CN202073645U - Engine energy-saving control system - Google Patents
Engine energy-saving control system Download PDFInfo
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- CN202073645U CN202073645U CN2011203005992U CN201120300599U CN202073645U CN 202073645 U CN202073645 U CN 202073645U CN 2011203005992 U CN2011203005992 U CN 2011203005992U CN 201120300599 U CN201120300599 U CN 201120300599U CN 202073645 U CN202073645 U CN 202073645U
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Abstract
The utility model belongs to the technical field of a motor vehicle, and relates to an engine energy-saving control system, which comprises a control switch and an engine electric control unit, wherein the control switch provides state signals, the engine electric control unit is connected with the control switch, the control switch is a rocker type switch with three positions, a position switching circuit corresponding to the three positions comprises two serially connected resistors with different resistance values, both ends of each resistor are respectively provided with a contact for totally forming three contacts, when the switch is respectively in the three positions of the switch, the two contacts are connected with the grounding and signal input end of the electric control unit, and the signal input end is also connected with a voltage current condenser (Vcc). The control system has the advantages that the cost is low, the installation is easy, the use is convenient, the influence on the oil consumption caused by driving habits is greatly reduced through influencing and improving the bad habits of drivers, and the engine energy-saving control system is applicable to the oil-saving control on the motor vehicle.
Description
Technical field
The utility model relates to motor car engine, particularly the engine energy-saving control system.
Background technique
The power resources of Motor Vehicle are in motor, and present motor car engine mainly is to adopt internal-combustion engine, also accounts for less ratio with electric motor car.
With reference to shown in Figure 2, all adopt ECU (Electrical Control Unit) ECU(Engine Control Unit at present) motor is controlled, particularly with the ECU (Electrical Control Unit) of microprocessor.ECU is except that comprising microprocessor, also comprise input circlult and output circuit, input circlult obtains the various signals such as temperature, pressure, rotating speed of motors or Motor Vehicle by various sensors, be converted into digital signal and input to microprocessor, microprocessor carries out computing to input signal, exports corresponding control command and gives output circuit, and output circuit is converted into the actuator driven signal with instruction, with the control engine running, make engine operation under controlled operating mode.
Along with the aggravation of process of industrialization, dependence and obviously raising of consumption to non-renewable energy resources such as oil, rock gases have not only caused energy pressure, also because emission greenhouse gas etc. have caused great external pressure.Therefore the fuel economy of Motor Vehicle is one of significant problem of facing of automotive field, faces the relevant provisions of laws and regulations of environmental protection on the one hand, improves fuel economy and helps energy saving and reduce CO2, NOx and sulfide emission; Face the challenge of soaring oil prices on the other hand, improving fuel economy is automobile consumer's consistent demand.
The efficient of motor car engine has than big difference under the different operating modes, for example the motor oil inflame is in the waste state that do not do work fully under the idling, even in the automobile travel condition, motor can not be operated in the optimum oil consumption state, for example high-grade low speed and low grade are run at high speed, and all belong to the higher non-economy travelling state of fuel consume.Under different load-carryings and different road conditions, the oil consumption of automobile also has than big-difference.
For this reason, CN201301754Y discloses a kind of " device and the switch that are used for the power of switching engine ", comprises the state signal receiving element, is configured to receive the signal of indication vehicle loading condition; The control signal generation unit is connected with described state signal receiving element, and is configured to generate the control signal that is used to control motor according to this signal that receives, so that motor is to be suitable for the power operation of described vehicle loading condition; State signal provides the unit, and it is connected with described state signal receiving element, and is configured to provide the signal of indication vehicle loading condition.It can be the load measuring equipment that obtains the Motor Vehicle load condition that state signal provides the unit, yet the working state difference of Motor Vehicle, the a plurality of device signal of the continually varying that load measuring equipment records, be difficult to the complex working condition of accurate response Motor Vehicle actual motion, therefore analyze by the ECU of control signal generation unit by these complicated parameter and accurately identification guarantee at optimum working zone with corresponding control motor, be complicated and difficulty on technology realizes, therefore the preferred forms that is provided in this patent documentation is to provide the unit with the polymorphic switch that is installed in the operator cabin as state signal, promptly judge according to vehicle load and select the Control work state by the driver, nationality produces the slave mode signal by this switch and gives ECU, again the working zone of being optimized by ECU control engine operation.The mode of this employing switch is judged and the selection working state with the driver, has more operability undoubtedly.In this most preferred embodiment, it is defined as " zero load ", " underloading ", " mark carries ", " heavy duty " one of four states, its switch adopts rotary switch, the working position of switch is four accordingly, the position change-over circuit is unified into by four resistance string between GND pin that is connected on ECU and 1.62 pins (Vcc), to obtain four signals that current potential is different.Though illustrate in this document, can or be less than one of four states more than four, undeclared except that this most preferred embodiment, how other state assignment mode divides, and does not also provide under the different conditions and how motor is controlled.
Yet, most preferred embodiment in this document, because corresponding one of four states, adopt rotary switch, when between two non-adjacent states, switching, to pass through the intermediateness of this non-adjacent state continuously, for example between " zero load " and " mark carries ", switch and to pass through " underloading ", switching between " zero load " and " heavy duty " will be through " underloading " and " mark carries ", this intermediateness produces corresponding signal and gives ECU, ECU also can produce control signal corresponding and to controlling component control motor its control signal be made a response, but because this intermediateness is unexpected working state, this impact still is all to be harmful and disadvantageous the motor concerning ECU.In addition, the operation of rotary switch is also inconvenient, and when adopting rocker type switch, one of four states will be used two switches at least, is not easy to the layout of switch and circuit.And, adopt four resistance serial fashions, each resistance is in running order all the time, once a resistance goes wrong, the value of electrical signals of each position change-over circuit correspondence all changes, cause whole switch all to be in abnormal working position, and be difficult to the place of decision problem, be unfavorable for maintenance, repair.
In addition, a kind of fuel-economizing switch that also has now provides " zero load ", " in carry " (or " load rating "), " be fully loaded with " three selections, but adopts rotary switch equally, and three position change-over circuits that resistance is connected.Has operation inconvenience so too, and the adverse effect to ECU and motor that will bring through " in carry " (or " load rating ") when switching between " zero load " and " being fully loaded with ", and a resistance goes wrong to the problem that influences of whole position change-over circuit.
Summary of the invention
At the deficiency that exists in the above-mentioned technology, the utility model provides a kind of engine energy-saving control system and control switch, is easy to install and operation, and work and control are stable.
For achieving the above object, the engine energy-saving control system that the utility model provides, comprise control switch that state signal is provided and the engine electric-controlled unit that is connected with control switch, it is characterized in that: described control switch is the rocker type switch that three positions are arranged, two resistance that resistance value is different that comprise series connection corresponding to the position change-over circuit of three positions, each resistance two ends is provided with the contact respectively and forms three contacts altogether, respectively when three positions of switch, wherein two contacts are connected in the ground connection and the signal input part of described ECU (Electrical Control Unit), and signal input part also meets Vcc.
Accordingly, also be provided with tutorial light in the position at described rocker type switch two ends, be connected in corresponding position change-over circuit, tutorial light is lighted when being in the relevant work position at switch.
Three positions of described rocker type switch are respectively " power ", " standard " and " economy ", described " standard " position is positioned at described rocker type switch neutral position, corresponding position change-over circuit is two resistance series connection, described power and economic position lay respectively at rocker type switch one end, and corresponding position change-over circuit is respectively in the described resistance.
The signal input part of described Vcc and ECU (Electrical Control Unit) also is in series with divider resistance.
Described ECU (Electrical Control Unit), its control section comprises: the rotational speed governor based on gear of adjusting the maximum speed that motor can reach at different gearbox gear; Be in the most high-grade anti-underdrive operating protector of the non-speed of a motor vehicle when the most high-grade by the restriction gearbox; The vehicle acceleration controller of the high-acceleration value of restriction vehicle; And the electronic vehicle speed controller of control vehicle level road maximum travel speed; Be in " economy " working position at described switch, the described rotational speed governor based on gear of described ECU (Electrical Control Unit) control, anti-underdrive operating protector, vehicle acceleration controller and electronic vehicle speed controller are in running order; When described switch was in " standard " working position, it is in running order that described ECU (Electrical Control Unit) is only controlled described rotational speed governor and anti-underdrive operating protector based on gear; When described switch was in " power " working state, described ECU (Electrical Control Unit) was not controlled engine speed.
