CN208041113U - Double clutch gearbox hydraulic systems - Google Patents
Double clutch gearbox hydraulic systems Download PDFInfo
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- CN208041113U CN208041113U CN201820199374.4U CN201820199374U CN208041113U CN 208041113 U CN208041113 U CN 208041113U CN 201820199374 U CN201820199374 U CN 201820199374U CN 208041113 U CN208041113 U CN 208041113U
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Abstract
The utility model discloses a kind of double clutch gearbox hydraulic systems, working connection includes the first oil pump and accumulator and the first oil pump is connected to fuel tank, oil circuit in parallel is drawn from the position between the first oil pump and accumulator, oil circuit in parallel includes relief valve, odd number shafting oil road includes the first input oil pipe, first proportional pressure valve and the first output oil pipe, even number shafting oil road includes the second input oil pipe, second proportional pressure valve and the second output oil pipe, first input oil pipe and the second input oil pipe are drawn from the position between oil circuit in parallel and accumulator, first output oil pipe and the second output oil pipe may be contained within the inside of Clutch input shaft；Clutch lubrication cooling subsystem includes third input oil pipe, the second oil pump and third output oil pipe, and third input oil pipe is connected to fuel tank, and third output oil pipe is connected to clutch.Double clutch gearbox hydraulic systems of the utility model, production cost is relatively low, and has saved the space of DCT.
Description
Technical field
The utility model is related to hydraulic system technical fields, more particularly to a kind of double clutch gearbox hydraulic systems.
Background technology
Double clutch gearbox abbreviation DCT, full name in English be Dual Clutch Transmission because its have two groups from
Clutch, so there is person " double-clutch speed changer ".
Hydraulic system used by DCT will be realized simultaneously to the odd number axis of clutch and the control fuel feeding of even number axis and right
Three functions of lubrication of clutch.There are mainly two types of schemes for the hydraulic system of traditional DCT：
One, single oil pump provides oily used in odd number axis, even number axis and lubrication simultaneously, although the program is largely
Saved Hydraulic Elements, but on the one hand need oil pump that there is higher precision the control of clutch odd number axis and even number axis,
The continual fuel feeding of another aspect clutch lubrication cooling required oil pump so that oil pump loss aggravation reduces the precision of oil pump,
Self-contradictory two aspect improves the requirement to DCT control systems, so substantially increases the production cost of entire DCT；
Two, using three oil pumps respectively to the control of odd number axis, the control of even number axis and lubrication fuel feeding, although the program is controlled
The formulation of system processed is relatively simple, but needs three oil pumps and three mating micromotors, and occupied space is big and is produced into
This is higher.
Utility model content
Based on this, it is necessary to for the production cost height and occupied space present in the double clutch gearbox hydraulic systems of tradition
Big problem provides a kind of double clutch gearbox hydraulic systems to occupy little space and production cost is relatively low.
A kind of double clutch gearbox hydraulic systems, including mutually independent clutch control subsystem and clutch lubrication it is cold
But subsystem；
The clutch control subsystem includes working connection, odd number shafting oil road, even number shafting oil road and oil circuit in parallel, the master
Oil circuit includes interconnected the first oil pump and accumulator and first oil pump is connected to fuel tank, and the parallel connection oil circuit is parallel to
The working connection is simultaneously drawn from the position between first oil pump and the accumulator, and the parallel connection oil circuit includes pressure release
Valve, odd number shafting oil road include the first input oil pipe, the first proportional pressure valve and the first output oil pipe being mutually sequentially communicated,
Even number shafting oil road includes the second input oil pipe, the second proportional pressure valve and the second output oil pipe being mutually sequentially communicated, institute
The first input oil pipe and second input oil pipe are stated from the working connection and positioned at the oil circuit in parallel and the accumulator
Between position draw, first output oil pipe and second output oil pipe may be contained within the inside of Clutch input shaft and
It is connected to respectively with clutch odd number axis and clutch even number axis；
The clutch lubrication cooling subsystem includes third input oil pipe, the second oil pump and the third output being sequentially communicated
Oil pipe, the third input oil pipe are connected to the fuel tank, and the third output oil pipe is connected to the clutch.
