed into cooling tower 10 and cooled down, finally
Return water tank 7；So as to expand the annual run time of pump, so as to improve Energy Efficiency Ratio.
Optimization, a kind of operation method for energy-saving machine room air-conditioning system that the embodiment 4 is provided can be with
Including：
Step 140, the inflow temperature Tin1 or water tank 7 of detection environment temperature Ta and water coil 42
Inflow temperature Tin2 between temperature difference △ T adjust the flow of the Transfer Medium in second circulation loop.
Specifically：
Work as Ta>During Tset, Transfer Medium is through water coil pipe 42, by controlling the inflow temperature Tin1 of coil pipe 2
Flow, △ T=Ta-Tin1 are adjusted with environment temperature Ta difference △ T；
Work as Ta<During Tset, by the difference △ for controlling environment temperature Ta and water tank inflow temperature Tin2
T adjusts flow, now, △ T=Tin2-Ta；Optimization, Ta uses ambient wet bulb temperature, when
When calculating temperature difference △ T using the inflow temperature of underground pipe or water ring pipe laying, Ta environment dry-bulb temperatures.
As shown in figure 5, optimization, when water pump 11 is variable frequency pump, step 140 is specially：
Step 141, the inflow temperature Tin1 or water tank 7 of detection environment temperature Ta and water coil 42
Inflow temperature Tin2 between temperature difference △ T；
Step 142, judge whether temperature difference △ T are more than in the control system of energy-saving machine room air-conditioning system to preset
Setting temperature difference DT, be then execution step 143, otherwise perform step 144；
Step 143, Transfer Medium flow is heightened until maximum；
Step 144, water system flow is turned down until switching off the pump 11.
As shown in fig. 6, optimization, when water pump 11 for when determining frequency pump, step 140 is specially：
Step 145, the inflow temperature Tin1 or water tank 7 of detection environment temperature Ta and water coil 42
Inflow temperature Tin2 between temperature difference △ T；
Step 146, when default setting in the control system that temperature difference △ T are less than energy-saving machine room air-conditioning system
During temperature difference DT, 11 are switched off the pump.
In above-described embodiment 1~5, compressor 5 can be the compressor of constant volume or varying capacity, pump 1
Can determine frequency pump or variable frequency pump, condenser 5 can be air-cooled condenser either evaporative condenser,
Expansion valve 12 can be electric expansion valve, heating power expansion valve or other flow quantity intelligent regulation valve bodies, electricity
Dynamic valve 9 is normally closed solenoid valve, and cooling tower 10 can be exchanged with underground pipe or absorb well water or river
The water ring pipe laying in river lake, or three kinds of three kinds of forms or two kinds of parallel connections.Compressor 5, pump 1, water
Pump 11, the quantity of evaporator 6 can be one or more.
Energy-saving machine room air-conditioning system and its operation method that embodiments of the invention are provided, are situated between using liquid
The mode of matter cold-storage, makes full use of the low-temperature receiver in outdoor environment, such as：Air-source, soil source or water source,
The EAT of the fluorine coil pipe of condenser is reduced, so as to reduce condensation temperature, the annual operation of pump is improved
Time, so as to improve systematic energy efficiency ratio, reach the purpose of energy-conservation.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, it is all
Any modifications, equivalent substitutions and improvements made within the spirit and principles in the present invention etc., all should be included
Within protection scope of the present invention.
Claims (10)
1. a kind of energy-saving machine room air-conditioning system, the energy-saving machine room air-conditioning system, which includes one, to be used to freeze
First circulation loop, the first circulation loop include be sequentially connected in series pump (1), fluid reservoir (3),
Condenser (4), compressor (5), evaporator (6) and expansion valve (12), the two ends also parallel connection one of the pump (1)
Individual first check valve (21), the compressor two ends second check valve (22) also in parallel, its feature exists
In the energy-saving machine room air-conditioning system, which also includes one, to be used to enter the intake air temperature of the condenser (4)
The second circulation loop of row precooling, the second circulation loop is using natural cooling source to the condenser (4)
Intake air temperature cooled.
2. energy-saving machine room air-conditioning system as claimed in claim 1, it is characterised in that described second follows
Loop back path includes：Water coil (42), water tank (7) and the water for the condenser (4) being sequentially connected in series
Pump (11), the water tank (7) is used to store the Transfer Medium for precooling, and the water pump (11) is used for will
Water is extracted out from the water tank (7), and via after the water coil (42) again by the water loopback of the extraction
Into the water tank (7).
3. energy-saving machine room air-conditioning system as claimed in claim 2, it is characterised in that the water tank
(7) it is that adiabatic water tank is either embedded in soil or the water tank being soaked in waters, to ensure inside it
Transfer Medium temperature be less than environment temperature.
