CN103440001B - A kind of Lubricating Oil temperature control system - Google Patents
A kind of Lubricating Oil temperature control system Download PDFInfo
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- CN103440001B CN103440001B CN201310391109.8A CN201310391109A CN103440001B CN 103440001 B CN103440001 B CN 103440001B CN 201310391109 A CN201310391109 A CN 201310391109A CN 103440001 B CN103440001 B CN 103440001B
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Abstract
This application discloses a kind of Lubricating Oil temperature control system, comprise measurement device of oil tempera, processor and heat-exchanger rig, measurement device of oil tempera is arranged on wheel box, for measuring the oil temperature of lubricating oil and exporting oil temperature; Processor is connected with measurement device of oil tempera, for exporting cooling signal when oil temperature presets oil temperature higher than first; Heat-exchanger rig is provided with oil-in and oil-out, and oil-in is connected by pipeline with pump hydraulic fluid port, and oil-out is connected by pipeline with observation hydraulic fluid port; Heat-exchanger rig is connected with processor, for cooling lubricating oil according to cooling signal.As can be seen from above-mentioned technical scheme, because when heat-exchanger rig runs, noise is very little, therefore the judgement of experimenter to the abnormal noise of wheel box can not be had influence on, and due to need not to gear box casing trickle, also the corrosion to gear box casing and test-bed would not be caused, the defect therefore can effectively avoiding blower cools and trickle to cool this two kinds of modes having.
Description
Technical field
The application relates to wheel box detection technique field, more particularly, relates to a kind of Lubricating Oil temperature control system.
Background technology
Wheel box is one of very important assembly in vehicle transmission field, directly affects the usability of car load the serviceable life of transmission internal gear pair and axle, so before wheel box dispatches from the factory, needs to carry out long duration test to wheel box.In wheel box long duration test process, the temperature of gear lubricant has direct impact the serviceable life on gear pair, therefore, and must the strict oil temperature controlling lubricating oil when carrying out long duration test to wheel box.
At present air cooling way or water-cooling pattern are adopted usually to the control of TOT Transmission Oil Temperature.Air cooling way, for be dried directly to wheel box by fan blower, accelerates the radiating rate of gear box casing, thus realizes the control to Lubricating Oil Temperature; Water-cooling pattern is directly to wheel box trickle, walks the heat of gear box casing by water-band, thus reaches the object controlling Lubricating Oil Temperature.
Above two kinds of modes all have certain defect, and when adopting air cooling way, the noise of fan blower is very large, can have influence on the judgement of experimenter to the abnormal noise of wheel box; And when adopting water-cooling pattern, the corrosion of gear box casing and test-bed can be caused again to wheel box trickle, affect its serviceable life.
Summary of the invention
In view of this, the application provides a kind of Lubricating Oil temperature control system, for controlling the Lubricating Oil Temperature of the wheel box in long duration test, with the defect avoiding above two kinds of modes to have.
To achieve these goals, the existing scheme proposed is as follows:
A kind of Lubricating Oil temperature control system, oil temperature for the lubricating oil to the wheel box done in long duration test controls, described wheel box is provided with pump hydraulic fluid port and observes hydraulic fluid port, described pump hydraulic fluid port is connected with lube oil pump, described lube oil pump circulates at described transmission internal for driving lubricating oil, comprise measurement device of oil tempera, processor and heat-exchanger rig, wherein:
Described measurement device of oil tempera is arranged on described wheel box, for measuring the oil temperature of described lubricating oil and exporting oil temperature;
Described processor is connected with described measurement device of oil tempera, exports cooling signal for described oil temperature and first being preset compared with oil temperature, when described oil temperature presets oil temperature higher than described first;
Described heat-exchanger rig is provided with oil-in and oil-out, described oil-in and described pump hydraulic fluid port are connected by pipeline and make lubricating oil enter described oil-in by described pump hydraulic fluid port under the driving of internal pressure, and described oil-out is connected by pipeline with described observation hydraulic fluid port;
Described heat-exchanger rig is connected with described processor, for cooling described lubricating oil according to described cooling signal;
Also comprise heating arrangement;
Described processor also for compared with described oil temperature and the second default oil temperature, exports heating signal when described oil temperature presets oil temperature lower than described second;
Described heating arrangement is arranged on the pipeline for being communicated with described pump hydraulic fluid port and described oil-in, for heating described lubricating oil according to described heating signal.
