CN203452916U

CN203452916U - Automobile electronic oil-saving device

Info

Publication number: CN203452916U
Application number: CN201320430004.4U
Authority: CN
Inventors: 马文远
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-07-19
Filing date: 2013-07-19
Publication date: 2014-02-26
Anticipated expiration: 2023-07-19

Abstract

The utility model relates to the technical field of electric spraying engine oil-way control, in particular to an automobile electronic oil-saving device. The automobile electronic oil-saving device is characterized in that an NE555P temperature control delay module is included, a power source isolation module is respectively connected with the NE555P temperature control delay module and a voltage-reducing integrated circuit module, and a relay and the NE555P temperature control delay module are connected with an adjustable voltage dividing resistor and an audion switch circuit through the relay. According to the automobile electronic oil-saving device, a voltage dividing circuit begins to work after the temperature of an engine reaches about 85 DEG C, an engine air inlet pressure senor or an air flow sensor provides different voltage signals for an ECU under the situation that the rotating speeds and the loads are different, the relative moderation is reduced, and the oil-saving purpose is achieved. The automobile electronic oil-saving device has the advantages that installation is convenient, the automatic control degree is high, a current is basically not consumed, and the oil-saving efficiency is high.

Description

A kind of Automitive electronic economizer

Technical field

The present invention relates to, for electronic fuel injection engine oil circuit control technique field, especially relate to a kind of Automitive electronic economizer.

Background technique

The product in present Energy saving Auto Products market, fuel-saving efficiency is extremely low, such as on automobile cigarette lighter, insert that be exactly that to add electric capacity that in addition, it is the effect with a filtering, the problem oil-saving effect that does not solve fuel injection pulsewidth from source is lower, in the oil circuit of gasoline, add exactly that in addition bar magnet just plays filtration and magnetized effect, also from source, do not solve the problem of fuel injection pulsewidth, to gas handling system, add secondary air inlet exactly in addition, air inflow is greatly, and same fuel injection pulsewidth is also large, so be also unfavorable for fuel-economizing, be exactly to suction tude oxygenation in addition by aerator, supercharging, to play to a certain extent certain oil-saving effect like this, but oxygenation, supercharging is limited, role is little, and cost is too high, more complicated is installed, expend the burden of electric current a larger increase generator and storage battery, be unfavorable for promoting.

Summary of the invention

The object of the invention is to avoid the poor defect of oil-saving effect of prior art that a kind of Automitive electronic economizer is provided, thereby effectively solve the defect existing in existing fuel-saving technique.

For achieving the above object, the technological scheme that the utility model is taked is: described a kind of Automitive electronic economizer, be characterized in comprising NE555P temp controlled delay module, power isolation module B0505S is connected with step-down integrated circuit module LM2596 with NE555P temp controlled delay module respectively, and relay is connected with transistor switching circuit with adjustable resistance by relay with NE555P temp controlled delay module.

Described step-down integrated circuit module is external+12V and-bonding (storage battery negative pole) ignition switch controls out-put supply, 2 pins of step-down integrated circuit module are connected with 1 pin of power isolation module, 2 pins of power isolation module respectively with 1 of step-down integrated circuit module, 3, 5 are connected with 2 pins, between 1 pin of step-down integrated circuit module and 2 pins of power isolation module, be provided with filter capacitor C1, between 2 pins of step-down integrated circuit module and 2 pins of power isolation module, filter capacitor C2 and reference diode D1 have been arranged in parallel, between the node that filter capacitor C2 and reference diode D1 are connected with 2 pins of step-down integrated circuit module, be provided with inductance L 1, 4 pins of power isolation module are by the external temperature detect switch (TDS) of resistance R 5, 3 of power isolation module, 4 pins respectively with 1 of NE555P temp controlled delay module, 8 pins are corresponding to be connected, 2 pins of NE555P temp controlled delay module are connected with 4 pins of power isolation module with resistance R 1 by adjustable resistance R2, 2 pins of NE555P temp controlled delay module are by the external temperature detect switch (TDS) of resistance R 6, 2 pins of NE555P temp controlled delay module are connected with 6 pins, 2 pins of NE555P temp controlled delay module are by time delay charging capacitor C3 ground connection, 3 pins of NE555P temp controlled delay module are connected with relay SRD-05VDC2 with relay SRD-05VDC1 respectively, the output of relay SRD-05VDC2 one end is by the external cooling-water temperature sensor of resistance R 3, relay SRD-05VDC2 the other end output water receiving temperature sensor, relay SRD-05VDC1 is connected with adjustable resistance R4, the adjustable side of adjustable resistance R4 is drawn to connect and is inputed to ECU, the output of relay SRD-05VDC1 one end connects pressure sensor signal Voltage-output, adjustable resistance R4 is connected with adjustable resistance R7, adjustable resistance R7 and speed-up capacitor C4, adjustable resistance R8, resistance R 11, positive feedback capacitor C 5, diode D2, diode D3, triode Q1 is connected with triode Q2 and draws and connects ECU tower iron negative pole, in triode Q1 and triode Q2 base stage, be provided with base stage current-limiting resistance R9, on triode Q2 collector electrode, be provided with collector electrode current-limiting resistance R10.

Described triode Q1 and triode Q2 are NPN silicon triode.

The beneficial effects of the utility model are: described a kind of Automitive electronic economizer, it can guarantee that engine temperature reaches the 80 rear bleeder circuits in degree left and right and starts working, realize the voltage signal different (appropriateness reduces relatively) that engine charge pressure transducer or air flow sensor provide to ECU when different rotating speeds different load, thereby reach the object of fuel-economizing.It is easy for installation, and the degree of automatically controlling is high, does not substantially expend electric current, the advantage that fuel-saving efficiency is higher.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model is further illustrated.

Fig. 1 is the utility model circuit principle structure principle schematic.

Embodiment

Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only for explaining the utility model, is not intended to limit scope of the present utility model.

As shown in Figure 1, described a kind of Automitive electronic economizer, be characterized in comprising NE555P temp controlled delay module, power isolation module is connected with step-down integrated circuit module with NE555P temp controlled delay module respectively, and relay is connected with transistor switching circuit with adjustable resistance by relay with NE555P temp controlled delay module.

Described triode Q1 and triode Q2 are NPN silicon triode.

Described a kind of Automitive electronic economizer, during its work, after isolating by step-down during 12V DC electrical source when driver opens ignition switch, to temp controlled delay module, providing electricity (is to prevent from burning ECU after circuit from going wrong like this, because the control signal of ECU is to be all operated in 5V), at this moment module output current now allows the dividing potential drop partial short circuit of bleeder circuit by relay closes (relay selects enclosed relay), bleeder circuit does not play dividing potential drop effect, at this moment use is that the intake pressure sensor signal of former car and the signal voltage of air flow sensor are to ECU, another relay adds a shunt resistor by a fixed resistance to cooling-water temperature sensor, high idle speed while making engine cold-start like this can be not too high, (one side delay circuit time-lag action when engine temperature reaches 80 degree left and right substantially, on the other hand after thermal switch closure, by less resistance, to delay capacitor, charge, can shorten delay time like this, design can allow motor no matter be the different automatic adjusting of cold start-up or the delay time of thermal starting like this, shorten engine warming up time and pre-heat effect), when motor reaches 80 degree left and right substantially, delay capacitor is full of, NE555P no longer provides electric current to relay, relay disconnects, at this moment (bleeder circuit adopts bridge-type dividing potential drop form in bleeder circuit participation work, by accurate adjustable resistance and fixed resistance and transistor switching circuit etc., formed), before installation, by test, regulate appropriateness just passable in advance, when driver's ato unit is that bleeder circuit is partly that the voltage divider of short circuit does not play dividing potential drop effect, dense mixer while guaranteeing to start is like this beneficial to startup, after coming on engine temperature, bleeder circuit starts participation work, during idling, Q2 transistor base current potential is lower, just having entered amplification region makes collector resistance less to ECU bonding dividing potential drop through triode again, at this moment idling is compared with rich mixture, guarantee the stability of idling, when driver accelerates, air inlet pressure sensor or air flow sensor make Q2 triode progress into saturation region to the voltage rising of bleeder circuit, dividing potential drop is larger, when anxious acceleration, (when voltage signal is changed by 4V-1.5V) was as long as while doing 3.2V, the effect of speed-up capacitor C4, make the rapid conducting of Q1 triode enter (saturation region), make Q2 cut-off, at this moment Q1 collector resistance (larger resistance) conducting enters bonding, the voltage that makes like this to flow to ECU is higher, make to accelerate relatively strong, Q1 cut-off when voltage drops to 2.7 left and right, although (3.2V drops to this section of process of 2.7V, it is less that Q1 exits in the process that saturation region enters cut-off region dividing potential drop, but still belong to during this period of time accelerating process, so without prejudice), at this moment Q2 conducting, fuel injection pulsewidth while making to hold gas pedal like this declines, relatively having realized idling is compared with rich mixture, acceleration is to do mixed gas, holding throttle is weak mixture.

Described a kind of Automitive electronic economizer is arranged under automobile cab instrument panel also can be arranged on the fuse box place in the fuse box in cabin or under instrument panel, and automobile power source (power supply that ignition switch is controlled) provides working power to electronic gasoline economizer, 1; D type fuel injection system line connecting method; Three lines of air inlet pressure sensor (ECU ground strap, one input to the signaling line that the signaling line of electronic gasoline economizer, electronic gasoline economizer export to ECU and be connected), two signaling lines of cooling-water temperature sensor are connected with electronic gasoline economizer, electron temperature switch is installed on air conditioning warm air water pipe and is connected with electronic gasoline economizer.2; L-type fuel injection system line connecting method; Three lines of air flow sensor (ECU ground strap, one input to the signaling line that the signaling line, of electronic gasoline economizer export to ECU by electronic gasoline economizer and be connected), two signaling lines of cooling-water temperature sensor are connected with electronic gasoline economizer, and air conditioning warm air water pipe is installed electron temperature switch and is connected with electronic gasoline economizer.(realized above plug connector, avoided broken line, made to install more convenient and quicker)

The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims

1. an Automitive electronic economizer, it is characterized in that comprising NE555P temp controlled delay module, power isolation module B0505S is connected with step-down integrated circuit module LM2596 with NE555P temp controlled delay module respectively, and relay is connected with transistor switching circuit with adjustable resistance by relay with NE555P temp controlled delay module.

2. a kind of Automitive electronic economizer as claimed in claim 1, it is characterized in that: described step-down integrated circuit module is external+12V and-the negative pole ignition switch of bonding power supply controls out-put supply, 2 pins of step-down integrated circuit module are connected with 1 pin of power isolation module, 2 pins of power isolation module respectively with 1 of step-down integrated circuit module, 3, 5 are connected with 2 pins, between 1 pin of step-down integrated circuit module and 2 pins of power isolation module, be provided with filter capacitor C1, between 2 pins of step-down integrated circuit module and 2 pins of power isolation module, filter capacitor C2 and reference diode D1 have been arranged in parallel, between the node that filter capacitor C2 and reference diode D1 are connected with 2 pins of step-down integrated circuit module, be provided with inductance L 1, 4 pins of power isolation module are by the external temperature detect switch (TDS) of resistance R 5, 3 of power isolation module, 4 pins respectively with 1 of NE555P temp controlled delay module, 8 pins are corresponding to be connected, 2 pins of NE555P temp controlled delay module are connected with 4 pins of power isolation module with resistance R 1 by adjustable resistance R2, 2 pins of NE555P temp controlled delay module are by the external temperature detect switch (TDS) of resistance R 6, 2 pins of NE555P temp controlled delay module are connected with 6 pins, 2 pins of NE555P temp controlled delay module are by time delay charging capacitor C3 ground connection, 3 pins of NE555P temp controlled delay module are connected with relay SRD-05VDC2 with relay SRD-05VDC1 respectively, the output of relay SRD-05VDC2 one end is by the external cooling-water temperature sensor of resistance R 3, relay SRD-05VDC2 the other end output water receiving temperature sensor, relay SRD-05VDC1 is connected with adjustable resistance R4, the adjustable side of adjustable resistance R4 is drawn to connect and is inputed to ECU, the output of relay SRD-05VDC1 one end connects pressure sensor signal Voltage-output, adjustable resistance R4 is connected with adjustable resistance R7, adjustable resistance R7 and speed-up capacitor C4, adjustable resistance R8, resistance R 11, positive feedback capacitor C 5, diode D2, diode D3, triode Q1 is connected with triode Q2 and draws and connects ECU tower iron negative pole, in triode Q1 and triode Q2 base stage, be provided with base stage current-limiting resistance R9, on triode Q2 collector electrode, be provided with collector electrode current-limiting resistance R10.

3. a kind of Automitive electronic economizer as claimed in claim 2, is characterized in that: described triode Q1 and triode Q2 are NPN silicon triode.