A cold and hot energy supply system for vehicle air conditioner based on deep cold liquid vaporization

Abstract

The present invention discloses a cold and heat energy supply system for a vehicle air conditioner based on the vaporization of cryogenic liquid, comprising: a heat exchanger assembly, the heat exchanger assembly comprising: a refrigeration and heating heat exchanger, a refrigeration and heating medium input pipeline and a refrigeration and heating medium output pipeline are connected to the refrigeration and heating heat exchanger, the refrigeration and heating medium input pipeline and the refrigeration and heating medium output pipeline are both connected to a vaporizer, and the vaporizer is also connected to an engine coolant input pipe and an engine coolant output pipe; the heating refrigeration medium in the refrigeration and heating heat exchanger is the same medium as the engine coolant; a pump is provided on the refrigeration and heating medium input pipeline; and a cold capacity supplement mechanism is also included. The advantages of the present invention are: the cold energy of the cryogenic liquid vaporization and the heat energy of the engine coolant are fully utilized, the energy consumption of the vehicle is effectively reduced, and when the vehicle engine is on standby, there is still enough cold capacity to maintain the vehicle refrigeration requirements.

Description

Technical Field

[0001] The invention relates to the technical field of vehicle air conditioning based on deep-cold liquid vaporization. Background Art

[0002] Vehicles that use cryogenic liquid as fuel, such as liquefied natural gas (temperature around -163°C), need to be vaporized by a carburetor before being used by the engine. The vaporization process of cryogenic liquid releases a large amount of cold energy. Currently, this part of cold energy is directly discharged and is not fully utilized.

[0003] In order to make full use of the cold energy generated by the vaporization of cryogenic liquid, the applicant has developed a vehicle air conditioner based on the vaporization of cryogenic liquid. The supply of cold and hot energy in the vehicle air conditioner mainly utilizes the cold energy generated by the vaporization of cryogenic liquid and the thermal energy of the engine coolant whose temperature rises after the engine is cooled. The cold energy released by the vaporization process of cryogenic liquid and the thermal energy of the engine coolant whose temperature rises after the engine is cooled can be fully utilized, so as to achieve the purpose of reducing energy consumption and reducing the cost of vehicle use. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a cold and hot energy supply system for a vehicle air conditioner based on deep-cold liquid vaporization, which has a simple structure and can effectively cool and heat the vehicle.

[0005] To solve the above problems, the technical solution adopted by the present invention is: a cold and hot energy supply system for a vehicle air conditioner based on the vaporization of cryogenic liquid, comprising: a heat exchanger assembly, the heat exchanger assembly comprising: a refrigeration and heating heat exchanger, a refrigeration and heating medium inlet of the refrigeration and heating heat exchanger is connected to a refrigeration and heating medium input pipeline, and a refrigeration and heating medium outlet of the refrigeration and heating heat exchanger is provided with a refrigeration and heating medium output pipeline, the refrigeration and heating medium input pipeline and the refrigeration and heating medium output pipeline are both connected to a vaporizer for vaporizing the cryogenic liquid, and the vaporizer is also connected to an engine coolant input pipe and an engine coolant output pipe; the heating refrigeration medium in the refrigeration and heating heat exchanger is the same medium as the engine coolant; the refrigeration and heating medium input pipeline, the refrigeration and heating medium output pipeline, the engine coolant input pipe and the engine coolant output pipe are all connected to the shell side of the vaporizer; a pump is provided on the refrigeration and heating medium input pipeline; and a cold capacity replenishment mechanism that can provide additional cold capacity is also included.

[0006] Furthermore, in the aforementioned cold and heat energy supply system of a vehicle air conditioner based on deep-cold liquid vaporization, the cold capacity supplement mechanism includes: a cooler arranged in the refrigeration and heating medium input pipeline for cooling the refrigeration and heating medium in the refrigeration and heating medium input pipeline.

