CN104458310B - System and method for testing water chilling unit with load - Google Patents
System and method for testing water chilling unit with load Download PDFInfo
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- CN104458310B CN104458310B CN201410775971.3A CN201410775971A CN104458310B CN 104458310 B CN104458310 B CN 104458310B CN 201410775971 A CN201410775971 A CN 201410775971A CN 104458310 B CN104458310 B CN 104458310B
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- water
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Abstract
The invention provides a system for testing a water chilling unit with a load. The system comprises a cooling device, a refrigerating device, a water chilling unit to be tested and a heat exchanger used for water and water heat exchange. Part of cooling water, cooled by the cooling device, in cooling water flowing out of a condenser of the water chilling unit and the rest of cooling water which is not cooled by the cooling device are mixed, part of the mixed cooling water enters the heat exchanger to conduct heat exchange with refrigerating water of a refrigerating water side loop, emits heat to the refrigerating water, then is mixed with the rest of the mixed cooling water and enters the condenser of the water chilling unit to absorb heat , and thus a cooling water side loop is formed. The refrigerating water flowing out of an evaporator of the water chilling unit passes through the refrigerating device, then enters the heat exchanger to conduct heat exchange with the cooling water of the cooling water side loop, absorbs heat from the cooling water and then enters the evaporator of the water chilling unit to emit heat, and thus the refrigerating water side loop is formed. The invention further provides a corresponding method. By the implementation of the system and the method, the water chilling unit can be tested under an unloaded condition.
Description
Technical field
The present invention relates to computer network field, specifically for, be related to a kind of carry test for handpiece Water Chilling Units band
System and method.
Background technology
With the constantly soaring and attention of the people to environmental protection of energy cost, data center's energy saving requirement is increasingly
Strongly.On the premise of ensureing that data center machine room information technoloy equipment safety, high-performance are run, the utilization of energy effect of data center is improved
Rate, energy-saving and emission-reduction have become one of target that data center's infrastructure are pursued.
Available data center using handpiece Water Chilling Units load capacity test be by end set up fictitious load form, i.e., it is cold
Freezing side and cold load being provided by fictitious load, cold side is circulated by feeding condenser after tower cooler is cooled down.In such situation
Under, needing to spend high rental fictitious load, and need to expend a large amount of electric energy during test, energy waste is serious；
And in order to obtain the chilled water temperature needed for cold, need frequently adjustment end fictitious load power, complex operation and respond compared with
Slowly.Therefore, need a kind of less handpiece Water Chilling Units band of energy consumption at present badly and carry testing scheme.
The content of the invention
To solve above-mentioned technical problem, the invention provides a kind of method and system that test is carried for handpiece Water Chilling Units band,
The heat of the cooling water of handpiece Water Chilling Units cold side will be flow through by heat exchanger and the heat that handpiece Water Chilling Units freeze the chilled water of side is flow through
Amount is interchangeable, realize need not set up fictitious load just handpiece Water Chilling Units can be carried out band carry test, save energy resource consumption.
According to the first aspect of embodiment of the present invention, there is provided for the system that handpiece Water Chilling Units band carries test, the system
System may include：Cooling device, freezing equipment, handpiece Water Chilling Units to be measured and the heat exchanger for water-water heat exchange,
Wherein, the part cooling radiated via the cooling device in flowing out the cooling water (Q) of handpiece Water Chilling Units condenser
Water (Q1) is mixed with the remaining cooling water (Q2) not radiated via the cooling device, a cooling water part after the mixing
(Q3) chilled water into the heat exchanger with chilled water side ring road exchanges heat, and releases after heat to the chilled water, mixed with described
The handpiece Water Chilling Units condenser is entered after remainder (Q4) mixing after conjunction in cooling water and absorbs heat, to constitute cooling water side
Loop,
Flow out the chilled water (Q5) of the handpiece Water Chilling Units vaporizer via enter after the freezing equipment heat exchanger with
The cooling water heat exchange of cooling water side loop, absorbs to the cooling water and enter after heat handpiece Water Chilling Units vaporizer releasing heat
Amount, to constitute chilled water side ring road.
