CN102288421A - Variable-volume water chiller set test device - Google Patents
Variable-volume water chiller set test device Download PDFInfo
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- CN102288421A CN102288421A CN2011101127010A CN201110112701A CN102288421A CN 102288421 A CN102288421 A CN 102288421A CN 2011101127010 A CN2011101127010 A CN 2011101127010A CN 201110112701 A CN201110112701 A CN 201110112701A CN 102288421 A CN102288421 A CN 102288421A
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Abstract
The invention belongs to the technical field of water chiller set test, in particular to a variable-volume water chiller set test device, which comprises an evaporator side circulation pipeline and a condenser side circulation pipeline, wherein the evaporator side circulation pipeline is provided with an evaporator, the condenser side circulation pipeline is provided with a condenser, a water mixing circulation pipeline for communicating the evaporator side circulation pipeline and the condenser side circulation pipe is arranged between the evaporator side circulation pipeline and the condenser side circulation pipeline, in addition, the evaporator side circulation pipeline adopts a closed type circulation, and a volume regulation tank used for regulating the volume of the pipeline is arranged on the evaporator side circulation pipeline and/or the condenser side circulation pipeline. The test device mixes hot water of the outlet end of the condenser into the cold water of the outlet end of the evaporator through a water mixing pump arranged in the water mixing circulation pipeline, the cold water at the same flow rate enters the condenser side circulation pipeline of the condenser at the outlet end of the evaporator, and simultaneously, the water mixing pump can regulate the water flow rate at the variable frequency to reach the test requirements, so the goal of balancing the cold generated by a water chiller set is realized, the operation cost of the test device is reduced, and in addition, the debugging speed of the test device is improved.
Description
Technical field
The invention belongs to the handpiece Water Chilling Units technical field of measurement and test, concrete a kind of capacity-variable type handpiece Water Chilling Units proving installation.
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 the flourish of domestic air-conditioning industry thus, 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 then exists defectives such as operating cost height and debug time length, demands urgently improving.
Summary of the invention
The purpose of this invention is to provide a kind of capacity-variable type handpiece Water Chilling Units proving installation, this proving installation can balance the heat that handpiece Water Chilling Units produces when test, thereby has reduced the operating cost of proving installation, and has improved the debugging speed of proving installation.
For achieving the above object, the present invention has adopted following technical scheme: a kind of capacity-variable type handpiece Water Chilling Units proving installation, this proving installation 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 water circulation pipe of converting that is communicated with the two between described vaporizer side circulation line and the described condenser side circulation line; And described vaporizer side circulation line is a closed cycle; Described vaporizer side circulation line and/or condenser side circulation line are provided with the capacity regulating jar that is used for adjustable pipe appearance of a street amount.
This capacity-variable type handpiece Water Chilling Units proving installation can also be able to further realization in the following manner:
Be in series with vaporizer side filtrator, vaporizer side feed pump and vaporizer side flowmeter on the described vaporizer side circulation line between the inlet that is exported to evaporator of flash-pot successively; Be in series with condenser side filtrator, condenser side feed pump and condenser side flowmeter on the described condenser side circulation line between the inlet that is exported to condenser of self cooling condenser successively; Be provided with the valve that opens and closes pipeline on described vaporizer side circulation line and the 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 links to each other with the water inlet end of constant temperature water tank, and the water side of constant temperature water tank links to each other with the inlet of condenser.
The entrance and exit place of described evaporator is provided with the flexible pipe that is connected that links to each other 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 flexible pipe that is connected that links to each other with the condenser side circulation line, and the entrance and exit place of condenser is provided with pressure-detecting device and temperature-detecting device.
The described water circulation pipe of converting comprises and converts water pipe and return pipe, and the described water inlet end of converting water pipe links to each other with the condenser side circulation line, and the water side of converting water pipe links to each other with the vaporizer side circulation line; The water inlet end of described return pipe is arranged on the outlet of evaporator and converts on the vaporizer side circulation line between the water side of water pipe, and the water side of return pipe is arranged on the condenser side circulation line between the inlet of the water inlet end of converting water pipe and condenser; The described water pipe upper edge water (flow) direction of converting is in series with successively and converts water filter and convert water pump, and described converting is provided with the valve that opens and closes pipeline on water pipe and the return pipe.
The described water inlet end of converting water pipe is arranged on the condenser side circulation line between the inlet of the outlet of condenser and condenser side feed pump, and the water side of converting water pipe is arranged on the vaporizer side circulation line between the inlet 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 inlet of the water inlet end of converting water 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 links to each other with the water inlet end of constant temperature water tank, and the water side of constant temperature water tank links to each other with the inlet of condenser.
