CN103604594B - Measure the device of thermosistor performance parameter - Google Patents
Measure the device of thermosistor performance parameter Download PDFInfo
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- CN103604594B CN103604594B CN201310608841.6A CN201310608841A CN103604594B CN 103604594 B CN103604594 B CN 103604594B CN 201310608841 A CN201310608841 A CN 201310608841A CN 103604594 B CN103604594 B CN 103604594B
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Abstract
The invention discloses a kind of device measuring thermosistor performance parameter, comprise: sealing radiator, its liquid coolant providing the liquid of certain pressure and temperature to be used for simulated engine actual condition, described sealing radiator is provided with water tank water outlet mouthpiece and water tank water intake interface; Measure pipeline, it comprises water inlet manifold, systemic circulation return pipe and partial circulating return pipe, accesses water pump and connect with described water tank water outlet mouthpiece in described water inlet manifold, and described systemic circulation return pipe and described partial circulating return pipe are all connected with described water tank water intake interface; Three groups of measurement components, often organize described measurement components and comprise pressure transducer and temperature sensor, described three groups of measurement components are corresponding to be respectively connected in the pipeline of described thermosistor assembly water inlet, described thermosistor assembly partial circulating water outlet and described thermosistor assembly systemic circulation water outlet.The various operating modes of this unit simulation engine reality, the various performance parameters of measurement are more realistic, improve the accuracy judging thermosistor assembly performance.
Description
Technical field
The present invention relates to engine component detection field, particularly a kind of device measuring thermosistor performance parameter.
Background technology
Thermosistor is the valve of controlled cooling model liquid flow path in engine, and it regulates engine water temperature vital effect.When occurring in vehicle travel process that the faults such as water temperature is high, water temperature is low need repairing, first it is considered that 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 keeping in repair, directly adopt replacing thermosistor to fix a breakdown, often because erroneous judgement causes the waste of thermosistor.
The technical scheme of above-mentioned measurement thermosistor performance parameter to be heated inequality owing to there is medium, there is certain error in the data recorded, truly can not 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 to overcome defect in above-mentioned prior art, a kind of device 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 judging thermosistor assembly performance.
For achieving the above object, the invention provides a kind of device measuring thermosistor performance parameter, comprise: sealing radiator, its liquid coolant providing the liquid of certain pressure and temperature to be used for simulated engine actual condition, sealing radiator is provided with water tank water outlet mouthpiece and water tank water intake interface; Measure pipeline, it partial circulating return pipe comprising the water inlet manifold connected with thermosistor assembly water inlet, the systemic circulation return pipe be communicated with thermosistor assembly systemic circulation water delivering orifice and be 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; Three groups of measurement components, often organize measurement components and comprise pressure transducer and temperature sensor, three groups of measurement components are corresponding to be respectively connected in the corresponding pipeline of thermosistor assembly water inlet, thermosistor assembly partial circulating water outlet and thermosistor assembly systemic circulation water outlet.
In technique scheme, in water inlet manifold, systemic circulation return pipe and partial circulating return pipe, access first-class gauge, second gauge and the 3rd flowmeter respectively.
In technique scheme, systemic circulation return pipe and partial circulating return pipe converge afterwards and water tank water intake interface is connected, 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: can be provided the liquid measuring certain pressure and the temperature needed by design sealing radiator; By designing the various actual condition of adjustment simulated engine of water pump and flow control valve, make measurement parameter more realistic; Can measure performance parameter under the various operating mode of thermosistor assembly by arranging measurement components, data are accurate, improve the accuracy judging 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, the first-class gauge of 211-, 22-partial circulating return pipe, 221-the 3rd flowmeter, 23-systemic circulation return pipe, 231-second gauge, 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 not by the restriction of embodiment.
The device of measurement thermosistor performance parameter of the present invention is whether the performance in order to judge thermosistor is damaged and design, its cardinal principle is the various work operating modes by arranging this unit simulation engine reality, under various operating mode, by measuring the water inlet end of thermosistor assembly, the temperature of systemic circulation water side and partial circulating water side and pressure parameter, and flow resistance parameter before and after measuring and calculating thermosistor and thermosistor assembly are developed performance parameter and are compared to judge 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 of measurement components (31, 32), the liquid coolant that sealing radiator 1 provides the liquid of certain pressure and temperature (aqueous water) to be used for simulated engine actual condition, sealing radiator 1 is provided with water tank water outlet mouthpiece 11 and water tank water intake interface 12(see Fig. 2), measure pipeline and comprise the water inlet manifold 21 connected with thermosistor assembly water inlet, the partial circulating return pipe 22 be communicated with thermosistor assembly partial circulating water delivering orifice and the systemic circulation return pipe 23 be communicated with thermosistor assembly systemic circulation water delivering orifice, one end and the water tank water outlet mouthpiece 11 of water inlet manifold 21 are connected, water pump 4(is accessed see Fig. 2) in water inlet manifold 21, water side and the thermosistor assembly water inlet of water pump 4 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 and the thermosistor assembly partial circulating water delivering orifice of partial circulating return pipe 22 are connected, the other end of systemic circulation return pipe 23 and the other end of partial circulating return pipe 22 converge afterwards and water tank water intake interface 12 is connected, at the other end of systemic circulation return pipe 23 and access flow variable valve between 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 way, first-class gauge 211 is accessed in water inlet manifold, second gauge 231 is accessed in systemic circulation return pipe, the 3rd flowmeter 221 is accessed in partial circulating return pipe, the power adjusting water pump 4 according to the reading of first-class gauge 211 changes the flow of intaking, reading adjustment flow control valve according to second gauge 231 or the 3rd flowmeter 221 changes circling water flow rate, so just can the operating mode of the various reality of simulated engine, meet test condition.Measurement components (31,32) be three groups, often organize measurement components and comprise temperature sensor 31 and pressure transducer 32, three groups of measurement components are corresponding to be respectively connected in the corresponding pipeline of thermosistor assembly water inlet, thermosistor assembly partial circulating water outlet and thermosistor assembly systemic circulation water outlet, under its function measures different operating mode exactly, measure the intake pressure of thermosistor assembly and temperature parameter, the pressure of thermosistor assembly systemic circulation water outlet and the pressure of temperature parameter and the water outlet of thermosistor assembly partial circulating and temperature parameter.
