CN215885974U

CN215885974U - Drive device of escalator

Info

Publication number: CN215885974U
Application number: CN202122034560.7U
Authority: CN
Inventors: 胡杰文; 陈麒; 葛荣军
Original assignee: Guangdong Himalaya Hydrogen Technology Co ltd
Current assignee: Guangdong Himalaya Hydrogen Technology Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-02-22
Anticipated expiration: 2031-08-26

Abstract

The utility model discloses a driving device of an escalator, which comprises a motor, a hydrogen fuel cell and a hydrogen bottle, wherein an output shaft of the motor is connected with a driving wheel, the hydrogen fuel cell is arranged on one side of the motor and is connected with the motor through a voltage converter, and the hydrogen bottle is communicated with a hydrogen inlet of the hydrogen fuel cell. The hydrogen fuel cell generates electric energy when chemical reaction occurs, and then the voltage of the electric energy output by the hydrogen fuel cell is converted into voltage suitable for the motor by the voltage converter so as to drive the motor to run. The rotating speed of the driving wheel can be adjusted by controlling the rotating speed of the motor, and the driving force is convenient to adjust.

Description

Drive device of escalator

Technical Field

The utility model relates to the technical field of escalators, in particular to a driving device of an escalator.

Background

With the progress of the times, people have stronger awareness of protecting the environment, so that various novel and environment-friendly energy sources emerge endlessly in order to better implement environment protection.

At present, some escalators adopt wind power generation devices and/or solar power generation devices as power supplies so as to realize energy conservation and environmental protection. However, the amount of power generation and the power generation time of the wind power generation apparatus or the photovoltaic power generation apparatus depend on the climate environment, so that it is not suitable for directly driving the escalator.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. To this end, the present invention proposes a driving apparatus of an escalator using a hydrogen fuel cell.

The escalator driving device comprises a motor, a hydrogen fuel cell and a hydrogen bottle, wherein an output shaft of the motor is connected with a driving wheel, the hydrogen fuel cell is arranged on one side of the motor and is connected with the motor through a voltage converter, and the hydrogen bottle is communicated with a hydrogen inlet of the hydrogen fuel cell.

The driving device of the escalator according to the embodiment of the utility model has at least the following beneficial effects: the hydrogen fuel cell generates electric energy when chemical reaction occurs, and then the voltage of the electric energy output by the hydrogen fuel cell is converted into voltage suitable for the motor by the voltage converter so as to drive the motor of the escalator to operate.

According to some embodiments of the utility model, further comprising a battery, the battery being connected to the hydrogen fuel cell and the electric machine.

According to some embodiments of the utility model, the battery is a lithium battery.

According to some embodiments of the utility model, the drive means comprises a power compartment, a fuel compartment and a battery compartment, the electric motor and the drive wheel being located in the power compartment, the hydrogen cylinder being located in the fuel compartment, the hydrogen fuel cell and the battery being located in the battery compartment.

According to some embodiments of the utility model, the fuel compartment, the battery compartment and the power compartment are provided with compartment doors.

According to some embodiments of the utility model, a hydrogen concentration detector is provided within the fuel compartment.

According to some embodiments of the utility model, an air cleaner is mounted to a side wall of the cell compartment, an inlet of the air cleaner communicating with an outside of the cell compartment, and an outlet of the air cleaner communicating with the hydrogen fuel cell.

According to some embodiments of the utility model, the hydrogen cylinders are provided in plurality, a frame is fixedly arranged in the fuel cabin, and the hydrogen cylinders are fixedly arranged on the frame.

According to some embodiments of the utility model, a radiator is mounted on the hydrogen fuel cell.

According to some embodiments of the utility model, the motor is provided on a base, the base being fixed to a truss of the escalator.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a power device of an escalator provided by an embodiment of the utility model.

Reference numerals:

the escalator 10, the power compartment 100, the motor 110, the frame 120, the base 130, the battery compartment 200, the hydrogen fuel cell 210, the voltage converter 220, the fuel compartment 300, the hydrogen cylinder 310, the driving wheel 400, the handrail 500, the storage battery 600, the air cleaner 700, the radiator 800, and the truss 900.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

An escalator 10 according to an embodiment of the present invention is described below with reference to fig. 1.

The driving device of the escalator 10 includes a motor 110, a hydrogen fuel cell 210 and a hydrogen cylinder 310, an output shaft of the motor 110 is connected with a driving wheel 400, the hydrogen fuel cell 210 is disposed at one side of the motor 110, the hydrogen fuel cell 210 is connected with the motor 110 through a voltage converter 220, and the hydrogen cylinder 310 is communicated with a hydrogen inlet of the hydrogen fuel cell 210.

Specifically, the escalator 10 includes a truss 900 and a handrail 500, the truss 900 includes an upper truss and a lower truss, the rotation speed of the driving wheel 400 can be adjusted by controlling the rotation speed of the motor 110, and the driving force can be conveniently adjusted. In the present application, the hydrogen fuel cell 210 is used as a main electric energy source, the hydrogen fuel cell 210 generates electric energy when a chemical reaction occurs, and then the voltage of the electric energy output by the hydrogen fuel cell 210 is converted into a voltage suitable for the motor 110 by the voltage converter 220, so as to drive the motor 110 of the escalator 10 to operate.

In some embodiments of the present invention, as shown in fig. 1, a battery 600 is further included, and the battery 600 is connected to the hydrogen fuel cell 210 and the motor 110. Because the hydrogen fuel cell 210 has a certain time delay, the storage battery 600 is added to be used as a power supply for starting and stopping the escalator 10 instantly, so that the normal operation of the escalator 10 is ensured and the response speed is improved. And when there is a margin in the output of the hydrogen fuel cell 210, the hydrogen fuel cell 210 can charge the battery 600. Battery 600 may also serve as a backup power source to provide backup power for emergency devices on escalator 10.