Compared with prior art, the utlity model has following advantage: the rocker type switch that adopts three positions, corresponding change-over circuit road, position comprises two resistance that resistance value is different of series connection, each resistance two ends is provided with the contact respectively and forms three contacts altogether, respectively when three positions of switch, when removing a switching position is that two series resistorss all are in working position, a resistance job is only arranged in other working position, therefore a resistance goes wrong whole position change-over circuit was lost efficacy, and also is easy to judge to be which resistance goes wrong so that maintenance fast in addition in view of the above.Adopt rocker type switch, directly switch three working positions, easily change state signal, not only rocker type switch is more easy to operate than rotary switch, and avoids ECU (Electrical Control Unit) and the unnecessary impact of motor.
Description of drawings
Fig. 1 is a rocker type switch of the present utility model working position schematic representation;
Fig. 2 is a rocker type switch of the present utility model position change-over circuit schematic representation.
Embodiment
For clearer statement the utility model, the utility model will be further described below in conjunction with accompanying drawing.
As shown in Figure 2, a kind of engine energy-saving control system, comprise control switch that state signal is provided and the engine electric-controlled unit ECU that is connected with control switch, ECU is made of peripheral circuits such as microprocessor and input circlult and output circuits, the input end of input circlult and the temperature that is installed on the motor, pressure, speed probe connects to obtain the temperature signal of motor, engine condition such as pressure signal and tach signal information, the actuator driven signal that output circuit produces under microprocessor control drives final controlling element such as solenoid valve, can be used to control supplying fuel, air supply, cooling waters etc. are with the control engine speed, working staties such as power.
Provide the control switch of Motor Vehicle state signal to be illustrated in figure 1 as two rocker type switches of throwing of three positions, three positions of rocker type switch described in this preferred embodiment respectively corresponding " power ", " standard " and " economy " three kinds of status informations are to offer ECU.The Motor Vehicle major part is in " standard " state, therefore described " standard " position is positioned at described rocker type switch neutral position, described " power " and " economy " position then lay respectively at rocker type switch one end, just to provide corresponding state information to ECU when this end is pressed.As shown in Figure 2, rocker type switch comprises different resistance R 1, the R2 of two resistance values of series connection corresponding to the position change-over circuit of three positions, and each resistance two ends is provided with the contact respectively, forms three contacts 1,2,3 altogether.When three positions of switch, wherein two contacts are by being connected with contact A, B respectively, and A, B are connected in signal input part and the grounding end of described ECU (Electrical Control Unit) ECU, and signal input part also meets Vcc by divider resistance R3.In the present embodiment, switch is cast aside the pass for two, can realize following function by mechanical structure:
1, when switch ends was not all pressed, 1 in the switch and A connected, and 3 connect with B, and the signal voltage of sending in the microprocessor of ECU is (R3/(R1+R2+R3) * Vs, and the expression switch is in the B shelves---" standard " shelves;
2, when a certain end of switch was pressed, 1 connected with A in the switch, and 2 connect with B, and the signal voltage of sending in the ECU microprocessor is (R3/(R1+R3) * Vs, and the expression switch is in the E shelves---" economy " shelves;
3, when the switch the other end was pressed, 3 connected with A in the switch, and 2 connect with B, and the signal voltage of sending in the ECU microprocessor is (R3/(R2+R3) * Vs, and the expression switch is in the P shelves---" power " shelves.
Two casting aside closed the switch that adopts tape light, also is provided with tutorial light in the position of described rocker type switch two ends " economy " and " power " shelves, can adopt LED, be connected in corresponding position change-over circuit, corresponding LED connects power supply when pressing this end, is lighted, with the prompting current state.
In the present embodiment, to different conditions, the Motor Vehicle control mode can adopt various combination.At present on Cummins Engine, the Cummins Engine automatical control system has some characteristic electrons that can carry out balance to car load power character and Economy.Be specially:
Rotating speed based on gear is controlled at different gearbox gears, adjusts the maximum speed that motor can reach, to reach better fuel economy.
Anti-underdrive operating protective function: be in the non-speed of a motor vehicle when the most high-grade by the restriction gearbox and encourage the driver to use higher gear to travel, can reduce oil consumption, improve durability.
Vehicle acceleration control function: the high-acceleration value of restriction vehicle, can improve fuel economy, noise reduction.
Electronic vehicle speed control function: Motronic control maps system control vehicle level road maximum travel speed, can improve fuel economy, improve driving safety.
Present embodiment can make full use of Cummins Engine ripe above-mentioned four kinds of controllers and control combination, make when the fuel-economizing switch is in diverse location, the characteristic electron that has various combination is activated, reaches different power character Economy counterbalance effects.According to the situation of carload and road conditions, the driver understands the diverse location of selector switch, and control system can be carried out in various degree restriction to the power character of motor then, thereby reaches the fuel-economizing purpose.
Concrete scheme is: protect controller, vehicle acceleration controller and four kinds of controllers of electronic vehicle speed controller, different conditions scheme combination mode such as following table based on the rotational speed governor of gear, anti-underdrive operating above the control of the ECU (Electrical Control Unit) ECU of employing is adopted
The controlling schemes of table 1 different conditions correspondence
| ? | Rotating speed control based on gear | Anti-underdrive operating protection | Vehicle acceleration control | Electronic vehicle speed control |
| Power | ? | ? | ? | ? |
| Standard | √ | √ | ? | ? |
| Economical | √ | √ | √ | √ |
Promptly, be in " economy " working position at described switch, the described rotational speed governor based on gear of described ECU (Electrical Control Unit) control, anti-underdrive operating protector, vehicle acceleration controller and electronic vehicle speed controller are in running order, realize the rotating speed control based on gear, anti-underdrive operating protection, vehicle acceleration control and electronic vehicle speed control;
When described switch was in " standard " working position, it is in running order that described ECU (Electrical Control Unit) is only controlled described rotational speed governor and anti-underdrive operating protector based on gear, only carries out the rotating speed control based on gear, anti-underdrive operating protection control;
When described switch was in " power " working state, described ECU (Electrical Control Unit) was not controlled engine speed.
Driver selector motor-car operates in any state, select according to travel road conditions and car load, and suitable driving model then provides suggestion by following table.
State selection scheme under different road conditions of table 2 and the load
| ? | Smooth high speed | At a high speed uneven | Smooth national highway | Uneven national highway |
| Unloaded | E | E | E | E |
| Load rating | B | B | B | B |
| Fully loaded | B/P | P | B/P | B/P |
Because at road conditions and load, selected different conditions according to last table suggestion, ECU makes it be operated in rational state and assigns fuel-economizing and security purpose by engine speed is controlled.
Its advantage power: low cost; Easily install; Easy to use; By influencing and improve driver's bad steering custom, reduce greatly owing to the influence of driving habits to oil consumption.For example when zero load, select " economy " mode by rocker type switch; anti-underdrive operating protection is owing to be in the non-speed of a motor vehicle when the most high-grade by the restriction gearbox; make the driver when low grade, be difficult to obtain desirable travelling speed; by controlling based on the rotational speed governor of gear, anti-underdrive operating protector; and have to use higher gear to be travelled, reach and encourage the top grade purpose of travelling.When on " being fully loaded with " and uneven road, travelling, motor-driven vehicle going needs big power, by selecting " standard " or " power " state, restriction is stepped on the gas suddenly and is quickened fast and travel with fast speed, allow the driver can only adopt steadily, speed stabilizing is travelled, not only reach fuel-efficient energy-conservation purpose, also improve driving safety.In addition, not only consider the situation of load-carrying in the present embodiment, also considered the road conditions situation.
More than disclosed only be several specific embodiment of the present utility model, still, the utility model is not limited thereto, any those skilled in the art can think variation all should fall into protection domain of the present utility model.
