CN106568608A - Energy-saving system for detection process of air conditioner - Google Patents

Energy-saving system for detection process of air conditioner Download PDF

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Publication number
CN106568608A
CN106568608A CN201610976294.0A CN201610976294A CN106568608A CN 106568608 A CN106568608 A CN 106568608A CN 201610976294 A CN201610976294 A CN 201610976294A CN 106568608 A CN106568608 A CN 106568608A
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CN
China
Prior art keywords
heat exchanger
type heat
water
air
plate type
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610976294.0A
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Chinese (zh)
Inventor
徐倩
李敏
李朝振
姜敬德
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ELECTROMECHANICAL PRODUCTS DETECTING TECHNOLOGY CENTER OF SHANGHAI ENTRY-EXIT INSPECTION AND QUARANTINE BUREAU
Original Assignee
ELECTROMECHANICAL PRODUCTS DETECTING TECHNOLOGY CENTER OF SHANGHAI ENTRY-EXIT INSPECTION AND QUARANTINE BUREAU
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Publication date
Application filed by ELECTROMECHANICAL PRODUCTS DETECTING TECHNOLOGY CENTER OF SHANGHAI ENTRY-EXIT INSPECTION AND QUARANTINE BUREAU filed Critical ELECTROMECHANICAL PRODUCTS DETECTING TECHNOLOGY CENTER OF SHANGHAI ENTRY-EXIT INSPECTION AND QUARANTINE BUREAU
Priority to CN201610976294.0A priority Critical patent/CN106568608A/en
Publication of CN106568608A publication Critical patent/CN106568608A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M99/00Subject matter not provided for in other groups of this subclass
    • G01M99/005Testing of complete machines, e.g. washing-machines or mobile phones
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00Control of temperature
    • G05D23/19Control of temperature characterised by the use of electric means
    • G05D23/1919Control of temperature characterised by the use of electric means characterised by the type of controller

Abstract

The invention relates to an energy-saving system for the detection process of an air conditioner. The system is used to keep the temperature of a test room in the indoor side stable when an indoor set of the tested air conditioner is used for registration. The system comprises a surface-type heat exchanger, a plate-type heat exchanger and a cooling tower which are connected successively, the surface-type heat exchanger is mounted on the indoor set of the tested air conditioner, the surface-type heat exchanger, the plate-type heat exchanger and the cooling tower form a heat exchange loop of water circulation, outlet air of the indoor set of the tested air conditioner exchanges heat with circulating water in the surface-type heat exchanger, the surface-type heat exchanger outputs cold water to the plate-type heat exchanger, the plate-type heat exchanger outputs hot water to the cooling tower after heat exchange, the cooling tower takes away heat from the hot water output by the plate-type heat exchanger, cold water is then output to the plate-type heat exchanger, the plate-type heat exchanger carries out heat exchange and then outputs hot water to the surface type heat exchanger, cold air blown out when the indoor set of the tested air conditioner carries out registration is heated, and the temperature of the test room in the indoor side is kept stable. Compared with the prior art, the energy-saving system has the advantages of being simple in structure, saving electric energy and the like.

