CN112196989A - Automatic gearbox lubricating and cooling device and control method - Google Patents
Automatic gearbox lubricating and cooling device and control method Download PDFInfo
- Publication number
- CN112196989A CN112196989A CN202011275115.3A CN202011275115A CN112196989A CN 112196989 A CN112196989 A CN 112196989A CN 202011275115 A CN202011275115 A CN 202011275115A CN 112196989 A CN112196989 A CN 112196989A
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- Prior art keywords
- oil
- electromagnetic valve
- inlet pipe
- hydraulic pump
- oil inlet
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0413—Controlled cooling or heating of lubricant; Temperature control therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0402—Cleaning of lubricants, e.g. filters or magnets
- F16H57/0404—Lubricant filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0415—Air cooling or ventilation; Heat exchangers; Thermal insulations
- F16H57/0416—Air cooling or ventilation
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a lubricating and cooling device of an automatic gearbox and a control method thereof, wherein the device comprises a gearbox box body, a hydraulic cooling control device and an electronic control unit; the hydraulic cooling control device comprises an electromagnetic valve I, an electromagnetic valve II, an energy accumulator, an oil tank, a hydraulic pump I and a hydraulic pump II; an oil inlet of the hydraulic pump I is communicated with an oil tank, and an oil outlet of the hydraulic pump I is connected with a T port of the electromagnetic valve I through an oil inlet pipe I; the port A of the electromagnetic valve I is connected with an oil inlet of a gearbox body through an oil inlet pipe II; the port B of the electromagnetic valve I is connected with an oil inlet pipe II through an oil inlet pipe III; the temperature sensor I, the temperature sensor II, the electromagnetic valve I and the electromagnetic valve II are respectively connected with the electronic control unit. The invention can accurately and efficiently control the oil temperature and regulate the flow direction of oil, not only solves the problems of low heat dissipation efficiency of the gearbox under a high-performance working condition and reduced service life and even damage of ground parts caused by overhigh oil temperature, but also greatly improves the working efficiency of a hydraulic control system.
Description
Technical Field
The invention belongs to the technical field of gearbox cooling devices, and particularly relates to an automatic gearbox lubricating and cooling device and a control method.
Background
With the rapid development of the automobile industry, the use conditions and requirements for the gearbox are higher and higher. The performance of the automatic gearbox, which is an extremely important component of a vehicle transmission system, directly affects the overall use performance of the vehicle. Therefore, how to ensure that the gearbox can work stably and normally under various severe environments is an important part of the adaptability of the gearbox.
Nowadays, the automobile development is mostly towards high speed and high performance. And automatic transmission and motor adopt the flattening to be connected mostly, this just means that the frictional wear of each spare part of box inside can greatly increased, and simultaneously, its inside temperature also will rise greatly, leads to the fluid temperature to rise to influence the lubrication and the cooling of each spare part in the box, finally probably lead to box and spare part to damage the inefficacy, greatly reduced the performance and the life-span of gearbox.
Disclosure of Invention
In order to solve the problems, the invention provides the automatic gearbox lubricating and cooling device which is simple in structure, convenient to operate and capable of adjusting the temperature in the gearbox box body and the control method, the oil lubricating efficiency is improved, and the problem that the gearbox cooling effect is poor under high-strength working conditions such as high rotating speed and the like is solved.
The technical scheme adopted by the invention is as follows: the utility model provides an automatic gearbox is lubricated and cooling device, includes gearbox box, hydraulic cooling controlling means and electronic control unit, characterized by: the hydraulic cooling control device comprises an electromagnetic valve I, an electromagnetic valve II, an energy accumulator, an oil tank, a hydraulic pump I and a hydraulic pump II; an oil inlet of the hydraulic pump I is communicated with an oil tank, an oil outlet of the hydraulic pump I is connected with a T port of the electromagnetic valve I through an oil inlet pipe I, and an energy accumulator is arranged on the oil inlet pipe I; the port A of the electromagnetic valve I is connected with an oil inlet of a gearbox body through an oil inlet pipe II; the port B of the electromagnetic valve I is connected with an oil inlet pipe II through an oil inlet pipe III, and a cooler II is arranged on the oil inlet pipe III; an oil inlet of the hydraulic pump II is communicated with the gearbox body, an oil outlet of the hydraulic pump II is connected with a T port of the electromagnetic valve II through an oil outlet pipe I, a port A of the electromagnetic valve II is connected with an oil return tank through an oil return pipe, and a cooler I is arranged on the oil return pipe; the port B of the electromagnetic valve II is connected with an oil inlet pipe II through a pipeline, and a one-way valve is arranged on the pipeline; a temperature sensor I is arranged in the gearbox body, a temperature sensor II is arranged in the oil tank, and the temperature sensor I, the temperature sensor II, the electromagnetic valve I and the electromagnetic valve II are respectively connected with the electronic control unit.
