CN110341403B

CN110341403B - Hydrogen energy hybrid station wagon

Info

Publication number: CN110341403B
Application number: CN201910665244.4A
Authority: CN
Inventors: 杜慎之
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-10-02
Anticipated expiration: 2039-07-23
Also published as: CN110341403A

Abstract

The invention discloses a hydrogen energy hybrid station wagon, which comprises a tractor and a trailer connected to the rear end of the tractor, wherein a buffer device is arranged between the trailer and the tractor; buffer is including fixing base on the trailer is provided with on this fixing base and holds the chamber, and the both sides symmetry of fixing base is provided with first waist type hole, and this first waist type downthehole slides and is provided with the handle, and each handle all is connected with the inflatable packer through sliding telescopic machanism, and the below of this inflatable packer is connected with the support column. When the pneumatic buffer is used, a small amount of gas is injected into the inflatable cushion according to the distance between the tractor and the trailer and is arranged between the tractor and the trailer, the inflatable cushion can play a role of buffering when the tractor has braking impact, and meanwhile, the arranged sliding telescopic mechanism can further improve the buffering effect and reduce unnecessary property loss and personal injury; when the bed is in a parking state, the inflatable cushion can be filled with air, and the support column is supported below the inflatable cushion to be used as a bed for people to rest.

Description

Hydrogen energy hybrid station wagon

Technical Field

The invention relates to the technical field of traveling vehicles, in particular to a traction-pulling type hydrogen energy hybrid traveling vehicle.

Background

The automobile as an important vehicle for human beings makes a great contribution to the progress of human beings. Along with the improvement of living standard of people, the towing and hanging type station wagon which brings convenience to leisure and tourism activities of people is more and more popular, but the existing towing vehicle and the towing vehicle are connected through a rigid connecting piece, so that certain braking impact can be generated when the towing vehicle brakes, and certain property loss or personal injury can be caused when the braking impact is serious.

Disclosure of Invention

Aiming at the technical problems at present, the invention provides a hydrogen energy hybrid station wagon which can buffer braking impact generated during parking braking and improve the stability and safety of a vehicle.

In order to achieve the above purpose, the invention provides the following technical scheme:

a hydrogen energy hybrid station wagon comprises a tractor and a trailer connected to the rear end of the tractor, wherein a buffer device is arranged between the trailer and the tractor;

buffer is including fixing base on the trailer is provided with on this fixing base and holds the chamber, the bilateral symmetry of fixing base is provided with first waist type hole, and this first waist type downthehole slides and is provided with the handle, and each handle all is connected with the inflatable packer through sliding telescopic machanism, and the below of this inflatable packer is connected with the support column.

According to the technical scheme, when the pneumatic buffer is used, a small amount of gas is filled into the pneumatic pad according to the distance between the tractor and the trailer and is arranged between the tractor and the trailer, the pneumatic pad can play a role in buffering when the tractor has braking impact, and meanwhile, the sliding telescopic mechanism can further improve the buffering effect and reduce unnecessary property loss and personal injury; when the bicycle is in a parking state, the inflatable cushion can be filled with air, and the support columns are supported below the inflatable cushion to be used as a bed for people to rest, so that the fatigue feeling during traveling is relieved; when the buffering is not needed, the handle is moved after the air in the inflatable cushion is discharged, and the deflated inflatable cushion is placed in the accommodating cavity.

Preferably, the sliding telescopic mechanism comprises a first sliding chute arranged on the fixed seat, and a second sliding chute is respectively arranged on the first sliding chute close to the two ends of the first sliding chute in a sliding manner;

a second waist-shaped hole is formed in the end part, close to the fixed seat, of the inflatable cushion, a rotating shaft is arranged in the second waist-shaped hole in a sliding mode, and the rotating shaft is connected with the handle through a connecting rod;

still including two first connecting rods and two second connecting rods that the symmetry set up, two the one end of first connecting rod is respectively through first commentaries on classics round pin joint in the second spout that corresponds the end, its other end rotationally connects in the pivot, two the one end of second connecting rod is passed through the second and is changeed round pin sliding connection and in the second spout that corresponds the end, its other end rotationally connects in the pivot.