Description

A kind of energy conserving system for detection of air-conditioning process
Technical field
The invention belongs to detection of air-conditioning field, more particularly, to a kind of energy conserving system for detection of air-conditioning process.
Background technology
With expanding economy and the progressively improvement of people's lives, air-conditioner has rapidly entered ordinary people family, with Our life is more and more inseparable.China is even more air-conditioner production and consumption big country, and the yield of 2015 is 80,000,000, The half of close worldwide production total amount.Therefore, it is both that opportunity is challenged again for detection of air-conditioning mechanism, power-saving technology is wide General utilization economic society various aspects, become the main flow of new technique revolution.All trades and professions are all using newest technology, energy-conservation Reduce discharging, be to create friendly environment society to make the effort of oneself.Refrigeration product detection testing equipment device installed capacity is big, and Test period is long, because using traditional low-temperature receiver and thermal source, come blance test operating mode, then process of the test will consume substantial amounts of electric energy. When freezing, in order to the environment on the inside of equalization chamber needs substantial amounts of heat, such as these heats or cold to be provided by electrical heating and be Substantial amounts of electric energy must be consumed.Therefore, it is badly in need of a kind of device that can save electricity.
The content of the invention
The purpose of the present invention is exactly the defect in order to overcome above-mentioned prior art to exist and provides a kind of for detection of air-conditioning The energy conserving system of process.
The purpose of the present invention can be achieved through the following technical solutions:A kind of energy-conservation system for detection of air-conditioning process System, when freezing for tested indoor apparatus of air conditioner, keeps the temperature stabilization between indoor side test, the system to exchange heat including surface-type Device, plate type heat exchanger and cooling tower, the surface-type heat exchanger is arranged on tested indoor apparatus of air conditioner, the surface-type heat exchange Device, plate type heat exchanger and cooling tower are in turn connected to form water circulation heat exchange loop by pipeline,
The air-out of tested indoor apparatus of air conditioner and its internal recirculated water are carried out heat exchange by the surface-type heat exchanger, and Output cold water after being exchanged heat by plate type heat exchanger, exports hot water to cooling tower, by cooling tower to plate type heat exchanger to plate type heat exchanger After the hot water of output is radiated, output cold water to plate type heat exchanger, Jing after plate type heat exchanger heat exchange, output hot water is to surface-type Heat exchanger, the cold air heating blown out when freezing to tested indoor apparatus of air conditioner maintains the temperature stabilization between indoor side test.
The surface-type heat exchanger includes at least two outlets, and each described outlet is respectively by being provided with regulating valve Pipeline is connected to a manifold trunk, and the delivery outlet of the manifold trunk is connected with the first water inlet of the plate type heat exchanger, the plate First outlet of formula heat exchanger is connected by a regulating valve with the water inlet of the cooling tower, and surface-type heat exchanger arranges multiple Outlet, each outlet is connected to manifold trunk each via the pipeline for being provided with regulating valve, will current be divided into after multichannel and collecting, So, the finer regulation flow of each regulating valve and pressure can be passed through.
The manifold trunk is provided with automatic blow off valve valve air relief, when the multiple outlets from surface-type heat exchanger discharge higher temperature During water, once fully enter manifold trunk, can cause to produce larger steam pressure in manifold trunk, by this automatic blow off valve valve air relief energy and When discharge steam pressure, it is ensured that system stability reliability.
The outlet of the cooling tower connects the second water inlet of the plate type heat exchanger by a regulating valve and/or electromagnetic valve Mouthful, the second outlet of the plate type heat exchanger is distributed in current after at least two-way respectively by being provided with tune by a distribution pipe The pipeline of section valve is connected with each water inlet of the surface-type heat exchanger, and multiple water inlets are arranged on surface-type heat exchanger, will The moisture flowed out from the second outlet of plate type heat exchanger is made into multichannel to be delivered to surface-type and changes by the pipeline with regulating valve respectively Each water inlet of hot device, equally, by the finer regulation flow of each regulating valve and pressure.
Buffering water pot and heat exchange water pump are additionally provided with pipeline between the plate type heat exchanger and the distribution pipe, it is described slow Bath tank input be connected with the second outlet of the plate type heat exchanger, it is described exchange heat water pump outfan and the distribution Pipe connects.When hydraulic pressure has fluctuation in system, by expansion tank and buffered water tank, can, the stable water pressure of system is can guarantee that, change Heat-exchanger pump will not frequently be opened because of the change of pressure.