Preferably, described measurement device of oil tempera comprises temperature sensor and analog to digital conversion circuit, wherein:
Described temperature sensor is arranged on described wheel box, for carrying out measurement to the oil temperature of described lubricating oil and output temperature signal;
Analog-digital conversion circuit as described is connected with described temperature sensor, for described temperature signal is converted to described oil temperature.
Preferably, described heat-exchanger rig comprises: heat interchanger, water tank and water pump, wherein:
Described heat interchanger is airtight body structure, is provided with water inlet and water delivering orifice;
Described oil-in and described oil-out are arranged on described heat interchanger, and are connected by the coil pipe being arranged on described heat interchanger inside;
Described water tank is used for holding chilled water;
Described water tank is connected with described water inlet, described water delivering orifice respectively by pipeline;
Described water pump is used for, according to described cooling signal, described chilled water is transported to described water inlet from described water tank.
Preferably, also variable valve is comprised;
Described variable valve is arranged on the pipeline for being communicated with described water inlet and described water tank, for controlling the flow of described chilled water.
Preferably, described heating arrangement comprises casing and well heater, wherein:
Described casing is provided with two of being connected with described casing to export, described two outlets are connected with described pump hydraulic fluid port, described oil-in respectively;
Described well heater is arranged in described casing, heats for lubricating oil according to described heating signal.
Preferably, also human-computer interaction device is comprised;
Described human-computer interaction device is connected with described processor, presets oil temperature and/or the described second default oil temperature for receiving and exporting described first to described processor.
As can be seen from above-mentioned technical scheme, when wheel box is tested, lubricating oil flows out wheel box from pump hydraulic fluid port under the effect of lube oil pump, flow through heat-exchanger rig, finally get back to wheel box from observation hydraulic fluid port, in cyclic process, heat-exchanger rig cools lubricating oil, because when heat-exchanger rig runs, noise is very little, therefore the judgement of experimenter to the abnormal noise of wheel box can not be had influence on, and due to need not to gear box casing trickle, also the corrosion to gear box casing and test-bed would not be caused, therefore the defect can effectively avoiding blower cools and trickle to cool this two kinds of modes having.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural drawing of Fig. 1 a kind of Lubricating Oil temperature control system disclosed in the embodiment of the present application;
The structural drawing of Fig. 2 a kind of heat-exchanger rig disclosed in the embodiment of the present application;
Fig. 3 is the structural drawing of heat interchanger;
The structural drawing of Fig. 4 a kind of Lubricating Oil temperature control system disclosed in the another embodiment of the application;
The structural drawing of Fig. 5 a kind of Lubricating Oil temperature control system disclosed in the another embodiment of the application.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, be clearly and completely described the technical scheme in the embodiment of the present application, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the application's protection.
Embodiment one
The structural drawing of Fig. 1 a kind of Lubricating Oil temperature control system disclosed in the embodiment of the present application.
As shown in Figure 1, Lubricating Oil temperature control system disclosed in the present embodiment comprises measurement device of oil tempera 14, processor 20, heat-exchanger rig 30.
Measurement device of oil tempera 14 is arranged on and carries out, on the wheel box 10 of long duration test, for measuring Lubricating Oil Temperature, and exporting oil temperature.
Measurement device of oil tempera 14 is made up of temperature sensor (not shown) and analog to digital conversion circuit (not shown), temperature sensor is thermal resistance or thermopair, be arranged on the shell of wheel box 10, because gear-box case is metal material, for the good conductor of heat, therefore the temperature of gear-box case reflects Lubricating Oil Temperature substantially, in order to better measure Lubricating Oil Temperature, in the present embodiment, temperature measuring equipment 14 is two, is separately positioned on pump hydraulic fluid port 13 place of wheel box and observes hydraulic fluid port 12 place.
