CN201362173Y - Fuel oil supplying device and fuel oil supplying system with the fuel oil supplying device - Google Patents
Fuel oil supplying device and fuel oil supplying system with the fuel oil supplying device Download PDFInfo
- Publication number
- CN201362173Y CN201362173Y CNU2009201050271U CN200920105027U CN201362173Y CN 201362173 Y CN201362173 Y CN 201362173Y CN U2009201050271 U CNU2009201050271 U CN U2009201050271U CN 200920105027 U CN200920105027 U CN 200920105027U CN 201362173 Y CN201362173 Y CN 201362173Y
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- fuel
- supply device
- oil
- fuel oil
- fuel supply
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Abstract
The utility model provides a fuel oil supplying device, comprising a fixing part, a fuel oil filter, an oil pipe which penetrates through the fixing part and is connected to the fuel oil filter, a strainer filter and a fuel oil pump core; one end of the fuel oil pump core is connected to the fuel oil filter,, and the other end of the fuel oil pump core is connected to the strainer filter; the fuel oil supplying device is characterized in that: the fuel oil supplying device further comprises a fuel pumping unit which is connected to the strainer filter. The fuel oil supplying device can be normally used in the fuel oil tanks with complex structures and the fuel oil tanks which can cause large resistance of oil path particularly; in addition, the fuel oil supplying device can be normally used in the oil tank with a plurality of cavities; furthermore, the utility model relates to a fuel oil supplying system with the fuel oil supplying device.
Description
Technical field
The utility model relates to the fuel tank of vehicle, particularly relates to a kind of being used for from the fuel supply device of described fuel tank extraction fuel oil and the Fuel supply system with this fuel supply device.
Background technology
In current fuel supply device, the influence that arranged by car chassis, it is no longer regular that the shape of fuel tank becomes.But, in order to guarantee that fuel oil stably is supplied to fuel charger, even also can be like this when amount of fuel in the fuel tank reduces.In existing fuel tank, utilize a kind of injection negative pressure Oil sucking device usually, described injection negative pressure Oil sucking device utilize the delivery pressure fuel injected of fuel charger and consequent negative pressure with the fuel oil of the far-end of fuel tank by in the oil suction pipe inspiration oil storage cup.
But, there is certain limitation in the negative pressure that produces by injection of fuel with the fuel induction oil storage cup of the far-end of fuel tank, this is to be placed on complex-shaped and may cause using in the bigger fuel tank of oil circuit resistance the time, the resistance that exists in the oil circuit has hindered fuel oil and successfully has been drawn in the oil storage cup because will spray the negative pressure Oil sucking device.
In addition, according to the different demands of vehicle design, the indoor design of fuel tank has a plurality of chambers, in this case, particularly under the situation of for example Low oil Fuel, described injection negative pressure Oil sucking device can not utilize siphon principle that the fuel oil of far-end in the different chambers successfully is drawn in the oil storage cup.
The utility model content
The utility model need provide a kind of fuel supply device, described fuel supply device can be realized the ACTIVE CONTROL to fuel delivery, thereby this fuel supply device is suitable for the fuel tank internal structure in various complexity, be particularly suited in may causing the very big Oiltank structure of oil circuit resistance, using, in addition, even this fuel supply device can guarantee that also driving engine obtains normal fuel delivery under the situation that fuel oil reduces.
For solving the problems of the technologies described above, the utility model provides a kind of fuel supply device, comprising: the fixed part that is fixed to the fuel tank upper surface; Fuel oil filter; Transport pipe, described transport pipe pass described fixed part and are connected to described fuel oil filter; Rough filter; And fuel charger core, one end of described fuel charger core is connected to described fuel oil filter, and the other end of described fuel charger core is connected to described rough filter, wherein, described fuel supply device further comprises the fuel pump unit, and described fuel pump unit is connected to described rough filter.
Utilization is according to the fuel pump unit of fuel supply device of the present utility model, described fuel supply device has been realized at complicated shape and has been caused the big fuel tank of oil circuit resistance or have normal operation in the fuel tank of a plurality of chambers, and can stably export by continual assurance fuel oil, even when amount of fuel in the fuel tank reduces, can guarantee that also fuel oil stably outputs to driving engine.
Further, according to one side of the present utility model, provide a kind of Fuel supply system, described Fuel supply system comprises: fuel tank, and described fuel tank holds fuel oil; According to above-mentioned fuel supply device, described fuel supply device is arranged in the described fuel tank and its fixed part is fixed to the upper surface of described fuel tank, and its rough filter and described at least one fuel pump unit are arranged on the fuel tank bottom; Sensing unit, described sensing unit is used for the inclined degree of sensing fuel tank and transmits control signal; And ECU (electronic control unit), described ECU controls the switching of the magnetic clutch of described fuel supply device according to the signal of described sensing unit institute sensing.
According to Fuel supply system of the present utility model, described ECU is by the switching of logical program control magnetic clutch, thereby flowed to reliably in the rough filter that is installed in the fuel charger bottom at the fuel oil in each corner of fuel tank, even when fuel tank is inclined to certain angle, still can guarantee in the rough filter that fuel oil is flowed to reliably to be installed in bottom the fuel charger.Further, because described ECU can control the switching of magnetic clutch according to logical program, the framing member that this has significantly reduced traditional fuel supply device has increased the reliability and the service life of fuel supply device.In addition, can arrange a plurality of fuel oil pump units according to the fuel tank particular case, described a plurality of fuel oil pump unit comprises many oil suction pipes and is used to control the electromagnetic clutch mechanism that oil suction pipe opens and closes, in addition, the shape of described oil suction pipe can design according to the shape of fuel tank, thereby has improved the comformability of this Fuel supply system.
Description of drawings
Fig. 1 has shown the integral structure scheme drawing according to the fuel supply device of an embodiment of the present utility model;
Fig. 2 has shown according to the oil suction pipe of the fuel supply device of an embodiment of the present utility model and the structural representation of magnetic clutch;
Fig. 3 has shown according to the magnetic clutch cutaway view in the fuel supply device of an embodiment of the present utility model; And
Fig. 4 has shown the block scheme according to the Fuel supply system of an embodiment of the present utility model.
The specific embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain the utility model, and can not be interpreted as restriction of the present utility model.
Fig. 1 has shown the integral structure scheme drawing according to the fuel supply device 100 of an embodiment of the present utility model.Comprise at fuel supply device 100: the fixed part 1 that is fixed to the fuel tank upper surface according to an embodiment of the present utility model; Fuel oil filter 3; Transport pipe 2, described transport pipe 2 pass described fixed part 1 and are connected to described fuel oil filter 3; Rough filter 7; And fuel charger core 6, one end of described fuel charger core 6 is connected to described fuel oil filter 3, the other end of described fuel charger core 6 is connected to described rough filter 7, and described fuel supply device further comprises: the fuel pump unit, described fuel pump unit is connected to described rough filter 7.Described fuel pump unit comprises: oil suction pipe 8, and an end of described oil suction pipe 8 is connected to described rough filter 7; And the oil suction pipe opening/closing unit, described oil suction pipe opening/closing unit is connected with the other end of described oil suction pipe 8.
Described oil suction pipe opening/closing unit is used for the switching (this says below and is described in detail) according to the instruction ACTIVE CONTROL oil suction pipe of ECU (electronic control unit).In according to an embodiment of the present utility model, described oil suction pipe opening/closing unit can be magnetic clutch 5.Need to prove; 5 of described magnetic clutchs have provided a kind of specific embodiment that oil suction pipe opens and closes that is used to control; but those of ordinary skill obviously can replace above-mentioned magnetic clutch 5 with other opening and closing devices; described thus magnetic clutch is only limited to illustrative purposes, and can not be interpreted as and be used to limit protection domain of the present utility model.
Described fixed part 1 forms flange, on the opening that described flange can be fixed on the fuel tank to be opened and carry out captive joint.Alternatively, described fixed part 1 can be connected to the upper surface of fuel tank (not shown) by helicitic texture.
As shown in Figure 1, described transport pipe 2 passes described flange 1 and supplies with fuel oil to driving engine when needed, and described fuel oil is through filtration and contain few impurity (will further specify in the back).The other end of described transport pipe 2 is connected to described fuel oil filter 3.Need to prove that the effect of described fuel oil filter is, deleterious particle in the filtering engine fuel oil system and moisture content with protection oil pump nozzle, cylinder sleeve, piston ring etc., and reduce wear, and avoid driving engine is resulted in blockage.
With reference to Fig. 1, described fuel supply device 100 further comprises further: the discharge pressure of the fuel oil that pressure restrictor 4, described pressure restrictor 4 are arranged on the fuel oil filter 3 and will be filtered through described fuel oil filter 3 is controlled on the predetermined threshold value.Because the delivery pressure of the fuel oil by transport pipe 2 output need remain within certain range of pressure, so need being provided with the existing killer of described pressure, described fuel supply device 100 comes the delivery pressure of fuel oil is regulated, to meet the requirement of driving engine to the pressure of the fuel oil of ejection.
As shown in fig. 1, described fuel oil filter 3 is connected with fuel charger core 6 further, and described fuel supply device 100 utilizes described fuel charger core 6 to pump then, and offers driving engine.The other end of described fuel charger core 6 is connected to described rough filter 7, and the fuel oil quilt of described rough filter 7 in fuel tank pump core 6 then tentatively filters before pumping, to filter out the coarse particle impurity in the fuel oil that is contained in the described fuel tank.
Further, further comprise a plurality of fuel pump units according to fuel supply device 100 of the present utility model.Described fuel pump unit comprises oil suction pipe 8, and an end of described oil suction pipe (8) is connected to described rough filter 7; And magnetic clutch 5, described magnetic clutch 5 is connected with the other end of described oil suction pipe 8.
Described rough filter 7 and described a plurality of fuel pump unit are arranged on the fuel tank bottom, thereby conveniently utilize described fuel oil pump unit suction to be contained in the fuel oil of described fuel tank bottom, even thereby under the situation that described fuel oil reduces, described fuel pump unit also can be with remaining fuel delivery to driving engine.
In according to an embodiment of the present utility model, described fuel pump unit is set to a plurality of, be arranged in position suitable in the fuel tank, for example medium in the turning of fuel tank, the fuel tank by a plurality of chambers of being separated, thus the supply of fuel oil is controlled in the switching of the magnetic clutch 5 by being arranged on the fuel oil pump unit in the fuel tank effectively.
For example, according to an embodiment of the present utility model, described fuel pump unit is set to 2, is separately positioned on the front side and the rear side of fuel tank internal, thereby can carry out fuel delivery effectively when vehicle climbing or descending.More preferably, described fuel pump unit can form 4, is separately positioned on front side, left side, right side and the rear side of fuel tank internal.Thus, can effectively utilize described fuel pump unit in any case at the fuel tank bevelled and carry out fuel delivery control.
Utilize these a plurality of fuel pump units to can be implemented in complicated shape thus and cause the big fuel tank of oil circuit resistance or have normal operation in the fuel tank of a plurality of chambers, and can stably export by continual assurance fuel oil, even when amount of fuel in the fuel tank reduces, can guarantee that also fuel oil stably outputs to driving engine.
Describe fuel oil pump unit according to an embodiment of the present utility model below in conjunction with Fig. 2-4, wherein Fig. 2 has shown according to the oil suction pipe 8 of the fuel supply device 100 of an embodiment of the present utility model and the structural representation of magnetic clutch 5; Fig. 3 has shown the cutaway view according to the magnetic clutch 5 in the fuel supply device 100 of an embodiment of the present utility model.
In fuel oil pump unit according to an embodiment of the present utility model, magnetic clutch 5 is installed in the head of oil suction pipe 8, (for example ECU of driving engine) controls the switching that its work reaches oil suction pipe 8 according to logical program by control unit, fuel oil enters in the housing of rough filter 7 through oil suction pipe 8, rough filter oil outlet 71 is tightly connected together with fuel charger core 6, fuel oil enters the fuel charger core by rough filter oil outlet 71, and can be pumped to driving engine as required after rough filter 7 filters.
In according to an embodiment of the present utility model, as shown in Figure 3, described magnetic clutch 5 is made up of steering unit 51 and magnetic slider 52, steering unit 51 can be operated to magnetic slider 52 and have the magnetic identical or opposite with described steering unit 51, and when steering unit 51 produced the magnetic identical with magnetic slider 52, magnetic slider 52 was pushed and closes described oil suction pipe 8; When steering unit 51 produced the magnetic opposite with magnetic slider 52, magnetic slider 52 was attracted to steering unit 51 and opens described oil suction pipe 8.From above-mentioned explanation as seen, described magnetic clutch 5 can be carried out by suitable controller the switching of described magnetic clutch 5 is controlled, for example ECU of driving engine (electronic control unit) etc.
Describe Fuel supply system 200 in detail below in conjunction with Fig. 4 according to an embodiment of the present utility model.Wherein Fig. 4 has described the scheme drawing according to the Fuel supply system 200 of an embodiment of the present utility model.
Described Fuel supply system 200 comprises: fuel tank 201, and described fuel tank 201 is used to hold fuel oil; Above-mentioned fuel supply device 100 according to an embodiment of the present utility model, described fuel supply device 100 is arranged in the described fuel tank and its fixed part 1 is fixed to the upper surface of described fuel tank 201, and its rough filter 7 and described a plurality of fuel pump unit are arranged on fuel tank 201 bottoms; Sensing unit 202, described sensing unit 202 is used for the inclined degree of sensing fuel tank and transmits control signal; And ECU 203, described ECU 203 controls the switching of the magnetic clutch 5 of described fuel supply device 100 according to the signal of 202 sensings of described sensing unit.
Need to prove, electronic control unit (ECU) is a microcomputer, in integrated circuit and other accurate electronic component are arranged, and compile the signal of each sensor acquisition on the driving engine and the signal of ignition distributor, and the oil mass of the required supply of next circulation is analyzed and calculated to (for example parts per thousand ten seconds in) within the extremely short time, and in time send the instruction of oil spout to fuel injector, make fuel oil and air form that desirable mixture gas enters cylinder and burning produces power.
In the driving process of the vehicle of for example automobile, the car body of automobile can the run-off the straight along with the variation of road, may cause a side of fuel oil tendency vehicle thus, in traditional fuel tank, if utilize negative pressure to extract fuel oil, the situation of fuel oil negative pressure deficiency then may appear.And in according to an embodiment of the present utility model, when described sensing unit 202 sensed the inclination of fuel tank, described sensing unit 202 transmitted control signal.ECU 203 controls the switching of the magnetic clutch 5 of described fuel supply device 100 according to the signal of 202 sensings of described sensing unit.For example, a compartment IFO intermediate fuel oil in fuel tank is less when being difficult to supply with, ECU closes described magnetic clutch 5, and correspondingly opens in the fuel tank magnetic clutch 5 than downside according to the transducing signal of sensing unit 202, thereby can carry out the supply of fuel oil as required.
Further, according to an embodiment of the present utility model, described sensing unit 202 can be arranged on the sidewall of described fuel tank 201.Those of ordinary skill obviously can be arranged on any suitable position with described sensing unit 202 as required, and for example the bottom of fuel tank needs only the heeling condition that this sensing unit 202 can detect fuel tank 201.
Operating process according to the fuel supply device 100 of an embodiment of the present utility model will simply be described below.
At first, when ECU 203 controls fuel delivery according to logical program, control the switching of oil suction pipe 8 oil inlets by magnetic clutch 5.Promptly when not needing to supply with fuel oil, ECU 203 sends the steering unit 51 of instruction to magnetic clutch 5 according to logical program, and steering unit 51 produces the magnetic identical with magnetic slider 52, and the same sex is repelled each other, magnetic slider 52 is pushed to the oil inlet of oil suction pipe 8, and oil suction pipe 8 is closed; And when needs were supplied with fuel oil, steering unit 51 produced the magnetic different with magnetic slider 52, and there is a natural attraction between the sexes, and magnetic slider 52 is attracted to steering unit 51, and the oil inlet of oil suction pipe 8 is opened.
When sucking fuel oil, fuel oil enters in the rough filter 7 by oil suction pipe 8 and filters, and enters fuel charger core 6 oil inlets that link together again; The fuel oil that fuel charger core 6 pumps enters fuel oil filter 3 and carries out fine filtering, at last, be delivered to the engine oil pipeline through transport pipe 2, wherein the discharge pressure of the fuel oil that can will be filtered through described fuel oil filter 3 by pressure restrictor 4 is controlled on the predetermined threshold value.
Simultaneously in the driving process of vehicle, when described sensing unit 202 senses the inclination of fuel tank, described sensing unit 202 transmits control signal, ECU 203 controls the switching of the magnetic clutch 5 of described fuel supply device 100 according to the signal of 202 sensings of described sensing unit, thereby can reach the automatic purpose that the fuel oil pump unit of fuel supply device 100 is opened and closed according to the travel conditions of vehicle.
From above-mentioned explanation as seen, according to Fuel supply system 200 of the present utility model, described ECU 203 is by the switching of logical program control magnetic clutch 5, thereby flowed to reliably in the rough filter 7 that is installed in the fuel charger bottom at the fuel oil in each corner of fuel tank, even when fuel tank is inclined to certain angle, still can guarantee in the rough filter 7 that fuel oil is flowed to reliably to be installed in bottom the fuel charger.Further, because described ECU 203 can control the switching of magnetic clutch 7 according to logical program, the framing member that this has significantly reduced traditional fuel supply device 100 has increased the reliability and the service life of fuel supply device 100.In addition, can arrange a plurality of fuel oil pump units according to the fuel tank particular case, described a plurality of fuel oil pump unit comprises many oil suction pipes and is used to control the electromagnetic clutch mechanism that oil suction pipe opens and closes, in addition, the shape of described oil suction pipe can design according to the shape of fuel tank, thereby has improved the comformability of this Fuel supply system.
Although illustrated and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that under the situation that does not break away from principle of the present utility model and spirit and can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present utility model is limited by claims and equivalent thereof.
Claims (10)
1, a kind of fuel supply device comprises: the fixed part (1) that is fixed to the fuel tank upper surface; Fuel oil filter (3); Transport pipe (2), described transport pipe (2) pass described fixed part (1) and are connected to described fuel oil filter (3); Rough filter (7); And fuel charger core (6), one end of described fuel charger core (6) is connected to described fuel oil filter (3), the other end of described fuel charger core (6) is connected to described rough filter (7), it is characterized in that, described fuel supply device further comprises the fuel pump unit, and described fuel pump unit is connected to described rough filter (7).
2, fuel supply device according to claim 1 is characterized in that, described fuel pump unit comprises:
Oil suction pipe (8), an end of described oil suction pipe (8) is connected to described rough filter (7); And
The oil suction pipe opening/closing unit, described oil suction pipe opening/closing unit is connected with the other end of described oil suction pipe (8).
3, fuel supply device according to claim 2 is characterized in that, described oil suction pipe opening/closing unit is magnetic clutch (5).
4, fuel supply device according to claim 1 is characterized in that, described fuel supply device further comprises:
Pressure restrictor (4), described pressure restrictor (4) are arranged on that fuel oil filter (3) is gone up and the discharge pressure of the fuel oil that will be filtered through described fuel oil filter (3) is controlled on the predetermined threshold value.
5, fuel supply device according to claim 1 is characterized in that: described rough filter (7) and described fuel pump unit are arranged on the fuel tank bottom.
6, fuel supply device according to claim 1 is characterized in that: described fuel supply device has 2 or 4 described fuel pump units.
7, fuel supply device according to claim 3, it is characterized in that: described magnetic clutch is made up of steering unit (51) and magnetic slider (52), steering unit (51) can be operated to magnetic slider (52) to have and the identical or opposite magnetic of described steering unit (51), and when steering unit (51) produced the magnetic identical with magnetic slider (52), magnetic slider (52) was pushed and closes described oil suction pipe (8); When steering unit (51) produced the magnetic opposite with magnetic slider (52), magnetic slider (52) was attracted to steering unit (51) and opens described oil suction pipe (8).
8, fuel supply device according to claim 1 is characterized in that: described fixed part (1) forms flange, and described flange is fixed to the fuel tank upper surface.
9, a kind of Fuel supply system is characterized in that, comprising:
Fuel tank (201), described fuel tank (201) holds fuel oil;
Fuel supply device according to claim 1, described fuel supply device are arranged in the described fuel tank and its fixed part (1) is fixed to the upper surface of described fuel tank, and its rough filter (7) and described a plurality of fuel pump unit are arranged on the fuel tank bottom;
Sensing unit (202), described sensing unit (202) is used for the inclined degree of sensing fuel tank and transmits control signal; And
ECU (203), described ECU (203) control the switching of the magnetic clutch of described fuel supply device (100) according to the signal of described sensing unit (202) institute sensing.
10, Fuel supply system according to claim 9 is characterized in that, described sensing unit (202) is arranged on the sidewall of described fuel tank (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201050271U CN201362173Y (en) | 2009-01-07 | 2009-01-07 | Fuel oil supplying device and fuel oil supplying system with the fuel oil supplying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201050271U CN201362173Y (en) | 2009-01-07 | 2009-01-07 | Fuel oil supplying device and fuel oil supplying system with the fuel oil supplying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201362173Y true CN201362173Y (en) | 2009-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201050271U Expired - Lifetime CN201362173Y (en) | 2009-01-07 | 2009-01-07 | Fuel oil supplying device and fuel oil supplying system with the fuel oil supplying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201362173Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573491A (en) * | 2012-07-30 | 2014-02-12 | 成都陵川特种工业有限责任公司 | Lower fuel tank structure capable of guaranteeing normal fuel suction of fuel pump |
-
2009
- 2009-01-07 CN CNU2009201050271U patent/CN201362173Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573491A (en) * | 2012-07-30 | 2014-02-12 | 成都陵川特种工业有限责任公司 | Lower fuel tank structure capable of guaranteeing normal fuel suction of fuel pump |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091216 |