CN207741952U - A kind of all-in-one evaporative cooling handpiece Water Chilling Units are performance test bed - Google Patents
A kind of all-in-one evaporative cooling handpiece Water Chilling Units are performance test bed Download PDFInfo
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- CN207741952U CN207741952U CN201820217482.XU CN201820217482U CN207741952U CN 207741952 U CN207741952 U CN 207741952U CN 201820217482 U CN201820217482 U CN 201820217482U CN 207741952 U CN207741952 U CN 207741952U
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Abstract
The utility model is related to a kind of all-in-one evaporative cooling handpiece Water Chilling Units are performance test bed, including between test, connect test wind transport system and the combined air processing between the test, and to test wind transport system and the control system that is controlled of combined air processing, the all-in-one evaporative cooling handpiece Water Chilling Units are placed in the test, the test wind transport system includes being arranged between the test between the mixing of top, wind-collecting cover between connecting test between mixing, fresh air wind pushing air handles unit, exhaust fan unit, and conveying air hose, one end of the conveying air hose is connected with the air outlet between described mix, the other end connects the air intake vent of the combined air processing, it is connected between the air outlet of the combined air processing and the test, and between the test between be equipped with the first diffusing aerofoil；The fresh air wind pushing air processing unit and exhaust fan unit are located at the both sides between the mixing, energy saving and at low cost.
Description
Technical field
The utility model is related to a kind of all-in-one evaporative cooling handpiece Water Chilling Units are performance test bed, belong to experimental rig technology
Field.
Background technology
All-in-one evaporative cooling handpiece Water Chilling Units, because it uses evaporation refrigeration type condenser, condenser meeting when unit operation
The higher air of water capacity is discharged, what this higher air of part water capacity would generally be higher than outdoor air water capacity is more, uses
Traditional cooling by wind is performance test bed to be not easy the very high air-treatment of these relative humidity to measurement condition, in order to
Reach measurement condition, traditional cooling by wind is performance test bed to need the ability of water chiller, the combination of upgrading test platform
The ability of formula air processing machine, and the necessary water route of change and air-line system, the replacement for testboard equipment can bring throwing
The idle waste for being significantly increased and being replaced equipment of money.
The more energy-efficient all-in-one evaporative cooling handpiece Water Chilling Units being commonly used are performance test bed, and feature is
Increase air draft Fresh air handling units before combined air processing, this mode has the disadvantage that：1. usual fresh air replacement process
It is by artificially controlling air draft Fresh air handling units, operating process is simultaneously inaccurate, the new wind turbine air draft of air draft and meeting while introduce fresh air
The air output of combined air processing is set to increase, so as to cause by the wind of all-in-one evaporative cooling handpiece Water Chilling Units condenser
Amount increases, and the increase for condensing air quantity at this time has led to unit performance deviation reality.2. fresh air replacement process and testboard operating mode
Stabilization process cannot synchronize, if to ensure that stable conditions need to close fresh air replacement.3. if gone to machine when fresh air is replaced
Group is done data and is measured, and since condenser air quantity is significantly greater than unit original air quantity at this time, unit performance cannot represent actual performance, surveys
Trying data can be inaccurate.4. since fresh air replacement operation is inaccurate, it may result in the electric energy that fresh air is replaced and saved and exist again
It is wasted again when the operating mode that air processing machine processing deviates, energy-saving effect is lost more than gain.
Utility model content
The utility model in view of the deficiency of the prior art, it is cold to provide a kind of energy-efficient all-in-one evaporative cooling
Water dispenser group is performance test bed.
