CN209621502U - A kind of diesel oil commercial vehicle oil tank heating apparatus with liquid level sensor - Google Patents

Abstract

The utility model relates to a fuel tank heating device for a diesel commercial vehicle with a liquid level sensor, which comprises a heating device body, which is installed on the fuel tank; In the cavity where the heat source circulates, the heating pipe is also provided with an auxiliary heat dissipation structure. The oil pipe is sleeved outside the heating pipe and has an accommodation space for circulating oil between the outer wall of the heating pipe. The accommodation space and the oil tank The oil pipes include oil inlet pipes and oil outlet pipes; the heating device body also includes liquid level sensor pipes, which are installed on the base and located at the rear side of the oil pipes, and the liquid level sensor pipes are externally connected to the oil inlet pipes to form a One. The utility model increases the heat exchange contact area, conducts heat quickly, and improves the heating efficiency of diesel oil. The heating pipe is an integral structure, and there is no weld seam at the joint, so that the heat source will not leak, and the safety is guaranteed.

Description

A fuel tank heating device for a diesel commercial vehicle with a liquid level sensor

technical field

The utility model relates to the technical field of fuel tank antifreeze accessories, in particular to the technical field of a fuel tank heating device for diesel commercial vehicles with a liquid level sensor.

Background technique

In the cold winter, diesel oil is prone to waxing and solidification, which reduces the fluidity and affects the start-up and normal operation of diesel vehicles. Most of the current diesel commercial vehicles use two fuel tanks and a fuel heating system. Add -35# and other high-grade diesel in the small fuel tank, add 0# diesel in the large fuel tank, start the vehicle with the diesel in the small fuel tank, and then preheat the large fuel tank by heating with water, then switch to the diesel in the large fuel tank. So as to achieve the purpose of reducing vehicle operating costs.

In the existing heating method, the direct heating of the fuel tank is difficult to control the temperature, and it is relatively dangerous. However, the existing water heating structure generally has the problem of low heating efficiency, and it takes a long time to melt the diesel in the large fuel tank. Diesel, the power performance does not increase, but the higher the price. Due to the low heating efficiency, the waxed diesel oil flowing in the oil pipe will damage the switching valve and other components, increasing the maintenance cost of replacement parts; and the traditional water heating structure is welded, with many welds, and there are damage to the cooling water pipeline and leakage of cooling water Risk of damage to the engine by reaching the large fuel tank.

Utility model content

The purpose of this utility model is to solve the problems in the prior art, and propose a diesel commercial vehicle fuel tank heating device with a liquid level sensor, which increases the heat exchange contact area, conducts heat quickly, and improves the heating efficiency of diesel fuel. The heating pipe is an integral structure , There is no weld at the connection, no heat source will leak, and safety is guaranteed.

In order to achieve the above purpose, the utility model proposes a fuel tank heating device for a diesel commercial vehicle with a liquid level sensor, which includes a heating device body, which is installed on the fuel tank; the heating device body includes a heating pipe, an oil pipe, The heating pipe has a cavity for circulating heat sources, and the heating pipe is also equipped with an auxiliary heat dissipation structure. The oil pipe is sleeved outside the heating pipe and has an accommodating space for circulating oil between the outer wall of the heating pipe. The accommodating space and the oil tank are connected to each other; the oil pipe includes an oil inlet pipe and an oil outlet pipe; the heating device body also includes a liquid level sensor pipe, which is installed on the base and is located at the rear side of the oil pipe, and the liquid level sensor pipe It is integrated with the external connection of the oil inlet pipe.

Preferably, the heat source is water, the heating pipe is a water pipe, and the water pipe is a U-shaped structure integrally formed by extruding aluminum.

Preferably, the water pipe includes a water inlet pipe and a water outlet pipe, the oil inlet pipe is sleeved outside the water outlet pipe, and the oil outlet pipe is sleeved outside the water inlet pipe.

Preferably, the auxiliary heat dissipation structure on the heating pipe is a heat dissipation scale, and the structure of the heat dissipation scale is a fin distributed along the circumference.

As a preference, threads are provided on the outer wall of the mouth of the water inlet pipe and the water outlet pipe, and are located outside the oil tank.