Processor 20 is connected with measurement device of oil tempera 14, for receiving the oil temperature that measurement device of oil tempera 14 exports, and oil temperature and the first default oil temperature being compared, exporting cooling signal when oil temperature presets oil temperature more than first.
Oil temperature when wheel box 10 operates at normal temperatures is about 80 DEG C, when needing to test wheel box 10 under lower oil temperature, oil temperature can be preset by first and being set as lower temperature, as 30 DEG C, if now Lubricating Oil Temperature is more than 30 DEG C, then processor 20 exports cooling signal.
Heat-exchanger rig 30 is connected with processor 20, for cooling lubricating oil according to cooling signal.
Heat-exchanger rig 30 is provided with oil-in 31 and oil-out 32, and oil-in 31 is connected by pipeline with the pump hydraulic fluid port 13 of wheel box 10, and oil-out 32 is connected with the observation hydraulic fluid port 12 of wheel box 10.
The pump hydraulic fluid port 13 of wheel box 10 is openings on wheel box 10 internal lubrication oil circulating system pipeline, be connected with the lube oil pump 11 of wheel box 10, when wheel box 10 operates, lube oil pump 11 drives lubricating oil in wheel box 10 inner loop, forms higher pressure at pump hydraulic fluid port 13; Observation hydraulic fluid port 12 is openings for observing wheel box 10 internal lubrication oil oil mass, is connected with wheel box 10 inside.
When wheel box 10 operates, because there is higher pressure at place at pump hydraulic fluid port 13, therefore a part of lubricating oil flows out wheel box 10 and enters the oil-in 31 of heat-exchanger rig 30 under the driving of this pressure, lubricating oil after cold cut enters observation hydraulic fluid port 12 from oil-out 32 by pipeline, finally get back to wheel box 10, complete outer loop.
Heat-exchanger rig 30 is for cooling the lubricating oil entered wherein.
As can be seen from the above technical solutions, when testing wheel box 10, lubricating oil flows out wheel box 10 from pump hydraulic fluid port 12 under the effect of lube oil pump 11, then heat-exchanger rig 30 is entered, finally get back to wheel box from observation hydraulic fluid port 13, in cyclic process, heat-exchanger rig 30 pairs of lubricating oil cool, because when heat interchanger 30 runs, noise is very little, therefore the judgement of experimenter to the abnormal noise of wheel box 10 can not be had influence on, and due to need not to gear box casing trickle, also the corrosion to gear box casing and test-bed would not be caused, therefore the defect can effectively avoiding blower cools and trickle to cool this two kinds of modes having.
The structural drawing of Fig. 2 a kind of heat-exchanger rig disclosed in the embodiment of the present application.
As shown in Figure 2, heat-exchanger rig disclosed in the present embodiment comprises heat interchanger 300, water tank 310 and water pump 320.
Heat interchanger 300 is an airtight body structure, as shown in Figure 3, oil-in 31 and oil-out 32 are arranged on heat interchanger 300, and are connected by the coil pipe 303 of heat interchanger 300 inside, and heat interchanger 300 is also provided with the water inlet 301 and water delivering orifice 302 that are connected with heat interchanger 300.
Water tank 310, for holding chilled water, is an airtight casing, is connected respectively with water inlet 301, water delivering orifice 302 by pipeline.
Water pump 320 is arranged on the pipeline for joining water box 310 and water inlet 301, heat interchanger 300 is flow through for driving chilled water, water pump 320 is connected with processor 20, when processor 20 exports cooling signal, water pump 320 starts and drives cooling water circulation, carry out exchange heat at heat interchanger 300 inner cooling water and lubricating oil, lubricating oil is cooled.
When oil temperature presets oil temperature higher than first, water pump 320 starts, and starts to cool lubricating oil; When lubricating oil presets oil temperature through cold oil temperature value lower than first, processor 20 stops exporting cooling signal, and water pump 320 shuts down, and now cools stopping.
Variable valve 330 is also being provided with on joining water box 310 with the pipeline of water inlet 31, variable valve 330 is for regulating the internal circulating load of chilled water, when internal circulating load is little time, slower to the cooling velocity of lubricating oil, when internal circulating load is larger time, can cool lubricating oil rapidly, thus accurately can control Lubricating Oil Temperature.
