CN103487269B - A kind of capacity-variable type cold water unit test system - Google Patents
A kind of capacity-variable type cold water unit test system Download PDFInfo
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- CN103487269B CN103487269B CN201310422148.XA CN201310422148A CN103487269B CN 103487269 B CN103487269 B CN 103487269B CN 201310422148 A CN201310422148 A CN 201310422148A CN 103487269 B CN103487269 B CN 103487269B
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Abstract
The invention belongs to handpiece Water Chilling Units technical field of measurement and test, be specifically related to a kind of capacity-variable type cold water unit test system.This test macro comprises vaporizer side circulation line and condenser side circulation line, and what be provided with both connections between vaporizer side circulation line and condenser side circulation line is watered circulation line; And 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 regulating circuit capacity.The hot water of condensator outlet end is converted in the cold water of evaporator outlet end by the pump that is watered be watered in circulation line by this test macro, evaporator outlet end such as to have enter into the condenser side circulation line at condenser place at the cold water of flow, be watered simultaneously pump can variable frequency adjustment discharge to reach the requirement of test, thus achieve the object that the cold balancing that handpiece Water Chilling Units produced falls; Not only reduce the operating cost of test macro, and improve the debugging speed of test macro.
Description
The divisional application that the application is the applying date is on May 3rd, 2011, application number is " 201110112701.0 ", invention and created name is the patent of invention of " variable-volume water chiller set test device ".
Technical field
The invention belongs to 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, along with the continuous improvement of social development and people's living standard, the comfortableness of people to living environment it is also proposed higher requirement, thereby promote 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 the proving installation of producer to handpiece Water Chilling Units it is also proposed higher requirement.Existing handpiece Water Chilling Units proving installation then also exists the defects such as the high and debug time of operating cost is long, urgently improves.
Summary of the invention
The object 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 testing, thus reduces the operating cost of test macro, and improves the debugging speed of test macro.
For achieving the above object, present invention employs following technical scheme: a kind of capacity-variable type cold water unit test system, this test macro comprises the vaporizer side circulation line being provided with evaporator and the condenser side circulation line being provided with condenser, and what be provided with both connections between described vaporizer side circulation line and described condenser side circulation line is watered 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 regulating circuit capacity; 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 on when pondage in vaporizer side circulation line or condenser side circulation line.
This capacity-variable type cold water unit test system can also be able to further realization in the following manner:
On described vaporizer side circulation line flash-pot the entrance being exported to evaporator between be in series with vaporizer side filtrator, vaporizer side feed pump and vaporizer side flowmeter successively; On described condenser side circulation line condenser the entrance being exported to condenser between be in series with condenser side filtrator, condenser side feed pump and condenser side flowmeter successively; Described vaporizer side circulation line and condenser side circulation line are provided with the valve opening and closing pipeline.
The outlet of described condenser is provided with the cooling line leading 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 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 condenser side circulation line, and the entrance and exit place of condenser is provided with pressure-detecting device and temperature-detecting device.
The described circulation line that is watered comprises and is watered pipe and return pipe, described in be watered pipe water inlet end be connected with condenser side circulation line, the water side being watered pipe is connected with vaporizer side circulation line; The water inlet end of described return pipe is arranged on the vaporizer side circulation line between the outlet of evaporator and the water side being watered pipe, and the water side of return pipe is arranged on the condenser side circulation line that is watered between the water inlet end of pipe and the entrance of condenser; Describedly be watered upper being in series with successively along water (flow) direction of pipe and be watered filtrator and be watered pump, and described in be watered valve pipe and return pipe being provided with keying pipeline.
The described water inlet end being watered pipe is arranged on the condenser side circulation line between the outlet of condenser and the entrance of condenser side feed pump, and the water side being watered pipe is arranged on the vaporizer side circulation line between the outlet of evaporator and the entrance of vaporizer side feed pump; The water side of described return pipe be arranged on be watered pipe the condenser side circulation line between water inlet end and the entrance of condenser side feed pump on.
