CN107255158B - A kind of two-speed automatic transmission for pure electric vehicles hydraulic valve plate - Google Patents
A kind of two-speed automatic transmission for pure electric vehicles hydraulic valve plate Download PDFInfo
- Publication number
- CN107255158B CN107255158B CN201710433485.7A CN201710433485A CN107255158B CN 107255158 B CN107255158 B CN 107255158B CN 201710433485 A CN201710433485 A CN 201710433485A CN 107255158 B CN107255158 B CN 107255158B
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- Prior art keywords
- mounting hole
- valve mounting
- oil circuit
- valve plate
- hydraulic
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Classifications
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0262—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being hydraulic
- F16H61/0276—Elements specially adapted for hydraulic control units, e.g. valves
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/0003—Arrangement or mounting of elements of the control apparatus, e.g. valve assemblies or snapfittings of valves; Arrangements of the control unit on or in the transmission gearbox
- F16H61/0009—Hydraulic control units for transmission control, e.g. assembly of valve plates or valve units
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0262—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being hydraulic
- F16H61/0276—Elements specially adapted for hydraulic control units, e.g. valves
- F16H2061/0279—Details of hydraulic valves, e.g. lands, ports, spools or springs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
Abstract
The present invention relates to a kind of two-speed automatic transmission for pure electric vehicles hydraulic valve plate, valve plate is a block structure, can be divided into two parts, is respectively used to fuel feeding pressure regulation and flow control system component and clutch gear-shift control system component in bearing hydraulic system;This structure is integrated by way of constructing space oil circuit and being subject to external block.The structures such as oil circuit, throttle orifice and each hydraulic valve seat in valve plate are realized by punching in valve plate.The direction of hydraulic oil is uniquely controlled by the spatial position and connection relationship of oil circuit in valve plate.A kind of two-speed automatic transmission for pure electric vehicles hydraulic valve plate of the present invention, using one piece of formula valve plate, leakage rate is small, the pressure loss is small so as to improving pressure response precision.
Description
Technical field
The present invention relates to a kind of hydraulic control system of vehicle, more particularly to a kind of pure electric automobile two-speed automatic transmission
Hydraulic valve plate belongs to hydraulic transmission technology field.
Background technique
Automatic transmission is the important component of automobile power assembly, and executing agency is driven by hydraulic system mostly
It is dynamic.Therefore, the performance of hydraulic system is the direct factor for influencing automatic transmission shift quality.It is important as automatic transmission
Executing agency, the requirement to hydraulic system are that structure simple, light weight, response are fast, at the same also want can to guarantee it is sufficiently high can
By property.
Conventional fuel oil gear-change of automatic transmissions of motor vehicles bits number is more, and hydraulic system valve body is more and oil circuit is complicated, therefore,
Multi-block valve board structure is mostly used, is made of upper valve plate, lower valve plate and intermediate bulkhead.The trend of hydraulic circuit is by upper lower valve plate table
The collective effect of the oil groove in face and intermediate bulkhead determines.This valve plate has that the processing is simple, oil circuit shape is freely changeable excellent
Point.But meanwhile multi-block valve plate has the shortcomings that inevitable, i.e. early development stage and small lot production phase cost is non-
Chang Gao, and multi-panel fitting leakage rate is big, at high cost, pressure response delay etc. high to contact surface roughness requirements.
New-energy automobile (containing pure electric automobile) is on the low side with automatic transmission gear number, is set in such cases using one piece of formula
Meter advantageously, greatly reduces the technical difficulty and development cost of anti-leak.One piece of formula valve plate is first by all hydraulic system
Part is assemblied in one piece of valve plate, and the connection between oil circuit is punched by ecto-entad and realized.Compared with multi-block valve plate, one piece of formula
Valve plate difficulty of processing is low, leakage is small, the pressure loss is small and pressure response improves.
Pass through in addition, straight drive magnetic valve can permit very big shift control flow, with traditional second level pilot control electricity
Magnet valve, which is compared, has structure simple, and leakage is small, responds fast advantage.
It is embedded in the design scheme of straight drive magnetic valve using one piece of formula valve plate, the complicated journey of hydraulic system can be greatly simplified
Degree, saving, the energy is light-weighted while also improving the shift quality of automatic transmission.It is big in pure electric automobile field in this way
Range promote and apply a possibility that it is very high, can faster industrialization and the marketization, thus have bigger feasibility.
Summary of the invention
(1) purpose
The purpose of the present invention is to provide a kind of two-speed automatic transmission for pure electric vehicles hydraulic valve plate, valve plate uses one
Block structure replaces the structure of traditional valve plate multi-block, leaks the good mesh of small, compact-sized, at low cost and pressure response to reach
's.A structure is simple so as to providing for pure electric automobile speed changer, and can the good hydraulic system structure of shift quality.