The system also includes the flow control apparatus for water being connected with the heat exchange water pump, the flow control apparatus for water real-time detection The leaving air temp of the tested indoor apparatus of air conditioner, and the flow of the heat exchange water pump is adjusted according to the leaving air temp for detecting.It is logical The flow of inlet water that flow control apparatus for water realizes real-time regulation surface-type heat exchanger is crossed, temperature deviation is eliminated in time.
The flow control apparatus for water includes that the temperature sensor being sequentially connected, temperature transmitter, parameter self-tuning PID are adjusted Device and converter, the temperature sensor is used to detect the leaving air temp of tested indoor apparatus of air conditioner that the temperature transmitter to state temperature Into digital quantity, the parameter self-tuning PID regulator is used to adjust the defeated of the converter temperature transition of degree sensor detection Go out frequency, the converter is connected with the heat exchange water pump, for adjusting the current into surface-type heat exchanger.
Compared with prior art, installation surface formula heat exchanger on the tested air conditioner of side indoors of the invention, by air conditioning chamber Interior machine air-out carries out heat exchange by surface-type heat exchanger and cooling tower, and unnecessary heat can be excluded by cooling tower, greatly The heating amount that the earth reduces multi-connected machine indoor room needed for balance environment, compared to directly being saved using electrical heating 30% electricity.
Description of the drawings
Fig. 1 is the structural representation of the present invention;
It is designated in figure:1st, exchange heat water pump, and 2, surface-type heat exchanger, 31, distribution pipe, 32, manifold trunk, 4, automatic deflation Valve, 5, plate type heat exchanger, 6, buffering water pot, 7, expansion tank, 8, electromagnetic valve, 9, temperature sensor, 10, temperature transmitter, 11, Parameter self-tuning PID regulator, 12, converter, 13, cooling tower.
Specific embodiment
Embodiments of the invention are elaborated below, the present embodiment is carried out under premised on technical solution of the present invention Implement, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following enforcements Example.
Cold water of the present invention, hot water do not refer to cold water and hot water in absolute sense, simply comparatively, cold water ratio The temperature of hot water is low.
As shown in figure 1, the energy conserving system for detection of air-conditioning process provided in an embodiment of the present invention, for tested air conditioning chamber During interior mechanism cold, the temperature stabilization between indoor side test is kept, it is surface-type heat exchanger 2 that the system includes being sequentially connected, board-like Heat exchanger 5 and cooling tower 13, surface-type heat exchanger 2 is arranged on tested indoor apparatus of air conditioner, surface-type heat exchanger 2, plate-type heat-exchange Device 5 and cooling tower 13 constitute water circulation heat exchange loop (flow direction of water in the arrow expression system in Fig. 1), surface-type heat exchanger 2 The air-out of tested indoor apparatus of air conditioner and its internal recirculated water are carried out into heat exchange, and exports cold water to plate type heat exchanger 5, by After plate type heat exchanger 5 exchanges heat, output hot water is dissipated by cooling tower 13 to cooling tower 13 to the hot water that plate type heat exchanger 5 is exported After heat, output cold water to plate type heat exchanger 5 Jing after plate type heat exchanger 5 exchanges heat, exports hot water to surface-type heat exchanger 2, to tested The cold air heating that indoor apparatus of air conditioner blows out when freezing, maintains the temperature stabilization between indoor side test.
Specifically, the outlet of surface-type heat exchanger 2 is connected with the first water inlet of plate type heat exchanger 5, plate type heat exchanger 5 The first outlet be connected with the water inlet of cooling tower 13, the outlet connecting plate type heat exchanger 5 of cooling tower 13 second water inlet Mouthful, the water inlet of the facial heat exchanger 2 of the second outlet connection table of plate type heat exchanger 5, above-mentioned each have the entering of annexation, Connected by the pipeline with regulating valve between outlet, by flow and pressure on manually adjustable each pipeline of regulating valve Power.The regulating valve arranged in the system is manual modulation valve, plays auxiliary adjustment effect, the regulating valve in Fig. 1 in some pipelines Do not show that.Particularly, electromagnetic valve 8 is additionally provided with the pipeline between the outlet of plate type heat exchanger 5 and cooling tower 13, and by Control (not shown).
Used as a kind of embodiment, the outlet and water inlet of surface-type heat exchanger 2 are equipped with least two and (two are arranged in figure It is individual), all outlets are connected to a manifold trunk 32 by the pipeline with regulating valve respectively, from the water of the output of surface-type heat exchanger 2 The first water inlet of plate type heat exchanger 5 is entered after converging into all the way, similar, the second outlet of plate type heat exchanger 5 passes through one Moisture into after multichannel, then is connected to the outlet of surface-type heat exchanger 2, this enforcement by distribution pipe 31 by the pipeline with regulating valve The moisture for flowing into and out plate type heat exchanger 5 is made into multichannel by example, and per the flow and pressure of water all the way regulating valve handss can be passed through It is dynamic to adjust, so, the flow and pressure of the regulation turnover recirculated water of surface-type heat exchanger 2 that can more become more meticulous, so as to protect The temperature of tested indoor apparatus of air conditioner air-out can be more nearly required temperature after card heat exchange.
