CN202793994U - Cooling liquid multifunctional simulated use evaluation device for high-power diesel engine - Google Patents
Cooling liquid multifunctional simulated use evaluation device for high-power diesel engine Download PDFInfo
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- CN202793994U CN202793994U CN 201220393603 CN201220393603U CN202793994U CN 202793994 U CN202793994 U CN 202793994U CN 201220393603 CN201220393603 CN 201220393603 CN 201220393603 U CN201220393603 U CN 201220393603U CN 202793994 U CN202793994 U CN 202793994U
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Abstract
The utility model relates to a cooling liquid multifunctional simulated use evaluation device for a high-power diesel engine. The cooling liquid multifunctional simulated use evaluation device for the high-power diesel engine mainly comprises a water pump, a variable-frequency adjustable-speed motor, a constant-temperature test box A, a constant-temperature test box B, a metal test piece, a non-metal test piece, a radiator, an anti-explosion electric heater and a heat transfer performance test unit, wherein the water pump, the constant-temperature test box A, the constant-temperature test box B, the heat transfer performance test unit, the radiator and the anti-explosion electric heater are connected with one another sequentially to form a cooling liquid closed circulation loop; the constant-temperature test box A is used for holding and fixing the metal test piece; the constant-temperature test box B is used for holding and fixing the non-metal test piece; and the heat transfer performance test unit comprises a temperature control device, a heat transfer test device, a low-flow sensor and a temperature measuring module. The cooling liquid multifunctional simulated use evaluation device for the high-power diesel engine is compact in structure and convenient to use, and can precisely evaluate the high-temperature simulated use corrosion property of the cooling liquid of the high-power diesel engine and the compatibility and the heat transfer performance of non-metal materials at the same time.
Description
Technical field
The utility model relates to a kind of high-power diesel engine liquid coolant Multi-functional analog operational evaluation device.
Background technology
Since 1892 German inventor Rudoiph Diesel invention diesel engines, diesel engine has obtained very large development, from the multiple fields such as locomotive, engineering machinery, generating that expand to peculiar to vessel.Because improving constantly of high-power diesel acc power, its thermal load and relevant integrity problem become more and more outstanding, the mode of the increase cooling effectiveness such as the optimization heat spreader structures that tradition is taked, configuration cooling fan has reached design limit, in order further to improve the power of high-power diesel engine, and don't as for the size that increases its heating radiator, high temperature cooling technique is widely adopted gradually.The application of this advanced technology not only can improve the heat-sinking capability of cooling device, dwindles the volume of cooling device, is convenient to the general layout of vehicle, and can also improves the diesel engine combustion situation, improves the economy of engine.
The general chilling temperature of High-temperature cooling is the highest to allow for 120 ℃, and the raising of chilling temperature requires supporting with it liquid coolant to have better high-temperature behavior and heat transfer property.At present, the standard of domestic authority's detection engine coolant performance is NB/SH/T 0521-2010 " ethylene glycol type and propylene glycol engine coolant ", it comprises that physicochemical property detects and usability detects two parts, wherein to detect mainly be to investigate liquid coolant for the anti-corrosion capability of cooling system and on the impact of miscellaneous part to usability, it is under the constant temperature of laboratory that corrosion test is used in simulation during usability detects, evaluate engine coolant important method to metal specimen and each component affects of cooling system in cyclic process, concrete test method is according to SH/T 0088 " engine coolant simulation use corrosion measurement method " standard: testing liquid is by reservoir, water pump, in the closed system that heating radiator and rubber tube form, be controlled at 88 ± 3 ℃ and satisfy the 1064h that circulates under the certain flow condition in temperature, its corrosion resistance is determined by the weightlessness of the employed typical metal test specimen of the engine-cooling system that is equipped with in the reservoir and the state of each parts inside surface of range estimation cooling system.The testing liquid performance change is by regularly the testing liquid that gathers from closed system being analyzed to determine within the test period.