This scheme, when the buffering appears, the pivot removes to the fixing base direction, it removes to the fixing base direction along first waist type hole to drive the handle, first connecting rod revolutes axle and first commentaries on classics round pin and rotates simultaneously, because the commentaries on classics axle removes to the fixing base direction, the tie point of first connecting rod on the second spout is fixed, consequently, it removes to both ends along first spout to drive the second spout, the second connecting rod revolutes axle and second commentaries on classics round pin and rotates on the one hand this moment, on the other hand second commentaries on classics round pin drives the second connecting rod and removes to the fixing base direction along the second spout, with this realization inflatable packer removes the buffering, can rely on inflatable packer itself to cushion on the one hand when having guaranteed that the braking is strikeed, on the other hand utilizes.

Preferably, the first sliding grooves are arranged in the vertical direction, the second sliding grooves are arranged in the horizontal direction, and one end portions of the two second sliding grooves are arranged on the first sliding grooves in a sliding mode.

Preferably, the trailer comprises a carrier box, a hydrogen storage tank, a hydrogen fuel cell stack, a motor, a single-gear speed reducer, a power output shaft and a mixed oxide electrolytic tank are arranged in the carrier box, the mixed oxide electrolytic tank is communicated with the hydrogen storage tank through a first pipeline, the hydrogen storage tank is communicated with the cathode of the hydrogen fuel cell stack through a second pipeline, the anode of the hydrogen fuel cell stack is communicated with the outside air through a third pipeline, the water outlet of the hydrogen fuel cell stack is communicated with the mixed oxide electrolytic tank through a fourth pipeline, and the motor and the single-gear speed reducer are electrically connected with the hydrogen fuel cell stack;

the device also comprises a travelling wheel power generation mechanism which is arranged at the lower end of the carrier box and connected with the power output shaft, wherein at least one travelling wheel power generation mechanism is electrically connected with the mixed oxide electrolytic cell.

The scheme includes that pure electrokinetic energy is replaced by hydrogen energy, a walking wheel power generation mechanism generates electric energy to supply power to a mixed oxide electrolytic cell in an electrolysis mode in a walking process, hydrogen generated in the mixed oxide electrolytic cell in an electrolysis mode enters a hydrogen storage tank through a first pipeline, the hydrogen storage tank conveys the hydrogen to a hydrogen fuel cell stack through a second pipeline, meanwhile, oxygen in air enters the hydrogen fuel cell stack through a third pipeline to perform chemical reaction to generate electric energy, specifically, the hydrogen passes through a catalyst (platinum), two electrons in hydrogen atoms are separated out, the two electrons are attracted by an anode and generate current through an external circuit, hydrogen ions (protons) losing electrons can pass through a proton exchange membrane (namely solid electrolyte), the anode, the oxygen atoms and the electrons are combined into water again, and the generated water enters the mixed oxide electrolytic cell through a fourth pipeline to be used for electrolysis, so formed hydrogen energy circulation, thoroughly solved pure electric vehicles ubiquitous mileage of traveling short, the loaded down with trivial details problem of charging, even in the place that does not have the hydrogenation station, also do not have the worry of continuation of the journey mileage, improved the security simultaneously, reduced environmental pollution.

Preferably, the traveling wheel power generation mechanism comprises a hollow traveling column fixed at the lower end of the carrier box, the lower end of the hollow traveling column is connected with a connecting shaft, two ends of the connecting shaft are respectively connected with traveling wheels, a rotating disk is arranged in the hollow traveling column, the upper end of the rotating disk is provided with a connecting part, the lower end of the rotating disk is provided with a second turbine, the connecting part and the second turbine respectively extend out of two ends of the hollow traveling column, the connecting part is connected with a rotary driving disk through a long screw, the upper end of the rotary driving disk is provided with a first turbine, the rotating disk is provided with a rotor, a stator is arranged in the hollow traveling column corresponding to the rotor, and the stator is electrically connected with the mixed oxide electrolytic tank;

and a first worm and a second worm are respectively arranged on the power output shaft close to the two ends of the power output shaft, the first worm can be meshed with the first worm wheel, and the second worm is meshed and connected with the second worm wheel.

The scheme is that when the trailer needs to be driven by hydrogen energy power of the trailer, a long screw between a rotary driving disc and a connecting part is screwed down, at the moment, the rotary driving disc moves upwards, a first worm arranged on a power output shaft is meshed with a first worm arranged on the rotary driving disc to drive a rotating disc to rotate when the power output shaft rotates, a second worm on the rotating disc is meshed with a second worm in a connecting shaft to drive the connecting shaft to rotate, so that a travelling wheel is driven to rotate, the rotating disc drives a rotor to rotate when rotating, the rotor rotates to generate a magnetic field, a stator generates a cutting magnetic field to move to generate current to supply power to a fixed oxide electrolytic cell, the fixed oxide electrolytic cell or other loads are supplied with power while travelling, when the trailer does not need to be driven by the power of the trailer, the long screw between the rotary driving disc and the first worm is loosened, and the travelling wheel power generation mechanism drives the, because the second turbine on the rotating disc and the second worm in the connecting shaft are always in a meshed state, the stator can still do cutting magnetic field movement to generate current to supply power to the mixed oxide electrolytic cell or other loads.

Preferably, an automobile exhaust box is further arranged in the carrier box, an air inlet of the automobile exhaust box is opposite to an exhaust outlet of the tractor, and the mixed oxide electrolytic cell is arranged at the upper end of the automobile exhaust box and is tightly attached to the automobile exhaust box.

According to the scheme, when the vehicle is in a low-temperature and severe cold environment, certain heat can be provided for the mixed oxide electrolytic cell through automobile exhaust discharged by the tractor, so that the mixed oxide electrolytic cell can reach the working temperature.

Preferably, the automobile exhaust gas cooling system further comprises a cooling liquid circulation cavity, wherein the cooling liquid circulation cavity is tightly attached to the automobile exhaust gas box, and is communicated with the hydrogen storage tank, the hydrogen fuel cell stack, the motor and the single-gear speed reducer through U-shaped pipes to form a circulation loop.

Set up the coolant liquid circulation chamber, on the one hand, can carry out cooling to each component of carrier incasement portion, on the other hand when external environment temperature cross the heat in the accessible automobile exhaust case when low provides certain heat to the coolant liquid circulation chamber, guarantees the steady operation of each component in the carrier incasement.

Preferably, a heat radiation fan is arranged at a position, facing the hydrogen fuel cell stack, on the inner side of the front plate of the carrier box, and heat radiation holes are distributed at a position, facing the hydrogen fuel cell stack, on the rear plate of the carrier box.

Preferably, the carrier box is also internally provided with a video and audio system, a clothes drying barrel and a gas stove.

So set up some living equipment, improved the travelling comfort in the journey.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, a small amount of gas can be injected into the inflatable cushion according to the distance between the tractor and the trailer and is arranged between the tractor and the trailer, the inflatable cushion can play a role of buffering when the tractor has braking impact, and meanwhile, the arranged sliding telescopic mechanism can further improve the buffering effect and reduce unnecessary property loss and personal injury; when the bicycle is in a parking state, the inflatable cushion can be filled with air, and the support columns are supported below the inflatable cushion to be used as a bed for people to rest, so that the fatigue feeling during traveling is relieved; when the buffering is not needed, the handle is moved after the air in the inflatable cushion is discharged, and the deflated inflatable cushion is placed in the accommodating cavity. The travelling safety and the travelling comfort during travelling are improved, the whole structure is simple, extra space is not occupied, and the use is convenient.

Description of the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the inflated and deployed configuration of the cushioning device of FIG. 1;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is a partial structural view at I in FIG. 3;

FIG. 5 is a schematic view of the internal structure of the trailer of FIG. 1;

FIG. 6 is a rear view of FIG. 5;

fig. 7 is a schematic view of an arrangement structure of the heat dissipation fan in fig. 5;

fig. 8 is a schematic structural diagram of the traveling wheel power generation mechanism in fig. 5.

Detailed Description

The present invention will be described in further detail with reference to test examples and specific embodiments.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be interpreted broadly, and may be, for example, a mechanical connection or an electrical connection, a communication between two elements, a direct connection, or an indirect connection via an intermediate medium, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

The hydrogen energy hybrid station wagon shown in fig. 1-8 comprises a towing vehicle 100 and a trailer 101 connected to the rear end of the towing vehicle 100 by a towing hook or a hook, the towing vehicle 100 can be a domestic vehicle, the towing vehicle 100 and the trailer 101 can be guaranteed to be integrally parked in the existing parking space, and a buffer device for buffering brake impact is arranged between the trailer 101 and the towing vehicle 100.

As can be seen from fig. 2, 3 and 4, the buffering device includes a fixing base 60 fixed on the outer side of the front side plate of the trailer 101, a receiving cavity 601 is provided on the fixing base 60, the opening of the receiving cavity 601 faces the tractor 100, a first kidney-shaped hole 602 is symmetrically provided on both sides of the fixing base 60, the first kidney-shaped hole 602 is provided along the moving direction of the vehicle, a handle 603 is slidably provided in each first kidney-shaped hole 602, the handle 603 extends out of the first kidney-shaped hole 602, each handle 603 is connected with the inflatable cushion 69 through a set of sliding telescopic mechanism, a screw hole 691 is distributed below the inflatable cushion 69, a supporting column 692 is screwed in the screw hole 691, and the supporting column is placed on the ground to support the inflatable cushion 69 during parking and rest.

The sliding telescopic mechanism comprises a first sliding groove 61 arranged on the fixed seat 60, the first sliding groove 61 is arranged along the vertical direction, a second sliding groove 62 is respectively arranged on the first sliding groove 61 and close to the two ends of the first sliding groove, the second sliding groove 62 is arranged along the horizontal direction, one end part of each of the two second sliding grooves 62 is arranged on the first sliding groove 61 in a sliding mode, and the other end of each of the two second sliding grooves 62 is arranged in a suspending mode. A second waist-shaped hole 690 is symmetrically arranged on two sides of one end part of the inflatable cushion 69 close to the fixed seat 60, the second waist-shaped hole 690 and the first waist-shaped hole 602 are positioned on the same horizontal line, a rotating shaft 67 is arranged in the second waist-shaped hole 690 in a sliding manner, and the rotating shaft 67 is connected with the handle 603 through a connecting rod 68; still include two first connecting rods 63 and two second connecting rods 65 along connecting rod 68 symmetry setting, two first connecting rods 63's one end is connected on the second spout 62 that corresponds the end through first commentaries on classics round pin 64 respectively, and first commentaries on classics round pin 64 is located second spout 62 and is close to one end of first spout 61, its other end rotationally connects on pivot 67, two second connecting rods 65's one end is passed through second commentaries on classics round pin 66 sliding connection and is being corresponded the second spout 62 of end, second commentaries on classics round pin 66 can follow second spout 62 back-and-forth movement, its other end rotationally connects on pivot 67.

Referring to fig. 5, the trailer 101 includes a carrier box 1, a hydrogen storage tank 2, a hydrogen fuel cell stack 3, a motor and single-gear reducer 4, a power output shaft 5, a PCU energy distribution box 6, an MCU and HCU assembly box 7, a DC \ DC and TMS assembly box 8 and a mixed oxide electrolyzer 9 are arranged in the carrier box 1, the mixed oxide electrolyzer 9 is communicated with a hydrogen inlet of the hydrogen storage tank 2 through a first pipeline 20, a hydrogen energy controller is arranged on the hydrogen storage tank 2, a flow meter, a pressure meter, an electromagnetic valve and a supercharger are arranged on the first pipeline 20, the hydrogen storage tank 2 is communicated with a cathode of the hydrogen fuel cell stack 3 through a second pipeline 21, a pressure reducer, a flow meter and an electromagnetic valve are arranged on the second pipeline 21, and the hydrogen energy controller is electrically connected with the flow meter, the electromagnetic valve, the supercharger and the pressure reducer to control a hydrogen gas delivery process. The anode of the hydrogen fuel cell stack 3 is communicated with the outside air through a third pipe 30, and an air pump, an air filter, a flow meter, and an electromagnetic valve are provided on the third pipe 30. The water outlet of the hydrogen fuel cell stack 3 is communicated with the mixed oxide electrolytic tank 9 through a fourth pipeline 31, and a one-way electromagnetic valve, a filter screen and a water vapor collector are arranged in the fourth pipeline 31. The motor and single-gear speed reducer 4 is electrically connected with the hydrogen fuel cell stack 3, and the motor and single-gear speed reducer 4 is connected with the power output shaft 5.

A thermometer and a fusible plug are arranged at a hydrogen inlet of the hydrogen storage tank 2, namely, before the temperature rises and the risk of exceeding a safety line exists, the fusible plug is melted, and hydrogen is leaked and scattered to the atmosphere; when the temperature is reduced to the solidifying point of the fusible plug material (the material is selected according to the actual temperature test condition), the fusible plug blocks the hydrogen storage tank again.

PCU (power control unit) is used to ensure that the output power of the fuel cell CAN be reasonably controlled and the battery CAN be driven to charge and discharge under all running conditions, so that the information of pressure, flow, stack temperature of the hydrogen fuel cell, chemical reaction speed and the like of the hydrogen storage tank assembly CAN be collected through a vehicle area CAN network; the PCU is respectively electrically connected with the MCU, the HCU assembly box 7, the DC \ DC and the TMS assembly box 8 through the energy distribution box 6 (high with CAN, low with CAN and realizing CAN network connection). The HCU is in communication connection with the DC/DC and TMS assembly box 8, the PCU energy distribution box 9, the open-close control valve and the pressurization/decompression valve on the hydrogen storage tank 2 through the MCU and the HCU assembly box 7 (CAN high and CAN low for CAN network connection). Of course, the HCU inside the box body is also connected with the MCU through the CAN high and low to realize the CAN network connection. The DC/DC and the TMS are integrated in a DC/DC and TMS assembly box 8, two strip-shaped slots on the DC/DC and TMS assembly box are respectively a DC/DC (or a DC/AC is specifically customized according to actual functional requirements) and a TMS wire harness slot (comprising a CAN high line and a CAN low line) with the same size and are used for receiving command requests from the HCU and the BMS from the CAN, three round plugs are three-phase power plugs and are used for being connected with three-phase plugs of the motor and the single-gear speed reducer 4 (meanwhile, the branch lines are connected with the three-phase plugs of the PCU and obey PCU power distribution), the current generated by the hydrogen fuel cell stack is converted and supplied to the motor and the single-gear speed reducer 4 for use, and the TMS receives information commands uploaded from the CAN and come from the HCU, the BMS and the. The structure of the PCU energy distribution box 6, the MCU and HCU assembly box 7, the DC \ DC and TMS assembly box 8 and their connections are prior art and will not be described in detail here.

As can be seen from fig. 8 in combination with fig. 5, two sets of travelling wheel power generating mechanisms are arranged at the lower end of the carrier case 1, each travelling wheel power generating mechanism comprises a hollow travelling column 52 fixed at the lower end of the carrier case 1, the hollow travelling column 52 is arranged along the vertical direction, the lower end of the hollow travelling column 52 is connected with a connecting shaft 54, the connecting shaft 54 is arranged along the horizontal direction, travelling wheels are respectively connected with two ends of the connecting shaft 54, a rotating disc 53 is arranged in the hollow travelling column 52 along the vertical direction, a connecting part 530 is arranged at the upper end of the rotating disc 53, a second turbine 531 is arranged at the lower end of the rotating disc 53, the connecting part 530 and the second turbine 531 respectively extend out of two ends of the hollow travelling column 52, the connecting part 530 is connected with a rotating driving disc 58 through a long screw, a first turbine is arranged at the upper end of the rotating driving disc 58, a rotor 56 is arranged on the rotating, the stators 57 are fixed along with the hollow walking column 52, one set of the stators 57 is electrically connected with the mixed oxide electrolytic tank 9 through a wiring terminal, and the other set of the stators 57 is electrically connected with the vehicle-mounted battery through the wiring terminal. The power output shaft 5 is provided with a first worm 51 and a second worm 55 near the two ends thereof, when the rotary driving disc 58 moves upwards, the first worm wheel arranged at the upper end thereof can be meshed with the first worm 51, and the second worm 55 is in direct meshed connection with the second worm wheel 531.

An automobile tail gas box 10 is further arranged in the carrier box 1, the automobile tail gas box 10 is opposite to and connected with a tail pipe of the tractor 100, the automobile tail gas of the tractor 100 can directly enter the automobile tail gas box 10, and the mixed oxide electrolytic tank 9 is embedded at the upper end of the automobile tail gas box 10 and is tightly attached to the automobile tail gas box 10. The automobile exhaust gas drying device is characterized by further comprising a cooling liquid circulation cavity 11, wherein the cooling liquid circulation cavity 11 is tightly attached to the automobile exhaust gas box 10, the cooling liquid circulation cavity 11 is of an inverted L-shaped structure, and a clothes drying cabinet 12 is arranged in the horizontal section of the L-shaped structure. And the vertical section of the cooling liquid circulation cavity 11 is respectively communicated with the hydrogen storage tank 2, the hydrogen fuel cell stack 3, the motor and single-gear speed reducer 4, the PCU energy distribution box 6, the MCU and HCU assembly box 7 and the DC \ DC and TMS assembly box 8 through U-shaped pipes to form a circulation loop so as to cool the hydrogen storage tank 2, the hydrogen fuel cell stack 3, the motor and single-gear speed reducer.

In order to improve the travelling comfort and convenience of people, a gas stove 15 and a video and audio system 14 are arranged on the carrier box 1, a clothes drying barrel 13 is arranged on the side wall of the carrier box 1, a sector gear is arranged in the vertical section of the cooling liquid circulation cavity 11, the sector gear is connected with the clothes drying barrel 13 through a rotating shaft, and the rotating shaft is connected with the power output shaft 5 through a belt.

In order to improve the service performance of the trailer and avoid overhigh temperature caused by the operation of each element in the carrier box 1, a heat radiation fan 17 is arranged at the position, which is right opposite to the hydrogen fuel cell stack 3, on the inner side of the front plate of the carrier box 1, and heat radiation holes 16 are distributed at the position, which is right opposite to the hydrogen fuel cell stack 3, on the rear plate of the carrier box 1.

When the vehicle normally runs by the traditional power of the tractor 100, a small amount of gas is injected into the inflatable cushion 69 according to the distance between the tractor 100 and the trailer 101 when the vehicle is used, the small amount of gas is arranged between the tractor 100 and the trailer 101, when the tractor has braking impact, the rotating shaft 67 moves towards the direction of the fixed seat 60, the handle 603 is driven to move along the first kidney-shaped hole 602, the first connecting rod 63 rotates around the rotating shaft 67 and the first rotating pin 64, the connecting point of the first connecting rod 63 on the second sliding groove 63 is fixed due to the fact that the rotating shaft 67 moves towards the fixed seat 60, the second sliding groove 62 is driven to move towards two ends along the first sliding groove 61, at the moment, the second connecting rod 65 rotates around the rotating shaft 67 and the second rotating pin 66 on the one hand, on the other hand, the second rotating pin 66 drives the second connecting rod 65 to move towards the fixed seat 60 along the second sliding groove 62, so that the movement buffering of the inflatable cushion is realized, and the buffering, on the other hand, the sliding telescopic mechanism is utilized to improve the buffering effect and reduce unnecessary property loss and personal injury; when the bicycle is in a parking state, the inflatable cushion 69 can be filled with air, and the support columns 692 are supported below the inflatable cushion 69 to be used as a bed for people to rest, so that the fatigue feeling during traveling is reduced; when cushioning is not desired, the handle is moved to place deflated cushion 69 in cavity 601 after the air in cushion 69 is vented.

When the trailer 101 needs to be driven by hydrogen energy power, the long screw between the rotary driving disc 58 and the first worm wheel 530 is screwed down, at the moment, the rotary driving disc 58 moves upwards, the first worm 51 arranged on the power output shaft 5 is meshed with the first worm wheel 530 on the rotary driving disc 58 to drive the rotary disc 53 to rotate when the power output shaft 5 rotates, the second worm wheel 531 on the rotary disc 53 is meshed with the second worm 55 in the connecting shaft 54 to drive the connecting shaft 54 to rotate, so that the travelling wheel is driven to rotate, the rotary disc 53 drives the rotor 56 to rotate when rotating, the rotor 56 rotates to generate a magnetic field, the stator 57 performs cutting magnetic field motion to generate current, and the travelling is realized while supplying power to the fixed oxide electrolysis cell 9 or other loads. The fixed oxide electrolytic tank 9 electrolyzes to generate hydrogen which enters the hydrogen storage tank 2, the hydrogen in the hydrogen storage tank 2 enters the cathode of the hydrogen fuel cell stack 3 to generate chemical reaction, meanwhile, the oxygen enters the anode of the hydrogen fuel cell stack 3 and then is combined with electrons to generate water, and then enters the mixed oxide electrolytic tank 9, so that hydrogen production and hydrogen utilization circulation are formed. When the trailer does not need to be driven by the power of the trailer, the long screw between the rotary driving disc 58 and the connecting part 530 is loosened, at the moment, the meshing between the first worm and the first worm wheel is disconnected, at the moment, the driving wheel power generation mechanism drives the trailer to drive by using the tractor, and as the second worm wheel 531 on the rotary disc 53 and the second worm 55 in the connecting shaft are always in a meshing state, the stator can still do cutting magnetic field motion to generate current to supply power to a mixed oxide electrolytic cell or other loads, and the worry of no continuation of the journey is completely realized even in places without a hydrogen station.

The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims

1. A hybrid station wagon of hydrogen energy, comprising a towing vehicle (100) and a trailer vehicle (101) connected to the rear end of the towing vehicle (100), characterized in that: a buffer device is arranged between the trailer (101) and the tractor (100);

the buffer device comprises a fixed seat (60) fixed on the trailer (101), an accommodating cavity (601) is formed in the fixed seat (60), first waist-shaped holes (602) are symmetrically formed in two sides of the fixed seat (60), handles (603) are arranged in the first waist-shaped holes (602) in a sliding mode, each handle (603) is connected with an inflatable cushion (69) through a sliding telescopic mechanism, and a supporting column (692) is connected below the inflatable cushion (69);

the sliding telescopic mechanism comprises a first sliding chute (61) arranged on the fixed seat (60), and the positions, close to the two ends of the first sliding chute (61), of the first sliding chute are respectively provided with a second sliding chute (62) in a sliding manner;

a second waist-shaped hole (690) is formed in the end part, close to the fixed seat (60), of the inflatable cushion (69), a rotating shaft (67) is arranged in the second waist-shaped hole (690) in a sliding mode, and the rotating shaft (67) is connected with the handle (603) through a connecting rod (68);

still including two first connecting rods (63) and two second connecting rods (65) that the symmetry set up, two the one end of first connecting rod (63) is connected through first commentaries on classics round pin (64) respectively and is being corresponded the end on second spout (62), its other end rotationally connects in pivot (67) is last, two the one end of second connecting rod (65) is passed through second commentaries on classics round pin (66) sliding connection and is being corresponded the end on second spout (62), its other end rotationally connects in pivot (67).

2. The hydrogen powered hybrid recreational vehicle of claim 1, wherein: the first sliding groove (61) is arranged along the vertical direction, the second sliding grooves (62) are arranged along the horizontal direction, and one end parts of the two second sliding grooves (62) are arranged on the first sliding groove (61) in a sliding mode.

3. The hydrogen powered hybrid recreational vehicle of claim 1, wherein: the trailer (101) comprises a carrier box (1), a hydrogen storage tank (2), a hydrogen fuel cell stack (3), a motor, a single-gear speed reducer (4), a power output shaft (5) and a mixed oxide electrolytic tank (9) are arranged in the carrier box (1), the mixed oxide electrolytic tank (9) is communicated with the hydrogen storage tank (2) through a first pipeline (20), the hydrogen storage tank (2) is communicated with the cathode of the hydrogen fuel cell stack (3) through a second pipeline (21), the anode of the hydrogen fuel cell stack (3) is communicated with the outside air through a third pipeline (30), a water outlet of the hydrogen fuel cell stack (3) is communicated with the mixed oxide electrolytic tank (9) through a fourth pipeline (31), and the motor and the single-gear speed reducer (4) are electrically connected with the hydrogen fuel cell stack (3);

the device is characterized by further comprising a travelling wheel power generation mechanism which is arranged at the lower end of the carrier box (1) and connected with the power output shaft (5), wherein at least one travelling wheel power generation mechanism is electrically connected with the mixed oxide electrolytic tank (9).

4. The hydrogen powered hybrid recreational vehicle of claim 3, wherein: the walking wheel power generation mechanism comprises a hollow walking column (52) fixed at the lower end of the carrier box (1), the lower end of the hollow walking column (52) is connected with a connecting shaft (54), two ends of the connecting shaft (54) are respectively connected with walking wheels, a rotating disc (53) is arranged in the hollow walking column (52), the upper end of the rotating disc (53) is provided with a connecting part (530), the lower end of the connecting part is provided with a second turbine (531), the connecting part (530) and the second turbine (531) respectively extend out of two ends of the hollow walking column (52), the connecting part (530) is connected with a rotary driving disc (58) through a long screw, the upper end of the rotary driving disc (58) is provided with a first turbine, the rotating disc (53) is provided with a rotor (56), and a stator (57) is arranged in the hollow walking column (52) corresponding to the rotor (56), the stator (57) is electrically connected to the mixed oxide electrolytic cell (9);

and a first worm (51) and a second worm (55) are respectively arranged on the power output shaft (5) near the two ends of the power output shaft, the first worm (51) can be meshed with the first worm wheel, and the second worm (55) is meshed and connected with the second worm wheel (531).

5. The hydrogen powered hybrid recreational vehicle of claim 4, wherein: an automobile exhaust box (10) is further arranged in the carrier box (1), an air inlet of the automobile exhaust box (10) is over against an exhaust outlet of the tractor (100), and the mixed oxide electrolytic tank (9) is arranged at the upper end of the automobile exhaust box (10) and is tightly attached to the automobile exhaust box (10).

6. The hydrogen powered hybrid recreational vehicle of claim 5, wherein: the automobile exhaust gas cooling system is characterized by further comprising a cooling liquid circulation cavity (11), wherein the cooling liquid circulation cavity (11) is tightly attached to the automobile exhaust gas box (10), and the cooling liquid circulation cavity (11) is communicated with the hydrogen storage tank (2), the hydrogen fuel cell stack (3), the motor and the single-gear speed reducer (4) through U-shaped pipes to form a circulation loop.

7. The hydrogen powered hybrid recreational vehicle of claim 6, wherein: the hydrogen fuel cell stack (3) is characterized in that a heat radiation fan (17) is arranged at a position, facing the hydrogen fuel cell stack (3), on the inner side of the front plate of the carrier box (1), and heat radiation holes (16) are distributed at a position, facing the hydrogen fuel cell stack (3), on the rear plate of the carrier box (1).

8. The hydrogen powered hybrid recreational vehicle of claim 7, wherein: the carrier box (1) is also internally provided with a video and audio system (14), a clothes drying barrel (13) and a gas stove (15).