The outlet of described condenser is provided with the cooling line leading 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 pipeline of described constant temperature water tank water side is provided with connect successively add water filter and to add water water pump, the water side of the water pump that adds water is arranged on the condenser side circulation line between the water side of described return pipe and described condenser side filtrator or condenser side feed pump; Described vaporizer side feed pump, condenser side feed pump, be watered pump, add water water pump and cooling tower be variable frequency pump.
Compared to the prior art the present invention has following beneficial effect:
1), according to the relevant criterion of handpiece Water Chilling Units, the temperature range of the evaporator outlet end in tested handpiece Water Chilling Units is 5 ~ 15 DEG C, the temperature range of condensator outlet end is 20 ~ 38 DEG C, 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, vaporizer side circulation line due to evaporator place is closed cycle, therefore 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 working temperature required by test, thus achieve the object that the cold balancing that handpiece Water Chilling Units produced by being watered circulation line falls,
2) also heat can be produced during compressor work, in tested handpiece Water Chilling Units, this partial heat cannot balance by being watered circulation line, cold water in constant temperature water tank is driven in condenser side circulation line by the water pump that adds water by the present invention, pressure increase now in condenser side circulation line, the part hot water of condensator outlet end is pressed onto on cooling tower and dispels the heat, water after heat radiation flow in constant temperature water tank by the water side of cooling tower, this completes whole circulations; Add water water pump and cooling tower on described cooling line can carry out variable frequency adjustment, thus the heat dissipation capacity of controlled cooling model tower, to ensure that the temperature of constant temperature water tank meets test request;
3), handpiece Water Chilling Units is in actual moving process, because the length of system pipeline can be different, what handpiece Water Chilling Units can control compressor according to leaving water temperature adds unloading, if the load needed increases in a short period of time or reduces, may produce impact to the operation of handpiece Water Chilling Units; Then can the above-mentioned state of simulate in this kind of capacity-variable type cold water unit test system, namely in vaporizer side circulation line and/or condenser side circulation line, be provided with the capacity regulating tank for regulating circuit capacity, when capacity regulating tank is opened according to actual demand, solution in capacity regulating tank is just connected in pipe system, and the solution now in capacity regulating tank just can be simulated and be increased loaded situation suddenly; And when being closed by capacity regulating tank, the situation reducing suddenly load just can be simulated; Between capacity regulating tank can according to demand the different mode by serial or parallel connection to meet the various demand requirement of unequally loaded;
4), this test macro energy-saving effect is remarkable, and all water pumps and cooling tower all adopt variable frequency control, meet the needs of different heat radiation load during the different unit of test, decrease the power load of equipment simultaneously and reduce the operating cost of test macro;
5) equipment, in this test macro is less, does not configure solenoid valve and electric control valve, decreases the failure rate of conditioning equipment, ensure that the operation that test macro can be long-term, stable;
6), this test macro range spans that can test handpiece Water Chilling Units is comparatively large, and adjusting function is good, can reach the requirement of steady working condition within a short period of time.
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 to by connecting hose 6A on the entrance of vaporizer side feed pump 11, the entrance of tested handpiece Water Chilling Units evaporator 3 is taken back again by connecting hose 6A, to complete the circulation of evaporation side after the outlet of vaporizer side feed pump 11 is connected to vaporizer side flowmeter 7.
The outlet of the condenser 2 of tested handpiece Water Chilling Units is connected to by connecting hose 6B on the entrance of condenser side feed pump 19, the entrance of tested handpiece Water Chilling Units condenser 2 is taken back again by connecting hose 6B, to complete the circulation of condenser side after the outlet of condenser side feed pump 19 is connected to condenser side flowmeter 20.