Double clutch gearbox hydraulic systems provided by the utility model, using mutually independent clutch control subsystem with
Clutch lubrication cooling subsystem is lubricated cooling to clutch control fuel feeding and to clutch respectively, namely is respectively adopted
One oil pump and the second oil pump carry out fuel feeding and clutch lubrication cooling progress fuel feeding to clutch control respectively, compared to using single
The case where a oil pump cools down fuel feeding to odd number axis, even number axis and clutch lubrication simultaneously, relative reduction is to DCT control systems
It is required that so reduce the production cost of entire DCT, and compared to three oil pumps of use respectively to the control of odd number axis, even number axis
The case where control and lubrication fuel feeding, occupied space is relatively reduced, such production cost is relatively low；And due to odd number axis
First output oil pipe of oil circuit may be contained within the inside of Clutch input shaft with second output oil pipe on even number shafting oil road, further
The space of DCT is saved.
In one of the embodiments, when the accumulator need oil-filled pressurization when described in the first pump start, when described
First oil pump stops after accumulator reaches preset pressure；Second oil pump is in continue working state.
The working connection further includes check valve in one of the embodiments, and the check valve is located at the oil circuit in parallel
Extraction location and the extraction location on odd number shafting oil road and even number shafting oil road between.
Odd number shafting oil road includes first pressure sensor in one of the embodiments, the first pressure sensing
For device between first proportional pressure valve and first output oil pipe, even number shafting oil road includes second pressure sensing
Device, the second pressure sensor is between second proportional pressure valve and second output oil pipe.
The clutch control subsystem further includes third pressure sensor, the third in one of the embodiments,
Pressure sensor is set to first input oil pipe or second input oil pipe.
In one of the embodiments, first proportional pressure valve and second proportional pressure valve with the fuel tank
Connection.
The oil circuit in parallel is connected to the fuel tank in one of the embodiments,.
The clutch control subsystem further includes the first filter in one of the embodiments, first filtering
Device is between the fuel tank and first oil pump.
The clutch lubrication cooling subsystem includes final cleaner in one of the embodiments, second filter
Clear device is between the third input oil pipe and second oil pump.
The third output oil pipe is connected to after flowing through the clutch with the fuel tank in one of the embodiments,.
Description of the drawings
Fig. 1 is the fundamental diagram for double clutch gearbox hydraulic systems that one embodiment of the utility model provides.
Specific implementation mode
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can in many different forms come in fact
It is existing, however it is not limited to embodiment described herein.Make public affairs to the utility model on the contrary, purpose of providing these embodiments is
The understanding for opening content is more thorough and comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with the technology for belonging to the utility model
The normally understood meaning of technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes
Any and all combinations of one or more relevant Listed Items.
Refering to fig. 1, one preferred embodiment of the utility model provides a kind of double clutch gearbox hydraulic systems 100, including phase
Mutual independent clutch control subsystem 10 and clutch lubrication cooling subsystem 20, wherein clutch control subsystem 10 are used for
Fuel feeding controlled to clutch odd number axis a and clutch even number axis b, clutch lubrication cooling subsystem 20 be used for clutch c into
Row lubrication and cooling.
Clutch control subsystem 10 includes working connection 11, odd number shafting oil road 12, even number shafting oil road 13 and oil circuit 14 in parallel.
Working connection 11 includes the first oil pump 111 being interconnected and accumulator 112, the first oil pump 111 be connected to fuel tank d with
The oil in fuel tank d is extracted, accumulator 112 is responsible for providing pressure control and regulation to clutch odd number axis a and clutch even number axis b.
Oil circuit 14 in parallel it is in parallel with working connection 11 and from working connection 11 between the first oil pump 111 and accumulator 112
Position is drawn, and oil circuit 14 in parallel includes relief valve 141, and when the pressure of working connection 11 is more than preset value, relief valve 141 is responsible for
Entire clutch control subsystem 10 is protected.
Odd number shafting oil road 12 includes the first input oil pipe 121, the first proportional pressure valve 122 and first being mutually sequentially communicated
Output oil pipe 123, the first input oil pipe 121 are located at the position between oil circuit 14 and accumulator 112 in parallel from working connection 11 and draw,
First proportional pressure valve 122 is responsible for the control to clutch odd number axis a and carries out pressure adjusting, and the first output oil pipe 123 is set to
It the inside of Clutch input shaft and is connected to clutch odd number axis a.