(2) technical solution
A kind of two-speed automatic transmission for pure electric vehicles hydraulic valve plate, fuel feeding pressure regulation and flow control in bearing hydraulic system
All components of system processed and clutch gear-shift control system.Valve plate uses a block structure, this structure passes through construction space oil
The mode that road is subject to external closure is integrated.The structures such as oil circuit, throttle orifice and each hydraulic valve seat in valve plate by
It punches and realizes in valve plate.The direction of hydraulic oil is uniquely controlled by the spatial position and connection relationship of oil circuit in valve plate.
A kind of two-speed automatic transmission for pure electric vehicles hydraulic valve plate of the present invention, is a block structure, can be divided into
Two parts are respectively used to fuel feeding pressure regulation and flow control system component and clutch gear-shift control system in bearing hydraulic system
Component.Wherein a part for fuel feeding pressure regulation and flow control system component in bearing hydraulic system, specifically include: oil pump goes out
Mouth, main oil pressure regulating valve mounting hole 9, flow control valve mounting hole 10, throttle orifice 15, the first oil circuit 1, the second oil circuit 2, cooling profit
Lubricating oil road.The main oil pressure regulating valve mounting hole 9 and flow control valve mounting hole 10 by the first oil circuit 1 with fuel pump outlet simultaneously
Connection, main oil pressure regulating valve mounting hole 9 are connected by the second oil circuit 2 with the control terminal of flow control valve mounting hole 10.The throttling
The both ends in hole 15 are connected with 10 both ends of flow control valve mounting hole respectively.
Wherein for carrying a part of clutch gear-shift control system component, specifically include: the first gearshift magnetic valve peace
Fill hole 11, the second gearshift magnetic valve mounting hole 12, safety valve mounting hole 13, the first check valve mounting hole 7, second one-way valve installation
Hole 14, third oil circuit 3, the 4th oil circuit 4, the 5th oil circuit 5, the 6th oil circuit 6.The first gearshift magnetic valve mounting hole 11, second
The input terminal of gearshift magnetic valve mounting hole 12 is in parallel with fuel pump outlet by the first oil circuit 1.The first solenoid valve mounting hole
11 output end is connected by third oil circuit 3 with the first entrance a (as shown in Figure 5 a) of safety valve mounting hole 13, second electricity
Magnet valve mounting hole 12 is connected by the 4th oil circuit 4 with the second entrance b (as shown in Figure 5 a) of safety valve mounting hole 13.The safety
First output port c of the valve mounting hole 13 control terminal phase (as shown in Figure 5 a) that hydraulic shift cylinders are kept off by the 5th oil circuit 5 and 1
Even.Meanwhile the 5th oil circuit 5 pass through second delivery outlet d (as shown in Figure 5 a) phase of the first unidirectional valve opening 7 and safety valve mounting hole 13
Even.Second delivery outlet d of the safety valve mounting hole 13 is connected by the control terminal that the 6th oil circuit 6 and 2 keeps off hydraulic shift cylinders.Together
When, the 6th oil circuit 6 is connected by the first check valve mounting hole 7 with the first delivery outlet c of safety valve mounting hole 13.
In the premise for not changing the connected relation between the intracorporal all oil circuits of valve, solenoid valve and mechanical valve mounting hole etc.
Under, the position of all mounting holes, oil circuit in valve body can be with flexible arrangement.And do not changing all oil circuits and installation
Under the premise of hole and its connected relation, can the outer surface to valve plate carry out material loss of weight.(3) the beneficial effects of the present invention are:
A kind of two-speed automatic transmission for pure electric vehicles hydraulic valve plate of the present invention is let out using one piece of formula valve plate
Leakage quantity is small, the pressure loss is small so as to improving pressure response precision.
Detailed description of the invention
Fig. 1 is a kind of axonometric drawing of two-speed automatic transmission for pure electric vehicles hydraulic valve plate of the present invention.
Fig. 2 is a kind of echelon sectional view of two-speed automatic transmission for pure electric vehicles hydraulic valve plate of the present invention.
Fig. 3 is a kind of front view of two-speed automatic transmission for pure electric vehicles hydraulic valve plate of the present invention.
Fig. 4 is a kind of bottom view of two-speed automatic transmission for pure electric vehicles hydraulic valve plate of the present invention.
Fig. 5 a, b are a kind of safe valve plate partial cutaway of two-speed automatic transmission for pure electric vehicles hydraulic valve plate of the present invention
View.
