CN204136773U - Natural gas-powered car - Google Patents
Natural gas-powered car Download PDFInfo
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- CN204136773U CN204136773U CN201420595059.5U CN201420595059U CN204136773U CN 204136773 U CN204136773 U CN 204136773U CN 201420595059 U CN201420595059 U CN 201420595059U CN 204136773 U CN204136773 U CN 204136773U
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- resistor
- gas
- natural gas
- thermally dependent
- amplifier
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Abstract
The utility model discloses a kind of natural gas-powered car, be made up of natural gas supply system, air gas supply system and electric-control system: described natural gas supply system is formed by connecting with electromagnetism bottle-jack valve (20), compression indicator (2), reducing valve (7), high-frequency electromagnetic valve (9) by pipeline successively by natural gas cylinder (1).The utility model is safe and reliable.
Description
Technical field
The utility model relates to a kind of automobile, particularly a kind of natural gas-powered car.
Background technology
Along with the enforcement successively that state III and state more than III discharge, each transport enterprise is urgent to using the demanded fuel of more economical more environmental protection.The decline of Global Oil reserves on the other hand, the price of fuel oil is constantly going up, and these factors make people find the novel energy of substitute as automobile of fuel oil.The self-propelled vehicle being clean fuel with combustion gas such as natural gas (CNG) and blue gas (LNG) is subject to the welcome of user more and more; but; due to the defect that natural gas is intrinsic; as low in fuel energy density, continual mileage is few, aerating is frequent; and the restriction of layouting by gas distributing system of building a station, seriously constrain its large-scale development.At present, the English full name of current CNG(: Compressed Natural Gas, Chinese: compression natural gas) steel cylinder storing CNG is generally arranged in the luggage compartment of vehicle, when steel bottle mouth valve occurs to leak by automobile, natural fuels may be assembled in luggage compartment or engine cabin, causes potential safety hazard.According in GB GB7258-2012 to the safety precaution requirement of gaseous fuel special purpose device, gas vehicle should install leakage warning device, and all pipe joint places all should not leak air phenomenon.Current most of CNG automobile does not all install leakage warning device, easily assembles in confined space during Leakage Gas, such as luggage compartment or engine cabin, and when gas is constantly assembled, concentration increases, and can cause potential safety hazard.
Utility model content
For the defect of prior art, the utility model provides a kind of natural gas-powered car.
A kind of natural gas-powered car, be made up of natural gas supply system, air gas supply system and electric-control system: described natural gas supply system is formed by connecting with electromagnetism bottle-jack valve 20, compression indicator 2, reducing valve 7, high-frequency electromagnetic valve 9 by pipeline successively by natural gas cylinder 1, and high-frequency electromagnetic valve is connected with engine air inlet tube 10 by pipeline; Air gas supply system is formed by connecting by pipeline and throttle gate 8 by air filter 5, and throttle gate is connected with engine air inlet tube by pipeline; First gas concentration sensor 18 is arranged on described natural gas cylinder 1, and the second gas concentration sensor 19 is arranged on driving engine 15;
Electric-control system comprises ECU, the central controller of described ECU is connected with the tachogen that natural gas-powered car is installed, cooling-water temperature sensor, exhaust gas oxygensensor, throttle position switch and exhaust temperature sensor respectively, the mouth of this central controller is connected on gas supply actuating unit, the outlet of this gas supply actuating unit communicates with the fuel gas inlet gas circuit of mixer, the air-in of this mixer communicates with air, and the delivery port of this mixer communicates with described engine intake manifold; Described first gas concentration sensor 18 is connected respectively at central controller with the second gas concentration sensor 19, alarm unit and electromagnetism bottle-jack valve 20;
Described cooling-water temperature sensor comprises direct supply, amplifier IC, first thermally dependent resistor RP1, second thermally dependent resistor RP2, 3rd thermally dependent resistor RP3, first resistor R1, second resistor R2, 3rd resistor R3, 4th resistor R4, 5th resistor R5, 6th resistor R6 and cond C, the cathode output end of direct supply is connected with the first end of the first resistor R1 and second end of the second resistor R2 respectively, second end of the first resistor R1 respectively with second end of the second resistor R2, the first end of the 3rd resistor R3, the first end of the first thermally dependent resistor RP1, the first end of the second thermally dependent resistor RP2 is connected with the first end of the 4th resistor R4, second end of the 4th resistor R4 respectively with the first end of cond C, the first end of the 5th resistor R5 is connected with the inverting input of amplifier IC, second end of the first thermally dependent resistor RP1 respectively with second end of the second thermally dependent resistor RP2, second end of cond IC is connected with second end of the 5th resistor R5, second end of the 3rd resistor R3 is connected with the first end of the 6th resistor R6 and the normal phase input end of amplifier IC respectively, be connected with the signal output part of amplifier IC after second end series connection the 3rd thermally dependent resistor RP3 of the 6th resistor R6, the electrode input end of amplifier IC is connected with the cathode output end of direct supply, and the negative input of amplifier IC is connected with the cathode output end of direct supply.