The present embodiment also comprises human-computer interaction device 21, human-computer interaction device 21 is connected with processor 20, for receiving operating personnel's setting first presets oil temperature and/or second presets oil temperature, operating personnel can be controlled Lubricating Oil Temperature easily by human-computer interaction device 21, thus can test wheel box 10 under any oil temperature.
Embodiment two
The structural drawing of Fig. 4 a kind of Lubricating Oil temperature control system disclosed in another embodiment of the application.
As shown in Figure 4, Lubricating Oil temperature control system disclosed in the present embodiment adds heating arrangement 40 on the basis of a upper embodiment.
Heating arrangement 40 is connected with processor 20, and the oil temperature and second of processor 20 also for being exported by measurement device of oil tempera is preset oil temperature and compared, and exports heating signal when oil temperature presets oil temperature lower than second.
Heating arrangement 40 comprises an airtight casing, is provided with well heater (not shown) in casing.Heating arrangement is provided with two outlets be connected with casing, is connected by pipeline with the pump hydraulic fluid port 13 of wheel box, the oil-in 31 of heat-exchanger rig 30 respectively.Heating arrangement 40 heats lubricating oil according to heating signal.
When needing to test wheel box 10 under higher oil temperature, oil temperature input processor 20 is preset by second by human-computer interaction device 21, when oil temperature presets oil temperature lower than second, processor 20 sends heating signal, and heating arrangement 40 pairs of lubricating oil heat.
As can be seen from above scheme, can be heated lubricating oil by heating arrangement 40, widen the range of control to Lubricating Oil Temperature, can test wheel box 10 within the scope of wider oil temperature.
Heating arrangement 40 in the present embodiment can also be arranged on for being communicated with the pipeline observing hydraulic fluid port 12 and oil-out 32.
Embodiment three
The structural drawing of Fig. 5 a kind of Lubricating Oil temperature control system disclosed in the another embodiment of the application.
As shown in Figure 5, the outlet of the heating arrangement 40 of the present embodiment respectively with the pump hydraulic fluid port 13 of wheel box, observe hydraulic fluid port 12 and be connected by pipeline, form parallel relationship with heat-exchanger rig 30.
Pump hydraulic fluid port 13 for being communicated with wheel box 10 with the pipeline of the oil-in 31 of heat-exchanger rig 30 are provided with the first normally closed switch valve T1, pipeline for being communicated with pump hydraulic fluid port 13 and well heater 50 is provided with normally closed second switch valve T2, and processor 20 is also connected with the first switch valve T1, second switch valve T2 respectively.
When processor 20 exports cooling signal, the first switch valve T1 opens, and lubricating oil can be circulated by heat-exchanger rig 30, and heat-exchanger rig 30 cools lubricating oil according to cooling signal simultaneously.
When processor 20 exports heating signal, second switch valve T2 opens, and lubricating oil flows through heating arrangement 40 and circulates, and heating arrangement 40 heats lubricating oil according to heating signal simultaneously.
As can be seen from the above technical solutions, technical scheme disclosed in the present embodiment can reach the technique effect that disclosed in an embodiment, technical scheme can reach equally.
Finally, also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the application.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from the spirit or scope of the application, can realize in other embodiments.Therefore, the application can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a Lubricating Oil temperature control system, oil temperature for the lubricating oil to the wheel box done in long duration test controls, described wheel box is provided with pump hydraulic fluid port and observes hydraulic fluid port, described pump hydraulic fluid port is connected with lube oil pump, described lube oil pump circulates at described transmission internal for driving lubricating oil, it is characterized in that, comprise measurement device of oil tempera, processor and heat-exchanger rig, wherein:
Described measurement device of oil tempera is arranged on described wheel box, for measuring the oil temperature of described lubricating oil and exporting oil temperature;
Described processor is connected with described measurement device of oil tempera, exports cooling signal for described oil temperature and first being preset compared with oil temperature, when described oil temperature presets oil temperature higher than described first;
Described heat-exchanger rig is provided with oil-in and oil-out, described oil-in and described pump hydraulic fluid port are connected by pipeline and make lubricating oil enter described oil-in by described pump hydraulic fluid port under the driving of internal pressure, and described oil-out is connected by pipeline with described observation hydraulic fluid port;
Described heat-exchanger rig is connected with described processor, for cooling described lubricating oil according to described cooling signal;
Also comprise heating arrangement;
Described processor also for compared with described oil temperature and the second default oil temperature, exports heating signal when described oil temperature presets oil temperature lower than described second;
Described heating arrangement is arranged on the pipeline for being communicated with described pump hydraulic fluid port and described oil-in, for heating described lubricating oil according to described heating signal.
2. Lubricating Oil temperature control system as claimed in claim 1, it is characterized in that, described measurement device of oil tempera comprises temperature sensor and analog to digital conversion circuit, wherein:
Described temperature sensor is arranged on described wheel box, for carrying out measurement to the oil temperature of described lubricating oil and output temperature signal;
Analog-digital conversion circuit as described is connected with described temperature sensor, for described temperature signal is converted to described oil temperature.
3. Lubricating Oil temperature control system as claimed in claim 1, it is characterized in that, described heat-exchanger rig comprises: heat interchanger, water tank and water pump, wherein:
Described heat interchanger is airtight body structure, is provided with water inlet and water delivering orifice;
Described oil-in and described oil-out are arranged on described heat interchanger, and are connected by the coil pipe being arranged on described heat interchanger inside;
Described water tank is used for holding chilled water;
Described water tank is connected with described water inlet, described water delivering orifice respectively by pipeline;
Described water pump is used for, according to described cooling signal, described chilled water is transported to described water inlet from described water tank.
4. Lubricating Oil temperature control system as claimed in claim 3, is characterized in that, also comprise variable valve;
Described variable valve is arranged on the pipeline for being communicated with described water inlet and described water tank, for controlling the flow of described chilled water.
5. Lubricating Oil temperature control system as claimed in claim 1, it is characterized in that, described heating arrangement comprises casing and well heater, wherein:
Described casing is provided with two of being connected with described casing to export, described two outlets are connected with described pump hydraulic fluid port, described oil-in respectively;
Described well heater is arranged in described casing, for heating described lubricating oil according to described heating signal.
6. the Lubricating Oil temperature control system as described in claim 1 to 5 any one, is characterized in that, also comprise human-computer interaction device;
Described human-computer interaction device is connected with described processor, presets oil temperature and/or the described second default oil temperature for receiving and exporting described first to described processor.
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| CN201310391109.8A CN103440001B (en) | 2013-08-30 | 2013-08-30 | A kind of Lubricating Oil temperature control system |
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| CN201310391109.8A CN103440001B (en) | 2013-08-30 | 2013-08-30 | A kind of Lubricating Oil temperature control system |
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| CN103440001B true CN103440001B (en) | 2016-03-09 |
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| CN104100828A (en) * | 2014-07-08 | 2014-10-15 | 莱芜钢铁集团有限公司 | Oil heating device and oil heating method for thin oil lubrication station of medium-speed mill |
| CN104374214A (en) * | 2014-11-05 | 2015-02-25 | 中铁建电气化局集团康远新材料有限公司 | Automatic cooling and impurity removing device for drawing oil |
| CN105116132B (en) * | 2015-08-06 | 2016-11-23 | 中国北方发动机研究所(天津) | A kind of diesel lubrication oil online acquisition monitoring device |
| CN107346925A (en) * | 2016-05-06 | 2017-11-14 | 宁波盛智气能科技有限公司 | The high speed double-screw compressor electric system of magneto driving |
| CN109901640A (en) * | 2019-04-09 | 2019-06-18 | 苏州华业检测技术服务有限公司 | A kind of laboratory's rack TOT Transmission Oil Temperature control water circle device |
| CN114720019B (en) * | 2022-06-08 | 2022-08-26 | 河北清研魏科产业技术创新中心有限公司 | Method for detecting oil temperature of electric drive axle gearbox |
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