4. energy-saving machine room air-conditioning system as claimed in claim 2, it is characterised in that described second follows
Loop back path also includes：Underground pipe or cooling tower, the underground pipe or the cooling tower and the water
Coil pipe (42), the water tank (7), the water pump (11) are connected in series, and the water pump (11) is by water from institute
State after being extracted out in water tank (7), via the water coil (42), the underground pipe or the cooling tower,
Finally return in the water tank (7).
5. energy-saving machine room air-conditioning system as claimed in claim 4, it is characterised in that described second follows
Loop back path also includes a motor-driven valve (9), and the motor-driven valve (9) is connected in parallel in the water coil (42)
Two ends, during the motor-driven valve (9) conducting, the water coil (42) is bypassed, the water pump (11) by water from
After being extracted out in the water tank (7), after the underground pipe or the cooling tower, the storage is returned to
In water pot (7).
6. a kind of operation method of energy-saving machine room air-conditioning system, it is characterised in that methods described includes：
Detect environment temperature；
When in the second circulation loop for precooling of the environment temperature higher than energy-saving machine room air-conditioning system
Transfer Medium adiabatic condensation temperature when, open the water pump in the second circulation loop.
7. the operation method of energy-saving machine room air-conditioning system as claimed in claim 6, it is characterised in that
Methods described also includes：
If the environment temperature is less than the threshold temperature for enabling water coil, motor-driven valve is turned on, by institute
State water coil bypass；If the environment temperature is greater than or equal to the threshold temperature for enabling water coil,
Disconnect motor-driven valve so that the water pump is by the Transfer Medium extracted out in the water tank by described
After water coil, then the cooling tower is flowed into, finally return the water tank.
8. the operation method of energy-saving machine room air-conditioning system as claimed in claim 6, it is characterised in that
Methods described also includes：
Detect the temperature difference between the inflow temperature of the environment temperature and the water coil, or the ring
The temperature difference between the inflow temperature of border temperature and the water tank is adjusted in the second circulation loop
The flow of Transfer Medium.
9. the operation method of energy-saving machine room air-conditioning system as claimed in claim 8, it is characterised in that
When the water pump is variable frequency pump, the step detects the water inlet of the environment temperature and the water coil
The temperature difference between the inflow temperature of temperature or the water tank is adjusted in the second circulation loop
The flow of Transfer Medium, is specifically included：
Detect that the inflow temperature or the water tank of the environment temperature and the water coil enter water temperature
The temperature difference between degree；
If the temperature difference is more than the default setting temperature difference of the energy-saving machine room air-conditioning system, biography is heightened
Rate-of flow is passed until maximum；If the temperature difference is default less than or equal to the energy-saving machine room air-conditioning system
The setting temperature difference, then turn down water system flow until closing the water pump.
10. the operation method of energy-saving machine room air-conditioning system as claimed in claim 8, it is characterised in that
When the water pump for when determining frequency pump, the step detects the water inlet of the environment temperature and the water coil
The temperature difference between the inflow temperature of temperature or the water tank is adjusted in the second circulation loop
The flow of Transfer Medium, is specifically included：
Detect that the inflow temperature or the water tank of the environment temperature and the water coil enter water temperature
The temperature difference between degree；
When the default setting temperature difference in the control system that the temperature difference is less than energy-saving machine room air-conditioning system,
Close the water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610254995.3A CN107305044B (en) | 2016-04-21 | 2016-04-21 | Energy-saving machine room air conditioning system and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610254995.3A CN107305044B (en) | 2016-04-21 | 2016-04-21 | Energy-saving machine room air conditioning system and operation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107305044A true CN107305044A (en) | 2017-10-31 |
| CN107305044B CN107305044B (en) | 2020-03-27 |
Family
ID=60152612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610254995.3A Active CN107305044B (en) | 2016-04-21 | 2016-04-21 | Energy-saving machine room air conditioning system and operation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107305044B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210585A (en) * | 2018-11-22 | 2019-01-15 | 北斗星智能电器有限公司 | Integrated kitchen range radiator and integrated kitchen range |