Even number shafting oil road 13 includes the second input oil pipe 131, the second proportional pressure valve 132 and second being mutually sequentially communicated
Output oil pipe 133, the second input oil pipe 131 are located at the position between oil circuit 14 and accumulator 112 in parallel from working connection 11 and draw,
Specifically, the extraction location of the second input oil pipe 131 is identical as the extraction location of the first input oil pipe 121, the second ratio pressure
Valve 132 is responsible for the control to clutch even number axis b and carries out pressure adjusting, and the second output oil pipe 133 is set to Clutch input shaft
Inside and be connected to clutch even number axis b, specifically, the second output oil pipe 133 is defeated in clutch with the first output oil pipe 123
Enter in axis and is arranged in parallel.
Clutch lubrication cooling subsystem 20 is defeated including third input oil pipe 21, the second oil pump 22 and the third being sequentially communicated
Flowline 23, third input oil pipe 21 are connected to fuel tank d, and third output oil pipe 23 is connected to clutch c to give clutch c fuel feeding
And clutch c is lubricated and is cooled down.
Double clutch gearbox hydraulic systems 100 that the utility model embodiment provides, using mutually independent clutch control
Subsystem 10 is lubricated cooling to clutch control fuel feeding and to clutch respectively with clutch lubrication cooling subsystem 20,
Namely be respectively adopted the first oil pump 111 and the second oil pump 22 respectively to clutch control carry out fuel feeding and clutch lubrication cool down into
Row fuel feeding, compared to the feelings for cooling down fuel feeding to the control of odd number axis, the control of even number axis and clutch lubrication simultaneously using single oil pump
Condition, requirement of the relative reduction to DCT control systems so reduce the production cost of entire DCT, and compared to using three
The case where oil pump respectively controls odd number axis, even number axis controls and lubrication fuel feeding, relatively reduces occupied space, so raw
Produce advantage of lower cost；And due to the second output oil of first output oil pipe 123 on odd number shafting oil road 12 and even number shafting oil road 13
Pipe 133 may be contained within the inside of Clutch input shaft, further save the space of DCT.
In the present embodiment, the higher electronic oil pump of 111 choice accuracy of the first oil pump, the first oil pump 111 can should need to open
Dynamic, when accumulator 112 needs oil-filled pressurization, the first oil pump 111 starts, when accumulator 112 reaches preset pressure (authorized pressure)
The first oil pump 111 stops (i.e. the first oil pump 111 is in dormant state when flat) afterwards, reduces the loss of the first oil pump 111, realization
It is energy saving.The electronic oil pump that second oil pump, 22 choice accuracy is relatively low and price is relatively inexpensive, 22 continue working of the second oil pump is to give
Clutch c provides necessary lubrication flow, and since without other loads, then pressure can drop to most for the outlet of the second oil pump 22
It is low, to reduce the power loss of system.
Specifically, above-mentioned each component is connected to by oil pipe, such as between the first oil pump 111 and fuel tank d and accumulator 112
It is connected to by oil pipe, relief valve 141 is connected to by oil pipe with working connection 11.More specifically, clutch control subsystem 10 also wraps
The first filter 15 is included, the first filter 15 is provided between fuel tank d and the first oil pump 111, the oil in fuel tank d passes through first
Enter accumulator 112 by the first oil pump 111 after the filtering of filter 15.
In the present embodiment, main oil pipe 11 further includes check valve 113, and check valve 113 is located at the extraction position of oil circuit 14 in parallel
It sets between the extraction location on odd number shafting oil road 12 and even number shafting oil road 13, i.e., check valve 113 is installed on positioned at the first oil pump 111
On oil pipe between accumulator 112, and check valve 113 be located at odd number shafting oil road 12 and even number shafting oil road 13 extraction location and
Between the extraction location of oil circuit 14 in parallel, check valve 113 ensures that back flow reaction does not occur for working connection 11.
