Vaporization mechanism and fuel supply and temperature control system for cryogenic liquid in vehicle-mounted cryogenic storage tank

Abstract

The invention discloses a vaporization mechanism and a fuel supply and temperature control system for cryogenic liquid in a vehicle-mounted cryogenic storage tank, the vaporization mechanism comprises a vaporizer and a liquid phase output pipeline communicated with a liquid phase in the cryogenic storage tank, the liquid phase output pipeline is connected with the vaporizer, and the vaporizer is connected with a vaporization output pipeline; two groups of heat exchange pipes are arranged in the vaporizer, the input end of each group of heat exchange pipes is communicated with the liquid phase output pipe, the number of the vaporization output pipelines is two, and the two groups of heat exchange pipes are respectively communicated with the two vaporization output pipelines; one vaporization output pipeline is used for conveying a vaporized substance obtained after the cryogenic liquid is vaporized to the engine; the other vaporization output pipeline is communicated with a gas phase in the cryogenic storage tank, or is communicated with a liquid phase in the cryogenic storage tank, or is communicated with both the gas phase and the liquid phase in the cryogenic storage tank, and a pump is arranged on the vaporization output pipeline. The system has the advantages that the pipeline structure is simplified, and the energy consumption, the manufacturing cost and the use cost are greatly reduced.

Description

Technical Field

[0001] The invention relates to the technical field of a vehicle-mounted cryogenic liquid vaporization system. Background Art

[0002] The cryogenic liquid in the vehicle cryogenic tank needs to be vaporized for use by the engine. In order to avoid excessive evaporation of the cryogenic liquid and ensure the safety and stability of the vehicle cryogenic tank during the operation of the car, the gas phase in the vehicle cryogenic tank usually needs to maintain a certain pressure, and the gas phase and liquid phase need to be maintained at a saturated vapor pressure state to ensure the stability of the cryogenic liquid in the cryogenic tank.

[0003] At present, the vaporization system of cryogenic liquid in the cryogenic tank mainly includes: a vaporizer, a liquid phase output pipe connected to the liquid phase in the cryogenic tank, the liquid phase output pipe is connected to the vaporizer, and the cryogenic liquid in the cryogenic tank enters the vaporizer and is heated and vaporized before being used by the engine. At the same time, in order to achieve gas phase supercharging, a part of the vaporized product heated and vaporized in the vaporizer will be sent to the gas phase on the cryogenic tank.

[0004] In addition, in order to maintain the gas phase and liquid phase in the cryogenic storage tank at a saturated vapor pressure state, a saturation mechanism is also provided on the cryogenic storage tank, and the saturation mechanism includes: a saturated liquid phase output pipe and a saturated reflux pipe connected to the liquid phase of the cryogenic storage tank, the saturated liquid phase output pipe and the saturated reflux pipe are both connected to the saturation heat exchanger, the cryogenic liquid in the cryogenic storage tank enters the saturation heat exchanger through the saturated liquid phase output pipe, and the vaporized product heated and heated in the saturated heat exchanger flows back to the liquid phase in the cryogenic storage tank through the saturated reflux pipe.

[0005] At present, the defects of the on-board cryogenic liquid vaporization system are: there are many pipelines on the on-board cryogenic storage tank, the structure is relatively complex, and the production cost is high; the cold energy generated by the cryogenic liquid vaporization process is not fully utilized. Summary of the invention

[0006] The technical problem to be solved by the present invention is: to provide a vaporization mechanism, fuel supply and temperature control system for cryogenic liquid in a vehicle-mounted cryogenic storage tank, whose pipelines are effectively simplified, the structure is compact, the production cost is effectively reduced, and the cold energy generated by the vaporization process of the cryogenic liquid is fully utilized.

[0007] To solve the above problems, the technical solution adopted by the present invention is: a vaporization mechanism for cryogenic liquid in a vehicle-mounted cryogenic storage tank, comprising: a vaporizer, a liquid phase output pipeline with a liquid output control valve connected to the liquid phase in the cryogenic storage tank, the liquid phase output pipeline is connected to the vaporizer, the vaporizer is connected to a vaporization output pipeline, and the cryogenic liquid in the cryogenic storage tank is vaporized in the vaporizer and output through the vaporization output pipeline; two groups of heat exchange tubes are arranged in the vaporizer, the input end of each group of heat exchange tubes is connected to the liquid phase output pipe, the vaporization output pipeline includes two paths, and the output ends of the two groups of heat exchange tubes are respectively connected to the two vaporization output pipelines; One of the vaporization output pipelines delivers vaporized product of the cryogenic liquid to the engine; Another vaporization output pipeline is communicated with the gas phase in the cryogenic storage tank, or is communicated with the liquid phase in the cryogenic storage tank, or is communicated with both the gas phase and the liquid phase in the cryogenic storage tank, and a pump is arranged on the vaporization output pipeline.

[0008] Furthermore, in the aforementioned vehicle-mounted cryogenic liquid vaporization mechanism in the cryogenic storage tank, one end of the vaporizer shell is provided with a shell cryogenic liquid phase inlet, and the other end of the vaporizer shell is provided with two shell vaporization outlets, the liquid phase output pipeline is connected to the shell cryogenic liquid phase inlet, and the input ends of the two groups of heat exchange tubes are connected to the liquid phase output pipes through the shell cryogenic liquid phase inlet; the output ends of the two groups of heat exchange tubes are respectively connected to the two shell vaporization outlets, and the two shell vaporization outlets are respectively connected to the two vaporization output pipelines.

[0009] Furthermore, in the aforementioned vaporization mechanism for cryogenic liquid in the vehicle-mounted cryogenic storage tank, a pump input temperature sensor is provided on the vaporization output pipeline on the input end side of the pump.

[0010] Furthermore, in the aforementioned vaporization mechanism for cryogenic liquid in the vehicle-mounted cryogenic storage tank, a liquid phase temperature sensor for monitoring the liquid phase temperature in the cryogenic storage tank is provided on the liquid phase output pipeline.

[0011] Furthermore, in the aforementioned vaporization mechanism for cryogenic liquid in the vehicle-mounted cryogenic storage tank, if another vaporization output pipeline is connected to the gas phase in the cryogenic storage tank, a gas phase control valve is provided on the vaporization output pipeline; if another vaporization output pipeline is connected to the liquid phase in the cryogenic storage tank, a liquid phase control valve is provided on the vaporization output pipeline; if one of the vaporization output pipelines is connected to both the gas phase and the liquid phase in the cryogenic storage tank, then the vaporization output pipeline is divided into two after the output end of the pump, one being a gas phase reflux pipeline and the other being a liquid phase reflux pipeline, the gas phase reflux pipeline is connected to the gas phase in the cryogenic storage tank, the liquid phase reflux pipeline is connected to the liquid phase in the cryogenic storage tank, a gas phase control valve is provided on the gas phase reflux pipeline, and a liquid phase control valve is provided on the liquid phase reflux pipeline.

[0012] Furthermore, in the aforementioned vaporization mechanism for the cryogenic liquid in the vehicle-mounted cryogenic storage tank, if another vaporization output pipeline is connected to the gas phase in the cryogenic storage tank, a pressure sensor for monitoring the gas phase pressure in the cryogenic storage tank is also provided on the vaporization output pipeline; if another vaporization output pipeline is connected to both the gas phase and the liquid phase in the cryogenic storage tank, a pressure sensor for monitoring the gas phase pressure in the cryogenic storage tank is also provided on the gas phase return pipeline.

[0013] Furthermore, in the aforementioned vehicle-mounted cryogenic liquid vaporization mechanism in the cryogenic storage tank, another vaporization output pipeline is connected to both the gas phase and the liquid phase in the cryogenic storage tank, and the gas phase return pipeline, the liquid phase return pipeline and the vaporization output pipeline are connected by a three-position three-way solenoid valve.

[0014] Furthermore, the aforementioned vaporization mechanism of the cryogenic liquid in the vehicle-mounted cryogenic storage tank, wherein, if another vaporization output pipeline is connected to both the gas phase and the liquid phase in the cryogenic storage tank, a gas phase reflux pipeline vaporizer is also provided on the gas phase reflux pipeline, and a control valve assembly is provided between the gas phase reflux pipeline, the liquid phase reflux pipeline and the vaporization output pipeline, and the control valve assembly can realize switching control of three connection states: the vaporization output pipeline is connected to the gas phase reflux pipeline, the vaporization output pipeline is connected to the liquid phase reflux pipeline, and the liquid phase reflux pipeline is connected to the gas phase reflux pipeline.

[0015] Furthermore, in the aforementioned vaporization mechanism for cryogenic liquid in the vehicle-mounted cryogenic storage tank, a pressure sensor for monitoring the gas phase pressure in the cryogenic storage tank is also provided on the gas phase return pipeline.

[0016] Furthermore, in the aforementioned vaporization mechanism for cryogenic liquid in the vehicle-mounted cryogenic storage tank, the vaporizer in the gas phase reflux pipeline is an air-temperature vaporizer.

[0017] Furthermore, in the aforementioned vaporization mechanism of the cryogenic liquid in the vehicle-mounted cryogenic storage tank, the position where the liquid phase reflux pipeline is connected to the cryogenic storage tank ensures that: when the liquid phase reflux pipeline is connected to the gas phase reflux pipeline, the pressure difference between the liquid phase reflux pipeline and the gas phase reflux pipeline can enable the cryogenic liquid in the cryogenic storage tank to enter the gas phase reflux pipeline vaporizer through the liquid phase reflux pipeline for vaporization, and the generated vaporized product flows into the cryogenic storage tank through the gas phase reflux pipeline.

