CN201637595U - Performance testing device of heat exchanger - Google Patents
Performance testing device of heat exchanger Download PDFInfo
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- CN201637595U CN201637595U CN 201020162099 CN201020162099U CN201637595U CN 201637595 U CN201637595 U CN 201637595U CN 201020162099 CN201020162099 CN 201020162099 CN 201020162099 U CN201020162099 U CN 201020162099U CN 201637595 U CN201637595 U CN 201637595U
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- coil pipe
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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Abstract
The utility model discloses a performance testing device of a heat exchanger, which comprises a liquid circulating device, an air circulating device, and a heat pump heat recovery device connected with the liquid circulating device and the air circulating device; the liquid circulating device, the air circulating device and the heat pump heat recovery device are respectively connected with the to-be-tested device in serial. Through arranging the heat pump heat recovery device, most heat dissipated into cooling medium can be continuously recovered based on that the precision of the testing device can be ensured, the problem that the heat is transmitted from low temperature to high temperature is solved, the energy is recycled, and energy waste is avoided; the recovered heat can be used for heating medium, thereby greatly reducing energy consumption of the testing device and reducing running cost of the device as well as meeting requirements on energy saving.
Description
Technical field
The utility model relates to a kind of proving installation, is specifically related to a kind of heat exchanger performance proving installation.
Background technology
Test request for heat interchanger producers such as the radiator of water tank that satisfies all kinds of motor vehicles comprise automobile and heaters need carry out the test of heat performance to this type of heat interchanger.
Heat exchanger performance testing apparatus at present commonly used comprises respectively and liquid recycle unit, the circulation device for air of devices in series to be tested that liquid after the liquid recycle unit will heat is imported equipment heat interchanger to be tested, and circulation device for air is with the air input heat exchanger; Liquid-to-air after the heating carries out heat interchange in heat interchanger.
As shown in Figure 1, the liquid recycle unit comprises water tank 8, electric heater 3, water pump 4, variable valve 5, the flowmeter 6 that is connected on same loop, and equipment 7 to be tested also is connected in this loop; Water in the water tank 8 or ethylene glycol solutions flow into equipment 7 to be tested through electric heaters 3 under the effect of water pump 4, equipment 7 to be tested in, carry out heat interchange with air after, water or the final reflow tank 8 of ethylene glycol solution that temperature reduces are finished liquid and are circulated.Electric heater 3 is used for liquid is heated, and variable valve 5 is used to regulate the fluid flow of equipment 7 to be tested of flowing through, and 6 in flowmeter is used to show flow.
Circulation device for air comprises blower fan 1, wind-tunnel 2, and blower fan 1, wind-tunnel 2 are connected with equipment 7 to be tested.Blower fan 1 and wind-tunnel 2 are imported equipment 7 to be tested with new wind, and the air after the temperature rising is discharged from equipment 7 to be tested.
Wind-tunnel 2 can be suction-type wind-tunnel or blowing-type wind-tunnel, and when wind-tunnel 2 is suction-type wind-tunnel, equipment 7 to be tested is arranged at the upstream of wind-tunnel 2; When wind-tunnel 2 is blowing-type wind-tunnel, equipment 7 to be tested is arranged at the downstream of wind-tunnel 2, as shown in Figure 2.
According to relevant criterion (as JIS D 1614, QC/T634-2000) regulation, the temperature gap of heat exchanger entrance hot fluid and intake air about 60 ℃ or inlet water temperature about about 85 ℃.In test process, electric heater 3 needs to continue heating medium (being water or ethylene glycol solution) is heated, and is lost to airborne heat to remedy heating medium, thereby guarantees that probe temperature reaches the requirement of standard code.
Because in test process, electric heater 3 needs continuous consumed energy, therefore existing heat exchanger performance testing apparatus energy consumption is higher; And this part heat that air absorbed becomes used heat, also is not utilized effectively.
The utility model content
Technical problem to be solved in the utility model provides a kind of heat exchanger performance proving installation, and it can reduce the energy consumption in the test process.
For solving the problems of the technologies described above, the technical solution of the utility model heat exchanger performance proving installation is:
Comprise respectively liquid recycle unit, circulation device for air with devices in series to be tested, and the heat pump heat recovery equipment that is connected with liquid recycle unit, circulation device for air.
Described liquid recycle unit comprises water tank, well heater, the water pump that is connected on same loop; Described heat pump heat recovery equipment comprises heat pump compressor group, heat absorption coil pipe, the heat release coil pipe that is connected on same loop, and the heat absorption coil pipe is arranged at the exhaust outlet of described circulation device for air; The heat release coil pipe be arranged in the water tank or liquid circulation loop in.
The separate unit source pump that described heat pump compressor group is a crystallized ability; Or many source pump combinations of crystallized ability; Or rotating speed, capacity or the ability separate unit source pump that can continuously change; Or the combination of the heat pump of the heat pump of continuous variable ability and crystallized ability.
Described well heater is adjustable well heater.
Described circulation device for air comprises blower fan, wind-tunnel, and wind-tunnel is suction-type wind-tunnel or blowing-type wind-tunnel.
The technique effect that the utility model can reach is:
The utility model heats liquid by the heat pump heat recovery equipment, because the heating capacity of heat pump is much larger than its power input, so compare with the mode of conventional electric heating direct heating, the utility model can cut down the consumption of energy greatly.
The utility model can continue to reclaim the most of heat that is lost in the heat eliminating medium on the basis of the precision that guarantees testing apparatus, solve the problem that heat is transmitted to high temperature by low temperature, and it is recycling that energy is obtained, and stops energy dissipation; Simultaneously the heat that reclaims is used for heating medium, thereby has greatly reduced the energy consumption of testing apparatus, reduced the operating cost of equipment, satisfy requirements of saving energy.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
Fig. 1 is the structural representation of prior art air draught type heat exchanger performance proving installation;
Fig. 2 is the structural representation of prior art bleed type heat exchanger performance proving installation;
Fig. 3 is the structural representation of the utility model heat exchanger performance proving installation;
Fig. 4 is the structural representation of another embodiment of the utility model.
Description of reference numerals among the figure:
1 is blower fan, and 2 is wind-tunnel,
3 is well heater, and 4 is water pump,
5 is variable valve, and 6 is flowmeter,
7 is equipment to be tested, and 8 is water tank,
9 is the heat pump compressor group, and 10 are the heat absorption coil pipe,
11 is restriction device, and 12 are the heat release coil pipe.
Embodiment
As shown in Figure 3, the utility model heat exchanger performance proving installation comprises respectively liquid recycle unit, circulation device for air with devices in series to be tested, and the heat pump heat recovery equipment that is connected with liquid recycle unit, circulation device for air;
The liquid recycle unit comprises water tank 8, well heater 3, water pump 4, variable valve 5, the flowmeter 6 that is connected on same loop, and equipment 7 to be tested also is connected in this loop; Circulation device for air comprises blower fan 1, wind-tunnel 2, and blower fan 1, wind-tunnel 2 are connected with equipment 7 to be tested;
The heat pump heat recovery equipment comprises heat pump compressor group 9, restriction device 11, heat absorption coil pipe 10, the heat release coil pipe 12 that is connected on same loop, heat absorption coil pipe 10 is arranged at the exhaust outlet of circulation device for air, be positioned at the downstream of equipment 7 to be tested, be used to absorb the heat of exhaust outlet place air; Heat release coil pipe 12 is arranged in the water tank 8, is used for the liquid in the heating water tank 8; Heat release coil pipe 12 also can be arranged in the liquid circulation loop, is used for the liquid medium of heating liquid closed circuit.
Walk the cold-producing medium of low temperature low pressure in the heat absorption coil pipe 10, heat absorption coil pipe 10 is the evaporator of heat pump, heat absorption coil pipe 10 is all kinds of heat interchanger of gas-liquid heat exchange formula, carries out the heat exchange between air and the cold-producing medium, and the cold-producing medium in the heat absorption coil pipe 10 absorbs airborne heat.Heat absorption coil pipe 10 can be a copper tube and fin formula heat interchanger.
Walk the cold-producing medium of high temperature high pressure in the heat release coil pipe 12, heat release coil pipe 12 is the condenser of heat pump, and heat release coil pipe 12 is all kinds of heat interchanger of liquid liquid heat exchange, carries out the heat exchange between liquid and the cold-producing medium, the cold-producing medium release heat in liquid in the heat release coil pipe 12.Heat release coil pipe 12 can be screw thread copper pipe formula heat interchanger or plate type heat exchanger.
Well heater 3 can be all kinds of adjustable well heaters that satisfy control accuracy that comprise electric heater.
Specifically, what time following the acting body of well heater 3 is now:
1, remedies the difference of hierarchical loading and heat-sink capabilities;
2, as the heating capacity deficiency of heat pump, or the ability of heat interchanger is too small, and adopt well heater to carry out auxiliary heating this moment, to guarantee the stability of fluid temperature control;
3, be used for when the continuously adjustable but control accuracy of heat pump ability is not high, being used for guaranteeing the temperature controlled stability of water side;
4, when pre-heating temperature elevation stage equipment 7 to be tested and circulation device for air are not worked, make the liquid temperature-rise period.
Therefore, well heater 3 can solve all deficiencies of heat recovery system, guarantees that the function of proving installation is unaffected.
Wind-tunnel 2 can be suction-type wind-tunnel or blowing-type wind-tunnel, and when wind-tunnel 2 is suction-type wind-tunnel, equipment 7 to be tested is arranged at the upstream of wind-tunnel 2; When wind-tunnel 2 is blowing-type wind-tunnel, equipment 7 to be tested is arranged at the downstream of wind-tunnel 2, as shown in Figure 4.
Heat pump compressor group 9 is used for heat recovery, and heat pump compressor group 9 can be the separate unit source pump of crystallized ability; Also can be many source pump combinations of crystallized ability, according to the different heat pump platform numbers that heat is opened needs that adds; Or rotating speed, capacity or the ability separate unit source pump that can continuously change; Or the combination of the heat pump of the heat pump of continuous variable ability and crystallized ability, as adopting the heat pump of a continuous variable ability, one or more is the heat pump of crystallized ability in addition.
When adopting many heat pump combinations or the variable heat pump of ability, can control the heating capacity that increases or reduce heat pump according to the heat that adds of water temperature and well heater, the load or unload source pump changes the heat recovery amount, with the test job of the radiator of water tank that adapts to different abilities.
The utility model carries out waste heat recovery by the heat pump heat recovery equipment, the airborne heat that heat absorption coil pipe 10 is discharged circulation device for air reclaims, 12 in heat release coil pipe is used for liquid in the heating water tank 8 with the heat that is reclaimed, thereby the heat extraction in the Cryogenic air is discharged in the high-temperature-hot-water (or glycol water), form the recycling loop of heat, thereby avoided the waste of heat.
The utility model can be used for adopting water or glycol water as heating medium to all kinds of automobile water tank heating radiators that comprise automobile and heater etc., is that the gas-liquid heat-exchange of heat eliminating medium carries out performance test with the air.
Radiator of water tank with automobile industry is the explanation that example is carried out energy-saving effect.
For automobile water tank radiator, when carrying out the exchange capability of heat test, test condition is generally under certain new wind-warm syndrome degree and (is generally 5～35 ℃), keep the certain inlet water temperature of testpieces and the temperature difference (being generally 60 ± 10 ℃) of intake air, and flow through certain wind speed in heating radiator both sides (or air quantity) and discharge.Satisfy above condition at test macro, and reach thermal parameter stable after, get the mean value of certain hour each thermodynamics test data at interval, be used for calculating the final heat of this heating radiator.Generally new wind-warm syndrome degree is in the time of 20 ℃, and leaving air temp is about 40～50 ℃, and the hot water temperature is about 80 ℃.This moment, the interior cold-producing medium evaporating temperature of heat absorption coil pipe of heat pump heat regenerative system was about 25～35 ℃, about 85～100 ℃ of the condensation of refrigerant temperature of heat release coil pipe.
The characteristics of this test are: 1) test power is bigger, usually its radiator of water tank also can reach heat dissipation capacity about 150kW for dilly, owing to the heat that adds that leaks reason well heaters such as heat at this moment will be about 160kW, the energy consumption of whole test board is about about 180kW; 2) test period is longer, and about 2 hours of each group working condition measurement data if make the heat dissipation characteristics curve of a radiator of water tank under the different air quantity of certain flow, generally need to survey 5 groups of data, and whole test needs 10 hours.Usually this class testing all adopts electric heater as thermal source, this shows that the energy consumption of this test is bigger, with above data instance, is 0.6 if get the energy consumption mean coefficient, tests energy consumption every day and is about 180 * 10 * 0.6=1080kWh.
When adopting heat pump to heat, heating capacity is about about 2.5～4 with the ratio (COP) of energy consumption of compressor.When getting COP=3, energy consumption is about (180-160+160/3) * 10 * 0.6=440kWh every day in the last example.Every day, amount of electricity saving was about 640kWh, power saving rate about 59%.
Claims (5)
1. heat exchanger performance proving installation comprises respectively and liquid recycle unit, the circulation device for air of devices in series to be tested, it is characterized in that: also comprise the heat pump heat recovery equipment that is connected with liquid recycle unit, circulation device for air.
2. heat exchanger performance proving installation according to claim 1 is characterized in that: described liquid recycle unit comprises water tank, well heater, the water pump that is connected on same loop; Described heat pump heat recovery equipment comprises heat pump compressor group, heat absorption coil pipe, the heat release coil pipe that is connected on same loop, and the heat absorption coil pipe is arranged at the exhaust outlet of described circulation device for air; The heat release coil pipe be arranged in the water tank or liquid circulation loop in.
3. heat exchanger performance proving installation according to claim 2 is characterized in that: the separate unit source pump that described heat pump compressor group is a crystallized ability; Or many source pump combinations of crystallized ability; Or rotating speed, capacity or the ability separate unit source pump that can continuously change; Or the combination of the heat pump of the heat pump of continuous variable ability and crystallized ability.
4. heat exchanger performance proving installation according to claim 2 is characterized in that: described well heater is adjustable well heater.
5. heat exchanger performance proving installation according to claim 1 and 2 is characterized in that: described circulation device for air comprises blower fan, wind-tunnel, and wind-tunnel is suction-type wind-tunnel or blowing-type wind-tunnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020162099 CN201637595U (en) | 2010-04-15 | 2010-04-15 | Performance testing device of heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020162099 CN201637595U (en) | 2010-04-15 | 2010-04-15 | Performance testing device of heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201637595U true CN201637595U (en) | 2010-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020162099 Expired - Lifetime CN201637595U (en) | 2010-04-15 | 2010-04-15 | Performance testing device of heat exchanger |
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| CN (1) | CN201637595U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102331439A (en) * | 2011-09-29 | 2012-01-25 | 王加龙 | Test device for radiating property of cooler |
| CN102359976A (en) * | 2011-08-02 | 2012-02-22 | 浙江大学 | Device and method for detecting heat radiation performance stability of automobile air conditioner heat exchanger |
| CN103149006A (en) * | 2013-02-28 | 2013-06-12 | 山东大学 | Automobile heat radiator wind tunnel experiment device for simulating actual operation working condition |
| CN103852275A (en) * | 2012-11-29 | 2014-06-11 | 浙江海得新能源有限公司 | Heat exchange efficiency test platform and test method of air-water heat exchanger |
| CN104568369A (en) * | 2015-01-09 | 2015-04-29 | 无锡佳龙换热器股份有限公司 | Wind tunnel test system for air heat exchanger |
| CN105136480A (en) * | 2015-10-08 | 2015-12-09 | 李卫良 | Warm air testing machine of vehicle |
| CN105301046A (en) * | 2015-10-28 | 2016-02-03 | 沈阳理工大学 | Thermal performance detection device of heat exchanger |
| CN107178540A (en) * | 2017-06-29 | 2017-09-19 | 广州市日森机械股份有限公司 | A kind of hydraulic system forced air cooler heat-dissipation performance test device |
| CN108168073A (en) * | 2018-01-22 | 2018-06-15 | 无锡恒业电热电器有限公司 | Heat accumulating type wind tunnel experiment electricity heating device system |
| CN109374322A (en) * | 2018-09-27 | 2019-02-22 | 合肥通用机械研究院有限公司 | A kind of water cooler test device of calibration tape heat recovery function |
-
2010
- 2010-04-15 CN CN 201020162099 patent/CN201637595U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359976A (en) * | 2011-08-02 | 2012-02-22 | 浙江大学 | Device and method for detecting heat radiation performance stability of automobile air conditioner heat exchanger |
| CN102331439A (en) * | 2011-09-29 | 2012-01-25 | 王加龙 | Test device for radiating property of cooler |
| CN103852275A (en) * | 2012-11-29 | 2014-06-11 | 浙江海得新能源有限公司 | Heat exchange efficiency test platform and test method of air-water heat exchanger |
| CN103149006A (en) * | 2013-02-28 | 2013-06-12 | 山东大学 | Automobile heat radiator wind tunnel experiment device for simulating actual operation working condition |
| CN103149006B (en) * | 2013-02-28 | 2015-07-22 | 山东大学 | Automobile heat radiator wind tunnel experiment device for simulating actual operation working condition |
| CN104568369A (en) * | 2015-01-09 | 2015-04-29 | 无锡佳龙换热器股份有限公司 | Wind tunnel test system for air heat exchanger |
| CN105136480A (en) * | 2015-10-08 | 2015-12-09 | 李卫良 | Warm air testing machine of vehicle |
| CN105301046A (en) * | 2015-10-28 | 2016-02-03 | 沈阳理工大学 | Thermal performance detection device of heat exchanger |
| CN105301046B (en) * | 2015-10-28 | 2018-07-17 | 沈阳理工大学 | Exchanger heat device for detecting performance |
| CN107178540A (en) * | 2017-06-29 | 2017-09-19 | 广州市日森机械股份有限公司 | A kind of hydraulic system forced air cooler heat-dissipation performance test device |
| CN108168073A (en) * | 2018-01-22 | 2018-06-15 | 无锡恒业电热电器有限公司 | Heat accumulating type wind tunnel experiment electricity heating device system |
| CN109374322A (en) * | 2018-09-27 | 2019-02-22 | 合肥通用机械研究院有限公司 | A kind of water cooler test device of calibration tape heat recovery function |
| 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 |
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| CX01 | Expiry of patent term |
Granted publication date: 20101117 |
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| CX01 | Expiry of patent term |