In the detection test of SH/T 0088 standard, test temperature is set as 88 ± 3 ℃, the working temperature that mainly is based on common engine is 80 ℃～100 ℃, but for high-power diesel engine, because the raising of its thermal load, working temperature reaches as high as 120 ℃, and the test temperature in the existing standard detection test obviously can not be applicable to evaluate the usability of high-power diesel engine liquid coolant.In SH/T 0088 resistance standard test device, the rubber tube that the connection of pipeline adopts automobile to use can not bear the experimental enviroment of High Temperature High Pressure, has potential safety hazard.
Simultaneously SH/T 0088 resistance standard test device can not be used for the compatibility of evaluation liquid coolant and multiple nonmetallic materials and liquid coolant to the impact of cooling system heat-sinking capability.
Summary of the invention
For the limitation of existing SH/T 0088 resistance standard test device test condition setting and the unicity of test function, the purpose of this utility model is to solve and adopts the existing standard test unit to carry out the problem that the simulated service test of high-power diesel engine liquid coolant exists, and a kind of liquid coolant Multi-functional analog operational evaluation device is provided.
For achieving the above object, the utility model is by the following technical solutions: a kind of high-power diesel engine liquid coolant Multi-functional analog operational evaluation device is characterized in that: mainly be comprised of water pump, frequency control motor, Homothermal Proof Box A, Homothermal Proof Box B, metal specimen, nonmetal test specimen, heating radiator, anti-explosion electric heater and heat transfer performance test unit.Described metal specimen is placed among the Homothermal Proof Box A, described nonmetal test specimen is placed among the Homothermal Proof Box B, the liquid outlet on Homothermal Proof Box A top is connected with the inlet of Homothermal Proof Box B bottom, the inlet of Homothermal Proof Box A lower end is connected with water pump, and the liquid outlet of Homothermal Proof Box B upper end is connected with the heat transfer performance test unit.
Described water pump, Homothermal Proof Box A, Homothermal Proof Box B, heat transfer performance test unit, heating radiator, anti-explosion electric heater are followed in series to form liquid coolant sealing and circulating loop.
Connecting line in the described liquid coolant sealing and circulating loop all adopts stainless-steel tube.
The top of described heating radiator is provided with expansion tank.
Described flowmeter is connected in parallel in the liquid coolant sealing and circulating loop, and flowmeter does not participate in for a long time examination and high-temperature behavior test, with protection flowmeter and the serviceable life that prolongs flowmeter.
Described Homothermal Proof Box A and Homothermal Proof Box B are equipped with loam cake, cover respectively affixed metal specimen frame and nonmetal test-piece stand on described, place metal specimen on the metal specimen frame, place nonmetal test specimen on the nonmetal test-piece stand.
On the pipeline section between described Homothermal Proof Box B and the heating radiator heat transfer performance test unit is installed.
On the pipeline section between described heat transfer performance test unit and the heating radiator pressure regulator valve is installed.
Described heat transfer performance test unit comprises attemperating unit, heat transfer device, low discharge sensor, temperature-measuring module.
Described temperature-measuring module and heat transfer device are connected in parallel, and attemperating unit is used for the auxiliary heat transfer device temperature in of adjusting.
Described heat transfer device is the heat insulation pipeline section of a standard, inside is provided with heating arrangement, accurately heats by direct supply, adopts temperature-measuring module to measure the pipeline section temperature, with low discharge sensor measurement flow, thereby converse the convection transfer rate of liquid coolant.
Beneficial effect:
1, adopt anti-explosion electric heater, working temperature reaches as high as 120 ℃, and remedying SH/T 0088 standard stand working temperature is 88 ℃ only, is not suitable for this defective of usability of evaluation high-power diesel engine liquid coolant;
2, on the basis of SH/T 0088 standard stand, increased Homothermal Proof Box B, be used for the compatibility of evaluation liquid coolant and nonmetallic materials;
3, on the basis of SH/T 0088 standard stand, increased the heat transfer performance test unit, be used for the heat transfer property of evaluation liquid coolant;
4, adopt frequency control motor control pump rotary speed, reduced the noise of testing table;
5, connecting line all adopts stainless-steel tube, abandons rubber hose, the stability when guaranteeing hot test and security;
6, control system possesses manually and automatic control function, has comparatively perfect pressure and temperature warning function, but the unattended duty operation.