In figure: 1 first oil circuit;2 second oil circuits;3 third oil circuits;4 the 4th oil circuits;5 the 5th oil circuits;6 the 6th oil circuits;7
One check valve mounting hole;8 oil feed pumps;9 main oil pressure regulating valve mounting holes;10 flow control valve mounting holes;11 first shift electromagnetism
Valve mounting hole;12 second gearshift magnetic valve mounting holes;13 safety valve mounting holes;14 second one-way valve mounting holes;15 throttle orifices;16
Cooling and lubricating oil circuit.
A first entrance;B second entrance;The first delivery outlet of c;The second delivery outlet of d.
Specific embodiment
Technical solution of the present invention is further described with reference to the accompanying drawing, but claimed range is not limited to institute
It states.
As shown in Figures 1 to 5, a kind of two-speed automatic transmission for pure electric vehicles hydraulic valve plate of the present invention is one piece of formula
Structure can be divided into two parts, be respectively used in bearing hydraulic system fuel feeding pressure regulation and flow control system component and from
Clutch shifting control system component.Wherein for fuel feeding pressure regulation in bearing hydraulic system and one of flow control system component
Point, it specifically includes: fuel pump outlet, main oil pressure regulating valve mounting hole 9, flow control valve mounting hole 10, throttle orifice 15, the first oil circuit
1, the second oil circuit 2, cooling and lubricating oil circuit.The main oil pressure regulating valve mounting hole 9 and flow control valve mounting hole 10 pass through first
Oil circuit 1 is in parallel with fuel pump outlet, and main oil pressure regulating valve mounting hole 9 passes through the second oil circuit 2 and flow control valve mounting hole 10
Control terminal is connected.The both ends of the throttle orifice 15 are connected with 10 both ends of flow control valve mounting hole respectively.
Wherein for carrying a part of clutch gear-shift control system component, specifically include: the first gearshift magnetic valve peace
Fill hole 11, the second gearshift magnetic valve mounting hole 12, safety valve mounting hole 13, the first check valve mounting hole 7, second one-way valve installation
Hole 14, third oil circuit 3, the 4th oil circuit 4, the 5th oil circuit 5, the 6th oil circuit 6.The first gearshift magnetic valve mounting hole 11, second
The input terminal of gearshift magnetic valve mounting hole 12 is in parallel with fuel pump outlet by the first oil circuit 1.The first solenoid valve mounting hole
11 output end is connected by third oil circuit 3 with the first entrance a (as shown in Figure 5 a) of safety valve mounting hole 13, second electricity
Magnet valve mounting hole 12 is connected by the 4th oil circuit 4 with the second entrance b (as shown in Figure 5 a) of safety valve mounting hole 13.The safety
First delivery outlet c of valve mounting hole 13 control terminal (as shown in Figure 5 a) for keeping off hydraulic shift cylinders by the 5th oil circuit 5 and 1 is connected.
Meanwhile the 5th oil circuit 5 be connected with the second delivery outlet d (as shown in Figure 5 a) of safety valve mounting hole 13 by the first unidirectional valve opening 7.
Second delivery outlet d of the safety valve mounting hole 13 is connected by the control terminal that the 6th oil circuit 6 and 2 keeps off hydraulic shift cylinders.Meanwhile
6th oil circuit 6 is connected by the first check valve mounting hole 7 with the first delivery outlet c of safety valve mounting hole 13.
In the premise for not changing the connected relation between the intracorporal all oil circuits of valve, solenoid valve and mechanical valve mounting hole etc.
Under, the position of all mounting holes, oil circuit in valve body can change;Moreover, not changing all oil circuits and mounting hole
And its under the premise of connected relation, can the outer surface to valve plate carry out material loss of weight, the embodiment of valve plate is had
A variety of, all embodiments obtain valve board structure in claims of the invention.
