CN202593277U - Fuel supply control device for dimethyl ether fuel vehicle - Google Patents
Fuel supply control device for dimethyl ether fuel vehicle Download PDFInfo
- Publication number
- CN202593277U CN202593277U CN 201220285165 CN201220285165U CN202593277U CN 202593277 U CN202593277 U CN 202593277U CN 201220285165 CN201220285165 CN 201220285165 CN 201220285165 U CN201220285165 U CN 201220285165U CN 202593277 U CN202593277 U CN 202593277U
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- CN
- China
- Prior art keywords
- fuel
- bottle
- dimethyl ether
- liquid level
- control device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a fuel supply control device for a dimethyl ether fuel vehicle. The device comprises a dimethyl ether fuel bottle, a PLC (programmable logic controller) and a display screen, wherein a capacitance type liquid level transmitter is arranged in the dimethyl ether fuel bottle; an LED (light emitting diode) fuel lamp and a linear liquid level display are arranged on the display screen; the signal output end of the capacitance type liquid level transmitter is connected with the signal input end of the PLC; and the signal output end of the PLC is connected with the signal input ends of the LED fuel lamp and the linear liquid level display respectively. The device has the following advantages that the surplus of the fuel in the dimethyl ether fuel bottle can be linearly displayed on the display screen; the device has a simple structure and is safe and durable; a filter is arranged at the fuel outlet in the bottle, thus avoiding that mechanical impurities enter a low pressure pump; and the fuel in the dimethyl ether fuel bottle is displayed stably.
Description
Technical field
The utility model relates to a kind of fuel supply control device, particularly relates to a kind of fuel supply control device that is used for the dimethyl ether fuel car.
Background technology
Along with the growing tension of oil resources and the increasingly stringent of diesel emission rules, the application of coal-based clean fuel dimethyl ether on driving engine comes into one's own.The cetane number of dimethyl ether is high, and the nontoxic oxygen that contains can be realized smokeless combustion.It is a gaseous state at normal temperatures and pressures, liquefaction under 0.5MPa pressure under the normal temperature.
Existing dimethyl ether vehicle-mounted bottle generally manufactures and designs according to autogas (LPG) standard, adopts the structure of pile-up valve, and pile-up valve has dimethyl ether fuel to import and export, float type level gauge and overfill-limiting device etc., and cost is high, the float easy break-down.
The utility model content
The purpose of the utility model is to provide a kind of fuel supply control device that is used for the dimethyl ether fuel car.
The purpose of the utility model is implemented by following technical scheme; A kind of fuel supply control device that is used for the dimethyl ether fuel car; It includes dimethyl ether fuel bottle, PLC control setup and read-out; Be provided with the capacitance type liquid level transmitter in the said dimethyl ether fuel bottle; Said read-out is provided with LED fuel lamp and linear liquid level display, and the signal output part of said capacitance type liquid level transmitter is connected with the signal input part of said PLC control setup, and the signal output part of said PLC control setup is connected with the signal input part of said LED fuel lamp and said linear liquid level display respectively.The variation of dimethyl ether fuel liquid level is converted into different capacitances with it in the capacitance type liquid level transmitter induction dimethyl ether fuel bottle, converts capacitance into magnitude of voltage again.The PLC control setup calculates dimethyl ether volume in the dimethyl ether fuel bottle according to the specific inductance capacity and the liquid level corresponding relation of dimethyl ether.Be shown as dimethyl ether fuel residual volume in the linearizing dimethyl ether fuel bottle on the linear liquid level display.When residue dimethyl ether fuel amount in the dimethyl ether fuel bottle be less than full bottle 20% the time, the prompting of LED fuel lamp displaing yellow shows red alarm when being less than 10%, simultaneously, linear liquid level shows and is in yellow and red area respectively that prompting needs the dimethyl ether fuel of annotating.
The bottle of said dimethyl ether fuel bottle is the cylinder tubbiness; The two ends of said bottle are respectively with the shutoff of ellipsoid head, and wherein any said ellipsoid head is provided with the safety valve of 2MPa, and the bottom of said bottle is provided with fuel interface; Said fuel interface links to each other with the fuel supply mouth with the fuel adding mouth respectively through T connector; Be provided with manual shutoff valve between said fuel adding mouth and the said fuel supply mouth, be provided with dividing plate in the said bottle, said dividing plate is divided into two cavitys up and down with said bottle; The cavity that is positioned at said bottle top is a gas phase zone; The cavity that is positioned at said bottle bottom is a liquid phase region, and said dividing plate is provided with damping hole, and said liquid phase region is provided with said capacitance type liquid level transmitter.When the dimethyl ether in the dimethyl ether fuel bottle was annotated to dividing plate, because the effect of damping hole, the refueling system pressure of dimethyl ether rose, and the refueling system sensor stops aerating after receiving the pressure signal of rising.
