CN202507920U - Gas cylinder bin of compressed natural gas (CNG) large bus gas system - Google Patents
Gas cylinder bin of compressed natural gas (CNG) large bus gas system Download PDFInfo
- Publication number
- CN202507920U CN202507920U CN2012200876286U CN201220087628U CN202507920U CN 202507920 U CN202507920 U CN 202507920U CN 2012200876286 U CN2012200876286 U CN 2012200876286U CN 201220087628 U CN201220087628 U CN 201220087628U CN 202507920 U CN202507920 U CN 202507920U
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- China
- Prior art keywords
- gas cylinder
- gas
- cng
- valve
- control panel
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- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model provides a gas cylinder bin of a compressed natural gas (CNG) large bus gas system. The gas cylinder bin of the compressed natural gas (CNG) large bus gas system comprises a gas cylinder fixed on a bus body, an overflowing protection valve, a control panel and a master control valve. The overflowing protection valve, the control panel and the master control valve are connected with the gas cylinder through pipes, the control panel is provided with an inflation valve and a high pressure relief valve, and the gas cylinder bin is fixed at the bottom of the bus body. The gas cylinder bin of the CNG large bus gas system reduces devices, lightens the whole weight of the CNG bus, saves cost, improves safety of vehicles, and increases traveling distance of the CNG bus.
Description
Technical field
The utility model relates to the gas burning system of a kind of CNG, relates to a kind of gas cylinder storehouse of gas burning system of CNG motor omnibus specifically.
Background technology
Along with the ventilation of building up of transferring natural gas from the west to the east, engineering and Guangdong LNG engineering are sent in gas east, river, natural fuels has become one of important urban energy of China.CNG (being the abbreviation of compression natural gas) automobile is because of advantage such as its anti-emission carburetor, pollution-free, safe and convenient and economic benefit be superior; Demonstrate powerful development potentiality just day by day; Promote as cleaning vehicle by 13 ministries and commissions, offices such as the Ministry of Science and Technology at present, be specially adapted to the motor omnibus of city traffic.Along with the expansion of CNG aerating network, the quantity of automobile is with 30% speed increase every year on average.
Motor omnibus is fuel with CNG; Be as vehicle-borne fuel container with the CNG gas cylinder; But the CNG gas cylinder on the motor omnibus mainly is arranged on the top and partly vertically holds in the palm on underframe at present, and there are following defective in the parts of its CNG system and circuit design more complicated:
One, the gas cylinder storehouse is located at roof, and each gas cylinder needs emergent control cock of independent installation, so as when to have an accident the ESD source of the gas;
Two, the control panel of gas burning system separates with the gas cylinder storehouse, and the gas cylinder storehouse is located on the roof, and control panel is located at the afterbody of automobile, and supply air line is walked around from the passenger storehouse, has certain potential safety hazard;
Three, but the load factor in gas cylinder storehouse is not high, and what need to increase car load extends out size and weight, has improved the car load center of gravity, and has brought certain influence to traffic safety.
The utility model content
The utility model will solve above-mentioned deficiency exactly, and the gas cylinder storehouse of a kind of type compact to design, safe and reliable, a kind of CNG motor omnibus gas burning system that carrying capacity is big is provided.
In order to reach above-mentioned effect, the utility model provides a kind of gas cylinder storehouse of motor omnibus gas burning system, comprises the gas cylinder that is installed on the passenger vehicle body, also comprises overcurrent protection valve, control panel and overhead control valve, passes through plumbing connection between they and the described gas cylinder; Described control panel is provided with charge valve, inflation shutoff valve, high pressure diffuse valve, overcurrent protection valve etc., and described gas cylinder storehouse is fixed on the bottom of passenger vehicle body.
All gas cylinders that are fixed on passenger vehicle body bottom are connected with control panel with the overcurrent protection valve through plumbing connection again; The outside overhead control valve that connects of control panel.Overhead control valve other end pipeline communicates with the CNG bus engine, and start the engine makes vehicle operating.
In order to prevent that each pipeline and valve seal property are bad CNG takes place and reveal, native system also comprises deflation warning system, and described deflation warning system is made up of leakage sensor and annunciator, and leakage sensor is electrically connected with annunciator.
Leakage sensor detects the gas leakage situation that said overcurrent protection valve, charge valve, high pressure diffuse valve and overhead control valve etc., alarm equipment alarm when the induction gas concentration reaches alarm set point.To leak gas a little to concentrate and arrange, and make deflation warning system compare easy arrangement, and relative safety improve.
The preferred version of such scheme is with the anti-bottom, stage casing of hanging in the passenger vehicle body of all gas cylinders, has additional support in the bottom of gas cylinder and grants asylum, and preventing has when bump and bump against gas cylinder earlier at car load and ground encumbrance.
Centralized arrangement such as charge valve, overcurrent protection valve, overhead control valve, deflation warning system in the gas cylinder storehouse, are fixedly arranged on the bottom of passenger vehicle body simultaneously, the pipeline of air feed is shortened, reduced the danger of pipeline gas leakage.
Gas cylinder is the horizontal fitly anti-bottom that is hung in the passenger vehicle body, makes gas cylinder arrange neat appearance more; Strengthen the shipped quantity of CNG gas cylinder and the capacity of gas cylinder, promptly increased the CNG amount of passenger vehicle, improve the travelled distance of CNG passenger vehicle; The car load down-shift of working center improves travel safety simultaneously.
The beneficial effect of the utility model is:
1, the equipment input reduces, and has alleviated complete vehicle weight, the saving cost of CNG passenger vehicle;
2, the pipeline of air feed shortens, and has reduced the danger of pipeline gas leakage, has guaranteed safety;
3, strengthen the shipped quantity of CNG gas cylinder and the capacity of gas cylinder, improved the travelled distance of CNG passenger vehicle;
4, CNG passenger vehicle car load down-shift of working center improves travel safety.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done further detailed explanation.