In certain embodiments of the present invention, the heat exchanger for carrying test system for handpiece Water Chilling Units band may include board-like changing
Hot device.
In certain embodiments of the present invention, the cooling device for carrying test system for handpiece Water Chilling Units band may include cooling
Tower.
In certain embodiments of the present invention, the freezing equipment for carrying test system for handpiece Water Chilling Units band may include cold-storage
Tank.
According to the second aspect of embodiment of the present invention, there is provided carry for handpiece Water Chilling Units band using said system and test
Method, methods described may include：
Total cooling water flow of total chilled-water flow (Q5) and cooling water side loop on chilled water side ring road is set to into perseverance
It is fixed, adjust and wait to flow into the cooling water flow (Q4) of the handpiece Water Chilling Units condenser with to the cooling-water machine via the heat exchanger
Group carries out load testing,
Wherein, total cooling water flow be via the heat exchanger wait flow into the cooling of the handpiece Water Chilling Units condenser
Discharge (Q4) and not via the heat exchanger wait flow into cooling water flow (Q3) sum of the handpiece Water Chilling Units condenser.
In certain embodiments of the present invention, the method for carrying test for handpiece Water Chilling Units band may also include：By chilled water
Total cooling water flow of total chilled-water flow (Q5) and cooling water side loop on side ring road be set to it is constant, adjust not via described
Heat exchanger waits to flow into the cooling water flow (Q3) of the handpiece Water Chilling Units condenser to carry out load testing to the handpiece Water Chilling Units.
In certain embodiments of the present invention, the method for carrying test for handpiece Water Chilling Units band may also include：By cooling water
The cooling water flow (Q) of the outflow handpiece Water Chilling Units condenser on side ring road is set to constant, the regulation outflow handpiece Water Chilling Units
Cooling water flow (Q2) in the cooling water of condenser not via cooling device radiating is cold to carry out to the handpiece Water Chilling Units
Solidifying stress test,
Wherein, the cooling water flow (Q) for flowing out the handpiece Water Chilling Units condenser is condensed to flow out the handpiece Water Chilling Units
Not via the cooling water flow (Q2) of cooling device radiating and via the cold of cooling device radiating in the cooling water of device
But discharge (Q1) sum.
In certain embodiments of the present invention, the method for carrying test for handpiece Water Chilling Units band may also include：By cooling water
Total cooling water flow on side ring road, via the hot device wait flow into the cooling water flow (Q4) of the handpiece Water Chilling Units condenser and
Not via the heat exchanger to wait that the cooling water flow (Q3) for flowing into the handpiece Water Chilling Units condenser is set to constant, adjust freezing
Total chilled-water flow (Q5) on water side ring road with change the handpiece Water Chilling Units freezing side inflow temperature to the handpiece Water Chilling Units
Working condition is tested.
Implement the above-mentioned method and system that test is carried for handpiece Water Chilling Units band that embodiment of the present invention is provided, can
Setting up fictitious load can carry out band load test to handpiece Water Chilling Units, significantly reduce the energy resource consumption of data center, while also avoiding
Fictitious load is set up and caused potential safety hazard in data center.
Description of the drawings
Fig. 1 illustrates the schematic diagram of the system that test is carried for handpiece Water Chilling Units band according to one embodiment of the present invention.
Specific embodiment
To make purpose, technical scheme and the advantage of embodiments of the invention clearer, below in conjunction with accompanying drawing to this
It is bright to be described in further detail.
Referring to Fig. 1, it is illustrated that according to the knot of the system that test is carried for handpiece Water Chilling Units band of one embodiment of the present invention
Structure schematic diagram, the system may include：
Cooling device, freezing equipment, handpiece Water Chilling Units to be measured and the heat exchanger for water-water heat exchange,
Wherein, the part cooling radiated via the cooling device in flowing out the cooling water (Q) of handpiece Water Chilling Units condenser
Water (Q1) is mixed with the remaining cooling water (Q2) not radiated via the cooling device, a cooling water part after the mixing
(Q3) chilled water into the heat exchanger with chilled water side ring road exchanges heat, and releases after heat to the chilled water, mixed with described
The handpiece Water Chilling Units condenser is entered after remainder (Q4) mixing after conjunction in cooling water and absorbs heat, to constitute cooling water side
Loop,
Flow out the chilled water (Q5) of the handpiece Water Chilling Units vaporizer via enter after the freezing equipment heat exchanger with
The cooling water heat exchange of cooling water side loop, absorbs to the cooling water and enter after heat handpiece Water Chilling Units vaporizer releasing heat
Amount, to constitute chilled water side ring road.
In embodiments of the present invention, for convenience, in the accompanying drawings will be via cooling device, heat exchanger, cold water
Unit, the discharge of freezing equipment and flow direction etc. are identified with symbol, and such mark is not to embodiment of the present invention structure
Into restriction.
In embodiments of the present invention, as shown in figure 1, system may include cooling device (for example, cooling tower etc.), freezing
Equipment (for example, cold-storage tank etc.) and handpiece Water Chilling Units (for example, water cooled chiller etc.) to be measured and the heat exchange for water-water heat exchange
Device (for example, plate type heat exchanger etc.), wherein water (flow) direction are as shown in arrow is pointed to.Wherein, in cooling water side loop, flow out cold
The a part of cooling water radiated via cooling device (for example, cooling tower etc.) in the cooling water (flow is Q) of water train condenser
(flow is Q1) is mixed with the remaining cooling water (flow is Q2) not radiated via cooling device, wherein Q=Q1+Q2, mixing
Cooling water afterwards is divided into two parts again, and a mixed cooling water part (flow is Q3) is into heat exchanger and chilled water side ring road
Chilled water heat exchange, release after heat to chilled water, with mix after enter cold water after remainder (Q4) mixing in cooling water
Train condenser absorbs heat, completes cooling water side looped cycle.In chilled water side ring road, handpiece Water Chilling Units vaporizer is flowed out
Chilled water (flow is Q5) exchanges heat via cooling water of the heat exchanger with cooling water side loop is entered after freezing equipment, inhales to cooling water
After receiving heat, heat is released into handpiece Water Chilling Units vaporizer, complete chilled water side looped cycle.In other words, in handpiece Water Chilling Units
Place, handpiece Water Chilling Units condenser absorbs heat from chilled water, and the heat of absorption is discharged into cooling by cooling water side loop
In water；At heat exchanger, as the temperature of cooling water is higher than the temperature of chilled water, heat is further through heat exchanger from cooling Water transport
To chilled water.Thus the circulation of heat is completed in internal system, fictitious load need not be set up.And, handpiece Water Chilling Units are arranged to cooling
The heat of water, can be unnecessary to system accumulation of heat to meet the various working condition needs of test more than the heat obtained from chilled water
Heat can discharge through cooling device.In certain embodiments of the present invention, if through the cooling water Q4 of heat exchanger heat exchange
Temperature before handpiece Water Chilling Units are mixed into the cooling water Q3 exchanged heat without heat exchanger is too low, can also be by arranging control
Freezing water short circuit handpiece Water Chilling Units are ensured device (for example, control valve) chilled water temperature needed for handpiece Water Chilling Units test.
In some embodiments, the heat exchanger for water-water heat exchange may include plate type heat exchanger, can also adopt certainly
Other heat exchangers of water-water heat exchange can be realized, embodiments of the present invention are not limited to specific example mentioned above.
In some embodiments, cooling device may include cooling tower, and freezing equipment may include cold-storage tank.The present invention is implemented
The cooling device and freezing equipment of mode is not limited to example mentioned above, can also be for handpiece Water Chilling Units test other
Similar equipment.
Above in conjunction with the system that specific embodiment describes to carry test for handpiece Water Chilling Units band, below in conjunction with concrete reality
The mode of applying describes the method for carrying test using the handpiece Water Chilling Units band of said system.
In embodiments of the present invention, using the method tested by the above-mentioned system for carrying test for handpiece Water Chilling Units band
May include：
Total cooling water flow of total chilled-water flow (Q5) and cooling water side loop on chilled water side ring road is set to into perseverance
It is fixed, adjust and wait to flow into the cooling water flow (Q4) of the handpiece Water Chilling Units condenser with to the cooling-water machine via the heat exchanger
Group carries out load testing,
Wherein, total cooling water flow be via the heat exchanger wait flow into the cooling of the handpiece Water Chilling Units condenser
Discharge (Q4) and not via the heat exchanger wait flow into cooling water flow (Q3) sum of the handpiece Water Chilling Units condenser.
In certain embodiments of the present invention, can be by total chilled-water flow Q5 on chilled water side ring road and cooling water side
Total cooling water flow of loop is set to constant, that is to say, that by total cooling water of the cooling water side of the top half shown in Fig. 1
Flow is set to constant, to be flowed into handpiece Water Chilling Units condenser of the regulation via heat exchanger with total chilled-water flow Q5 of the latter half
Cooling water flow Q4 size carrying out load testing to handpiece Water Chilling Units.Specifically, by via heat exchanger wait flow into it is cold
The cooling water flow Q4 of water train condenser becomes big, then not via heat exchanger handpiece Water Chilling Units condenser to be flowed into cooling current
Amount Q3 diminishes, handpiece Water Chilling Units freezing side turnover water temperature difference increase, the cold load increase of handpiece Water Chilling Units, the refrigerating capacity phase of handpiece Water Chilling Units
Should increase, the load of handpiece Water Chilling Units increase process can be tested；By the handpiece Water Chilling Units condensation to be flowed into via heat exchanger
The cooling water flow Q4 of device diminishes, then do not become big via the cooling water flow Q3 of the handpiece Water Chilling Units condenser to be flowed into of heat exchanger,
Handpiece Water Chilling Units freezing side turnover water temperature difference reduces, and the cold load of handpiece Water Chilling Units reduces, and the refrigerating capacity of handpiece Water Chilling Units accordingly reduces, energy
Enough loads to handpiece Water Chilling Units reduce process and test.It should be noted that in embodiments of the present invention, this area skill
Art personnel can be by adjusting one of multiple valves shown in Fig. 1 or one or more of being adjusted to above-mentioned flow, can be real
The valve regulated mode of existing flow adjustment is varied, can need flexibly to select according to test.
In other embodiment, by total chilled-water flow (Q5) and cooling water side loop on chilled water side ring road
Total cooling water flow be set to it is constant, can also pass through to adjust not via the heat exchanger wait flow into the handpiece Water Chilling Units condensation
The cooling water flow Q3 of device is carrying out load testing to the handpiece Water Chilling Units.Specifically, by total freezing on chilled water side ring road
Total cooling water flow of discharge Q5 and cooling water side loop be set to it is constant, by not via the handpiece Water Chilling Units to be flowed into of heat exchanger
The cooling water flow Q3 of condenser becomes big, then become via the cooling water flow Q4 of the handpiece Water Chilling Units condenser to be flowed into of heat exchanger
Little, handpiece Water Chilling Units freezing side turnover water temperature difference reduces, and handpiece Water Chilling Units cold load reduces, and handpiece Water Chilling Units refrigerating capacity accordingly reduces, energy
Enough cold loads to handpiece Water Chilling Units reduce process to be tested；Similarly, will be the handpiece Water Chilling Units to be flowed into not via heat exchanger cold
The cooling water flow Q3 of condenser diminishes, then become big via the cooling water flow Q4 of the handpiece Water Chilling Units condenser to be flowed into of heat exchanger,
Handpiece Water Chilling Units freezing side turnover water temperature difference increase, the increase of handpiece Water Chilling Units cold load, handpiece Water Chilling Units refrigerating capacity accordingly increase, can be right
The cold load increase process of handpiece Water Chilling Units is tested.