Preferably, the upper part of the heating device body further includes an end cover, the upper end of the heating pipe is screwed to the end cover and sealed by a sealing structure, and the upper end of the oil pipe is connected to the end cover.

Preferably, the heating device body is also provided with a base, the base is connected to the mounting seat, and the lower end of the oil pipe is connected to the mounting seat.

Preferably, an oil guide hole is opened on the mounting seat to communicate between the accommodating space of the oil pipe and the oil tank.

Preferably, the end cap of the heating device body is installed outside the oil tank, the heating pipe, oil pipe, and base are located inside the oil tank, and the heating device body is vertically arranged in the oil tank.

Preferably, a filter screen is arranged inside the end cover, and the filter screen is connected to the oil inlet pipe.

The beneficial effects of the utility model:

1. The utility model increases the heat exchange contact area, conducts heat quickly, improves the heating efficiency of diesel oil, shortens the switching time of 0# diesel oil, reduces the operating cost of the vehicle, and prevents the damage of waxy diesel oil to the switching valve and other components.

2. The heating pipe part of the utility model has no weld seam, is safe and has no leakage, and eliminates the hidden danger of damage to the cooling water pipeline and leakage of cooling water into the large fuel tank to damage the engine. It is safe to heat and easy to use.

The features and advantages of the utility model will be described in detail through embodiments in conjunction with the accompanying drawings.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a schematic diagram of the overall installation position on the fuel tank of a diesel commercial vehicle fuel tank heating device with a liquid level sensor;

Fig. 2 is a schematic diagram of the overall structure of a fuel tank heating device for a diesel commercial vehicle with a liquid level sensor;

Fig. 3 is a structural schematic diagram of a heating pipe of a fuel tank heating device for a diesel commercial vehicle with a liquid level sensor;

Fig. 4 is a schematic cross-sectional view of a fuel tank heating device for a diesel commercial vehicle with a liquid level sensor;

Fig. 5 is a schematic diagram of the structure of the end cover of a fuel tank heating device for a diesel commercial vehicle with a liquid level sensor.

in the picture

1-heating device body, 2-oil tank, 3-sealing structure, 4-end cover, 5-water pipe, 51-water inlet pipe, 52-water outlet pipe, 53-radiating scales, 6-oil pipe, 61-oil outlet pipe, 62- Oil inlet pipe, 7-base, 8-installation seat, 81-oil guide hole, 9-liquid level sensor tube, 10-filter screen.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present utility model, all other implementations obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present utility model.

As shown in Fig. 1, Fig. 2 and Fig. 4, the utility model includes a heating device body 1, and the heating device body 1 is installed on the fuel tank 2; The cavity for circulating the heat source, the heating tube is also equipped with an auxiliary heat dissipation structure, and the oil tube 6 is sleeved outside the heating tube and has an accommodation space for circulating oil between the outer wall of the heating tube. The oil tanks 2 communicate with each other; the oil pipe 6 includes an oil inlet pipe 62 and an oil outlet pipe 61; the heating device body 1 also includes a liquid level sensor pipe 9, which is installed on the base 7 and is located on the rear side of the oil pipe 6 , The liquid level sensor tube 9 is connected to the outside of the oil inlet tube 62 as a whole. The upper end of the liquid level sensor tube 9 is a liquid level sensor. The liquid level sensor tube 9 is externally connected to the oil inlet pipe 62 as a whole, which can conduct heat to the liquid level sensor tube 9, so as to prevent the liquid level sensor tube 9 from affecting the working performance due to the waxing of diesel oil.

The oil outlet pipe 61 is connected to the oil guide pipe to communicate the oil tank with the outside, so that the oil in the oil tank can be introduced to the outside for use. The heat source can flow into the cavity from the heat source inlet and flow out from the heat source outlet, so that the heat source can circulate and continuously heat the oil.

The upper part of the heating device body 1 also includes an end cap 4 , and the outer walls of the water inlet pipe 51 and the water outlet pipe 52 are provided with threads and located outside the oil tank 2 . The upper end of the heating pipe is screwed to the end cap 4 and sealed by the sealing structure 3 , and the upper end of the oil pipe 6 is connected to the end cap 4 . The screw connection ensures the stability of the connection, and avoids the problem of many welds and cracks caused by the traditional welding connection. At the same time, the sealing structure 3 is used for sealing to prevent water from leaking from the heating pipe, causing water to be mixed in the diesel oil The problem of making the engine inoperable increases the safety of the device.

