CN209164569U - Automatic gear-box and automobile - Google Patents

Abstract

The utility model relates to a kind of automatic gear-box and automobiles.The automatic gear-box includes gear box, electronic control unit and the hydraulic control valve body being set in gear box, and hydraulic control valve body shifts gears component actuation for controlling each oil circuit switching and oil pressure in automatic gear-box to realize speed change；Hydraulic control valve body includes multiple solenoid valves, and solenoid valve is adjusted oil pressure shift component for receiving the control signal from electronic control unit, solenoid valve at least one be normal high magnetic valve；Automatic gear-box further includes having automatic start-stop system, and automatic start-stop system includes accumulator, and accumulator is used to power to the automatic gear-box.

Description

Automatic gear-box and automobile

Technical field

The utility model relates to automobile gearbox technical fields, and in particular, to a kind of automatic gear-box and automobile.

Background technique

Automatic gear-box is that the one kind occurred relative to manual transmission can be automatically according to automobile speed and engine Revolving speed carries out the speed change gear of self shifter manipulation.Automatic gearbox of vehicles common are four kinds of patterns at present, be liquid respectively Power automatic gear-box (AT), mechanical stepless automatic gear-box (CVT), electric-controlled mechanical automatic gear-box (AMT) and double clutches are automatic Gearbox.

Wherein hydraulic automatic gearbox (AT) realizes fluid drive by way of hydraulic power and planetary gear combination, Generally by the devices group such as fluid torque-converter, planetary gear mechanism, gear shifting actuating mechanism, shifting control system, shift control mechanism At.

Hydraulic automatic gearbox (AT) does not have to clutch gear-shift, and gear changes greatly less, and connection is steady, therefore operates and be easy, Both it brought convenience to the driver, was also brought comfortably to people by bus.But still there is oil in existing hydraulic automatic gearbox (AT) Consumption is big, the uneconomic problem of excessive fuel consumption.

Utility model content

In order to improve the deficiencies in the prior art, the purpose of this utility model is to provide a kind of automatic gear-box and vapour Vehicle, to solve existing hydraulic automatic gearbox (AT) existing in the prior art, still that there are oil consumption is big, and excessive fuel consumption is uneconomic Technical problem.

A kind of automatic gear-box in an embodiment of the present invention, there is provided, the automatic gear-box include gearbox Cabinet, electronic control unit and the hydraulic control valve body being set in the gear box, the hydraulic control valve body are used Component actuation is shifted gears in controlling each oil circuit switching and oil pressure in the automatic gear-box to realize speed change；

The hydraulic control valve body includes multiple solenoid valves, and the solenoid valve is single from the electronic control for receiving Member control signal to the oil pressure shift component be adjusted, the solenoid valve at least one be normal high magnetic valve；

The automatic gear-box further includes having automatic start-stop system, and the automatic start-stop system includes accumulator, described Accumulator is used to power to the automatic gear-box.

Preferably, the hydraulic control valve body includes to wear cylinder connector, and the cylinder connector of wearing connects the solenoid valve With electronic control unit, the cylinder connector of wearing receives the control signal from the electronic control unit, and controls the electricity The opening and closing of magnet valve.

Preferably, the electronic control unit is TCU.

Preferably, the quantity of the solenoid valve is 5, respectively B1 brake solenoid valve, C1 clutch solenoid valve, C2 Clutch solenoid valve, C3 clutch solenoid valve and C4 clutch solenoid valve, wherein at least one solenoid valve are normal high magnetic valve, Other solenoid valves are normal-low magnetic valve.

Preferably, the B1 brake solenoid valve is normal high magnetic valve.

Preferably, the quantity of the normal high magnetic valve is two.

Preferably, the B1 brake solenoid valve and C4 clutch solenoid valve are normal high magnetic valve.

Preferably, the automatic gear-box further includes having solenoid valve shield, and the solenoid valve shield is described for being wrapped in The periphery of solenoid valve；

The solenoid valve shield includes shield ontology, and there are protect between the solenoid valve for the inner wall of the shield ontology The spatial joint clearance at interval is held,

At least one oil liquid progress aerial drainage for leaking the solenoid valve is offered on the wall body of the shield ontology Discharge orifice；

The shield body internal surface is covered at least one layer of for being isolated and cutting down the noise reduction layer of solenoid valve noise.

Preferably, the noise reduction layer is multilayer, and the thickness distribution of the noise reduction layer is irregular.

A kind of automobile in an embodiment of the present invention, there is provided, the automobile include fluid drive as described above Case.

