CN103487269A - Capacity-variable water cooling unit test system - Google Patents
Capacity-variable water cooling unit test system Download PDFInfo
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- CN103487269A CN103487269A CN201310422148.XA CN201310422148A CN103487269A CN 103487269 A CN103487269 A CN 103487269A CN 201310422148 A CN201310422148 A CN 201310422148A CN 103487269 A CN103487269 A CN 103487269A
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Abstract
The invention belongs to the technical field of water cooling unit testing, and particularly relates to a capacity-variable water cooling unit test system which comprises an evaporator side circulation pipeline and a condenser side circulation pipeline. A watered circulation pipeline which is communicated with the evaporator side circulation pipeline and the condenser side circulation pipeline is arranged between the evaporator side circulation pipeline and the condenser side circulation pipeline. The evaporator side circulation pipeline is in closed circulation. The evaporator side circulation pipeline and/or the condenser side circulation pipeline are/is provided with capacity adjusting tanks for adjusting pipeline capacity. According to the test system, hot water at the outlet end of a condenser is mixed into cold water at the outlet end of an evaporator through a watered pump in the watered circulation pipeline, identical-flow cold water at the outlet end of the evaporator enters the condenser side circulation pipeline where the condenser is placed, and meanwhile the watered pump can adjust water flow in a frequency-changing mode so that testing requirements can be met, and accordingly the purpose that cooling capacity generated by a water cooling unit is balanced is achieved, operation cost of the test system is lowered, and debugging speed of the test system is improved.
Description
The application is the dividing an application for " 201110112701.0 ", the invention and created name patent of invention that is " variable-volume water chiller set test device " that be on May 3rd, 2011, application number the applying date.
Technical field
The invention belongs to the handpiece Water Chilling Units technical field of measurement and test, concrete a kind of capacity-variable type cold water unit test system.
Background technology
In recent years, continuous improvement along with social development and people's living standard, people also have higher requirement to the comfortableness of living environment, promoted thus the flourish of Domestic Air-condition industry, especially handpiece Water Chilling Units is more extensive in the application of some large and medium-sized central air conditioner systems, so producer also has higher requirement to the proving installation of handpiece Water Chilling Units.Existing handpiece Water Chilling Units proving installation exists the defects such as the high and debug time of operating cost is long, urgently improves.
Summary of the invention
The purpose of this invention is to provide a kind of capacity-variable type cold water unit test system, this test macro can balance the heat that handpiece Water Chilling Units produces when test, thereby has reduced the operating cost of test macro, and has improved the debugging speed of test macro.
For achieving the above object, the present invention has adopted following technical scheme: a kind of capacity-variable type cold water unit test system, this test macro comprises the vaporizer side circulation line that is provided with evaporator and is provided with the condenser side circulation line of condenser, is provided with the circulation line that is watered that is communicated with the two between described vaporizer side circulation line and described condenser side circulation line; And described vaporizer side circulation line is closed cycle; Described vaporizer side circulation line and/or condenser side circulation line are provided with the capacity regulating tank for adjustable pipe appearance of a street amount; Be connected in parallel to each other between the described capacity regulating tank be arranged on vaporizer side circulation line or condenser side circulation line or connect to form capacity regulating tank group, capacity regulating tank group is connected in parallel on vaporizer side circulation line or condenser side circulation line, and capacity regulating tank group is connected in vaporizer side circulation line or condenser side circulation line when pondage.
This capacity-variable type cold water unit test system can also be able to further realization in the following manner:
Be in series with successively vaporizer side filtrator, vaporizer side feed pump and vaporizer side flowmeter on described vaporizer side circulation line between the entrance that is exported to evaporator of flash-pot; Be in series with successively condenser side filtrator, condenser side feed pump and condenser side flowmeter on described condenser side circulation line between the entrance that is exported to condenser of self cooling condenser; Be provided with the valve that opens and closes pipeline on described vaporizer side circulation line and condenser side circulation line.
The outlet of described condenser is provided with the cooling line that leads to cooling tower, and the water side of cooling tower is connected with the water inlet end of constant temperature water tank, and the water side of constant temperature water tank is connected with the entrance of condenser.
The entrance and exit place of described evaporator is provided with the connecting hose be connected with the vaporizer side circulation line, and the entrance and exit place of evaporator is provided with pressure-detecting device and temperature-detecting device; The entrance and exit place of described condenser is provided with the connecting hose be connected with the condenser side circulation line, and the entrance and exit place of condenser is provided with pressure-detecting device and temperature-detecting device.
Described be watered circulation line comprise be watered the pipe and return pipe, the described water inlet end that is watered pipe is connected with the condenser side circulation line, the water side that is watered pipe is connected with the vaporizer side circulation line; The water inlet end of described return pipe is arranged on the outlet of evaporator and is watered on the vaporizer side circulation line between the water side of pipe, and the water side of return pipe is arranged on the condenser side circulation line between the entrance of the water inlet end that is watered pipe and condenser; The described pipe that is watered above is in series with successively and is watered filtrator and is watered pump along water (flow) direction, and described being watered on pipe and return pipe is provided with the valve that opens and closes pipeline.
The described water inlet end that is watered pipe is arranged on the condenser side circulation line between the entrance of the outlet of condenser and condenser side feed pump, and the water side that is watered pipe is arranged on the vaporizer side circulation line between the entrance of the outlet of evaporator and vaporizer side feed pump; The water side of described return pipe is arranged on the condenser side circulation line between the entrance of the water inlet end that is watered pipe and condenser side feed pump.
The outlet of described condenser is provided with the cooling line that leads to cooling tower, and the water side of cooling tower is connected with the water inlet end of constant temperature water tank, and the water side of constant temperature water tank is connected with the entrance of condenser.
Be provided with adding water filter and adding the water water pump of series connection successively on the pipeline of described constant temperature water tank water side, the water side that adds the water water pump is arranged on the water side and the condenser side circulation line between described condenser side filtrator or condenser side feed pump of described return pipe; Described vaporizer side feed pump, condenser side feed pump, be watered pump, add the water water pump and cooling tower is variable frequency pump.
Compared to the prior art the present invention has following beneficial effect:
1), relevant criterion according to handpiece Water Chilling Units, the temperature range of the evaporator outlet end in tested handpiece Water Chilling Units is 5～15 ℃, the temperature range of condensator outlet end is 20～38 ℃, this test macro utilizes above-mentioned condition exactly, by being watered pump, the hot water of condensator outlet end is converted in the cold water of evaporator outlet end, because the vaporizer side circulation line at evaporator place is closed cycle, therefore the evaporator outlet end enters into the condenser side circulation line at condenser place with regard to the cold water of flows such as having, be watered pump can variable frequency adjustment discharge simultaneously, to reach the desired working temperature of test, thereby realized the purpose of falling by being watered cold balancing that circulation line produces handpiece Water Chilling Units,
2), also can produce heat during the compressor work in tested handpiece Water Chilling Units, this part heat can't carry out balance by being watered circulation line, the present invention is driven into the cold water in constant temperature water tank in the condenser side circulation line by adding the water water pump, now the pressure in the condenser side circulation line increases, the part hot water of condensator outlet end is pressed onto on cooling tower and is dispelled the heat, water after heat radiation flow in constant temperature water tank by the water side of cooling tower, has completed thus whole circulations; On described cooling line add the water water pump and cooling tower can carry out variable frequency adjustment, thereby control the heat dissipation capacity of cooling tower, meet test request with the temperature that guarantees constant temperature water tank;
3), handpiece Water Chilling Units is in actual moving process, because the length of system pipeline can be different, handpiece Water Chilling Units can be controlled according to leaving water temperature the unloading that adds of compressor, if the load needed increases in a short period of time or reduces, may produce and impact the operation of handpiece Water Chilling Units; Can the above-mentioned state of simulate in this kind of capacity-variable type cold water unit test system, be provided with the capacity regulating tank for adjustable pipe appearance of a street amount in vaporizer side circulation line and/or condenser side circulation line, when the capacity regulating tank is opened according to actual demand, solution in the capacity regulating tank just is connected in pipe system, and now the solution in the capacity regulating tank just can be simulated the loaded situation that increases suddenly; And, when the capacity regulating tank is closed, just can simulate the situation of unexpected minimizing load; Can be according to demand between the capacity regulating tank different modes by serial or parallel connection are to meet the various demand requirements of unequally loaded;
4), this test macro energy-saving effect is remarkable, all water pumps and cooling tower all adopt variable frequency control, the needs of different heat radiation loads while meeting the different unit of test have also reduced the power load of equipment simultaneously and have reduced the operating cost of test macro;
5), the equipment in this test macro is less, do not configure solenoid valve and electric control valve, reduced the failure rate of conditioning equipment, guaranteed the operation that test macro can be long-term, stable;
6), this test macro can test that the range spans of handpiece Water Chilling Units is larger, adjusting function is good, can reach the requirement of steady working condition within a short period of time.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
As shown in Figure 1, the structure of this kind of capacity-variable type cold water unit test system is described as follows:
Cooling tower 1, condenser 2, evaporator 3, pressure-measuring-point 4, temperature point 5, vaporizer side connecting hose 6A, condenser side connecting hose 6B, vaporizer side flowmeter 7, vaporizer side circulation line 8, turbine and worm butterfly valve 9, tensimeter 10, vaporizer side feed pump 11, vaporizer side filtrator 12, medium side capacity regulating tank 13, butterfly valve 13A, be watered pump 14, be watered pipe 15A, return pipe 15B, cold side capacity regulating tank 16, condenser side circulation line 17, condenser side filtrator 18, condenser side feed pump 19, condenser side flowmeter 20, add water water pump 21, constant temperature water tank 22.
The outlet of the evaporator 3 of tested handpiece Water Chilling Units is connected on the entrance of vaporizer side feed pump 11 by connecting hose 6A, the outlet of vaporizer side feed pump 11 takes back the entrance of tested handpiece Water Chilling Units evaporator 3 after being connected to vaporizer side flowmeter 7 again by connecting hose 6A, to complete the circulation of evaporation side.
The outlet of the condenser 2 of tested handpiece Water Chilling Units is connected on the entrance of condenser side feed pump 19 by connecting hose 6B, the outlet of condenser side feed pump 19 takes back the entrance of tested handpiece Water Chilling Units condenser 2 after being connected to condenser side flowmeter 20 again by connecting hose 6B, to complete the circulation of condenser side.
On condenser side circulation line 17 between the outlet that the water inlet end that the described water inlet end that is watered pipe 15A also is watered pump 14 is arranged on condenser 2 and the entrance of condenser side feed pump 19, be watered on the vaporizer side circulation line 8 between the entrance that water side that water side of managing 15A also be watered pump 14 is arranged on the outlet of evaporator 3 and vaporizer side feed pump 11; The water inlet end of described return pipe 15B is arranged on the outlet of evaporator 3 and is watered on the vaporizer side circulation line 8 between the water side of pipe 15A, and the water side of return pipe 15B is arranged on the condenser side circulation line 17 between the entrance that is watered the pipe water inlet end of 15A and condenser side feed pump 19; Described be watered pipe 15A and complete pipeline after return pipe 15B is connected be watered circulation.
Constant temperature water tank 22 is received the entrance that adds water water pump 20, the outlet that adds water water pump 20 is arranged on the water side and the condenser side circulation line 17 between described condenser side filtrator 18 or condenser side feed pump 19 of described return pipe 15B, the outlet of tested handpiece Water Chilling Units condenser 2 is connected to the import of cooling tower 1, the outlet of cooling tower 1 is connected to constant temperature water tank 22, with what complete condenser side circulation line 17, adds water and cooling.
As shown in Figure 1, be provided with the capacity regulating tank 13 of mutual parallel connection on described vaporizer side circulation line 8, the quantity of capacity regulating tank 13 can be adjusted according to actual needs, can be for one or more, the quantity of the capacity regulating tank 13 in the present embodiment is two, and also two capacity regulating tanks 13 form capacity regulating tank group; Certain two capacity regulating tanks 13 can also adopt the mode of mutual series connection to form capacity regulating tank group.
The capacity regulating tank 13 of parallel connection mutually in Fig. 1 forms capacity regulating tank groups and is connected in parallel on vaporizer side circulation line 8, the capacity regulating tank group that also the capacity regulating tank 13 of parallel connection forms mutually and the butterfly valve 13A in vaporizer side circulation line 8 are connected in parallel, when not needing to adjust the volume of vaporizer side circulation line 8, butterfly valve 13A is in open mode, and the capacity regulating tank group of two capacity regulating tank 13 formations is in closed condition; When needs are adjusted the volume of vaporizer side circulation line 8, the capacity regulating tank group of two capacity regulating tank 13 formations is in opening, thereby this capacity regulating tank group is connected in vaporizer side circulation line 8, solution in capacity regulating tank group just just is connected in pipe system thus, the purpose that the capacity of having realized loads.
Certainly mutual capacity regulating tank 13 in parallel is when adjusting the volume of vaporizer side circulation line 8, also can make one of them capacity regulating tank 13 in closed condition, and another capacity regulating tank 13 is conducive to the volume of vaporizer side circulation line 8 is finely tuned in opening.
Equally, as shown in Figure 1, be provided with two capacity regulating tanks 16 of parallel connection mutually on described condenser side circulation line 17, the capacity regulating tank group that two capacity regulating tanks 16 form is in parallel mutually with condenser side circulation line 17, the capacity regulating tank group that two capacity regulating tanks 16 form is connected in parallel on the condenser side circulation line, and capacity regulating tank group is connected in the condenser side circulation line when pondage.
Claims (8)
1. a capacity-variable type cold water unit test system, it is characterized in that: this test macro comprises the vaporizer side circulation line that is provided with evaporator (3) and is provided with the condenser side circulation line of condenser (2), be provided with the circulation line that is watered that is communicated with the two between described vaporizer side circulation line and condenser side circulation line, and described vaporizer side circulation line is closed cycle; Described vaporizer side circulation line and/or condenser side circulation line are provided with the capacity regulating tank for adjustable pipe appearance of a street amount;
Be connected in parallel to each other between the described capacity regulating tank be arranged on vaporizer side circulation line or condenser side circulation line or connect to form capacity regulating tank group, capacity regulating tank group is connected in parallel on vaporizer side circulation line or condenser side circulation line, and capacity regulating tank group is connected in vaporizer side circulation line or condenser side circulation line when pondage.
2. a kind of capacity-variable type cold water unit test system according to claim 1, is characterized in that: be in series with successively vaporizer side filtrator (12), vaporizer side feed pump (11) and vaporizer side flowmeter (7) on described vaporizer side circulation line between the entrance that is exported to evaporator (3) of flash-pot (3); Be in series with successively condenser side filtrator (18), condenser side feed pump (19) and condenser side flowmeter (20) on described condenser side circulation line between the entrance that is exported to condenser (2) of self cooling condenser (2); Be provided with the valve that opens and closes pipeline on described vaporizer side circulation line and condenser side circulation line.
3. a kind of capacity-variable type cold water unit test system according to claim 1, it is characterized in that: the outlet of described condenser (2) is provided with the cooling line that leads to cooling tower (1), the water side of cooling tower (1) is connected with the water inlet end of constant temperature water tank (22), and the water side of constant temperature water tank (22) is connected with the entrance of condenser (2).
4. a kind of capacity-variable type cold water unit test system according to claim 2, it is characterized in that: the entrance and exit place of described evaporator (3) is provided with the connecting hose be connected with the vaporizer side circulation line, and the entrance and exit place of evaporator (3) is provided with pressure-detecting device and temperature-detecting device; The entrance and exit place of described condenser (2) is provided with the connecting hose be connected with the condenser side circulation line, and the entrance and exit place of condenser (2) is provided with pressure-detecting device (4) and temperature-detecting device (5).
5. a kind of capacity-variable type cold water unit test system according to claim 2, it is characterized in that: the described circulation line that is watered comprises and is watered pipe (15A) and return pipe (15B), the described water inlet end that is watered pipe (15A) is connected with the condenser side circulation line, and the water side that is watered pipe (15A) is connected with the vaporizer side circulation line; The water inlet end of described return pipe (15B) is arranged on the outlet of evaporator (3) and is watered on the vaporizer side circulation line between the water side of pipe (15A), and the water side of return pipe (15B) is arranged on the condenser side circulation line between the entrance of the water inlet end that is watered pipe (15A) and condenser (2); The described pipe (15A) that is watered above is in series with successively and is watered filtrator and is watered pump (14) along water (flow) direction, and described being watered on pipe (15A) and return pipe (15B) is provided with the valve that opens and closes pipeline.
6. a kind of capacity-variable type cold water unit test system according to claim 5, it is characterized in that: the described water inlet end that is watered pipe (15A) is arranged on the condenser side circulation line between the entrance of the outlet of condenser (2) and condenser side feed pump (19), and the water side that is watered pipe (15A) is arranged on the vaporizer side circulation line between the entrance of the outlet of evaporator (3) and vaporizer side feed pump (11); The water side of described return pipe (15B) is arranged on the condenser side circulation line between the entrance of the water inlet end that is watered pipe (15A) and condenser side feed pump (19).
7. a kind of capacity-variable type cold water unit test system according to claim 6, it is characterized in that: the outlet of described condenser (2) is provided with the cooling line that leads to cooling tower (1), the water side of cooling tower (1) is connected with the water inlet end of constant temperature water tank (22), and the water side of constant temperature water tank (22) is connected with the entrance of condenser (2).
8. a kind of capacity-variable type cold water unit test system according to claim 7, it is characterized in that: be provided with adding water filter (23) and adding water water pump (21) of series connection successively on the pipeline of described constant temperature water tank (22) water side, the water side that adds water water pump (21) is arranged on the water side and the condenser side circulation line between described condenser side filtrator (18) or condenser side feed pump (19) of described return pipe (15B); Described vaporizer side feed pump (11), condenser side feed pump (19), be watered pump (14), add water water pump (21) and cooling tower (1) is variable frequency pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310422148.XA CN103487269B (en) | 2011-05-03 | 2011-05-03 | A kind of capacity-variable type cold water unit test system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310422148.XA CN103487269B (en) | 2011-05-03 | 2011-05-03 | A kind of capacity-variable type cold water unit test system |
| CN 201110112701 CN102288421B (en) | 2011-05-03 | 2011-05-03 | Variable-volume water chiller set test device |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110112701 Division CN102288421B (en) | 2011-05-03 | 2011-05-03 | Variable-volume water chiller set test device |
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| CN103487269A true CN103487269A (en) | 2014-01-01 |
| CN103487269B CN103487269B (en) | 2016-04-06 |
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| CN 201110112701 Active CN102288421B (en) | 2011-05-03 | 2011-05-03 | Variable-volume water chiller set test device |
| CN201310422148.XA Active CN103487269B (en) | 2011-05-03 | 2011-05-03 | A kind of capacity-variable type cold water unit test system |
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| CN 201110112701 Active CN102288421B (en) | 2011-05-03 | 2011-05-03 | Variable-volume water chiller set test device |
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Cited By (3)
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| CN104458310A (en) * | 2014-12-15 | 2015-03-25 | 北京百度网讯科技有限公司 | System and method for testing water chilling unit with load |
| CN105973631A (en) * | 2016-07-14 | 2016-09-28 | 昆山台佳机电有限公司 | Integrated evaporation cooled cold water set performance test bench |
| CN111595603A (en) * | 2018-09-27 | 2020-08-28 | 合肥通用机械研究院有限公司 | Improved testing device for testing water chilling unit with heat recovery function |
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| CN102607871B (en) * | 2012-02-21 | 2014-12-10 | 合肥通用机械研究院 | Test device of cold water unit suitable for low temperature refrigerating medium |
| CN103423821A (en) * | 2013-08-26 | 2013-12-04 | 广西比迪光电科技工程有限责任公司 | Central air conditioning system using cooling water tank |
| CN103808524B (en) * | 2014-02-20 | 2016-03-30 | 南京师范大学 | A kind of water-water type/water-ethylene glycol type water source heat pump units performance testing device |
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| CN111059680B (en) * | 2019-11-12 | 2021-06-18 | 珠海格力电器股份有限公司 | Self-adjusting stable water cooling control method, computer readable storage medium and air conditioner |
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| CN111595603B (en) * | 2018-09-27 | 2021-12-14 | 合肥通用机械研究院有限公司 | Improved testing device for testing water chilling unit with heat recovery function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102288421A (en) | 2011-12-21 |
| CN102288421B (en) | 2013-09-25 |
| CN103487269B (en) | 2016-04-06 |
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