The pipeline of described constant temperature water tank water side is provided with adding water filter and adding the water water pump of series connection successively, and 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 the condenser side feed pump of described return pipe; Described vaporizer side feed pump, condenser side feed pump, convert water pump, add the water water pump and cooling tower is variable frequency pump.
Be connected in parallel to each other or connect between the described capacity regulating jar that is arranged on vaporizer side circulation line or the condenser side circulation line to constitute capacity regulating jar group, capacity regulating jar group is connected in parallel on vaporizer side circulation line or the condenser side circulation line, and capacity regulating jar group is connected on when pondage in vaporizer side circulation line or the condenser side circulation line.
The present invention compares with prior art has following beneficial effect:
1), relevant criterion according to handpiece Water Chilling Units, the temperature range of the evaporator outlet end in the tested handpiece Water Chilling Units is 5～15 ℃, the temperature range of condensator outlet end is 20～38 ℃, this proving installation utilizes above-mentioned condition exactly, the hot water of condensator outlet end is converted in the cold water of evaporator outlet end by converting water pump, because the vaporizer side circulation line at evaporator place is a closed cycle, so 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, converting water pump simultaneously can variable frequency adjustment discharge, test desired working temperature to reach, thereby realized by converting the purpose that water circulation pipe falls the cold balancing that handpiece Water Chilling Units produced;
2), also can produce heat during the compressor work in the tested handpiece Water Chilling Units, this part heat can't carry out balance by converting water circulation pipe, the present invention is driven into the cold water in the constant temperature water tank in the condenser side circulation line by adding the water water pump, pressure in the condenser side circulation line increases at this moment, the portion of hot hydraulic pressure of condensator outlet end is dispelled the heat to cooling tower, water after the heat radiation flow in the constant temperature water tank by the water side of cooling tower, has finished whole circulations thus; On the described cooling line add the water water pump and cooling tower can carry out variable frequency adjustment, thereby the heat dissipation capacity of control cooling tower satisfies 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 the unloading that adds of compressor according to leaving water temperature, and load if desired increases in a short period of time or reduces, and may produce the operation of handpiece Water Chilling Units to impact; In this capacity-variable type handpiece Water Chilling Units proving installation, then can simulate above-mentioned state preferably, promptly in vaporizer side circulation line and/or condenser side circulation line, be provided with the capacity regulating jar that is used for adjustable pipe appearance of a street amount, when the capacity regulating jar is opened according to actual demand, solution in the capacity regulating jar just is connected in the pipe system, and the interior solution of capacity regulating jar this moment just can be simulated the situation of unexpected increase load; And when the capacity regulating jar is closed, just can simulate the situation of unexpected minimizing load; Can be according to demand between the capacity regulating jar different modes by serial or parallel connection are to satisfy the various demand requirements of unequally loaded;
4), this proving installation energy-saving effect is remarkable, all water pumps and cooling tower all adopt variable frequency control, the needs of different heat radiation loads when satisfying 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 proving installation is less, do not dispose solenoid valve and electric control valve, reduced the failure rate of conditioning equipment, guaranteed the operation that proving installation can be long-term, stable;
6), this proving installation can test that the range spans of handpiece Water Chilling Units is bigger, adjusting function is good, can reach the requirement of steady working condition within a short period of time.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
As shown in Figure 1, the structure of this capacity-variable type handpiece Water Chilling Units proving installation is described as follows:
Cooling tower 1, condenser 2, evaporator 3, pressure-measuring-point 4, temperature point 5, vaporizer side connects flexible pipe 6A, condenser side connects flexible pipe 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, refrigerant side capacity regulating jar 13, butterfly valve 13A, convert water pump 14, convert water pipe 15A, return pipe 15B, cold side capacity regulating jar 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 inlet of vaporizer side feed pump 11 by connecting flexible pipe 6A, the outlet of vaporizer side feed pump 11 is connected to behind the vaporizer side flowmeter 7 again by connecting the inlet that flexible pipe 6A takes back tested handpiece Water Chilling Units evaporator 3, to finish the circulation of evaporation side.
The outlet of the condenser 2 of tested handpiece Water Chilling Units is connected on the inlet of condenser side feed pump 19 by connecting flexible pipe 6B, the outlet of condenser side feed pump 19 is connected to behind the condenser side flowmeter 20 again by connecting the inlet that flexible pipe 6B takes back tested handpiece Water Chilling Units condenser 2, to finish the circulation of condenser side.