Fig. 1 is a gas cylinder storehouse gas burning system schematic diagram;
Fig. 2 is the utility model structural representation;
Among the figure: the 1-gas cylinder, the 2-control panel, the 21-charge valve, the 22-high pressure diffuses valve, 3-overhead control valve, 4-deflation warning system, 41-leakage sensor, 42-annunciator, 5-overcurrent protection valve.
The specific embodiment
Shown in Figure 1 is the structure principle chart in the utility model gas cylinder storehouse; Gas cylinder 1 gets up through plumbing connection and is connected with overcurrent protection valve 5, control panel 2; Control panel 2 is provided with charge valve 21 and diffuses valve 22 with high pressure; Control panel 2 is connected with overhead control valve 3, and overhead control valve other end pipeline communicates with the CNG bus engine; Establish deflation warning system 4 in the gas cylinder storehouse; Deflation warning system 4 is made up of leakage sensor 41 and annunciator 42; Leakage sensor 41 detects the gas leakage situation that said overcurrent protection valve, charge valve, high pressure diffuse gas leakage points such as valve and overhead control valve, and annunciator 42 was reported to the police when the induction gas concentration reached alarm set point.
Shown in Figure 2 is the utility model structural representation, and gas cylinder storehouse integral body is installed in the stage casing between two wheels bottom the passenger vehicle body, gas cylinder 1 counter hanging in the bottom of passenger vehicle body, and there is support protection its underpart.Gas cylinder 1 gets up through plumbing connection and is connected with overcurrent protection valve 5, control panel 2, and control panel 2 is provided with charge valve and high pressure diffuses valve; Control panel 2 is connected with overhead control valve 3, and the overhead control valve other end is connected with the CNG bus engine; Establish deflation warning system 4 in the gas cylinder storehouse; Deflation warning system 4 is made up of leakage sensor and annunciator; Leakage sensor detects the gas leakage situation that said overcurrent protection valve, charge valve, high pressure diffuse gas leakage points such as valve and overhead control valve; Alarm equipment alarm when the induction gas concentration reaches alarm set point is convenient to the timely maintenance of vehicle, has improved traveling security.
The utility model since with centralized arrangement such as charge valve, overcurrent protection valve, overhead control valve, deflation warning systems in the gas cylinder storehouse; Be fixedly arranged on the bottom of passenger vehicle body simultaneously; The pipeline of air feed is shortened; Both reduced the danger of pipeline gas leakage,, improved safety again because of supply air line does not relate to the passenger storehouse.
If supply air line generation small leakage, overcurrent protection valve pressure at two ends does not wait, and then supply air line is cut off in the self-protection of overcurrent protection valve; If when spillage reached the working value of deflation warning system slightly greatly, then warning device sounded, remind the driver in time to check pipeline; Circuit also breaks down if take place to leak simultaneously, can in time close the overhead control valve rapidly and cut off supply air line.
Above embodiment is not limited only to the protection domain of the utility model, and all are based on the basic thought of the utility model and the protection domain that all belongs to the utility model of making amendment or changing.
Claims (3)
1. the gas cylinder storehouse of a CNG motor omnibus gas burning system comprises the gas cylinder that is fixed on the passenger vehicle body, it is characterized in that: also comprise overcurrent protection valve, control panel and overhead control valve, pass through plumbing connection between they and the described gas cylinder; Described control panel is provided with charge valve, high pressure diffuses valve; Described gas cylinder storehouse is installed in the bottom of passenger vehicle body.
2. the gas cylinder storehouse of a kind of CNG motor omnibus gas burning system according to claim 1 is characterized in that: also comprise deflation warning system, described deflation warning system is made up of leakage sensor and annunciator, and leakage sensor is electrically connected with annunciator.
3. the gas cylinder storehouse of a kind of CNG motor omnibus gas burning system according to claim 1 is characterized in that: described gas cylinder is counter to be hung in the bottom of passenger vehicle body, and the bottom of gas cylinder is provided with support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200876286U CN202507920U (en) | 2012-03-10 | 2012-03-10 | Gas cylinder bin of compressed natural gas (CNG) large bus gas system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200876286U CN202507920U (en) | 2012-03-10 | 2012-03-10 | Gas cylinder bin of compressed natural gas (CNG) large bus gas system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202507920U true CN202507920U (en) | 2012-10-31 |
Family
ID=47060421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200876286U Expired - Fee Related CN202507920U (en) | 2012-03-10 | 2012-03-10 | Gas cylinder bin of compressed natural gas (CNG) large bus gas system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202507920U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103552464A (en) * | 2013-11-14 | 2014-02-05 | 上海三一重机有限公司 | CNG storage tank installation structure and engineering machinery |
| CN106150759A (en) * | 2016-08-28 | 2016-11-23 | 安徽安凯汽车股份有限公司 | A kind of gas burning system for refrigerant latitudes |
-
2012
- 2012-03-10 CN CN2012200876286U patent/CN202507920U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103552464A (en) * | 2013-11-14 | 2014-02-05 | 上海三一重机有限公司 | CNG storage tank installation structure and engineering machinery |
| CN103552464B (en) * | 2013-11-14 | 2016-10-12 | 上海三一重机有限公司 | A kind of CNG storage tank installation structure and engineering machinery |
| CN106150759A (en) * | 2016-08-28 | 2016-11-23 | 安徽安凯汽车股份有限公司 | A kind of gas burning system for refrigerant latitudes |
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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: 20121031 Termination date: 20170310 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |