Vehicle-mounted diesel tank with heating and heat preservation device

Abstract

The utility model provides a vehicle-mounted diesel oil tank with a heating and heat preservation device. The vehicle-mounted diesel oil tank comprises a diesel oil tank body, an electric heating rod attached seat, a heat exchange sheet assembly, an oil outlet attached seat, a thermocouple attached seat, an oil filling port screw plug seat, an electric heating plate, an electric heating film, an oil outlet heating rod, an electric heating rod, a thermocouple temperature sensor, an oil outlet rotating joint and a breathing type oil filling port cover. Based on the temperature monitored by the thermocouple temperature sensor and the working state of a vehicle, the vehicle-mounted diesel oil tank with the heating and heat preservation device achieves heating and heat preservation of diesel oil by controlling electric heating modes of different gears so as to guarantee normal cold starting of a vehicle engine and running of fuel oil supply under the working condition of extremely low temperature. The cold start small oil tank is suitable for being connected with a main oil tank in series (or in parallel) under the extremely-low-temperature working condition of a vehicle in a cold region; or the oil tank is independently used as a vehicle heating pot oil tank to guarantee that a heat source is provided after the vehicle heating pot is started.

Description

TECHNICAL FIELD

[0001] The utility model belongs to vehicle power auxiliary technical field, concretely relates to a kind of vehicle-mounted diesel tank with heating insulation device especially suitable for cold region. BACKGROUND

[0002] In severe winter, especially in the far north, when ambient temperature decreases significantly and is lower than the temperature suitable for the diesel grade filled in vehicle, diesel begins to precipitate paraffin crystal, and its kinematic viscosity increases, and its flowability becomes poor; when ambient temperature further decreases, the precipitate of paraffin in diesel is precipitated, and the flowability of diesel gradually loses (all diesel grades will have this property as ambient temperature decreases), and the diesel in pipeline is also gradually cooled and waxed, or even condensed to interrupt fuel supply and make the vehicle unable to run. Therefore, a high-efficiency controllable heating insulation device for vehicle-mounted diesel tank suitable for cold region is needed to solve the problem of poor fuel supply during cold start and initial running of vehicle under the condition of diesel wax precipitation at extremely low temperature. SUMMARY

[0003] (I) Technical problem to be solved

[0004] The utility model provides a vehicle-mounted diesel tank with heating insulation device to solve the technical problem that when ambient temperature during cold start of vehicle is lower than the minimum temperature at which the diesel filled in vehicle can be used, the flowability of diesel decreases to cause poor fuel supply of engine and make the vehicle unable to start.

[0005] (II) Technical scheme

[0006] To solve the above technical problem, the utility model provides a vehicle-mounted diesel tank with heating insulation device, which comprises a diesel tank body, an electric heating rod attachment seat, a heat exchange sheet assembly, an oil outlet attachment seat, a thermocouple attachment seat, a fuel filler screw plug seat, an electric heating plate, an electric heating film, an oil outlet heating rod, an electric heating rod, a thermocouple temperature sensor, an oil outlet rotary joint and a breathing fuel filler cap; wherein,

[0007] The heating plate is fixed to the outer side of the bottom plate of the diesel tank body; the electric heating film is fixed to the outer sides of the left and right side plates and the rear panel of the diesel tank body, respectively; the thermocouple attachment seat, the oil outlet attachment seat and a plurality of electric heating rod attachment seats are welded to the front panel of the diesel tank body; and the fuel filler screw plug seat is welded to the top plate of the diesel tank body.

[0008] The oil outlet rotary joint has a tee form, the inlet end of the oil outlet rotary joint is screwed to the oil outlet attachment seat, and the oil outlet heating rod is screwed to one of the outlet ends of the oil outlet rotary joint to heat the outflowing diesel;

[0009] The thermocouple temperature sensor is screwed on the thermocouple adapter for measuring the temperature of diesel oil in the diesel tank; the plurality of electric heating rods are screwed on the corresponding electric heating rod adapters for heating the diesel oil in the diesel tank; the breathing oil filler cap is screwed on the oil filler plug seat.

[0010] The bottom plate of the diesel tank is welded with the heat exchange fin assembly.

[0011] Further, the diesel tank is formed by four diesel tank panels and two diesel tank side plates to form a rectangular tank structure; wherein the four diesel tank panels are respectively the top plate, the bottom plate, the front panel and the rear panel of the diesel tank, and the two diesel tank side plates are respectively the left and right side plates of the diesel tank.

[0012] Further, the overlapping connection between the adjacent diesel tank panels is full-welded on the outside and segment-welded on the inside; the two diesel tank side plates and the adjacent diesel tank panels are full-welded.

