CN103604594A - Device for measuring thermolator performance parameters - Google Patents
Device for measuring thermolator performance parameters Download PDFInfo
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- CN103604594A CN103604594A CN201310608841.6A CN201310608841A CN103604594A CN 103604594 A CN103604594 A CN 103604594A CN 201310608841 A CN201310608841 A CN 201310608841A CN 103604594 A CN103604594 A CN 103604594A
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- thermosistor
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Abstract
The invention discloses a device for measuring thermolator performance parameters. The device comprises a sealing water tank, a measuring pipeline and three sets of measuring assemblies. The sealing water tank provides liquid with certain pressure and temperature to simulate cooling liquid of an engine under the actual working condition, and the sealing water tank is provided with a water tank water outlet connector and a water tank water inlet connector. The measuring pipeline comprises a main water inlet pipe, a large circulation water returning pipe and a small circulation water returning pipe, a water pump is connected to the main water inlet pipe, the main water inlet pipe is communicated with the water tank water outlet connector, and the large circulation water returning pipe and the small circulation water returning pipe are both connected with the water tank water inlet connector. Each set of measuring assembly comprises a pressure sensor and a temperature sensor. The three sets of measuring assemblies are correspondingly connected to a pipeline at a water inlet of a thermolator assembly, a pipeline at a small circulation water outlet of the thermolator assembly and a pipeline at a large circulation water outlet of the thermolator assembly respectively. According to the device, the various actual working conditions of the engine can be stimulated, various measured performance parameters can conform to the actual condition better, and the accuracy of judging the performance of the thermolator assembly is improved.
Description
Technical field
The present invention relates to engine component detection field, particularly a kind of device of measuring thermosistor performance parameter.
Background technology
Thermosistor is the valve of controlling coolant flow paths in engine, and it regulates and have vital effect engine water temperature.While occurring that in Vehicle Driving Cycle process the faults such as water temperature is high, water temperature is low need repairing, what first consider is whether thermosistor goes wrong, but, limited to thermosistor detection means at present, generally use the performance parameter of electromagnetic oven, kettle, dial gauge and thermometer measure thermosistor.Or when maintenance, directly adopt replacing thermosistor to fix a breakdown, tend to because erroneous judgement causes the waste of thermosistor.
The technical scheme of above-mentioned measurement thermosistor performance parameter is owing to there being the medium inequality of being heated, there is certain error in the data that record, can not truly reflect the performance under actual condition, thermosistor False Rate is higher, misleads the follow-up analysis of causes and the formulation of measures to rectify and reform.
Summary of the invention
The present invention is in order to overcome defect in above-mentioned prior art, a kind of device of measuring thermosistor performance parameter is provided, by the various operating modes of simulated engine reality, the various performance parameters of measurement are more realistic, improve the accuracy of judgement thermosistor assembly performance.
For achieving the above object, the invention provides a kind of device of measuring thermosistor performance parameter, comprise: sealing radiator, the liquid coolant that it provides the liquid of certain pressure and temperature to be used for simulated engine actual condition is provided with water tank water outlet mouthpiece and water tank water intake interface on sealing radiator; Measure pipeline, it comprises water inlet manifold, the systemic circulation return pipe being communicated with thermosistor assembly systemic circulation water delivering orifice of connecting with thermosistor assembly water inlet and the partial circulating return pipe being communicated with thermosistor assembly partial circulating water delivering orifice, in water inlet manifold, access water pump and connect with water tank water outlet mouthpiece, systemic circulation return pipe and partial circulating return pipe are all connected with water tank water intake interface; Measure assembly for three groups, measure assembly for every group and comprise pressure transducer and temperature sensor, measure assembly corresponding being connected in the corresponding pipeline of thermosistor assembly water inlet, thermosistor assembly partial circulating water outlet and thermosistor assembly systemic circulation water outlet respectively for three groups.
In technique scheme, in water inlet manifold, systemic circulation return pipe and partial circulating return pipe, access respectively first flow meter, the second flow is taken into account the 3rd flowmeter.
In technique scheme, systemic circulation return pipe and partial circulating return pipe converge rear and water tank water intake interface connection, at water tank water intake interface access flow variable valve.