When discharging the water of higher temperature in view of the multiple outlets from surface-type heat exchanger 2, once fully enter and collect Pipe 32, can cause to produce larger steam pressure in manifold trunk 32, be that this arranges automatic blow off valve valve air relief 4 on manifold trunk 32, pass through This automatic blow off valve valve air relief 4 can in time discharge steam pressure, it is ensured that system stability reliability.
As a kind of embodiment, buffering water pot 6 and heat exchange are additionally provided with the pipeline between plate type heat exchanger 5 and distribution pipe 31 Water pump 1, the input for buffering water pot 6 is connected with the second outlet of plate type heat exchanger 5, outfan and the distribution of the water pump 1 that exchanges heat Pipe 31 connects.When hydraulic pressure has fluctuation in system, by expansion tank 7 and buffered water tank 6, the stable water pressure of system is can guarantee that, Heat exchange water pump 1 will not frequently be opened because of the change of pressure.
Used as a kind of embodiment, the system also includes the flow control apparatus for water being connected with heat exchange water pump 1, flow control apparatus for water The leaving air temp of the tested indoor apparatus of air conditioner of real-time detection, and the flow of heat exchange water pump 1 is adjusted according to the leaving air temp for detecting.It is logical Cross flow control apparatus for water to realize real-time tracking leaving air temp and adjust the flow of inlet water of surface-type heat exchanger 2 accordingly, it is to avoid current The excessive or too small operating condition of test not reached between indoor side test.
Further, flow control apparatus for water includes temperature sensor 9, temperature transmitter, the parameter self-tuning being sequentially connected PID regulator 11 and converter 12, temperature sensor 9 is used to detect the leaving air temp of tested indoor apparatus of air conditioner, temperature transmitter 10 state the temperature transition of the detection of temperature sensor 9 into digital quantity, and parameter self-tuning PID regulator 11 is used to adjust converter 12 Output frequency, converter 12 is connected with heat exchange water pump 1, for adjusting the flow of heat exchange water pump 1.The parameter that the present invention is adopted is from whole Determine PID regulator 11, pid regulator parameters need not be artificially taken a significant amount of time in advance, and in system operation, according to The leaving air temp of the real-time detection of temperature sensor 9, adjusts the output frequency of converter 12, and then adjusts surface-type heat exchanger 2 Flow of inlet water, when the set environment temperature difference between the leaving air temp and indoor side test of tested indoor apparatus of air conditioner is larger, plus Big flow of inlet water, with the more heats of supplement, conversely, then anti-, so one feedback regulation of formation, timely and effectively overcomes temperature Degree deviation.
The workflow of the system is as follows:When tested indoor apparatus of air conditioner refrigerating operaton, its leaving air temp is typically in 11-15 DEG C, constantly cold is provided to indoor room, in order to maintain stablizing for temperature between indoor side test to be accomplished by equivalent to tested sky The heat for adjusting indoor set refrigerating capacity size is supplemented, after the air-out of tested indoor apparatus of air conditioner is exchanged heat by surface exchanger, table Facial heat exchanger 2 exports the first water inlet of cold water to plate type heat exchanger 5, after being exchanged heat by plate type heat exchanger 5, discharges hot water to cold But tower 13, after by cooling tower 13 heat is discharged, export cold water to plate type heat exchanger 5, heat outputting after being exchanged heat by plate type heat exchanger 5 Water is consequently formed a water circulation heat exchange system to surface-type heat exchanger 2, by the cold air heating of the blowout of tested indoor apparatus of air conditioner It is extremely temperature required, it is ensured that temperature stablizes between indoor side test;In running, by flow control apparatus for water real-time control surface The flow of inlet water of formula heat exchanger 2, to overcome temperature deviation, in addition, can also be aided in by a series of regulating valves on pipeline Adjust
To sum up, the present invention is led to indoor apparatus of air conditioner air-out by the installation surface formula heat exchanger 2 on tested indoor apparatus of air conditioner Cross surface-type heat exchanger 2 carries out heat exchange with cooling tower 13, and unnecessary heat can be excluded by cooling tower 13, the portion of needs Point cold also can be provided by cooling tower 13, the heating amount that greatly reduces multi-connected machine indoor room needed for balance environment or Cold, indoors the air measure case installation surface formula heat exchanger 2 in side room can save 30% electricity, play energy-saving and emission-reduction Purpose.

Claims (7)

1. a kind of energy conserving system for detection of air-conditioning process, when freezing for tested indoor apparatus of air conditioner, keeps indoor side test Between temperature stabilization, it is characterised in that the system include surface-type heat exchanger, plate type heat exchanger and cooling tower, the surface-type Heat exchanger is arranged on tested indoor apparatus of air conditioner, and the surface-type heat exchanger, plate type heat exchanger and cooling tower pass through pipeline successively Connection forms water circulation heat exchange loop,
The air-out of tested indoor apparatus of air conditioner and its internal recirculated water are carried out heat exchange by the surface-type heat exchanger, and are exported To plate type heat exchanger, after being exchanged heat by plate type heat exchanger, output hot water to cooling tower is exported cold water by cooling tower to plate type heat exchanger Hot water radiated after, to plate type heat exchanger, Jing after plate type heat exchanger heat exchange, output hot water to surface-type exchanges heat output cold water Device, the cold air heating blown out when freezing to tested indoor apparatus of air conditioner maintains the temperature stabilization between indoor side test.
2. a kind of energy conserving system for detection of air-conditioning process according to claim 1, it is characterised in that the surface-type Heat exchanger includes at least two outlets, and each described outlet is collected by being provided with the pipeline of regulating valve and be connected to one respectively Pipe, the delivery outlet of the manifold trunk is connected with the first water inlet of the plate type heat exchanger, and the first of the plate type heat exchanger goes out The mouth of a river is connected by a regulating valve with the water inlet of the cooling tower.
3. a kind of energy conserving system for detection of air-conditioning process according to claim 2, it is characterised in that the manifold trunk Be provided with automatic blow off valve valve air relief, for discharging manifold trunk in steam.
4. a kind of energy conserving system for detection of air-conditioning process according to claim 1, it is characterised in that the cooling tower Outlet connect the second water inlet of the plate type heat exchanger, the plate type heat exchanger by a regulating valve and/or electromagnetic valve The second outlet by a distribution pipe current are distributed into after at least two-way respectively by be provided with the pipeline of regulating valve with it is described Each water inlet connection of surface-type heat exchanger.
5. a kind of energy conserving system for detection of air-conditioning process according to claim 4, it is characterised in that described board-like to change Buffering water pot and heat exchange water pump, the input of the buffering water pot and institute are additionally provided with pipeline between hot device and the distribution pipe The second outlet connection of plate type heat exchanger is stated, the outfan of the heat exchange water pump is connected with the distribution pipe.
6. a kind of energy conserving system for detection of air-conditioning process according to claim 5, it is characterised in that the system is also wrapped Include the flow control apparatus for water being connected with the heat exchange water pump, tested indoor apparatus of air conditioner described in the flow control apparatus for water real-time detection Leaving air temp, and the flow of the heat exchange water pump is adjusted according to the leaving air temp that detects.
7. a kind of energy conserving system for detection of air-conditioning process according to claim 6, it is characterised in that the current control Device processed includes temperature sensor, temperature transmitter, parameter self-tuning PID regulator and the converter being sequentially connected, the temperature Degree sensor is used to detect the leaving air temp of tested indoor apparatus of air conditioner that the temperature transmitter to state the temperature of temperature sensor detection Be converted into digital quantity, the parameter self-tuning PID regulator is used to adjusting the output frequency of the converter, the converter with The heat exchange water pump connection.
CN201610976294.0A 2016-11-07 2016-11-07 Energy-saving system for detection process of air conditioner Pending CN106568608A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107247406A (en) * 2017-04-28 2017-10-13 特灵空调系统(中国)有限公司 The control method and system of testboard position
CN115451609A (en) * 2022-09-14 2022-12-09 合肥通用机械研究院有限公司 Condensation heat recovery system and method during refrigeration evaluation of water chilling unit

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CN104596788A (en) * 2015-01-30 2015-05-06 上海电气凯士比核电泵阀有限公司 Testing device used for testing performance of high-pressure cooler
CN104777855A (en) * 2015-03-23 2015-07-15 上海理工大学 On-line detection system of water chilling unit and control method thereof
CN206132413U (en) * 2016-11-07 2017-04-26 上海出入境检验检疫局机电产品检测技术中心 A economizer system for air - conditioner test process

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CN101220986A (en) * 2007-01-09 2008-07-16 葛建民 Cooling capacity recovering method of air source heat pump hot water units
US8635881B2 (en) * 2009-11-02 2014-01-28 Exaflop Llc Data center with low power usage effectiveness
CN201811856U (en) * 2010-10-13 2011-04-27 上海海普环境设备有限公司 Performance test device of air conditioner
CN202631284U (en) * 2012-06-11 2012-12-26 珠海格力电器股份有限公司 Air-conditioning system testing device
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107247406A (en) * 2017-04-28 2017-10-13 特灵空调系统(中国)有限公司 The control method and system of testboard position
CN115451609A (en) * 2022-09-14 2022-12-09 合肥通用机械研究院有限公司 Condensation heat recovery system and method during refrigeration evaluation of water chilling unit
CN115451609B (en) * 2022-09-14 2023-09-22 合肥通用机械研究院有限公司 Condensation heat recovery system and recovery method for refrigeration evaluation of water chilling unit

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