The beneficial effects of the utility model are: main energy sources is clean fuel natural fuels, decreases environmental pollution; Ensure CNG automobile driving safety.
Accompanying drawing explanation
Fig. 1 is the utility model natural gas-powered car structural representation;
Fig. 2 is the structural representation of the utility model ECU;
Fig. 3 is the structural representation of the utility model temperature sensor.
Detailed description of the invention
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in detail detailed description of the invention of the present utility model below in conjunction with accompanying drawing, make above-mentioned and other object of the present utility model, Characteristics and advantages will be more clear.Reference numeral identical in whole accompanying drawing indicates identical part.Deliberately do not draw accompanying drawing in proportion, focus on purport of the present utility model is shown.
As shown in Figure 1, this natural gas-powered car is made up of natural gas supply system, air gas supply system and electric-control system, natural gas supply system is formed by connecting with electromagnetism bottle-jack valve 20, compression indicator 2, reducing valve 7, high-frequency electromagnetic valve 9 by pipeline successively by natural gas cylinder 1, and high-frequency electromagnetic valve 9 is connected with driving engine 15 air inlet pipe 10 by pipeline; Air gas supply system is formed by connecting by pipeline and throttle gate 8 by air filter 5, and throttle gate 8 is connected with driving engine 15 air inlet pipe 10 by pipeline; Electric-control system is formed by connecting with throttle position sensor 17, natural pressure force snesor 3, magneto generator signal transducer 13, exhaust gas oxygensensor 12, cylinder head temperature sensor 11, air-temperature pickup 6 and high voltage package 14 by wire respectively by ECU, high voltage package 14 is connected with driving engine 15 light-up plug 16 by wire, and ECU is connected with storage battery 4 by wire.First gas concentration sensor 18 is arranged on natural gas cylinder 1, and the second gas concentration sensor 19 is arranged on driving engine 15, gas concentration sensor 18,19 for detecting the concentration of natural gas of gas cylinder 1 and engine environment, to prevent natural gas leaking.
The structure of ECU as shown in Figure 2, natural gas-powered car is provided with tachogen, cooling-water temperature sensor, exhaust gas oxygensensor, throttle position switch and exhaust temperature sensor, described tachogen, cooling-water temperature sensor, exhaust gas oxygensensor, the signal output part of throttle position switch and exhaust temperature sensor is all connected on central controller, the mouth group of this central controller is connected on gas supply actuating unit, the outlet of this gas supply actuating unit communicates with the fuel gas inlet gas circuit of mixer, the air-in of this mixer communicates with air, the delivery port of this mixer communicates with described engine intake manifold.Two gas concentration sensor 18,19, alarm unit and electromagnetism bottle-jack valve 20 connect respectively at central controller.Described alarm unit is a Warning light, is located at (described IP full name: instrument panel, Chinese: instrument carrier panel) on automobile IP panel, facilitates chaufeur to check, described Warning light plays reminds driver to carry out malfunction elimination.Concentration signal for detecting the concentration of gas, and is changed into electric signal by described gas concentration sensor, and when gas concentration sensor detects that in air, CH4 gas concentration reaches setting value, gas concentration sensor output low level signal is to combustion gas ECU; Described combustion gas ECU receiver gases concentration sensor signal, and control electromagnetism bottle-jack valve by Logic judgment; Described electromagnetism bottle-jack valve receives the signal of combustion gas ECU, the opening and closing of control CNG gas cylinder; CNG automobile is in traveling process, if luggage compartment and engine cabin generation natural gas leaking, gas leakage can be detected fast by gas concentration sensor, when gas concentration reaches setting value, combustion gas ECU controls alarm unit and sends alerting signal, close electromagnetism bottle-jack valve simultaneously, ensure CNG automobile driving safety.