Also be provided with gas phase interface and liquid phase interface on the said bottle, prepare many bottles of parallel connections and use.
Also be provided with the fuel refluxing opening on the said bottle, on the said fuel refluxing opening one-way pressure-limit valve be installed.
The top of said capacitance type liquid level transmitter is fixed on the said dividing plate, and the bottom of said capacitance type liquid level transmitter is fixed on the bottom of said bottle.
Said fuel interface place is provided with fil.Fil can carry out coarse filtration to the bottle outlet dimethyl ether fuel, avoids mechanical admixture to get into low pressure pump.And when the dimethyl ether fuel bottle being carried out the aerating operation, the dimethyl ether of filling plays the blowback cleansing action to fil, prolongs the service life of fil.
The advantage of the utility model is that (1) the utility model utilizes the dimethyl ether fuel characteristic, adopts the linear output of capacitance type liquid level transmitter dimethyl ether fuel bottle fuel surplus, and can accurately be presented on the read-out; (2) be provided with dividing plate in the dimethyl ether fuel bottle; Dividing plate is provided with damping hole, when the dimethyl ether in the dimethyl ether fuel bottle is annotated to dividing plate, because the effect of damping hole; The refueling system pressure of dimethyl ether rises; The refueling system sensor stops aerating after receiving the pressure signal of rising, and this is simple in structure, safety durable; (3) bottle fuel exit is provided with fil, and the bottle outlet dimethyl ether fuel is carried out coarse filtration, avoids mechanical admixture to get into low pressure pump.And when dimethyl ether bottle being carried out the aerating operation, the dimethyl ether of filling plays the blowback cleansing action to fil, prolongs the service life of fil; (4) the dimethyl ether fuel bottle is provided with gas phase interface and liquid phase interface; When a plurality of dimethyl ether fuel bottle co-operation, guarantee that the gas phase of a plurality of dimethyl ether fuel bottles communicates with gas phase, liquid phase communicates with liquid phase; The bottle fuel liquid fluctuating of avoiding jolting of vehicle traveling process to cause shows stable; (5) the utility model is simple in structure, and manufacturing cost is low, safety durable.
Description of drawings
Fig. 1 is the connection block diagram that is used for the fuel supply control device of dimethyl ether fuel car.
Fig. 2 is a dimethyl ether fuel bottle structure scheme drawing.
Dimethyl ether fuel bottle 1, PLC control setup 2, read-out 3, capacitance type liquid level transmitter 4, LED fuel lamp 5; Linear liquid level display 6, bottle 7, ellipsoid head 8, safety valve 9, fuel interface 10; Fuel adding mouth 11, fuel supply mouth 12, manual shutoff valve 13, dividing plate 14, damping hole 15; Gas phase interface 16, liquid phase interface 17, fuel refluxing opening 18, one-way pressure-limit valve 19, fil 20.
The specific embodiment: a kind of fuel supply control device that is used for the dimethyl ether fuel car; It includes dimethyl ether fuel bottle 1, PLC control setup 2 and read-out 3; Be provided with capacitance type liquid level transmitter 4 in the dimethyl ether fuel bottle 1; Read-out 3 is provided with LED fuel lamp 5 and linear liquid level display 6; The signal output part of capacitance type liquid level transmitter 4 is connected with the signal input part of PLC control setup 2, and the signal output part of PLC control setup 2 is connected with the signal input part of LED fuel lamp 5 and linear liquid level display 6 respectively.The variation of dimethyl ether fuel liquid level is converted into different capacitances with it in the capacitance type liquid level transmitter 4 induction dimethyl ether fuel bottles 1, converts capacitance into magnitude of voltage again.PLC control setup 2 calculates dimethyl ether volume in the dimethyl ether fuel bottle 1 according to the specific inductance capacity and the liquid level corresponding relation of dimethyl ether.Be shown as dimethyl ether fuel residual volume in the linearizing dimethyl ether fuel bottle 1 on the linear liquid level display 6.When residue dimethyl ether fuel amount in the dimethyl ether fuel bottle 1 be less than full bottle 20% the time, the prompting of LED fuel lamp 5 displaing yellows shows red alarm when being less than 10%, simultaneously, linear liquid level shows and is in yellow and red area respectively that prompting needs the dimethyl ether fuel of annotating.