Valve plate three-dimensional structure of the invention can be because of the change of the design requirements such as specific solenoid valve, mechanical valve or local oil circuit
Change and be varied, under the premise of the basic function of maintenance realization cooling and lubricating and two gears is constant, can obtain more
Valve plate three-dimensional structure of the kind implementer's case to obtain is in claims of the invention;
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (1)
1. a kind of two-speed automatic transmission for pure electric vehicles hydraulic valve plate, it is characterised in that: valve plate is a block structure, is divided
For two parts, being respectively used to fuel feeding pressure regulation and the control of flow control system component and clutch gear-shift in bearing hydraulic system is
System component;
Wherein a part for fuel feeding pressure regulation and flow control system component in bearing hydraulic system, specifically include: oil pump goes out
Mouth, main oil pressure regulating valve mounting hole (9), flow control valve mounting hole (10), throttle orifice (15), the first oil circuit (1), the second oil circuit
(2), cooling and lubricating oil circuit;The main oil pressure regulating valve mounting hole (9) and flow control valve mounting hole (10) pass through the first oil circuit
(1) in parallel with fuel pump outlet, main oil pressure regulating valve mounting hole (9) passes through the second oil circuit (2) and flow control valve mounting hole
(10) control terminal is connected;The both ends of the throttle orifice (15) are connected with flow control valve mounting hole (10) both ends respectively;
Wherein for carrying a part of clutch gear-shift control system component, specifically include: the first gearshift magnetic valve mounting hole
(11), the second gearshift magnetic valve mounting hole (12), safety valve mounting hole (13), the first check valve mounting hole (7), second one-way valve
Mounting hole (14), third oil circuit (3), the 4th oil circuit (4), the 5th oil circuit (5), the 6th oil circuit (6);First gearshift magnetic valve
Mounting hole (11), the input terminal of the second gearshift magnetic valve mounting hole (12) are in parallel with fuel pump outlet by the first oil circuit (1);Institute
The output end for stating the first gearshift magnetic valve mounting hole (11) passes through third oil circuit (3) and safety valve mounting hole (13) first entrance phase
Even, the second gearshift magnetic valve mounting hole (12) passes through the second entrance phase of the 4th oil circuit (4) and safety valve mounting hole (13)
Even;The control terminal phase that first delivery outlet of the safety valve mounting hole (13) passes through the 5th oil circuit (5) and 1 gear hydraulic shift cylinders
Even;Meanwhile the 5th oil circuit (5) be connected with the second delivery outlet of safety valve mounting hole (13) by the first check valve mounting hole (7);
Second delivery outlet of the safety valve mounting hole (13) is connected by the 6th oil circuit (6) with the control terminal of 2 gear hydraulic shift cylinders;Together
When, the 6th oil circuit (6) is connected by the first check valve mounting hole (7) with the first delivery outlet of safety valve mounting hole (13).
Priority Applications (1)
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CN201710433485.7A CN107255158B (en) | 2017-06-09 | 2017-06-09 | A kind of two-speed automatic transmission for pure electric vehicles hydraulic valve plate |
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CN201710433485.7A CN107255158B (en) | 2017-06-09 | 2017-06-09 | A kind of two-speed automatic transmission for pure electric vehicles hydraulic valve plate |
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CN107255158A CN107255158A (en) | 2017-10-17 |
CN107255158B true CN107255158B (en) | 2019-01-11 |
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CN201710433485.7A Active CN107255158B (en) | 2017-06-09 | 2017-06-09 | A kind of two-speed automatic transmission for pure electric vehicles hydraulic valve plate |
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Families Citing this family (4)
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CN107631026A (en) * | 2017-10-25 | 2018-01-26 | 中国第汽车股份有限公司 | The safety valve and screen pack integrating device of hydraulic control valve plate |
CN107762992B (en) * | 2017-10-31 | 2023-09-08 | 中国第一汽车股份有限公司 | Support type hydraulic partition board |
CN108220708B (en) * | 2018-01-25 | 2020-04-07 | 布赫液压(无锡)有限公司 | Preparation method of die-casting aluminum pump seat for hydraulic power unit |
CN108825772B (en) * | 2018-08-27 | 2023-06-16 | 江西鼎盛新材料科技有限公司 | Hydraulic valve plate assembly for hybrid power synthesis box of new energy automobile |
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JP3333064B2 (en) * | 1995-06-12 | 2002-10-07 | 株式会社クボタ | Valve system |
CN1149539A (en) * | 1995-10-27 | 1997-05-14 | 欧阳抗美 | Automobile electronic automatic speed change control valve integrated block |
CN2540535Y (en) * | 2002-05-05 | 2003-03-19 | 浙江临海海宏集团有限公司 | Electrohydraulic control variable-speed application valve |
CN2617982Y (en) * | 2003-05-13 | 2004-05-26 | 浙江临海海宏集团有限公司 | Two front and one rear electric and hydraulic speed control valve |
CN202579986U (en) * | 2012-01-05 | 2012-12-05 | 广西柳工机械股份有限公司 | Electric-hydraulic proportional variable speed operating valve |
CN203272765U (en) * | 2013-05-24 | 2013-11-06 | 杭州前进齿轮箱集团股份有限公司 | Multi-gear single-pull-rod shift valve |
CN103334977A (en) * | 2013-07-24 | 2013-10-02 | 合肥协力仪表控制技术股份有限公司 | Electro-hydraulic control valve for gearbox of tractor |
DE102014207808A1 (en) * | 2014-04-25 | 2015-10-29 | Zf Friedrichshafen Ag | Hydraulic system of a transmission with several pressure control valves |
CN106678357B (en) * | 2017-01-22 | 2018-03-16 | 北京航空航天大学 | A kind of pure electric automobile two-shift automatic speed variator hydraulic system |
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