7, integrate three kinds of functions, compact conformation, easy to use, can use burn into nonmetallic materials compatibility and heat exchange property to make exact evaluation to the simulation of high-power diesel engine liquid coolant simultaneously.
Description of drawings
Fig. 1 high-power diesel engine liquid coolant Multi-functional analog operational evaluation device.
Among the figure: 1, water pump; 2, frequency control motor; 3, Homothermal Proof Box A; 4, metal specimen frame; 5, metal specimen; 6, Homothermal Proof Box B; 7, nonmetal test-piece stand; 8, nonmetal test specimen; 9, heat transfer performance test unit; 10, heating radiator; 11, anti-explosion electric heater; 12, expansion tank; 13, flowmeter; 14, pressure regulator valve; 15, dc speed-regulating motor; 16, fan; 17, low discharge sensor; 18, attemperating unit; 19, heat transfer device; 20, temperature-measuring module
Embodiment
With reference to accompanying drawing 1, high-power diesel engine liquid coolant Multi-functional analog operational evaluation device of the present utility model mainly is comprised of water pump 1, frequency control motor 2, Homothermal Proof Box A3, Homothermal Proof Box B6, metal specimen 5, nonmetal test specimen 8, heating radiator 10, anti-explosion electric heater 11 and heat transfer performance test unit 9.Be provided with metal specimen frame 4 in the described Homothermal Proof Box A3, described metal specimen is fixed on the metal specimen frame, is provided with nonmetal test-piece stand 7 in the described Homothermal Proof Box B6, and described nonmetal test specimen is fixed on the nonmetal test-piece stand.The liquid outlet on Homothermal Proof Box A top is connected with the inlet of Homothermal Proof Box B bottom, and the inlet of Homothermal Proof Box A lower end is connected with water pump 1, and the liquid outlet of Homothermal Proof Box B upper end is connected with heat transfer performance test unit 9.Heating radiator 10, anti-explosion electric heater 11 are connected in the liquid coolant sealing and circulating loop successively.The upper end of described heating radiator is provided with expansion tank 12.The liquid outlet of described heating radiator links to each other with the liquid inlet of anti-explosion electric heater.Flowmeter 13 is connected in parallel in the liquid coolant sealing and circulating loop.Pressure regulator valve 14 is installed on the pipeline section between described heat transfer performance test unit and the heating radiator.Water pump 1 is driven by frequency control motor 2.
In the 9 series connection access liquid coolant sealing and circulating loops, heat transfer performance test unit, comprise low discharge sensor 17, attemperating unit 18, heat transfer device 19, temperature-measuring module 20.Described temperature-measuring module and heat transfer device are connected in parallel.
Important technological parameters
1, flow rate of liquid: adjustable in 0～6m/s scope
2, control temperature: adjustable in ℃ scope of normal temperature～120
3, system's maximum working pressure (MOP): ≮ 1.0MPa
4, working time: 1064h
Principle of work
When simulation high-power diesel engine cooling system, liquid coolant drives by water pump, presses the order of water pump, constant temperature experiment A, Homothermal Proof Box B, heat transfer performance test unit, pressure regulator valve, heating radiator, well heater, flows in whole pipe system.The control system temperature is 120 ℃ and satisfies and make the liquid circulation 1064h that flows under the certain flow condition that its resistance to high temperature corrosion performance is determined by the weightlessness of the employed typical metal test specimen of the diesel engine cooling system that is equipped with among the Homothermal Proof Box A; Liquid coolant and nonmetallic materials compatibility are determined by variable quantities such as the quality of the employed nonmetal test specimen of diesel engine cooling system that is equipped with among the Homothermal Proof Box B, hardness, volumes; The cooled heat transfer fluid performance is by to the heat insulation pipeline section temperature of standard and the measurement of flow, converses the convection transfer rate of liquid coolant and determines.The performance change of liquid coolant is by regularly the sample that gathers from liquid coolant sealing and circulating loop being analyzed to determine within the test period.