The technical solution that the utility model solves above-mentioned technical problem is as follows：A kind of all-in-one evaporative cooling handpiece Water Chilling Units
It is performance test bed, including test wind transport system between test, between the connection test and combined air processing and right
The control system that test wind transport system and combined air processing are controlled, the all-in-one evaporative cooling cooling-water machine
Group is placed in the test, and the test wind transport system includes being arranged between the test between the mixing of top, and connection is surveyed
Wind-collecting cover, fresh air wind pushing air processing unit between examination between mixing, exhaust fan unit, and conveying air hose, the conveying air hose
One end and air outlet between described mix connect, the other end connects the air intake vent of the combined air processing, described group
Connected between the air outlet of box-like air processing machine and the test, and between the test between be equipped with the first diffusing aerofoil；Institute
It states fresh air wind pushing air processing unit and exhaust fan unit is located at both sides between the mixing.
Further, it is the room with heat insulation layer between the test, for heat insulation layer between the mixing
Space is equipped with the second diffusing aerofoil between the wind-collecting cover between the mixing.
Further, it is handled with the fresh air wind pushing air between the mixing and is respectively equipped with third between unit and exhaust fan unit
Diffusing aerofoil and the 4th diffusing aerofoil.
Further, it is internally provided between the test between test and is pressed between humidity sensor and test between temperature sensor, test
Gap sensor, differential pressure pickup one end is connected in test between the test, and the other end is connected to outside atmosphere pressure, the survey
Differential pressure pickup signal is connected to the control system between humidity sensor and test between temperature sensor, test between examination；
It is external between the test to be equipped with outdoor temperature sensor and outside humidity sensor, the outdoor temperature sensor and
Outside humidity sensor signal is also connected to control system.
Further, between the mixing in be provided with mixing between differential pressure pickup, between the mixing differential pressure pickup one end connect
It is connected in mixing, the other end is connected to outside atmosphere pressure, and differential pressure pickup signal is connected to control system between the mixing；
Mixing wind temperature sensor and mixing wind humidity sensor, the mixing are additionally provided at air outlet between the mixing
Air temperature sensor and mixing wind humidity sensor signal are connected to the control system.
Further, the combined air processing includes humidifier, heating equipment, surface cooler and frequency conversion breeze fan,
It is connected between the air outlet and the test of the frequency conversion breeze fan, the air outlet of specific frequency conversion breeze fan is steamed with integrated
The condenser air inlet connection of cooled handpiece Water Chilling Units is sent out, the humidifier, heating equipment, surface cooler and frequency conversion breeze fan are equal
It is connected to the control system.
Further, humidity sensor setting is handled in the combination type air between temperature sensor and test between the test
Between the air outlet and all-in-one evaporative cooling handpiece Water Chilling Units condenser air inlet of machine.
Further, the fresh air wind pushing air processing unit is provided with fresh air electric heater and frequency conversion fresh air breeze fan,
The fresh air electric heater and frequency conversion fresh air breeze fan are connect with the control system.
Further, the exhaust fan unit is provided with frequency conversion exhaust fan, the frequency conversion exhaust fan and the control system
Connection.
Further, the control system uses DDC or PLC.
The utility model has the beneficial effects that：
1) external between test to be equipped with outdoor temperature sensor and outside humidity sensor, it is controlled by testing stand DDC or PLC
Device detection outside air temperature and humidity processed make testing stand not influence integration via DDC or PLC controller logical calculated
It is while evaporation cooling type cold water train condenser air quantity, the higher air of relative humidity and outside relative humidity is lower new
Wind is replaced, and the cooling load of combined air processing is reduced, and reduces power consumption；
2) it is equipped between mixing, the effect between mixing is the higher air of the water capacity of discharging unit evaporative condenser one
Part is discharged into outdoor by frequency conversion exhaust fan unit, and another part is uniformly mixed with the fresh air that frequency conversion fresh air air-supply unit is sent into
It is passed to combined air processing afterwards, and the pressure guarantee in mixing in the process is consistent with atmospheric pressure, ensure that indirectly
All-in-one evaporative cooling handpiece Water Chilling Units condenser air quantity is constant；
3) frequency conversion exhaust fan unit and frequency conversion fresh air air-supply unit, the opposite pressure between DDC or PLC controller detection mixing are equipped with
Power changes, to adjust the wind turbine frequency of frequency conversion exhaust fan unit and frequency conversion fresh air air-supply unit using DDC or PLC controller, from
And it is consistent with atmospheric pressure to control the pressure guarantee in mixing；
4) differential pressure pickup, mixing wind temperature sensor, mixing wind humidity sensor between mixing are equipped between mixing, between mixing
The effect of differential pressure pickup is to detect the pressure change between mixing；Mixing wind temperature sensor, mixing wind humidity sensor
Effect is to judge its calculating by monitoring by DDC or PLC controller empty by the mixing of combined air processing
Whether gas reaches energy-efficient optimum state to help DDC or PLC controller to make the judgement of optimal power-save operation；
5) testboard not only has the characteristics that apparent energy saving, can also reduce traditional cooling by wind performance test
Platform is transformed into the performance test bed required great number improvement cost of all-in-one evaporative cooling handpiece Water Chilling Units.In traditional wind-cooled cold-water
On unit performance testboard only need increase mix between, frequency conversion exhaust fan unit, frequency conversion fresh air air-supply unit, outdoor temperature sensing
Device, outside humidity sensor and control system etc. do not have to ability, the combination type air processing of the water chiller of upgrading test platform
The ability of machine, and the necessary water route of change and air-line system, so that it may to reach apparent energy-efficient effect.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
In the accompanying drawings, the list of designations represented by each label is as follows：1, test between, 2, all-in-one evaporative cooling it is cold
Water dispenser group, 3, combined air processing, 4, exhaust fan unit, 5, fresh air wind pushing air handle unit, 6, wind-collecting cover, 7, conveying wind
Pipe, 8, outdoor temperature sensor, 9, outside humidity sensor, differential pressure pickup between 10, mixing, 11, frequency conversion exhaust fan, 12,
Frequency conversion fresh air breeze fan, 13, fresh air electric heater, 14, diffusing aerofoil, temperature sensor between 15, test is wet between 16, test
Spend sensor, differential pressure pickup between 17, test, between 18, mixing, 19, frequency conversion breeze fan, 20, humidifier, 21, heating equipment,
22, surface cooler, 23, mixing wind temperature sensor, 24, mixing wind humidity sensor.
Specific implementation mode
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining this practicality
It is novel, it is not intended to limit the scope of the utility model.
As shown in Figure 1, a kind of all-in-one evaporative cooling handpiece Water Chilling Units are performance test bed, including 1 between test, described in connection
1 test wind transport system and combined air processing 3 between test, and to testing at wind transport system and combination type air
The control system that reason machine 3 is controlled, the all-in-one evaporative cooling handpiece Water Chilling Units 2 are placed in 1 between the test, the survey
It includes being arranged 18 between the mixing 1 between the test above to try wind transport system, between connecting test 1 and between mixing 18 wind-collecting cover
6, one end of fresh air wind pushing air processing unit 5, exhaust fan unit 4, and conveying air hose 7, the conveying air hose 7 is mixed with described
Between 18 air outlet connection, the other end connects the air intake vent of the combined air processing 3, the combined air processing
Between 3 air outlet and the test 1 connection, and 1 between the test between be equipped with the first diffusing aerofoil 14-1；The fresh air is sent
Wind air-treatment unit 5 and exhaust fan unit 4 are located between the mixing 18 both sides.
1 is the room with heat insulation layer between the test, and 18 be the space with heat insulation layer between the mixing,
The second diffusing aerofoil 14-2 is equipped between the mixing between 18 and the wind-collecting cover 6.
Third is respectively equipped between the mixing between 18 and fresh air wind pushing air processing unit 5 and exhaust fan unit 4 to dissipate
Flow aerofoil 14-3 and the 4th diffusing aerofoil 14-4.
1 is internally provided between test between temperature sensor 15, test pressure difference between humidity sensor 16 and test between the test
Sensor 17,17 one end of differential pressure pickup is connected between test in 1 between the test, and the other end is connected to outside atmosphere pressure, institute
State test between temperature sensor 15, test between humidity sensor 16 and test between 17 signal of differential pressure pickup be connected to the control
System processed；
1 outside is equipped with outdoor temperature sensor 8 and outside humidity sensor 9, the outdoor temperature sensing between the test
Device 8 and 9 signal of outside humidity sensor are also connected to control system.
Differential pressure pickup 10 between mixing is provided in 18 between the mixing, 10 one end of differential pressure pickup connects between the mixing
In to mixing, the other end is connected to outside atmosphere pressure, and 10 signal of differential pressure pickup is connected to control system between the mixing；
Mixing wind temperature sensor 23 and mixing wind humidity sensor 24, institute are additionally provided between the mixing at 18 air outlet
It states mixing wind temperature sensor 23 and 24 signal of mixing wind humidity sensor is connected to the control system.
The combined air processing 3 includes humidifier 20, heating equipment 21, surface cooler 22 and frequency conversion breeze fan
19, between the air outlet and the test of the frequency conversion breeze fan 19 1 connection, the air outlet of specific frequency conversion breeze fan 19 with
The condenser air inlet of tested all-in-one evaporative cooling handpiece Water Chilling Units 2 connects, the humidifier 20, heating equipment 21, table
Cooler 22 and frequency conversion breeze fan 19 are controlled by the control system.
Humidity sensor 16 is arranged in the combined air processing 3 between temperature sensor 15 and test between the test
Air outlet and the condenser air inlet of all-in-one evaporative cooling handpiece Water Chilling Units 2 between.
The fresh air wind pushing air processing unit 5 is provided with fresh air electric heater 13 and frequency conversion fresh air breeze fan 12, institute
It states fresh air electric heater 13 and frequency conversion fresh air breeze fan 12 is controlled by the control system.
The exhaust fan unit 4 is provided with frequency conversion exhaust fan 11, and the frequency conversion exhaust fan 11 is by the control system control
System.DDC or PLC can be used in the control system.
The operation principle of the utility model is as follows：
By detecting outside air temperature and humidity one is not being influenced via DDC or the logical calculated of PLC controller
While changing the condenser air quantity of evaporation cooling type cold water unit 2, by the air of high relative humidity and outdoor low relative humidity
Fresh air is replaced, and the cooling load of combined air processing is reduced, and reduces power consumption, this is test bed with apparent section
It can effect.
DDC or PLC controller by detect test between differential pressure pickup 17 pressure difference come the box-like air processing machine of control group 3
In frequency conversion breeze fan 19 rotating speed, ensure test between 1 stablize at normal atmospheric pressure；
When all-in-one evaporative cooling handpiece Water Chilling Units are switched on and test, DDC or PLC controller are passed by detecting outdoor temperature
Difference between sensor 8, outside humidity sensor 9 and mixing wind temperature sensor 23, mixing wind humidity sensor 24, via
The logical calculated of DDC or PLC controller judges whether to introduce fresh air, temperature sensing outside specific DDC or PLC controller sensing chamber
The value of device 8, outside humidity sensor 9, mixing wind temperature sensor 23, mixing wind humidity sensor 24, DDC or PLC controller
The water capacity of air at this time, DDC or PLC controls are calculated according to the value of mixing wind temperature sensor 23, mixing wind humidity sensor 24
Device processed is according to the desired temperature and humidity set point calculating air target water capacity between test, according to the difference of front and back water capacity
Variation changes the conversion frequencies of frequency conversion fresh air breeze fan 12, it is therefore an objective to ensure that the water capacity of mixing air meets target and contains as possible
Moisture demand saves water source and power supply to save the humidification work of the humidifier 20 in combined air processing 3；
If result of calculation is to introduce fresh air, then opening fresh air wind pushing air processing unit 5 makes frequency conversion fresh air air-supply wind
Machine 12 is gradually converted at full capacity, later by DDC or PLC controller by detecting mixing wind temperature sensor 23, mixing rheumatism
It spends 24 value of sensor and determines frequency conversion fresh air breeze fan frequency, while opening exhaust fan unit 4 makes frequency conversion exhaust fan 11 according to mixed
The pressure difference increase and decrease of differential pressure pickup 10 carries between conjunction, it is therefore an objective to ensure that 18 stabilizations are at normal atmospheric pressure between mixing；
For the higher air of relative humidity by wind-collecting cover 6 into 18 between mixing, fresh air wind pushing air handles the fresh air of unit 5
Heating equipment 13 judges whether to need fresh air preheating via the logical calculated of DDC or PLC controller, if result of calculation is pre-
Heat so opens fresh air heating equipment 13, and the origin of heat that fresh air wind pushing air handles the fresh air heating equipment 13 in unit 5 can
It is provided with selecting adjustable electrical heating, individual cold water (heat pump) unit can also be selected to provide, fresh air heating equipment
13 load output is determined by DDC or PLC controller by detection mixing wind temperature sensor 23,24 value of mixing wind humidity sensor
Fixed plus-minus carries size；
In between mixing, the higher air of relative humidity and the mixing after the lower fresh air displacement of outside relative humidity are empty
Gas is handled by conveying air hose 7 by humidifier 20, heating equipment 21, the surface cooler 22 in combined air processing 3, specifically
For：DDC or PLC controller by detect test between temperature sensor 15, test humidity sensor 16 value come control combination
Plus-minus load, the aperture of the aperture of 21 water valve of heating equipment, 22 water valve of surface cooler of humidifier 20 in formula air processing machine 3；Combination
The origin of heat of heating equipment 21 in formula air processing machine 3 can select adjustable electrical heating to provide, and can also select
Individual cold water (heat pump) unit provides；The low-temperature receiver source of surface cooler 22 can select individual handpiece Water Chilling Units to provide,
Cold water source and the cooling-water machine combination of all-in-one evaporative cooling handpiece Water Chilling Units itself can be selected to provide, ensure to enter integration
After the air condition of 2 condenser of evaporation cooling type cold water unit reaches measurement condition, it is sent into 1 between test.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of all-in-one evaporative cooling handpiece Water Chilling Units are performance test bed, which is characterized in that including between test, the connection survey
Test wind transport system between examination and combined air processing, and to test wind transport system and combined air processing
The control system controlled, the all-in-one evaporative cooling handpiece Water Chilling Units are placed in the test, and the test wind is defeated
It includes being arranged between the test between the mixing of top to send system, and the wind-collecting cover, fresh air air-supply between connecting test between mixing are empty
One end of gas disposal unit, exhaust fan unit, and conveying air hose, the conveying air hose is connected with the air outlet between described mix,
The other end connects the air intake vent of the combined air processing, the air outlet of the combined air processing and the test
Between connect, and between the test between be equipped with the first diffusing aerofoil；The fresh air wind pushing air processing unit and exhaust fan unit
It is located at the both sides between the mixing.
2. all-in-one evaporative cooling handpiece Water Chilling Units according to claim 1 are performance test bed, which is characterized in that the survey
Between examination be the room with heat insulation layer, between the mixing be the space with heat insulation layer, between the mixing with it is described
The second diffusing aerofoil is equipped between wind-collecting cover.
3. all-in-one evaporative cooling handpiece Water Chilling Units according to claim 2 are performance test bed, which is characterized in that described mixed
It is handled with the fresh air wind pushing air between conjunction and is respectively equipped with third diffusing aerofoil and the 4th diffusing wind between unit and exhaust fan unit
Plate.
4. all-in-one evaporative cooling handpiece Water Chilling Units according to claim 3 are performance test bed, which is characterized in that the survey
It is internally provided between test between temperature sensor, test differential pressure pickup between humidity sensor and test between examination, is pressed between the test
Gap sensor one end is connected in test, and the other end is connected to outside atmosphere pressure, between the test between temperature sensor, test
The equal signal of differential pressure pickup is connected to the control system between humidity sensor and test；
It is external between the test to be equipped with outdoor temperature sensor and outside humidity sensor, the outdoor temperature sensor and outdoor
The equal signal of humidity sensor is connected to control system.
5. all-in-one evaporative cooling handpiece Water Chilling Units according to claim 4 are performance test bed, which is characterized in that described mixed
Differential pressure pickup between mixing is provided between conjunction, differential pressure pickup one end is connected in mixing between the mixing, and the other end connects
It is connected to outside atmosphere pressure, differential pressure pickup signal is connected to control system between the mixing；
Mixing wind temperature sensor and mixing wind humidity sensor, the mixing wind-warm syndrome are additionally provided at air outlet between the mixing
Degree sensor and mixing wind humidity sensor signal are connected to the control system.
6. performance test bed according to claim 1-5 any one of them all-in-one evaporative cooling handpiece Water Chilling Units, feature exists
In the combined air processing includes humidifier, heating equipment, surface cooler and frequency conversion breeze fan, the frequency conversion air-supply
It is connected between the air outlet of wind turbine and the test, the humidifier, heating equipment, surface cooler and frequency conversion breeze fan are connected to
The control system.
7. all-in-one evaporative cooling handpiece Water Chilling Units according to claim 6 are performance test bed, which is characterized in that the survey
Air outlet and integration steaming in the combined air processing is arranged in humidity sensor between temperature sensor and test between examination
Between hair cooled handpiece Water Chilling Units condenser air inlet.
8. all-in-one evaporative cooling handpiece Water Chilling Units according to claim 7 are performance test bed, which is characterized in that described new
Wind wind pushing air processing unit is provided with fresh air electric heater and frequency conversion fresh air breeze fan, the fresh air electric heater and frequency conversion
Fresh air breeze fan is connect with the control system.
9. all-in-one evaporative cooling handpiece Water Chilling Units according to claim 8 are performance test bed, which is characterized in that the row
Blower fan group is provided with frequency conversion exhaust fan, and the frequency conversion exhaust fan is connect with the control system.
10. performance test bed according to claim 7-9 any one of them all-in-one evaporative cooling handpiece Water Chilling Units, feature exists
In the control system uses DDC or PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820217482.XU CN207741952U (en) | 2018-02-07 | 2018-02-07 | A kind of all-in-one evaporative cooling handpiece Water Chilling Units are performance test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820217482.XU CN207741952U (en) | 2018-02-07 | 2018-02-07 | A kind of all-in-one evaporative cooling handpiece Water Chilling Units are performance test bed |
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| Publication Number | Publication Date |
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| CN207741952U true CN207741952U (en) | 2018-08-17 |
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ID=63124446
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820217482.XU Active CN207741952U (en) | 2018-02-07 | 2018-02-07 | A kind of all-in-one evaporative cooling handpiece Water Chilling Units are performance test bed |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109946098A (en) * | 2019-02-14 | 2019-06-28 | 江苏科技大学 | A kind of frozen condition lower surface cooler performance testing stand of enclosed band centre refrigerant |
| CN113588315A (en) * | 2021-08-31 | 2021-11-02 | 广州市华德工业有限公司 | Synthesize hot and cold water unit test system |
-
2018
- 2018-02-07 CN CN201820217482.XU patent/CN207741952U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109946098A (en) * | 2019-02-14 | 2019-06-28 | 江苏科技大学 | A kind of frozen condition lower surface cooler performance testing stand of enclosed band centre refrigerant |
| CN113588315A (en) * | 2021-08-31 | 2021-11-02 | 广州市华德工业有限公司 | Synthesize hot and cold water unit test system |
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