CN208360509U - A kind of fuel combustion type aircraft flame-proof explosion-proof fuel tank - Google Patents
A kind of fuel combustion type aircraft flame-proof explosion-proof fuel tank Download PDFInfo
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- CN208360509U CN208360509U CN201821018081.8U CN201821018081U CN208360509U CN 208360509 U CN208360509 U CN 208360509U CN 201821018081 U CN201821018081 U CN 201821018081U CN 208360509 U CN208360509 U CN 208360509U
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Abstract
The utility model discloses a kind of fuel combustion type aircraft flame-proof explosion-proof fuel tanks, including cabinet, partition is provided in the cavity of the box house, for cavity to be separated into interconnected the first cavity and the second cavity, it is placed with explosion-proof grid in first cavity, for the first cavity to be separated into multiple interconnected sub-chamber；It is placed with fuel pump in second cavity, for oil to be delivered to engine；The oil outlet for being provided with the oil inlet communicated with first cavity on the cabinet and being connected to fuel pump in second cavity；It is provided with the through-hole through explosion-proof grid immediately below the oil inlet, metallic bond is provided in the through-hole, one end of the metallic bond is connect to conduct with cabinet with the fuel tank cap of the oil inlet.The fuel combustion type aircraft of the utility model flame-proof explosion-proof fuel tank has many advantages, such as that structure is simple, explosion-proof effect is good.
Description
Technical field
The utility model relates generally to vehicle technology field, refers in particular to a kind of fuel combustion type aircraft flame-proof explosion-proof fuel tank.
Background technique
Currently, small aircraft is widely used in every field, various measuring instruments (such as camera) can be carried and carry out height
Sky detection can be used for the throwing of high-altitude object, can also be applied to agricultural, detection, meteorological, hazard forecasting and rescue etc..By
The fuel tank used in aircraft, easily because of burning caused by the accidental causes such as collision, electrical short-circuit, open fire and lightning stroke and explosion
Peril, often result in great property loss and casualties.In presently disclosed technical literature, patent is " a kind of
Automobile magnesium alloy barrier film explosion-proof fuel tank " (206446436 U of CN), inside have the almag diaphragm with idler wheel, diaphragm
It can be risen or fallen with fuel level, completely cut off the contact area of fuel oil and air to the maximum extent, had centainly
Explosion-proof performance.Patent " a kind of motor vehicle Separated explosion-proof fuel tank for improving structure " (206374559 U of CN), then fill in fuel tank
The datonation-inhibition filler of similar sponge, is inhibited the rate of propagation of flame with this, plays datonation-inhibition effect.A kind of patent " novel resistance
Every explosion-proof fuel tank " it is similar with the patent of front, joined in fuel tank spherical explosion-proof ball play the role of it is datonation-inhibition.Patent is " a kind of
Fire-retardant Explosion suppression oil tank and aircraft fuel tank " (107902097 A of CN) the characteristics of then combining the above patent, it is added in fuel tank
Filler, and joined partition, to play the role of datonation-inhibition.But partition used in existing patent and filler are big
The use space of fuel tank is reduced greatly, and structure is complicated.
Utility model content
The technical problems to be solved in the utility model is that for technical problem of the existing technology, this is practical new
Type provides the fuel combustion type aircraft flame-proof explosion-proof fuel tank that a kind of structure is simple, explosion-proof effect is good.
In order to solve the above technical problems, the utility model proposes technical solution are as follows:
A kind of fuel combustion type aircraft flame-proof explosion-proof fuel tank, including cabinet, be provided in the cavity of the box house every
Plate is placed with explosion-proof grid in first cavity for cavity to be separated into interconnected the first cavity and the second cavity,
For the first cavity to be separated into multiple interconnected sub-chamber；It is placed with fuel pump in second cavity, being used for will be oily
It is delivered to engine；Be provided on the cabinet oil inlet communicated with first cavity and with the second cavity internal combustion
The oil outlet of oil pump connection；It is provided with the through-hole through explosion-proof grid immediately below the oil inlet, is provided in the through-hole
Metallic bond, one end of the metallic bond are connect to conduct with cabinet with the fuel tank cap of the oil inlet.
As a further improvement of the above technical scheme:
The explosion-proof grid includes multiple-layer horizontal panel, is interference fitted between each horizontal panel and the inner wall of cabinet；Every layer
The lower surface of horizontal panel is provided with multiple rows of vertical panel, between being provided between the vertical panel of upper row and the horizontal panel of lower layer
Gap.
The oil return opening of the second cavity of connection is provided with above the cabinet；It is recessed that strip is provided in the horizontal panel
One end of slot, the strip groove is provided with the oil flow hole being connected to sub-chamber of lower layer；Strip groove in adjacent level panel
Oil flow hole dislocation arrangement.
It is fixed with baffle on metallic bond between the oil inlet and explosion-proof grid, for avoiding fuel oil and metallic bond pair
The impact of fuel tank cap.
The leve detecting assembly for amount of fuel in detection box is provided in second cavity.
The leve detecting assembly includes liquid level sensor and runs through the sleeve of explosion-proof grid up and down, is arranged on the sleeve
There is oilhole, the liquid level sensor is located in the sleeve.
It is provided with combination valve on the cabinet, is let out for being opened when air pressure is higher than preset value in the cavity of cabinet
Pressure.
Elastic flame interlayer is provided on the inner wall of the cabinet.
The elastic flame interlayer is interlayer made of polyamide resin material.
The cabinet includes upper box and lower box, is welded after seaming molding or seaming between the upper box and lower box
It connects.
Compared with the prior art, the advantages of the utility model are:
The fuel combustion type aircraft flame-proof explosion-proof fuel tank of the utility model, is integrated in box house for fuel pump, can be most
The oil suction of limits, to improve the utilization rate of fuel oil, while the intracorporal fuel oil of case can also play the work of cooling to fuel pump
With；It is provided with explosion-proof grid in cabinet, the first cavity is separated into multiple sub-chamber；When air enter in cabinet with fuel oil
After volatilization gas mixing, it can be divided by multiple sub-chamber, make the concentration of combustible gas that the extreme degree of explosion be not achieved, separately
Outer explosion-proof grid can also effectively Assimilation and conductivity burning when most of heat for releasing, and then effectively prevent fuel tank explosion；
In addition, exploding since the components such as the intracorporal explosion-proof grid of case may generate electrostatic with fuel oil friction, it is provided in cabinet
The metallic bond conducted with tank surface, to conducting the electrostatic that component each in cabinet friction generates through metallic bond to cabinet table
Face and discharge, avoid generate explode risk.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model.
Fig. 2 is one of the schematic diagram of internal structure of the utility model.
Fig. 3 is the two of the schematic diagram of internal structure of the utility model.
Figure label indicates: 1, cabinet；101, shell；102, inner casing；103, partition；104, the first cavity；105, second
Cavity；106, oil inlet；107, oil outlet；108, oil return opening；109, combination valve；1010, drain valve；2, explosion-proof grid；201,
Horizontal panel；202, vertical panel；203, through-hole；204, groove；3, metallic bond；4, baffle；5, leve detecting assembly；501, it covers
Cylinder；502, liquid level sensor.
Specific embodiment
The utility model is further described below in conjunction with Figure of description and specific embodiment.
As shown in Figure 1 to Figure 3, the fuel combustion type aircraft flame-proof explosion-proof fuel tank of the present embodiment, wherein aircraft is flight
Motor, hovercar or unmanned plane etc., fuel tank specifically include the cabinet 1 of rectangular shape, cabinet 1 by aluminum alloy casing 101 with
And elastic flame interlayer (inner casing 102 as made of the polyamide resin material) composition on 101 inner wall of aluminum alloy casing is set；
Partition 103 is provided in cavity inside cabinet 1, it is empty for cavity to be separated into the first interconnected cavity 104 and second
Chamber 105 is wherein interference fitted between 1 inner wall of partition 103 and cabinet；Explosion-proof grid 2 is placed in first cavity 104, being used for will
First cavity 104 is separated into multiple interconnected sub-chamber；It is placed with fuel pump (not shown) in second cavity 105,
For oil to be delivered to engine；Be provided on cabinet 1 oil inlet 106 communicated with the first cavity 104 and with the second cavity
The oil outlet 107 that fuel pump is connected in 105；The underface of oil inlet 106 is provided with the through-hole 203 through explosion-proof grid 2, through-hole
Metallic bond 3 is provided in 203, one end of metallic bond 3 is connect to conduct with cabinet 1 with the fuel tank cap of oil inlet 106.This is practical
Novel fuel combustion type aircraft flame-proof explosion-proof fuel tank, fuel pump is integrated in inside cabinet 1, can maximum oil suction,
To improve the utilization rate of fuel oil, while the fuel oil in cabinet 1 also can play the role of cooling to fuel pump；In cabinet 1
It is provided with explosion-proof grid 2, the first cavity 104 is separated into multiple sub-chamber；When air enters the Volatile Gas in cabinet 1 with fuel oil
After body mixing, it can be divided by multiple sub-chamber, make the concentration of combustible gas that the extreme degree of explosion be not achieved, it is in addition explosion-proof
Grid 2 can also effectively absorb the most of heat released when burning, and then effectively prevent fuel tank explosion；In addition, due to
The components such as the explosion-proof grid 2 in cabinet 1 may generate electrostatic with fuel oil friction and explode, and be provided in cabinet 1 and cabinet 1
The logical metallic bond 3 of surface conductance, to conducting the electrostatic that component each in cabinet 1 friction generates through metallic bond 3 to 1 surface of cabinet
And discharge, it avoids generating the risk exploded.
