CN210889091U - Subregion cooling device - Google Patents

Subregion cooling device Download PDF

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CN210889091U
CN210889091U CN201921949263.1U CN201921949263U CN210889091U CN 210889091 U CN210889091 U CN 210889091U CN 201921949263 U CN201921949263 U CN 201921949263U CN 210889091 U CN210889091 U CN 210889091U
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cooling
oil
engine oil
communicated
main body
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CN201921949263.1U
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李亚军
刘宇
朱昌吉
高腾麟
曲大为
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Jilin University
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Jilin University
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Abstract

The utility model is suitable for an engine piston maintains technical field, provides a subregion cooling device. A zoned cooling apparatus comprising: the heat exchange mechanism is arranged on the cooling main body and used for passing through a cooling medium and reducing the temperature of the cooling main body; the engine oil circulating mechanism is arranged on the cooling main body and used for circularly injecting cooled engine oil to the cooling main body so as to lubricate the cooling main body; the water cooling circulation mechanism is communicated with the two ends of the heat exchange mechanism to form circulation, is used for cooling the passing cooling medium and drives the cooling medium to circulate through the heat exchange mechanism; the water-cooling circulation mechanism is communicated with and arranged outside the engine oil circulation structure in a limitable mode and used for regulating and controlling the temperature of the engine oil circulation mechanism in a heat exchange mode. Under the load working condition, the engine oil circulating mechanism can be subjected to heat exchange and cooling by removing the limitation of the water-cooling circulating structure, so that the effectiveness of the operation of the engine oil circulating mechanism for oil cooling is ensured.

Description

Subregion cooling device
Technical Field
The utility model belongs to the technical field of the engine piston is maintained, especially, relate to a subregion cooling device.
Background
When a diesel engine piston continuously absorbs heat from a combustion system during working, the piston is overheated, excessive expansion and carbonization of lubricating oil are caused, a sliding surface is adhered and burnt, the head is loosened and burnt out, if the piston is required to be kept to have higher strength and meet the use requirement of the diesel engine, the heat absorbed by the piston must be timely transmitted away, and under the normal condition, the heat absorbed by the piston is transmitted through a piston ring, a piston skirt and the top of a piston inner cavity. However, for highly strengthened diesel pistons, the requirement for cooling the piston cannot be met by these methods alone.
In the prior art, forced oil injection cooling and water cooling are adopted, and although water cooling generally has the capacity of absorbing a large amount of heat, the water cooling also has the risk of polluting a crankcase by water leakage, and if cooling water is not properly treated and maintained, the risk of scaling and corrosion exists, so that the oil cooling mode is safer and more effective to be applied to an engine piston.
However, in the prior art, in the oil cooling process, the heat dissipation effect of the oil cooling structure can be ensured during normal operation, but when the oil cooling structure is in load operation, the failure of the oil cooling system can be caused without timely adjustment, and the maintenance of the piston is further influenced.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide a subregion cooling device aims at solving the heat dissipation problem of the cold system of oil when piston load operation.
The embodiment of the utility model provides a realize like this, a subregion cooling device, include:
the heat exchange mechanism is arranged on the cooling main body and used for passing through a cooling medium and reducing the temperature of the cooling main body;
the engine oil circulating mechanism is arranged on the cooling main body and used for circularly injecting cooled engine oil to the cooling main body so as to lubricate the cooling main body; and
the water-cooling circulation mechanism is communicated with the two ends of the heat exchange mechanism to form circulation and is used for cooling the passing cooling medium and driving the cooling medium to circulate through the heat exchange mechanism;
the water-cooling circulation mechanism is communicated with and arranged outside the engine oil circulation structure in a limitable mode and used for regulating and controlling the temperature of the engine oil circulation mechanism in a heat exchange mode.
Another object of the embodiment of the present invention is to provide a water cooling circulation mechanism, which comprises:
the input end and the output end of the main cooling structure are respectively communicated with two ends of the heat exchange mechanism and are used for cooling the passing cooling medium and driving the cooling medium to circularly pass through the heat exchange mechanism;
the auxiliary cooling structure is communicated with the input end of the main cooling structure and used for shunting the cooling medium and assisting the main cooling structure to cool the cooling medium
Another object of the embodiment of the utility model is to provide an output of vice cooling structure passes through machine oil circulation mechanism through being equipped with the restriction of valve structure to the output of intercommunication main cooling structure is used for the heat dissipation cooling of control auxiliary engine oil.
Another object of the embodiment of the present invention is to provide an engine oil circulating mechanism, which comprises:
the engine oil cooling structure is used for driving the engine oil to circulate and cooling the passing engine oil;
and the engine oil circulating pipeline structure is communicated with the engine oil cooling structure to form circulation for engine oil injection and recovery.
The utility model discloses another aim at of embodiment, machine oil circulating line structure includes:
the oil outlet assembly is communicated with the output end of the engine oil cooling structure, one end of the oil outlet assembly, which is far away from the engine oil cooling structure, is opposite to the cooling main body, and is used for spraying cooled engine oil onto the cooling main body;
the oil inlet assembly is arranged on the cooling main body, one end of the oil inlet assembly is communicated with the input end of the engine oil cooling structure, and the oil inlet assembly is used for recovering engine oil injected by the oil outlet assembly and conveying the engine oil into the engine oil cooling structure.
The embodiment of the utility model provides a another aim at, the subassembly that produces oil includes the oil pipe that produces oil that is linked together with machine oil cooling structure and the body that produces oil that the intercommunication set up on oil pipe, it is relative with the operation structure in the cooling main part to produce oil the body.
The embodiment of the utility model provides a further aim at, the oil feed subassembly sets up the oil pipe and the recovery passageway that feeds into the oil pipe of intercommunication including the intercommunication at oil cooling structure input, the operation structure relative intercommunication in recovery passageway and the cooling main part.
The embodiment of the utility model provides a pair of subregion cooling device, spout and retrieve the machine oil through machine oil circulating mechanism and form the oil cooling heat dissipation to cooling main part, can guarantee the heat dissipation of cooling main part under the conventional conditions, meanwhile water cooling circulating mechanism can carry out outside heat dissipation to cooling main part through water circulation, and under the load working condition, the restriction of removing water cooling circulating structure can carry out the heat transfer cooling to machine oil circulating mechanism to the assurance is used for the validity of the machine oil circulating mechanism operation of oil cooling.
Drawings
Fig. 1 is a structural diagram of a partitioned cooling device according to an embodiment of the present invention;
in the drawings: 1. a cylinder body; 2. a main water outlet channel; 3. a first water outlet branch channel; 4. a second water outlet branch channel; 5. an auxiliary cooler; 6. a main cooler; 7. a first water inlet branch channel; 8. a third water inlet branch channel; 9. a second water inlet branch channel; 10. a main water inlet channel; 11. an oil inlet channel; 12. an oil outlet channel; 13. a nozzle oil passage; 14. a nozzle; 15. an oil cooler; 16. a control valve; 17. the main oil gallery.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following detailed description is provided for the specific embodiments of the present invention.
As shown in fig. 1, a partitioned cooling device provided for an embodiment of the present invention includes:
the heat exchange mechanism is arranged on the cooling main body and used for passing through a cooling medium and reducing the temperature of the cooling main body;
the engine oil circulating mechanism is arranged on the cooling main body and used for circularly injecting cooled engine oil to the cooling main body so as to lubricate the cooling main body; and
the water-cooling circulation mechanism is communicated with the two ends of the heat exchange mechanism to form circulation and is used for cooling the passing cooling medium and driving the cooling medium to circulate through the heat exchange mechanism;
the water-cooling circulation mechanism is communicated with and arranged outside the engine oil circulation structure in a limitable mode and used for regulating and controlling the temperature of the engine oil circulation mechanism in a heat exchange mode.
The embodiment of the utility model provides an in, heat transfer mechanism can select the metal fin of cavity structure to constitute through the intercommunication, also can select equipartition metal fin's spiral pipeline structure.
In the embodiment of the present invention, the cooling body is preferably a cylinder 1, and the cylinder 1 has a plurality of sets of piston structures.
The embodiment of the utility model provides an in, water-cooling circulation mechanism is linked together with heat transfer mechanism both ends respectively through main water outlet channel 2 and main inlet channel 10, and preferred cooling water is as heat transfer medium to behind drive cooling water passing heat transfer mechanism, carry out the water-cooling to the cooling main part, after the water after the heating passes through water-cooling circulation mechanism, in the water-cooling circulation entering heat transfer mechanism once more after the cooling.
The embodiment of the utility model provides an in, machine oil circulation mechanism lubricates and cools down the cooling main part with machine oil spouting behind the cooling main part, and machine oil gets back to the machine oil circulation mechanism after collecting again and cools down to carry out the supplementary heat dissipation of machine oil under the cooling main part high strength load condition through the cooperation of water-cooling circulation mechanism, thereby improve the radiating efficiency of machine oil circulation mechanism.
The embodiment of the utility model provides an in, form the cold heat dissipation of oil to cooling main part through machine oil circulation mechanism spouting and recovery machine oil, can guarantee the heat dissipation of cooling main part under the conventional conditions, meanwhile water-cooling circulation mechanism can carry out outside heat dissipation to the cooling main part through water circulation, and under load operating conditions, the restriction of removing water-cooling circulation structure can carry out the heat transfer cooling to machine oil circulation mechanism to the assurance is used for the validity of the machine oil circulation mechanism operation of oil cooling.
As shown in fig. 1, as a preferred embodiment of the present invention, the water-cooling circulation mechanism includes:
the input end and the output end of the main cooling structure are respectively communicated with two ends of the heat exchange mechanism and are used for cooling the passing cooling medium and driving the cooling medium to circularly pass through the heat exchange mechanism;
and the input end of the auxiliary cooling structure is communicated with the input end of the main cooling structure and is used for shunting the cooling medium, and the auxiliary main cooling structure is used for cooling the cooling medium.
The embodiment of the utility model provides an in, the preferred main cooler 6 of main cooling structure, 6 one end of main cooler are linked together through second play water branch way 4 and main play water channel 2, and the other end is linked together through second branch way 9 and main intake channel 10 of intaking, and the preferred multiunit finned structure intercommunication that adopts the cavity setting of main cooler 6 constitutes to the one end of main cooler 6 still is equipped with the water pump that is used for driving the hydrologic cycle, can drive the hydrologic cycle like this and cool off.
The embodiment of the utility model provides an in, the preferred pair cooler 5 of vice cooling structure, pair cooler 5 and main cooler 6 structure are the same, pair cooler 5 is linked together through first play water branch way 3 and second play water branch way 4, or pair cooler 5 is linked together with main play water way 2 and second play water branch way 4 respectively through three way connection, like this the cooling water split stream in the main play water way 2 enters into in vice cooler 5 and the main cooler 6 through first play water branch way 3 and second play water branch way 4 respectively, can improve the cooling efficiency of cooling water like this, be convenient for improve the cooling effect to the cooling main part.
As shown in fig. 1, as a preferred embodiment of the present invention, the output end of the secondary cooling structure is limited to pass through the engine oil circulation mechanism by being provided with a valve structure, and is communicated with the output end of the primary cooling structure, so as to control the auxiliary engine oil to cool down.
In the embodiment of the present invention, a first water inlet branch 7 is connected to one end of the sub-cooler 5 away from the first water outlet branch 3, preferably, the first water inlet branch 7 bypasses the periphery of the oil circulation mechanism by a spiral manner, a third water inlet branch 8 is connected to one end of the first water inlet branch 7 away from the sub-cooler 5, the third water inlet branch 8 is connected to the second water inlet branch 9, or the third water inlet branch 8 is respectively connected to the second water inlet branch 9 and the main water inlet 10 by a tee joint, a control valve 16 is further provided on the first water inlet branch 7, the control valve 16 is preferably an electromagnetic valve, when in daily operation, the control valve 16 is closed, after the cooling water passes through the main water outlet 2, the cooling water passes through the main cooler 6 from the second water outlet branch 4, and then returns to the heat exchange mechanism through the second water inlet branch 9 and the main water inlet 10, cooling of the cylinder body 1 is completed, when the cylinder body 1 is in load operation, the control valve 16 is opened, cooling water is shunted through the main water outlet channel 2 to enter the first water outlet branch channel 3 and the second water outlet branch channel 4, and is cooled in a partitioning mode through the auxiliary cooler 5 and the main cooler 6, so that the cooling efficiency is effectively improved, and meanwhile, after the cooling water passes through the first water inlet branch channel 7 from the auxiliary cooler 5, the cooling of the engine oil circulating mechanism is realized, and the oil cooling efficiency of the engine oil circulating mechanism can be improved.
In the embodiment of the present invention, it is preferable that the sub-cooler 5 and the main cooler 6 are both disposed within the fan output range, so that the heat radiation efficiency is improved by the blown air flow.
As shown in fig. 1, as a preferred embodiment of the present invention, the oil circulation mechanism includes:
the engine oil cooling structure is used for driving the engine oil to circulate and cooling the passing engine oil;
and the engine oil circulating pipeline structure is communicated with the engine oil cooling structure to form circulation for engine oil injection and recovery.
The engine oil circulation pipeline structure includes:
the oil outlet assembly is communicated with the output end of the engine oil cooling structure, one end of the oil outlet assembly, which is far away from the engine oil cooling structure, is opposite to the cooling main body, and is used for spraying cooled engine oil onto the cooling main body;
the oil inlet assembly is arranged on the cooling main body, one end of the oil inlet assembly is communicated with the input end of the engine oil cooling structure, and the oil inlet assembly is used for recovering engine oil injected by the oil outlet assembly and conveying the engine oil into the engine oil cooling structure.
The oil outlet assembly comprises an oil outlet pipe communicated with the engine oil cooling structure and an oil outlet body communicated with the oil pipe, and the oil outlet body is opposite to the operation structure on the cooling main body.
The oil inlet assembly comprises an oil inlet pipe and a recovery channel, wherein the oil inlet pipe is arranged at the input end of the oil cooling structure in a communicating mode, the recovery channel is communicated with the oil inlet pipe in a communicating mode, and the operation structure on the recovery channel and the cooling main body is communicated relatively.
The embodiment of the utility model provides an in, the preferred oil cooler 15 of oil cooling structure, and the both ends of oil cooler 15 communicate respectively and are provided with out oil pipe and advance oil pipe, go out oil pipe including the intercommunication set up in the oil outlet 12 of 15 output ends of oil cooler and communicate out oil pipe 12 and set up the nozzle oil duct 13 on cylinder body 1, still communicate on the nozzle oil duct 13 and be provided with the multiunit and go out the oil body, go out the oil body and prefer to pass through nozzle 14, nozzle 14 is equipped with the multiunit, and it is relative with the piston structure on the cylinder body 1 respectively.
The embodiment of the utility model provides an in, the oil inlet pipe is preferred to be linked together oil inlet channel 11 and the intercommunication oil inlet channel 11 on the 15 inputs of oil cooler and set up the main oil duct 17 in cylinder body 1, piston structure intercommunication and the relative setting of nozzle 14 on main oil duct 17 and cylinder body 1, after 14 spouts machine oil of nozzle, can collect and get back to through oil inlet channel 11 and cool off in getting back to machine oil cooler 15 through main oil duct 17, the rethread goes out cooling that is used for piston structure from 14 blowout of nozzle behind oil duct 12 and the nozzle oil duct 13, and first water inlet branch way 7 is peripheral around machine oil cooler 15, be used for carrying out water-cooling auxiliary heat dissipation to machine oil cooler 15 under 1 load operation of cylinder body, thereby improve the heat exchange efficiency of machine oil, guarantee the operation of cylinder body 1, finally reach the purpose that improves piston structure life in the cylinder body 1.
The embodiment of the utility model provides an in, under the little load state, piston temperature is lower, and control valve 16 closes, and at this moment, the machine oil carries out the forced air cooling in getting into machine oil cooler 15, and the adoption air cooling's machine oil temperature at this moment is enough to satisfy the cooling requirement, and the cooling water is whole to carry out air cooling through main cooler 6, carries out next circulation in the whole inflow engine water course after the moderate degree cooling.
The embodiment of the utility model provides an in, when the engine is in well high load, control valve 16 is opened, partial cooling water carries out cooling by a wide margin through vice cooler 5 by force, then cool off machine oil in letting in machine oil cooler 15, take away machine oil heat most by the cooling water through machine oil cooler 15, make machine oil obtain fine cooling effect, machine oil after the cooling enters into nozzle 14 and sprays the piston, under the well high load, piston temperature is higher, lower machine oil temperature this moment is enough to satisfy the cooling requirement.
An embodiment of the utility model provides a piston strength promotes method, a serial communication port, include:
the partitioned cooling device is adopted, the space where the piston runs is used as a cooling main body, engine oil is circulated and injected through the partitioned cooling device to lubricate and cool the piston, and meanwhile, the temperature of the cooling main body is reduced through heat exchange.
The embodiment of the utility model provides an in, through the continuous machine oil after the spouting cooling of machine oil circulation mechanism among the subregion cooling device to directly improve piston structure's operational environment temperature, improve the life of piston, meanwhile through the continuous indirect cooling piston structure's of water-cooling circulation mechanism operational environment, supplementary improvement piston structure life.
The embodiment of the utility model provides an in, when piston structure load operation, can improve the direct cooling effect to piston structure through the cooling of water-cooling circulation mechanism auxiliary engine oil circulation mechanism.
The application of the zone cooling device in the strength improvement of the engine piston is disclosed.
The embodiment of the utility model provides an in, in using the engine with subregion cooling device, can guarantee piston service life in the engine to the various operational aspect of adaptation engine, the timely adjustment control of being convenient for.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (7)

1. A zoned cooling apparatus, comprising:
the heat exchange mechanism is arranged on the cooling main body and used for passing through a cooling medium and reducing the temperature of the cooling main body;
the engine oil circulating mechanism is arranged on the cooling main body and used for circularly injecting cooled engine oil to the cooling main body so as to lubricate the cooling main body; and
the water-cooling circulation mechanism is communicated with the two ends of the heat exchange mechanism to form circulation and is used for cooling the passing cooling medium and driving the cooling medium to circulate through the heat exchange mechanism;
the water-cooling circulation mechanism is communicated with and arranged outside the engine oil circulation structure in a limitable mode and used for regulating and controlling the temperature of the engine oil circulation mechanism in a heat exchange mode.
2. The zone cooling device of claim 1, wherein the water-cooled circulation mechanism comprises:
the input end and the output end of the main cooling structure are respectively communicated with two ends of the heat exchange mechanism and are used for cooling the passing cooling medium and driving the cooling medium to circularly pass through the heat exchange mechanism;
and the input end of the auxiliary cooling structure is communicated with the input end of the main cooling structure and is used for shunting the cooling medium, and the auxiliary main cooling structure is used for cooling the cooling medium.
3. The zoned cooling device according to claim 2, wherein the output of the secondary cooling structure is restricted from passing through the oil circulation mechanism by providing a valve structure and communicates with the output of the primary cooling structure for controlling the auxiliary oil to cool.
4. The zoned cooling device according to claim 1 or 3, wherein the oil circulation mechanism includes:
the engine oil cooling structure is used for driving the engine oil to circulate and cooling the passing engine oil;
and the engine oil circulating pipeline structure is communicated with the engine oil cooling structure to form circulation for engine oil injection and recovery.
5. The zoned cooling device according to claim 4, wherein the oil circulation conduit structure includes:
the oil outlet assembly is communicated with the output end of the engine oil cooling structure, one end of the oil outlet assembly, which is far away from the engine oil cooling structure, is opposite to the cooling main body, and is used for spraying cooled engine oil onto the cooling main body;
the oil inlet assembly is arranged on the cooling main body, one end of the oil inlet assembly is communicated with the input end of the engine oil cooling structure, and the oil inlet assembly is used for recovering engine oil injected by the oil outlet assembly and conveying the engine oil into the engine oil cooling structure.
6. The zoned cooling device according to claim 5, wherein the oil outlet assembly includes an oil outlet pipe in communication with the oil cooling structure and an oil outlet body in communication with the oil pipe, the oil outlet body being opposite to the operating structure on the cooling body.
7. The zone cooling device according to claim 6, wherein the oil inlet assembly comprises an oil inlet pipe communicated with an input end of the oil cooling structure and a recycling channel communicated with the oil inlet pipe, and the recycling channel is communicated with the operation structure on the cooling body.
CN201921949263.1U 2019-11-13 2019-11-13 Subregion cooling device Active CN210889091U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921949263.1U CN210889091U (en) 2019-11-13 2019-11-13 Subregion cooling device

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Application Number Priority Date Filing Date Title
CN201921949263.1U CN210889091U (en) 2019-11-13 2019-11-13 Subregion cooling device

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Publication Number Publication Date
CN210889091U true CN210889091U (en) 2020-06-30

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Application Number Title Priority Date Filing Date
CN201921949263.1U Active CN210889091U (en) 2019-11-13 2019-11-13 Subregion cooling device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110671183A (en) * 2019-11-13 2020-01-10 吉林大学 Partitioned cooling device and piston strength improving method based on partitioned cooling

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110671183A (en) * 2019-11-13 2020-01-10 吉林大学 Partitioned cooling device and piston strength improving method based on partitioned cooling
CN110671183B (en) * 2019-11-13 2023-09-26 吉林大学 Partition cooling device and piston strength improving method based on partition cooling

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