[0018] Furthermore, in the aforementioned vaporization mechanism of the cryogenic liquid in the vehicle-mounted cryogenic storage tank, another vaporization output pipeline is connected to both the gas phase and the liquid phase in the cryogenic storage tank, a bypass vaporization pipeline with a bypass control valve is connected between the gas phase return pipeline and the liquid phase return pipeline, and a bypass vaporizer is arranged on the bypass vaporization pipeline. A pressure sensor for monitoring the gas phase pressure in the cryogenic storage tank is also arranged on the gas phase return pipeline. The bypass vaporizer is an air temperature type vaporizer.

[0019] Furthermore, in the aforementioned vaporization mechanism for cryogenic liquid in the vehicle-mounted cryogenic storage tank, the position where the liquid phase reflux pipeline is connected to the cryogenic storage tank ensures that: the pressure difference between the liquid phase reflux pipeline and the gas phase reflux pipeline can enable the liquid phase in the cryogenic storage tank to enter the bypass vaporizer through the bypass vaporization pipeline for vaporization, and the generated vaporized product enters the cryogenic storage tank through the gas phase reflux pipeline.

[0020] Furthermore, in the aforementioned vaporization mechanism of the cryogenic liquid in the on-vehicle cryogenic storage tank, an engine coolant inlet and an engine coolant outlet are provided on the carburetor shell, both of which are connected to the interior of the carburetor shell, and the engine coolant inlet and the engine coolant outlet are respectively used to connect to the engine coolant input pipe and the engine coolant output pipe, the engine coolant inlet is provided on the carburetor shell on the input end side of the heat exchange tube, and the engine coolant outlet is provided on the carburetor shell on the output end side of the heat exchange tube; the engine coolant heated in the engine enters into the carburetor shell through the engine coolant inlet on the carburetor shell to be cooled, and the cooled engine coolant is then output through the engine coolant outlet.

[0021] Furthermore, the aforementioned vaporization mechanism of the cryogenic liquid in the on-board cryogenic storage tank, wherein a temperature control medium inlet and a temperature control medium outlet are provided on the shell of the vaporizer, both of which are connected to the interior of the shell of the vaporizer, and the temperature control medium inlet and the temperature control medium outlet are respectively used to connect with the temperature control medium output pipeline and the temperature control medium input pipeline in the on-board temperature control system, the temperature control medium inlet is arranged on the shell of the vaporizer on the side of the input end of the heat exchange tube, and the temperature control medium outlet is arranged on the shell of the vaporizer on the side of the output end of the heat exchange tube; the temperature control medium used for adjusting the temperature in the on-board temperature control system enters the interior of the shell of the vaporizer through the temperature control medium inlet on the vaporizer, exchanges heat with the cryogenic liquid in the heat exchange tube in the vaporizer, and then is output from the temperature control medium outlet on the vaporizer for temperature adjustment of the on-board temperature control system.

[0022] Furthermore, the aforementioned vaporization mechanism of the cryogenic liquid in the on-board cryogenic storage tank, wherein, in addition to the engine coolant inlet and the engine coolant outlet, the shell of the vaporizer is also provided with a temperature control medium inlet and a temperature control medium outlet, both of which are connected to the interior of the shell of the vaporizer, and the temperature control medium inlet and the temperature control medium outlet are respectively used to connect with the temperature control medium output pipeline and the temperature control medium input pipeline in the on-board temperature control system, the temperature control medium inlet is arranged on the shell of the vaporizer on the input end side of the heat exchange tube, and the temperature control medium outlet is arranged on the shell of the vaporizer on the output end side of the heat exchange tube; the temperature control medium used for adjusting the temperature in the on-board temperature control system enters the interior of the shell of the vaporizer through the temperature control medium inlet on the vaporizer, exchanges heat with the cryogenic liquid in the heat exchange tube in the vaporizer, and then is output from the temperature control medium outlet on the vaporizer for temperature adjustment of the on-board temperature control system.

[0023] A vehicle-mounted cryogenic liquid fuel supply system adopts the above-mentioned vaporization mechanism of the cryogenic liquid in the vehicle-mounted cryogenic storage tank.

[0024] A vehicle-mounted temperature control system adopts the above-mentioned vaporization mechanism of cryogenic liquid in the vehicle-mounted cryogenic storage tank, and the vehicle-mounted temperature control system includes a temperature control medium output pipeline and a temperature control medium input pipeline, the output end of the temperature control medium output pipeline is connected to the temperature control medium inlet on the shell of the vaporizer, and the input end of the temperature control medium input pipeline is connected to the temperature control medium outlet on the shell of the vaporizer; the temperature control medium used for adjusting the temperature in the vehicle-mounted temperature control system enters the interior of the vaporizer shell through the temperature control medium output pipeline and the temperature control medium inlet on the vaporizer, exchanges heat with the cryogenic liquid in the heat exchange tube in the vaporizer, and then flows back from the temperature control medium outlet on the vaporizer and the temperature control medium input pipeline to the vehicle-mounted temperature control system for temperature adjustment.

[0025] Furthermore, in the aforementioned vehicle-mounted temperature control system, a check valve is provided at the output end of the temperature control medium output pipeline to prevent the temperature control medium in the carburetor housing from flowing back into the temperature control medium output pipeline from the temperature control medium inlet.

[0026] Furthermore, the aforementioned vehicle temperature control system, wherein the vehicle temperature control system includes a vehicle air conditioner, a vehicle refrigerator, and a vehicle freezer that completely or partially use a temperature control medium for temperature regulation.

[0027] The advantages of the present invention are as follows: the vaporization mechanism of the cryogenic liquid in the vehicle-mounted cryogenic storage tank and the vehicle-mounted cryogenic liquid fuel supply system have simplified pipeline structures and effectively reduced manufacturing costs; the speed of gas phase pressurization and / or liquid phase saturation can be adjusted, thereby achieving rapid gas phase pressurization and / or rapid liquid phase saturation. In addition, the vaporization of the cryogenic liquid is achieved by using the engine coolant and / or the temperature control medium of the vehicle-mounted temperature control system, which greatly reduces the cost and energy consumption of the vaporization of the cryogenic liquid.

[0028] The vehicle-mounted temperature control system makes full use of the heat energy of the engine coolant whose temperature rises after cooling the automobile engine and / or the cold energy of the deep-cold liquid vaporization process, thereby effectively saving energy consumption, avoiding the waste of heat energy and / or cold energy, effectively reducing energy consumption, and greatly reducing the use cost of the vehicle-mounted temperature control system. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 The present invention is a schematic diagram of the principle structure of a vaporization mechanism for cryogenic liquid in a vehicle-mounted cryogenic storage tank, in which one vaporization output pipeline is connected to the gas phase in the cryogenic storage tank.

[0030] Figure 2 The present invention is a schematic diagram of the principle structure of a vaporization mechanism for cryogenic liquid in a vehicle-mounted cryogenic storage tank, in which one vaporization output pipeline is connected to the liquid in the cryogenic storage tank.

[0031] Figure 3 The present invention is a schematic diagram of the principle structure of a vaporization mechanism for cryogenic liquid in a vehicle-mounted cryogenic storage tank, in which one vaporization output pipeline is connected to both the gas phase and the liquid phase in the cryogenic storage tank.

[0032] Figure 4 It is a vaporization mechanism for cryogenic liquid in a vehicle-mounted cryogenic tank, wherein one vaporization output pipeline is connected to both the gas phase and the liquid phase in the cryogenic tank, and the gas phase reflux pipeline, the liquid phase reflux pipeline and the vaporization output pipeline can be switched between three connection states.

[0033] Figure 5 It is a vaporization mechanism for cryogenic liquid in a vehicle-mounted cryogenic storage tank, wherein one vaporization output pipeline is connected to both the gas phase and the liquid phase in the cryogenic storage tank, and a bypass vaporization pipeline with a bypass control valve is connected between the gas phase return pipeline and the liquid phase return pipeline. DETAILED DESCRIPTION

[0034] The present invention will be further described in detail below in conjunction with the accompanying drawings and preferred embodiments.

[0035] Example 1: Figure 1 As shown, the vaporization mechanism of the cryogenic liquid in the vehicle-mounted cryogenic storage tank includes: a vaporizer 1, a liquid phase output pipeline 3 with a liquid output control valve 31 communicating with the liquid in the cryogenic storage tank 2, the liquid phase output pipeline 3 is connected to the vaporizer 1, and the vaporizer 1 is connected to the vaporizer output pipeline. The cryogenic liquid in the cryogenic storage tank 2 is vaporized in the vaporizer 1 and then output through the vaporization output pipeline.

[0036] The vaporizer 1 is provided with two groups of heat exchange tubes, which are respectively a first group of heat exchange tubes 11 and a second group of heat exchange tubes 12. The input ends of the first group of heat exchange tubes 11 and the second group of heat exchange tubes 12 are both connected to the liquid phase output pipeline 3. The vaporization output pipeline includes two paths, which are respectively a first vaporization output pipeline 4 and a second vaporization output pipeline 5. In this embodiment, the output end of the first group of heat exchange tubes 11 is connected to the first vaporization output pipeline 4, and the output end of the second group of heat exchange tubes 12 is connected to the second vaporization output pipeline 5.

[0037] In order to facilitate pipeline connection, one end of the shell of the vaporizer 1 in this embodiment is provided with a shell deep-cold liquid phase inlet 105, and the other end of the shell of the vaporizer 1 is provided with two shell vaporization outlets, which are respectively the first shell vaporization outlet 106 and the second shell vaporization outlet 107. The liquid phase output pipeline 3 is connected to the shell deep-cold liquid phase inlet 105, and the input ends of the two groups of heat exchange tubes are connected to the liquid phase output pipeline 3 through the shell deep-cold liquid phase inlet 105. The output ends of the two groups of heat exchange tubes are respectively connected to the two shell vaporization outlets, and the two shell vaporization outlets are respectively connected to the two vaporization output pipelines, specifically, the output end of the first group of heat exchange tubes 11 is connected to the first shell vaporization outlet 106, and the first shell vaporization outlet 106 is connected to the first vaporization output pipeline 4; the output end of the second group of heat exchange tubes 12 is connected to the second shell vaporization outlet 107, and the second shell vaporization outlet 107 is connected to the second vaporization output pipeline 5.