In the present embodiment, explosion-proof grid 2 includes four layers of horizontal panel 201, the inner wall of each horizontal panel 201 and cabinet 1 it
Between be interference fitted；The lower surface of every layer of horizontal panel 201 is provided with multiple rows of vertical panel 202, the vertical panel 202 of upper row and lower layer
Horizontal panel 201 between be provided with gap, be convenient for fuel flow communication.It should be noted that here not to the layer of datonation-inhibition grid
Number is defined, it is to be understood that in other embodiments, can also be according to demands such as fuel tank specification sizes, by HORIZONTAL PLAID
The quantity of plate 201 is set as one layer, two layers or other layers etc..In the present embodiment, explosion-proof grid 2 is nonmetallic materials (as gathered
Amide resin material etc.), it should be noted that the specific material of explosion-proof grid 2 is not defined here, as long as meeting high
Elastic (in stronger flexibility), high-intensitive, fire-retardant requirement.
In the present embodiment, cabinet 1 includes aluminum alloy casing 101, is compounded with elastic flame on the inner wall of aluminum alloy casing 101
Interlayer (i.e. inner casing 102), since inner casing 102 is made of elastic material, hit in shell 101 and in the case where breakage, no
It will lead to fuel tank oil leak, reduce a possibility that aircraft is on fire to greatest extent.In the present embodiment, cabinet 1 include upper box and
Lower box welds after seaming molding or seaming between upper box and lower box.In addition, due to each nonmetallic materials in cabinet 1
Manufactured component (explosion-proof grid 2 etc.) can release non-combustible, nonflammable gas under heating state, therefore on cabinet 1
Combination valve 109 is set, opens carry out pressure release when air pressure is higher than preset value in the cavity of cabinet 1, fuel tank is avoided to explode,
Middle combination valve 109 have the function of it is two-way open, cracking pressure is set as 98KPa or 120KPa, it should be noted that herein not
Cracking pressure is defined, in other embodiments, suitable cracking pressure is also selected according to realization situation.
In the present embodiment, the top of cabinet 1 is provided with the oil return opening 108 of the second cavity 105 of connection, wherein oil return opening 108
It is arranged far from the second cavity 105；Strip groove 204 is provided in horizontal panel 201, one end of strip groove 204 is provided with
The oil flow hole being connected to sub-chamber of lower layer；The oil flow hole of strip groove 204, which misplaces, in adjacent level panel 201 arranges, to make
The oil that oil return opening 108 flows into successively flows through from the strip groove 204 in each horizontal panel 201 and (flows through track in S shape), thus most
Limits radiate to oil return, reduce its volatility, improve the utilization efficiency of fuel oil.The section of its further groove 204 is in half
Round or triangle etc., it should be noted that the cross sectional shape of groove 204 is not defined herein, it can be according to practical feelings
Condition selects different cross sectional shapes.In addition, being equipped with a sedimentation basin with taper, the row of being equipped with below sedimentation basin in the bottom of cabinet 1
Put lid or drain valve 1010.
In the present embodiment, it is fixed with baffle 4 on the metallic bond 3 between oil inlet 106 and explosion-proof grid 2, is fired for avoiding
The impact of oil and metallic bond 3 to fuel tank cap, while further reinforcement effect is played to metallic bond 3, prevent it from falling to case
1 bottom of body.Baffle 4 is rounded and carries out polishing or crimping processing to its edge, avoids sharp corner to the damage of 1 inner wall of cabinet
Wound.In addition the length of metallic bond 3 is greater than the length of through-hole 203, guarantees the reliable contacts of metallic bond 3 and each component.
In the present embodiment, the leve detecting assembly 5 for oil mass in detection box 1 is provided in the second cavity 105.Wherein
Leve detecting assembly 5 includes liquid level sensor 502 and runs through the sleeve 501 of explosion-proof grid 2 up and down, is provided with oil on sleeve 501
Hole, liquid level sensor 502 are located in sleeve 501, can be measured in real time to the amount of fuel in cabinet 1, convenient for aircraft
Reliably controlled.The position of its middle sleeve 501 is far from the second cavity 105(, that is, fuel pump), guarantee that the stabilization of level sensing can
By property.
Above are merely preferred embodiments of the utility model, the protection scope of the utility model is not limited merely to above-mentioned
Embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should be pointed out that pair
For those skilled in the art, several improvements and modifications without departing from the principle of the utility model,
It should be regarded as the protection scope of the utility model.
Claims (10)
1. a kind of fuel combustion type aircraft flame-proof explosion-proof fuel tank, including cabinet (1), which is characterized in that cabinet (1) inside
Partition (103) are provided in cavity, for cavity to be separated into interconnected the first cavity (104) and the second cavity (105),
Explosion-proof grid (2) are placed in first cavity (104), it is multiple interconnected for the first cavity (104) to be separated into
Sub-chamber；It is placed with fuel pump in second cavity (105), for oil to be delivered to engine；It is arranged on the cabinet (1)
There is the oil inlet (106) communicated with first cavity (104) and what is be connected to the interior fuel pump of second cavity (105) goes out
Hydraulic fluid port (107)；The through-hole (203) through explosion-proof grid (2), the through-hole are provided with immediately below the oil inlet (106)
(203) in be provided with metallic bond (3), one end of the metallic bond (3) connect with the fuel tank cap of the oil inlet (106) with case
Body (1) conducts.
2. fuel combustion type aircraft flame-proof explosion-proof fuel tank according to claim 1, which is characterized in that the explosion-proof grid
(2) include multiple-layer horizontal panel (201), be interference fitted between each horizontal panel (201) and the inner wall of cabinet (1)；Every layer of level
The lower surface of panel (201) is provided with multiple rows of vertical panel (202), the horizontal panel of the upper vertical panel of row (202) and lower layer
(201) gap is provided between.
3. fuel combustion type aircraft flame-proof explosion-proof fuel tank according to claim 2, which is characterized in that the cabinet (1)
Top is provided with the oil return opening (108) of connection the second cavity (105)；Strip groove is provided on the horizontal panel (201)
(204), one end of the strip groove (204) is provided with the oil flow hole being connected to sub-chamber of lower layer；Adjacent level panel (201)
The oil flow hole of upper strip groove (204), which misplaces, to be arranged.
4. fuel combustion type aircraft flame-proof explosion-proof fuel tank according to claim 1 or 2 or 3, which is characterized in that the oil inlet
Baffle (4) are fixed on metallic bond (3) between mouth (106) and explosion-proof grid (2), for avoiding fuel oil and metallic bond (3)
Impact to fuel tank cap.
5. fuel combustion type aircraft flame-proof explosion-proof fuel tank according to claim 1 or 2 or 3, which is characterized in that described second
The leve detecting assembly (5) for detection box (1) interior amount of fuel is provided in cavity (105).
6. fuel combustion type aircraft flame-proof explosion-proof fuel tank according to claim 5, which is characterized in that the level sensing group
Part (5) includes liquid level sensor (502) and runs through the sleeve (501) of explosion-proof grid (2) up and down, is arranged on the sleeve (501)
There is oilhole, the liquid level sensor (502) is located in the sleeve (501).
7. fuel combustion type aircraft flame-proof explosion-proof fuel tank according to claim 1 or 2 or 3, which is characterized in that the cabinet
(1) combination valve (109) are provided on, for opening carry out pressure release when air pressure is higher than preset value in the cavity of cabinet (1).
8. fuel combustion type aircraft flame-proof explosion-proof fuel tank according to claim 1 or 2 or 3, which is characterized in that the cabinet
(1) elastic flame interlayer is provided on inner wall.
9. fuel combustion type aircraft flame-proof explosion-proof fuel tank according to claim 8, which is characterized in that the elastic flame every
Layer is interlayer made of polyamide resin material.
10. fuel combustion type aircraft flame-proof explosion-proof fuel tank according to claim 1 or 2 or 3, which is characterized in that the case
Body (1) includes upper box and lower box, is welded after seaming molding or seaming between the upper box and lower box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821018081.8U CN208360509U (en) | 2018-06-29 | 2018-06-29 | A kind of fuel combustion type aircraft flame-proof explosion-proof fuel tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821018081.8U CN208360509U (en) | 2018-06-29 | 2018-06-29 | A kind of fuel combustion type aircraft flame-proof explosion-proof fuel tank |
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| Publication Number | Publication Date |
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| CN208360509U true CN208360509U (en) | 2019-01-11 |
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| CN201821018081.8U Active CN208360509U (en) | 2018-06-29 | 2018-06-29 | A kind of fuel combustion type aircraft flame-proof explosion-proof fuel tank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108639358A (en) * | 2018-06-29 | 2018-10-12 | 长沙市云智航科技有限公司 | A kind of fuel combustion type aircraft flame-proof explosion-proof fuel tank |
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2018
- 2018-06-29 CN CN201821018081.8U patent/CN208360509U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108639358A (en) * | 2018-06-29 | 2018-10-12 | 长沙市云智航科技有限公司 | A kind of fuel combustion type aircraft flame-proof explosion-proof fuel tank |
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