In certain embodiments of the present invention, by the cooling of the outflow handpiece Water Chilling Units condenser of cooling water side loop
Discharge Q is set to constant, does not radiate via the cooling device in adjusting the cooling water for flowing out the handpiece Water Chilling Units condenser
Cooling water flow Q2 to carry out condensing pressure test to the handpiece Water Chilling Units, wherein, it is described to flow out handpiece Water Chilling Units condensation
The cooling water flow Q of device is the cooling do not radiated via the cooling device in the cooling water for flow out the handpiece Water Chilling Units condenser
Discharge Q2 and the cooling water flow Q1 sums radiated via the cooling device.Specifically, can be by cooling water side loop
The outflow handpiece Water Chilling Units condenser cooling water flow Q be set to it is constant, by the handpiece Water Chilling Units to be flowed into via heat exchanger
Cooling water flow Q4 and be not also configured as via the cooling water flow Q3 of the handpiece Water Chilling Units to be flowed into of heat exchanger it is constant, will flow out
Do not become big via the cooling water flow Q2 that cooling device radiates in the cooling water of handpiece Water Chilling Units condenser, then dissipate via cooling device
The cooling water flow Q1 of heat diminishes, and handpiece Water Chilling Units cold side inflow temperature is raised, and meets accumulation of heat demand, while also meet improving cold
Water dispenser group condensing pressure is tested；Q2 is diminished, then Q1 becomes big, and handpiece Water Chilling Units cold side inflow temperature is reduced, while drop can be met
Low handpiece Water Chilling Units condensing pressure test.
In certain embodiments of the present invention, by total cooling water flow of cooling water side loop, via the hot device
Wait to flow into the cooling water flow (Q4) of the handpiece Water Chilling Units condenser and not via the heat exchanger wait flow into the cooling-water machine
The cooling water flow (Q3) of group condenser is set to constant, adjusts total chilled-water flow (Q5) on chilled water side ring road to change
The freezing side inflow temperature of handpiece Water Chilling Units is stated, working condition that can be to handpiece Water Chilling Units under the difference inflow temperature of freezing side is carried out
Test.
The test system and method for testing that embodiment of the present invention is provided can be right under conditions of it need not set up fictitious load
The various operating modes of handpiece Water Chilling Units are tested, and are saved the energy resource consumption of data center, but also can be reduced as deployment is false
Load and caused potential safety hazard, improve the safety of data center.
Term and wording used in description of the invention is not intended to constitute restriction just to illustrating.Ability
Field technique personnel are should be appreciated that on the premise of the ultimate principle without departing from disclosed embodiment, to above-mentioned embodiment
In each details can carry out various change.Therefore, the scope of the present invention only determined by claim, in the claims, unless
It is otherwise noted, all of term should be understood by the broadest rational meaning.
Claims (8)
1. it is a kind of to carry the system tested for handpiece Water Chilling Units band, it is characterised in that the system includes：Cooling device, freezing set
Standby, to be measured handpiece Water Chilling Units and the heat exchanger for water-water heat exchange,
Wherein, a part of cooling water radiated via the cooling device in flowing out the cooling water of handpiece Water Chilling Units condenser and residue
Not via the cooling device radiate cooling water be mixed to form mixing after cooling water, after the mixing, a cooling water part is entered
The chilled water for entering the heat exchanger with chilled water side ring road exchanges heat, and releases after heat to the chilled water, cold with after described mixing
But the handpiece Water Chilling Units condenser is entered after the remainder mixing in water absorb heat, to constitute cooling water side loop,
The chilled water of the handpiece Water Chilling Units vaporizer is flowed out via the heat exchanger and cooling water side are entered after the freezing equipment
The cooling water heat exchange of loop, absorbs to the cooling water and enter after heat handpiece Water Chilling Units vaporizer releasing heat, to constitute
Chilled water side ring road.
2. system according to claim 1, it is characterised in that the heat exchanger includes plate type heat exchanger.