[0038] In this embodiment, the first vaporization output pipeline 4 outputs the vaporized product after the cryogenic liquid is vaporized for use by the engine.

[0039] The second vaporization output pipeline 5 is in communication with the gas phase in the cryogenic storage tank 2, and a pump 6 is provided on the second vaporization output pipeline 5, and a gas phase control valve 51 is provided on the second vaporization output pipeline 5. In this embodiment, in order to facilitate monitoring of the gas phase pressure in the cryogenic storage tank 2 and to facilitate automatic control, a pressure sensor 501 for monitoring the gas phase pressure in the cryogenic storage tank 2 is also provided on the second vaporization output pipeline 5.

[0040] In addition, in order to prevent the medium temperature from being too low to damage the pump 6, in this embodiment, a pump input temperature sensor 601 is provided on the second vaporization output pipeline 5 at the input end side of the pump 6. Once the temperature signal monitored by the pump input temperature sensor 601 shows that the medium temperature is lower than the limit temperature that the pump can withstand, the pump 6 stops working, which can effectively prevent the medium temperature from being too low to damage the pump 6.

[0041] The vaporizer 1 is a type of heat exchanger, and the medium in the shell side performs heat exchange with the medium in the tube side, thereby realizing the vaporization of the cryogenic liquid. The shell of the vaporizer 1 is provided with a shell side medium inlet and a shell side medium outlet. In this embodiment, the medium in the shell side is not limited, and generally any medium that can vaporize the cryogenic liquid in the first group of heat exchange tubes 11 and the second group of heat exchange tubes 12 can be used.

[0042] The working principle is as follows: the liquid outlet control valve 31 is opened, and the cryogenic liquid in the on-board cryogenic storage tank 2 enters the first group of heat exchange tubes 11 in the vaporizer 1 through the liquid phase output pipeline 3 to be heated and vaporized, and the vaporized product is output to the outside through the first group of heat exchange tubes 11 and the first vaporization output pipeline 4 to be used as fuel for the engine.

[0043] When the pressure signal monitored by the pressure sensor 501 shows that the gas phase pressure in the cryogenic storage tank 2 is lower than the set value, it means that the gas phase in the cryogenic storage tank 2 needs to be pressurized. At this time, the gas phase control valve 51 is opened, and the cryogenic liquid in the vehicle-mounted cryogenic storage tank 2 enters the first group of heat exchange tubes 11 in the vaporizer 1 through the liquid phase output pipeline 3, and enters the second group of heat exchange tubes 12 at the same time. After the cryogenic liquid in the second group of heat exchange tubes 12 is heated and vaporized, it enters the gas phase in the cryogenic storage tank 2 under the pumping action of the pump 6, thereby achieving pressurization of the gas phase in the cryogenic storage tank 2. When the pressure signal monitored by the pressure sensor 501 shows that the gas phase pressure in the cryogenic storage tank 2 reaches the set value, the pump stops working and the gas phase control valve 51 is closed. In the process of gas phase pressurization, the gas phase pressurization speed can be adjusted by adjusting the rotation speed of the pump 6. For example, increasing the rotation speed of the pump 6 can greatly shorten the gas phase pressurization time, thereby achieving rapid gas phase pressurization.

[0044] like Figure 1 As shown, a vehicle-mounted cryogenic liquid fuel supply system adopts the above-mentioned structure of the cryogenic liquid vaporization mechanism in the vehicle-mounted cryogenic storage tank. The cryogenic liquid fuel can be liquefied natural gas.

[0045] From the above, it can be seen that: this embodiment provides a vaporization mechanism for cryogenic liquid in a vehicle-mounted cryogenic storage tank and a vehicle-mounted cryogenic liquid fuel supply system. The input ends of the two groups of heat exchange tubes in the vaporizer 1 in the vaporization mechanism and the fuel supply system are connected to a liquid phase output pipeline 3. Compared with the traditional vaporization mechanism, the pipeline structure is simplified and the manufacturing cost is effectively reduced. At the same time, the speed of gas phase pressurization can be adjusted by the speed of the pump 6, which can greatly shorten the time required for gas phase pressurization, thereby realizing rapid gas phase pressurization and effectively improving the pressurization efficiency.

[0046] Example 2: Figure 2As shown, the vaporization mechanism of the cryogenic liquid in the vehicle-mounted cryogenic storage tank includes: a vaporizer 1, a liquid phase output pipeline 3 with a liquid output control valve 31 communicating with the liquid in the cryogenic storage tank 2, the liquid phase output pipeline 3 is connected to the vaporizer 1, and the vaporizer 1 is connected to the vaporizer output pipeline. The cryogenic liquid in the cryogenic storage tank 2 is vaporized in the vaporizer 1 and then output through the vaporization output pipeline.

[0047] The vaporizer 1 is provided with two groups of heat exchange tubes, which are respectively a first group of heat exchange tubes 11 and a second group of heat exchange tubes 12. The input ends of the first group of heat exchange tubes 11 and the second group of heat exchange tubes 12 are both connected to the liquid phase output pipeline 3. The vaporization output pipeline includes two paths, which are respectively a first vaporization output pipeline 4 and a second vaporization output pipeline 5. In this embodiment, the output end of the first group of heat exchange tubes 11 is connected to the first vaporization output pipeline 4, and the output end of the second group of heat exchange tubes 12 is connected to the second vaporization output pipeline 5.

[0048] In order to facilitate pipeline connection, one end of the shell of the vaporizer 1 in this embodiment is provided with a shell deep-cold liquid phase inlet 105, and the other end of the shell of the vaporizer 1 is provided with two shell vaporization outlets, which are respectively the first shell vaporization outlet 106 and the second shell vaporization outlet 107. The liquid phase output pipeline 3 is connected to the shell deep-cold liquid phase inlet 105, and the input ends of the two groups of heat exchange tubes are connected to the liquid phase output pipeline 3 through the shell deep-cold liquid phase inlet 105. The output ends of the two groups of heat exchange tubes are respectively connected to the two shell vaporization outlets, and the two shell vaporization outlets are respectively connected to the two vaporization output pipelines. Specifically, the output end of the first group of heat exchange tubes 11 is connected to the first shell vaporization outlet 106, and the first shell vaporization outlet 106 is connected to the first vaporization output pipeline 4; the output end of the second group of heat exchange tubes 12 is connected to the second shell vaporization outlet 107, and the second shell vaporization outlet 107 is connected to the second vaporization output pipeline 5.

[0049] In this embodiment, the first vaporization output pipeline 4 outputs the vaporized product after the cryogenic liquid is vaporized for use by the engine.

[0050] The second vaporization output pipeline 5 is in communication with the liquid phase in the cryogenic storage tank 2, and a pump 6 is provided on the second vaporization output pipeline 5. A liquid phase reflux control valve 51 is provided on the second vaporization output pipeline 5.

[0051] In this embodiment, in order to better monitor the temperature of the liquid phase in the cryogenic storage tank 2 , a liquid phase temperature sensor 301 for monitoring the temperature of the liquid phase in the cryogenic storage tank 2 is provided on the liquid phase output pipeline 3 .

[0052] In order to prevent the pump 6 from being damaged by low temperature, in this embodiment, a pump input temperature sensor 601 is provided on the second vaporization output pipeline 5 at the input end side of the pump 6. Once the temperature signal monitored by the pump input temperature sensor 601 shows that the medium temperature is lower than the limit temperature that the pump can withstand, the pump 6 stops working, which can effectively prevent the medium temperature from being too low and causing damage to the pump 6.

[0053] Similarly, the vaporizer 1 is a type of heat exchanger, and the medium in the shell side performs heat exchange with the medium in the tube side, thereby realizing the vaporization of the cryogenic liquid. The shell of the vaporizer 1 is provided with a shell side medium inlet and a shell side medium outlet. In this embodiment, the medium in the shell side is not limited, and generally any medium that can vaporize the cryogenic liquid in the first group of heat exchange tubes 11 and the second group of heat exchange tubes 12 can be used.

[0054] The working principle is as follows: the liquid outlet control valve 31 is opened, and the cryogenic liquid in the on-board cryogenic storage tank 2 enters the first group of heat exchange tubes 11 in the vaporizer 1 through the liquid phase output pipeline 3 to be heated and vaporized, and the vaporized product is output to the outside through the first group of heat exchange tubes 11 and the first vaporization output pipeline 4 to be used as fuel for the engine.

[0055] When the liquid phase in the cryogenic storage tank 2 needs to be saturated, the liquid phase reflux control valve 51 is opened, and the cryogenic liquid in the vehicle-mounted cryogenic storage tank 2 enters the first group of heat exchange tubes 11 in the vaporizer 1 and the second group of heat exchange tubes 12 through the liquid phase output pipeline 3. After the cryogenic liquid in the second group of heat exchange tubes 12 is heated and vaporized, it enters the liquid phase in the cryogenic storage tank 2 through the second vaporization output pipeline 5 under the pumping action of the pump 6, thereby achieving saturation of the liquid phase in the cryogenic storage tank 2 until the liquid phase and gas phase in the cryogenic storage tank 2 return to the saturated vapor pressure state. Since a liquid phase temperature sensor 301 for monitoring the temperature of the liquid phase in the cryogenic storage tank 2 is provided on the liquid phase output pipeline 3, once the temperature signal monitored by the liquid phase temperature sensor 301 shows that the temperature of the liquid phase in the cryogenic storage tank 2 exceeds the set range value, saturation should also be stopped to prevent the temperature of the liquid phase in the cryogenic storage tank 2 from being too high and evaporating too quickly, resulting in gas-liquid imbalance. In the above-mentioned saturation process, the saturation speed can also be adjusted by adjusting the rotation speed of the pump 6. For example, the saturation speed can be accelerated by increasing the rotation speed of the pump 6, thereby effectively improving the saturation efficiency.

[0056] like Figure 2 As shown, a vehicle-mounted cryogenic liquid fuel supply system adopts the above-mentioned structure of the cryogenic liquid vaporization mechanism in the vehicle-mounted cryogenic storage tank. The cryogenic liquid fuel can be liquefied natural gas.

[0057] From the above, it can be seen that: this embodiment provides a vaporization mechanism for cryogenic liquid in a vehicle-mounted cryogenic storage tank and a vehicle-mounted cryogenic liquid fuel supply system. The input ends of the two groups of heat exchange tubes in the vaporizer 1 in the vaporization mechanism and the fuel supply system are connected to a liquid phase output pipeline 3. Compared with the traditional vaporization mechanism, the pipeline structure is simplified and the manufacturing cost is effectively reduced. At the same time, the saturation speed can be adjusted by changing the speed of the pump, so that rapid saturation can be achieved, effectively improving the saturation efficiency.

[0058] Example 3: Figure 3 As shown, the vaporization mechanism of the cryogenic liquid in the vehicle-mounted cryogenic storage tank includes: a vaporizer 1, a liquid phase output pipeline 3 with a liquid output control valve 31 communicating with the liquid in the cryogenic storage tank 2, the liquid phase output pipeline 3 is connected to the vaporizer 1, the vaporizer 1 is connected to the vaporization output pipeline, and the cryogenic liquid in the cryogenic storage tank 2 is vaporized in the vaporizer 1 and then output through the vaporization output pipeline. In this embodiment, in order to better monitor the temperature of the liquid phase in the cryogenic storage tank 2, a liquid phase temperature sensor 301 for monitoring the temperature of the liquid phase in the cryogenic storage tank 2 is provided on the liquid phase output pipeline 3.

[0059] The vaporizer 1 is provided with two groups of heat exchange tubes, which are respectively a first group of heat exchange tubes 11 and a second group of heat exchange tubes 12. The input ends of the first group of heat exchange tubes 11 and the second group of heat exchange tubes 12 are both connected to the liquid phase output pipeline 3. The vaporization output pipeline includes two paths, which are respectively a first vaporization output pipeline 4 and a second vaporization output pipeline 5. In this embodiment, the output end of the first group of heat exchange tubes 11 is connected to the first vaporization output pipeline 4, and the output end of the second group of heat exchange tubes 12 is connected to the second vaporization output pipeline 5.

[0060] In this embodiment, one end of the shell of the vaporizer 1 is provided with a shell deep-cold liquid phase inlet 105, and the other end of the shell of the vaporizer 1 is provided with two shell vaporization outlets, which are respectively a first shell vaporization outlet 106 and a second shell vaporization outlet 107. The liquid phase output pipeline 3 is connected to the shell deep-cold liquid phase inlet 105, and the input ends of the two groups of heat exchange tubes are connected to the liquid phase output pipeline 3 through the shell deep-cold liquid phase inlet 105. The output ends of the two groups of heat exchange tubes are respectively connected to the two shell vaporization outlets, and the two shell vaporization outlets are respectively connected to the two vaporization output pipelines, specifically, the output end of the first group of heat exchange tubes 11 is connected to the first shell vaporization outlet 106, and the first shell vaporization outlet 106 is connected to the first vaporization output pipeline 4; the output end of the second group of heat exchange tubes 12 is connected to the second shell vaporization outlet 107, and the second shell vaporization outlet 107 is connected to the second vaporization output pipeline 5.

[0061] In this embodiment, the first vaporization output pipeline 4 outputs the vaporized product after the cryogenic liquid is vaporized for use by the engine.

[0062] In this embodiment, the second vaporization output pipeline 5 is connected to both the gas phase and the liquid phase in the cryogenic storage tank 2, and a pump 6 is provided on the second vaporization output pipeline 5. In order to prevent the pump 6 from being damaged by low temperature, a pump input temperature sensor 601 is provided on the second vaporization output pipeline 5 on the input end side of the pump 6 in this embodiment. Once the temperature signal monitored by the pump input temperature sensor 601 shows that the medium temperature is lower than the limit temperature that the pump can withstand, the pump 6 stops working to avoid damage to the pump 6 due to the medium temperature being too low.

[0063] The second vaporization output pipeline 5 is divided into two paths after the output end of the pump 6, one path is a gas phase reflux pipeline 51, and the other path is a liquid phase reflux pipeline 52. The gas phase reflux pipeline 51 is connected to the gas phase in the cryogenic storage tank 2, and the liquid phase reflux pipeline 52 is connected to the liquid phase in the cryogenic storage tank 2. A gas phase control valve 511 is provided on the gas phase reflux pipeline 51, and a liquid phase reflux control valve 521 is provided on the liquid phase reflux pipeline 52. In this embodiment, in order to facilitate monitoring of the gas phase pressure in the cryogenic storage tank 2 and facilitate automatic control, a pressure sensor 501 for monitoring the gas phase pressure in the cryogenic storage tank 2 is also provided on the gas phase reflux pipeline 51.

[0064] In order to facilitate connection and control, the gas phase reflux pipeline 51 , the liquid phase reflux pipeline 52 and the second vaporization output pipeline 5 are connected via a three-position three-way solenoid valve 7 .

[0065] Similarly, the vaporizer 1 is a type of heat exchanger, and the medium in the shell side performs heat exchange with the medium in the tube side, thereby realizing the vaporization of the cryogenic liquid. The shell of the vaporizer 1 is provided with a shell side medium inlet and a shell side medium outlet. In this embodiment, the medium in the shell side is not limited, and generally any medium that can vaporize the cryogenic liquid in the first group of heat exchange tubes 11 and the second group of heat exchange tubes 12 can be used.

[0066] The working principle is as follows: the liquid outlet control valve 31 is opened, and the cryogenic liquid in the on-board cryogenic storage tank 2 enters the first group of heat exchange tubes 11 in the vaporizer 1 through the liquid phase output pipeline 3 to be heated and vaporized, and the vaporized product is output to the outside through the first group of heat exchange tubes 11 and the first vaporization output pipeline 4 to be used as fuel for the engine.

[0067] When the pressure signal monitored by the pressure sensor 501 shows that the gas phase pressure in the cryogenic storage tank 2 is lower than the set value, it means that the gas phase in the cryogenic storage tank 2 needs to be pressurized. At this time, the gas phase control valve 511 is opened, and the three-position three-way solenoid valve 7 is opened to a state of being connected to the gas phase return pipeline 51. The cryogenic liquid in the vehicle-mounted cryogenic storage tank 2 enters the first group of heat exchange tubes 11 in the vaporizer 1 through the liquid phase output pipeline 3 and enters the second group of heat exchange tubes 12 at the same time. After the cryogenic liquid in the second group of heat exchange tubes 12 is heated and vaporized, it enters the gas phase in the cryogenic storage tank 2 through the gas phase return pipeline 51 under the pumping action of the pump 6, thereby achieving gas phase pressurization in the cryogenic storage tank 2. When the pressure signal monitored by the pressure sensor 501 shows that the gas phase pressure in the cryogenic storage tank 2 reaches the set value, the pump 6 stops working and the gas phase control valve 51 is closed. During the gas phase pressurization process, the gas phase pressurization speed can be adjusted by changing the rotation speed of the pump 6. For example, by increasing the rotation speed of the pump 6, the gas phase pressurization time can be shortened, thereby achieving rapid gas phase pressurization.

[0068] When the liquid phase in the cryogenic storage tank 2 needs to be saturated and pressurized, the liquid phase reflux control valve 521 is opened, and the three-position three-way solenoid valve 7 is opened to the state of communication with the liquid phase reflux pipeline 52. The cryogenic liquid in the vehicle-mounted cryogenic storage tank 2 enters the second group of heat exchange tubes 12 in the vaporizer 1 through the liquid phase output pipeline 3. After the cryogenic liquid in the second group of heat exchange tubes 12 is heated and vaporized, it enters the liquid phase in the cryogenic storage tank 2 through the liquid phase reflux pipeline 52 under the pumping action of the pump 6, thereby achieving saturation of the liquid phase in the cryogenic storage tank 2 until the liquid phase and gas phase in the cryogenic storage tank 2 return to the saturated vapor pressure state. Since a liquid phase temperature sensor 301 for monitoring the temperature of the liquid phase in the cryogenic storage tank 2 is provided on the liquid phase output pipeline 3, once the temperature signal monitored by the liquid phase temperature sensor 301 shows that the temperature of the liquid phase in the cryogenic storage tank 2 exceeds the set range value, the saturation should also be stopped to prevent the temperature of the liquid phase in the cryogenic storage tank 2 from being too high and evaporating too quickly, resulting in gas-liquid imbalance. Similarly, changing the rotation speed of the pump 6 can achieve the adjustment of the saturation speed. Increasing the rotation speed of the pump greatly speeds up the saturation speed, thereby greatly improving the saturation efficiency.

[0069] like Figure 3 As shown, a vehicle-mounted cryogenic liquid fuel supply system adopts the above-mentioned structure of the cryogenic liquid vaporization mechanism in the vehicle-mounted cryogenic storage tank. The cryogenic liquid fuel can be liquefied natural gas.

[0070] From the above, it can be seen that: this embodiment provides a vaporization mechanism for cryogenic liquid in a vehicle-mounted cryogenic storage tank and a vehicle-mounted cryogenic liquid fuel supply system. The input ends of the two groups of heat exchange tubes in the vaporizer 1 in the vaporization mechanism and the fuel supply system are connected to a liquid phase output pipeline 3. Compared with the traditional vaporization mechanism, the pipeline structure is simplified and the manufacturing cost is effectively reduced. In addition, the vaporization mechanism for cryogenic liquid in a vehicle-mounted cryogenic storage tank and a vehicle-mounted cryogenic liquid fuel supply system described in this embodiment integrate gas phase pressurization and liquid phase saturation, which further simplifies the pipeline structure of the entire vaporization mechanism and the fuel supply system. At the same time, the speed of gas phase pressurization and liquid phase saturation can be adjusted by changing the speed of the pump, which can greatly shorten the gas phase pressurization time or the liquid phase saturation time, effectively improve the efficiency of gas phase pressurization and liquid phase saturation, and achieve rapid gas phase pressurization and rapid liquid phase saturation.

[0071] Example 4: Figure 4 As shown, the present embodiment is different from the embodiment 3 in that: a control valve assembly is provided between the gas phase reflux pipeline 51, the liquid phase reflux pipeline 52 and the second vaporization output pipeline 5, and the control valve assembly can realize the switching control of three connection states: the second vaporization output pipeline 5 is connected with the gas phase reflux pipeline 51, the second vaporization output pipeline 5 is connected with the liquid phase reflux pipeline 52, and the liquid phase reflux pipeline 52 is connected with the gas phase reflux pipeline 51. A gas phase reflux pipeline vaporizer 512 is also provided on the gas phase reflux pipeline 51, and the gas phase reflux pipeline vaporizer 512 in the present embodiment is an air temperature type vaporizer.

[0072] The control valve assembly can be in various forms, as long as the second vaporization output pipeline 5, the gas phase return pipeline 51 and the liquid phase return pipeline 52 can have the above three connection modes. For example, the gas phase return pipeline 51, the liquid phase return pipeline 52 and the second vaporization output pipeline 5 are connected, and switch control valves for controlling the on-off are respectively set at the pipe ends of the gas phase return pipeline 51, the liquid phase return pipeline 52 and the second vaporization output pipeline 5 where the three are connected, that is, three independent switch control valves are used for on-off control to realize the control and switching of the above three connection states.

[0073] In order to save costs and simplify pipelines in this embodiment, the control valve assembly includes a valve block 71. The gas phase reflux pipeline 51, the liquid phase reflux pipeline 52 and the second vaporization output pipeline 5 are all connected to the valve block 71. The valve block 71 can perform switching control of three connection states. The three connection states include: the second vaporization output pipeline 5 is connected to the gas phase reflux pipeline 51, the second vaporization output pipeline 5 is connected to the liquid phase reflux pipeline 52, and the liquid phase reflux pipeline 52 is connected to the gas phase reflux pipeline 51. In order to save energy, in this embodiment, the position where the liquid phase reflux pipeline 52 is connected to the cryogenic storage tank liquid 2 ensures that: when the liquid phase reflux pipeline 52 is connected to the gas phase reflux pipeline 51, the pressure difference between the liquid phase reflux pipeline 52 and the gas phase reflux pipeline 51 can make the cryogenic liquid in the cryogenic storage tank 2 enter the gas phase reflux pipeline vaporizer 512 through the liquid phase reflux pipeline 52 to be vaporized, and the generated vaporized product flows into the cryogenic storage tank 2 through the gas phase reflux pipeline 51. During the equipment production process, the liquid phase reflux pipeline 52 is connected to the cryogenic storage tank 2 as low as possible, so that there can be enough pressure difference even when the liquid level drops a lot. The valve block 71 can adopt a four-position three-way solenoid valve.

[0074] The working principle is as follows: when the automobile engine is working, the liquid outlet control valve 31 is opened, and the cryogenic liquid in the on-board cryogenic storage tank 2 enters the first group of heat exchange tubes 11 in the vaporizer 1 through the liquid phase output pipeline 3 to be heated and vaporized, and the vaporized product is output to the outside through the first group of heat exchange tubes 11 and the first vaporization output pipeline 4 to be used as fuel for the engine.

[0075] When the pressure signal monitored by the pressure sensor 501 shows that the gas phase pressure in the cryogenic storage tank 2 is lower than the set value, it means that the gas phase in the cryogenic storage tank 2 needs to be pressurized. At this time, the gas phase control valve 511 is opened, and the valve block 71 is switched to a state where the second vaporization output pipeline 5 is connected to the gas phase return pipeline 51. The cryogenic liquid in the vehicle-mounted cryogenic storage tank 2 enters the first group of heat exchange tubes 11 in the vaporizer 1 through the liquid phase output pipeline 3 and enters the second group of heat exchange tubes 12 at the same time. After the cryogenic liquid in the second group of heat exchange tubes 12 is heated and vaporized, it enters the gas phase return pipeline vaporizer 512 through the gas phase return pipeline 51 under the pumping action of the pump 6 for further vaporization. The vaporized product generated in the gas phase return pipeline vaporizer 512 enters the gas phase in the cryogenic storage tank 2, thereby realizing the gas phase pressurization in the cryogenic storage tank 2.

[0076] During the gas phase pressurization process, the gas phase pressurization speed can be adjusted by changing the rotation speed of the pump 6. For example, by increasing the rotation speed of the pump 6, the gas phase pressurization time can be shortened, thereby achieving rapid gas phase pressurization.

[0077] When the liquid phase in the cryogenic storage tank 2 needs to be saturated and pressurized, the liquid phase reflux control valve 521 is opened, and the valve block 71 is switched to a state where the second vaporization output pipeline 5 is connected to the liquid phase reflux pipeline 52. The cryogenic liquid in the vehicle-mounted cryogenic storage tank 2 enters the second group of heat exchange tubes 12 in the vaporizer 1 through the liquid phase output pipeline 3. After the cryogenic liquid in the second group of heat exchange tubes 12 is heated and vaporized, it enters the liquid phase in the cryogenic storage tank 2 through the liquid phase reflux pipeline 52 under the pumping action of the pump 6, thereby achieving saturation of the liquid phase in the cryogenic storage tank 2 until the liquid phase and gas phase in the cryogenic storage tank 2 return to the saturated vapor pressure state. Since the liquid phase output pipeline 3 is provided with a liquid phase temperature sensor 301 for monitoring the liquid phase temperature in the cryogenic storage tank 2, once the temperature signal monitored by the liquid phase temperature sensor 301 shows that the liquid phase temperature in the cryogenic storage tank 2 exceeds the set range value, the saturation should also be stopped to prevent the liquid phase temperature in the cryogenic storage tank 2 from being too high and evaporating too quickly, resulting in gas-liquid imbalance. Similarly, changing the speed of the pump 6 can achieve the adjustment of the saturation speed. Increasing the speed of the pump greatly speeds up the saturation speed, thereby greatly improving the saturation efficiency.

[0078] When the automobile engine is in a stopped state, if the pressure signal monitored by the pressure sensor 501 shows that the gas phase pressure in the cryogenic storage tank 2 is lower than the set value, it means that the gas phase in the cryogenic storage tank 2 needs to be pressurized. At this time, the gas phase control valve 511 on the gas phase return line 51 and the liquid phase reflux control valve 521 on the liquid phase return line 52 are opened, and the valve block 71 is switched to a state where the liquid phase return line 52 is connected to the gas phase return line 51. At this time, the cryogenic liquid in the cryogenic storage tank 2 can pass through the liquid phase return line 52 and the gas phase return line 51, enter the gas phase return line vaporizer 512 for vaporization, and the vaporized product produced in the gas phase return line vaporizer 512 enters the gas phase in the cryogenic storage tank 2, thereby realizing gas phase pressurization of the cryogenic storage tank 2.

[0079] like Figure 4 As shown, a vehicle-mounted cryogenic liquid fuel supply system adopts the above-mentioned structure of the cryogenic liquid vaporization mechanism in the vehicle-mounted cryogenic storage tank. The cryogenic liquid fuel can be liquefied natural gas.

[0080] It can be seen from the above that: this embodiment provides a vaporization mechanism for cryogenic liquid in a vehicle-mounted cryogenic storage tank and a vehicle-mounted cryogenic liquid fuel supply system. In this embodiment, a gas phase return line vaporizer 512 is added to the gas phase return line 51, and the control valve assembly can switch and control the state of the second vaporization output line 5 being connected to the gas phase return line 51, the state of the second vaporization output line 5 being connected to the liquid phase return line 52, and the state of the liquid phase return line 52 being connected to the gas phase return line 51. Compared with embodiment 3, this embodiment adds the connection state of the liquid phase return line 52 being connected to the gas phase return line 51. In this state, when the automobile engine is not working, the cryogenic storage tank 2 can also be gas-phase pressurized.

[0081] Example 5: Figure 5 As shown, the present embodiment is different from the embodiment 3 in that: a bypass vaporization pipeline 8 with a bypass control valve 81 is connected between the gas phase reflux pipeline 51 and the liquid phase reflux pipeline 52, and a bypass vaporizer 82 is arranged on the bypass vaporization pipeline 8. In the present embodiment, the bypass vaporizer 82 adopts an air temperature vaporizer. In order to save energy consumption, the position where the liquid phase reflux pipeline 52 is connected to the cryogenic storage tank liquid 2 ensures that: when the bypass control valve 91 is opened, the pressure difference between the liquid phase reflux pipeline 52 and the gas phase reflux pipeline 51 can make the cryogenic liquid in the cryogenic storage tank 2 enter the cryogenic storage tank 2 after being vaporized in the bypass vaporizer 82 through the liquid phase reflux pipeline 52.

[0082] The working principle is as follows: In order to simplify the description, the working process of the same part as Example 3 is not repeated again.

[0083] When the automobile engine is in a stopped working state, when the pressure signal monitored by the pressure sensor 501 shows that the gas phase pressure in the cryogenic storage tank 2 is lower than the set value, it means that the gas phase in the cryogenic storage tank 2 needs to be pressurized. At this time, the bypass control valve 81 on the bypass vaporization pipeline is opened, the gas phase control valve 511 on the gas phase return pipeline 51 and the liquid phase reflux control valve 521 on the liquid phase return pipeline 52 are also in an open state, and the three-position three-way solenoid valve 7 is in a closed valve state. At this time, the cryogenic liquid in the cryogenic storage tank 2 can pass through the liquid phase return pipeline 52 and enter the bypass vaporizer 82 in the bypass vaporization pipeline 8 for vaporization, and the vaporized product produced by vaporization in the bypass vaporizer 82 enters the gas phase in the cryogenic storage tank 2 through the gas phase return pipeline 51, thereby pressurizing the gas phase of the cryogenic storage tank 2.

[0084] like Figure 5 As shown, a vehicle-mounted cryogenic liquid fuel supply system adopts the above-mentioned structure of the cryogenic liquid vaporization mechanism in the vehicle-mounted cryogenic storage tank. The cryogenic liquid fuel can be liquefied natural gas.

[0085] As can be seen from the above, this embodiment provides a vaporization mechanism for cryogenic liquid in a vehicle-mounted cryogenic storage tank and a vehicle-mounted cryogenic liquid fuel supply system. Compared with Embodiment 3, a bypass vaporization pipeline 8 with a bypass control valve 81 is connected between the gas phase return pipeline 51 and the liquid phase return pipeline 52, and a bypass vaporizer 82 is provided on the bypass vaporization pipeline 8, so that the gas phase in the cryogenic storage tank 2 can be pressurized even when the automobile engine is not working.

[0086] Embodiment 6: On the premise of Embodiment 1 or Embodiment 2 or Embodiment 3 or Embodiment 4 or Embodiment 5, the vaporization mechanism of the cryogenic liquid in the vehicle-mounted cryogenic storage tank described in this embodiment, the shell-side medium inlet on the shell of the vaporizer 1 is the engine coolant inlet 101, the shell-side medium outlet on the shell of the vaporizer 1 is the engine coolant outlet 102, the engine coolant inlet 101 and the engine coolant outlet 102 are both connected to the inside of the shell of the vaporizer 1, the engine coolant inlet 101 is arranged on the shell of the vaporizer 1 on the input end side of the heat exchange tube, and the engine coolant outlet 102 is arranged on the shell of the vaporizer 1 on the output end side of the heat exchange tube; the engine coolant inlet 101 and the engine coolant outlet 102 are respectively used to connect with the engine coolant input pipe 15 and the engine coolant output pipe 16. The engine coolant heated in the engine enters the carburetor 1 shell through the engine coolant inlet 15 and the engine coolant inlet 101 on the carburetor 1 shell to be cooled, and the cooled engine coolant is then output through the engine coolant outlet 102 and the engine coolant output pipe 16 for engine cooling. The engine coolant is also called engine antifreeze coolant, and conventional engine coolant mainly contains ethylene glycol and water.

[0087] In this embodiment, an engine coolant inlet 101 and an engine coolant outlet 102 are provided on the shell of the vaporizer 1. The engine coolant used for engine cooling absorbs the heat of the engine and its temperature rises. The engine coolant with increased temperature enters the shell of the vaporizer 1 through the engine coolant inlet 101, thereby providing heat energy for the vaporization of the cryogenic liquid in the heat exchange tube in the vaporizer.

[0088] A vehicle-mounted cryogenic liquid fuel supply system adopts the above-mentioned structure of the vaporization mechanism of the cryogenic liquid in the vehicle-mounted cryogenic storage tank.

[0089] In order to simplify the diagram, the shell side medium inlet and the shell side medium outlet are respectively the shell structure of the carburetor 1 of the engine coolant inlet 101 and the engine coolant outlet 102. Figure 1As illustrated in , the vaporization mechanism of the cryogenic liquid in the vehicle-mounted cryogenic storage tank and the supply system of the vehicle-mounted cryogenic liquid fuel described in Example 1, Example 2, Example 3, Example 4 and Example 5 can all adopt a vaporizer 1 whose shell-side medium inlet and shell-side medium outlet are respectively the engine coolant inlet 101 and the engine coolant outlet 102, that is, the vaporization mechanism of the cryogenic liquid in the vehicle-mounted cryogenic storage tank and the supply system of the vehicle-mounted cryogenic liquid fuel described in Example 1, Example 2, Example 3, Example 4 and Example 5, wherein the heat exchange medium in the shell side of the vaporizer 1 can be engine coolant.

[0090] From the above, it can be seen that in this embodiment, the vaporization mechanism of the cryogenic liquid in the vehicle-mounted cryogenic storage tank and a vehicle-mounted cryogenic liquid fuel supply system, the shell of the vaporizer 1 is provided with an engine coolant inlet 101 and an engine coolant outlet 102, that is, the heat exchange medium in the shell of the vaporizer 1 is the engine coolant, which fully utilizes the heat energy of the engine coolant whose temperature rises after cooling the automobile engine, thereby effectively saving energy consumption and avoiding heat energy waste. After the engine coolant cools the automobile engine, the temperature usually rises to 90℃±5℃, therefore, making full use of the heat energy of the heated engine coolant can effectively reduce the vaporization cost.

[0091] Embodiment 7: Based on the premise of Embodiment 1 or Embodiment 2 or Embodiment 3 or Embodiment 4 or Embodiment 5, the vaporization mechanism of the cryogenic liquid in the vehicle-mounted cryogenic storage tank described in this embodiment has a shell-side medium inlet 103 on the shell of the vaporizer 1, and a shell-side medium outlet 104, and the temperature control medium inlet 103 and the temperature control medium outlet 104 are both connected to the inside of the shell of the vaporizer 1, and the temperature control medium inlet 103 is arranged on the shell of the vaporizer 1 on the input end side of the heat exchange tube, and the temperature control medium outlet 104 is arranged on the shell of the vaporizer 1 on the output end side of the heat exchange tube. The temperature control medium inlet 103 and the temperature control medium outlet 104 are respectively connected to the temperature control medium output pipeline 13 and the temperature control medium input pipeline 14 in the vehicle-mounted temperature control system. The temperature control medium used for adjusting the temperature in the vehicle-mounted temperature control system enters the shell of the vaporizer 1 through the temperature control medium output pipeline 13 and the temperature control medium inlet 103 on the vaporizer 1, exchanges heat with the cryogenic liquid in the heat exchange tube in the vaporizer 1, and is then output from the temperature control medium outlet 104 on the vaporizer 1 and the temperature control medium input pipeline 14 for temperature adjustment of the vehicle-mounted temperature control system.

[0092] A vehicle-mounted cryogenic liquid fuel supply system adopts the above-mentioned structure of the vaporization mechanism of the cryogenic liquid in the vehicle-mounted cryogenic storage tank.

[0093] A vehicle-mounted temperature control system, based on the above-mentioned vaporization mechanism of cryogenic liquid in the vehicle-mounted cryogenic storage tank, comprises a temperature control medium output pipeline 13 and a temperature control medium input pipeline 14, wherein the output end of the temperature control medium output pipeline 13 is connected to the temperature control medium inlet 103 on the shell of the vaporizer 1, and the input end of the temperature control medium input pipeline 14 is connected to the temperature control medium outlet 104 on the shell of the vaporizer 1. The output end of the temperature control medium output pipeline 13 is provided with a check valve 131 to prevent the temperature control medium in the shell of the vaporizer 1 from flowing back into the temperature control medium output pipeline 13 from the temperature control medium inlet 103.

[0094] The vehicle temperature control system described in this embodiment includes a vehicle air conditioner and / or a vehicle refrigerator and / or a vehicle freezer that completely or partially utilizes the temperature control medium to release cold energy for refrigeration. After the temperature control medium is cooled after heat exchange with the cryogenic liquid in the heat exchange tube in the vaporizer 1, it flows back from the temperature control medium outlet 104 and the temperature control medium input pipeline 14 on the vaporizer 1 to the vehicle temperature control system for cooling, such as for refrigeration of the vehicle air conditioner, refrigeration or freezing of the vehicle refrigerator, and refrigeration or freezing of the vehicle freezer. The temperature control medium that has been heated up after releasing the cold energy enters the shell of the vaporizer 1 through the temperature control medium output pipeline 13 and the temperature control medium inlet 103 on the vaporizer 1 for cooling again. The components of the temperature control medium of the vehicle temperature control system mainly include ethylene glycol and water.

[0095] During the gas phase pressurization process or the liquid phase saturation process, by adjusting the speed of the pump 6 on the second vaporization output pipeline 5, not only the gas phase pressurization speed or the saturation speed can be adjusted, but also the outlet temperature of the temperature control medium outlet 104 can be adjusted to meet the temperature requirements of the corresponding vehicle temperature control system. Increasing the speed of the pump 6 can not only speed up the gas phase pressurization speed or the saturation speed, but also achieve rapid cooling or rapid refrigeration of the vehicle temperature control system.

[0096] In order to simplify the diagram, the shell side medium inlet and the shell side medium outlet are respectively the shell structure of the vaporizer 1 of the temperature control medium inlet 103 and the temperature control medium outlet 104. Figure 2 As illustrated in the figure, the vaporization mechanism of the cryogenic liquid in the vehicle-mounted cryogenic storage tank and the vehicle-mounted cryogenic liquid fuel supply system described in Example 1, Example 2, Example 3, Example 4 or Example 5 can also adopt the vaporizer 1 of this structure, that is, the temperature control medium in the vehicle-mounted temperature control system can be used as the heat exchange medium of the shell side of the vaporizer 1.

[0097] From the above, it can be seen that: this embodiment provides a vaporization mechanism for cryogenic liquid in a vehicle-mounted cryogenic storage tank, a vehicle-mounted cryogenic liquid fuel supply system, and a vehicle-mounted temperature control system. The vaporization mechanism for cryogenic liquid in a vehicle-mounted cryogenic storage tank and a vehicle-mounted cryogenic liquid fuel supply system, the heat exchange medium in the shell of the vaporizer 1 adopts the temperature control medium in the vehicle-mounted temperature control system, so that the cold released during the vaporization process of the cryogenic liquid can be fully utilized, and the cryogenic liquid vaporization process includes the process of vaporizing the cryogenic liquid for use by the engine and / or the process of gas phase pressurization after the cryogenic liquid is vaporized and / or the process of saturating the liquid phase after the cryogenic liquid is vaporized, thereby effectively avoiding the waste of cold. The temperature control medium in the vehicle-mounted temperature control system obtains cold after heat exchange with the cryogenic liquid in the vaporizer 1 and is then used for refrigeration, which greatly reduces the energy consumption required for the vehicle-mounted temperature control system and effectively reduces the cost of using the vehicle-mounted temperature control system, such as vehicle-mounted air conditioners, vehicle-mounted refrigerators, and vehicle-mounted freezers.

[0098] Embodiment 7: Based on the premise of Embodiment 1 or Embodiment 2 or Embodiment 3 or Embodiment 4 or Embodiment 5, the vaporization mechanism of the cryogenic liquid in the vehicle-mounted cryogenic storage tank described in this embodiment, the shell-side medium inlet on the shell of the vaporizer 1 includes an engine coolant inlet 101 and a temperature control medium inlet 103, and the shell-side medium outlet on the shell includes an engine coolant outlet 102 and a temperature control medium outlet 104. The engine coolant inlet 101 and the engine coolant outlet 102 as well as the temperature control medium inlet 103 and the temperature control medium outlet 104 are all connected to the inside of the shell of the vaporizer 1. The engine coolant inlet 101 and the temperature control medium inlet 103 are arranged on the shell of the vaporizer 1 on the input end side of the heat exchange tube, and the engine coolant outlet 102 and the temperature control medium outlet 104 are arranged on the shell of the vaporizer 1 on the output end side of the heat exchange tube. The engine coolant inlet 101 and the engine coolant outlet 102 are used to be connected to the engine coolant input pipe 15 and the engine coolant output pipe 16 respectively.

[0099] The engine coolant and the temperature control medium are the same medium. The engine coolant is also called the engine antifreeze coolant. The conventional engine coolant mainly contains ethylene glycol and water.

[0100] After cooling the engine, the temperature of the engine coolant usually rises to 90℃±5℃, and enters the shell of the carburetor 1 through the engine coolant inlet 101 on the shell of the carburetor 1. The temperature control medium used to adjust the temperature in the vehicle temperature control system enters the shell of the carburetor 1 through the temperature control medium inlet 103 on the carburetor 1, and the engine coolant is mixed with the temperature control medium. The medium in the shell of the carburetor 1 exchanges heat with the cryogenic liquid in the heat exchange tube, and the heat energy of the engine coolant is fully released. The medium inside the shell of the carburetor 1 is output through the engine coolant outlet 102 for cooling the engine, and the medium inside the shell is output through the temperature control medium outlet 104 for temperature adjustment of the vehicle temperature control system.

[0101] A vehicle-mounted cryogenic liquid fuel supply system adopts the above-mentioned structure of the vaporization mechanism of the cryogenic liquid in the vehicle-mounted cryogenic storage tank.

[0102] The vehicle-mounted temperature control system includes: a temperature control medium output pipeline 13 and a temperature control medium input pipeline 14, wherein the output end of the temperature control medium output pipeline 13 is connected to the temperature control medium inlet 103 on the shell of the vaporizer 1, and the input end of the temperature control medium input pipeline 14 is connected to the temperature control medium outlet 104 on the shell of the vaporizer 1. The output end of the temperature control medium output pipeline 13 is provided with a check valve 131 to prevent the temperature control medium in the shell of the vaporizer 1 from flowing back into the temperature control medium output pipeline 13 from the temperature control medium inlet 103.

[0103] The vehicle temperature control system described in this embodiment includes a vehicle air conditioner and / or a vehicle refrigerator and / or a vehicle freezer that fully or partially utilizes a temperature control medium for temperature regulation.

[0104] The temperature of the engine coolant outlet 102 and the temperature control medium outlet 104 can be adjusted and set according to the temperature required by the vehicle temperature control system. For example, by increasing the speed of the pump 6 to increase the flow rate of the cryogenic liquid entering the second heat exchange tube group and / or reducing the flow rate of the engine coolant in the engine coolant inlet 101, the temperature of the temperature control medium outlet 104 can be reduced accordingly. By reducing the speed of the pump 6 to reduce the flow rate of the cryogenic liquid entering the second heat exchange tube group and / or increasing the flow rate of the engine coolant in the engine coolant inlet 101, the temperature of the temperature control medium outlet 104 can be increased accordingly.

[0105] In order to simplify the diagram, the shell structure of the carburetor 1 includes a shell medium inlet including an engine coolant inlet 101 and a temperature control medium inlet 103, and a shell medium outlet including an engine coolant outlet 102 and a temperature control medium outlet 104. Figure 3 , Figure 4 , Figure 5 As illustrated in the figure, the vaporization mechanism of the cryogenic liquid in the vehicle-mounted cryogenic storage tank and the vehicle-mounted cryogenic liquid fuel supply system described in Example 1, Example 2, Example 3, Example 4, and Example 5 can all use the vaporizer 1 of this structure, that is, the engine coolant and the temperature control medium of the vehicle-mounted temperature control system can be used together as the heat exchange medium in the shell side.

[0106] From the above, it can be seen that: this embodiment provides a vaporization mechanism for cryogenic liquid in a vehicle-mounted cryogenic storage tank, a vehicle-mounted cryogenic liquid fuel supply system, and a vehicle-mounted temperature control system. The vaporization mechanism for cryogenic liquid in a vehicle-mounted cryogenic storage tank and a vehicle-mounted cryogenic liquid fuel supply system have a simple structure and a high degree of integration. The heat exchange medium in the shell of the vaporizer 1 adopts the engine coolant and the temperature control medium in the vehicle-mounted temperature control system, which not only fully utilizes the heat energy generated during the operation of the automobile engine, but also fully utilizes the cold energy released during the vaporization process of the cryogenic liquid. The cryogenic liquid vaporization process includes the process of vaporizing the cryogenic liquid for engine use and / or the gas phase pressurization process after the cryogenic liquid is vaporized and / or the liquid phase saturation process after the cryogenic liquid is vaporized. Based on this, the energy consumption and use cost of the vehicle-mounted temperature control system are greatly reduced.

[0107] From the above embodiments, it can be found that the vaporization mechanism of the cryogenic liquid in the vehicle-mounted cryogenic storage tank and the vehicle-mounted cryogenic liquid fuel supply system of the present invention have simplified pipeline structures and effectively reduced manufacturing costs; the speed of gas phase pressurization and / or liquid phase saturation can be adjusted, so as to achieve rapid gas phase pressurization and / or rapid liquid phase saturation. In addition, the vaporization of the cryogenic liquid is achieved by using the engine coolant and / or the temperature control medium of the vehicle-mounted temperature control system, which greatly reduces the cost and energy consumption of the vaporization of the cryogenic liquid.

[0108] The vehicle-mounted temperature control system makes full use of the heat energy of the engine coolant whose temperature rises after cooling the automobile engine and / or the cold energy of the deep-cold liquid vaporization process, thereby effectively saving energy consumption, avoiding the waste of heat energy and / or cold energy, effectively reducing energy consumption, and greatly reducing the use cost of the vehicle-mounted temperature control system.

Claims

1. The vaporization mechanism of the cryogenic liquid in the vehicle-mounted cryogenic storage tank includes: A vaporizer, a liquid phase output pipeline with a liquid output control valve connected to the liquid in the cryogenic storage tank, the liquid phase output pipeline is connected to the vaporizer, the vaporizer is connected to a vaporization output pipeline, and the cryogenic liquid in the cryogenic storage tank is vaporized in the vaporizer and output through the vaporization output pipeline; the characteristic is that: two groups of heat exchange tubes are arranged in the vaporizer, the input end of each group of heat exchange tubes is connected to the liquid phase output pipe, the vaporization output pipeline includes two paths, and the output ends of the two groups of heat exchange tubes are respectively connected to the two vaporization output pipelines; One of the vaporization output pipelines delivers vaporized product of the cryogenic liquid to the engine; Another vaporization output pipeline is communicated with the gas phase in the cryogenic storage tank, or is communicated with the liquid phase in the cryogenic storage tank, or is communicated with both the gas phase and the liquid phase in the cryogenic storage tank, and a pump is arranged on the vaporization output pipeline.

2. The vaporization mechanism for cryogenic liquid in a vehicle-mounted cryogenic storage tank according to claim 1, characterized in that: One end of the shell of the vaporizer is provided with a shell deep-cold liquid phase inlet, and the other end of the shell of the vaporizer is provided with two shell vaporization outlets. The liquid phase output pipeline is connected to the shell deep-cold liquid phase inlet, and the input ends of the two groups of heat exchange tubes are connected to the liquid phase output pipe through the shell deep-cold liquid phase inlet; the output ends of the two groups of heat exchange tubes are respectively connected to the two shell vaporization outlets, and the two shell vaporization outlets are respectively connected to the two vaporization output pipelines.

3. The vaporization mechanism for cryogenic liquid in a vehicle-mounted cryogenic storage tank according to claim 1, characterized in that: A pump input temperature sensor is arranged on the vaporization output pipeline at one side of the input end of the pump.

4. The vaporization mechanism for cryogenic liquid in a vehicle-mounted cryogenic storage tank according to claim 1, characterized in that: A liquid phase temperature sensor for monitoring the liquid phase temperature in the cryogenic storage tank is arranged on the liquid phase output pipeline.

5. The vaporization mechanism for cryogenic liquid in a vehicle-mounted cryogenic storage tank according to claim 1, characterized in that: If another vaporization output pipeline is connected to the gas phase in the cryogenic storage tank, a gas phase control valve is provided on the vaporization output pipeline; if another vaporization output pipeline is connected to the liquid phase in the cryogenic storage tank, a liquid phase control valve is provided on the vaporization output pipeline; if one of the vaporization output pipelines is connected to both the gas phase and the liquid phase in the cryogenic storage tank, the vaporization output pipeline is divided into two after the output end of the pump, one is a gas phase reflux pipeline and the other is a liquid phase reflux pipeline, the gas phase reflux pipeline is connected to the gas phase in the cryogenic storage tank, the liquid phase reflux pipeline is connected to the liquid phase in the cryogenic storage tank, a gas phase control valve is provided on the gas phase reflux pipeline, and a liquid phase control valve is provided on the liquid phase reflux pipeline.

6. The vaporization mechanism for cryogenic liquid in a vehicle-mounted cryogenic storage tank according to claim 5, characterized in that: If another vaporization output pipeline is connected to the gas phase in the cryogenic storage tank, a pressure sensor for monitoring the gas phase pressure in the cryogenic storage tank is also provided on the vaporization output pipeline; if another vaporization output pipeline is connected to both the gas phase and the liquid phase in the cryogenic storage tank, a pressure sensor for monitoring the gas phase pressure in the cryogenic storage tank is also provided on the gas phase return pipeline.

7. The vaporization mechanism for cryogenic liquid in a vehicle-mounted cryogenic storage tank according to claim 5 or 6, characterized in that: For example, another vaporization output pipeline is connected to both the gas phase and the liquid phase in the cryogenic storage tank, and the gas phase reflux pipeline, the liquid phase reflux pipeline and the vaporization output pipeline are connected through a three-position three-way solenoid valve.

8. The vaporization mechanism for cryogenic liquid in a vehicle-mounted cryogenic storage tank according to claim 5, characterized in that: For example, another vaporization output pipeline is connected with both the gas phase and the liquid phase in the cryogenic storage tank, a gas phase reflux pipeline vaporizer is also provided on the gas phase reflux pipeline, and a control valve assembly is provided between the gas phase reflux pipeline, the liquid phase reflux pipeline and the vaporization output pipeline. The control valve assembly can realize switching control of three connection states: the vaporization output pipeline is connected with the gas phase reflux pipeline, the vaporization output pipeline is connected with the liquid phase reflux pipeline, and the liquid phase reflux pipeline is connected with the gas phase reflux pipeline.

9. The vaporization mechanism for cryogenic liquid in a vehicle-mounted cryogenic storage tank according to claim 8, characterized in that: A pressure sensor for monitoring the gas phase pressure in the cryogenic storage tank is also provided on the gas phase reflux pipeline.

10. The vaporization mechanism for cryogenic liquid in a vehicle-mounted cryogenic storage tank according to claim 8, characterized in that: The gas phase reflux pipeline vaporizer is an air temperature type vaporizer.

11. The vaporization mechanism for cryogenic liquid in a vehicle-mounted cryogenic storage tank according to claim 8, characterized in that: The position where the liquid reflux pipeline is connected to the cryogenic storage tank ensures that: when the liquid reflux pipeline is connected to the gas reflux pipeline, the pressure difference between the liquid reflux pipeline and the gas reflux pipeline can enable the cryogenic liquid in the cryogenic storage tank to enter the gas reflux pipeline vaporizer through the liquid reflux pipeline to be vaporized, and the generated vaporized product flows into the cryogenic storage tank through the gas reflux pipeline.

12. The vaporization mechanism for cryogenic liquid in a vehicle-mounted cryogenic storage tank according to claim 5, characterized in that: For example, another vaporization output pipeline is connected to both the gas phase and the liquid phase in the cryogenic storage tank, a bypass vaporization pipeline with a bypass control valve is connected between the gas phase reflux pipeline and the liquid phase reflux pipeline, and a bypass vaporizer is arranged on the bypass vaporization pipeline.

13. The vaporization mechanism for cryogenic liquid in a vehicle-mounted cryogenic storage tank according to claim 12, characterized in that: A pressure sensor for monitoring the gas phase pressure in the cryogenic storage tank is also provided on the gas phase reflux pipeline.

14. The vaporization mechanism for cryogenic liquid in a vehicle-mounted cryogenic storage tank according to claim 12, characterized in that: The bypass carburetor is an air-temperature carburetor.

15. The vaporization mechanism for cryogenic liquid in a vehicle-mounted cryogenic storage tank according to claim 12, characterized in that: The position where the liquid phase reflux pipeline is connected to the cryogenic storage tank ensures that the pressure difference between the liquid phase reflux pipeline and the gas phase reflux pipeline can enable the liquid phase in the cryogenic storage tank to enter the bypass vaporizer through the bypass vaporization pipeline for vaporization, and the generated vaporized product enters the cryogenic storage tank through the gas phase reflux pipeline.

16. The vaporization mechanism for cryogenic liquid in a vehicle-mounted cryogenic storage tank according to any one of claims 1 to 6 and 8 to 15, characterized in that: An engine coolant inlet and an engine coolant outlet are provided on the carburetor shell, and both the engine coolant inlet and the engine coolant outlet are communicated with the interior of the carburetor shell, and are used to be connected with the engine coolant input pipe and the engine coolant output pipe respectively. The engine coolant inlet is provided on the carburetor shell on the input end side of the heat exchange tube, and the engine coolant outlet is provided on the carburetor shell on the output end side of the heat exchange tube; the engine coolant heated in the engine enters into the carburetor shell through the engine coolant inlet on the carburetor shell to be cooled, and the cooled engine coolant is then output through the engine coolant outlet.

17. The vaporization mechanism for cryogenic liquid in a vehicle-mounted cryogenic storage tank according to any one of claims 1 to 6 and 8 to 15, characterized in that: The shell of the vaporizer is provided with a temperature control medium inlet and a temperature control medium outlet, both of which are connected to the inside of the shell of the vaporizer, and are used to connect with the temperature control medium output pipeline and the temperature control medium input pipeline in the vehicle temperature control system respectively. The temperature control medium inlet is provided on the shell of the vaporizer on the input end side of the heat exchange tube, and the temperature control medium outlet is provided on the shell of the vaporizer on the output end side of the heat exchange tube; The temperature control medium used to adjust the temperature in the vehicle temperature control system enters the shell of the vaporizer through the temperature control medium inlet on the vaporizer, exchanges heat with the cryogenic liquid in the heat exchange tube in the vaporizer, and is then output from the temperature control medium outlet on the vaporizer for temperature adjustment of the vehicle temperature control system.

18. The vaporization mechanism for cryogenic liquid in a vehicle-mounted cryogenic storage tank according to claim 16, characterized in that: The shell of the vaporizer is also provided with a temperature control medium inlet and a temperature control medium outlet, both of which are connected to the inside of the shell of the vaporizer, and are used to connect with the temperature control medium output pipeline and the temperature control medium input pipeline in the vehicle temperature control system respectively. The temperature control medium inlet is provided on the shell of the vaporizer on the input end side of the heat exchange tube, and the temperature control medium outlet is provided on the shell of the vaporizer on the output end side of the heat exchange tube; The temperature control medium used to adjust the temperature in the vehicle temperature control system enters the shell of the vaporizer through the temperature control medium inlet on the vaporizer, exchanges heat with the cryogenic liquid in the heat exchange tube in the vaporizer, and is then output from the temperature control medium outlet on the vaporizer for temperature adjustment of the vehicle temperature control system.

19. A vehicle-mounted cryogenic liquid fuel supply system, characterized in that: A vaporization mechanism for cryogenic liquid in a vehicle-mounted cryogenic storage tank as described in any one of claims 1 to 18 is adopted.

20. A vehicle temperature control system, characterized in that: Based on the vaporization mechanism of cryogenic liquid in the vehicle-mounted cryogenic storage tank according to claim 17 or 18, the vehicle-mounted temperature control system includes a temperature control medium output pipeline and a temperature control medium input pipeline, the output end of the temperature control medium output pipeline is connected to the temperature control medium inlet on the shell of the vaporizer, and the input end of the temperature control medium input pipeline is connected to the temperature control medium outlet on the shell of the vaporizer; The temperature control medium used to adjust the temperature in the vehicle temperature control system enters the carburetor shell through the temperature control medium output pipeline and the temperature control medium inlet on the carburetor, exchanges heat with the cryogenic liquid in the heat exchange tube in the carburetor, and then flows back from the temperature control medium outlet on the carburetor and the temperature control medium input pipeline to the vehicle temperature control system for temperature regulation.

21. The vehicle temperature control system according to claim 20, characterized in that: The output end of the temperature control medium output pipeline is provided with a check valve to prevent the temperature control medium in the carburetor shell from flowing back into the temperature control medium output pipeline from the temperature control medium inlet.

22. The vehicle temperature control system according to claim 20, characterized in that: The vehicle temperature control system includes a vehicle air conditioner, a vehicle refrigerator, and a vehicle freezer that fully or partially uses a temperature control medium for temperature regulation.

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