The heating device body 1 is also provided with a base 7 , the base 7 is connected to the mounting seat 8 , and the lower end of the oil pipe 6 is connected to the mounting seat 8 .

An oil guide hole 81 is opened on the mounting base 8 to make the accommodating space of the oil pipe 6 communicate with the oil tank 2 .

The end cap 4 of the heating device body 1 is installed outside the fuel tank 2, the heating pipe, the oil pipe 6, and the base 7 are located inside the fuel tank 2, and the heating device body 1 is vertically arranged in the fuel tank 2.

As shown in Figure 3, the structure of the heating tube

The heat source is water, the heating pipe is a water pipe 5, and the water pipe 5 is a U-shaped structure integrally formed by extruding aluminum materials. The heating tube is integrated in the oil tank, so that the heat source will not leak in the oil tank.

Using water as the heat source, the water can be the cooling water of the engine, the cooling water absorbs the heat of the engine to become hot water, the hot water enters the heating pipe through the heat source inlet to heat the oil inlet pipe 62 and the oil outlet pipe 61 outside the heating pipe, and then The heat source outlet flows out to the storage location of the cooling water, that is, the water tank, and the water in the water tank enters the engine to cool down the engine. The water temperature of the heat source will not cause the oil to overheat and cause damage to the equipment. The heat source is located in the cavity, and the heating pipe has no solder joints or seams inside the fuel tank, but an integral tubular structure, so as to ensure that the hot water will not leak and thus ensure safety.

The water pipe 5 includes a water inlet pipe 51 and a water outlet pipe 52 , the oil inlet pipe 62 is sleeved outside the water outlet pipe 52 , and the oil outlet pipe 61 is sleeved outside the water inlet pipe 51 .

The auxiliary heat dissipation structure on the heating pipe is heat dissipation scales 53, and the structure of heat dissipation scales 53 is fins distributed along the circumference. The heat dissipation scale 53 structure increases the heat exchange area and improves the heating efficiency of the heating pipe, so that the oil in the oil pipe 6 can quickly receive heat energy, and finally thaws the diesel oil, so that the diesel vehicle can run normally, which greatly improves the performance of the device. High operating efficiency saves time and improves the practicability of the heating device.

A filter screen 10 is arranged inside the end cover 4 , and the filter screen 10 is connected to the oil inlet pipe 62 . The filter screen 10 can be used to filter the diesel oil flowing into the fuel tank. The filter screen 10 installed inside the end cover can accept the heat of the end cover, so that the oil passing through the filter screen 10 is less likely to wax and pass through more easily. In addition, it is easier to disassemble and replace than other positions of the oil pipe, and the use effect is better.

Working process of the present utility model:

Oil flows to the fuel tank through the oil inlet pipe 62 and the oil guide hole 81, completing the process of oil entering the fuel tank from the outside; The oil flowing from the oil tank to the outside fills the accommodation space, thereby increasing the temperature of the oil. The hot oil flowing into the oil tank from the outside also passes through the accommodating space to recycle the heat of the oil. The accommodating space is filled with oil, and the heating tube is wrapped, thereby improving the efficiency of heating the oil.

Optimize the structure of the heating water pipe: Extruded aluminum is used in one piece, and the outer wall of the heating water pipe is covered with heat dissipation scales to increase the heat dissipation area, which can greatly improve the heat conversion efficiency of fuel, and greatly shorten the time for switching from high-grade diesel to 0# diesel , reduce vehicle operating costs.

Make full use of the heat of the engine's oil return: add an oil return pipe, put it on the water pipe to heat the return oil, the hot oil returned from the engine will return directly to the bottom of the fuel tank through this pipe, firstly heat the diesel oil in the fuel tank through this oil return pipe, And by melting the diesel oil near the oil suction pipe, the hot oil can be recycled, thereby solving the problem that the diesel oil at the oil suction pipe at the bottom of the fuel tank cannot be melted.