In technique scheme, sealing radiator is communicated with air compressor machine by inlet suction port.
In technique scheme, in sealing radiator, be provided with heating tube.
In technique scheme, sealing radiator outside surface is provided with heat-insulation layer.
Compared with prior art, the present invention has following beneficial effect: by design sealing radiator, can provide the certain pressure of measurement needs and the liquid of temperature; The various actual conditions of adjusting simulated engine by design water pump and flow control valve, make measurement parameter more realistic; By measurement assembly is set, can measure the performance parameter under the various operating modes of thermosistor assembly, data are accurate, improve the accuracy of judgement thermosistor performance.
Accompanying drawing explanation
Fig. 1 is the principle schematic that the present invention measures the device of thermosistor performance parameter;
Fig. 2 is sealing radiator structural representation in the present invention;
Fig. 3 is the pipeline connection diagram of thermosistor assembly in the present invention.
Mark the following drawings mark thereon by reference to the accompanying drawings:
1-sealing radiator, 11-water tank water outlet mouthpiece, 12-water tank water intake interface, the visual liquid level gauge of 13-, 14-inductance liquid level gauge, 15-heating tube, 21-water inlet manifold, 211-first flow meter, 22-partial circulating return pipe, 221-the 3rd flowmeter, 23-systemic circulation return pipe, 231-the second flowmeter, 31-temperature sensor, 32-pressure transducer, 4-water pump, 5-motor, 6-thermosistor assembly.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention is not subject to the restriction of embodiment.
The device of measurement thermosistor performance parameter of the present invention is in order to judge whether the performance of thermosistor is damaged and designed, its cardinal principle is by the various workings of this unit simulation engine reality are set, under various operating modes, by measuring temperature and the pressure parameter of water inlet end, systemic circulation water side and the partial circulating water side of thermosistor assembly, and the flow resistance parameter before and after measuring and calculating thermosistor and the development of thermosistor assembly performance parameter is relative recently judges whether thermosistor has damage.
As shown in Figure 1, the device of the measurement thermosistor performance parameter that the present embodiment provides, comprise sealing radiator 1, measure pipeline (21, 22, 23) and three groups measure assemblies (31, 32), the liquid coolant that sealing radiator 1 provides the liquid (aqueous water) of certain pressure and temperature to be used for simulated engine actual condition, on sealing radiator 1, be provided with water tank water outlet mouthpiece 11 and water tank water intake interface 12(referring to Fig. 2), measure pipeline and comprise the water inlet manifold 21 of connecting with thermosistor assembly water inlet, the partial circulating return pipe 22 being communicated with thermosistor assembly partial circulating water delivering orifice and the systemic circulation return pipe 23 being communicated with thermosistor assembly systemic circulation water delivering orifice, one end of water inlet manifold 21 and water tank water outlet mouthpiece 11 are connected, in water inlet manifold 21, access water pump 4(referring to Fig. 2), the water side of water pump 4 and thermosistor assembly water inlet are connected, water pump 4 is driven by motor 5, systemic circulation return pipe 23 one end and thermosistor assembly systemic circulation water delivering orifice are connected, one end of partial circulating return pipe 22 and thermosistor assembly partial circulating water delivering orifice are connected, the other end of the other end of systemic circulation return pipe 23 and partial circulating return pipe 22 converges rear and water tank water intake interface 12 connections, access flow variable valve between the other end of systemic circulation return pipe 23 and the other end merging end of partial circulating return pipe 22 and water tank water intake interface 12, flow control valve is coarse adjustment valve 24 and smart variable valve 25 parallel waies, in water inlet manifold, access first flow meter 211, in systemic circulation return pipe, access the second flowmeter 231, in partial circulating return pipe, access the 3rd flowmeter 221, the power of adjusting water pump 4 according to the reading of first flow meter 211 changes the flow of intaking, according to the reading of the second flowmeter 231 or the 3rd flowmeter 221, adjust flow control valve and change circling water flow rate, operating mode that so just can the various reality of simulated engine, meet test condition.Measure assembly (31,32) be three groups, measure assembly for every group and comprise temperature sensor 31 and pressure transducer 32, measure assembly corresponding being connected in the corresponding pipeline of thermosistor assembly water inlet, thermosistor assembly partial circulating water outlet and thermosistor assembly systemic circulation water outlet respectively for three groups, its function is measured under different operating modes exactly, measures intake pressure and temperature parameter, the pressure of thermosistor assembly systemic circulation water outlet and pressure and the temperature parameter of temperature parameter and the water outlet of thermosistor assembly partial circulating of thermosistor assembly.
