CN219974600U - Engine lubrication test system - Google Patents
Engine lubrication test system Download PDFInfo
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- CN219974600U CN219974600U CN202321074589.0U CN202321074589U CN219974600U CN 219974600 U CN219974600 U CN 219974600U CN 202321074589 U CN202321074589 U CN 202321074589U CN 219974600 U CN219974600 U CN 219974600U
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- oil
- engine
- engine oil
- temperature control
- control system
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- 238000012360 testing method Methods 0.000 title claims abstract description 38
- 238000005461 lubrication Methods 0.000 title claims abstract description 32
- 239000010705 motor oil Substances 0.000 claims abstract description 179
- 239000003921 oil Substances 0.000 claims abstract description 136
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 238000005086 pumping Methods 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 238000010521 absorption reaction Methods 0.000 claims description 15
- 238000005057 refrigeration Methods 0.000 claims description 4
- 239000000498 cooling water Substances 0.000 claims description 3
- 239000010729 system oil Substances 0.000 claims 1
- 230000001050 lubricating effect Effects 0.000 abstract description 5
- 101150006573 PAN1 gene Proteins 0.000 description 9
- 239000010724 circulating oil Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses an engine lubrication test system, which relates to the technical field of engines, and comprises an engine, an auxiliary oil pumping system and an engine oil temperature control system, wherein the engine is provided with an oil pan, an oil inlet and an oil return port are arranged on the oil pan, the oil inlet and the oil return port are respectively connected with the engine oil temperature control system and the auxiliary oil pumping system, the auxiliary oil pumping system discharges excessive engine oil in the oil pan into the engine oil temperature control system through the oil return port, and the engine oil temperature control system is used for controlling the temperature of the engine oil to enable the engine oil to enter the oil pan from the oil inlet; the engine oil flows to the oil outlet of the engine oil pan after the internal circulation of the engine lubricating system, the engine oil exceeding the liquid level of the engine oil in the oil pan is pumped back to the engine oil temperature control system, the engine oil temperature control system can realize the temperature control of the engine oil by combining heating or refrigerating circulation, the engine lubricating system can be ensured to be tested at different temperatures, and the engine oil is conveyed into the engine after the engine oil temperature reaches the working condition of the test temperature, so that the circulating flow of the whole engine lubricating system is realized.
Description
Technical Field
The utility model relates to the technical field of engines, in particular to an engine lubrication testing system.
Background
When an engine lubrication test system test is carried out, an external temperature-control pressure-control engine oil supply device is required to supply oil to the engine lubrication test system, the engine oil liquid levels of the actual works of the engines of different engines are inconsistent, and when the engines are arranged on different engine test benches or different whole vehicles, the engine oil liquid levels are different from the ground, and when the external temperature-control pressure-control engine oil supply device is adopted to control engine oil flow, if no extra measures are adopted to control the engine oil liquid levels, the engine oil liquid levels of the external oil supply device must be consistent with the engine oil liquid levels, so that the problem is solved, the temperature-control pressure-control engine oil supply device has universality, is suitable for the lubrication system test of any engine in any installation state, a tool is required to be designed, the engine oil liquid level dynamic balance of an engine oil pan can be controlled, and meanwhile, the engine oil liquid level of the engine oil temperature-control pressure-control device is not influenced by the engine oil liquid levels.
Disclosure of Invention
Therefore, the present utility model is directed to an engine lubrication testing system, which can control the dynamic balance of the oil level of the engine oil pan, and is not affected by the oil level of the oil temperature and pressure control device and the engine level.
The engine lubrication test system provided by the utility model adopts the following technical scheme:
the engine lubrication test system comprises an engine, an auxiliary oil pumping system and an engine oil temperature control system, wherein the engine is provided with an oil pan, an oil inlet and an oil return port which are required by lubrication test are arranged on the oil pan, the oil inlet and the oil return port are respectively connected with the engine oil temperature control system and the auxiliary oil pumping system, the auxiliary oil pumping system discharges redundant engine oil in the oil pan to the engine oil temperature control system through the oil return port, and the engine oil temperature control system is used for controlling the engine oil temperature to enable the engine oil temperature to reach a set test temperature working point and then enter the oil pan from the oil inlet.
Through adopting above-mentioned technical scheme, engine oil flows into engine oil pan oil inlet through engine circulation oil-out of engine oil temperature control system, and unnecessary engine oil in the oil pan is discharged and is carried in engine oil temperature control system through supplementary pumping system, realizes engine lubrication system test cycle, and engine oil temperature control system heats or refrigerates engine oil, carries engine oil into the engine again, can make the flow of the different engine oil temperature operating modes of whole engine lubrication system circulation and engine lubrication system performance test.
Further, be equipped with oil absorption frock and connect on the oil pan, oil absorption frock connects one end stretches into the oil pan inside and with the oil return port intercommunication, oil absorption frock connects the top and engine oil liquid level is in same level and is arranged in with unnecessary engine oil to the auxiliary pumping system.
Through adopting above-mentioned technical scheme, when the engine oil liquid level is higher than the top of oil absorption frock joint, unnecessary engine oil can directly enter into the oil return opening from oil absorption frock joint and directly flow, cooperates supplementary pump and oil storage tank again, realizes the circulating engine oil circulation flow of whole engine lubrication test system.
Further, the auxiliary oil pumping system comprises an auxiliary oil pump capable of controlling flow and an oil storage tank containing liquid level display, and the auxiliary oil pump is connected with the oil return port to pump engine oil into the oil storage tank.
Through adopting above-mentioned technical scheme, supplementary oil-well pump can provide power for the transportation of engine oil for the engine oil circulation is easier, can take out the engine oil to the oil storage tank in the storage simultaneously.
Further, the engine oil temperature control system comprises an engine oil circulating pump, an engine oil temperature control box and a refrigerating and heating cycle, wherein the engine oil circulating pump is communicated with the oil storage tank, the engine oil circulating pump conveys engine oil in the oil storage tank to the engine oil temperature control system, the refrigerating or heating cycle is combined to refrigerate or heat the engine oil, and the engine oil is conveyed to the oil pan after the heating or refrigerating of the engine oil in the engine oil temperature control system is completed.
By adopting the technical scheme, the temperature of the engine oil is increased through heating circulation control, the temperature of the engine oil is reduced through refrigerating circulation control, the flow rate of the engine oil is controlled by adjusting the running power of the engine oil circulating pump, and the pressure of the engine oil entering the engine oil pan can be controlled to reversely control the flow rate of the engine oil.
Further, the engine oil temperature control system further comprises a flow ratio control valve, wherein the flow ratio control valve is used for adjusting the flow of engine oil flowing into the refrigeration cycle in a refrigeration state and performing cold-heat exchange with cooling water to cool the engine oil.
By adopting the technical scheme, the flow proportional control valve realizes pressure control in the lubrication circulating system through the pressure adjustment flow of the engine oil, and cools the engine oil when the flow of the engine oil for heat exchange reaches the test requirement of the lubrication system, and the heating function of heating circulation is not started and only the system circulates.
Further, the maximum flow value of the auxiliary oil pump is larger than that of the engine oil circulating pump.
Through adopting above-mentioned technical scheme, guarantee that the oil pumping capacity of supplementary oil-well pump is greater than the defeated oil capacity of engine oil circulating pump to guarantee that engine oil drain pan engine oil liquid level can be in dynamic balance at any time, the unstable phenomenon of engine oil liquid level can not appear, the liquid level of engine oil supply equipment is unrestricted simultaneously, can not appear because of equipment liquid level and the phenomenon that the engine oil recharging is produced because of the action of gravity highly inconsistent with the engine liquid level.
Further, the maximum flow value range of the auxiliary oil pump is 50-70L/min.
Further, the range of the maximum flow rate value of the engine oil circulating pump is selected to be 30-50L/min.
In summary, the present utility model comprises at least one of the following beneficial effects: the engine oil flows into an oil inlet of an engine oil pan through a circulating oil outlet of the engine oil temperature control system, redundant engine oil in the engine oil pan is discharged and conveyed to the engine oil temperature control system through the auxiliary oil pumping system, the engine oil temperature control system heats or refrigerates the engine oil, and then the engine oil is conveyed into the engine, so that the engine oil with different temperature test working conditions of the whole engine lubricating system can be circulated and flowed.
Drawings
Fig. 1 is a schematic view of an oil pan according to an embodiment of the present utility model;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a flow chart of a cycle of testing an embodiment of the present utility model.
Reference numerals illustrate:
1. an oil pan; 11. an oil inlet; 12. an oil return port; 13. oil absorption frock connects.
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.
The utility model is described in further detail below with reference to fig. 1-3.
The embodiment of the utility model discloses an engine lubrication testing system. Referring to fig. 1-3, the engine lubrication test system comprises an engine, an auxiliary oil pumping system and an engine oil temperature control system, wherein the engine is provided with an oil pan 1, an oil inlet 11 and an oil return port 12 are arranged on the oil pan 1, the oil inlet 11 and the oil return port 12 are respectively connected with the engine oil temperature control system and the auxiliary oil pumping system, the auxiliary oil pumping system discharges excessive engine oil in the oil pan 1 into the engine oil temperature control system through the oil return port 12, and the engine oil temperature control system is used for controlling the temperature of the engine oil to enable the engine oil to enter the oil pan 1 from the oil inlet 11; the engine oil flows into the oil inlet 11 of the engine oil pan 1 through the circulating oil outlet of the engine oil temperature control system, the redundant engine oil in the engine oil pan 1 is discharged and is conveyed to the engine oil temperature control system through the auxiliary oil pumping system, the engine oil temperature control system heats or refrigerates the engine oil, and then the engine oil is conveyed to the engine, so that the engine oil circulation flow of different temperature test working conditions of the whole engine lubricating system can be realized.
Be equipped with oil absorption frock and connect 13 on the oil pan 1, oil absorption frock connects 13 along vertical direction setting, oil absorption frock connects 13's one end stretches into oil pan 1 inside and with oil return port 12 intercommunication, oil absorption frock connects 13's top is in same level with engine oil liquid level and is arranged in with unnecessary engine oil to assist pumping system, when engine oil liquid level is higher than oil absorption frock connects's top, unnecessary engine oil can directly enter into the oil return port from oil absorption frock and directly flow, and supplementary pump and oil storage tank are assisted again in the cooperation, realize the circulating engine oil circulation flow of whole engine lubrication test system.
The auxiliary oil pumping system comprises an auxiliary oil pump capable of controlling flow and an oil storage tank containing liquid level display, the auxiliary oil pump is connected with the oil return port 12 to pump engine oil into the oil storage tank, and the auxiliary oil pump can provide power for the transportation of the engine oil, so that the engine oil circulation is easier, and meanwhile, the engine oil can be pumped into the oil storage tank to be stored.
The engine oil temperature control system comprises an engine oil circulating pump, an engine oil temperature control box, a flow proportional control valve and refrigerating and heating cycles, wherein the engine oil circulating pump is communicated with the oil storage tank, the engine oil in the oil storage tank is conveyed into the engine oil temperature control system to be refrigerated or heated, the engine oil reaching the set test temperature working condition is conveyed into the engine oil pan 1 after heating or refrigerating is completed, the engine oil temperature is raised through heating cycle control, the engine oil temperature is lowered through refrigerating cycle control, the engine oil flow is controlled by adjusting the operating power of the engine oil circulating pump, during refrigerating, the flow proportional control valve controls part of the engine oil flow to the refrigerating cycle, the refrigerating cycle exchanges heat with circulating cooling water of an external refrigerator through a heat exchanger to cool the engine oil, and when the temperature reaches the set cooling temperature working condition, the engine oil is conveyed to an engine oil inlet of the engine oil pan through the temperature control box and the heating cycle oil path, and during refrigerating, the heating cycle is not started; the flow ratio control valve is arranged between the engine oil circulating pump and the engine oil temperature control box, the flow ratio control valve realizes pressure control in the lubrication circulating system by adjusting flow, and when the engine oil flow for heat exchange reaches the test requirement of the lubrication system by adjusting the flow of the engine oil, the engine oil is cooled, the heating function of heating circulation is not started, and only the system circulates.
The maximum flow value of the auxiliary oil pump is larger than that of the engine oil circulating pump, so that the pumping capacity of the auxiliary oil pump is larger than that of the engine oil circulating pump, the engine oil level of the engine oil pan can be dynamically balanced at any time, the phenomenon of unstable engine oil level is avoided, meanwhile, the liquid level of the engine oil supply equipment is not limited, and the phenomenon of engine oil recharging due to the action of gravity caused by inconsistent equipment liquid level and engine liquid level height is avoided; in the embodiment, the maximum flow value range of the auxiliary oil pump is 50-70L/min, and the maximum flow value range of the engine oil circulating pump is 30-50L/min, so that the experimental test of the performance of the engine lubrication test system of the large-displacement motorcycle on the market can be met.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (8)
1. An engine lubrication testing system, characterized in that: including engine, supplementary oil pumping system and engine oil temperature control system, the engine is equipped with oil pan (1), be equipped with required oil inlet (11) of lubrication test and oil return opening (12) on oil pan (1), oil inlet (11) and oil return opening (12) are connected with engine oil temperature control system and supplementary oil pumping system respectively, supplementary oil pumping system is arranged unnecessary engine oil in oil pan (1) to engine oil temperature control system through oil return opening (12), engine oil temperature control system is arranged in controlling engine oil temperature and makes after engine oil temperature reaches settlement test temperature operating point follow oil inlet (11) get into oil pan (1).
2. The engine lubrication testing system according to claim 1, wherein: be equipped with oil absorption frock joint (13) on oil pan (1), oil absorption frock joint (13) one end stretches into oil pan (1) inside and with oil return port (12) intercommunication, oil absorption frock joint (13)'s top is in same level with engine oil liquid level and is arranged in with unnecessary engine oil to assist pumping system.
3. The engine lubrication testing system according to claim 1, wherein: the auxiliary oil pumping system comprises an auxiliary oil pump capable of controlling flow and an oil storage tank containing liquid level display, and the auxiliary oil pump is connected with the oil return port (12) to pump engine oil into the oil storage tank.
4. The engine lubrication testing system according to claim 3, wherein: the engine oil temperature control system comprises an engine oil circulating pump, an engine oil temperature control box and a refrigerating and heating cycle, wherein the engine oil circulating pump is communicated with the oil storage tank, the engine oil in the oil storage tank is transported to the engine oil temperature control system by the engine oil circulating pump, the engine oil is refrigerated or heated by combining the refrigerating cycle or the heating cycle, and the engine oil is transported to the oil pan (1) after being heated or refrigerated in the engine oil temperature control system.
5. The engine lubrication testing system according to claim 4, wherein: the engine oil temperature control system also comprises a flow ratio control valve, wherein the flow ratio control valve is used for adjusting the flow of engine oil flowing into the refrigeration cycle in a refrigeration state and carrying out cold-heat exchange with cooling water to cool the engine oil.
6. The engine lubrication testing system according to claim 4, wherein: the maximum flow value of the auxiliary oil pump is larger than that of the engine oil circulating pump.
7. The engine lubrication testing system according to claim 6, wherein: the maximum flow value range of the auxiliary oil pump is 50-70L/min.
8. The engine lubrication testing system according to claim 6, wherein: and the range of the maximum flow value of the engine oil circulating pump is selected to be 30-50L/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321074589.0U CN219974600U (en) | 2023-05-06 | 2023-05-06 | Engine lubrication test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321074589.0U CN219974600U (en) | 2023-05-06 | 2023-05-06 | Engine lubrication test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219974600U true CN219974600U (en) | 2023-11-07 |
Family
ID=88595735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321074589.0U Active CN219974600U (en) | 2023-05-06 | 2023-05-06 | Engine lubrication test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219974600U (en) |
-
2023
- 2023-05-06 CN CN202321074589.0U patent/CN219974600U/en active Active
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