Hydrogen replacement system for in-built commuter bus

Abstract

The application discloses a built-in hydrogen replacement system for commuter passenger cars and relates to the technical field of hydrogen energy cars. The hydrogen energy cars in the prior art have the problem that the gas cylinders are installed at the bottom of the car, the height of the car bottom is too low, the replacement of the gas cylinders is very inconvenient, the replacement of the gas cylinders is not efficient and convenient, and the use effect is poor. The bottom of the passenger car is provided with a gas cylinder bin, the gas cylinder bin is a cargo bin traditionally used by the passenger car, a hydrogen replacement combined module is installed in the gas cylinder bin, the hydrogen replacement combined module comprises a protection module and a pushing device, the protection module comprises a protection frame, an installation seat is installed on the inner side of the protection frame, a hydrogen cylinder is arranged above the installation seat, a fixing hoop for fixing the hydrogen cylinder is arranged on the installation seat, a plurality of hydrogen cylinders are arranged, and the protection frame is in sliding connection with the pushing device.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of hydrogen energy automobile, in particular to an inbuilt hydrogen refilling system for commuter bus. BACKGROUND

[0002] Hydrogen-powered vehicles are divided into two types, hydrogen internal combustion vehicles (HICEV) are powered by hydrogen (usually obtained by decomposing methane or electrolyzing water) and air oxygen, while hydrogen (Fuel cell vehicle-FCEV) is hydrogen or hydrogen-containing substances and air oxygen through fuel cells to generate electricity, and then the electric motor is driven by the electric motor to drive the vehicle.

[0003] For example, the hydrogen energy automobile disclosed in CN214984858U includes a vehicle body, an electric control system arranged on the vehicle body, a power battery system, a hydrogen supply and storage system, a hydrogen-fueled range extender system and a driving motor connected with the electric control system, the hydrogen supply and storage system includes at least one hydrogen storage bottle and a mounting bracket for fixing the hydrogen storage bottle, the mounting bracket is provided with a connection head detachably connected with a gas nozzle of the hydrogen storage bottle, the bottom of the vehicle body is provided with a mounting cavity for mounting the mounting bracket, an opening of the mounting cavity is provided with a sealing plate for opening or closing the mounting cavity, the hydrogen-fueled range extender system includes a hydrogen-fueled engine in communication with the gas path of the connection head through a pipeline, and a generator connected with the hydrogen-fueled engine.

[0004] The hydrogen energy automobile provided by the above application uses hydrogen energy as the fuel of the range extender to charge the power battery, and the hydrogen storage bottle can be quickly replaced, thereby relieving the difficulty of hydrogen refueling and helping to completely solve the emission problem of traditional fuel range extender electric vehicles, but the height of the vehicle bottom is too low, the operation of replacing the hydrogen storage bottle is very inconvenient, and the replacement of the hydrogen storage bottle is not efficient and convenient, and the use effect is poor, so there is an urgent need to develop an inbuilt hydrogen refilling system for commuter bus to help people solve the existing problems. SUMMARY

[0005] The application aims to provide an inbuilt hydrogen refilling system for commuter bus to solve the problem that the height of the vehicle bottom is too low, the operation of replacing the hydrogen storage bottle is very inconvenient, and the replacement of the hydrogen storage bottle is not efficient and convenient, and the use effect is poor.

[0006] In order to achieve the above object, the application provides the following technical scheme: the built-in hydrogen exchange system for commuter passenger cars, comprising a passenger car, a gas cylinder compartment is arranged below the passenger car, the gas cylinder compartment is a traditional cargo compartment of the passenger car, a hydrogen exchange combined module is installed in the gas cylinder compartment, the hydrogen exchange combined module comprises a protection module and a pushing device, the protection module comprises a protection frame, a mounting seat is installed on the inner side of the protection frame, a hydrogen cylinder is arranged above the mounting seat, a fixing clamp for fixing the hydrogen cylinder is arranged on the mounting seat, a plurality of hydrogen cylinders are arranged, and the protection frame is slidably connected with the pushing device.

[0007] By the above technical scheme, the hydrogen exchange combined module is installed in the gas cylinder compartment of the passenger car, the gas cylinder compartment is a traditional cargo compartment of the passenger car, the cargo compartment is transformed into a gas cylinder compartment, the internal space of the passenger car is fully utilized, the overall integrity of the appearance of the passenger car is not affected, the vehicle is more clean and beautiful, the collision risk caused by external devices is avoided, the driving safety is improved, the protection module and the pushing device are included in the hydrogen exchange combined module, the protection frame of the protection module is used for fixing and installing the hydrogen cylinder, the protection frame is slidably connected with the pushing device, the protection frame can slide out of the pushing device, thereby the hydrogen cylinder is extended out of the passenger car body, when the hydrogen cylinder needs to be replaced, the overall protection frame and all hydrogen cylinders are replaced, the hydrogen cylinder can be quickly replaced, the convenience of replacement work is improved, the replacement work of the hydrogen cylinder is more efficient and convenient, and the use effect is improved.

[0008] In a preferred example, the application can be further configured as follows: a side safety airbag is arranged in the protection frame, a vertical seat is installed in the protection frame, an isolation safety airbag is installed on the vertical seat, a detection device is arranged in the gas cylinder compartment, the side safety airbag and the isolation safety airbag are electrically connected with the detection device, and the detection device is built-in with a gyroscope, an impact sensor and a communication device.

[0009] By the above technical scheme, the hydrogen cylinder is installed in the protection module, the safety airbag is used to protect the hydrogen cylinder, when the passenger car is seriously hit or seriously damaged, the side safety airbag and the isolation safety airbag are used to wrap the hydrogen cylinder in all directions, thereby protecting the hydrogen cylinder, preventing the hydrogen cylinder from exploding due to serious impact, achieving the effect of protecting the hydrogen cylinder, and improving the use safety of the hydrogen cylinder.

[0010] In a preferred example, the application can be further configured as follows: a monitoring connector is installed on the front end face of the hydrogen cylinder, an output end of the monitoring connector is connected with a gas conveying pipe, a hydrogen supply device is arranged in the gas cylinder compartment, the gas conveying pipe is connected with the hydrogen supply device, and the hydrogen supply device is internally provided with a master control valve, a hydrogen charging pipeline, a gas leakage sensor, a signal transceiver and an alarm.

[0011] By the technical scheme, the gas leakage phenomenon cannot be found is avoided by monitoring the joint to detect the gas tightness during the gas conveying, so that the safety risk is greatly reduced.

[0012] In a preferred example, the push-out device is further connected with a translation plate above, the translation plate is fixedly connected with the protection frame, a rack is installed below the translation plate, and the rack is provided with a plurality of.

[0013] By the technical scheme, the protection frame is pushed out by the translation plate, and the protection frame is fixed with the translation plate, so that when hydrogen needs to be replaced, the bolts connected between the protection frame and the translation plate are only needed to be disassembled, and the protection frame and all hydrogen cylinders can be replaced as a whole.

[0014] In a preferred example, the push-out device is further provided with a transmission shaft, the transmission shaft is installed with a plurality of meshing gears outside, the meshing gears are hingedly connected with the rack, and the meshing gears are provided with a plurality of.

[0015] By the technical scheme, the transmission shaft is used for transmission of all the meshing gears, so that all the meshing gears can rotate in the same direction at the same time.

[0016] In a preferred example, the push-out device is further installed with a shaft seat, the transmission shaft is rotatably connected with the shaft seat through a bearing, the push-out device is provided with a support seat for supporting, the support seat is provided with a through hole inside, and the transmission shaft penetrates through the support seat through the through hole.

[0017] By the technical scheme, the transmission shaft is supported by the shaft seat, and the upper part of the push-out device is supported by the support seat.

[0018] In a preferred example, one end of the transmission shaft is installed with a driven gear, the upper part of the push-out device is provided with a driving device, the output end of the driving device is connected with a driving gear, and the driving gear is hingedly connected with the driven gear.

[0019] By the technical scheme, the driving device drives the driving gear to rotate, and the driving gear drives the transmission shaft to rotate through the driven gear.

[0020] Compared with the prior art, the present application has the following advantages:

[0021] 1. The hydrogen exchange combination module is installed in the gas cylinder compartment of the passenger car, the gas cylinder compartment is the traditional cargo compartment of the passenger car, the cargo compartment is transformed into the gas cylinder compartment, the internal space of the passenger car is fully utilized, the overall integrity of the appearance of the passenger car is not affected, the vehicle is more clean and beautiful, collision risks caused by external devices are avoided, driving safety is improved, the hydrogen exchange combination module includes a protection module and a pushing device, a protection frame of the protection module is used for fixedly installing hydrogen cylinders, the protection frame is slidably connected with the pushing device, the protection frame can slide out of the pushing device, so that the hydrogen cylinders are stretched out of the passenger car body, when the hydrogen cylinders need to be replaced, the overall protection frame and all the hydrogen cylinders are replaced, the hydrogen cylinders can be quickly replaced, the convenience of replacement work is improved, the hydrogen cylinder replacement work is more efficient and convenient, and the use effect is improved.