The water inlet end that namely the described water inlet end being watered pipe 15A is also watered pump 14 is arranged on the condenser side circulation line 17 between the outlet of condenser 2 and the entrance of condenser side feed pump 19, and the water side that namely water side being watered pipe 15A is also watered pump 14 is arranged on the vaporizer side circulation line 8 between the outlet of evaporator 3 and the entrance of vaporizer side feed pump 11; The water inlet end of described return pipe 15B is arranged on the vaporizer side circulation line 8 between the outlet of evaporator 3 and the water side being watered pipe 15A, the water side of return pipe 15B be arranged on be watered pipe 15A the condenser side circulation line 17 between water inlet end and the entrance of condenser side feed pump 19 on; Described being watered completes pipeline after pipe 15A is connected with return pipe 15B and is watered circulation.
Constant temperature water tank 22 receives the entrance of the water pump 20 that adds water, the outlet of water pump 20 of adding water is arranged on the condenser side circulation line 17 between the water side of described return pipe 15B and described condenser side filtrator 18 or condenser side feed pump 19, 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, to complete adding water and cooling of condenser side circulation line 17.
As shown in Figure 1, described vaporizer side circulation line 8 is provided with capacity regulating tank 13 in parallel mutually, the quantity of capacity regulating tank 13 can be adjusted according to actual needs, can be one or more, the quantity of the capacity regulating tank 13 in the present embodiment is two, and also namely two capacity regulating tanks 13 form capacity regulating tank group; Certain two capacity regulating tanks 13 can also adopt the mode of series connection mutually to form capacity regulating tank group.
Capacity regulating tank 13 in parallel mutually in Fig. 1 forms capacity regulating tank group and is connected in parallel on vaporizer side circulation line 8, also the butterfly valve 13A in the capacity regulating tank group that capacity regulating tank 13 namely mutually in parallel is formed and vaporizer side circulation line 8 is connected in parallel, then when not needing the volume adjusting 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 then in closed condition; When needing the volume adjusting vaporizer side circulation line 8, the capacity regulating tank group of two capacity regulating tank 13 formations is then in opening, thus make this capacity regulating tank group be connected in vaporizer side circulation line 8, solution thus in capacity regulating tank group is just just connected in pipe system, achieves the object of incremental assignment.
Certainly capacity regulating tank 13 in parallel is mutually when adjusting the volume of vaporizer side circulation line 8, also one of them capacity regulating tank 13 can be made to be in closed condition, and another capacity regulating tank 13 is in opening, be then conducive to finely tuning the volume of vaporizer side circulation line 8.
Equally, as shown in Figure 1, described condenser side circulation line 17 is provided with two mutual capacity regulating tanks 16 in parallel, 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 condenser side circulation line, and capacity regulating tank group is connected in condenser side circulation line when pondage.
Claims (4)
1. a capacity-variable type cold water unit test system, it is characterized in that: this test macro comprises the vaporizer side circulation line being provided with evaporator (3) and the condenser side circulation line being provided with condenser (2), what be provided with both connections between described vaporizer side circulation line and condenser side circulation line is watered 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 regulating circuit capacity;
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;
Described capacity regulating tank group uses in test process;
On described vaporizer side circulation line flash-pot (3) the entrance being exported to evaporator (3) between be in series with vaporizer side filtrator (12), vaporizer side feed pump (11) and vaporizer side flowmeter (7) successively; On described condenser side circulation line condenser (2) the entrance being exported to condenser (2) between be in series with condenser side filtrator (18), condenser side feed pump (19) and condenser side flowmeter (20) successively; Described vaporizer side circulation line and condenser side circulation line are provided with the valve opening and closing pipeline;
The described circulation line that is watered comprises and is watered pipe (15A) and return pipe (15B), the described water inlet end being watered pipe (15A) is connected with condenser side circulation line, and the water side being watered pipe (15A) is connected with vaporizer side circulation line; The water inlet end of described return pipe (15B) is arranged on the vaporizer side circulation line between the outlet of evaporator (3) and the water side being watered pipe (15A), the water side of return pipe (15B) be arranged on be watered pipe (15A) the condenser side circulation line between water inlet end and the entrance of condenser (2) on; Described be watered pipe (15A) is in series with successively along water (flow) direction be watered filtrator and be watered pump (14), and described in be watered valve pipe (15A) and return pipe (15B) being provided with keying pipeline;
The described water inlet end being watered pipe (15A) is arranged on the condenser side circulation line between the outlet of condenser (2) and the entrance of condenser side feed pump (19), and the water side being watered pipe (15A) is arranged on the vaporizer side circulation line between the outlet of evaporator (3) and the entrance of vaporizer side feed pump (11); The water side of described return pipe (15B) be arranged on be watered pipe (15A) the condenser side circulation line between water inlet end and the entrance of condenser side feed pump (19) on.
