CN219733532U - Fuel tank heating system of diesel hybrid electric vehicle - Google Patents
Fuel tank heating system of diesel hybrid electric vehicle Download PDFInfo
- Publication number
- CN219733532U CN219733532U CN202321299191.7U CN202321299191U CN219733532U CN 219733532 U CN219733532 U CN 219733532U CN 202321299191 U CN202321299191 U CN 202321299191U CN 219733532 U CN219733532 U CN 219733532U
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- Prior art keywords
- diesel
- heating
- tank
- controller
- ptc
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 46
- 239000002828 fuel tank Substances 0.000 title claims description 8
- 238000005485 electric heating Methods 0.000 claims abstract description 11
- 239000002283 diesel fuel Substances 0.000 abstract description 21
- 230000000694 effects Effects 0.000 abstract description 5
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 238000000889 atomisation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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- Hybrid Electric Vehicles (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
In order to solve the problems of long heating time and poor heating effect of a diesel oil tank, the utility model provides a heating system of a diesel hybrid electric vehicle oil tank, which comprises the following components: a diesel tank; the PTC heating wire is arranged at the bottom position in the diesel tank; the power battery pack is electrically connected with the PTC electric heating wire; the controller is electrically connected with the power battery pack, and a signal input end and a signal output end of the controller are respectively connected with the whole vehicle control system and the PTC heating wire; the device can solve the viscosity problem of diesel under low temperature environment, improve cold starting performance of diesel hybrid electric vehicle, improve combustion efficiency of engine, reduce emission pollution of engine, and has the advantages of sufficient energy source, large heating current, short heating delay, quick diesel heating and capability of heating the whole diesel tank compared with other modes of heating the diesel tank.
Description
Technical Field
The utility model relates to the technical field of vehicles, in particular to a heating system for a diesel hybrid electric vehicle fuel tank.
Background
Automobiles powered with diesel fuel have been subject to adaptability in cold areas. The main reason is that when the environmental temperature is too low, the viscosity of the diesel oil increases, the atomization effect of the diesel oil in the engine is poor, so that the diesel oil cannot be compression-ignited, and the engine cannot work normally. Even when the situation is bad, the diesel in the diesel tank can not be pumped into the engine normally.
The problem-caused bad conditions are relieved by heating the diesel pipeline in the industry, the idea is to heat the diesel pipeline through electric-thermal energy conversion by utilizing the energy stored in a 12V or 24V storage battery of an automobile, and the following problems still exist:
1. the energy source is insufficient, the heating effect is limited before the engine is started, and the situation that the battery is fed and the engine is still not started possibly occurs;
2. the heating time is long, the temperature of the diesel oil rises slowly, so that the temperature of the diesel oil flowing through a heating pipeline is limited, and the problem of poor diesel oil atomization effect can not be well solved;
3. the diesel oil in the whole diesel oil tank can not be heated, and the problem that the diesel oil can not be pumped into an engine normally due to too low temperature of the diesel oil can not be solved.
Disclosure of Invention
In order to solve the problems of long heating time and poor heating effect of a diesel oil tank, the utility model provides a heating system of a diesel hybrid electric vehicle, which adopts the following technical scheme:
a heating system for a diesel hybrid vehicle fuel tank, comprising:
a diesel tank;
the PTC heating wire is arranged at the bottom position in the diesel tank;
the power battery pack is electrically connected with the PTC electric heating wire;
and the signal input end and the signal output end of the controller are respectively connected with the whole vehicle control system and the PTC electric heating wire.
Further, the power battery is electrically connected with a high-voltage distribution box, the high-voltage distribution box is electrically connected with the PTC heating wire and the controller, and the high-voltage distribution box is connected with a signal output end of the controller.
Further, the high-voltage distribution box is provided with a charging interface.
Further, the controller is arranged at the bottom of the diesel tank, a high-voltage plug connector and a low-voltage plug connector are arranged at the bottom of the diesel tank, the high-voltage plug connector is used for electrically connecting the high-voltage distribution box with the PTC heating wire and the controller, and the low-voltage plug connector is used for signal connection between the controller and the whole vehicle control system.
The utility model has the beneficial effects that:
1. the PTC electric heating wire arranged at the bottom of the diesel tank is used for starting a heating mode of the diesel tank when the temperature reaches a certain low temperature state, so that the temperature of all diesel in the diesel tank is increased, the problem of viscosity of the diesel in a low temperature environment is solved, the cold starting performance of a diesel hybrid electric vehicle is improved, the combustion efficiency of an engine is improved, and the emission pollution of the engine is reduced;
2. the PTC heating wire is powered by the power battery pack and the high-voltage distribution box, and compared with the technical scheme adopting the storage battery, the power battery pack has the advantages of sufficient energy source, large heating current, short heating delay and quick heating of diesel;
3. the power battery pack can be charged through the high-voltage distribution box and the charging interface or the PTC heating wire can be heated by means of electric energy of an external power grid.