[0007] Furthermore, the aforementioned cold and heat energy supply system of the vehicle air conditioner based on the vaporization of cryogenic liquid, wherein a refrigerant circulation pipeline is connected to the cooler, and a refrigerant electric compressor, a refrigerant condenser, and a refrigerant throttling component are arranged on the refrigerant circulation pipeline. The refrigerant is compressed by the refrigerant electric compressor, condensed by the refrigerant condenser, and throttled by the refrigerant throttling component in sequence, and then enters the cooler to cool the refrigeration and heating medium. The refrigerant after releasing the cold capacity is output from the cooler and compressed again by the electric compressor, condensed by the refrigerant condenser, and throttled by the refrigerant throttling component to cool it.

[0008] Furthermore, in the aforementioned cold and hot energy supply system of a vehicle air conditioner based on the vaporization of cryogenic liquid, the heat exchanger assembly further includes a heating heat exchanger, and the heating medium in the heating heat exchanger is the engine coolant heated after engine cooling.

[0009] Furthermore, the aforementioned cold and heat energy supply system of the vehicle air conditioner based on the vaporization of deep-cold liquid, wherein the cold replenishment mechanism adopts a refrigerant compression single refrigeration circuit mechanism, and the refrigerant compression single refrigeration circuit mechanism includes: a refrigerant cold replenishment circuit, and the refrigerant cold replenishment circuit is provided with a cold replenishment electric compressor, a cold replenishment condenser, a cold replenishment throttling component, and a cold replenishment evaporator.

[0010] Furthermore, the aforementioned cold and hot energy supply system of a vehicle air conditioner based on cryogenic liquid vaporization further includes a fan, wherein the heat exchanger assembly is arranged in a shell, and the fan is arranged on the shell.

[0011] Furthermore, in the aforementioned cold and hot energy supply system of a vehicle air conditioner based on the vaporization of cryogenic liquid, the supplementary cooling evaporator and the heat exchanger assembly are arranged in the same shell, and the fan is arranged on the shell; the supplementary cooling evaporator and the heat exchanger assembly are respectively arranged in different shells, and a fan is arranged on each shell.

[0012] Furthermore, the aforementioned cold and heat energy supply system of the vehicle air conditioner based on the vaporization of deep-cold liquid, wherein a cold storage box is provided on the refrigeration and heating medium output pipeline, and a cold storage box input pipe and a cold storage box output pipe are connected to the cold storage box, and the cold storage box input pipe and the cold storage box output pipe are both connected to the refrigeration and heating medium output pipeline.

[0013] Furthermore, in the aforementioned cold and heat energy supply system for a vehicle air conditioner based on the vaporization of cryogenic liquid, the cold storage box input pipe and the refrigeration and heating medium output pipeline are connected via a three-way valve.

[0014] Furthermore, in the aforementioned cold and heat energy supply system for a vehicle air conditioner based on the vaporization of cryogenic liquid, a cold storage box temperature sensor for monitoring the temperature inside the cold storage box is provided on the cold storage box.

[0015] Furthermore, in the aforementioned cold and hot energy supply system of a vehicle air conditioner based on deep-cold liquid vaporization, a temperature sensor for monitoring the temperature of the cold and hot medium entering the cold and hot heat exchanger is provided on the cold and hot medium input pipeline at the cold and hot medium inlet of the cold and hot heat exchanger.

[0016] Furthermore, in the aforementioned cold and hot energy supply system of a vehicle air conditioner based on the evaporation of cryogenic liquid, a check valve is provided at the outlet position of the refrigeration and heating medium output pipeline to prevent the medium in the vaporizer from entering the refrigeration and heating medium output pipeline.

[0017] The advantages of the present invention are as follows: 1. The structure is simple, and the cold energy of the cryogenic liquid vaporization and the heat energy of the engine coolant whose temperature rises after the engine is cooled are fully utilized, so as to cool and / or heat the vehicle, and effectively reduce the energy consumption of the vehicle. 2. The setting of the cold capacity supplement mechanism effectively ensures that when the vehicle engine is on standby or other conditions where the cryogenic liquid entering the vaporizer is reduced, there is still enough cold capacity to maintain the vehicle refrigeration requirements. 3. When the cold capacity supplement mechanism adopts the principle of providing additional cold capacity for the refrigeration and heating medium in the refrigeration and heating medium input pipeline, the heat exchanger assembly is also provided with a heating heat exchanger. In this state, the vehicle air conditioner based on the evaporation of the cryogenic liquid can generate cold air and hot air at the same time to improve the human comfort, and can also use cold air for defogging and defrosting when heating; when the cold capacity supplement mechanism adopts the refrigerant compression single refrigeration circuit mechanism, directly exchanges heat with the air to supplement the cold capacity, in this state, the vehicle air conditioner based on the evaporation of the cryogenic liquid can also generate cold air and hot air at the same time to improve the human comfort, and can use cold air for defogging and defrosting when heating. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the principle structure of a cold and hot energy supply system for a vehicle air conditioner based on deep-cold liquid vaporization as described in Example 1.

[0019] Figure 2 This is a schematic diagram of the principle structure of a cold and hot energy supply system for a vehicle air conditioner based on deep-cold liquid vaporization as described in Example 2.

[0020] Figure 3 This is a schematic diagram of the principle structure of a cold and hot energy supply system for a vehicle air conditioner based on deep-cold liquid vaporization as described in Example 3.

[0021] Figure 4 It is a schematic diagram of the principle structure of a cold and hot energy supply system for a vehicle air conditioner based on deep-cold liquid vaporization as described in Example 4. DETAILED DESCRIPTION

[0022] The present invention will be further described in detail below in conjunction with the accompanying drawings and preferred embodiments.

[0023] Example 1: Figure 1 As shown, a cold and hot energy supply system for a vehicle air conditioner based on the vaporization of cryogenic liquid includes: a heat exchanger assembly 10, the heat exchanger assembly 10 includes: a refrigeration and heating heat exchanger 1, the refrigeration and heating medium inlet of the refrigeration and heating heat exchanger 1 is connected to a refrigeration and heating medium input pipeline 11, and the refrigeration and heating medium outlet of the refrigeration and heating heat exchanger 1 is provided with a refrigeration and heating medium output pipeline 12. The refrigeration and heating medium input pipeline 11 and the refrigeration and heating medium output pipeline 12 are both connected to a vaporizer 3 for vaporizing the cryogenic liquid. The vaporizer 3 is also connected to an engine coolant input pipe 31 and an engine coolant output pipe 32. The heating refrigeration medium in the refrigeration and heating heat exchanger 1 is the same medium as the engine coolant. The refrigeration and heating medium input pipeline 11, the refrigeration and heating medium output pipeline 12, the engine coolant input pipe 31 and the engine coolant output pipe 32 are all connected to the shell side of the vaporizer 3.

[0024] The engine coolant heated after cooling the engine enters the vaporizer 3 through the engine coolant inlet pipe 31. A part of the medium (including the mixed engine coolant and the refrigeration and heating medium) after heat exchange with the cryogenic liquid in the shell of the vaporizer 3 is output through the engine coolant output pipe 32, and the other part enters the refrigeration and heating heat exchanger 1 through the refrigeration and heating medium input pipeline 11. The refrigeration and heating medium input pipeline 11 is provided with a pump 111. The cryogenic liquid described in this embodiment is liquefied natural gas.

[0025] In this embodiment, a cold and hot energy supply system for a vehicle air conditioner based on the evaporation of cryogenic liquid also includes a cold energy supplement mechanism 4 that can provide additional cold energy.

[0026] In this embodiment, the cold capacity supplement mechanism 4 includes: a cooler 41 arranged in the cooling and heating medium input pipeline 11 for cooling the cooling and heating medium in the cooling and heating medium input pipeline 11, and a refrigerant circulation pipeline 42 is connected to the cooler 41, and the refrigerant circulation pipeline 42 is provided with a refrigerant electric compressor 421, a refrigerant condenser 422, and a refrigerant throttling component 423. The refrigerant used to cool the cooling and heating medium in the cooling and heating medium input pipeline 11 is compressed by the refrigerant electric compressor 421, condensed by the refrigerant condenser 422, and throttled by the refrigerant throttling component 423 in sequence, and then enters the cooler 41 to cool the cooling and heating medium. After releasing the cold capacity, the refrigerant is output from the cooler 41, and then compressed by the electric compressor 421, condensed by the refrigerant condenser 422, and throttled by the refrigerant throttling component 423 again, and the additional cold capacity is supplemented in this cycle.

[0027] In this embodiment, a temperature sensor 101 for monitoring the temperature of the cooling and heating medium entering the cooling and heating heat exchanger 1 is provided on the cooling and heating medium input pipeline 11 .

[0028] A check valve 121 is provided at the outlet of the cooling and heating medium output pipeline 12 to prevent the medium in the evaporator 3 from entering the cooling and heating medium output pipeline 12 .

[0029] A cold and hot energy supply system for a vehicle air conditioner based on cryogenic liquid vaporization also includes a fan 6, which is arranged on a first shell 100 where a heat exchanger assembly 10 is located.

[0030] The working principle is as follows: Figure 1 As shown, the cryogenic liquid in the vehicle-mounted cryogenic storage tank 5 enters the vaporizer 3 through the cryogenic liquid input pipe 51 for vaporization. The vaporized product produced after vaporization is output through the first vaporization output pipe 52 and the second vaporization output pipe 53. The vaporized product output from the first vaporization output pipe 52 is used as fuel for the engine, and the vaporized product output from the second vaporization output pipe 53 flows back to the vehicle-mounted cryogenic storage tank 5 for gas phase pressurization or liquid phase saturation. Cryogenic liquids such as liquefied natural gas (-163°C) will release a large amount of cold during the vaporization process.

[0031] The temperature of the engine coolant heated after the engine is cooled can generally reach 90°C ± 5°C. The heated engine coolant enters the shell side of the vaporizer 3 through the engine coolant input pipe 31. After the cooling and heating medium in the cooling and heating heat exchanger 1 exchanges heat with the air, it also enters the shell side of the vaporizer 3 through the cooling and heating medium output pipe 12. The engine coolant and the cooling and heating medium are the same medium. The two are mixed in the shell side of the vaporizer 3 and provide heat for the vaporization of the cryogenic liquid in the vaporizer 3. The heat energy of the engine coolant is fully released in the vaporizer 3. The medium after the sufficient heat exchange with the cryogenic liquid in the shell side of the vaporizer 3, that is, the mixed engine coolant and the cooling and cooling medium, a part of which is output through the engine coolant output pipe 32 and used for engine cooling again, and the other part enters the cooling and heating medium input pipe 11 and enters the cooling and heating heat exchanger 1 under the pumping of the pump 111.

[0032] The temperature of the refrigeration and heating medium output by the carburetor 3 can be adjusted by adjusting the amount of heated engine coolant entering the carburetor 3, thereby providing cold energy or heat energy for the vehicle air conditioner based on the evaporation of deep-cold liquid and realizing the temperature regulation of the vehicle air conditioner cooling or heating.

[0033] The fan 6 blows in ambient air, so that the heat or cold of the refrigeration and heating heat exchanger 1 is quickly heat-exchanged with the air, thereby providing heating or cooling services for the vehicle.

[0034] In this embodiment, a cold replenishment mechanism 4 is provided. The purpose of the cold replenishment mechanism 4 is that when the vehicle engine is on standby, the cryogenic liquid entering the carburetor 3 is reduced. In order to ensure the refrigeration demand of the vehicle air conditioner, the cold replenishment mechanism 4 can be turned on at this time. The refrigerant used to cool the refrigeration and heating medium in the refrigeration and heating medium input pipeline 11 is compressed by the refrigerant electric compressor 421, condensed by the refrigerant condenser 422, and throttled by the refrigerant throttling component 423, and then enters the cooler 41 to cool the refrigeration and heating medium, thereby replenishing the coldness of the refrigeration and heating medium in the refrigeration and heating medium input pipeline 11. The refrigerant after releasing the coldness is output from the cooler 41 and compressed by the electric compressor 421, condensed by the refrigerant condenser 422, and throttled by the refrigerant throttling component 423 again, thereby continuously circulating the refrigeration. The provision of the cold replenishment mechanism 4 ensures that when the vehicle engine is on standby or other cryogenic liquid coldness is insufficient, there is still enough coldness to maintain the vehicle refrigeration needs.

[0035] Example 2: Figure 2 As shown, the present embodiment is different from the embodiment 1 in that the heat exchanger assembly 10 further includes a heating heat exchanger 2. The heating medium in the heating heat exchanger 2 is the engine coolant heated after the engine is cooled. The fan 6 blows in ambient air to cause the cooling and heating heat exchanger 1 and the heating heat exchanger 2 of the heat exchanger assembly 10 to quickly exchange heat with the air.

[0036] Compared with the first embodiment, the heat exchanger assembly 10 of the present embodiment includes a cooling and heating heat exchanger 1 and a heating heat exchanger 2. The advantage of this is that the vehicle air conditioner based on the vaporization of cryogenic liquid can cool and heat at the same time, and can generate cold air and hot air at the same time under the action of the fan 6, thereby greatly improving the human comfort. In addition, when the heating heat exchanger 2 is used for heating, the cooling and heating heat exchanger 1 can be used for cooling, that is, the function of using cold air for defrosting and defrosting can be realized while heating.

[0037] Example 3: Figure 3 As shown, in this embodiment, compared with Embodiment 1, the cooling replenishment mechanism 4 adopts a refrigerant compression single refrigeration circuit mechanism, and the refrigerant compression single refrigeration circuit mechanism includes: a refrigerant cooling replenishment circuit 41, and the refrigerant cooling replenishment circuit 41 is provided with a cooling replenishment electric compressor 411, a cooling replenishment condenser 412, a cooling replenishment throttling component 413, and a cooling replenishment evaporator 414, and the cooling replenishment evaporator 414 adopts a fan to dissipate heat.

[0038] The supplementary cooling evaporator 414 and the heat exchanger assembly 10 described in this embodiment are arranged in the same shell, that is, both are in the first shell 100, so that the supplementary cooling evaporator 414 and the heat exchanger assembly 10 can share a fan 6, and quickly perform heat exchange with the ambient air blown in by the fan 6.

[0039] Compared with Example 1, the cold capacity replenishment mechanism 4 of this embodiment adopts a refrigerant compression single refrigeration circuit mechanism. Thus, when the vehicle engine is on standby, or in other states where the deep cold liquid entering the evaporator 3 is reduced, in order to ensure the refrigeration demand of the vehicle air conditioner, the cold capacity replenishment mechanism 4 can be turned on at this time, and the refrigerant compression single refrigeration circuit mechanism can be adopted to supplement additional cold capacity to meet the refrigeration demand.

[0040] In addition, since a refrigerant compression single refrigeration circuit mechanism is provided, the refrigerant compression single refrigeration circuit mechanism and the refrigeration and heating heat exchanger 1 can work independently. When it is necessary to generate cold air and hot air at the same time, the refrigerant compression single refrigeration circuit mechanism is used for cooling, and the refrigeration and heating heat exchanger 1 is used for heating. In this way, the vehicle air conditioner based on the vaporization of deep-cold liquid can generate cold air and hot air at the same time to improve human comfort, or it can use cold air for defogger and defrost while heating.

[0041] Example 4: Figure 4 As shown, in this embodiment, relative to embodiment 3, the cold replenishment mechanism 4 also adopts a refrigerant compression single refrigeration circuit mechanism. The difference is that the supplementary cooling evaporator 414 and the heat exchanger assembly are respectively arranged in different shells, and a fan is arranged on each shell. The shell in which the heat exchanger assembly 10 is located is the first shell 100, and the first fan 6 is arranged on the first shell 100, and the heat exchanger assembly 10 exchanges heat with the air blown in by the first fan 6. The shell in which the supplementary cooling evaporator 414 is located is the second shell 200, and the second fan 8 is arranged on the second shell 200, and the supplementary cooling evaporator 414 exchanges heat with the air blown in by the second fan 8.

[0042] Example 5: See Figure 1 , Figure 2 , Figure 3 , Figure 4 , the difference between this embodiment and embodiment 1 or embodiment 2 or embodiment 3 or embodiment 4 is that: a cold storage box 7 is provided on the cooling and heating medium output pipeline 12, and a cold storage box input pipe 71 and a cold storage box output pipe 72 are connected to the cold storage box 7, and the cold storage box input pipe 71 and the cold storage box output pipe 72 are both connected to the cooling and heating medium output pipeline 12. In order to simplify the pipeline, the cold storage box input pipe 71 and the cooling and heating medium output pipeline 12 described in this embodiment are connected through a three-way valve 73. A cold storage box temperature sensor 701 for monitoring the temperature in the cold storage box 7 is provided on the cold storage box 7.

[0043] The cold storage box 7 is provided to store cold energy.

[0044] When the car is just started, the refrigeration and heating medium in the cold storage box 7 can be used for rapid cooling. The specific working process is as follows: control the three-way valve 73 so that the refrigeration and heating medium output pipeline 12 is connected to the cold storage box input pipe 71. In this way, the refrigeration and heating medium in the cold storage box 7 will enter the vaporizer 3 through the cold storage box output pipe 72 and the refrigeration and heating medium output pipeline 12 in turn, and the medium in the vaporizer 3 will enter the refrigeration and heating heat exchanger 1 through the refrigeration and heating medium input pipeline 11 under the pumping of the pump 111, thereby achieving rapid cooling. The refrigeration and heating medium that has released cold in the refrigeration and heating heat exchanger 1 will flow back to the cold storage box 7 through the cold storage box input pipe 71, and circulate in this way, thereby achieving rapid cooling in the car.

[0045] When the vehicle air conditioner is not needed, the refrigeration and heating medium in the refrigeration and heating medium output pipeline 12 enters the cold storage box 7 through the cold storage box input pipe 71 for storage, so that the cold energy can be stored in the cold storage box 7, thereby reducing the waste of cold energy.

[0046] Or when the temperature signal monitored by the cold storage box temperature sensor 701 shows that the temperature in the cold storage box 7 is higher than the set value, the three-way valve 73 is controlled at this time to connect the cooling and heating medium output pipeline 12 with the cold storage box input pipe 71. The cooling and heating medium in the cooling and heating medium output pipeline 12 enters the cold storage box 7 through the cold storage box input pipe 71, and the cooling and heating medium in the cold storage box 7 enters the vaporizer 3 through the cold storage box output pipe 72 and the cooling and heating medium output pipeline 12, and the circulation is carried out until the temperature of the cooling and heating medium in the cold storage box 7 reaches the set value.

[0047] From the above embodiments, it can be seen that the cold and heat energy supply system for vehicle air conditioners based on the vaporization of cryogenic liquid described in the present application has the following advantages: First, the structure is simple, and the cold energy of the cryogenic liquid vaporization and the heat energy of the engine coolant whose temperature rises after the engine is cooled are fully utilized, thereby cooling and / or heating the vehicle, and effectively reducing the energy consumption of the vehicle. Second, the setting of the cold capacity replenishment mechanism 4 effectively ensures that when the vehicle's engine is on standby or in other states where the cryogenic liquid entering the vaporizer 3 is reduced, there is still enough cold capacity to maintain the vehicle's refrigeration needs. 3. When the cold capacity replenishment mechanism 4 is used to provide additional cold capacity for the cold and heating medium in the cold and heating medium input pipeline 11, the heat exchanger assembly 10 is also provided with a heating heat exchanger 2. In this state, the vehicle air conditioner based on the vaporization of deep-cold liquid can simultaneously generate cold air and hot air to improve human comfort, and can also use cold air for defogger and defrost during heating; when the cold capacity replenishment mechanism 4 adopts a refrigerant compression single refrigeration circuit mechanism to directly exchange heat with the air to replenish cold capacity, in this state, the vehicle air conditioner based on the vaporization of deep-cold liquid can also simultaneously generate cold air and hot air to improve human comfort, and can also use cold air for defogger and defrost during heating.

Claims

1. A cold and hot energy supply system for a vehicle air conditioner based on deep cold liquid vaporization, comprising: The heat exchanger assembly is characterized in that: the heat exchanger assembly includes: a refrigeration and heating heat exchanger, the refrigeration and heating medium inlet of the refrigeration and heating heat exchanger is connected to a refrigeration and heating medium input pipeline, the refrigeration and heating medium outlet of the refrigeration and heating heat exchanger is provided with a refrigeration and heating medium output pipeline, the refrigeration and heating medium input pipeline and the refrigeration and heating medium output pipeline are both connected to a vaporizer for vaporizing a cryogenic liquid, and the vaporizer is also connected to an engine coolant input pipe and an engine coolant output pipe; the heating refrigeration medium in the refrigeration and heating heat exchanger is the same medium as the engine coolant; the refrigeration and heating medium input pipeline, the refrigeration and heating medium output pipeline, the engine coolant input pipe and the engine coolant output pipe are all connected to the shell side of the vaporizer; a pump is provided on the refrigeration and heating medium input pipeline; and a cooling capacity replenishment mechanism that can provide additional cooling capacity is also included.

2. The cold and hot energy supply system of a vehicle air conditioner based on cryogenic liquid vaporization according to claim 1 is characterized in that: The cooling capacity supplement mechanism includes: a cooler arranged in the cooling and heating medium input pipeline and used for cooling the cooling and heating medium in the cooling and heating medium input pipeline.

3. The system for supplying cooling and heat energy for a vehicle air conditioner based on cryogenic liquid vaporization according to claim 2, characterized in that: The cooler is connected to a refrigerant circulation pipeline, on which a refrigerant electric compressor, a refrigerant condenser and a refrigerant throttling component are arranged. The refrigerant is compressed by the refrigerant electric compressor, condensed by the refrigerant condenser and throttled by the refrigerant throttling component in sequence, and then enters the cooler to cool the refrigeration and heating medium. The refrigerant after releasing the cold capacity is output from the cooler and compressed again by the electric compressor, condensed by the refrigerant condenser and throttled by the refrigerant throttling component.

4. The cold and hot energy supply system of a vehicle air conditioner based on cryogenic liquid vaporization according to claim 2 is characterized in that: The heat exchanger assembly also includes a heating heat exchanger, and the heating medium in the heating heat exchanger is the engine coolant heated after the engine is cooled.

5. The cold and hot energy supply system of a vehicle air conditioner based on cryogenic liquid vaporization according to claim 1 is characterized in that: The cooling replenishment mechanism adopts a refrigerant compression single refrigeration circuit mechanism, which includes a refrigerant cooling replenishment circuit, in which a cooling replenishment electric compressor, a cooling replenishment condenser, a cooling replenishment throttling component, and a cooling replenishment evaporator are arranged.

6. A cold and hot energy supply system for a vehicle air conditioner based on cryogenic liquid vaporization according to any one of claims 1 to 5, characterized in that: It also includes a fan. The heat exchanger assembly is arranged in the shell, and the fan is arranged on the shell.

7. The cold and hot energy supply system of a vehicle air conditioner based on cryogenic liquid vaporization according to claim 6 is characterized in that: The supplementary cooling evaporator and the heat exchanger assembly are arranged in the same housing, and the fan is arranged on the housing; the supplementary cooling evaporator and the heat exchanger assembly are arranged in different housings respectively, and a fan is arranged on each housing.

8. The cold and hot energy supply system of a vehicle air conditioner based on cryogenic liquid vaporization according to claim 1 is characterized in that: A cold storage box is arranged on the refrigeration and heating medium output pipeline, and a cold storage box input pipe and a cold storage box output pipe are connected to the cold storage box, and both the cold storage box input pipe and the cold storage box output pipe are connected to the refrigeration and heating medium output pipeline.

9. The cold and hot energy supply system of a vehicle air conditioner based on cryogenic liquid vaporization according to claim 8, characterized in that: The cold storage box input pipe and the refrigeration and heating medium output pipeline are connected through a three-way valve.

10. The cold and hot energy supply system of a vehicle air conditioner based on cryogenic liquid vaporization according to claim 8, characterized in that: The cold storage box is provided with a cold storage box temperature sensor for monitoring the temperature inside the cold storage box.

11. A cold and hot energy supply system for a vehicle air conditioner based on cryogenic liquid vaporization according to any one of claims 1 to 5, characterized in that: A temperature sensor for monitoring the temperature of the refrigeration and heating medium entering the refrigeration and heating heat exchanger is arranged on the refrigeration and heating medium input pipeline at the refrigeration and heating medium inlet of the refrigeration and heating heat exchanger.

12. A cold and hot energy supply system for a vehicle air conditioner based on cryogenic liquid vaporization according to any one of claims 1 to 5, characterized in that: A check valve is arranged at the outlet of the cooling and heating medium output pipeline to prevent the medium in the evaporator from entering the cooling and heating medium output pipeline.

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