As shown in Figure 2, sealing radiator 1 in said apparatus is arranged on support 19, 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 at the top of sealing radiator 1, water filling joint 01 and extraneous water flow pipes seal to be connected (not shown) and is used for as sealing radiator 1 fills out water.Inlet suction port 02 and air compressor machine (not shown) are connected and are used for inflating for sealing radiator 1 providing pressure, pressure tapping 04 connects the pressure size in tensimeter reading sealing radiator 1, blowdown valve joint 05 connects blowdown valve, when pressure exceedes certain limit, by blowdown valve joint 05 pressure release, needing to open exhaust joint 03 during exhaust, in order to ensure use safety, relief valve connection 06 installing a safety-valve.Meanwhile, be provided with visual liquid level gauge 13 and inductance liquid level gauge 14 in sealing radiator 1 both sides, tester is by the water level in visual liquid level gauge 13 visual inspection sealing radiator 1, and inductance liquid level gauge 14 can realize the water level automatic monitoring to sealing radiator 1.Heat-insulation layer 16 is provided with at the extexine of sealing radiator 1, heating tube 15 pairs of heating liquids are provided with in sealing radiator 1, on the left of sealing radiator 1, middle part is provided with temperature sensor joint 17, by the temperature in the sensor measurement sealing radiator 1 of temperature sensor joint 17, control heating tube 15 according to temperature to heat, reach the temperature of needs.Be provided with water drain valve 18 in sealing radiator 1 bottom, measure, bleed off the water in sealing radiator 1 by water drain valve 18.
As shown in Figure 3, when the various actual conditions of engine can be simulated, thermosistor assembly is accessed in above-mentioned loop partial circulating loop when forming the real work of thermosistor assembly and systemic circulation loop.
When testing, adjustment 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 is by 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 is by 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, can judge that thermosistor passes through large and small circulation port resistance by drag data analysis.When thermosistor is 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 by temperature sensor measurement thermosistor before opening, under full-gear opens temperature and standard-sized sheet temperature.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 carry out contrasting the performance judging thermosistor and whether damage.This dress, by the various operating mode of simulated engine, makes the performance parameter measuring thermosistor accurate, improves and judge the accuracy whether thermosistor damages.
Be only specific embodiments of the invention above, but the present invention is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (4)
1. measure a device for thermosistor performance parameter, it is characterized in that, comprising:
Sealing radiator, its liquid coolant providing the liquid of certain pressure and temperature to be used for simulated engine actual condition, described sealing radiator is provided with water tank water outlet mouthpiece and water tank water intake interface;
Measure pipeline, it partial circulating return pipe comprising the water inlet manifold connected with thermosistor assembly water inlet, the systemic circulation return pipe be communicated with thermosistor assembly systemic circulation water delivering orifice and be 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;
Three groups of measurement components, often organize described measurement components and comprise pressure transducer and temperature sensor, described three groups of measurement components are corresponding to be respectively 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;
First-class gauge, second gauge and the 3rd flowmeter is accessed respectively in described water inlet manifold, systemic circulation return pipe and partial circulating return pipe;
Connect, at described water tank water intake interface access flow variable valve with described water tank water intake interface after described systemic circulation return pipe and described partial circulating return pipe converge.
2. the device of measurement thermosistor performance parameter according to claim 1, it is characterized in that, described sealing radiator is communicated with air compressor machine by inlet suction port.
3. the device of measurement thermosistor performance parameter according to claim 2, is characterized in that, in described sealing radiator, be provided with heating tube.
4. the device of measurement thermosistor performance parameter according to claim 3, 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 true CN103604594B (en) | 2016-04-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| 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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| 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 |
| CN202417678U (en) * | 2012-02-01 | 2012-09-05 | 刘五十一 | Automobile engine cooler |
| CN103278319A (en) * | 2013-05-20 | 2013-09-04 | 曲阜天博汽车零部件制造有限公司 | Testing machine for testing comprehensive performance of thermostat |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3538545B2 (en) * | 1998-06-19 | 2004-06-14 | 本田技研工業株式会社 | Radiator failure detection device for internal combustion engine |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN202417678U (en) * | 2012-02-01 | 2012-09-05 | 刘五十一 | Automobile engine cooler |
| CN103278319A (en) * | 2013-05-20 | 2013-09-04 | 曲阜天博汽车零部件制造有限公司 | Testing machine for testing comprehensive performance of thermostat |
| 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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