CN208073704U - A kind of air compressor control mechanism - Google Patents
A kind of air compressor control mechanism Download PDFInfo
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- CN208073704U CN208073704U CN201721881286.4U CN201721881286U CN208073704U CN 208073704 U CN208073704 U CN 208073704U CN 201721881286 U CN201721881286 U CN 201721881286U CN 208073704 U CN208073704 U CN 208073704U
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- gear
- air compressor
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- gears
- engine
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Abstract
A kind of air compressor control mechanism, including air compressor, engine, the gear for adjusting air compressor rotating speed, the input shaft of gear is driven by the output shaft of clutch and engine to be coordinated, the output shaft of gear coordinates with air compressor transmission, clutch, gear control terminal connect with ECU electronic control unit signals, and ECU electronic control unit is connect with VECU entire car controller signals.The design can not only meet requirement of the load-carrying vehicle for braking effect and arrangement space simultaneously, but also can also improve the dynamic property and fuel economy of vehicle.
Description
Technical field
The utility model belongs to engine braking technical field, and in particular to a kind of air compressor control mechanism is applicable in
Meet requirement of the load-carrying vehicle for braking effect and arrangement space in simultaneously.
Background technology
Highway car usually require in the process of moving it is frequent actively slow down, and used on highway car at present be mostly and hair
The air compressor of motivation direct connection.Chinese patent：Application publication number is CN102616135A, and data of publication of application is August 1 in 2012
A kind of vehicle launch braking system disclosed in the patent of invention of day, main shaft between the engine and the gearbox are equipped with clutch
And belt pulley, belt pulley are connected the belt pulley of air compressor by belt, are set between the belt pulley and bent axle of air compressor
There are another clutch, the gas outlet of air compressor to connect air filter, air filter outlet connection steel cylinder.
In the system, when air compressor works, rotating speed keeps relatively uniform, the high space-time air pressure of engine speed with engine speed
Contracting machine rotating speed is high, and the air compressors of acquisition are larger, and air compressor rotating speed is low when engine speed is low, the air compressor machine of acquisition
Capacity is also small, then the air pressure in air tank can be caused to reduce rapidly according to continuous braking.Therefore, make for guarantee driver
After a service brake, air tank also has enough compressed gas to ensure second of braking effect in very short time, usually adopts
Ensure standby compressed air with air tank volume is increased.But existing load-carrying vehicle, especially tractor, wheelbase is short, increases storage
The volume of inflator can cause the arrangement of vehicle frame both sides other component such as fuel tank to be affected, therefore can not meet braking effect simultaneously
With the requirement of arrangement space.Meanwhile air compressor can continue consumption of engine energy during continuous braking, influence vehicle
Dynamic property and fuel economy.
Invention content
It cannot meet braking effect simultaneously and arrangement space is wanted the purpose of the utility model is to overcome of the existing technology
The problem of asking provides a kind of air compressor control mechanism that can meet braking effect and arrangement space requirement simultaneously.
In order to achieve the above object, the technical solution of the utility model is as follows：
A kind of air compressor control mechanism, including air compressor, engine, the engine pass through clutch and sky
Air compressor transmission cooperation；
The mechanism further includes the gear for adjusting air compressor rotating speed, and the input shaft of the gear is logical
The output shaft transmission for crossing clutch and engine coordinates, and output shaft and the air compressor transmission of gear coordinate, clutch,
The control terminal of gear is connect with ECU electronic control unit signals, and ECU electronic control unit connects with VECU entire car controller signals
It connects.
The gear is three gear gears, including H gears, L gears and N gears；
When gear is in H gears, the rotating speed of air compressor is more than a；
When gear is in L gears, the rotating speed of air compressor is a；
When gear is in N gears, the rotating speed of air compressor is 0；
Wherein, a is tachometer value when air compressor is connect with engine gear under standing state.
The mechanism further includes that the clutch actuating mechanism being connected with clutch, the shift being connected with gear are held
Row mechanism, the clutch actuating mechanism, gear shifting actuating mechanism control terminal connect with ECU electronic control unit signals.
Compared with prior art, the beneficial effects of the utility model are：
1, a kind of air compressor control mechanism of the utility model includes the variable-speed motor for adjusting air compressor rotating speed
Structure, the input shaft of gear is driven by the output shaft of clutch and engine to be coordinated, the output shaft and air of gear
Compressor transmission cooperation, clutch, gear control terminal connect with ECU electronic control unit signals, and ECU electronic control unit and
VECU entire car controller signals connect, and when which runs, ECU electronic control unit first comes from VECU full-vehicle controls according to what is received
Instruction, clutch and the gear state in which control gear of device are put into gear, and then gear drives air compression
Machine operates, and to obtain targeted compression air capacity, which adds gear, variable-speed motor between air compressor and engine
Structure can change the rotating speed of air compressor, and air compressor is made to obtain high rotating speed or rated speed in operation or idling, from
And vehicle brake mechanism is made to obtain enough compressed airs when needed, ensure that under conditions of the air tank constancy of volume can be with
Enough compressed airs are provided continuously to brake, or can suitably reduce air tank in the case where meeting the basic air storage amount of braking
Volume provides the arrangement space of bigger for other components, is particularly suitable for the limited tractor of arrangement space.Therefore, this practicality
The novel requirement that can meet braking effect and arrangement space simultaneously.
2, gear includes H gears, L gears and N gears in a kind of air compressor control mechanism of the utility model, when ECU electricity
Control unit can control gear when receiving the fast aeration instruction from VECU entire car controllers and hang H gears, make air compressor
The rotating speed being more than when air compressor is connect with engine gear under standing state is obtained, the capacity of air compressor is increased,
And gear extension N gears can be then controlled when instruction is inflated in the stopping from VECU entire car controllers when ECU electronic control unit is received, make
Air compressor shuts down, which can effectively reduce while ensureing that air compressor is capable of providing sufficient compressed air
Air compressor promotes the dynamic property and fuel economy of vehicle to the power attenuation of engine.Therefore, the utility model is not only
It is capable of providing sufficient compressed air, but also improves the dynamic property and fuel economy of vehicle.
Description of the drawings
Fig. 1 is the structure principle chart of the utility model mechanism.
In figure：Air compressor 1, engine 2, clutch 3, gear 4, ECU electronic control unit 5, clutch execute machine
Structure 6, gear shifting actuating mechanism 7, VECU entire car controllers 8.
Specific implementation mode
The utility model is described in further detail With reference to embodiment.
Referring to Fig. 1, a kind of air compressor control mechanism, including air compressor 1, engine 2, the engine 2 are logical
Clutch 3 is crossed with the transmission of air compressor 1 to coordinate；
The mechanism further includes the gear 4 for adjusting 1 rotating speed of air compressor, the input of the gear 2
Axis is driven by the output shaft of clutch 3 and engine 2 to be coordinated, and output shaft and the transmission of air compressor 1 of gear 4 are matched
Close, clutch 3, gear 4 control terminal connect with 5 signal of ECU electronic control unit, and ECU electronic control unit 5 and VECU vehicles
8 signal of controller connects.
The gear 4 is three gear gears, including H gears, L gears and N gears；
When gear 4 is in H gears, the rotating speed of air compressor 1 is more than a；
When gear 4 is in L gears, the rotating speed of air compressor 1 is a；
When gear 4 is in N gears, the rotating speed of air compressor 1 is 0；
Wherein, a is tachometer value when air compressor 1 is connect with 2 gear of engine under standing state.
The mechanism further includes the clutch actuating mechanism 6 being connected with clutch 3, is changed with what gear 4 was connected
Keep off executing agency 7, the clutch actuating mechanism 6, gear shifting actuating mechanism 7 control terminal with 5 signal of ECU electronic control unit connect
It connects.
The principles of the present invention are described as follows：
By increasing gear 4 between air compressor 1 and engine 2, ensure that repeatedly makes the utility model
It can also be promoted rapidly with the air pressure in air tank after service brake.
Gear 4：
Gear 4 described in the utility model divides for three gears：
H is kept off：So that air compressor 1 is obtained higher rotating speed, obtain larger capacity, being used when vehicle lower long slope should
Gear；
L is kept off：The acquisition of air compressor 1 is connect with 2 gear of engine（The two speed ratio is steady state value）Rotating speed, obtain normal
Capacity, when vehicle is in flat slope or upper long slope use the gear；
N is kept off：That is neutral gear, air compressor 1 shut down, and the gear is used when the air pressure in air tank reaches setting value
Position.
Embodiment 1：
Referring to Fig. 1, a kind of air compressor control mechanism, including air compressor 1, engine 2, clutch 3, for adjusting
The gear 4 for saving 1 rotating speed of air compressor, the clutch actuating mechanism 6 being connected with clutch 3 are connected with gear 4
The input shaft of the gear shifting actuating mechanism 7 connect, the gear 2 is coordinated by being driven with the output shaft of engine 2, gear
4 output shaft coordinates with the transmission of air compressor 1, clutch 3, gear 4, clutch actuating mechanism 6, gear shifting actuating mechanism
7 control terminal is connect with 5 signal of ECU electronic control unit, and ECU electronic control unit 5 is connect with 8 signal of VECU entire car controllers, described
Gear 4 is three gear gears, including H gears, L gears and N gears；
When gear 4 is in H gears, the rotating speed of air compressor 1 is more than a；
When gear 4 is in L gears, the rotating speed of air compressor 1 is a；
When gear 4 is in N gears, the rotating speed of air compressor 1 is 0；
Wherein, a is tachometer value when air compressor 1 is connect with 2 gear of engine under standing state.
A kind of control method of air compressor control mechanism, this method are：The first basis of ECU electronic control unit 5 receives
Instruction, clutch 3 and 4 state in which of gear control gear 4 from VECU entire car controllers 8 are put into gear, then
Gear 4 is operated with engine-driven air compressor 1, to obtain targeted compression air capacity, wherein the ECU electronic control unit 5 is according to connecing
The instruction from VECU entire car controllers 8, clutch 3 and 4 state in which of the gear control gear 4 received is put into gear
Refer to：
When ECU electronic control unit 5 receives the fast aeration instruction from VECU entire car controllers 8, if ECU electronic control unit 5
Judge that clutch 3 is in bonding state, gear 4 is in H gears, then clutch actuating mechanism 6 and gear shifting actuating mechanism 7 are not held
Any operation of row controls the execution of clutch actuating mechanism 6 if ECU electronic control unit 5 judges that gear 4 is in N gears or L gears
The operation that clutch 3 detaches, after clutch 3 is in discrete state, ECU electronic control unit 5 controls gear shifting actuating mechanism 7 and executes change
The operation of H gears is hung by fast mechanism 4, and last ECU electronic control unit 5 controls the operation that the execution clutch 3 of clutch actuating mechanism 6 combines and is
It can；
When ECU electronic control unit 5 receives the slow inflation instruction from VECU entire car controllers 8, if ECU electronic control unit 5
Judge that clutch 3 is in bonding state, gear 4 is in L gears, then clutch actuating mechanism 6 and gear shifting actuating mechanism 7 are not held
Any operation of row controls the execution of clutch actuating mechanism 6 if ECU electronic control unit 5 judges that gear 4 is in N gears or H gears
The operation that clutch 3 detaches, after clutch 3 is in discrete state, ECU electronic control unit 5 controls gear shifting actuating mechanism 7 and executes change
The operation of L gears is hung by fast mechanism 4, and last ECU electronic control unit 5 controls the operation that the execution clutch 3 of clutch actuating mechanism 6 combines and is
It can；
When ECU electronic control unit 5, which receives the stopping from VECU entire car controllers 8, inflates instruction, if ECU electronic control unit 5
Judge that clutch 3 is in bonding state, gear 4 is in N gears, then clutch actuating mechanism 6 and gear shifting actuating mechanism 7 are not held
Any operation of row controls the execution of clutch actuating mechanism 6 if ECU electronic control unit 5 judges that gear 4 is in L gears or H gears
The operation that clutch 3 detaches, after clutch 3 is in discrete state, ECU electronic control unit 5 controls gear shifting actuating mechanism 7 and executes change
The operation of N gears is hung by fast mechanism 4, and last ECU electronic control unit 5 controls the operation that the execution clutch 3 of clutch actuating mechanism 6 combines and is
It can.
Claims (3)
1. a kind of air compressor control mechanism, including air compressor（1）, engine（2）, the engine（2）By from
Clutch（3）With air compressor（1）Transmission cooperation, it is characterised in that：
The mechanism further includes for adjusting air compressor（1）The gear of rotating speed（4）, the gear（4）It is defeated
Enter axis and passes through clutch（3）With engine（2）Output shaft transmission cooperation, gear（4）Output shaft and air compressor
（1）Transmission cooperation, clutch（3）, gear（4）Control terminal with ECU electronic control unit（5）Signal connects, and ECU is automatically controlled
Unit（5）With VECU entire car controllers（8）Signal connects.
2. a kind of air compressor control mechanism according to claim 1, it is characterised in that：
The gear（4）For three gear gears, including H gears, L gears and N gears；
Work as gear（4）When being kept off in H, air compressor（1）Rotating speed be more than a；
Work as gear（4）When being kept off in L, air compressor（1）Rotating speed be a；
Work as gear（4）When being kept off in N, air compressor（1）Rotating speed be 0；
Wherein, a is air compressor under standing state（1）With engine（2）Tachometer value when gear connects.
3. a kind of air compressor control mechanism according to claim 1, it is characterised in that：The mechanism further include with from
Clutch（3）The clutch actuating mechanism being connected（6）With gear（4）The gear shifting actuating mechanism being connected（7）, it is described from
Clutch executing agency（6）, gear shifting actuating mechanism（7）Control terminal with ECU electronic control unit（5）Signal connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721881286.4U CN208073704U (en) | 2017-12-28 | 2017-12-28 | A kind of air compressor control mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721881286.4U CN208073704U (en) | 2017-12-28 | 2017-12-28 | A kind of air compressor control mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208073704U true CN208073704U (en) | 2018-11-09 |
Family
ID=64034216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721881286.4U Active CN208073704U (en) | 2017-12-28 | 2017-12-28 | A kind of air compressor control mechanism |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107965433A (en) * | 2017-12-28 | 2018-04-27 | 东风商用车有限公司 | A kind of air compressor control mechanism and its control method |
-
2017
- 2017-12-28 CN CN201721881286.4U patent/CN208073704U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107965433A (en) * | 2017-12-28 | 2018-04-27 | 东风商用车有限公司 | A kind of air compressor control mechanism and its control method |
| CN107965433B (en) * | 2017-12-28 | 2024-03-19 | 东风商用车有限公司 | Air compressor control mechanism and control method thereof |
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