CN204804962U - Automobile -used natural gas electronic control sprays gas supply system - Google Patents
Automobile -used natural gas electronic control sprays gas supply system Download PDFInfo
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- CN204804962U CN204804962U CN201520264398.XU CN201520264398U CN204804962U CN 204804962 U CN204804962 U CN 204804962U CN 201520264398 U CN201520264398 U CN 201520264398U CN 204804962 U CN204804962 U CN 204804962U
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- gas
- supply system
- sensor
- electronic control
- automobile
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Abstract
The utility model discloses an automobile -used natural gas electronic control sprays gas supply system comprises gas supply system, electronic control system, power supply system. The gas supply system includes that gas bottle, gas pump, fuel filtrate ware, pressure regulator, distributing pipe, gas burner component, the electronic control system includes CNG ECU the control unit, air mass flow sensor, oxygen sensor, coolant temperature sensor, explodes the sensor that shakes, bent axle speed sensor, throttle position sensor, and gas cylinder pressure sensor constitutes, power supply system includes that storage battery, voltage sensor ignition coil, ignition switch constitute. The utility model discloses an advantage with positive effect is, adopts electronic control's mode to car gas injection system, and the operating mode of utilizing the computer to use according to the car gas automatically changes time, flow and ignition time that the electron spouts the spun gas of body valve institute, improves the work efficiency of gas, and the waste of the energy is avoided in energy -conserving, environmental protection.
Description
Technical field
The utility model belongs to motor car engine fuel gas injection technical field, is specifically related to natural gas used for automobile ECI electronic control injection air supply system.
Background technique
Recent two decades comes, along with automobile pollution worldwide increases sharply, automobile exhaust contaminant CO, HC, NOx and particle components replace industrial pollution and become the important sources of pollution of atmosphere, and these effulents cause serious harm to human body and animals and plants.Simultaneously; due to the environmetal impact of the availability of fuel, price and fuel; the fuel supply of motor is played a part in the economic scene of engine application industry very important; in addition periodic oil shortage since oil shock of 1973 big bulge in price; and being subject to the impact of energy crisis, strict fuel-economy regulation has been formulated in countries in the world especially industrially developed country.Meanwhile, in order to protection of the environment, more and more stricter automobile emission regulation has been promulgated and has been implemented.In the face of energy-conservation and minimizing blowdown two subject matters, substitute fuel, all at active development new energy, is found in countries in the world.Wherein, the outstanding advantages that rock gas is cheap with it, exhaust emission is low extremely people parent is looked at, be considered to up-and-coming " low pollution fuel ", original motor carries out reequiping the inexorable trend becoming automobile industry development with regard to making by this, and natural gas applications market has welcome the good opportunity of development.
Now, along with the development of automobile oil gas retrofit technology, the oil consumption automobile more traditional in running of the CNG hybrid vehicle repacked into will more energy-saving and environmental protection, few to the pollution of environment.But, due to the segmental defect of retrofit technology, the automobile of having reequiped is had in the face of problems in running: first, for car, the main feature of automobile repacking is just to increase an air cylinder in the boot of automobile, is used for depositing natural gas; The weight of air cylinder is generally at about 80kg, if under vehicle full load conditions, long operational time not only can impact the damping of vehicle, but also moves after making the center of gravity of automobile, has impact to the high speed of automobile is excessively curved.In addition, power can than weaker during oil firing when burning gas for the automobile of having reequiped, for speed-raising with very fastly all can cause certain influence.Finally, fuel automobile in the middle of market today, mostly uses the natural gas injection system being similar to traditional mechanical type spraying system, cannot meet the control overflow to motor " highi degree of accuracy; multi-parameter " in retrofit process, and the retrofit technology of engine fuel also has very large development space.
Summary of the invention
The purpose of this utility model, is to provide, and automatically can change the time of the combustion gas that electrospray valve sprays, flow and firing time, control accurate natural gas used for automobile ECI electronic control injection air supply system according to the operating mode used.
Technical solution adopted in the utility model is as follows:
Natural gas used for automobile ECI electronic control injection air supply system, is made up of fuel gas supply system, electronic control system, power supply system.Fuel gas supply system comprises the gas cylinder that rock gas is housed, the gas pump extracting rock gas, fuel filter, pressure regulator, distribution piping, gas nozzle formation; Electronic control system comprises CNGECU control unit, be arranged on CNG motor and input end different from CNGECU the control unit air flow sensor, lambda sensor, cooling-water temperature transmitter, quick-fried vibration sensor, crankshaft rotational speed sensor, the throttle position sensor that connect, and the storage pressure sensor be connected with gas cylinder is formed; CNGECU control unit output terminal is connected with petrolift, pressure regulator, ignition switch respectively; Power supply system comprises storage battery, the voltage transducer be connected with storage battery, is contained in spark coil on CNG motor, the ignition switch that is connected with spark coil is formed.Each sensor provides input signal to CNGECU control unit, through CNGECU control unit accurate Calculation, exports and controls petrolift, pressure regulator and gas nozzle.