Specifically, oil circuit 14 in parallel is connected to fuel tank d, i.e., one end of relief valve 141 is connected to by oil pipe with working connection 11,
The other end of relief valve 141 is connected to by pipeline with fuel tank d.In the present embodiment, the first proportional pressure valve 122 can also be set
It is connected to fuel tank d with the second proportional pressure valve 132.In the present embodiment, above-mentioned fuel tank d is the same fuel tank d, fuel tank d
Structure be set as needed, in other embodiments, above-mentioned fuel tank d can not also use the same fuel tank d, such as the first oil pump
111 the fuel tank d different with two is connected to respectively from the second oil pump 22, and two different fuel tanks give the first oil pump 111 and the respectively
Two oil pumps, 22 fuel feeding.
In the present embodiment, odd number shafting oil road 12 includes first pressure sensor 124, and first pressure sensor 124 is located at
Between first proportional pressure valve 122 and the first output oil pipe 123, even number shafting oil road 13 include second pressure sensor 134, second
Pressure sensor 134 is between the second proportional pressure valve 132 and the second output oil pipe 133, first pressure sensor 124 and
Two pressure sensors 134 are respectively detected odd number shafting oil road 12 and the pressure on even number shafting oil road 13.Specifically, clutch control
Subsystem 10 further includes third pressure sensor 16, and it is defeated that third pressure sensor 16 is set to the first input oil pipe 121 or the second
Enter oil pipe 131, third pressure sensor 16 is responsible for being detected the pressure in working connection 11.
Further, clutch lubrication cooling subsystem 20 include final cleaner 24, final cleaner 24 be located at fuel tank d and
Between second oil pump 22, the oil in fuel tank d enters third by the second oil pump 22 after being filtered by the first filter 24 and exports oil
Pipe 23 flows into clutch c and is lubricated cooling to clutch c.Specifically, third output oil pipe 23 flow through after clutch c with fuel tank
D is connected to, in order to be reused to oil.
Double clutch gearbox hydraulic systems 100 that the utility model embodiment provides, clutch control subsystem 10 exist
When work, by oil pipe, the draw oil from fuel tank d, hydraulic oil pass through the first filter 15 to the inlet port of the first oil pump 111
Enter the first oil pump 111 after filtering, the oil outlet of the first oil pump 111 is connected to accumulator 112 by check valve 113, when first
When the output pressure of oil pump 111 is more than safety margins, relief valve 141 will be opened, and ensure that system is not in the feelings of pressure overload
Condition, when the output pressure of the first oil pump 111 is more than the pressure in accumulator 112, check valve 113 is opened, and hydraulic oil can be from
First oil pump 111 flows to accumulator 112, and accumulator 112 is used as an auxiliary energy source to exist in systems, and capacity compares
Greatly, can be that odd number shafting oil road 12 provides enough instantaneous working flows with even number shafting oil road 13, third pressure sensor 16 is negative
Duty is detected the pressure in working connection 11 and by pressure signal transmission to external control unit outside, the first proportional pressure valve
122 controls for being responsible for clutch odd number axis a carry out pressure adjusting, pressure of the first pressure sensor 124 to odd number shafting oil road 12
Power is detected and by pressure signal transmission to external control unit outside, and hydraulic oil is output to odd number axis by the first output oil pipe 123
Control, the second proportional pressure valve 132 are responsible for the control to clutch even number axis b and carry out pressure adjusting, second pressure sensor 134
The pressure on dual numbers shafting oil road 13 is detected and by pressure signal transmission to external control unit outside, and the second output oil pipe 133 will
Hydraulic oil is output to the control of even number axis.
At work, the inlet port of the second oil pump 22 passes through third input oil pipe 21 to its clutch lubrication cooling subsystem 20
The draw oil from fuel tank d, hydraulic oil enter the second oil pump 22 after the filtering of final cleaner 24, and hydraulic oil is oily from second
The oil outlet of pump 22 is flowed into third output oil pipe 23 and flows to clutch c by third output oil pipe 23.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of double clutch gearbox hydraulic systems, which is characterized in that including mutually independent clutch control subsystem and from
Clutch lubrication subsystem；
The clutch control subsystem includes working connection, odd number shafting oil road, even number shafting oil road and oil circuit in parallel, the working connection
Including interconnected the first oil pump and accumulator, and first oil pump is connected to fuel tank, and the parallel connection oil circuit is parallel to institute
It states working connection and is drawn from the position between first oil pump and the accumulator, the parallel connection oil circuit includes pressure release
Valve, odd number shafting oil road include the first input oil pipe, the first proportional pressure valve and the first output oil pipe being mutually sequentially communicated,
Even number shafting oil road includes the second input oil pipe, the second proportional pressure valve and the second output oil pipe being mutually sequentially communicated, institute
The first input oil pipe and second input oil pipe are stated from the working connection and positioned at the oil circuit in parallel and the accumulator
Between position draw, first output oil pipe and second output oil pipe may be contained within the inside of Clutch input shaft and
It is connected to respectively with clutch odd number axis and clutch even number axis；
The clutch lubrication cooling subsystem includes third input oil pipe, the second oil pump and third the output oil being sequentially communicated
Pipe, the third input oil pipe are connected to the fuel tank, and the third output oil pipe is connected to the clutch.
2. double clutch gearbox hydraulic systems according to claim 1, which is characterized in that when accumulator needs are oil-filled
First pump start described in when pressurization, first oil pump stops after the accumulator reaches preset pressure；Second oil
Pump is in continue working state.
3. double clutch gearbox hydraulic systems according to claim 1, which is characterized in that the working connection further includes unidirectional
Valve, the check valve are located at the extraction of the extraction location and odd number shafting oil road and even number shafting oil road of the oil circuit in parallel
Between position.
4. double clutch gearbox hydraulic systems according to claim 1, which is characterized in that odd number shafting oil road includes the
One pressure sensor, the first pressure sensor between first proportional pressure valve and first output oil pipe,
Even number shafting oil road includes second pressure sensor, and the second pressure sensor is located at second proportional pressure valve and institute
It states between the second output oil pipe.
5. according to the double clutch gearbox hydraulic systems of claim 1-4 any one of them, which is characterized in that the clutch control
Subsystem further includes third pressure sensor, and the third pressure sensor is set to first input oil pipe or described second
Input oil pipe.
6. double clutch gearbox hydraulic systems according to claim 1, which is characterized in that first proportional pressure valve with
Second proportional pressure valve is connected to the fuel tank.
7. double clutch gearbox hydraulic systems according to claim 1, which is characterized in that the parallel connection oil circuit and the oil
Case is connected to.
8. double clutch gearbox hydraulic systems according to claim 1, which is characterized in that the clutch control subsystem
Further include the first filter, first filter is between the fuel tank and first oil pump.
9. double clutch gearbox hydraulic systems according to claim 1, which is characterized in that clutch lubrication cooling
System includes final cleaner, and the final cleaner is between the third input oil pipe and second oil pump.
10. double clutch gearbox hydraulic systems according to claim 8, which is characterized in that the third output oil pipe stream
It is connected to the fuel tank after crossing the clutch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820199374.4U CN208041113U (en) | 2018-02-05 | 2018-02-05 | Double clutch gearbox hydraulic systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820199374.4U CN208041113U (en) | 2018-02-05 | 2018-02-05 | Double clutch gearbox hydraulic systems |
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| Publication Number | Publication Date |
|---|---|
| CN208041113U true CN208041113U (en) | 2018-11-02 |
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ID=63951722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820199374.4U Active CN208041113U (en) | 2018-02-05 | 2018-02-05 | Double clutch gearbox hydraulic systems |
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| Country | Link |
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| CN (1) | CN208041113U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112065936A (en) * | 2020-08-31 | 2020-12-11 | 安徽江淮汽车集团股份有限公司 | Two separation and reunion two-gear gearbox and electric automobile |
| CN113606265A (en) * | 2021-08-13 | 2021-11-05 | 安徽江淮汽车集团股份有限公司 | Clutch control system of hybrid power transmission |
-
2018
- 2018-02-05 CN CN201820199374.4U patent/CN208041113U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112065936A (en) * | 2020-08-31 | 2020-12-11 | 安徽江淮汽车集团股份有限公司 | Two separation and reunion two-gear gearbox and electric automobile |
| CN113606265A (en) * | 2021-08-13 | 2021-11-05 | 安徽江淮汽车集团股份有限公司 | Clutch control system of hybrid power transmission |
| CN113606265B (en) * | 2021-08-13 | 2022-06-21 | 安徽江淮汽车集团股份有限公司 | Clutch control system of hybrid power transmission |
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