CN105604923A - Control device and control method of clutch air compressor system - Google Patents
Control device and control method of clutch air compressor system Download PDFInfo
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- CN105604923A CN105604923A CN201510963666.1A CN201510963666A CN105604923A CN 105604923 A CN105604923 A CN 105604923A CN 201510963666 A CN201510963666 A CN 201510963666A CN 105604923 A CN105604923 A CN 105604923A
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- Prior art keywords
- air compressor
- clutch
- compressor machine
- gas cylinder
- control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/02—Stopping, starting, unloading or idling control
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention discloses a control method of a clutch air compressor system. The clutch air compressor system comprises a clutch and an air compressor, wherein the air compressor is used for leading air into an air cylinder, and the clutch is used for controlling the air compressor. The control method comprises the following steps that 10, whether an engine is in an overrun state or brake state or not is judged, if so, the step 20 is executed; 20, the clutch is controlled to be in an engaged state so as to enable the air compressor to be in a working state. When the engine is in the overrun state or brake state, the clutch is engaged with the air compressor to enable the air compressor to be still in the working state, the braking power is increased while energy recovery is performed, and accordingly the utilization rate of engine energy and the braking power are improved.
Description
Technical field
The present invention relates to vehicle mechanical technical field, particularly the control of clutch air compressor systemDevice processed and control method.
Background technology
Gas compressor, as a kind of important energy production generating apparatus, is widely used in life rawThe links producing. The compressed gas energy that heavy-load automobile air compressor machine produces is widely used in heavilyCarry automobile brake, air horn, clutch power-assisted, speed change power-assisted, meet an urgent need important to tyre inflating etc.Link, therefore, air compressor machine plays a part very important to the pneumatic system of automobile.
When engine running, drive the bent axle of air compressor machine to rotate by travelling gear, thereby driveAir compressor machine running, in order to realize the control to air compressor machine duty, by clutch and pneumaticsThe engagement of machine or separation realize the control of the duty to air compressor machine. Meanwhile, due to this pneumaticsThe Compressed Gas that machine produces contains moisture and small the mixing that can not filter out by general filterMatter, the impurity that makes the pneumatic system of vehicle be easy to be sneaked into stops up, therefore, in order to preventStop up, between air compressor machine and gas cylinder, be also provided with air dryer.
But in above-mentioned air compressor system, when engine, in overrun state, (engine is notOil spout, not oil-feed, but still at the state of running) or when braking state, clutch may be inReleased state, now, air compressor machine quits work, still, because engine is now still in running,Thereby cause the race of engine in this process, mechanical power external done in its operation process transformsFor heat exhaustion, thereby make capacity usage ratio lower.
In view of the defect that the air compressor system of above-mentioned engine exists, urgently provide a kind of engineThe air compressor system that capacity usage ratio is higher.
Summary of the invention
For solving the problems of the technologies described above, the first object of the present invention is for providing a kind of clutch pneumaticsThe control method of machine system, when engine is during in overrun state or braking state, by clutchDevice engages with air compressor machine, makes air compressor machine still in running order, when carrying out energy recoveryIncrease braking power, thereby improve utilization rate and the braking power of engine power. Of the present inventionThe second object is for providing a kind of control device of clutch air compressor system.
For realizing the first object of the present invention, the invention provides a kind of clutch air compressor systemControl method, described clutch air compressor system comprises clutch and air compressor machine, described air compressor machineFor gas is passed into gas cylinder, described clutch is used for controlling described air compressor machine; Described controlMethod comprises the steps:
10) judge that engine, whether in overrun state or braking state, if so, walksRapid 20);
20) control described clutch in engagement, so that described air compressor machine is in work shapeState.
In the present invention, when engine is during in overrun state or braking state, carry out step20), make air compressor machine still in running order, the mechanical power of engine is still for driving pneumaticsMachine running, thus the energy of engine is fully used. In addition, when engine inOverrun state or braking state, when air compressor machine still turns round, can improve the braking power of engine.Therefore, the control method of the clutch air compressor system in the present invention can improve the energy of engineUtilization rate and braking power.
Alternatively, step 20) in, also judge that whether described gas cylinder is full of, and if so, walksRapid 21), if not, carry out step 22);
21) between itself and described gas cylinder of described air compressor machine control, the gas in gas piping is discharged instituteState clutch air compressor system;
22) between itself and described gas cylinder of described air compressor machine control, the gas in gas piping enters instituteState gas cylinder.