The bottle 7 of dimethyl ether fuel bottle 1 is the cylinder tubbiness, and the two ends of bottle 7 are respectively with 8 shutoff of ellipsoid head, and wherein any ellipsoid head 8 is provided with the safety valve 9 of 2MPa; The bottom of bottle 7 is provided with fuel interface 10, and fuel interface 10 links to each other with fuel supply mouth 12 with fuel adding mouth 11 respectively through T connector, is provided with manual shutoff valve 13 between fuel adding mouth 11 and the fuel supply mouth 12; Be provided with dividing plate 14 in the bottle 7; Dividing plate 14 is divided into two cavitys up and down with bottle 7, and the cavity that is positioned at bottle 7 tops is a gas phase zone, and the cavity that is positioned at bottle 7 bottoms is a liquid phase region; Dividing plate 14 is provided with damping hole 15, and liquid phase region is provided with capacitance type liquid level transmitter 4.When the dimethyl ether in the dimethyl ether fuel bottle 1 was annotated to dividing plate 14, because the effect of damping hole 15, the refueling system pressure of dimethyl ether rose, and the refueling system sensor stops aerating after receiving the pressure signal of rising.
Also be provided with gas phase interface 16 and liquid phase interface 17 on the bottle 7, prepare many bottles of parallel connections and use.
Also be provided with fuel refluxing opening 18 on the bottle 7, one-way pressure-limit valve 19 is installed on the fuel refluxing opening 18.
The top of capacitance type liquid level transmitter 4 is fixed on the dividing plate 14, and the bottom of capacitance type liquid level transmitter 4 is fixed on the bottom of bottle 7.
Claims (6)
1. fuel supply control device that is used for the dimethyl ether fuel car; It is characterized in that; It includes dimethyl ether fuel bottle, PLC control setup and read-out; Be provided with the capacitance type liquid level transmitter in the said dimethyl ether fuel bottle; Said read-out is provided with LED fuel lamp and linear liquid level display, and the signal output part of said capacitance type liquid level transmitter is connected with the signal input part of said PLC control setup, and the signal output part of said PLC control setup is connected with the signal input part of said LED fuel lamp and said linear liquid level display respectively.
2. a kind of fuel supply control device that is used for the dimethyl ether fuel car according to claim 1 is characterized in that the bottle of said dimethyl ether fuel bottle is the cylinder tubbiness; The two ends of said bottle are respectively with the shutoff of ellipsoid head, and wherein any said ellipsoid head is provided with the safety valve of 2MPa, and the bottom of said bottle is provided with fuel interface; Said fuel interface links to each other with the fuel supply mouth with the fuel adding mouth respectively through T connector; Be provided with manual shutoff valve between said fuel adding mouth and the said fuel supply mouth, be provided with dividing plate in the said bottle, said dividing plate is divided into two cavitys up and down with said bottle; The cavity that is positioned at said bottle top is a gas phase zone; The cavity that is positioned at said bottle bottom is a liquid phase region, and said dividing plate is provided with damping hole, and said liquid phase region is provided with said capacitance type liquid level transmitter.
3. a kind of fuel supply control device that is used for the dimethyl ether fuel car according to claim 2 is characterized in that, also is provided with gas phase interface and liquid phase interface on the said bottle.
4. a kind of fuel supply control device that is used for the dimethyl ether fuel car according to claim 2 is characterized in that, also is provided with the fuel refluxing opening on the said bottle, on the said fuel refluxing opening one-way pressure-limit valve is installed.
5. a kind of fuel supply control device that is used for the dimethyl ether fuel car according to claim 2; It is characterized in that; The top of said capacitance type liquid level transmitter is fixed on the said dividing plate, and the bottom of said capacitance type liquid level transmitter is fixed on the bottom of said bottle.
6. a kind of fuel supply control device that is used for the dimethyl ether fuel car according to claim 2 is characterized in that said fuel interface place is provided with fil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220285165 CN202593277U (en) | 2012-06-18 | 2012-06-18 | Fuel supply control device for dimethyl ether fuel vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220285165 CN202593277U (en) | 2012-06-18 | 2012-06-18 | Fuel supply control device for dimethyl ether fuel vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202593277U true CN202593277U (en) | 2012-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220285165 Expired - Fee Related CN202593277U (en) | 2012-06-18 | 2012-06-18 | Fuel supply control device for dimethyl ether fuel vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202593277U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105980949A (en) * | 2014-02-06 | 2016-09-28 | 洋马株式会社 | Parallel travel work system |
| CN111846255A (en) * | 2020-07-27 | 2020-10-30 | 周海娅 | Four-rotor intelligent unmanned aerial vehicle |
-
2012
- 2012-06-18 CN CN 201220285165 patent/CN202593277U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105980949A (en) * | 2014-02-06 | 2016-09-28 | 洋马株式会社 | Parallel travel work system |
| CN105980949B (en) * | 2014-02-06 | 2019-12-24 | 洋马株式会社 | Parallel operation system |
| CN111846255A (en) * | 2020-07-27 | 2020-10-30 | 周海娅 | Four-rotor intelligent unmanned aerial vehicle |
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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: 20121212 Termination date: 20160618 |