In the lubricating and cooling device for the automatic gearbox, a pipeline for communicating the hydraulic pump I with the oil tank is provided with a coarse filter, and an oil inlet pipe I is provided with a fine filter; the oil inlet pipe I is connected with the oil return tank through an overflow pipe, and the overflow pipe is provided with an overflow valve.
A lubrication and cooling control method for an automatic transmission using the above lubrication and cooling apparatus for an automatic transmission, comprising the steps of:
(1) setting the upper limit of oil temperature to be T =115 ℃, monitoring the oil temperature T0 in the oil tank by the electronic control unit through a temperature sensor II, and monitoring the oil temperature T1 in the gearbox through a temperature sensor I;
(2) comparing the measured oil temperature T0 in the oil tank with the upper limit T of the oil temperature in real time; if T0 is larger than T, the electronic control unit controls the opening of the electromagnetic valve I B, oil pumped out by the hydraulic pump I enters the gearbox box body through the oil inlet pipe III and the oil inlet pipe II, otherwise, the electronic control unit controls the opening of the electromagnetic valve I A, and the oil pumped out by the hydraulic pump I enters the gearbox box body through the oil inlet pipe II;
(3) the oil temperature T1 in the gearbox and the oil temperature upper limit T are measured through real-time comparison, if T1 is larger than T, the electronic control unit controls the opening of the electromagnetic valve IIA, and oil pumped out by the hydraulic pump II flows back to the oil tank through an oil return pipe; otherwise, the electronic control unit controls the opening of the port IIB of the electromagnetic valve to be opened, and oil pumped out by the hydraulic pump II flows into the gearbox box body through a pipeline.
Compared with the prior art, the invention has the beneficial effects that:
according to the lubricating and cooling device of the automatic gearbox, the oil inlet and the oil outlet are respectively provided with the circulating cooling control loop, so that the working temperature and the lubricating efficiency of oil can be fully ensured even under severe working conditions, and the reduction of the lubricating efficiency of the oil and the aggravation of friction and abrasion of various parts due to overhigh oil temperature are avoided; meanwhile, the hydraulic system is provided with the two-position three-way electromagnetic valve, under the accurate control of the electric control unit, the oil meeting the working condition directly flows back to the lubricating port to continue working, the oil with proper temperature is prevented from flowing back to the oil tank, and the utilization rate of the oil and the working efficiency of the hydraulic system are greatly improved.
Drawings
FIG. 1 is a schematic diagram of an automatic transmission lubrication and cooling arrangement of the present invention.
FIG. 2 is a flow chart of the automatic transmission lubrication and cooling control method of the present invention.
In the figure, 1, an electronic control unit, 2, a motor II, 3, a hydraulic pump II, 4, a gearbox body, 5, a temperature sensor I, 6, a one-way valve, 7, a cooler II, 8, an energy accumulator, 9, a fine filter, 10, a motor I, 11, a hydraulic pump I, 12, a coarse filter, 13, an overflow valve, 14, an oil tank, 15, a temperature sensor II, 16, a cooler I, 17, an electromagnetic valve I, 18 and an electromagnetic valve II are arranged.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 1, the lubricating and cooling device of the automatic transmission comprises a transmission case 4, a hydraulic cooling control device and an electronic control unit 1, wherein the hydraulic cooling control device comprises an electromagnetic valve I16, an electromagnetic valve II 17, an accumulator 8, an oil tank 14, a hydraulic pump I11 and a hydraulic pump II 3; an oil inlet of the hydraulic pump I11 is communicated with an oil tank, and a coarse filter 12 is arranged on a communicated pipeline. The oil outlet of the hydraulic pump I11 is connected with the T port of the electromagnetic valve I17 through an oil inlet pipe I, and a fine filter 9 and an energy accumulator 8 are arranged on the oil inlet pipe I. The oil inlet pipe I is connected with an oil return tank 14 through an overflow pipe, and an overflow valve 13 is arranged on the overflow pipe. The port A of the electromagnetic valve I17 is connected with an oil inlet of the gearbox body 4 through an oil inlet pipe II; and the port B of the electromagnetic valve 117 is connected with an oil inlet pipe II through an oil inlet pipe III, and a cooler II 7 is arranged on the oil inlet pipe III.
The oil inlet of hydraulic pump II 3 communicate with gearbox housing 4, the oil-out of hydraulic pump II 3 passes through oil pipe I and connects the T mouth of II 18 of solenoid valve, the A mouth of II 18 of solenoid valve is through returning oil pipe even oil tank 14, is equipped with cooler I16 on returning oil pipe. And the port B of the electromagnetic valve II 18 is connected with an oil inlet pipe II through a pipeline, and the pipeline is provided with a one-way valve 6. A temperature sensor I5 is arranged in the gearbox body 4, a temperature sensor II 15 is arranged in the oil tank 14, and a temperature sensor I5, a temperature sensor II 15, an electromagnetic valve I17 and an electromagnetic valve II 18 are respectively connected with the electronic control unit 1. And the rotating shafts of the hydraulic pump I11 and the hydraulic pump II 3 are respectively connected with the output shafts of the motor I10 and the motor II 2.
As shown in fig. 2, the method for controlling lubrication and cooling of an automatic transmission of the present invention includes the steps of:
(1) setting the upper limit of oil temperature to be T =115 ℃, monitoring the oil temperature T0 in the oil tank by the electronic control unit 1 through a temperature sensor II 15, and monitoring the oil temperature T1 in the gearbox through a temperature sensor I5;
(2) comparing the measured oil temperature T0 in the oil tank with the upper limit T of the oil temperature in real time; if T0 is larger than T, the electronic control unit 1 controls the opening of the port B of the electromagnetic valve I17, oil pumped by the hydraulic pump I11 enters the gearbox box body through the oil inlet pipe III and the oil inlet pipe II, otherwise, the electronic control unit controls the opening of the port A of the electromagnetic valve I17, and the oil pumped by the hydraulic pump I11 enters the gearbox box body 4 through the oil inlet pipe II;
(3) the oil temperature T1 in the gearbox and the oil temperature upper limit T are measured through real-time comparison, if T1 is larger than T, the electronic control unit 1 controls the opening A of the electromagnetic valve II 18 to be opened, and oil pumped out by the hydraulic pump II flows back to the oil tank through an oil return pipe; otherwise, the electronic control unit controls the opening B of the electromagnetic valve II 18 to be opened, and oil pumped by the hydraulic pump II flows into the gearbox box body 4 through a pipeline.
Claims (3)
1. The utility model provides an automatic gearbox is lubricated and cooling device, includes gearbox box, hydraulic cooling controlling means and electronic control unit, characterized by: the hydraulic cooling control device comprises an electromagnetic valve I, an electromagnetic valve II, an energy accumulator, an oil tank, a hydraulic pump I and a hydraulic pump II; an oil inlet of the hydraulic pump I is communicated with an oil tank, an oil outlet of the hydraulic pump I is connected with a T port of the electromagnetic valve I through an oil inlet pipe I, and an energy accumulator is arranged on the oil inlet pipe I; the port A of the electromagnetic valve I is connected with an oil inlet of a gearbox body through an oil inlet pipe II; the port B of the electromagnetic valve I is connected with an oil inlet pipe II through an oil inlet pipe III, and a cooler II is arranged on the oil inlet pipe III; an oil inlet of the hydraulic pump II is communicated with the gearbox body, an oil outlet of the hydraulic pump II is connected with a T port of the electromagnetic valve II through an oil outlet pipe I, a port A of the electromagnetic valve II is connected with an oil return tank through an oil return pipe, and a cooler I is arranged on the oil return pipe; the port B of the electromagnetic valve II is connected with an oil inlet pipe II through a pipeline, and a one-way valve is arranged on the pipeline; a temperature sensor I is arranged in the gearbox body, a temperature sensor II is arranged in the oil tank, and the temperature sensor I, the temperature sensor II, the electromagnetic valve I and the electromagnetic valve II are respectively connected with the electronic control unit.
2. The automatic transmission lubricating and cooling apparatus of claim 1, wherein: a coarse filter is arranged on a pipeline for communicating the hydraulic pump I with the oil tank, and a fine filter is arranged on the oil inlet pipe I; the oil inlet pipe I is connected with the oil return tank through an overflow pipe, and the overflow pipe is provided with an overflow valve.
3. An automatic transmission lubrication and cooling control method using the automatic transmission lubrication and cooling device according to claim 1 or 2, comprising the steps of:
(1) setting the upper limit of oil temperature to be T =115 ℃, monitoring the oil temperature T0 in the oil tank by the electronic control unit through a temperature sensor II, and monitoring the oil temperature T1 in the gearbox through a temperature sensor I;
(2) comparing the measured oil temperature T0 in the oil tank with the upper limit T of the oil temperature in real time; if T0 is larger than T, the electronic control unit controls the opening of the electromagnetic valve I B, oil pumped out by the hydraulic pump I enters the gearbox box body through the oil inlet pipe III and the oil inlet pipe II, otherwise, the electronic control unit controls the opening of the electromagnetic valve I A, and the oil pumped out by the hydraulic pump I enters the gearbox box body through the oil inlet pipe II;
(3) the oil temperature T1 in the gearbox and the oil temperature upper limit T are measured through real-time comparison, if T1 is larger than T, the electronic control unit controls the opening of the electromagnetic valve IIA, and oil pumped out by the hydraulic pump II flows back to the oil tank through an oil return pipe; otherwise, the electronic control unit controls the opening of the port IIB of the electromagnetic valve to be opened, and oil pumped out by the hydraulic pump II flows into the gearbox box body through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011275115.3A CN112196989A (en) | 2020-11-16 | 2020-11-16 | Automatic gearbox lubricating and cooling device and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011275115.3A CN112196989A (en) | 2020-11-16 | 2020-11-16 | Automatic gearbox lubricating and cooling device and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112196989A true CN112196989A (en) | 2021-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011275115.3A Withdrawn CN112196989A (en) | 2020-11-16 | 2020-11-16 | Automatic gearbox lubricating and cooling device and control method |
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| Country | Link |
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| CN (1) | CN112196989A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114042711A (en) * | 2021-09-26 | 2022-02-15 | 广西科技大学 | Pre-lubricating and cleaning device for automatic gearbox of automobile |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000234669A (en) * | 1999-02-16 | 2000-08-29 | Mitsubishi Motors Corp | Lubricating oil control device |
| KR20020052288A (en) * | 2000-12-26 | 2002-07-04 | 이계안 | device for adjusting oil temperature of auto transmission |
| CN104279306A (en) * | 2014-10-11 | 2015-01-14 | 奇瑞汽车股份有限公司 | Hybrid power automobile gearbox unit cooling system and cooling method |
| CN105782421A (en) * | 2016-06-01 | 2016-07-20 | 姜恩松 | Wet dual-clutch transmission oil temperature auxiliary control system and control method |
| CN105972194A (en) * | 2016-06-28 | 2016-09-28 | 中车戚墅堰机车车辆工艺研究所有限公司 | Lubricating cooling system for vehicle gear box |
| CN106969137A (en) * | 2017-05-22 | 2017-07-21 | 徐工集团工程机械股份有限公司 | A kind of gearbox lubrication circuit system |
| CN206874599U (en) * | 2017-06-28 | 2018-01-12 | 安徽科技学院 | A kind of fluid torque-converter working oil liquid temperature-adjusting device |
| CN109611539A (en) * | 2018-12-17 | 2019-04-12 | 国电联合动力技术有限公司 | Intelligent protection device and its system, the unit and guard method of cooling and lubricating system |
| CN110748637A (en) * | 2019-10-29 | 2020-02-04 | 科力远混合动力技术有限公司 | Pressure control method of hydraulic system of hybrid power transmission |
-
2020
- 2020-11-16 CN CN202011275115.3A patent/CN112196989A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000234669A (en) * | 1999-02-16 | 2000-08-29 | Mitsubishi Motors Corp | Lubricating oil control device |
| KR20020052288A (en) * | 2000-12-26 | 2002-07-04 | 이계안 | device for adjusting oil temperature of auto transmission |
| CN104279306A (en) * | 2014-10-11 | 2015-01-14 | 奇瑞汽车股份有限公司 | Hybrid power automobile gearbox unit cooling system and cooling method |
| CN105782421A (en) * | 2016-06-01 | 2016-07-20 | 姜恩松 | Wet dual-clutch transmission oil temperature auxiliary control system and control method |
| CN105972194A (en) * | 2016-06-28 | 2016-09-28 | 中车戚墅堰机车车辆工艺研究所有限公司 | Lubricating cooling system for vehicle gear box |
| CN106969137A (en) * | 2017-05-22 | 2017-07-21 | 徐工集团工程机械股份有限公司 | A kind of gearbox lubrication circuit system |
| CN206874599U (en) * | 2017-06-28 | 2018-01-12 | 安徽科技学院 | A kind of fluid torque-converter working oil liquid temperature-adjusting device |
| CN109611539A (en) * | 2018-12-17 | 2019-04-12 | 国电联合动力技术有限公司 | Intelligent protection device and its system, the unit and guard method of cooling and lubricating system |
| CN110748637A (en) * | 2019-10-29 | 2020-02-04 | 科力远混合动力技术有限公司 | Pressure control method of hydraulic system of hybrid power transmission |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114042711A (en) * | 2021-09-26 | 2022-02-15 | 广西科技大学 | Pre-lubricating and cleaning device for automatic gearbox of automobile |
| CN114042711B (en) * | 2021-09-26 | 2024-01-23 | 广西科技大学 | Pre-lubrication and cleaning device for automatic gearbox of automobile |
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Application publication date: 20210108 |