2. a kind of capacity-variable type cold water unit test system according to claim 1, it is characterized in that: the entrance and exit place of described evaporator (3) is provided with the connecting hose be connected with 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 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).
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 leading 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 3, it is characterized in that: the pipeline of described constant temperature water tank (22) water side is provided with connect successively add water filter (23) and the water pump that adds water (21), the water side of the water pump that adds water (21) is arranged on the condenser side circulation line between the water side of described return pipe (15B) and described condenser side filtrator (18) or condenser side feed pump (19); Described vaporizer side feed pump (11), condenser side feed pump (19), be watered pump (14), the water pump that adds water (21) and cooling tower (1) and be 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 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110112701 CN102288421B (en) | 2011-05-03 | 2011-05-03 | Variable-volume water chiller set test device |
| 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 | 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 CN103487269A (en) | 2014-01-01 |
| CN103487269B true 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 |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| CN104458310B (en) * | 2014-12-15 | 2017-05-03 | 北京百度网讯科技有限公司 | System and method for testing water chilling unit with load |
| CN105973631B (en) * | 2016-07-14 | 2018-10-30 | 昆山台佳机电有限公司 | All-in-one evaporative cooling handpiece Water Chilling Units property test platform |
| CN108240916B (en) * | 2017-12-28 | 2019-12-10 | 合肥通用机械研究院有限公司 | First-class absorption heat pump unit testing device |
| CN110469926B (en) | 2018-05-11 | 2022-05-24 | 开利公司 | Water circulation system for air conditioning system and control method thereof |
| CN109374322B (en) * | 2018-09-27 | 2020-07-07 | 合肥通用机械研究院有限公司 | Water chilling unit testing device with heat recovery function |
| CN111795481B (en) | 2019-04-08 | 2023-05-23 | 开利公司 | Air conditioning system and control method therefor |
| CN110333093B (en) * | 2019-07-19 | 2021-04-02 | 东莞市泰丰空调制冷设备有限公司 | Test platform for water chilling unit |
| 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 |
| CN111413117B (en) * | 2020-03-12 | 2022-04-05 | 合肥通用机械研究院有限公司 | Test system based on inverse temperature working condition of water-cooling water chilling unit |
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| CN103487269A (en) | 2014-01-01 |
| CN102288421A (en) | 2011-12-21 |
| CN102288421B (en) | 2013-09-25 |
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Address after: High tech Zone of Hefei city of Anhui Province in 230088 Lake Road No. 29 Patentee after: HEFEI GENERAL MACHINERY RESEARCH INSTITUTE Co.,Ltd. Address before: High tech Zone of Hefei city of Anhui Province in 230088 Lake Road No. 29 Patentee before: HEFEI GENERAL MACHINERY Research Institute |
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Address after: 230031 No. 888 Changjiang West Road, Shushan District, Anhui, Hefei Patentee after: HEFEI GENERAL MACHINERY RESEARCH INSTITUTE Co.,Ltd. Address before: High tech Zone of Hefei city of Anhui Province in 230088 Lake Road No. 29 Patentee before: HEFEI GENERAL MACHINERY RESEARCH INSTITUTE Co.,Ltd. |