Alternatively, step 10) in, if described engine is not in overrun state or brake shapeState, also judges that whether described gas cylinder is full of, and if so, carry out step 31), if not, carry out step32)；
31) control described clutch in released state, so that described air compressor machine quits work;
32) control described clutch in engagement, so that described air compressor machine is in work shapeState.
In order to realize the second object of the present invention, the present invention also provides a kind of clutch air compressor machine to beThe control device of system, described clutch air compressor system comprises clutch and air compressor machine, described skyPress is for passing into gas cylinder by gas, and described clutch is used for controlling described air compressor machine, described inControl device comprises:
Controller, for judging the duty of engine, and when described engine inWhen overrun state or braking state, send open command;
The first actuator, according to clutch described in described open command control in engagement,So that described air compressor machine is in running order.
Alternatively, described the first actuator comprises and being connected between described gas cylinder and described clutchThree-way magnetic valve, described three-way magnetic valve is by described open command control.
Alternatively, also comprise that being connected in second between described clutch and described gas cylinder carries outDevice, described the second actuator according to clutch described in the pressure control in described gas cylinder in engagementState or released state.
Alternatively, described the second actuator is to be connected between described clutch and described gas cylinderAir dryer;
Described the first actuator is connected with described gas cylinder by described air dryer.
Brief description of the drawings
Fig. 1 is the specifically reality of one of the control device of clutch air compressor system provided by the present inventionExecute routine schematic diagram;
Fig. 2 is that the first of control method of clutch air compressor system provided by the present invention is concreteThe flow chart of embodiment;
Fig. 3 is that the second of control method of clutch air compressor system provided by the present invention is concreteThe flow chart of embodiment.
In Fig. 1-3:
1 air compressor machine, 2 clutches, 3 gas cylinders, 4 controllers, 5 three-way magnetic valves, 6 air are driedDevice.
Detailed description of the invention
In order to make those skilled in the art understand better technical scheme of the present invention, knot belowThe present invention is described in further detail to close the drawings and specific embodiments.
Please refer to accompanying drawing 1-2, wherein, Fig. 1 is clutch air compressor system provided by the present inventionThe schematic diagram of a kind of specific embodiment of control device; Fig. 2 is clutch pneumatics provided by the present inventionThe flow chart of the first specific embodiment of the control method of machine system; Fig. 3 is provided by the present inventionThe flow chart of the second specific embodiment of the control method of clutch air compressor system.
In a kind of detailed description of the invention, the invention provides a kind of control of clutch air compressor systemMethod processed, this clutch air compressor system comprises clutch 2 and air compressor machine 1, wherein, air compressor machine 1For air is passed into gas cylinder 3, clutch 2 is for controlling this air compressor machine 1; As shown in Figure 2,This control method comprises the steps:
S110: judge that engine, whether in overrun state or braking state, if so, carries outStep S120.
Wherein, described in prior art, the not oil spout of overrun state mean engine of engine,Not oil-feed, but still the state turning round.
S120: solenoidoperated cluthes 2 are in engagement, so that air compressor machine 1 is in running order.
In the present embodiment, as shown in Figure 1, the control device of this clutch air compressor system comprisesController 4 and the first actuator, when concrete operations, when controller 4 detect engine inWhen overrun state or braking state, send open command, this open command control first is carried outDevice is opened, and the first actuator solenoidoperated cluthes 2, in engagement, make air compressor machine 1 in workMake state. Now, this clutch air compressor system is except comprising between air compressor machine 1 and gas cylinder 3Common gas circuit outside, also comprise the control gas circuit being formed by the first actuator, when the first actuatorWhen unlatching, this control gas circuit is communicated with.
Wherein, as shown in Figure 1, when common gas circuit is engine work, air compressor machine 1 is by skyGas passage when gas passes into gas cylinder 3 represents with double solid line in Fig. 1; Controlling gas circuit sends out for working asMotivation in the time of overrun state or braking state, air compressor machine 1, the first actuator and gas cylinder 3 threeGas passage between person represents with doublet in Fig. 1. In addition, the single dotted line table in Fig. 1Show the control path of controller 4.
It will be understood by those skilled in the art that in engine system, controller is for being generally ECU(electronic control unit).