As shown in Figure 2, sealing radiator 1 in said apparatus is arranged on support 19, at the top of sealing radiator 1, be provided with water filling joint 01, inlet suction port 02, exhaust joint 03, pressure tapping 04, blowdown valve joint 05 and relief valve connection 06, water filling joint 01 is connected (not shown) with extraneous water flow pipes sealing and is used for filling out water for sealing radiator 1.Inlet suction port 02 is connected and is used for providing pressure for sealing radiator 1 inflation with air compressor machine (not shown), pressure tapping 04 connects tensimeter and reads the pressure size in sealing radiator 1, blowdown valve joint 05 connects blowdown valve, when pressure surpasses certain limit, by 05 pressure release of blowdown valve joint, while needing exhaust, open exhaust joint 03, in order to guarantee to use safety, a safety-valve is installed on relief valve connection 06.Meanwhile, in sealing radiator 1 both sides, be provided with visual liquid level gauge 13 and inductance liquid level gauge 14, tester is by the water level in visual liquid level gauge 13 visual inspection sealing radiators 1, and inductance liquid level gauge 14 can be realized the water level automatic monitoring to sealing radiator 1.Extexine at sealing radiator 1 is provided with heat-insulation layer 16, in sealing radiator 1, be provided with 15 pairs of heating liquids of heating tube, in sealing radiator 1 middle part, left side, be provided with temperature sensor joint 17, by the temperature in the sensor measurement sealing radiator 1 of temperature sensor joint 17, according to temperature, control heating tube 15 heating, reach the temperature needing.In sealing radiator 1 bottom, be provided with water drain valve 18, measure, by water drain valve 18, bleed off the water in sealing radiator 1.
As shown in Figure 3, in the situation that the various actual conditions of engine can simulate, thermosistor assembly is accessed to partial circulating loop and the systemic circulation loop while forming the real work of thermosistor assembly in above-mentioned loop.
When test, adjust tank pressure, temperature and pump rotary speed, simulated engine actual condition, before thermosistor is opened, the difference of partial circulating water delivering orifice pressure transducer measurement data and thermosistor assembly intake pressure is that thermosistor passes through partial circulating mouth resistance.Before thermosistor is in unlatching and standard-sized sheet, the difference of partial circulating water delivering orifice pressure transducer measurement data and thermosistor assembly intake pressure is that thermosistor passes through partial circulating mouth resistance, the difference of systemic circulation water delivering orifice pressure transducer measurement data and thermosistor assembly intake pressure be thermosistor by systemic circulation mouth resistance, by drag data analysis, can judge that thermosistor passes through large and small circulation port resistance.When thermosistor is during in full-gear, the difference of systemic circulation water delivering orifice pressure transducer measurement data and thermosistor assembly intake pressure is that thermosistor is by systemic circulation mouth resistance.Meanwhile, first temperature and the standard-sized sheet temperature opened before unlatching, under full-gear by temperature sensor measurement thermosistor.Measure above-mentioned various resistances (flow resistance) parameter of thermosistor, just open temperature parameter and standard-sized sheet temperature parameter and thermosistor assembly proper property parameter and contrast and judge whether the performance of thermosistor is damaged.This dress is by the various operating modes of simulated engine, and the performance parameter that makes to measure thermosistor is accurate, improves and judges the accuracy whether thermosistor damages.