The water pipe leakage problem has been solved: the water circulation heating diesel oil on the market is fixed by welding the oil pipe on the outer wall of the water pipe, but due to the thermal expansion and contraction of the aluminum material and the vibration in the fuel tank, the weld cracks, and the water leaks into the diesel oil and damages the engine. The utility model adopts a screwed and sealed structure to prevent leakage.

The above is only a specific embodiment of the present utility model, but the scope of protection of the present utility model is not limited thereto. Anyone familiar with the technical field can easily think of changes or changes within the technical scope disclosed by the utility model Replacement should be covered within the protection scope of the present utility model.

Claims (10)

1. a kind of diesel oil commercial vehicle oil tank heating apparatus with liquid level sensor, it is characterised in that: including heating device ontology (1), the heating device ontology (1) is mounted on fuel tank (2)；The heating device ontology (1) includes heating tube, oil pipe (6), There is the cavity for the heat source that circulates in the heating tube, auxiliary-radiating structure is additionally provided in heating tube, oil pipe (6), which is set in, to be added There is the accommodating space for the oil liquid that circulates, between the accommodating space and fuel tank (2) outside heat pipe and between heating pipe outer wall It interconnects；The oil pipe (6) includes oil inlet pipe (62), flowline (61)；The heating device ontology (1) further includes that liquid level passes Sensor pipe (9), liquid level sensor pipe (9) are mounted on pedestal (7), be located at oil pipe (6) on rear side of, liquid level sensor pipe (9) with into Oil pipe (62) external connection is integral.

2. a kind of diesel oil commercial vehicle oil tank heating apparatus with liquid level sensor as described in claim 1, it is characterised in that: institute Stating heat source is water, and heating tube is water pipe (5), and water pipe (5) is the integrally formed U-shaped structure of Aluminum extrusion.

3. a kind of diesel oil commercial vehicle oil tank heating apparatus with liquid level sensor as claimed in claim 2, it is characterised in that: institute Stating water pipe (5) includes water inlet pipe (51) and outlet pipe (52), and oil inlet pipe (62) is set in outlet pipe (52) outside, flowline (61) set It is located at water inlet pipe (51) outside.

4. a kind of diesel oil commercial vehicle oil tank heating apparatus with liquid level sensor as described in any one of claims 1-3, special Sign is: auxiliary-radiating structure in the heating tube is heat dissipation scales (53), the structure of heat dissipation scales (53) be circumferentially between Every the fin of distribution.

5. a kind of diesel oil commercial vehicle oil tank heating apparatus with liquid level sensor as claimed in claim 3, it is characterised in that: institute It states and is provided with screw thread on the nozzle lateral wall of water inlet pipe (51) and outlet pipe (52), and be located on the outside of fuel tank (2).

6. a kind of diesel oil commercial vehicle oil tank heating apparatus with liquid level sensor as described in claim 1, it is characterised in that: institute Stating heating device ontology (1) top further includes end cap (4), and heating tube upper end is spirally connected with end cap (4) to be connect and pass through sealing structure (3) it is sealed, oil pipe (6) upper end is connected on end cap (4).

7. a kind of diesel oil commercial vehicle oil tank heating apparatus with liquid level sensor as described in claim 1, it is characterised in that: institute It states heating device ontology (1) to be additionally provided with pedestal (7), pedestal (7) connects mounting base (8), and oil pipe (6) lower end is connected to mounting base (8) on.

8. a kind of diesel oil commercial vehicle oil tank heating apparatus with liquid level sensor as claimed in claim 7, it is characterised in that: institute It states and is provided with oil guiding hole (81) on mounting base (8) and makes to interconnect between the accommodating space of oil pipe (6) and fuel tank (2).

9. a kind of diesel oil commercial vehicle oil tank heating apparatus with liquid level sensor as claimed in claims 6 or 7, feature exist In: the end cap (4) of the heating device ontology (1) is mounted on fuel tank (2) outside, and heating tube, oil pipe (6), pedestal (7) are located at oil Case (2) is internal, and heating device ontology (1) is vertically arranged in fuel tank (2).

10. a kind of diesel oil commercial vehicle oil tank heating apparatus with liquid level sensor as claimed in claim 6, it is characterised in that: The end cap (4) is internally provided with strainer (10), and strainer (10) is communicated to oil inlet pipe (62).