| CN110864489A (en) * | 2019-11-28 | 2020-03-06 | 成都申科工业设备安装有限公司 | Freezer system with natural cooling function |
| CN111426105A (en) * | 2020-02-28 | 2020-07-17 | 克莱门特捷联制冷设备(上海)有限公司 | Double-loop natural cooling type air conditioning system and control method thereof |
| CN114109118A (en) * | 2021-12-03 | 2022-03-01 | 江西省邮电规划设计院有限公司 | Communication iron tower and matched energy-saving communication machine room |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202024428U (en) * | 2011-03-10 | 2011-11-02 | 西安工程大学 | Coiling evaporation cooling and air-cooled heat pump combined cold and hot water machine set |
| CN202229381U (en) * | 2011-08-09 | 2012-05-23 | 广东省科学院自动化工程研制中心 | Device capable of reducing inlet air temperature of condenser |
| CN202835740U (en) * | 2011-12-23 | 2013-03-27 | 南方电网综合能源有限公司 | Energy saving apparatus for air-conditioning condenser |
| CN202955905U (en) * | 2012-11-26 | 2013-05-29 | 西安工程大学 | Water chilling unit combined by air cooler and evaporative type condenser |
| CN105444446A (en) * | 2014-08-27 | 2016-03-30 | 艾默生网络能源有限公司 | System, method and devices for refrigeration control of computer room |
-
2016
- 2016-04-21 CN CN201610254995.3A patent/CN107305044B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202024428U (en) * | 2011-03-10 | 2011-11-02 | 西安工程大学 | Coiling evaporation cooling and air-cooled heat pump combined cold and hot water machine set |
| CN202229381U (en) * | 2011-08-09 | 2012-05-23 | 广东省科学院自动化工程研制中心 | Device capable of reducing inlet air temperature of condenser |
| CN202835740U (en) * | 2011-12-23 | 2013-03-27 | 南方电网综合能源有限公司 | Energy saving apparatus for air-conditioning condenser |
| CN202955905U (en) * | 2012-11-26 | 2013-05-29 | 西安工程大学 | Water chilling unit combined by air cooler and evaporative type condenser |
| CN105444446A (en) * | 2014-08-27 | 2016-03-30 | 艾默生网络能源有限公司 | System, method and devices for refrigeration control of computer room |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210585A (en) * | 2018-11-22 | 2019-01-15 | 北斗星智能电器有限公司 | Integrated kitchen range radiator and integrated kitchen range |
| CN110864489A (en) * | 2019-11-28 | 2020-03-06 | 成都申科工业设备安装有限公司 | Freezer system with natural cooling function |
| CN110864489B (en) * | 2019-11-28 | 2021-06-08 | 成都申科工业设备安装有限公司 | Freezer system with natural cooling function |
| CN111426105A (en) * | 2020-02-28 | 2020-07-17 | 克莱门特捷联制冷设备(上海)有限公司 | Double-loop natural cooling type air conditioning system and control method thereof |
| CN114109118A (en) * | 2021-12-03 | 2022-03-01 | 江西省邮电规划设计院有限公司 | Communication iron tower and matched energy-saving communication machine room |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107305044B (en) | 2020-03-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203203305U (en) | Air conditioner device | |
| CN203010777U (en) | Dual-refrigeration-cycle energy-saving air conditioning unit | |
| CN103175276A (en) | Air-cooling direct-current frequency-conversion magnetic levitation nature cold source water chilling unit | |
| CN201652646U (en) | Dynamic ice cold storage system | |
| CN204063300U (en) | A kind of soil composite type variable refrigerant flow aircondition | |
| CN107305044A (en) | A kind of energy-saving machine room air-conditioning system and its operation method | |
| CN203286826U (en) | Refrigeration control system of machine room | |
| CN102607123A (en) | Multi-system circulating air conditioning unit and control method | |
| CN102425883A (en) | Energy-saving system using heat recovery type water source heat pump unit and control method for energy-saving system | |
| CN201028893Y (en) | Ground source heat pump air conditioning system | |
| CN103277880A (en) | Refrigeration control method, device and system of machine room | |
| CN106855291A (en) | A kind of air-conditioning and its control method and control device | |
| CN201363859Y (en) | Air conditioning unit | |
| CN105258389A (en) | Compensation type dual-source heat pump cold and hot water unit | |
| CN207113100U (en) | High-temperature refrigeration coupling accumulation of energy cold source air conditioning system based on independent temperature-humidity control | |
| CN203671820U (en) | Air source integrated central air conditioner | |
| CN104374020A (en) | Water source heat pump air conditioning system | |
| CN105241145A (en) | Control method of compensation type dual-source heat pump cold and hot water unit | |
| CN202328900U (en) | Energy-saving system with heat recovery water source heat pump unit | |
| CN113531634A (en) | Solar energy and water source heat pump coupling system and method | |
| CN208365702U (en) | A kind of energy-saving air conditioning system | |
| CN113720036B (en) | Multifunctional double-source heat pump system and control method thereof | |
| CN112197373B (en) | Machine room air conditioning unit and control method thereof | |
| CN108895715A (en) | A kind of ground-source heat pump system using accumulation of energy based on cold and hot equilibrium idea suitable for southern area of China | |
| CN203240837U (en) | Circulation energy-saving heating refrigerating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518055 No. 1001 Nanshan Chi Park building B2 Applicant after: Vitamin Technology Co., Ltd. Address before: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518055 No. 1001 Nanshan Chi Park building B2 Applicant before: Aimosheng Network Energy Source Co., Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |