Vehicle

Abstract

The utility model provides a vehicle which comprises a tail exhaust pipeline used for outputting tail gas of an engine; one end of the stop valve is connected with the output end of the tail exhaust pipeline, and the stop valve is used for connecting or disconnecting the tail exhaust pipeline; and the energy utilization device is arranged in the cab, is connected with the other end of the stop valve and is used for switching on or switching off a corresponding device when receiving the energy utilization signal so as to receive and output to-be-utilized energy in the tail gas. The utilization rate of tail gas of the engine is improved, tail gas emission is more energy-saving and environment-friendly, and the vehicle using experience of a user is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicles, and particularly relates to a vehicle. Background Art

[0002] In the related art, the treatment of automobile exhaust is very important for energy conservation and environmental protection. During the operation of the vehicle engine, a large amount of heat energy and water molecules are generated. A part of the heat energy and water molecules are carried away by the exhaust gas. For the exhaust gas treatment solutions, for example, the engine exhaust gas is directly discharged into the atmosphere through a muffler, or a water collection device is arranged near the tailpipe muffler to recover the water in the exhaust gas for reuse.

[0003] However, the utilization rate of the exhaust gas in the above solutions is not high, the exhaust gas emission is not energy-saving and environmentally friendly enough, and the position of the water collection device is not user-friendly enough. Summary of the Utility Model

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art.

[0005] To this end, an object of the utility model is to provide a vehicle, which improves the utilization rate of the engine exhaust gas, makes the exhaust gas emission more energy-saving and environmentally friendly, and improves the user experience of using the vehicle.

[0006] To achieve the above object, an embodiment of the first aspect of the utility model provides a vehicle, including: a tailpipe for outputting the exhaust gas of the engine; a stop valve, one end of which is connected to the output end of the tailpipe, for conducting or shutting off the tailpipe; an energy utilization device, which is arranged in the cab and connected to the other end of the stop valve, and is used for conducting or closing corresponding devices when receiving an energy utilization signal, so as to receive and output the energy to be utilized in the exhaust gas.

[0007] According to the vehicle of the embodiment of the utility model, after the tailpipe outputs the engine exhaust gas and the stop valve is conducted, the energy utilization device receives and outputs the energy to be utilized in the exhaust gas. Since the energy utilization device is arranged in the cab, it is more convenient to take water when the energy to be utilized, such as surplus water, needs to be utilized, thereby improving the utilization rate of the engine exhaust gas, making the exhaust gas emission more energy-saving and environmentally friendly, and improving the user experience of using the vehicle.

[0008] In some embodiments, the vehicle includes: a surplus water utilization device, which is arranged in the cab and connected to the other end of the stop valve, for outputting the surplus water in the energy to be utilized; a waste heat utilization device, which is arranged in the cab and connected to the other end of the stop valve, and is used for outputting the waste heat in the energy to be utilized to heat the seats of the vehicle when receiving a heating demand.

[0009] In some embodiments, the residual water utilization device includes: a gas-liquid separator, the input end of the gas-liquid separator is connected to the other end of the stop valve, and is configured to receive the energy to be utilized when the stop valve is opened, and separate the residual water and residual heat in the energy to be utilized; a water storage device, the input end of the water storage device is connected to the first output end of the gas-liquid separator, and is configured to receive the residual water; a manual valve, connected to the first output end of the water storage device, and is configured to output the residual water when it is turned on.

[0010] In some embodiments, the residual water utilization device further includes: a liquid level sensor, disposed in the water storage device, and configured to detect the liquid level value in the water storage device.

[0011] In some embodiments, the residual water utilization device further includes: an atomizer, connected to the second output end of the water storage device, and configured to be turned on when an opening signal is received.

[0012] In some embodiments, the residual water utilization device further includes: a drain valve, connected to the first output end of the water storage device, and configured to be turned on when a liquid level value is received, wherein the received liquid level value exceeds a preset liquid level threshold.

[0013] In some embodiments, the residual heat utilization device includes: a three-way valve, the first end of the three-way valve is connected to the second output end of the gas-liquid separator, and is configured to form a bypass branch with the tail exhaust pipeline, the stop valve and the gas-liquid separator; a heat exchanger, connected to the second end of the three-way valve, and is configured to form a heat exchange branch with the tail exhaust pipeline, the stop valve, the gas-liquid separator and the three-way valve.

[0014] In some embodiments, the residual heat utilization device further includes: a temperature sensor, disposed on the heat exchanger, and configured to detect the temperature value of the heat exchanger.

[0015] In some embodiments, the vehicle further includes: a throttle valve, disposed on the tail exhaust pipeline, and configured to be opened to a preset opening when an energy utilization signal is received, or opened to full when a driving signal is received.

[0016] In some embodiments, the vehicle further includes: a tail exhaust muffler, connected to the output end of the tail exhaust pipeline, and configured to output the energy to be utilized.

[0017] The additional aspects and advantages of the present invention will be partly given in the following description, partly will become obvious from the following description, or be understood through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

[0019] Figure 1 is a structural block diagram of a vehicle according to a specific embodiment of the present invention;

[0020] Figure 2 is a working principle diagram of an exhaust gas utilization system according to a specific embodiment of the present invention;

[0021] Figure 3 is an exhaust gas ejector structure diagram according to a specific embodiment of the present invention;

[0022] Figure 4 is a working flow chart of an exhaust gas utilization system according to a specific embodiment of the present invention;

[0023] Reference numerals:

[0024] Exhaust gas utilization system 1;

[0025] Tail exhaust pipeline 2; Cut-off valve 3; Energy utilization device 4;

[0026] Waste heat utilization device 22; Waste water utilization device 23;

[0027] Engine 10; Three-way valve 11; Heat exchanger 12; Liquid level sensor 13; Gas-liquid separator 14; Manual valve 15; Atomizer 16; Tail exhaust muffler 17; Throttle valve 18; Exhaust port 19; Water storage device 20; Drain valve 21; Temperature sensor 24;

[0028] Vehicle 100. Specific embodiments

[0029] The embodiments of the present invention will be described in detail below. The embodiments described with reference to the drawings are exemplary. The embodiments of the present invention will be described in detail below.

[0030] Reference will be made below to Figures 1 - 4 describe the vehicle 100 according to the embodiments of the present invention.

[0031] As Figure 1 shown, it is a structural block diagram of a vehicle according to a specific embodiment of the present invention. The vehicle 100 according to the embodiment of the present invention includes a tail exhaust pipeline 2, a cut-off valve 3 and an energy utilization device 4. One end of the cut-off valve 3 is connected to the output end of the tail exhaust pipeline 2, and the energy utilization device 4 is arranged in the cab and connected to the other end of the cut-off valve 3. The tail exhaust pipeline 2 is used to output the exhaust gas of the engine; the cut-off valve 3 is used to conduct or cut off the tail exhaust pipeline; the energy utilization device 4 is used to conduct or close the corresponding devices when receiving an energy utilization signal, so as to receive and output the energy to be utilized in the exhaust gas.

[0032] In the embodiment, the vehicle 100 includes an exhaust gas utilization system 1. In combination with Figure 2As shown in the figure, it is the working principle diagram of the exhaust gas utilization system of a specific embodiment of the present utility model. The exhaust gas utilization system 1 includes an exhaust pipe 2, a stop valve 3, and an energy utilization device 4. One end of the stop valve 3 is connected to the output end of the exhaust pipe 2, and the energy utilization device 4 is arranged in the cab and connected to the other end of the stop valve 3. During the working process of the engine 10, a large amount of heat energy and water molecules are generated. Part of the heat energy and the generated water are taken away by the exhaust gas and enter the exhaust pipe 2 to become the energy to be utilized. When the stop valve 3 is in the conducting state, the exhaust pipe 2 outputs the exhaust gas to the energy utilization device 4. When the stop valve 3 is in the off state, the exhaust pipe 2 cannot output the exhaust gas to the energy utilization device 4. When the driver and passengers have a functional requirement for using the energy utilization device 4, such as using the waste heat and waste water in the exhaust gas to humidify the air in the cab, heat the seat, and take water, etc., the controller can be controlled to output an energy utilization signal corresponding to the functional requirement. After receiving the corresponding energy utilization signal, the energy utilization device 4 will conduct or close the corresponding components, and output the energy to be utilized in the exhaust gas to meet the corresponding functional requirements.

[0033] In addition, by using the negative pressure generated by the relative movement of the air and the vehicle body, the internal and external pressure difference is increased, so that the exhaust gas moves in the branch flow channels inside the energy utilization device 4, reducing the influence of the flow resistance of the energy utilization device 4. Combining Figure 3 As shown in the figure, it is the exhaust gas ejection structure diagram of a specific embodiment of the present utility model. The branch flow channels inside the energy utilization device 4 are relatively long, which will generate a large flow resistance, which will have a certain negative impact on the engine system. Therefore, a preset exhaust outlet method is provided. The exhaust outlet, that is, the exhaust port, is the exhaust port corresponding to the exhaust gas outlet direction of each branch in the energy utilization device 4. The exhaust port is on the side outside the cab, and the exhaust port is made into a Venturi tube structure. When the vehicle is driving at a high speed, the driving direction of the vehicle is opposite to the air flow direction, and thus a relative movement is generated. According to Bernoulli's law, the faster the air flow rate, the lower the pressure. The high-speed flowing air in the Venturi tube will generate a large negative pressure at the exhaust port, which will increase the exhaust gas inlet and outlet pressures of the waste heat utilization device 22 and the waste water utilization device 23 in the energy utilization device 4, provide power for the flow of the internal gas, reduce the influence of the flow resistance of the energy utilization device 4, and thus reduce the negative impact brought by the energy utilization device 4 to the engine system.

[0034] According to the vehicle 100 of the embodiment of the present utility model, after the exhaust pipe outputs the engine exhaust gas and the stop valve is conducted, the energy utilization device receives and outputs the energy to be utilized in the exhaust gas. Since the energy utilization device is arranged in the cab, it is more convenient to take water when the energy to be utilized, such as waste water, needs to be utilized. Thereby, the utilization rate of the engine exhaust gas is improved, the exhaust gas emission is more energy-saving and environmentally friendly, and the user's vehicle use experience is improved.

[0035] In some embodiments, the vehicle 100 includes an exhaust gas utilization system 1, such asFigure 2 As shown in the figure, it is the working principle diagram of the exhaust gas utilization system of a specific embodiment of the present utility model. The vehicle 100 includes a surplus water utilization device 23 and a waste heat utilization device 22. The surplus water utilization device 23 is arranged in the cab and is connected to the other end of the cut-off valve 3. The surplus water utilization device 23 is used to output the surplus water in the energy to be utilized. The waste heat utilization device 22 is used to output the waste heat in the energy to be utilized to heat the vehicle seat when receiving a heating demand.

[0036] In the embodiment, as Figure 2 shown, during the working process of the engine 10, a large amount of heat energy and water molecules are generated. A part of the heat energy and the generated water are taken away by the exhaust gas and enter the tail pipe 2 to become the energy to be utilized. When the driver and passengers have a functional demand for using the energy utilization device 4, the controller can be controlled to output an energy utilization signal corresponding to the functional demand. After receiving the corresponding energy utilization signal, the energy utilization device 4 controls the cut-off valve 3 to open and be in a conducting state. The energy to be utilized in the exhaust gas is transported to the surplus water utilization device 23 through the cut-off valve 3. After being processed by the surplus water utilization device 23, the surplus water in the energy to be utilized is output. When there is a heating demand, for example, heating the seat in the cab, the waste heat utilization device 22 processes the energy to be utilized in the exhaust gas and outputs the waste heat in the energy to be utilized to heat the vehicle seat. The surplus water utilization device 23 is arranged near the cab to facilitate the driver and passengers to fetch water. By processing the energy to be utilized in the exhaust gas through the surplus water utilization device 23 and the waste heat utilization device 22, the utilization rate of the engine exhaust gas is improved, the exhaust gas emission is made more energy-saving and environmentally friendly, and the user's vehicle use experience is improved.

[0037] In some embodiments, as Figure 2 shown, the surplus water utilization device 23 includes a gas-liquid separator 14, a water storage device 20 and a manual valve 15. The input end of the gas-liquid separator 14 is connected to the other end of the cut-off valve 3. The input end of the water storage device 20 is connected to the first output end of the gas-liquid separator 14. The manual valve 15 is connected to the first output end of the water storage device 20. The gas-liquid separator 14 is used to receive the energy to be utilized when the cut-off valve 3 is opened, and separate the surplus water and waste heat in the energy to be utilized. The water storage device 20 is used to receive the surplus water. The manual valve 15 is used to output the surplus water when it is conducting.

[0038] In the embodiment, as Figure 2 shown, the energy to be utilized in the exhaust gas is transported to the gas-liquid separator 14 through the cut-off valve 3. The gas-liquid separator 14 separates the received energy to be utilized, separating out surplus water and waste heat. Among them, the surplus water is liquid and the waste heat is gas. The separated surplus water is received by the water storage device 20. When the functional demand of the driver and passengers is to fetch water, the manual valve 15 is opened to conduct, and the surplus water in the water storage device 20 is output to meet the water fetching demand of the driver and passengers, improve the utilization rate of the exhaust gas, and improve the user's vehicle use experience.

[0039] In some embodiments, such as Figure 2 shown, the surplus water utilization device 23 further includes a liquid level sensor 13, which is arranged in the water storage device 20 and is used to detect the liquid level value in the water storage device 20.

[0040] In an embodiment, such as Figure 2 shown, the liquid level sensor 13 detects the liquid level value of the surplus water in the water storage device 20 in real time to realize the control of the surplus water level.

[0041] In some embodiments, such as Figure 2 shown, the surplus water utilization device 23 further includes an atomizer 16. The atomizer 16 is connected to the second output end of the water storage device 20 and is used to be turned on when receiving an opening signal.

[0042] In an embodiment, such as Figure 2 shown, under the condition that the air-conditioning system is turned on, when the driver and passengers have a functional requirement for humidifying the air in the cab by using the energy utilization device 4, the energy utilization signal received by the energy utilization device 4 will include the opening signal of the atomizer 16. When receiving the opening signal, the atomizer 16 will receive the surplus water in the water storage device 20, atomize the received surplus water, and deliver it to the air-conditioning system to realize the humidification of the air in the cab, improve the utilization rate of the tail gas, and improve the user's vehicle use experience.

[0043] In some embodiments, the surplus water utilization device 23 further includes a drain valve 21. The drain valve 21 is connected to the first output end of the water storage device 20 and is used to conduct when receiving a liquid level value, wherein the received liquid level value exceeds a preset liquid level threshold.

[0044] In an embodiment, such as Figure 2 shown, when the liquid level sensor 13 detects that the liquid level value in the water storage device 20 exceeds the preset liquid level threshold, the drain valve 21 will conduct, and the surplus water exceeding the preset liquid level threshold in the water storage device 20 will be discharged through the drain valve 21. The liquid level of the surplus water in the water storage device 20 is controlled within a safe preset liquid level threshold through the drain valve 21 to prevent the surplus water in the water storage device 20 from overflowing and causing safety problems.

[0045] In some embodiments, such as Figure 2 shown, the waste heat utilization device 22 includes a three-way valve 11 and a heat exchanger 12. The first end of the three-way valve 11 is connected to the second output end of the gas-liquid separator 14, the heat exchanger 12 is connected to the second end of the three-way valve 11, and the three-way valve 11 is used to form a bypass branch with the tail gas exhaust pipeline 2, the stop valve 3 and the gas-liquid separator 14; the heat exchanger 12 is used to form a heat exchange branch with the tail gas exhaust pipeline 2, the stop valve 3, the gas-liquid separator 14 and the three-way valve 11.

[0046] In an embodiment, such as Figure 2As shown, the three-way valve 11 forms a bypass branch with the tail exhaust pipeline 2, the stop valve 3 and the gas-liquid separator 14. When the function requirements corresponding to the energy utilization device 4 used by the driver and passenger do not include heating the vehicle seat, the three-way valve 11 will be controlled to directly transport the waste heat separated by the gas-liquid separator 14 out of the source utilization device 4 through the bypass branch, without passing through the heat exchanger 12, that is, the bypass branch is opened and the heat exchange branch is closed; when the function requirements corresponding to the energy utilization device 4 used by the driver and passenger include heating the vehicle seat, the three-way valve 11 will be controlled to transport the waste heat separated by the gas-liquid separator 14 through the heat exchange branch and pass through the heat exchanger 12, that is, the heat exchange branch is opened and the bypass branch is closed, so as to realize heating of the vehicle seat; through the control of the three-way valve 11, the waste heat takes different branches to meet different requirements of the driver and passenger, making the vehicle use experience of the user more flexible and convenient.

[0047] In some embodiments, as Figure 2 shown, the waste heat utilization device 22 further includes a temperature sensor 24, and the temperature sensor 24 is arranged on the heat exchanger 12 for detecting the temperature value of the heat exchanger.

[0048] In an embodiment, as Figure 2 shown, the temperature sensor 24 is arranged on the heat exchanger 12. When the function requirements corresponding to the energy utilization device 4 used by the driver and passenger include heating the vehicle seat, the heat exchange branch is conducted and the bypass branch is closed, and the vehicle seat is heated through the heat exchanger 12. The temperature sensor 24 detects the temperature of the heat exchanger 12 in real time. When the detected temperature exceeds the preset temperature of the heat exchanger, the three-way valve 11 will be controlled to close the heat branch and open the bypass branch to stop heating the vehicle seat. By detecting the temperature of the heat exchanger 12 through the temperature sensor 24, the temperature control of the vehicle seat heating is realized, preventing the seat heating temperature from being too high and causing safety problems.

[0049] In some embodiments, the vehicle 100 includes an exhaust gas utilization system 1, as Figure 2 shown, the vehicle 100 further includes a throttle valve 18, and the throttle valve 18 is arranged on the tail exhaust pipeline and is used to conduct to a preset opening when receiving an energy utilization signal, or conduct to full opening when receiving a driving signal.

[0050] In an embodiment, as Figure 2As shown, when the driver or passenger uses the function requirements corresponding to the energy utilization device 4, the controller can be controlled to output an energy utilization signal corresponding to the function requirements. According to the energy utilization signal, the throttle valve 18 is controlled to conduct to a preset opening degree. Or, when the driver or passenger does not use the function requirements corresponding to the energy utilization device 4, the controller is controlled to output a driving signal, enter the normal driving mode, control the throttle valve 18 to conduct to the fully open state, and the cut-off valve 3 is closed, and all the exhaust gas is discharged from the tailpipe muffler 17. By controlling the throttle valve, the user can flexibly select the functions in the exhaust gas utilization system, improving the user's driving experience.

[0051] In some embodiments, the vehicle 100 includes an exhaust gas utilization system 1, such as Figure 2 shown, the vehicle 100 further includes a tailpipe muffler 17, and the tailpipe muffler 17 is connected to the output end of the tailpipe 2 for outputting the energy to be utilized.

[0052] In an embodiment, as Figure 2 shown, the energy to be utilized and other non - utilizable energy in the exhaust gas are discharged through the throttle valve 18 and the tailpipe muffler 17.

[0053] The above - mentioned vehicle 100 is, for example, a fuel cell vehicle.

[0054] In addition, as Figure 4 shown, it is a working flow chart of the exhaust gas utilization system according to a specific embodiment of the present invention. The working process of the exhaust gas utilization system 1 of the present invention during operation at least includes step S80 - step S100.

[0055] Step S80, determine whether an energy utilization signal is received. If so, execute step S83; otherwise, execute step S81.

[0056] Step S81, enter the normal driving mode.

[0057] Step S82, the throttle valve is fully open, the cut - off valve is closed, and all the exhaust gas is discharged from the tailpipe muffler.

[0058] Step S83, control the energy utilization device.

[0059] Step S84, the throttle valve conducts to a preset opening degree, and the cut - off valve opens.

[0060] Step S85, use the waste heat utilization device.

[0061] Step S86, use the waste water utilization device.

[0062] Step S87, select whether seat heating is required. If so, execute step S89; otherwise, execute step S88.

[0063] Step S88: The three-way valve opens the bypass branch and closes the heat exchange branch.

[0064] Step S89: The three-way valve opens the heat exchange branch and closes the bypass branch.

[0065] Step S90: The temperature sensor detects whether the temperature of the heat exchanger exceeds the preset temperature. If so, execute Step S92; otherwise, execute Step S91.

[0066] Step S91: Continue to heat the seat.

[0067] Step S92: The three-way valve opens the bypass branch and closes the heat exchange branch.

[0068] Step S93: Liquid level protection.

[0069] Step S94: The liquid level sensor detects whether the liquid level value in the water storage device exceeds the preset liquid level threshold. If so, execute Step S96; otherwise, execute Step S95.

[0070] Step S95: Continue to store the remaining water.

[0071] Step S96: The drain valve conducts drainage.

[0072] Step S97: Whether to turn on the cab humidification. If so, execute Step S99; otherwise, execute Step S98.

[0073] Step S98: Do not turn on the atomizer.

[0074] Step S99: Turn on the atomizer, and the atomized water enters the air conditioning system to achieve humidification of the air in the cab.

[0075] Step S100: Open the hand valve to directly draw water.

[0076] For the vehicle 100 according to the embodiment of the present invention, after the tail exhaust pipe outputs the engine exhaust gas and the cut-off valve is conducted, the energy utilization device receives and outputs the energy to be utilized in the exhaust gas. Since the energy utilization device is arranged in the cab, when the energy to be utilized such as the remaining water needs to be utilized, it is more convenient to draw water, thereby improving the utilization rate of the engine exhaust gas, making the exhaust gas emission more energy-saving and environmentally friendly, and improving the user's vehicle use experience.

[0077] For the vehicle 100 according to the embodiment of the present invention, after the tail exhaust pipe outputs the engine exhaust gas and the cut-off valve is conducted, the energy utilization device receives and outputs the energy to be utilized in the exhaust gas. Since the energy utilization device is arranged in the cab, when the energy to be utilized such as the remaining water needs to be utilized, it is more convenient to draw water, thereby improving the utilization rate of the engine exhaust gas, making the exhaust gas emission more energy-saving and environmentally friendly, and improving the user's vehicle use experience.

[0078] In the description of this specification, the descriptions referring to terms such as "one embodiment", "some embodiments", "schematic embodiments", "examples", "specific examples", or "some examples", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example.

[0079] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model, and the scope of the present utility model is defined by the claims and their equivalents.

Claims

1. A vehicle, characterized in that: include: Tail exhaust pipe, used to output the exhaust gas of the engine; A stop valve, one end of which is connected to the output end of the tail exhaust pipeline and is used to open or close the tail exhaust pipeline; The energy utilization device is arranged in the cab and connected to the other end of the stop valve, and is used to turn on or off the corresponding device when receiving the energy utilization signal to receive and output the energy to be utilized in the exhaust gas.

2. The vehicle according to claim 1, characterized in that The vehicle comprises: A surplus water utilization device, disposed in the cab and connected to the other end of the stop valve, for outputting surplus water in the energy to be utilized; The waste heat utilization device is arranged in the cab and connected to the other end of the stop valve, and is used to output the waste heat in the energy to be utilized to heat the vehicle seats when a heating demand is received.

3. The vehicle according to claim 2, characterized in that The surplus water utilization device comprises: A gas-liquid separator, the input end of which is connected to the other end of the stop valve, for receiving the energy to be utilized when the stop valve is opened, and separating the residual water and residual heat in the energy to be utilized; A water storage device, the input end of which is connected to the first output end of the gas-liquid separator and is used to receive the residual water; A hand valve is connected to the first output end of the water storage device and is used to output the remaining water when it is turned on.

4. The vehicle according to claim 3, characterized in that The surplus water utilization device also includes: The liquid level sensor is arranged in the water storage device and is used to detect the liquid level value in the water storage device.

5. The vehicle according to claim 3, characterized in that The surplus water utilization device also includes: The atomizer is connected to the second output end of the water storage device and is used to start when receiving a start signal.

6. The vehicle according to claim 3, characterized in that The surplus water utilization device also includes: A drain valve is connected to the first output end of the water storage device and is used to be turned on when a liquid level value is received, wherein the received liquid level value exceeds a preset liquid level threshold.

7. The vehicle according to claim 3, characterized in that The waste heat utilization device comprises: A three-way valve, a first end of which is connected to the second output end of the gas-liquid separator, and is used to form a bypass branch with the tail exhaust pipeline, the stop valve and the gas-liquid separator; A heat exchanger is connected to the second end of the three-way valve and is used to form a heat exchange branch with the tail exhaust pipeline, the stop valve, the gas-liquid separator and the three-way valve.

8. The vehicle according to claim 7, characterized in that The waste heat utilization device also includes: The temperature sensor is arranged on the heat exchanger and is used to detect the temperature value of the heat exchanger.

9. The vehicle according to claim 1, characterized in that The vehicle further comprises: The throttle is arranged on the tail exhaust pipe, and is used to be opened to a preset opening when receiving the energy utilization signal, or to be opened to full opening when receiving the driving signal.

10. The vehicle according to claim 1, characterized in that The vehicle further comprises: The tail exhaust silencer is connected to the output end of the tail exhaust pipeline and is used to output the energy to be utilized.

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