Advantage of the present utility model and good effect are, electronically controlled mode is adopted for automobile fuel gas ejecting system, utilize the operating mode that microcomputer uses according to automobile fuel gas, automatically change the time of the combustion gas that electronics spray body valve sprays, flow and firing time, improve the working efficiency of combustion gas, energy-saving and environmental protection, avoid the waste of the energy.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is overall formation block diagram of the present utility model;
Fig. 2 is the schematic diagram of natural gas used for automobile emission control.
Embodiment
In embodiment as shown in Figure 1 and Figure 2, natural gas used for automobile ECI electronic control injection air supply system, is made up of fuel gas supply system, electronic control system, power supply system.
Fuel gas supply system comprise rock gas is housed gas cylinder 14, extract the gas pump 15 of rock gas, fuel filter 16, pressure regulator 17, distribution piping 18, gas nozzle 19 form.
Electronic control system comprises CNGECU control unit 1, be arranged on CNG motor 8 and input end different from CNGECU control unit 1 air flow sensor 2, lambda sensor 3, cooling-water temperature transmitter 4, quick-fried vibration sensor 5, crankshaft rotational speed sensor 6, the throttle position sensor 7 that connect, and the storage pressure sensor 13 be connected with gas cylinder 14 is formed; CNGECU control unit 1 output terminal is connected with petrolift 15, pressure regulator 17, ignition switch 12 respectively.
Power supply system comprises storage battery 9, the voltage transducer 10 be connected with storage battery 9, is contained in spark coil 11 on CNG motor 8, the ignition switch 12 that is connected with spark coil 11 is formed.
Each sensor provides input signal to CNGECU control unit 1, through CNGECU control unit 1 accurate Calculation, exports and controls petrolift 15, pressure regulator 17 and gas nozzle 19.
CNGECU control unit 1 carries out the identification of cylinder signal by the signal such as crankshaft rotational speed sensor 6, throttle position sensor 7 gathered, the calculating of rotating speed, and the current"on"time being calculated each cylinder time of ignition and each spark coil by the operating conditions of motor; After the parameter corrections such as engine coolant temperature sensor 4, oxygen sensor signal 3, gaseous-pressure and fuel gas temperature, determine the jet pulsewidth in this moment, control gas nozzle 19 jet to corresponding cylinder, reach the chemically correct fuel of expectation, ensure that combustion gas meets the requirement of power performance, emission performance under various operating mode.
Above an embodiment of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.All equalizations done according to the utility model application range change and improve, and all should still belong within patent covering scope of the present utility model.
Claims (2)
1. natural gas used for automobile ECI electronic control injection air supply system, comprise fuel gas supply system, electronic control system and power supply system, it is characterized in that, described fuel gas supply system comprises the gas cylinder that rock gas is housed, the gas pump extracting rock gas, fuel filter, pressure regulator, distribution piping, gas nozzle formation; Described electronic control system comprises CNGECU control unit, be arranged on CNG motor and input end different from CNGECU the control unit air flow sensor, lambda sensor, cooling-water temperature transmitter, quick-fried vibration sensor, crankshaft rotational speed sensor, the throttle position sensor that connect, and the storage pressure sensor be connected with gas cylinder is formed; Described CNGECU control unit output terminal is connected with petrolift, pressure regulator, ignition switch respectively; Described power supply system comprises storage battery, the voltage transducer be connected with storage battery, is contained in spark coil on CNG motor, the ignition switch that is connected with spark coil is formed.
2. natural gas used for automobile ECI electronic control injection air supply system according to claim 1, it is characterized in that, described each sensor provides input signal to CNGECU control unit, through CNGECU control unit accurate Calculation, exports and controls petrolift, pressure regulator and gas nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520264398.XU CN204804962U (en) | 2015-04-24 | 2015-04-24 | Automobile -used natural gas electronic control sprays gas supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520264398.XU CN204804962U (en) | 2015-04-24 | 2015-04-24 | Automobile -used natural gas electronic control sprays gas supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204804962U true CN204804962U (en) | 2015-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520264398.XU Expired - Fee Related CN204804962U (en) | 2015-04-24 | 2015-04-24 | Automobile -used natural gas electronic control sprays gas supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204804962U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106091005A (en) * | 2016-07-18 | 2016-11-09 | 裴红侠 | A kind of power-adjustable automated intelligent lighter for burned brick |
-
2015
- 2015-04-24 CN CN201520264398.XU patent/CN204804962U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106091005A (en) * | 2016-07-18 | 2016-11-09 | 裴红侠 | A kind of power-adjustable automated intelligent lighter for burned brick |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 Termination date: 20160424 |