The water inlet end that the described water inlet end of converting water pipe 15A is also promptly converted water pump 14 is arranged on the condenser side circulation line 17 between the inlet of the outlet of condenser 2 and condenser side feed pump 19, and the water side that water pump 14 is also promptly converted in the water side of converting water pipe 15A is arranged on the vaporizer side circulation line 8 between the inlet of 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 converts on the vaporizer side circulation line 8 between the water side of water pipe 15A, and the water side of return pipe 15B is arranged on the condenser side circulation line 17 between the inlet of the water inlet end of converting water pipe 15A and condenser side feed pump 19; Describedly finish pipeline after converting water pipe 15A and return pipe 15B being connected and convert water cycle.
Constant temperature water tank 22 is received the inlet 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 the 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, adds water and cooling with what finish condenser side circulation line 17.
As shown in Figure 1, described vaporizer side circulation line 8 is provided with the capacity regulating jar 13 of mutual parallel connection, the quantity of capacity regulating jar 13 can be adjusted according to actual needs, can be for one or more, the quantity of the capacity regulating jar 13 in the present embodiment is two, and also promptly two capacity regulating jars 13 constitute capacity regulating jar group; Certain two capacity regulating jars 13 can also adopt the mode of mutual series connection to constitute capacity regulating jar group.
Capacity regulating jar 13 formation capacity regulating jar groups in parallel mutually among Fig. 1 are connected in parallel on the vaporizer side circulation line 8, capacity regulating jar group that capacity regulating jar 13 also promptly in parallel is mutually constituted and the butterfly valve 13A in the vaporizer side circulation line 8 are connected in parallel, then when not needing to adjust the volume of vaporizer side circulation line 8, butterfly valve 13A is in open mode, and the capacity regulating jar group of two capacity regulating jar 13 formations then is in closed condition; When needs are adjusted the volume of vaporizer side circulation line 8, the capacity regulating jar group of two capacity regulating jar 13 formations then is in opening, thereby this capacity regulating jar group is connected in the vaporizer side circulation line 8, solution in the capacity regulating jar group just just is connected in the pipe system thus, the purpose that the capacity of having realized loads.
Certainly capacity regulating jar 13 in parallel mutually is when adjusting the volume of vaporizer side circulation line 8, also can make one of them capacity regulating jar 13 be in closed condition, and another capacity regulating jar 13 is in opening, then helps the volume of vaporizer side circulation line 8 is finely tuned.
Equally, as shown in Figure 1, described condenser side circulation line 17 is provided with two capacity regulating jars 16 in parallel mutually, the capacity regulating jar group that two capacity regulating jars 16 are formed is in parallel mutually with condenser side circulation line 17, the capacity regulating jar group that two capacity regulating jars 16 are formed is connected in parallel on the condenser side circulation line, and capacity regulating jar group is connected in the condenser side circulation line when pondage.
Claims (9)
1. capacity-variable type handpiece Water Chilling Units proving installation, it is characterized in that: this proving installation 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 water circulation pipe of converting that is communicated with the two between described vaporizer side circulation line and the condenser side circulation line, and described vaporizer side circulation line is a closed cycle; Described vaporizer side circulation line and/or condenser side circulation line are provided with the capacity regulating jar that is used for adjustable pipe appearance of a street amount.
2. capacity-variable type handpiece Water Chilling Units proving installation according to claim 1 is characterized in that: be in series with vaporizer side filtrator (12), vaporizer side feed pump (11) and vaporizer side flowmeter (7) on the described vaporizer side circulation line between the inlet that is exported to evaporator (3) of flash-pot (3) successively; Be in series with condenser side filtrator (18), condenser side feed pump (19) and condenser side flowmeter (20) on the described condenser side circulation line between the inlet that is exported to condenser (2) of self cooling condenser (2) successively; Be provided with the valve that opens and closes pipeline on described vaporizer side circulation line and the condenser side circulation line.
3. capacity-variable type handpiece Water Chilling Units proving installation 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) links to each other with the water inlet end of constant temperature water tank (22), and the water side of constant temperature water tank (22) links to each other with the inlet of condenser (2).