3. system according to claim 1, it is characterised in that the cooling device includes cooling tower.
4. system according to claim 1, it is characterised in that the freezing equipment includes cold-storage tank.
5. a kind of handpiece Water Chilling Units band of the system in application Claims 1-4 described in any one carries method of testing, and its feature exists
In, including：
Total cooling water flow of total chilled-water flow and cooling water side loop on chilled water side ring road is set to constant, regulation Jing
Wait to flow into the cooling water flow of the handpiece Water Chilling Units condenser to carry out load survey to the handpiece Water Chilling Units by the heat exchanger
Examination,
Wherein, total cooling water flow be via the heat exchanger wait flow into the cooling current of the handpiece Water Chilling Units condenser
Amount and not via the heat exchanger wait flow into the cooling water flow sum of the handpiece Water Chilling Units condenser.
6. method according to claim 5, it is characterised in that methods described also includes：
Total cooling water flow of total chilled-water flow and cooling water side loop on chilled water side ring road is set to it is constant, adjust not
Wait to flow into the cooling water flow of the handpiece Water Chilling Units condenser to load to the handpiece Water Chilling Units via the heat exchanger
Test.
7. the method according to claim 5 or 6, it is characterised in that methods described also includes：
The cooling water flow of the outflow handpiece Water Chilling Units condenser of cooling water side loop is set to it is constant, adjust flow out it is described
The cooling water flow not radiated via the cooling device in the cooling water of handpiece Water Chilling Units condenser is entering to the handpiece Water Chilling Units
Row condensing pressure is tested,
Wherein, the cooling water flow for flowing out the handpiece Water Chilling Units condenser is the cooling for flowing out the handpiece Water Chilling Units condenser
The cooling water flow not radiated via the cooling device in water and the cooling water flow sum radiated via the cooling device.
8. the method according to claim 5 or 6, it is characterised in that methods described also includes：
By total cooling water flow of cooling water side loop, via the heat exchanger wait flow into the cold of the handpiece Water Chilling Units condenser
But discharge and not via the heat exchanger to wait that the cooling water flow for flowing into the handpiece Water Chilling Units condenser is set to constant, adjust
Total chilled-water flow on chilled water side ring road is saved to change the freezing side inflow temperature of the handpiece Water Chilling Units to the handpiece Water Chilling Units
Working condition tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410775971.3A CN104458310B (en) | 2014-12-15 | 2014-12-15 | System and method for testing water chilling unit with load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410775971.3A CN104458310B (en) | 2014-12-15 | 2014-12-15 | System and method for testing water chilling unit with load |
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| Publication Number | Publication Date |
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| CN104458310A CN104458310A (en) | 2015-03-25 |
| CN104458310B true CN104458310B (en) | 2017-05-03 |
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| CN201410775971.3A Active CN104458310B (en) | 2014-12-15 | 2014-12-15 | System and method for testing water chilling unit with load |
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| CN107449104B (en) * | 2017-07-04 | 2023-07-04 | 珠海格力电器股份有限公司 | Cold station testing device and cold station testing method |
| CN109341133A (en) * | 2018-10-29 | 2019-02-15 | 新奥泛能网络科技股份有限公司 | Absorption lithium bromide chiller fictitious load based on therrmodynamic system starts method and device |
| CN109631376B (en) * | 2018-11-27 | 2022-01-28 | 珠海格力电器股份有限公司 | Screw type water chilling unit and control method and system thereof |
| CN109990502A (en) * | 2019-04-16 | 2019-07-09 | 廊坊新奥泛能网络科技服务有限公司 | Distributed energy resource system and its for cooling method |
| CN112098130B (en) * | 2020-09-15 | 2022-04-15 | 武汉汉立制冷科技股份有限公司 | Dynamic thermal load simulation device for testing optical fiber laser water chiller |
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| US6330809B1 (en) * | 2000-12-08 | 2001-12-18 | General Electric Company | Application of a chiller in an apparatus for cooling a generator/motor |
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| CN104458310A (en) | 2015-03-25 |
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