[0013] Further, the plurality of electric heating rod adapters are arranged in layers.

[0014] Further, the heat exchange fin assembly includes heat dissipation fins, heat exchange fin assembly mounting adapters, a heat exchange aluminum bottom plate and fixing bolts; wherein the lower surface of the heat exchange aluminum bottom plate is provided with a plurality of heat exchange fin assembly mounting adapters, and the plurality of fixing bolts are inserted into the top threaded holes of the corresponding fixing bolts after being sleeved with flat washers and spring washers, so as to fixedly connect the heat exchange aluminum bottom plate and the heat exchange fin assembly mounting adapters; the bottom of each heat exchange fin assembly mounting adapter is welded on the inner side of the bottom plate of the diesel tank; the upper surface of the heat exchange aluminum bottom plate is welded with heat dissipation fins for conducting the heat generated by the electric heating rods at the bottom of the diesel tank to the upper part of the diesel tank to melt the wax or condensed diesel oil.

[0015] Further, the heat exchange aluminum bottom plate is processed with arrayed staggered round holes.

[0016] Further, the heat dissipation fins include outer fins and inner fins, and the upper surface of the heat exchange aluminum bottom plate is welded with outer fins on both sides and a plurality of inner fins inside.

[0017] Further, the length of the outer fin is less than that of the adjacent inner fin.

[0018] Further, the upper surface of the heat exchange aluminum bottom plate is also welded with a plurality of reinforcing fins, which are located between two adjacent heat dissipation fins and are arranged at an angle of 45° with the adjacent heat dissipation fins.

[0019] Further, the periphery of the diesel tank is wrapped with thermal insulation cotton.

[0020] (Three) beneficial effects

[0021] The utility model provides a vehicle-mounted diesel tank with heating and heat preservation device, including diesel tank body, electric heating rod attachment seat, heat exchange piece assembly, oil outlet attachment seat, thermocouple attachment seat, oil filler plug seat, electric heating plate, electric heating film, oil outlet heating rod, electric heating rod, thermocouple temperature sensor, oil outlet swivel joint and breathing type oil filler cap, the utility model discloses based on the temperature and vehicle working condition of thermocouple temperature sensor monitoring, and the vehicle-mounted diesel tank with heating and heat preservation device passes through the control different gear electric heating mode, realizes the heating and heat preservation of diesel, to guarantee the normal cold start of vehicle engine and the operation fuel supply under the extremely low temperature working condition, the utility model discloses be applicable to the cold start small oil tank of vehicle in cold region extremely low temperature working condition and main oil tank series connection (or parallel connection), or be used as vehicle heating pot oil tank alone, guarantees the heat source of vehicle heating pot start. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the vehicle-mounted diesel tank structure front view of the utility model with heating and heat preservation device,

[0023] Figure 2 It is the vehicle-mounted diesel tank structure side view of the utility model with heating and heat preservation device,

[0024] Figure 3 It is the electric heating rod and oil outlet swivel joint installation combination schematic view in the utility model,

[0025] Figure 4a It is the heat exchange piece assembly main view in the utility model, Figure 4b It is the plan view. DETAILED DESCRIPTION

[0026] In order to make the purpose, content and advantage of the utility model more clear, the specific implementation of the utility model is described in further detail below in combination with the drawings and examples.

[0027] The utility model discloses a vehicle-mounted diesel tank with heating and heat preservation device, and is used to realize the heating and heat preservation of diesel, to guarantee the normal cold start of vehicle power device and the stable fuel supply under the extremely low temperature working condition, as shown in Figure 1 And 2 The heating and heat preservation device mainly includes diesel tank body, electric heating rod attachment seat 3, heat exchange piece assembly 4, oil outlet attachment seat 5, thermocouple attachment seat 6, oil filler plug seat 7, electric heating plate 8, electric heating film 9, oil outlet heating rod 10, electric heating rod 11, thermocouple temperature sensor 12, oil outlet swivel joint 13, breathing type oil filler cap 14 and heat preservation cotton 15.

[0028] The diesel tank body is formed by four diesel tank panels 1 and two diesel tank side plates 2. The four diesel tank panels 1 are used as the top plate, the bottom plate, the front plate and the back plate of the diesel tank body respectively, and the overlapping connection between the adjacent diesel tank panels 1 is sealed by full welding on the outer side and segment welding on the inner side. The two diesel tank side plates 2 are used as the left and right side plates of the diesel tank body, and the full welding is used to seal the connection between the two diesel tank side plates 2 and the adjacent diesel tank panels 1. After welding, the diesel tank body is subjected to a pressure test, and if there is leakage, the welding and welding splashes are cleaned, the inner surface is coated with epoxy phenolic anticorrosive baking paint, and the outer surface is coated with epoxy zinc-rich primer.

[0029] The heating plate 8 is fixed on the outer side of the bottom plate of the diesel tank body. An electric heating film 9 is fixed on the outer side of the left and right side plates and the back plate of the diesel tank body. The thermocouple adapter 6, the oil outlet adapter 5 and a plurality of electric heating rod adapters 3 are welded on the front plate of the diesel tank body. The plurality of electric heating rod adapters 3 are arranged in layers. The oil filler screw plug seat 7 is welded on the top plate of the diesel tank body.

[0030] The oil outlet rotary joint 13 has a three-way form, as shown in Figure 3 . The inlet end of the oil outlet rotary joint 13 is screwed on the oil outlet adapter 5, and the oil outlet heating rod 10 is screwed on one of the outlet ends of the oil outlet rotary joint 13 for heating the outflowing diesel oil.

[0031] The thermocouple temperature sensor 12 is screwed on the thermocouple adapter 6 for measuring the temperature of the diesel oil in the diesel tank body. A plurality of electric heating rods 11 are screwed on the corresponding electric heating rod adapters 3 for multi-layer heating of the diesel oil in the diesel tank body. The breathing oil filler cap 14 is screwed on the oil filler screw plug seat 7.

[0032] The heat exchange sheet assembly 4 is welded on the inner side of the bottom plate of the diesel tank body. As shown in Figure 4a and 4bAs shown, the heat exchange fin assembly 4 includes outer aluminum fins 401, inner aluminum fins 402, reinforcing aluminum fins 403, heat exchange fin assembly mounting brackets 404, heat exchange aluminum base plate 405, flat washers 406, spring washers 407 and fixing bolts 408. Among them, the heat exchange aluminum base plate 405 is processed with an array of staggered round holes, which facilitates heat conduction inside the diesel tank body and melting of diesel flowing to the bottom of the diesel tank body. The lower surface of the heat exchange aluminum base plate 405 is provided with a plurality of heat exchange fin assembly mounting brackets 404, and after the flat washers 406 and spring washers 407 are sleeved, the fixing bolts 408 are inserted into the top threaded holes of the corresponding fixing bolts 408 from the heat exchange aluminum base plate 405, so as to fixedly connect the heat exchange aluminum base plate 405 and the heat exchange fin assembly mounting bracket 404. The bottom of each heat exchange fin assembly mounting bracket 404 is welded to the inner side of the bottom plate of the diesel tank body. The upper surface of the heat exchange aluminum base plate 405 is welded with outer aluminum fins 401 located on both sides and a plurality of inner aluminum fins 402 located inside, which are used to conduct heat generated by the electric heating rod 11 located at the bottom of the diesel tank body to the upper part of the diesel tank body, so as to melt the wax or condensed diesel at the upper part. The length of the outer aluminum fin 401 is less than that of the adjacent inner aluminum fin 402, so as to leave a space for screwing the fixing bolt 408. The upper surface of the heat exchange aluminum base plate 405 is also welded with a plurality of reinforcing aluminum fins 403, which are located between adjacent two aluminum fins and are arranged at 45° with the adjacent aluminum fins, for strengthening the structure and increasing the heat conduction area.

[0033] The periphery of the diesel tank body is wrapped with thermal insulation cotton 15 required by the corresponding working condition. After assembly, the vehicle-mounted diesel tank with heating and insulation device is subjected to pressure test, and there should be no leakage phenomenon. If the threaded part leaks, the threaded locking glue can be used, and the specific brand and specification are specified by the process according to the situation, but the grinding surface should not have glue.

[0034] Based on the temperature monitored by the thermocouple temperature sensor 121 and the working state of the vehicle, the vehicle-mounted diesel tank with heating and insulation device is controlled by a three-gear switch (off, gear 1, gear 2) to control the electric heating working mode. When the switch is in the "off" state, the device stops working and is in a power-off state; when the switch is in the "gear 1" state, the oil outlet heating rod 10 of the device, the electric heating plate 8 at the bottom of the diesel tank, the electric heating film 9 (3 pieces) and the electric heating film along the pipeline start heating work, realizing the diesel heat preservation function; when the switch is in the "gear 2" state, all the heating components in the "gear 1" of the device continue to work, and the internal electric heating rod 11 of the tank starts to heat work (the number of internal electric heating rods of the tank can be adjusted appropriately according to the use condition), realizing the diesel heating function. By controlling different gears, the device realizes the heating and insulation function of diesel, so as to ensure the normal cold start of the vehicle engine and the fuel supply under extremely low temperature working condition.

[0035] The above merely is the preferred implementation manner of the present application, and it should be noted that, for the ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and deformations can be made, and these improvements and deformations should also be considered as the protection scope of the present application.

Claims

1. A vehicle-mounted diesel tank having a heating and temperature maintaining device, characterized by comprising: The vehicle-mounted diesel tank with heating and heat preservation device comprises a diesel tank body, an electric heating rod attachment seat, a heat exchange sheet assembly, an oil outlet attachment seat, a thermocouple attachment seat, a fuel filling port screw plug seat, an electric heating plate, an electric heating film, an oil outlet heating rod, an electric heating rod, a thermocouple temperature sensor, an oil outlet rotary joint and a breathing type fuel filling port cover. The bottom plate of the diesel tank body is externally fixed with a heating plate; the left and right side plates and the rear panel of the diesel tank body are externally fixed with electric heating films, respectively; the front panel of the diesel tank body is welded with a thermocouple attachment seat, an oil outlet attachment seat and a plurality of electric heating rod attachment seats; the top plate of the diesel tank body is welded with a fuel filling port screw plug seat. The oil outlet rotary joint has a tee joint form, the inlet end of the oil outlet rotary joint is installed on the oil outlet attachment seat through screw threads, and the oil outlet heating rod is installed on one of the outlet ends of the oil outlet rotary joint through screw threads, for heating the outflowing diesel oil. The thermocouple temperature sensor is installed on the thermocouple attachment seat through screw threads, for measuring the temperature of the diesel oil in the diesel tank body; the plurality of electric heating rods are installed on the corresponding electric heating rod attachment seats through screw threads, for heating the diesel oil in the diesel tank body; and the breathing type fuel filling port cover is installed on the fuel filling port screw plug seat through screw threads. The heat exchange sheet assembly is welded on the inner side of the bottom plate of the diesel tank body.

2. The on-board diesel tank with a heating and temperature maintaining device according to claim 1, characterized in that, The diesel tank body is formed into a rectangular box structure by four diesel tank enclosure panels and two diesel tank side plates; wherein the four diesel tank enclosure panels are used as the top plate, the bottom plate, the front panel and the rear panel of the diesel tank body, respectively, and the two diesel tank side plates are used as the left and right side plates of the diesel tank body, respectively.

3. The on-board diesel tank with a heating and temperature maintaining device according to claim 2, characterized in that, The overlapping connection between the connected diesel tank enclosure panels is sealed by full welding on the outer side and segment welding on the inner side; and the two diesel tank side plates and the adjacent diesel tank enclosure panels are sealed by full welding.

4. The on-board diesel tank with a heating and temperature maintaining device according to claim 1, characterized in that, The plurality of electric heating rod attachment seats are arranged in layers.

5. The on-board diesel tank having a heating and temperature maintaining device according to claim 1, wherein The heat exchange sheet assembly comprises heat dissipation fins, heat exchange sheet assembly installation attachment seats, a heat exchange aluminum bottom plate and fixing bolts; wherein the lower surface of the heat exchange aluminum bottom plate is provided with a plurality of heat exchange sheet assembly installation attachment seats, and the plurality of fixing bolts are inserted into the top threaded holes of the corresponding fixing bolts after being sleeved with flat washers and spring washers, so as to fixedly connect the heat exchange aluminum bottom plate and the heat exchange sheet assembly installation attachment seats; the bottom of each heat exchange sheet assembly installation attachment seat is welded on the inner side of the bottom plate of the diesel tank body; the upper surface of the heat exchange aluminum bottom plate is welded with heat dissipation fins, for conducting the heat generated by the electric heating rods located at the bottom of the diesel tank body to the upper part of the diesel tank body, so as to melt the wax or condensed diesel oil at the upper part.

6. The on-board diesel tank with a heating and temperature maintaining device according to claim 5, characterized in that, Arrayed staggered circular holes are processed on the heat exchange aluminum bottom plate.

7. The on-board diesel tank with a heating and temperature maintaining device according to claim 5, characterized in that, The heat dissipation fins comprise outer fins and inner fins, the upper surface of the heat exchange aluminum bottom plate is welded with outer fins on both sides and a plurality of inner fins inside.

8. The on-board diesel tank with a heating and temperature maintaining device according to claim 7, characterized in that, The length of the outer fin is less than that of the adjacent inner fin.

9. The on-board diesel tank having a heating and temperature maintaining device according to claim 5, wherein, The upper surface of the heat exchange aluminum bottom plate is also welded with a plurality of reinforcing fins, the reinforcing fins are located between two adjacent heat dissipation fins and are arranged at an angle of 45° with the adjacent heat dissipation fins.

10. The on-board diesel tank having a heating and temperature maintaining device according to claim 1, wherein, The periphery of the diesel tank body is wrapped with heat preservation cotton.

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