In existing air compressor system, when engine in overrun state (not oil spout of engine,Not oil-feed, but still at the state of running) or when braking state, clutch may be in separating shapeState, now, air compressor machine quits work, still, because engine is now still in running, therebyCause the race of engine in this process, mechanical power external done in its operation process is converted into heatAmount consumes, thereby makes capacity usage ratio lower.
In the present embodiment, when engine is during in overrun state or braking state, clutch 2In engagement, thereby make air compressor machine 1 still in running order, can continue to produce Compressed Gas,Ensure that the each pneumatic means of car load has enough compressed gas scale of constructions, now, the mechanical power of engineStill for driving air compressor machine 1 to turn round, thereby the energy of engine is fully used.
In addition, when engine is in overrun state or braking state, when air compressor machine still turns round,Can improve the braking power of engine. Therefore, clutch air compressor system in the present embodimentControl method can improve capacity usage ratio and the braking power of engine.
Further, in the second specific embodiment, as shown in Figure 3, provided by the present inventionControl method comprise the steps:
S220: when engine is during in overrun state or braking state, judge gas cylinder 3 whetherBe full of, if so, carry out step S221, if not, carry out step S222.
S221: air compressor machine 1 control its with gas cylinder 3 between gas discharge clutch in gas pipingAir compressor system.
When engine is during in overrun state or braking state, air compressor machine 1 is in running order,And the common gas circuit between air compressor machine 1 and gas cylinder 3 is communicated with, controls gas circuit and be communicated with atmosphere. Now,In the time that gas cylinder 3 is full of, the Compressed Gas that air compressor machine 1 produces can not enter gas cylinder 3, should but dischargeClutch air compressor system, now, because air compressor machine 1 is in running order, can improve engineBraking power when overrun state or braking state.
S222: air compressor machine 1 is controlled the gas in gas piping between itself and gas cylinder 3 and entered gas cylinder 3.
When engine is during in overrun state or braking state, air compressor machine 1 is in running order,And now the common gas circuit between air compressor machine 1 and gas cylinder 3 is communicated with, controls gas circuit and be communicated with atmosphere.Now, when gas cylinder 3 underfill, under the effect of air compressor machine 1, Compressed Gas is passed through to common gasRoad is filled with in gas cylinder 3, improves the compressed gas scale of construction of clutch air compressor system, ensures the each gas of car loadMoving device is normally worked. Meanwhile, the mechanical power during by engine overrun state or braking stateRationally utilize, when carrying out energy recovery, increase braking power, improve the energy profit of engineBy rate and braking power.
Further, in the third specific embodiment, as shown in Figure 3, the present invention carriesThe control method of confession also comprises the steps:
S330: if engine, in normal operating conditions, continues to judge whether gas cylinder 3 is full of,If so, carry out step S331, if not, carry out step S332;
S331: solenoidoperated cluthes 2 are in released state, so that air compressor machine 1 quits work.
As mentioned above, when engine is during in normal operating conditions, the first actuator is closed, thisTime, between clutch 2 and gas cylinder 3, be connected by the second actuator, and above-mentioned common gas circuit and controlGas circuit processed is all communicated with. Particularly, it will be understood by those skilled in the art that the second actuator is commonAdopt air dryer 6, and in this air dryer 6, be integrated with unloader, this air dryer 6For removing moisture and the impurity of Compressed Gas.
Work as engine work, and gas cylinder 3 is while being full of, it is dry that the pressure in gas cylinder 3 promotes airThe unloader of dry device 6 is opened, and Compressed Gas is by control mouth and the clutch 2 of air dryer 6Be communicated with, because the pressure of this Compressed Gas is higher than the operating pressure of clutch 2, make clutch 2Separate with air compressor machine 1, air compressor machine 1 quits work.
S332: solenoidoperated cluthes 2 are in engagement, so that air compressor machine 1 is in running order.
Work as engine work, and when gas cylinder 3 underfill, the insufficient pressure in gas cylinder 3 so thatUnloader is opened, and now, clutch 2 is in engagement, so that air compressor machine 1 is in work shapeState, continues to inflate in gas cylinder 3.
So arrange, in the time of engine work, air compressor machine 1 only gas cylinder 3 less than time inDuty, when gas cylinder 3 is full of, clutch 2 is controlled air compressor machine 1 and is quit work, thereby realizes emptyWorking as required of press 1, compared with the air compressor machine of clutch is not set in prior art, this enforcementClutch air compressor system in example can reduce energy consumption greatly, and the service life of improving equipment.