Method of operating
The liquid coolant for preparing is injected liquid coolant sealing and circulating loop by the filling opening of expansion tank, start motor, drive water pump, connect anti-explosion electric heater, make that coolant temperature rises to test temperature in the closed circuit, the pressure of closed circuit is regulated by the air vapor valve on expansion tank top, regulates the requirement of satisfying system's maximum temperature by pressure.Regulate pump rotary speed by the rotating speed of regulating frequency control motor, and then regulate pump capacity, to satisfy the demand of cooling liquid speed in the closed circuit.Behind the system run all right, the heat insulation pipeline section of the standard that reads is measured the flow of temperature and low discharge sensor measurement, converses the cooling convection transfer rate at night.Except every 100h maintenance downtime 0.5～1h, continuous operation is answered in test.Between down period, check water tank level, if liquid level reduces, then need replenish liquid coolant.In this way, until finish 1064h.After the shutdown, unload metal specimen and nonmetal test specimen, carry out analysis to measure.
Claims (9)
1. a high-power diesel engine liquid coolant Multi-functional analog operational evaluation device is characterized in that: comprise water pump, frequency control motor, Homothermal Proof Box A, Homothermal Proof Box B, metal specimen, nonmetal test specimen, heating radiator, anti-explosion electric heater and heat transfer performance test unit; Described metal specimen is placed among the Homothermal Proof Box A, described nonmetal test specimen is placed among the Homothermal Proof Box B, the liquid outlet on Homothermal Proof Box A top is connected with the inlet of Homothermal Proof Box B bottom, the inlet of Homothermal Proof Box A lower end is connected with water pump, and the liquid outlet of Homothermal Proof Box B upper end is connected with the heat transfer performance test unit.
2. high-power diesel engine liquid coolant Multi-functional analog operational evaluation device according to claim 1, it is characterized in that: water pump, Homothermal Proof Box A, Homothermal Proof Box B, heat transfer performance test unit, heating radiator, anti-explosion electric heater are followed in series to form liquid coolant sealing and circulating loop.
3. high-power diesel engine liquid coolant Multi-functional analog operational evaluation device according to claim 1, it is characterized in that: the top of described heating radiator is provided with expansion tank.
4. high-power diesel engine liquid coolant Multi-functional analog operational evaluation device according to claim 2, it is characterized in that: flowmeter is connected in parallel in the liquid coolant sealing and circulating loop, does not participate in for a long time examination and high-temperature behavior and tests.
5. high-power diesel engine liquid coolant Multi-functional analog operational evaluation device according to claim 1, it is characterized in that: described Homothermal Proof Box A and Homothermal Proof Box B are equipped with loam cake, cover respectively affixed metal specimen frame and nonmetal test-piece stand on described, place metal specimen on the metal specimen frame, place nonmetal test specimen on the nonmetal test-piece stand.
6. high-power diesel engine liquid coolant Multi-functional analog operational evaluation device according to claim 1 is characterized in that: on the pipeline section between described Homothermal Proof Box B and the heating radiator heat transfer performance test unit is installed.
7. high-power diesel engine liquid coolant Multi-functional analog operational evaluation device according to claim 1 is characterized in that: on the pipeline section between described heat transfer performance test unit and the heating radiator pressure regulator valve is installed.
8. high-power diesel engine liquid coolant Multi-functional analog operational evaluation device according to claim 1, it is characterized in that: the heat transfer performance test unit comprises attemperating unit, heat transfer device, low discharge sensor, temperature-measuring module.