As shown in Figure 3, it comprises direct supply to cooling-water temperature sensor circuit structure, amplifier IC, first thermally dependent resistor RP1, second thermally dependent resistor RP2, 3rd thermally dependent resistor RP3, first resistor R1, second resistor R2, 3rd resistor R3, 4th resistor R4, 5th resistor R5, 6th resistor R6 and cond C, the cathode output end of direct supply is connected with the first end of the first resistor R1 and second end of the second resistor R2 respectively, second end of the first resistor R1 respectively with second end of the second resistor R2, the first end of the 3rd resistor R3, the first end of the first thermally dependent resistor RP1, the first end of the second thermally dependent resistor RP2 is connected with the first end of the 4th resistor R4, second end of the 4th resistor R4 respectively with the first end of cond C, the first end of the 5th resistor R5 is connected with the inverting input of amplifier IC, second end of the first thermally dependent resistor RP1 respectively with second end of the second thermally dependent resistor RP2, second end of cond IC is connected with second end of the 5th resistor R5, second end of the 3rd resistor R3 is connected with the first end of the 6th resistor R6 and the normal phase input end of amplifier IC respectively, be connected with the signal output part of amplifier IC after second end series connection the 3rd thermally dependent resistor RP3 of the 6th resistor R6, the electrode input end of amplifier IC is connected with the cathode output end of direct supply, and the negative input of amplifier IC is connected with the cathode output end of direct supply.
Set forth a lot of detail in the above description so that fully understand the utility model.But above description is only preferred embodiment of the present utility model, the utility model can be much different from alternate manner described here to implement, and therefore the utility model is not by the disclosed concrete restriction implemented above.Any those skilled in the art are not departing under technical solutions of the utility model ambit simultaneously, the Method and Technology content of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solutions of the utility model, or be revised as the Equivalent embodiments of equivalent variations.Every content not departing from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solutions of the utility model protection.
Claims (1)
1. a natural gas-powered car, it is characterized in that being made up of natural gas supply system, air gas supply system and electric-control system: described natural gas supply system is formed by connecting with electromagnetism bottle-jack valve (20), compression indicator (2), reducing valve (7), high-frequency electromagnetic valve (9) by pipeline successively by natural gas cylinder (1), and high-frequency electromagnetic valve is connected with engine air inlet tube (10) by pipeline; Air gas supply system is formed by connecting by pipeline and throttle gate (8) by air filter (5), and throttle gate is connected with engine air inlet tube by pipeline; First gas concentration sensor (18) is arranged on described natural gas cylinder (1), and the second gas concentration sensor (19) is arranged on driving engine (15);
Electric-control system comprises ECU, the central controller of described ECU is connected with the tachogen that natural gas-powered car is installed, cooling-water temperature sensor, exhaust gas oxygensensor, throttle position switch and exhaust temperature sensor respectively, the mouth of this central controller is connected on gas supply actuating unit, the outlet of this gas supply actuating unit communicates with the fuel gas inlet gas circuit of mixer, the air-in of this mixer communicates with air, and the delivery port of this mixer communicates with described engine intake manifold; Described first gas concentration sensor (18) is connected respectively at central controller with the second gas concentration sensor (19), alarm unit and electromagnetism bottle-jack valve (20);
Described cooling-water temperature sensor comprises direct supply, amplifier IC, first thermally dependent resistor RP1, second thermally dependent resistor RP2, 3rd thermally dependent resistor RP3, first resistor R1, second resistor R2, 3rd resistor R3, 4th resistor R4, 5th resistor R5, 6th resistor R6 and cond C, the cathode output end of direct supply is connected with the first end of the first resistor R1 and second end of the second resistor R2 respectively, second end of the first resistor R1 respectively with second end of the second resistor R2, the first end of the 3rd resistor R3, the first end of the first thermally dependent resistor RP1, the first end of the second thermally dependent resistor RP2 is connected with the first end of the 4th resistor R4, second end of the 4th resistor R4 respectively with the first end of cond C, the first end of the 5th resistor R5 is connected with the inverting input of amplifier IC, second end of the first thermally dependent resistor RP1 respectively with second end of the second thermally dependent resistor RP2, second end of cond IC is connected with second end of the 5th resistor R5, second end of the 3rd resistor R3 is connected with the first end of the 6th resistor R6 and the normal phase input end of amplifier IC respectively, be connected with the signal output part of amplifier IC after second end series connection the 3rd thermally dependent resistor RP3 of the 6th resistor R6, the electrode input end of amplifier IC is connected with the cathode output end of direct supply, and the negative input of amplifier IC is connected with the cathode output end of direct supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420595059.5U CN204136773U (en) | 2014-10-15 | 2014-10-15 | Natural gas-powered car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420595059.5U CN204136773U (en) | 2014-10-15 | 2014-10-15 | Natural gas-powered car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204136773U true CN204136773U (en) | 2015-02-04 |
Family
ID=52413485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420595059.5U Expired - Fee Related CN204136773U (en) | 2014-10-15 | 2014-10-15 | Natural gas-powered car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204136773U (en) |
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2014
- 2014-10-15 CN CN201420595059.5U patent/CN204136773U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20150204 Termination date: 20161015 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |