CN207292449U - Fuel On Board heats and cooling device - Google Patents

Abstract

It the utility model is related to fuel oil thermal management technology field, specifically provide a kind of Fuel On Board heating and cooling device, including radiator, steam generator, liquid nitrogen pump, liquid nitrogen pipes and exhaust gear, radiator is arranged in fuel tank, steam generator is connected by steam into pipeline with radiator, radiator outlet is provided with drainage pipeline, the outlet of drainage pipeline is arranged on outside fuel tank, the outlet of liquid nitrogen pump is connected with the entrance of liquid nitrogen pipes, a portion of liquid nitrogen pipes is arranged in fuel tank, the outlet of liquid nitrogen pipes is arranged on outside fuel tank, exhaust gear is arranged on fuel tank siding, for being vented decompression when tank pressure reaches predetermined value.

Description

Fuel On Board heats and cooling device

Technical field

It the utility model is related to fuel oil thermal management technology field, more particularly to Fuel On Board heating and cooling device.

Background technology

Fuel oil on aircraft is usually as low-temperature receiver, for the hot-end component on cooler.In order to which experimental study fuel oil is not Cooling capacity and correlation properties under synthermal, it is necessary to the temperature of fuel oil is adjusted, adjustable range be generally+80 DEG C~- 45 DEG C, i.e., by fuel Heating or cooling, to reach required oil temperature.

At present, under laboratory environment, the electrically heated mode of heating generally use to fuel oil, directly heats high-flash Oil product, then passes to fuel oil by radiator by the oil product of high-flash.The method is higher to the requirement of explosion proof in laboratory, energy consumption Also it is bigger.

Utility model content

To overcome above-mentioned at least one defect existing in the prior art, the utility model provides a kind of Fuel On Board heating And cooling device, including radiator, steam generator, liquid nitrogen pump, liquid nitrogen pipes and exhaust gear；

Radiator is arranged in fuel tank, and steam generator is connected by steam into pipeline with radiator, radiator Outlet is provided with drainage pipeline, and the outlet of drainage pipeline is arranged on outside fuel tank；

The outlet of liquid nitrogen pump is connected with the entrance of liquid nitrogen pipes, and a portion of liquid nitrogen pipes is arranged in fuel tank, The outlet of liquid nitrogen pipes is arranged on outside fuel tank；

Exhaust gear is arranged on fuel tank siding, for being vented decompression when tank pressure reaches predetermined value.

Preferably, exhaust gear includes housing, valve bar, baffle and spring, and housing is equipped with lip, be in the lip in The passage of tubular, valve bar are slidably connected through the passage and with it, and valve bar one end is fixed with baffle, and baffle plate setting is in oil The exhaust ports of case simultaneously cut off the exhaust outlet and extraneous connection, and the baffle is provided between the lip lower end of housing and baffle Required spacing is moved along the valve rod axis, spring is set on the outside of valve bar, its one end extruding housing, other end extruding Baffle.

Preferably, bushing is equipped between valve bar and the passage of housing.

Preferably, baffle end face is equipped with sealing ring, and baffle is connected by sealing ring with the exhaust outlet of fuel tank.

Preferably, housing further includes a plurality of supporting leg, and housing is mutually fixed by supporting leg with the siding of fuel tank, and supporting leg is housing lip The outer lip of mouth.

Preferably, the supporting leg of housing is bolted on fuel tank, bolt stretch into fuel tank be partially coated with fluid sealant.

Preferably, the part being arranged in fuel tank of liquid nitrogen pipes is the coil pipe in spring-like.

Fuel On Board heating provided by the utility model and cooling device, have the advantages that：

When the 1st, heating, since the oil product of the traditional high-flash of the specific heat ratio of water is low, same temperature is raised, it is necessary to absorb Heat it is few, therefore while heating need the little energy that inputs, it is more energy saving；

When the 2nd, cooling down, it is only necessary to add liquid nitrogen or water inside corresponding liquid nitrogen tank or steam generator, people It is fewer than traditional method to participate in factor；

3rd, liquid nitrogen and water derive from a wealth of sources, and are compared with the oil product or refrigerant of high-flash, many of low cost.

Brief description of the drawings

Fig. 1 is the integrated connection relation schematic diagram of Fuel On Board heating and cooling device；

Fig. 2 is the structure diagram of radiator；

Fig. 3 is the schematic elevation view of coil pipe；

Fig. 4 is exhaust gear side view cutaway drawing；

Fig. 5 is the axis side schematic diagram of exhaust gear；

Fig. 6 is the schematic top plan view of exhaust gear.

Reference numeral：

Fuel tank 1, radiator 11, exhaust outlet 12；

Liquid nitrogen pump 2, liquid nitrogen pipes 21, coil pipe 22；

Steam generator 3, steam enter pipeline 31, drainage pipeline 32；

Exhaust gear 4, housing 41, valve bar 42, baffle 43, spring 44, bushing 45.

Embodiment

To make the purpose, technical scheme and advantage that the utility model is implemented clearer, below in conjunction with the utility model Attached drawing in embodiment, is further described in more detail the technical scheme in the embodiment of the utility model.

It should be noted that：The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to for explaining this reality With new, and it is not intended that limitation to the utility model.In the accompanying drawings, same or similar label represents phase from beginning to end Same or similar element has the function of same or like element.Described embodiment is that the utility model part is implemented Example, instead of all the embodiments, in the case where there is no conflict, the feature in embodiment and embodiment in the application can phase Mutually combination.Based on the embodiment in the utility model, those of ordinary skill in the art are without creative efforts All other embodiments obtained, shall fall within the protection scope of the present invention.

In the description of the utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear", The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on attached drawing institutes The orientation or position relationship shown, is for only for ease of description the utility model and simplifies description, rather than indicates or imply and is signified Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this practicality The limitation of novel protected scope.

The utility model provides a kind of heating of Fuel On Board and cooling device, by using safety, the method for low cost, Fuel oil is heated and is cooled down.As shown in Figure 1, the device includes radiator 11, steam generator 3, liquid nitrogen pump 2, liquid Nitrogen pipeline 21 and exhaust gear 4, fuel oil are stored in fuel tank 1.

Radiator 11 is arranged in fuel tank 1, and the schematic diagram of radiator 11 is as shown in Fig. 2, steam generator 3 passes through steaming Gas is connected into pipeline 31 with radiator 11, and the outlet of radiator 11 is provided with drainage pipeline 32, and the outlet of drainage pipeline 32 is set Outside fuel tank 1.When needing to fuel Heating, the hot steam that steam generator 3 produces is entered into pipeline 31 by steam Radiator 11 is inputted, after the heat of vapor passes to fuel oil by radiator 11, is liquefied as water and by 32 row of drainage pipeline Go out.

The outlet of liquid nitrogen pump 2 is connected with the entrance of liquid nitrogen pipes 21, and a portion of liquid nitrogen pipes 21 is arranged on oil In case 1, the outlet of liquid nitrogen pipes 21 is arranged on outside fuel tank 1.In the present embodiment, the portion being arranged in fuel tank 1 of liquid nitrogen pipes 21 It is divided into the coil pipe 22 in spring-like, the schematic diagram of coil pipe 22 is as shown in Figure 3.When needing to cool down fuel oil, liquid nitrogen pump 2 leads to liquid nitrogen Cross liquid nitrogen pipes 21 to input in coil pipe 22, after cold is passed to fuel oil by liquid nitrogen, be gasificated into nitrogen, discharged from nitrogen outlet.

Nitrogen discharge is not smooth in order to prevent and then causes tank pressure higher, and exhaust gear is provided with the wainscot of fuel tank 4, for discharging the gas in fuel tank.Exhaust gear 4 is arranged on 1 siding of fuel tank, in fuel tank 1 pressure reach a fixed number Decompression is vented during value.In the present embodiment, as shown in Figures 4 to 6, exhaust gear 4 includes housing 41, valve bar 42,43 and of baffle Spring 44, housing 41 are equipped with lip, be tubular passage in the lip, valve bar 42 run through the passage and with its company of slip Connect, 42 one end of valve bar is fixed with baffle 43, baffle 43 be arranged at the exhaust outlet 12 of fuel tank 1 and cut off the exhaust outlet 12 with it is outer The connection on boundary, has certain distance between the lower end of the passage of housing 41 and baffle 43, spring 44 is set in the outside of valve bar 42, Its one end extrudes housing 41, other end extruding baffle 43.In the present embodiment, lining is equipped between the passage of valve bar 42 and housing 41 Set 45.43 end face of baffle is equipped with sealing ring, and baffle 43 is connected by the exhaust outlet 12 of sealing ring and fuel tank 1.Housing 41 further includes A plurality of supporting leg, housing 41 are mutually fixed by supporting leg with the siding of fuel tank 1, and supporting leg is the outer lip of 41 lip of housing.The branch of housing 41 Leg is bolted on fuel tank 1, bolt stretch into fuel tank 1 be partially coated with fluid sealant.

The operation principle of exhaust gear 4 is：

When the pressure in fuel tank 1 gradually increases, the oil gas in fuel tank 1 applies baffle 43 on outside pressure, spring 44 Apply inward force to baffle 43 to keep baffle 43 to be closed, when the pressure in fuel tank 1 reaches to a certain degree, oil Oil gas in case 1 overcomes 44 elastic force of spring to open baffle 43, and oil gas leakage, the pressure of fuel tank 1 reduces.Moved in baffle 43 During, valve bar 42 is slided with the movement of baffle 43 in the tubular passage of housing 41.

The above, is only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to In this, any one skilled in the art is in the technical scope that the utility model discloses, the change that can readily occur in Change or replace, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with described Subject to scope of the claims.

Claims (7)

1. a kind of heating of Fuel On Board and cooling device, it is characterised in that including radiator (11), steam generator (3), Liquid nitrogen pump (2), liquid nitrogen pipes (21) and exhaust gear (4)；

Radiator (11) is arranged in fuel tank (1), and steam generator (3) enters pipeline (31) and radiator by steam (11) connect, radiator (11) outlet is provided with drainage pipeline (32), and the outlet of drainage pipeline (32) is arranged on fuel tank (1) outside；

The outlet of liquid nitrogen pump (2) is connected with the entrance of liquid nitrogen pipes (21), and a portion of liquid nitrogen pipes (21) is arranged on In fuel tank (1), the outlet of liquid nitrogen pipes (21) is arranged on fuel tank (1) outside；

Exhaust gear (4) is arranged on fuel tank (1) siding, for being vented decompression when fuel tank (1) interior pressure reaches predetermined value.

2. Fuel On Board heating according to claim 1 and cooling device, it is characterised in that exhaust gear (4) includes shell Body (41), valve bar (42), baffle (43) and spring (44), housing (41) are equipped with lip, lead in the lip to be tubular Road, valve bar (42) are slidably connected through the passage and with it, and valve bar (42) one end is fixed with baffle (43), and baffle (43) is set Put at exhaust outlet (12) place of fuel tank (1) and cut off the exhaust outlet (12) and extraneous connection, the lip lower end of housing (41) and The baffle (43) is provided between baffle (43) required spacing is moved along valve bar (42) axis, spring (44) is arranged On the outside of valve bar (42), its one end extruding housing (41), other end extruding baffle (43).

3. Fuel On Board heating according to claim 2 and cooling device, it is characterised in that valve bar (42) and housing (41) bushing (45) is equipped between passage.

4. Fuel On Board heating according to claim 2 and cooling device, it is characterised in that baffle (43) end face is equipped with close Seal, baffle (43) are connected by the exhaust outlet (12) of sealing ring and fuel tank (1).

5. Fuel On Board heating according to claim 2 and cooling device, it is characterised in that housing (41) further includes a plurality of Supporting leg, housing (41) are mutually fixed by supporting leg with the siding of fuel tank (1), and supporting leg is the outer lip of housing (41) lip.

6. Fuel On Board heating according to claim 5 and cooling device, it is characterised in that the supporting leg of housing (41) passes through Bolt is fixed on fuel tank (1), bolt stretch into fuel tank (1) be partially coated with fluid sealant.

7. Fuel On Board heating according to claim 1 and cooling device, it is characterised in that the setting of liquid nitrogen pipes (21) Part in fuel tank (1) is the coil pipe (22) in spring-like.