The present invention also provides a kind of control device of clutch air compressor system, comprises above-mentioned controlDevice processed, the first actuator. Wherein, controller is used for judging the duty of engine, and works asEngine, in the time of overrun state or braking state, sends open command; The first actuator is usedAccording to above-mentioned open command solenoidoperated cluthes 2 in engagement, so that air compressor machine 1 is in workMake state.
Further, this clutch air compressor system also comprises and being located between clutch 2 and gas cylinder 3The second actuator, this second actuator according to the pressure solenoidoperated cluthes 2 in gas cylinder 3 in nibblingClose state or released state, the work shape of air compressor machine 1 while normally work for control engineState, specific operation process is described above, repeats no more herein. And this second actuator can be skyGas dryer 6.
Particularly, the first actuator comprises the threeway electromagnetism being connected between gas cylinder 3 and clutch 2Valve 5, the open command control that this three-way magnetic valve 5 sends by controller 4.
As shown in Figure 1, this three-way magnetic valve 5 is connected between clutch 2 and air dryer 5Control gas circuit, make this three-way magnetic valve 5 there are following two kinds of working positions according to whether switching on. WhenWhen three-way magnetic valve 5 is switched on, above-mentioned control gas circuit is communicated with atmosphere; When three-way magnetic valve no powerTime, above-mentioned control gas circuit is communicated with clutch 2 and air dryer 5.
In the time of engine work, these three-way magnetic valve 5 no powers, in the second working position,Now, the Compressed Gas that air compressor machine 1 produces enters gas cylinder 3. When engine is in overrun stateOr when braking state, controller 4 sends open command, to control three-way magnetic valve 5 and switch on, these are three years oldThree-way electromagnetic valve 5, in the first working position, is now controlled gas circuit and is communicated with atmosphere, in the effect of pressure reductionUnder, solenoidoperated cluthes 2 engage, so that air compressor machine 1 is in running order.
It will be understood by those skilled in the art that above-mentioned the first actuator is not limited in by threewayMagnetic valve 5 is realized, and also can adopt other structure, for example, between clutch 2 and gas cylinder 3, can pass throughElectronic control air drier is communicated with, integral control circuit in this electronic control air drier, meanwhile,In this control gas circuit, pressure sensor is set, the pressure that controller is measured according to this pressure sensorPower value and control circuit are realized the control to clutch 2, and then realize air compressor machine 1 dutyControl. Therefore, this electronic control air drier is integrated, and above-mentioned the first actuator and second is carried outThe function of device.
But, the three-way magnetic valve 5 in the present embodiment with electronic control air drier be set coordinate pressurePower sensor is compared, simple in structure, and cost is lower, and owing to for clutch air compressor machine beingThe electronic control air drier technology of system is still immature, causes control procedure error higher. Therefore,The first actuator in the present embodiment is preferably three-way magnetic valve 5.
Control device to a kind of clutch air compressor system provided by the present invention and control aboveMethod processed is all described in detail. Applied specific case herein to principle of the present invention andEmbodiment is set forth, and the explanation of above embodiment is just of the present invention for helping to understandMethod and core concept thereof. It should be pointed out that for those skilled in the art,Under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention,These improvement and modification also fall in the protection domain of the claims in the present invention.
Claims (7)
1. a control method for clutch air compressor system, described clutch air compressor systemComprise clutch (2) and air compressor machine (1), described air compressor machine (1) is for passing into gas by gasIn bottle (3), described clutch (2) is for controlling described air compressor machine (1); It is characterized in that,Described control method comprises the steps:
10) judge that engine, whether in overrun state or braking state, if so, walksRapid 20);
20) control described clutch (2) in engagement, so that described air compressor machine (1)In running order.
2. control method according to claim 1, is characterized in that step 20) in,Also judge that whether described gas cylinder (3) is full of, and if so, carry out step 21), if not, walkRapid 22);
21) described air compressor machine (1) is controlled between itself and described gas cylinder (3) in gas pipingGas is discharged described clutch air compressor system;
22) described air compressor machine (1) is controlled between itself and described gas cylinder (3) in gas pipingGas enters described gas cylinder (3).
3. control method according to claim 1, is characterized in that step 10) in,If described engine, not in overrun state or braking state, also judges described gas cylinder (3)Whether be full of, if so, carry out step 31), if not, carry out step 32);
31) control described clutch (2) in released state, so that described air compressor machine (1)Quit work;
32) control described clutch (2) in engagement, so that described air compressor machine (1)In running order.