4. capacity-variable type handpiece Water Chilling Units proving installation according to claim 2, it is characterized in that: the entrance and exit place of described evaporator (3) is provided with the flexible pipe that is connected that links to each other 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 flexible pipe that is connected that links to each other 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. capacity-variable type handpiece Water Chilling Units proving installation according to claim 2, it is characterized in that: the described water circulation pipe of converting comprises and converts water pipe (15A) and return pipe (15B), the described water inlet end of converting water pipe (15A) links to each other with the condenser side circulation line, and the water side of converting water pipe (15A) links to each other with the vaporizer side circulation line; The water inlet end of described return pipe (15B) is arranged on the outlet of evaporator (3) and converts on the vaporizer side circulation line between the water side of water pipe (15A), and the water side of return pipe (15B) is arranged on the condenser side circulation line between the inlet of the water inlet end of converting water pipe (15A) and condenser (2); Described water pipe (15A) the upper edge water (flow) direction of converting is in series with successively and converts water filter and convert water pump (14), and the described valve that is provided with the keying pipeline on water pipe (15A) and the return pipe (15B) of converting.
6. capacity-variable type handpiece Water Chilling Units proving installation according to claim 5, it is characterized in that: the described water inlet end of converting water pipe (15A) is arranged on the condenser side circulation line between the inlet of the outlet of condenser (2) and condenser side feed pump (19), and the water side of converting water pipe (15A) is arranged on the vaporizer side circulation line between the inlet 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 inlet of the water inlet end of converting water pipe (15A) and condenser side feed pump (19).
7. capacity-variable type handpiece Water Chilling Units proving installation 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) links to each other with the water inlet end of constant temperature water tank (22), and the water side of constant temperature water tank (22) links to each other with the inlet of condenser (2).
8. capacity-variable type handpiece Water Chilling Units proving installation according to claim 7, it is characterized in that: the pipeline of described constant temperature water tank (22) water side is provided with adding water filter (23) and adding water water pump (21) of series connection successively, and 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 the condenser side feed pump (19) of described return pipe (15B); Described vaporizer side feed pump (11), condenser side feed pump (19), convert water pump (14), add water water pump (21) and cooling tower (1) is variable frequency pump.
9. capacity-variable type handpiece Water Chilling Units proving installation according to claim 1, it is characterized in that: be connected in parallel to each other or connect between the described capacity regulating jar that is arranged on vaporizer side circulation line or the condenser side circulation line to constitute capacity regulating jar group, capacity regulating jar group is connected in parallel on vaporizer side circulation line or the condenser side circulation line, and capacity regulating jar group is connected on when pondage in vaporizer side circulation line or the condenser side circulation line.
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| Application Number | Priority Date | Filing Date | Title |
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| 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 | Priority Date | Filing Date | Title |
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| CN 201110112701 CN102288421B (en) | 2011-05-03 | 2011-05-03 | Variable-volume water chiller set test device |
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| CN201310422148.XA Division CN103487269B (en) | 2011-05-03 | 2011-05-03 | A kind of capacity-variable type cold water unit test system |
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| CN102288421B CN102288421B (en) | 2013-09-25 |
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| CN201310422148.XA Active CN103487269B (en) | 2011-05-03 | 2011-05-03 | A kind of capacity-variable type cold water unit test system |
| CN 201110112701 Active CN102288421B (en) | 2011-05-03 | 2011-05-03 | Variable-volume water chiller set test device |
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| 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 |
| CN103808524A (en) * | 2014-02-20 | 2014-05-21 | 南京师范大学 | Water-water/water-glycol type water source heat pump assembly performance testing device |
| 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 |
| CN108240916A (en) * | 2017-12-28 | 2018-07-03 | 合肥通用机械研究院 | A kind of first-class absorption type heat pump unit test device |
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| CN102607871A (en) * | 2012-02-21 | 2012-07-25 | 合肥通用机械研究院 | Test device of cold water unit suitable for low temperature refrigerating medium |
| 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 |
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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 |
| 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 |
| CN108240916A (en) * | 2017-12-28 | 2018-07-03 | 合肥通用机械研究院 | A kind of first-class absorption type heat pump unit test device |
| 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 |
| US10948211B2 (en) | 2018-05-11 | 2021-03-16 | Carrier Corporation | Water circulation system for air conditioning system and control method thereof |
| 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 |
| 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 |
| US11543148B2 (en) | 2019-04-08 | 2023-01-03 | Carrier Corporation | Air conditioning system and control method therof |
| CN110333093A (en) * | 2019-07-19 | 2019-10-15 | 东莞市泰丰空调制冷设备有限公司 | A kind of water cooler test platform |
| CN111059680A (en) * | 2019-11-12 | 2020-04-24 | 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 |
| CN111413117A (en) * | 2020-03-12 | 2020-07-14 | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102288421B (en) | 2013-09-25 |
| CN103487269A (en) | 2014-01-01 |
| CN103487269B (en) | 2016-04-06 |
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