Claims (7)
1. engine energy-saving control system, comprise control switch that state signal is provided and the engine electric-controlled unit that is connected with control switch, it is characterized in that: described control switch is the rocker type switch that three positions are arranged, two resistance that resistance value is different that comprise series connection corresponding to the position change-over circuit of three positions, each resistance two ends is provided with the contact respectively and forms three contacts altogether, respectively when three positions of switch, wherein two contacts are connected in the ground connection and the signal input part of described ECU (Electrical Control Unit), and signal input part also meets Vcc.
2. engine energy-saving control system as claimed in claim 1 is characterized in that: the position at described rocker type switch two ends also is provided with tutorial light, is connected in corresponding position change-over circuit.
3. engine energy-saving control system as claimed in claim 1 or 2, it is characterized in that: three state positions of described rocker type switch are respectively " power ", " standard " and " economy ", described " standard " position is positioned at described rocker type switch neutral position, and corresponding position change-over circuit is two resistance series connection; Described " power " and " economy " position lay respectively at rocker type switch one end, and corresponding position change-over circuit is respectively in the described resistance.
4. engine energy-saving control system as claimed in claim 3 is characterized in that: described ECU (Electrical Control Unit), and its control section comprises:
Adjust the rotational speed governor based on gear of the maximum speed that motor can reach at different gearbox gear;
Be in the non-the most high-grade anti-underdrive operating protector of speed of a motor vehicle when the most high-grade by the restriction gearbox;
The vehicle acceleration controller of the high-acceleration value of restriction vehicle;
And the electronic vehicle speed controller of control vehicle level road maximum travel speed;
Be in " economy " working position at described switch, the described rotational speed governor based on gear of described ECU (Electrical Control Unit) control, anti-underdrive operating protector, vehicle acceleration controller and electronic vehicle speed controller are in running order;
When described switch was in " standard " working position, it is in running order that described ECU (Electrical Control Unit) is only controlled described rotational speed governor and anti-underdrive operating protector based on gear;
When described switch was in " power " working state, described ECU (Electrical Control Unit) was not controlled engine speed.
5. engine energy-saving control system as claimed in claim 1 or 2 is characterized in that: the signal input part of described Vcc and described ECU (Electrical Control Unit) also is in series with divider resistance.
6. engine energy-saving control system as claimed in claim 3 is characterized in that: the signal input part of described Vcc and described ECU (Electrical Control Unit) also is in series with divider resistance.
7. engine energy-saving control system as claimed in claim 4 is characterized in that: the signal input part of described Vcc and described ECU (Electrical Control Unit) also is in series with divider resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203005992U CN202073645U (en) | 2011-08-18 | 2011-08-18 | Engine energy-saving control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203005992U CN202073645U (en) | 2011-08-18 | 2011-08-18 | Engine energy-saving control system |
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| CN202073645U true CN202073645U (en) | 2011-12-14 |
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| CN2011203005992U Expired - Lifetime CN202073645U (en) | 2011-08-18 | 2011-08-18 | Engine energy-saving control system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102963350A (en) * | 2011-08-31 | 2013-03-13 | 康明斯有限公司 | Electric control system and method for engine and engine comprising electric control system |
| CN104121107A (en) * | 2014-07-02 | 2014-10-29 | 潍柴动力股份有限公司 | Multi-power output control method and device |
| CN113071473A (en) * | 2021-03-22 | 2021-07-06 | 江铃汽车股份有限公司 | Coordinated control method for EPB mode and AMT gearbox of truck engine |
-
2011
- 2011-08-18 CN CN2011203005992U patent/CN202073645U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102963350A (en) * | 2011-08-31 | 2013-03-13 | 康明斯有限公司 | Electric control system and method for engine and engine comprising electric control system |
| CN104121107A (en) * | 2014-07-02 | 2014-10-29 | 潍柴动力股份有限公司 | Multi-power output control method and device |
| CN113071473A (en) * | 2021-03-22 | 2021-07-06 | 江铃汽车股份有限公司 | Coordinated control method for EPB mode and AMT gearbox of truck engine |
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Granted publication date: 20111214 |
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| CX01 | Expiry of patent term |