4. a control device for clutch air compressor system, described clutch air compressor systemComprise clutch (2) and air compressor machine (1), described air compressor machine (1) is for passing into gas by gasIn bottle (3), described clutch (2), for controlling described air compressor machine (1), is characterized in that,Described control device comprises:
Controller (4), for judging the duty of engine, and when described engine inWhen overrun state or braking state, send open command;
The first actuator, according to clutch (2) described in described open command control in engagementState, so that described air compressor machine (1) is in running order.
5. control device according to claim 4, is characterized in that, described first carries outDevice comprises the three-way magnetic valve (5) being connected between described gas cylinder (3) and described clutch (2),Described three-way magnetic valve (5) is by described open command control.
6. control device according to claim 4, is characterized in that, also comprises and being connected inThe second actuator between described clutch (2) and described gas cylinder (3), described second carries outDevice according to clutch (2) described in the pressure control in described gas cylinder (3) in engagement orReleased state.
7. control device according to claim 6, is characterized in that, described second carries outDevice is for being connected in the air dryer (6) between described clutch (2) and described gas cylinder (3);
Described the first actuator is connected with described gas cylinder (3) by described air dryer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510963666.1A CN105604923A (en) | 2015-12-18 | 2015-12-18 | Control device and control method of clutch air compressor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510963666.1A CN105604923A (en) | 2015-12-18 | 2015-12-18 | Control device and control method of clutch air compressor system |
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| Publication Number | Publication Date |
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| CN105604923A true CN105604923A (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510963666.1A Pending CN105604923A (en) | 2015-12-18 | 2015-12-18 | Control device and control method of clutch air compressor system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058763A (en) * | 2018-08-14 | 2018-12-21 | 东风商用车有限公司 | Intelligent embedded type variable gas storage volume energy recovery device for vehicle |
| CN110107475A (en) * | 2019-04-23 | 2019-08-09 | 东风商用车有限公司 | A kind of pressurization disengaging type air compressor system |
| CN110410208A (en) * | 2019-07-19 | 2019-11-05 | 东风商用车有限公司 | A kind of booster and air compressor machine United Assistant Brake system |
| CN110925168A (en) * | 2019-09-30 | 2020-03-27 | 潍柴动力股份有限公司 | Cooling control method and cooling control device for air compressor of engine |
| CN114802247A (en) * | 2022-04-25 | 2022-07-29 | 广西玉柴机器股份有限公司 | Control method and device for improving vehicle braking power |
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| CN104121474A (en) * | 2014-06-30 | 2014-10-29 | 潍柴动力股份有限公司 | Vehicle and inflation system thereof as well as inflation method |
| CN104948438A (en) * | 2015-07-14 | 2015-09-30 | 潍柴动力股份有限公司 | Control device of air compressor |
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| CN102069788A (en) * | 2010-10-15 | 2011-05-25 | 北京工业大学 | Pneumatic vehicular braking energy recovery and recycling device and control method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058763A (en) * | 2018-08-14 | 2018-12-21 | 东风商用车有限公司 | Intelligent embedded type variable gas storage volume energy recovery device for vehicle |
| CN109058763B (en) * | 2018-08-14 | 2024-01-02 | 东风商用车有限公司 | Intelligent embedded energy recovery device with variable gas storage volume for vehicle |
| CN110107475A (en) * | 2019-04-23 | 2019-08-09 | 东风商用车有限公司 | A kind of pressurization disengaging type air compressor system |
| CN110410208A (en) * | 2019-07-19 | 2019-11-05 | 东风商用车有限公司 | A kind of booster and air compressor machine United Assistant Brake system |
| CN110925168A (en) * | 2019-09-30 | 2020-03-27 | 潍柴动力股份有限公司 | Cooling control method and cooling control device for air compressor of engine |
| CN110925168B (en) * | 2019-09-30 | 2022-09-23 | 潍柴动力股份有限公司 | Cooling control method and cooling control device for air compressor of engine |
| CN114802247A (en) * | 2022-04-25 | 2022-07-29 | 广西玉柴机器股份有限公司 | Control method and device for improving vehicle braking power |
| CN114802247B (en) * | 2022-04-25 | 2024-04-26 | 广西玉柴机器股份有限公司 | Control method and device for improving braking power of vehicle |
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Application publication date: 20160525 |
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