[0022] 2. The hydrogen cylinders are installed in the protection module, the hydrogen cylinders are protected by the safety airbags, when the passenger car is seriously hit or seriously damaged, the hydrogen cylinders are wrapped by the side safety airbags and the isolation safety airbags, so that the hydrogen cylinders are protected, the hydrogen cylinders are prevented from being exploded due to serious impact, the hydrogen cylinders are protected, and the use safety of the hydrogen cylinders is improved.

[0023] 3. The monitoring joint is used for detecting the gas tightness during gas conveying, so that the gas leakage phenomenon cannot be found, and once an abnormality occurs during hydrogen conveying, the abnormality can be responded in time, and the safety risk is greatly reduced.

[0024] 4. The protection frame is pushed out by the translation plate, the protection frame is fixed with the translation plate, when hydrogen needs to be replaced, the bolts connected between the protection frame and the translation plate are disassembled, and the protection frame and all the hydrogen cylinders can be replaced integrally. DETAILED DESCRIPTION

[0025] Figure 1 It is a front view of the built-in commuter passenger car hydrogen exchange system of the application;

[0026] Figure 2 It is a partial structure schematic view of the hydrogen exchange combination module of the application;

[0027] Figure 3 It is a structure schematic view of the protection module of the application;

[0028] In the figure: 1, passenger car; 2, gas cylinder warehouse; 3, hydrogen exchange combination module; 4, detection equipment; 5, gas conveying pipe; 6, mounting seat; 7, hydrogen cylinder; 8, monitoring joint; 9, fixing hoop; 10, translation plate; 11, rack; 12, support seat; 13, shaft seat; 14, push-out device; 15, transmission shaft; 16, meshing gear; 17, driving device; 18, driving gear; 19, driven gear; 20, protection module; 21, protection frame; 22, side safety airbag; 23, vertical seat; 24, isolation safety airbag. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.

[0030] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0031] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, and can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0032] Please refer to Figure 1 , Figure 2 and Figure 3 , an embodiment provided by the present application: built-in commuter passenger car hydrogen exchange system, including passenger car 1, the lower part of passenger car 1 is provided with gas cylinder warehouse 2, gas cylinder warehouse 2 is the traditional cargo warehouse used by passenger car 1, hydrogen exchange combination module 3 is installed in gas cylinder warehouse 2, hydrogen exchange combination module 3 includes protection module 20 and push-out device 14, protection module 20 includes protection frame 21, the inner side of protection frame 21 is provided with mounting seat 6, the upper part of mounting seat 6 is provided with hydrogen cylinder 7, mounting seat 6 is provided with fixing hoop 9 for fixing hydrogen cylinder 7, hydrogen cylinder 7 is provided with a plurality of, protection frame 21 and push-out device 14 are slidingly connected.

[0033] Please refer toFigure 3 The protection frame 21 is provided with a side airbag 22, the protection frame 21 is provided with a vertical seat 23, the vertical seat 23 is provided with an isolation airbag 24, the gas cylinder compartment 2 is provided with a detection device 4, the side airbag 22 and the isolation airbag 24 are electrically connected with the detection device 4, the detection device 4 is internally provided with a gyroscope, an impact sensor and a communication device, the side airbag 22 and the isolation airbag 24 are conventional automobile airbags, and the size of the airbag is customized according to the size of the hydrogen cylinder 7.

[0034] Please refer to Figure 1 And Figure 2 The front end face of the hydrogen cylinder 7 is provided with a monitoring connector 8, the output end of the monitoring connector 8 is connected with a gas conveying pipe 5, the gas cylinder compartment 2 is provided with a hydrogen supply device, the gas conveying pipe 5 is connected with the hydrogen supply device, and the hydrogen supply device is internally provided with a master control valve, a hydrogen filling pipeline, a gas leakage sensor, a signal transceiver and an alarm.

[0035] Please refer to Figure 2 The upper side of the pushing device 14 is slidably connected with a translation plate 10, the translation plate 10 is fixedly connected with the protection frame 21, the lower side of the translation plate 10 is provided with a rack 11, and the rack 11 is provided with a plurality of.

[0036] Please refer to Figure 2 The pushing device 14 is internally provided with a transmission shaft 15, the outer side of the transmission shaft 15 is provided with a meshing gear 16, the meshing gear 16 is hingedly connected with the rack 11, and the meshing gear 16 is provided with a plurality of.

[0037] Please refer to Figure 2 The pushing device 14 is internally provided with a shaft seat 13, the transmission shaft 15 is rotatably connected with the shaft seat 13 through a bearing, the pushing device 14 is internally provided with a support seat 12 for supporting, the inside of the support seat 12 is provided with a through hole, and the transmission shaft 15 penetrates through the support seat 12 through the through hole.

[0038] Please refer to Figure 2 One end of the transmission shaft 15 is provided with a driven gear 19, the upper side of the pushing device 14 is provided with a driving device 17, the output end of the driving device 17 is connected with a driving gear 18, and the driving gear 18 is hingedly connected with the driven gear 19.

[0039] Working principle: when in use, the hydrogen replacement combined module 3 is installed into the gas cylinder compartment 2 of the passenger car 1, the pushing device 14 is connected with the car body, when the hydrogen cylinder 7 needs to be replaced, first disconnect the end of the gas conveying pipe 5 from the hydrogen supply equipment of the passenger car 1, start the driving device 17, the driving device 17 drives the driving gear 18 to rotate, the driving gear 18 drives the transmission shaft 15 to rotate through the driven gear 19, the transmission shaft 15 drives the cogwheel 16 to rotate, the cogwheel 16 engages with the rack 11, so that the rack 11 is driven to move linearly under the rotation of the cogwheel 16, the rack 11 drives the translation plate 10 to move linearly, so that the protection frame 21 pushes out of the gas cylinder compartment 2, then the protection frame 21 and all the hydrogen cylinders 7 are taken out by using the hoisting equipment, then the protection module 20 assembly can be replaced, when the passenger car 1 is seriously hit, the impact sensor in the detection equipment 4 will receive the impact signal, supply power to the side safety air bag 22 and the isolation safety air bag 24, cause the side safety air bag 22 and the isolation safety air bag 24 to burst, wrap the hydrogen cylinder 7, so as to protect the hydrogen cylinder 7 and improve the use safety of the hydrogen cylinder 7.

[0040] It will be obvious to a person skilled in the art that the application is not limited to the details of the above-described exemplary embodiments but can be implemented in other embodiments without departing from the scope of the application. The embodiments are to be considered in all respects as being illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the description above, and therefore all changes which come within the meaning and range of equivalency of the claims are to be embraced by the application. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. An integrated hydrogen swapping system for commuter buses, comprising a bus (1), characterized in that: A gas cylinder compartment (2) is provided below the bus (1). The gas cylinder compartment (2) is the cargo compartment traditionally used by the bus (1). A hydrogen exchange module (3) is installed in the gas cylinder compartment (2). The hydrogen exchange module (3) includes a protection module (20) and a push-out device (14). The protection module (20) includes a protection frame (21). A mounting seat (6) is installed on the inner side of the protection frame (21). A hydrogen cylinder (7) is provided above the mounting seat (6). A fixing hoop (9) for fixing the hydrogen cylinder (7) is provided on the mounting seat (6). There are several hydrogen cylinders (7). The protection frame (21) is slidably connected to the push-out device (14). The protective frame (21) is provided with a side airbag (22), the protective frame (21) is installed with a vertical seat (23), the vertical seat (23) is installed with an isolation airbag (24), the gas cylinder compartment (2) is provided with a detection device (4), the side airbag (22) and the isolation airbag (24) are electrically connected to the detection device (4), and the detection device (4) is equipped with a gyroscope, an impact sensor and a communication device. A translation plate (10) is slidably connected above the ejection device (14). The translation plate (10) is fixedly connected to the protective frame (21). A rack (11) is installed below the translation plate (10). The rack (11) is provided with several racks. The ejection device (14) is provided with a drive shaft (15), and a meshing gear (16) is installed on the outside of the drive shaft (15). The meshing gear (16) meshes with the rack (11), and there are several meshing gears (16). One end of the drive shaft (15) is equipped with a driven gear (19), and a drive device (17) is provided above the ejection device (14). The output end of the drive device (17) is connected to a drive gear (18), and the drive gear (18) meshes with the driven gear (19).

2. The built-in hydrogen swapping system for commuter buses according to claim 1, characterized in that: A monitoring connector (8) is installed on the front end of the hydrogen cylinder (7). The output end of the monitoring connector (8) is connected to a gas supply pipe (5). A hydrogen supply device is installed inside the cylinder compartment (2). The gas supply pipe (5) is connected to the hydrogen supply device. The hydrogen supply device is equipped with a main control valve, a hydrogen filling pipeline, a leak sensor, a signal transceiver, and an alarm.

3. The built-in hydrogen swapping system for commuter buses according to claim 1, characterized in that: The ejection device (14) is equipped with a bearing seat (13), and the drive shaft (15) is rotatably connected to the bearing seat (13) through a bearing. The ejection device (14) is provided with a support seat (12) for support. The support seat (12) has a through hole inside, and the drive shaft (15) passes through the support seat (12) through the through hole.

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