Drawings
FIG. 1 is a schematic view of the structure of the present utility model
FIG. 2 is a schematic diagram of a diesel tank structure
FIG. 3 is a schematic view of the internal structure of the bottom shell of the fuel tank
The device comprises a 1-diesel tank, a 101-oil tank bottom shell, a 2-power battery pack, a 3-high-voltage distribution box, a 4-charging interface, a 5-controller, a 6-PTC heating wire, a 7-high-voltage plug connector and an 8-low-voltage plug connector.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
In the description of the utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the view direction or positional relationships, merely to facilitate describing the utility model, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the utility model.
The diesel hybrid car oil tank heating system as shown in fig. 1-3 comprises a diesel tank 1, a power battery pack 2, a high-voltage distribution box 3, a controller 5 and a PTC heating wire 6, wherein the bottom of the diesel tank 1 is an oil tank bottom shell 101, the PTC heating wire 6 is paved at the bottom position in the oil tank bottom shell 101 of the diesel tank 1, the controller 5 is fixedly connected inside the oil tank bottom shell 101, the power battery pack 2 is electrically connected with the high-voltage distribution box 3 through a high-voltage wire harness, the high-voltage distribution box 3, the controller 5 and the PTC heating wire 6 are sequentially connected in series through the high-voltage wire harness, a relay for controlling the on-off of the PTC heating wire 6 is arranged in the controller 5, the high-voltage distribution box 3 is used for switching on and off of the high-voltage circuit, the power battery pack 2 transmits electric energy to the PTC heating wire 6 and the controller 5 through the high-voltage wire harness and the high-voltage distribution box 3, so that diesel inside the diesel tank 1 is heated, a charging interface 4 is arranged on the high-voltage distribution box 3, and an external power supply can charge the power battery pack 2 through the charging interface 4 and the high-voltage distribution box 3.
The outer wall of the oil tank bottom shell 101 is fixedly connected with a high-voltage plug connector 7 and a low-voltage plug connector 8, the controller 5 and the PTC heating wire 6 are electrically connected with the high-voltage distribution box 3 through the high-voltage plug connector 7, and the controller 5 is in signal connection with a vehicle control system through the low-voltage plug connector 8 and is used for receiving control signals sent by the vehicle control system.
The working principle of the device is as follows:
the controller 5 receives a control signal sent by the whole vehicle control system through the low-voltage plug connector 8, when judging to start the PTC electric heating wire 6 to work, the controller 5 controls the high-voltage distribution box 3 to enable the power battery pack 2 to be communicated with the PTC electric heating wire 6, electric energy in the power battery pack 2 is transmitted to the PTC electric heating wire 6 through the high-voltage distribution box 3, diesel oil in the diesel oil tank 1 is heated through heat generated by the PTC electric heating wire 6, the diesel oil tank heating mode is started under the working condition that the temperature reaches a certain low temperature state through the PTC electric heating wire 6 arranged at the bottom of the diesel oil tank 1, so that the temperature of the diesel oil in the diesel oil tank is increased, the problem of viscosity of the diesel oil in a low temperature environment is solved, the cold starting performance of a diesel oil hybrid vehicle is improved, the combustion efficiency of an engine is improved, and the emission pollution of the engine is reduced.
The foregoing is only a preferred embodiment of the utility model, it being noted that: it will be apparent to those skilled in the art that modifications may be made without departing from the principles of the utility model, and such modifications are intended to be within the scope of the utility model.
Claims (4)
1. A heating system for a diesel hybrid vehicle fuel tank, comprising:
a diesel tank;
the PTC heating wire is arranged at the bottom position in the diesel tank;
the power battery pack is electrically connected with the PTC electric heating wire;
and the signal input end and the signal output end of the controller are respectively connected with the whole vehicle control system and the PTC electric heating wire.
2. The heating system of the diesel hybrid vehicle fuel tank of claim 1, wherein the power battery is electrically connected to a high voltage distribution box, and wherein the high voltage distribution box is electrically connected to the PTC heating wire and the controller.
3. The diesel hybrid vehicle tank heating system of claim 2, wherein the high voltage electrical box is provided with a charging interface.
4. The diesel hybrid vehicle fuel tank heating system of claim 2, wherein the controller is disposed at a bottom of a diesel tank, the bottom of the diesel tank is provided with a high-voltage plug connector and a low-voltage plug connector, the high-voltage plug connector is used for electrically connecting a high-voltage distribution box with the PTC heating wire and the controller, and the low-voltage plug connector is used for signal connection of the controller with a vehicle control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321299191.7U CN219733532U (en) | 2023-05-25 | 2023-05-25 | Fuel tank heating system of diesel hybrid electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321299191.7U CN219733532U (en) | 2023-05-25 | 2023-05-25 | Fuel tank heating system of diesel hybrid electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219733532U true CN219733532U (en) | 2023-09-22 |
Family
ID=88059042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321299191.7U Active CN219733532U (en) | 2023-05-25 | 2023-05-25 | Fuel tank heating system of diesel hybrid electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219733532U (en) |
-
2023
- 2023-05-25 CN CN202321299191.7U patent/CN219733532U/en active Active
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