CN109882588A - A kind of flexibility power taking system and transmission control method - Google Patents
A kind of flexibility power taking system and transmission control method Download PDFInfo
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- CN109882588A CN109882588A CN201910277591.XA CN201910277591A CN109882588A CN 109882588 A CN109882588 A CN 109882588A CN 201910277591 A CN201910277591 A CN 201910277591A CN 109882588 A CN109882588 A CN 109882588A
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Abstract
The invention belongs to power transmitting apparatus fields, disclose a kind of flexible power taking system, including flexible power takeoff and control module；The flexible power takeoff includes the primary transmission axis connecting with the peripheral hardware engine of power input or electric-motor drive, it further include secondary drive shaft, the first gear unit and the second gear unit are equipped between the primary transmission axis and secondary drive shaft, it is equipped with first clutch between the primary transmission axis and the first gear unit, second clutch is equipped between the secondary drive shaft and the second gear unit；The control module includes the first oil cylinder and the second oil cylinder；First clutch controls clutch by the first oil cylinder；The second clutch controls clutch by the second oil cylinder.Meanwhile the present invention also provides a kind of transmission control method using the flexibility power takeoff, the loss that low energy consumption for this method, the friction to equipment especially clutch is secondary is small, can be increased to the service life of equipment 10 years or more.
Description
Technical field
The present invention relates to power transmitting apparatus field, specifically a kind of flexible power taking system and transmission control method.
Background technique
Blower used in sanitation cart, the groove tank driving mechanism of bulk cement carrier, agricultural machinery operating mechanism all have it is some common
Point, the operating mechanism of agricultural machinery such as plow the mechanism of plowing of vehicle, the harvest mechanism of harvester, especially under acclive environment
Or in rugged field, the problem of cannot all being matched there is torque and revolving speed.
For the fan rotor used in the road sweeper in sanitation cart, power has reached 30-50KW, in order to drive
The blower, road sweeper have no alternative but an additionally mounted diesel engine dedicated for driving blower, but commercialization in 2019
Vehicle will enforce VI emission regulation of state, and dedicated for drive blower diesel engine because cannot install after-treatment device or
The cost for installing after-treatment device is very big and must cancel, therefore special-purpose vehicle sanitation cart industry uses single engine gesture instead must
Row.Sanitation cart and special-purpose vehicle be such as currently on the market: road sweeper uses single-shot (only single engine) instead, and only there are two types of sides afterwards
Formula driving is available: i.e. motor driven and sustainer driving.
1, power drive blower, since blower starting torque is especially big, generally up to thousands of ox are transmitted using from sustainer
Rice often causes engine misses because loading too greatly when starting blower under engine idle conditions, and starts with starting is carried
When machine, because load excessive makes engine be difficult to start；
2, using the so powerful fan rotor of motor driven, often occur suppressing the problem of bad motor burns circuit；
3, both the above driving method all must pass through power taking out outside above-mentioned two problems using power takeoff transmitting power
When device transmits power drive such large torque blower, the secondary serious mill of friction of power takeoff will cause since starting torque is very big
Damage, causes power takeoff service life too short.
Solve the above problems, the gearbox using existing maturation be it is feasible, still, the gearbox of existing maturation
The volume for loading such powerful equipment gearbox will become very big, meanwhile, the problem of can not be ignored, is: existing market
On gearbox it is all extremely complex, precision is very high, and especially price is too high, it is difficult to popularity.Therefore in vast work
Journey vehicle or agri-vehicle field mostly use greatly import device or directly adopt import vehicle.By statistics, in Xinjiang region, plough
Ground vehicle 90% is with upper inlet in European and American areas, and often rare and use reliability is poor by the domestic Chefei that plows.
If solving the above problems or capturing gearbox production technology problem or look for another way and find a conjunction
The design path of reason is corresponding to solve the problems, such as.
Summary of the invention
The purpose of the present invention is to provide a kind of flexible power taking system, the mentality of designing of the system mainly passes through simplification and sets
Meter makes power takeoff be able to achieve the purpose of low-speed big starting and the work of small torque high speed under heavy load condition, and heavy load is avoided to exist
High speed large torque causes engine misses or motor burning when starting, and avoids the problem that power takeoff Fast Wearing.It drops simultaneously
The excessively complicated problem of production technology in low conventional drivetrain makes to become torque, the vision of flexible operating of speed change degree becomes existing
It is real, meanwhile, the present invention also provides a kind of transmission control method using the flexibility power takeoff, low energy consumption for this method, to equipment spy
Be not clutch friction it is secondary loss it is small, the service life of equipment can be increased to 10 years or more.
Specific technical solution of the invention are as follows: a kind of flexibility power taking system, including flexible power takeoff and control module；Institute
The flexible power takeoff stated includes the primary transmission axis connecting with the peripheral hardware engine of power input or electric-motor drive, further includes two
Grade transmission shaft is equipped between the primary transmission axis and secondary drive shaft and promotes the output of primary transmission axis to secondary drive shaft
Second gear unit of the first gear unit of torque and the transmission speed of promotion primary transmission axis to secondary drive shaft, it is described
First clutch is equipped between primary transmission axis and the first gear unit, between the secondary drive shaft and the second gear unit
Equipped with second clutch；
The control module includes the first oil cylinder and the second oil cylinder；First clutch controls clutch by the first oil cylinder；
The second clutch controls clutch by the second oil cylinder.
In above-mentioned flexible power taking system, the control module further includes three-position four-way valve, controller, and described three
Position four-way valve is equipped with P mouthfuls (oil inlet), T mouthfuls (oil return opening), A mouthfuls and B mouthfuls, and the A mouth is connected to the first oil cylinder, the B
Mouth is connected to the second oil cylinder, and the P mouth is connected to oil pump；The oil pump and T mouthful is connected to hydraulic oil container；The control
Device processed controls 3-position 4-way valve events.
It further include pressure regulator valve, the import of the pressure regulator valve is connected to oil pump, described in above-mentioned flexible power taking system
The outlet of pressure regulator valve be connected to hydraulic oil container.
In above-mentioned flexible power taking system, first gear unit includes the first gear and second of engagement cooperation
Gear, the diameter of first gear are less than the diameter of second gear；
Second gear unit include engagement cooperation third gear and the 4th gear, the third gear it is straight
Diameter is greater than the diameter of the 4th gear；
The first gear is connected with first clutch；The second gear is fixedly connected with secondary drive shaft；
The third gear is fixedly connected with primary transmission axis, and the 4th gear is connected with second clutch.
It should be noted that in the present invention, only listing the realization of secondary drive shaft, being also possible in practical applications
The control of double clutch can be all related to, add such as above-mentioned control no matter what is driven by being related to three-level transmission or level Four transmission
Module also may be implemented, and not do excessive limitation to this present invention.Similarly, following methods is equally applicable to three-level transmission and level Four
The case where transmission.
Meanwhile the present invention also provides a kind of change torque, the transmission control method of speed change degree, taken using flexibility as described above
Force system realizes the transmission between the peripheral hardware engine or motor and the working equipment of peripheral hardware of power input；Including walking as follows
It is rapid:
Step 1: during the working equipment of peripheral hardware starts to revolving speed and reaches the first preset value, P mouth, the A of three-position four-way valve
Mouthful conducting or intermittent conduction and T mouth of three-position four-way valve, B mouthful conductings, first clutch closure or intermittence are closed and second
The separation of clutch duration, makes the work of the first gear unit and the second gear unit does not work；
Step 2: after the working equipment revolving speed of peripheral hardware reaches the first preset value, the P mouth of three-position four-way valve, B mouthfuls conducting and
The T mouth of three-position four-way valve, A mouthfuls of conductings, second clutch closure or intermittent closure and first clutch duration separates make the
Two gear units work and the first gear unit does not work；
Step 3: after the working equipment revolving speed of peripheral hardware reaches the second preset value, the P mouth of three-position four-way valve, B mouthfuls of holdings are led
Logical state and T mouth of three-position four-way valve, A mouthful tend to remain on, second clutch duration is closed and first clutch is lasting
Property separation, power is exported from primary transmission axis to secondary drive shaft by the second gear unit, is driven by secondary drive shaft outer
If working equipment operation；
First preset value is less than the second preset value.
Become in the transmission control method of torque, speed change degree in above-mentioned, when the main body of power input is peripheral hardware engine,
Include the steps that 4 can be performed at any time: the signal that stops working when the working equipment for receiving peripheral hardware or peripheral hardware
The revolving speed of the engine of engine ignition blackout or peripheral hardware is lower than lower rotation speed limit and when continuing 1.5-2.5s or peripheral hardware
When engine speed is higher than the revolving speed upper limit；The lower rotation speed limit and the revolving speed upper limit is user preset numerical value；
The P mouth Hui Zhongwei (in being returned when P mouthfuls behind position, the cutting of P confession oil) of three-position four-way valve, A mouthfuls, B mouthfuls, T mouthfuls of conductings；
When the working equipment of peripheral hardware issues again, enabling signal, engine are lighted a fire again, engine is restored to lower rotation speed limit
Above, when engine is restored to operation interval revolving speed, step 1 is executed, or if being provided with following step 1s, execute step
Rapid 1s.
Become in the transmission control method of torque, speed change degree in above-mentioned, further includes step 1s before the step 1: sentencing
Whether the revolving speed of the engine of disconnected peripheral hardware reaches operation interval revolving speed；If so, carrying out step 1；If it is not, then repeating step
1s is until the revolving speed of engine reaches operation interval revolving speed；
The operation interval revolving speed is greater than lower rotation speed limit and is less than the revolving speed upper limit.
Become in the transmission control method of torque, speed change degree in above-mentioned, when the main body of power input is peripheral hardware engine,
Include the steps that 5 can be performed at any time: when detect carry system as described above vehicle issue brake signal
When, Hui Zhongwei, A mouthfuls of the P mouth of three-position four-way valve, B mouthfuls, T mouthfuls of conductings；
When the revolving speed of the engine of the brake signal disappearance and peripheral hardware that detect is in operation interval, or the braking detected
When signal does not disappear and the engine speed of peripheral hardware reaches the lower limit of operation interval revolving speed, step 2 is carried out.
Become in the transmission control method of torque, speed change degree in above-mentioned, the lower rotation speed limit is 500r/min；On revolving speed
It is limited to 1600r/min；Operation interval revolving speed is 800-1500r/min.
Become in the transmission control method of torque, speed change degree in above-mentioned, the switching time of step 1 to step 2 is no more than 1s.
Compared with prior art, the beneficial effects of the present invention are:
System of the invention is divided into two parts, and a part is flexible power takeoff, and two clutches is used to distinguish
The purpose of change torque and speed change degree is completed, the structure of transmission system will be simplified in this way, become torsion especially with a clutch
Square, a clutch carry out speed change degree, shorten to the operating time for the clutch for becoming torque very short, improve its service life.Institute
Have the advantages that structure is simple, long service life with this system.Another part is that the present invention has introduced a set of control mould
Block, the control module control first clutch and second clutch by independent oil cylinder, can significantly improve its response
Speed.
Method of the invention has two schemes, i.e., two different clutches are closed using intermittent or non-intermittent
Close, the advantage that be, avoid being engaged on large torque or causing in accelerator to clutch excessive for duration
Burden, and then improve the service life of equipment.
As a further improvement, the present invention consider in traditional technical solution without reference to technical controlling it is difficult
Point, such as slow-speed of revolution situation, high speed conditions, brake situation can be dropped by further being refined to control process
Abrasion of the working equipment of low peripheral hardware for this transmission system, it is outer caused by can reduce because of power or outside environmental elements variation
If engine, this transmission system, peripheral hardware working equipment damage.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the flexible power takeoff of embodiment 1；
Fig. 2 is the structural schematic diagram of the control module of embodiment 1；
Fig. 3 is the control flow chart of embodiment 2.
Specific embodiment
With reference to embodiment, technical solution of the present invention is described in further detail, but do not constituted pair
Any restrictions of the invention.
Embodiment 1
As shown in Figs. 1-2, a kind of flexible power taking system, including flexible power takeoff and control module；
The flexible power takeoff includes the primary transmission axis 1 connecting with the driving engine of peripheral hardware, further includes that second level passes
Moving axis 2, equipped with the defeated of promotion primary transmission axis 1 to secondary drive shaft 2 between the primary transmission axis 1 and secondary drive shaft 2
Second gear unit of the first gear unit of torque and the transmission speed of promotion primary transmission axis 1 to secondary drive shaft 2 out, institute
First clutch 3, the secondary drive shaft 2 and the second transmission are equipped between the primary transmission axis 1 and the first gear unit stated
Second clutch 4 is equipped between unit.
First gear unit includes the first gear 5 and second gear 6 of engagement cooperation, the diameter of first gear 5
Less than the diameter of second gear 6；
Second gear unit includes the third gear 7 and the 4th gear 8 of engagement cooperation, the third gear 7
Diameter be greater than the 4th gear 8 diameter；
The first gear 5 and first clutch 3 connect；The second gear 6 and the fixed company of secondary drive shaft 2
It connects；
The third gear 7 is fixedly connected with primary transmission axis 1, and the 4th gear 8 and second clutch 4 connect
It connects.
The control module includes the first oil cylinder 9 and the second oil cylinder 10；First clutch 3 is controlled by the first oil cylinder 9
Clutch；The second clutch 4 controls clutch by the second oil cylinder 10.
In order to improve automatic control level, this control module has also introduced controller 11 and multidigit various way solenoid valve carries out
The electric control operation of oil circuit, specifically, the control module further includes three-position four-way valve 12, controller 11, and described three
Four-way valve 12 is equipped with P mouth 121, T mouth 122, A mouth 123 and B mouth 124, leading between P mouth 121, T mouth 122, A mouth 123 and B mouth 124
On-off opened coil a and coil the b control of diagram, and coil a and coil b are controlled by controller 11, the A
Mouth 123 is connected to the first oil cylinder 9, and the B mouth 124 is connected to the second oil cylinder 10, and the P mouth 121 is connected to oil pump 13；Institute
Oil pump 13 and the T mouth 122 stated is connected to hydraulic oil container 14；The controller 11 controls three-position four-way valve 12 and acts.
Further, this control module further includes pressure regulator valve 15, and the import of the pressure regulator valve 15 is connected to oil pump 13, institute
The outlet for the pressure regulator valve 15 stated is connected to hydraulic oil container 14.Pressure regulator valve 15 undertakes two functions, and a function is in this control mould
Oil pressure adjusting is carried out when block works, and prevents oil pressure excess load in oil circuit；Another function is the P mouth in three-position four-way valve 12
121 close, and in the case that A mouth 123 and B mouth 124 and T mouth 122 are connected, pressure regulator valve 15 is shown in a fully open operation will be hydraulic in oil circuit
Oil beats circulation.
Embodiment 2
As shown in figure 3, a kind of transmission control method for becoming torque, speed change degree, for realizing the transmitter of peripheral hardware and outer
If working equipment between transmission；Using the system of embodiment 1, include the following steps:
Step 1s: judge whether the revolving speed of the engine of peripheral hardware reaches operation interval revolving speed；If so, carrying out step 1；If
It is no, then repeat step 1s until the revolving speed of engine reaches operation interval revolving speed；It should be understood that the workspace
Between revolving speed be greater than lower rotation speed limit and be less than the revolving speed upper limit；Lower rotation speed limit and the revolving speed upper limit are configured according to vehicle condition, with city
On field for common road sweeper, lower rotation speed limit 500r/min；The revolving speed upper limit is 1600r/min.But in practical application
In the process, lower rotation speed limit and the revolving speed upper limit are not limited to the specific value.And operation interval revolving speed we be typically chosen setting
In 800-1500r/min, equally, operation interval revolving speed is configured according to vehicle condition, it is not limited to the specific value.
Step 1: during the working equipment of peripheral hardware starts to revolving speed and reaches the first preset value, the P mouth of three-position four-way valve 12
121, the T mouth 122 of the conducting of A mouth 123 or intermittent conduction and three-position four-way valve 12, B mouth 124 are connected, and first clutch 3 is intermittent
Closure and the separation of 4 duration of second clutch, make the work of the first gear unit and the second gear unit does not work；
In practical applications, it is preferred to use the mode of intermittent conduction realizes the intermittent closure of first clutch 3, because
It is very big torque is just started, if first clutch 3 is closed for a long time, will cause in the past to first clutch 3 for a long time can not
The damage of reverse.
The mode of the intermittent closure of first clutch 3 can be with are as follows: and the first oil cylinder disconnects 0.2-2 seconds after being connected 1-4 seconds,
Disconnection in 1-4 seconds 0.2-2 seconds, such automatic cycle are connected again, such first clutch 3 disconnects 0.2-2 seconds after being closed 1-4 seconds
Clock recloses disconnection in 1-4 seconds 0.2-2 seconds.
Step 2: after the working equipment revolving speed of peripheral hardware reaches the first preset value, the P mouth 121 of three-position four-way valve 12, B mouthfuls
The T mouth 122 of 124 conductings and three-position four-way valve 12, A mouth 123 are connected, and 4 intermittence of second clutch is closed and first clutch 3 is held
Continuous property separation, makes the work of the second gear unit and the first gear unit does not work；
Switching time between step 1 to step 2 is no more than 1s, because the oil pressure for being related to oil piping system changes to
Position, so there are switching times between step 1 and 2, but its time is unsuitable too long.
Step 3: after the working equipment revolving speed of peripheral hardware reaches the second preset value, the P mouth 121 of three-position four-way valve 12, B mouthfuls
124 tend to remain on and the T of three-position four-way valve 12 mouth 122, A mouth 123 tend to remain on, and 4 duration of second clutch closes
It closes and 3 duration of first clutch separates, exported power to secondary drive shaft from primary transmission axis 1 by the second gear unit
2, drive the working equipment of peripheral hardware to run by secondary drive shaft 2；
First preset value is less than the second preset value.
Make to overcome what the abrasion of large torque bring increased in the starting elementary step by the intermittent closure of first clutch 3
Problem makes to overcome quickly acceleration bring mill in the boost phase of starting middle and later periods by the intermittent closure of second clutch 4
The problem of damage increases.
But certain more special applicable cases, we will should also be paid attention to, these extreme case this field skills
Art scheme does not draw attention mostly.
Specifically, including following situations:
Situation one
Receive the signal that the working equipment of peripheral hardware stops working；The working equipment work that such case represents peripheral hardware terminates
, operator presses the button to stop working in the car, will generate the signal to stop working this when.
Situation two
The engine ignition blackout of peripheral hardware；Such case represents the engine misses of peripheral hardware, want this when and
When cutting engine and the working equipment of peripheral hardware between connection, prevent the working equipment of peripheral hardware continue drive engine rotation,
Engine is damaged, and also to guarantee the safety of the working equipment of this system and peripheral hardware.
Situation three
The revolving speed of the engine of peripheral hardware is lower than lower rotation speed limit and continues 1.5-2.5s；Such case represents engine and i.e. will
It is flame-out, reference case two.If the only slow-speed of revolution of moment, such case can't be included in by the present invention to be needed to cut off engine
The considerations of connection between the working equipment of peripheral hardware.But the slow-speed of revolution persistently represents engine very maximum probability and to put out
Fire, such case will account for range.
Situation four
The engine speed of peripheral hardware is higher than the revolving speed upper limit；Such case represents engine and is in a kind of extreme situation, such as steep
The case where so emergency acceleration etc. may represent overspeed, if continually developed this when between motivation and the working equipment of peripheral hardware
Connection, then the emergency for not only influencing vehicle accelerates, it is also possible to can arrive caused by the working equipment of this peripheral hardware operates because of overspeed
Equipment damage.
Above-mentioned situation one to four should all disconnect the connection between engine and the working equipment of peripheral hardware；Concrete operations
Are as follows: 121 Hui Zhongwei of P mouth of three-position four-way valve 12, A mouth 123, B mouth 124, T mouth 122 are connected.
Lower rotation speed limit and the revolving speed upper limit of the present invention is configured according to vehicle condition, with road common in the market
For sweeper, lower rotation speed limit 500r/min；The revolving speed upper limit is 1600r/min.But in actual application, lower rotation speed limit
The specific value is not limited to the revolving speed upper limit.
When the case where above-mentioned situation one-four disappears, as the working equipment of peripheral hardware issues enabling signal, engine weight again
New igniting when engine is restored to lower rotation speed limit or more, engine is restored to operation interval revolving speed, executes step 1s.
It further include another situation in need of consideration except in the case of above-mentioned, it may be assumed that
Situation five
When detecting that the vehicle for carrying this system issues brake signal, the working equipment of engine and peripheral hardware should be disconnected
Between connection；Concrete operations are as follows: 121 Hui Zhongwei of P mouth of three-position four-way valve 12, A mouth 123, B mouth 124, T mouth 122 are connected；
When the revolving speed of the engine of the brake signal disappearance and peripheral hardware that detect is in operation interval, or the braking detected
When signal does not disappear and the engine speed of peripheral hardware reaches the lower limit of operation interval revolving speed, step 2 is carried out.
The structure of the present embodiment is simple, long service life, and method is although appropriate to extend the starting time, but makes
It is obviously increased with the service life.
Above-described is only presently preferred embodiments of the present invention, all made within the scope of the spirit and principles in the present invention
What modifications, equivalent substitutions and improvements etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of flexibility power taking system, which is characterized in that including flexible power takeoff and control module；The flexible power takeoff packet
The primary transmission axis connecting with the peripheral hardware engine of power input or electric-motor drive is included, further includes secondary drive shaft, it is described
First transmission of the output torque equipped with promotion primary transmission axis to secondary drive shaft between primary transmission axis and secondary drive shaft
Unit and promoted primary transmission axis to secondary drive shaft transmission speed the second gear unit, the primary transmission axis and the
It is equipped with first clutch between one gear unit, the second clutch is equipped between the secondary drive shaft and the second gear unit
Device；
The control module includes the first oil cylinder and the second oil cylinder；First clutch controls clutch by the first oil cylinder；It is described
Second clutch by the second oil cylinder control clutch.
2. flexibility power taking system according to claim 1, it is characterised in that: the control module further includes 3-position 4-way
Valve, controller, the three-position four-way valve are equipped with P mouthfuls, T mouthfuls, A mouthfuls and B mouthfuls, and the A mouth is connected to the first oil cylinder, described
B mouthfuls are connected to the second oil cylinder, and the P mouth is connected to oil pump；The oil pump and T mouthful is connected to hydraulic oil container；Described
Controller controls 3-position 4-way valve events.
3. flexibility power taking system according to claim 2, it is characterised in that: it further include pressure regulator valve, the pressure regulator valve
Import is connected to oil pump, and the outlet of the pressure regulator valve is connected to hydraulic oil container.
4. -3 flexible power taking system according to claim 1, which is characterized in that first gear unit includes
The first gear and second gear of cooperation are engaged, the diameter of first gear is less than the diameter of second gear；
Second gear unit includes the third gear and the 4th gear of engagement cooperation, and the diameter of the third gear is big
In the diameter of the 4th gear；
The first gear is connected with first clutch；The second gear is fixedly connected with secondary drive shaft；
The third gear is fixedly connected with primary transmission axis, and the 4th gear is connected with second clutch.
5. a kind of transmission control method for becoming torque, speed change degree, which is characterized in that using as described in claim 1-4 is any
Flexible power taking system realizes the transmission between the peripheral hardware engine or motor and the working equipment of peripheral hardware of power input；Including such as
Lower step:
Step 1: during the working equipment of peripheral hardware starts to revolving speed and reaches the first preset value, the P mouth of three-position four-way valve, A mouthfuls lead
Logical or intermittent conduction and the T mouth of three-position four-way valve, B mouthfuls of conductings, first clutch closure or intermittent closure and the second clutch
The separation of device duration, makes the work of the first gear unit and the second gear unit does not work；
Step 2: after the working equipment revolving speed of peripheral hardware reaches the first preset value, the P mouth of three-position four-way valve, B mouthfuls of conductings and three
The T mouth of four-way valve, A mouthfuls of conductings, second clutch closure or intermittent closure and the separation of first clutch duration, make the second biography
Moving cell works and the first gear unit does not work；
Step 3: after the working equipment revolving speed of peripheral hardware reaches the second preset value, the P mouth of three-position four-way valve, B mouthfuls be held on shape
The T of state and three-position four-way valve mouth, A mouthfuls tend to remain on, second clutch duration closure and first clutch duration point
From by the second gear unit power being exported from primary transmission axis to secondary drive shaft, drives peripheral hardware by secondary drive shaft
Working equipment operation；
First preset value is less than the second preset value.
6. the transmission control method according to claim 5 for becoming torque, speed change degree, which is characterized in that when power input
When main body is peripheral hardware engine, include the steps that 4 can be performed at any time: when the working equipment for receiving peripheral hardware stops
The revolving speed of the engine of the signal of work or the engine ignition blackout of peripheral hardware or peripheral hardware is lower than lower rotation speed limit and continues
When 1.5-2.5s or when the engine speed of peripheral hardware is higher than the revolving speed upper limit；The lower rotation speed limit and the revolving speed upper limit is that user is pre-
If numerical value；
Hui Zhongwei, A mouthfuls of the P mouth of three-position four-way valve, B mouthfuls, T mouthfuls of conductings.
7. it is according to claim 6 become torque, speed change degree transmission control method, which is characterized in that the step 1 it
Before further include step 1s: judge whether the revolving speed of the engine of peripheral hardware reaches operation interval revolving speed；If so, carrying out step 1；If
It is no, then repeat step 1s until the revolving speed of engine reaches operation interval revolving speed；
The operation interval revolving speed is greater than lower rotation speed limit and is less than the revolving speed upper limit.
8. the transmission control method according to claim 5 for becoming torque, speed change degree, which is characterized in that when power input
When main body is peripheral hardware engine, include the steps that 5 can be performed at any time: carrying such as claim 1-4 when detecting
When the vehicle of any system issues brake signal, Hui Zhongwei, A mouthfuls of the P mouth of three-position four-way valve, B mouthfuls, T mouthfuls of conductings；
When the revolving speed of the engine of the brake signal disappearance and peripheral hardware that detect is in operation interval, or the brake signal detected
It does not disappear and when the engine speed of peripheral hardware reaches the lower limit of operation interval revolving speed, carries out step 2.
9. the transmission control method according to claim 6 for becoming torque, speed change degree, which is characterized in that under the revolving speed
It is limited to 500r/min；The revolving speed upper limit is 1600r/min；Operation interval revolving speed is 800-1500r/min.
10. the transmission control method according to claim 5 for becoming torque, speed change degree, which is characterized in that step 1 to step 2
Switching time be no more than 1s.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910277591.XA CN109882588A (en) | 2019-04-08 | 2019-04-08 | A kind of flexibility power taking system and transmission control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910277591.XA CN109882588A (en) | 2019-04-08 | 2019-04-08 | A kind of flexibility power taking system and transmission control method |
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