Automatic gear-box provided by the utility model comprising have gear box, electronic control unit and be set to Hydraulic control valve body in the gear box, the hydraulic control valve body is for controlling each oil circuit in the automatic gear-box Switching and oil pressure shift component actuation are to realize speed change；The hydraulic control valve body includes multiple solenoid valves, the solenoid valve Oil pressure shift component is adjusted for receiving the control signal from the electronic control unit, the solenoid valve is extremely Rare one is normal high magnetic valve；The automatic gear-box further includes having automatic start-stop system, and the automatic start-stop system includes There is accumulator, the accumulator is used to power to the automatic gear-box.Used by existing hydraulic automatic gearbox (AT) Gearshift magnetic valve is all normal-low magnetic valve, the characteristic curve of normal-low magnetic valve as shown in Fig. 2, pressure with electromagnetic valve current increasing Increase greatly, i.e., when electric current reaches maximum value 1500mA, pressure reaches 20bar, and solenoid valve is completely closed；And normal high magnetic valve Characteristic curve is as shown in figure 3, pressure reduces with the increase of electromagnetic valve current, i.e., when electric current is 0, pressure can be arrived 20bar, solenoid valve is completely closed, by the change of the operating mode of solenoid valve, can reduce the output of electric current, to reduce oil Consumption；And the automatic start-stop system of existing hydraulic automatic gearbox (AT) generallys use start and stop electric pump and supplies automatic gear-box Electricity, and automatic gear-box provided by the utility model powers to automatic gear-box using accumulator, further reduced power consumption, makes The overall power for obtaining automatic gear-box is smaller, and more energy saving, use cost is lower.

Automobile provided by the utility model comprising have automatic gear-box as described above.Pass through the gearbox to automobile Solenoid valve change, change the change of the operating mode of solenoid valve, can reduce the output of electric current, to reduce oil consumption； And it is powered using accumulator to automatic gear-box, further reduced power consumption, so that the overall power of automatic gear-box is smaller, More energy saving, use cost is lower.

Detailed description of the invention

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the solenoid valve of automatic gear-box provided by the utility model and the connection schematic diagram of electronic control unit；

Fig. 2 is the performance diagram of normal-low magnetic valve；

Fig. 3 is the performance diagram of normal high magnetic valve.

Icon: 1- solenoid valve；2- electronic control unit.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.

In the description of the present invention, it should be noted that term such as occur "center", "upper", "lower", " left side ", " right side ", "vertical", "horizontal", "inner", "outside" etc., indicated by orientation or positional relationship be orientation based on the figure or Positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or member of indication or suggestion meaning Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention. In addition, such as there is term " first ", " second ", " third " are used for description purposes only, be not understood to indicate or imply phase To importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term is " even It is logical ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in utility model.

The utility model provides a kind of automatic gear-box and automobile, and provides embodiments thereof.

As shown in Figure 1, automatic gear-box provided by the utility model comprising have gear box, electronic control unit 2 And it is set to the hydraulic control valve body in gear box, hydraulic control valve body is cut for controlling each oil circuit in automatic gear-box It changes with oil pressure shift component actuation to realize speed change；Hydraulic control valve body includes multiple solenoid valves 1, and solenoid valve 1 is for receiving Control signal from electronic control unit 2 to oil pressure shift component be adjusted, solenoid valve 1 at least one be Chang Gao electricity Magnet valve 1；Automatic gear-box further includes having automatic start-stop system, and automatic start-stop system includes accumulator, and accumulator is used for certainly Dynamic gearbox power supply.Gearshift magnetic valve 1 used by existing hydraulic automatic gearbox (AT) is all normal-low magnetic valve 1, often low The characteristic curve of solenoid valve 1 is as shown in Fig. 2, pressure increases with the increase of 1 electric current of solenoid valve, i.e., when electric current reaches maximum value 1500mA, pressure reach 20bar, and solenoid valve 1 is completely closed；And the characteristic curve of normal high magnetic valve 1 as shown in figure 3, pressure with The increase of 1 electric current of solenoid valve and reduce, i.e., when electric current be 0 when, pressure can arrive 20bar, and solenoid valve 1 is completely closed, pass through The change of the operating mode of solenoid valve 1, can reduce the output of electric current, to reduce oil consumption；And existing hydraulic automatic becomes The automatic start-stop system of fast case (AT) generallys use start and stop electric pump and powers to automatic gear-box, and provided by the utility model automatic Gearbox powers to automatic gear-box using accumulator, further reduced power consumption, so that the overall power of automatic gear-box is more Small, more energy saving, use cost is lower.

Electronic control unit 2 is TCU.TCU (Transmission Control Unit) i.e. automatic gear-box control is single Member is usually used in the automatic transmission such as AMT, AT, DCT, CVT.It realizes automatic shift control, makes to drive simpler.TCU is by 16 Or the composition such as 32 bit processors, signal processing circuit, power driver module, to pass through stringent electromagnetic compatibility testing.Its work Make temperature depending on installation site, be typically mounted in cockpit, it is desirable that temperature grade it is lower, -40 ° to 90 °；If peace Mounted in enging cabin, temperature grade is usually -40 ° to 140 °；Pass through the vehicle-mounted computers such as CAN bus and ECU, ABS/ESP, BCU Communication controls engine torque when automatic gear-box breaks down, and limits gear, realizes limp-home function.TCU terminal is set It is standby the information such as the location information of GPS, travel speed, vehicle to be passed back to system platform, user by wireless transmission method The monitoring and management to vehicle can be realized by computer, mobile phone.

The quantity of solenoid valve 1 is 5, respectively B1 brake solenoid valve 1, C1 clutch solenoid valve 1, C2 clutch electromagnetism Valve 1, C3 clutch solenoid valve 1 and C4 clutch solenoid valve 1, wherein at least one solenoid valve 1 is normal high magnetic valve 1, other Solenoid valve 1 is normal-low magnetic valve 1.Existing 8AT has used 5 normal-low magnetic valves 1 to control as clutch pressure, by existing Some 8AT carry out the test of NEDC circulation, calculate every gear power consumption, every gear power consumption=every gear each solenoid valve 1 of duration * The sum of electric current * 12, for example, P gear power consumption=32* (1.5+1.5) * 12=1152,8AT total power consumption=all gears Whenever the sum of power consumption.

Existing 8AT shift logic power consumption is as shown in table 1, according to existing 8AT shift logic table: P, R, N, D1, This five gears of D2 use always, and there are three solenoid valves 1 to power for each gear, shown in following chart 1:

Table 1

It, can will be by B1 brake solenoid valve 1 and C4 clutch solenoid valve 1 the two solenoid valves 1 by the analysis to table 1 It is changed to normal high magnetic valve 1, the power consumption after change is as shown in table 2, it can be seen that this five gears of P, R, N, D1, D2, be up to One solenoid valve 1 is powered, and is blocked in P/N and is not powered, for supporting that the TCU output power consumption of shift is 0, as shown in table 2:

Table 2

By the comparison to Tables 1 and 2 it is recognised that by B1 brake solenoid valve 1 and C4 clutch solenoid valve 1 this two After a solenoid valve 1 is changed to normal high magnetic valve 1, the lower power consumption of entire automatic gear-box system 23.9%, i.e. 23.9%= (63108-48024)/63108.

And automatic gear-box further includes having automatic start-stop system, automatic start-stop system includes accumulator, and accumulator is used for It powers to automatic gear-box.The working principle of automatic start-stop system is, when vehicle because congestion or crossing stop advancing.It drives Gear is plucked in member's brake pedal, parking.At this time, automatic start-stop system detects automatically: the race of engine and not putting into gear；It is anti-lock The wheel speed sensor for determining system is shown as zero；Electronic cell sensor shows enough energy and is started next time. After meeting these three conditions, engine automatic stop rotation.And after signal lamp greening, driver steps on clutch, immediately It can star " starting stopper ", and quickly start up engine.In automatic catch vehicle, as long as a releasing of brake, Huo Zhezhuan Dynamic steering wheel, engine understand horse back automatic ignition again, and can step on the gas starting again immediately, and whole process keeps off state all in D.

It is existing for the 8AT with start and stop function, generally use start and stop electric pump and power to automatic gear-box, power consumption is as follows Shown in table 3:

Table 3

After start and stop electric pump is changed to accumulator, in a NEDC circulation, the power consumption of automatic gear-box is as shown in table 4 below:

Table 4

By the comparison to table 3 and table 4 it is recognised that by B1 brake solenoid valve 1 and C4 clutch solenoid valve 1 this two After a solenoid valve 1 is changed to normal high magnetic valve 1 and start and stop electric pump is changed to accumulator, the power consumption of entire automatic gear-box system 28.9% is reduced, i.e. 28.9%=(68148-48444)/68148.Therefore, automatic gear-box provided by the utility model Compared with existing automatic gear-box, power consumption is lower, therefore more energy saving, reduces its use cost, more economical material benefit.

Automatic gear-box further includes having solenoid valve shield, and solenoid valve shield is used to be wrapped in the periphery of solenoid valve 1；Electromagnetism Valve shield includes shield ontology, and there are the spatial joint clearance that interval is kept between solenoid valve 1, shield sheets for the inner wall of shield ontology The discharge orifice that the oil liquid that at least one is used to leak solenoid valve 1 carries out aerial drainage is offered on the wall body of body；Table in shield ontology Face is covered at least one layer of for being isolated and cutting down the noise reduction layer of 1 noise of solenoid valve.Setting solenoid valve shield can completely cut off electromagnetism The noise that valve issues, meets user to the requirement of comfort.Preferably, the noise reduction layer is multilayer, and the noise reduction layer Thickness distribution it is irregular.

Automobile provided by the utility model comprising have automatic gear-box as described above.Pass through the gearbox to automobile Solenoid valve 1 change, change the change of the operating mode of solenoid valve 1, can reduce the output of electric current, to reduce oil Consumption；And it is powered using accumulator to automatic gear-box, further reduced power consumption, so that the overall power of automatic gear-box is more Small, more energy saving, use cost is lower.

In conclusion automatic gear-box provided by the utility model comprising have gear box, electronic control unit 2 And it is set to the hydraulic control valve body in gear box, hydraulic control valve body is cut for controlling each oil circuit in automatic gear-box It changes with oil pressure shift component actuation to realize speed change；Hydraulic control valve body includes multiple solenoid valves 1, and solenoid valve 1 is for receiving Oil pressure shift component is adjusted in control signal from electronic control unit 2, solenoid valve 1 at least one be normal high electromagnetism Valve 1；Automatic gear-box further includes having automatic start-stop system, and automatic start-stop system includes accumulator, and accumulator is used for automatic Gearbox power supply.Gearshift magnetic valve 1 used by existing hydraulic automatic gearbox (AT) is all normal-low magnetic valve 1, normal low electricity The characteristic curve of magnet valve 1 is as shown in Fig. 2, pressure increases with the increase of 1 electric current of solenoid valve, i.e., when electric current reaches maximum value 1500mA, pressure reach 20bar, and solenoid valve 1 is completely closed；And the characteristic curve of normal high magnetic valve 1 as shown in figure 3, pressure with The increase of 1 electric current of solenoid valve and reduce, i.e., when electric current be 0 when, pressure can arrive 20bar, and solenoid valve 1 is completely closed, pass through The change of the operating mode of solenoid valve 1, can reduce the output of electric current, to reduce oil consumption；And existing hydraulic automatic becomes The automatic start-stop system of fast case (AT) generallys use start and stop electric pump and powers to automatic gear-box, and provided by the utility model automatic Gearbox powers to automatic gear-box using accumulator, further reduced power consumption, so that the overall power of automatic gear-box is more Small, more energy saving, use cost is lower.

Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims (10)

1. a kind of automatic gear-box, which is characterized in that the automatic gear-box include gear box, electronic control unit with And it is set to the hydraulic control valve body in the gear box, the hydraulic control valve body is for controlling the automatic gear-box Interior each oil circuit switching and oil pressure shift component actuation are to realize speed change；

The hydraulic control valve body includes multiple solenoid valves, and the solenoid valve is for receiving from the electronic control unit Control signal to oil pressure shift component be adjusted, the solenoid valve at least one be normal high magnetic valve；

The automatic gear-box further includes having automatic start-stop system, and the automatic start-stop system includes accumulator, the accumulation of energy Device is used to power to the automatic gear-box.

2. automatic gear-box according to claim 1, which is characterized in that the hydraulic control valve body includes to wear cylinder connection Device, the cylinder connector of wearing connect the solenoid valve and electronic control unit, and the cylinder connector of wearing is received from the electronics The control signal of control unit, and control the opening and closing of the solenoid valve.

3. automatic gear-box according to claim 1, which is characterized in that the electronic control unit is TCU.

4. automatic gear-box according to claim 1, which is characterized in that the quantity of the solenoid valve is 5, respectively B1 Brake solenoid valve, C1 clutch solenoid valve, C2 clutch solenoid valve, C3 clutch solenoid valve and C4 clutch solenoid valve, Wherein at least one solenoid valve is normal high magnetic valve, and other solenoid valves are normal-low magnetic valve.

5. automatic gear-box according to claim 4, which is characterized in that the B1 brake solenoid valve is normal high electromagnetism Valve.

6. automatic gear-box according to claim 4, which is characterized in that the quantity of the normal high magnetic valve is two.

7. automatic gear-box according to claim 6, which is characterized in that the B1 brake solenoid valve and C4 clutch electricity Magnet valve is normal high magnetic valve.

8. automatic gear-box according to claim 1, which is characterized in that the automatic gear-box further includes having solenoid valve shield Cover, the solenoid valve shield are used to be wrapped in the periphery of the solenoid valve；

The solenoid valve shield includes shield ontology, between the inner wall of the shield ontology between the solenoid valve there are keeping Every spatial joint clearance,

At least one is offered on the wall body of the shield ontology for the oil liquid that the solenoid valve leaks to be carried out letting out for aerial drainage Discharge orifice；

The shield body internal surface is covered at least one layer of for being isolated and cutting down the noise reduction layer of solenoid valve noise.

9. automatic gear-box according to claim 8, which is characterized in that the noise reduction layer is multilayer, and the noise reduction layer Thickness distribution it is irregular.

10. a kind of automobile, which is characterized in that the automobile includes fluid drive as described in any one of claims 1-9 Case.