In some embodiments of the present invention, battery 600 is a lithium battery, which has the advantages of long life and small size. Battery 600 may be a lead-acid battery.

In some embodiments of the present invention, as shown in fig. 1, the driving device is located at the upper straight section of the escalator 10, the driving device includes a power compartment 100, a fuel compartment 300 and a battery compartment 200, a motor 110 and a driving wheel 400 are located at the power compartment 100, a hydrogen cylinder 310 is located at the fuel compartment 300, a hydrogen fuel cell 210 and a storage battery 600 are located at the battery compartment 200, and different components are respectively placed in different compartments to facilitate management and reduce safety hazards. Specifically, the power compartment 100 is located at the upper straight section of the escalator 10, a fuel compartment 300 and a battery compartment 200 are provided at the end of the power compartment 100 away from the motor, the fuel compartment 300 and the battery compartment 200 may be formed by welding partition plates, and the battery compartment 200 is located between the power compartment 100 and the fuel compartment 300.

In some embodiments of the present invention, the fuel compartment 300, the battery compartment 200 and the power compartment 100 are provided with compartment doors (not shown) for facilitating the operation of the fuel compartment 300, the battery compartment 200 and the components in the power compartment 100 by the workers.

In some embodiments of the present invention, a hydrogen concentration detector (not shown) is disposed in the fuel compartment 300 to detect the hydrogen concentration in the fuel compartment 300. It is understood that the hydrogen cylinder 310 may be provided with a hydrogen concentration detector to remind the operator to replenish hydrogen in time.

In some embodiments of the present invention, as shown in fig. 1, the side wall of the cell compartment 200 is mounted with an air cleaner 700, the inlet of the air cleaner 700 communicates with the outside of the cell compartment 200, and the outlet communicates with the hydrogen fuel cell 210, so as to prevent some impurities from entering the hydrogen fuel cell 210 to damage the hydrogen fuel cell 210.

In some embodiments of the present invention, as shown in fig. 1, four hydrogen cylinders 310 are provided, a frame 120 is fixedly disposed in the fuel compartment 300, the four hydrogen cylinders 310 are fixedly disposed on the frame 120, the four hydrogen cylinders 310 are provided to reduce the frequency of the staff inflating the fuel compartment 300, and the frame 120 is made of steel and is fixed to the bottom of the fuel compartment 300 by bolts. It should be noted that the number of the hydrogen cylinders 310 may also be three, five or six, and is not limited herein.

In some embodiments of the present invention, as shown in fig. 1, the hydrogen fuel cell 210 is provided with a heat sink 800, which extends the life of the hydrogen fuel cell 210.

In some embodiments of the present invention, as shown in fig. 1, the motor 110 is disposed on the base 130, and the base 130 is fixed to the truss 900 of the escalator 10, further simplifying the size of the drive unit and facilitating field installation and configuration.

The operating principle of the hydrogen fuel cell 210 is as follows: hydrogen is input into the hydrogen fuel cell 210, air is input into the hydrogen fuel cell 210 through the air filter 700, electrons of hydrogen atoms are blocked by a proton exchange membrane (protons pass through the proton exchange membrane) under the action of a catalyst, and are conducted from a negative electrode to a positive electrode through an external circuit to react with oxygen to generate pure water, so that electric energy is generated.

In some embodiments of the present invention, the escalator 10 is an outdoor escalator 10, and the activity of hydrogen is suitable for outdoor use, which is not easy to cause a large amount of accumulation of hydrogen. Further, a wind power generation device and/or a photovoltaic power generation device (not shown in the figure) can be additionally arranged, the wind power generation device and the photovoltaic power generation device are connected with the storage battery 600, hydrogen is produced through the electrolytic cell and stored, finally, the escalator 10 can continuously operate by filling hydrogen, only purified water is discharged, no pollution is caused to the environment, a closed-loop operation of green electricity production and green electricity utilization is formed, low carbon and environmental protection are achieved, and wind, light and hydrogen storage integrated driving is achieved.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A drive device for an escalator, comprising:

the output shaft of the motor is connected with the driving wheel;

the hydrogen fuel cell is arranged on one side of the motor and is connected with the motor through a voltage converter;

and the hydrogen cylinder is communicated with the hydrogen inlet of the hydrogen fuel cell.

2. The escalator drive according to claim 1, further comprising a battery connected to the hydrogen fuel cell and the motor.

3. Escalator drive according to claim 2, characterized in that the battery is a lithium battery.

4. The escalator drive according to claim 3, wherein said drive includes a power compartment, a fuel compartment, and a battery compartment, said motor and said drive wheels being located in said power compartment, said hydrogen cylinders being located in said fuel compartment, and said hydrogen fuel cell and said battery being located in said battery compartment.

5. Escalator drive according to claim 4, characterized in that the fuel compartment, the battery compartment and the power compartment are provided with compartment doors.

6. An escalator drive according to claim 4, wherein a hydrogen concentration detector is provided in the fuel compartment.

7. The escalator drive according to claim 4, wherein an air cleaner is mounted to a side wall of the battery compartment, an inlet of the air cleaner communicates with an outside of the battery compartment, and an outlet communicates with the hydrogen fuel cell.

8. The escalator drive device according to claim 4, wherein the hydrogen cylinders are provided in plurality, a frame is fixedly arranged in the fuel tank, and the hydrogen cylinders are fixedly arranged on the frame.

9. Escalator drive according to claim 1, characterized in that a radiator is mounted on the hydrogen fuel cell.

10. Escalator drive according to one of claims 1-9, characterized in that the motor is arranged on a base which is fixed to the truss of the escalator.