9. high-power diesel engine liquid coolant Multi-functional analog operational evaluation device according to claim 2, it is characterized in that: the connecting line in the liquid coolant sealing and circulating loop all adopts stainless-steel tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220393603 CN202793994U (en) | 2012-08-10 | 2012-08-10 | Cooling liquid multifunctional simulated use evaluation device for high-power diesel engine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220393603 CN202793994U (en) | 2012-08-10 | 2012-08-10 | Cooling liquid multifunctional simulated use evaluation device for high-power diesel engine |
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| CN202793994U true CN202793994U (en) | 2013-03-13 |
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| CN 201220393603 Expired - Fee Related CN202793994U (en) | 2012-08-10 | 2012-08-10 | Cooling liquid multifunctional simulated use evaluation device for high-power diesel engine |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103713010A (en) * | 2014-01-08 | 2014-04-09 | 天津大学 | Quick-release testing device and method for measuring heat transfer process under condition of high heat flux density |
| CN107941851A (en) * | 2017-12-20 | 2018-04-20 | 广州威能机电有限公司 | The performance testing device and its test method of a kind of heat radiator of internal-combustion engine |
| CN108982347A (en) * | 2018-09-12 | 2018-12-11 | 杨磊 | Engine coolant simulation uses corrosion testing apparatus |
| CN110320887A (en) * | 2019-06-25 | 2019-10-11 | 中国北方车辆研究所 | A kind of hot test system of water pump driving motor and controller |
| CN110887680A (en) * | 2018-09-07 | 2020-03-17 | 中车株洲电力机车研究所有限公司 | Multifunctional water-cooling testing device and method thereof |
| CN112147183A (en) * | 2020-10-16 | 2020-12-29 | 一汽解放汽车有限公司 | System and method for testing cooling performance of engine coolant |
| CN112619716A (en) * | 2020-11-25 | 2021-04-09 | 武汉宏图真志科技发展有限公司 | Multifunctional laboratory test box |
| CN113504260A (en) * | 2021-06-15 | 2021-10-15 | 南京航空航天大学 | Experimental device for be used for rotor oil spout heat convection test |
| CN113588483A (en) * | 2021-07-22 | 2021-11-02 | 一汽解放汽车有限公司 | System and method for testing high-temperature deposition performance of engine coolant |
-
2012
- 2012-08-10 CN CN 201220393603 patent/CN202793994U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103713010A (en) * | 2014-01-08 | 2014-04-09 | 天津大学 | Quick-release testing device and method for measuring heat transfer process under condition of high heat flux density |
| CN107941851A (en) * | 2017-12-20 | 2018-04-20 | 广州威能机电有限公司 | The performance testing device and its test method of a kind of heat radiator of internal-combustion engine |
| CN110887680A (en) * | 2018-09-07 | 2020-03-17 | 中车株洲电力机车研究所有限公司 | Multifunctional water-cooling testing device and method thereof |
| CN108982347A (en) * | 2018-09-12 | 2018-12-11 | 杨磊 | Engine coolant simulation uses corrosion testing apparatus |
| CN110320887A (en) * | 2019-06-25 | 2019-10-11 | 中国北方车辆研究所 | A kind of hot test system of water pump driving motor and controller |
| CN112147183A (en) * | 2020-10-16 | 2020-12-29 | 一汽解放汽车有限公司 | System and method for testing cooling performance of engine coolant |
| CN112147183B (en) * | 2020-10-16 | 2022-10-14 | 一汽解放汽车有限公司 | System and method for testing cooling performance of engine coolant |
| CN112619716A (en) * | 2020-11-25 | 2021-04-09 | 武汉宏图真志科技发展有限公司 | Multifunctional laboratory test box |
| CN113504260A (en) * | 2021-06-15 | 2021-10-15 | 南京航空航天大学 | Experimental device for be used for rotor oil spout heat convection test |
| CN113588483A (en) * | 2021-07-22 | 2021-11-02 | 一汽解放汽车有限公司 | System and method for testing high-temperature deposition performance of engine coolant |
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Granted publication date: 20130313 Termination date: 20130810 |