Disclosed is above only specific embodiments of the invention, and still, the present invention is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (6)
1. a device of measuring thermosistor performance parameter, is characterized in that, comprising:
Sealing radiator, the liquid coolant that it provides the liquid of certain pressure and temperature to be used for simulated engine actual condition is provided with water tank water outlet mouthpiece and water tank water intake interface on described sealing radiator;
Measure pipeline, it comprises water inlet manifold, the systemic circulation return pipe being communicated with thermosistor assembly systemic circulation water delivering orifice of connecting with thermosistor assembly water inlet and the partial circulating return pipe being communicated with thermosistor assembly partial circulating water delivering orifice, in described water inlet manifold, access water pump and connect with described water tank water outlet mouthpiece, described systemic circulation return pipe and described partial circulating return pipe are all connected with described water tank water intake interface;
Measure assembly for three groups, described in every group, measure assembly and comprise pressure transducer and temperature sensor, measure assembly corresponding being connected in the corresponding pipeline of described thermosistor assembly water inlet, described thermosistor assembly partial circulating water outlet and described thermosistor assembly systemic circulation water outlet respectively for described three groups.
2. the device of measurement thermosistor performance parameter according to claim 1, is characterized in that, accesses respectively first flow meter, the second flow is taken into account the 3rd flowmeter in described water inlet manifold, systemic circulation return pipe and partial circulating return pipe.
3. the device of measurement thermosistor performance parameter according to claim 2, is characterized in that, connects, at described water tank water intake interface access flow variable valve after described systemic circulation return pipe and described partial circulating return pipe converge with described water tank water intake interface.
4. according to the device of the arbitrary described measurement thermosistor performance parameter of claims 1 to 3, it is characterized in that, described sealing radiator is communicated with air compressor machine by inlet suction port.
5. the device of measurement thermosistor performance parameter according to claim 4, is characterized in that, in described sealing radiator, is provided with heating tube.
6. the device of measurement thermosistor performance parameter according to claim 5, is characterized in that, described sealing radiator outside surface is provided with heat-insulation layer.
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| CN201310608841.6A CN103604594B (en) | 2013-11-26 | 2013-11-26 | Measure the device of thermosistor performance parameter |
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| CN201310608841.6A CN103604594B (en) | 2013-11-26 | 2013-11-26 | Measure the device of thermosistor performance parameter |
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| CN103604594B CN103604594B (en) | 2016-04-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390787A (en) * | 2014-12-08 | 2015-03-04 | 广西玉柴机器股份有限公司 | Detecting method for performances of thermostat |
| CN109630747A (en) * | 2018-12-03 | 2019-04-16 | 中国船舶重工集团公司第七研究所 | Heat control valve and method for detecting heat control valve assembled state |
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| CN201149544Y (en) * | 2007-12-10 | 2008-11-12 | 广西玉柴机器股份有限公司 | Platform for testing characteristics of multifunctional engine thermostat |
| CN202024891U (en) * | 2011-04-27 | 2011-11-02 | 温州大学 | Electron thermostat tester |
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| CN203551273U (en) * | 2013-11-26 | 2014-04-16 | 广西玉柴机器股份有限公司 | Device for measuring performance parameters of thermoregulator |
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2013
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000008853A (en) * | 1998-06-19 | 2000-01-11 | Honda Motor Co Ltd | Radiator failure detecting device for internal combustion engine |
| CN201149544Y (en) * | 2007-12-10 | 2008-11-12 | 广西玉柴机器股份有限公司 | Platform for testing characteristics of multifunctional engine thermostat |
| CN202024891U (en) * | 2011-04-27 | 2011-11-02 | 温州大学 | Electron thermostat tester |
| CN202351063U (en) * | 2011-11-07 | 2012-07-25 | 玉柴联合动力股份有限公司 | Detector for thermostat |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390787A (en) * | 2014-12-08 | 2015-03-04 | 广西玉柴机器股份有限公司 | Detecting method for performances of thermostat |
| CN109630747A (en) * | 2018-12-03 | 2019-04-16 | 中国船舶重工集团公司第七研究所 | Heat control valve and method for detecting heat control valve assembled state |
| CN109630747B (en) * | 2018-12-03 | 2020-01-17 | 中国船舶重工集团公司第七一一研究所 | Temperature control valve and method for detecting the assembly state of a temperature control valve |
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