CN215885953U - Elevator with a movable elevator car - Google Patents

Abstract

The utility model discloses a lifting elevator, which comprises an elevator shaft, wherein the elevator shaft is provided with a driving bin, a fuel bin and a battery bin, a tractor is arranged in the driving bin, a hydrogen cylinder is arranged in the fuel bin, and a hydrogen fuel cell and a voltage converter are arranged in the battery bin, wherein the hydrogen cylinder is communicated with the hydrogen fuel cell, and the hydrogen fuel cell is connected with the tractor through the voltage converter. The elevator according to the embodiment of the utility model has at least the following advantages: the hydrogen fuel cell generates electric energy when chemical reaction occurs, then the voltage of the electric energy output by the hydrogen fuel cell is converted into voltage suitable for the tractor through the voltage converter, so that the tractor of the elevator is driven to operate, and under the normal condition, the hydrogen source is stable and continuous, so that the power generation of the hydrogen fuel cell has stability and continuity and can be directly used for driving the tractor.

Description

Elevator with a movable elevator car

Technical Field

The utility model relates to the technical field of elevators, in particular to a power device of an elevator.

Background

With the rapid development of economy and the improvement of living standard of people, the number of people who travel every year is increased, so that the flowing pressure of people in scenic spots is increased, particularly the entrances and exits of some scenic spots, and some scenic spots are provided with a lifting elevator at a specific position to relieve the situation.

Renewable energy sources such as wind resources or light resources and the like in a plurality of natural scenic spots are abundant, so that the elevator can be driven by wind energy and/or solar energy to achieve energy conservation and environmental protection. However, the instability and discontinuity of power generation exist in wind energy or photovoltaic power generation, and the wind energy or photovoltaic power generation is not suitable for being directly incorporated into a power grid for use or being directly used for driving electric equipment.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a lifting elevator adopting a hydrogen fuel cell.

The elevator comprises an elevator shaft, wherein the elevator shaft is provided with a driving bin, a fuel bin and a battery bin, a tractor is arranged in the driving bin, a hydrogen bottle is arranged in the fuel bin, and a hydrogen fuel cell and a voltage converter are arranged in the battery bin, wherein the hydrogen bottle is communicated with the hydrogen fuel cell, and the hydrogen fuel cell is connected with the tractor through the voltage converter.

The elevator according to the embodiment of the utility model has at least the following advantages: the hydrogen fuel cell generates electric energy when chemical reaction occurs, then the voltage of the electric energy output by the hydrogen fuel cell is converted into voltage suitable for the tractor through the voltage converter, so that the tractor of the elevator is driven to operate, and under the normal condition, the hydrogen source is stable and continuous, so that the power generation of the hydrogen fuel cell has stability and continuity and can be directly used for driving the tractor.

According to some embodiments of the utility model, a storage battery is further disposed in the battery compartment, and the storage battery is connected with the hydrogen fuel cell and the traction machine.

According to some embodiments of the utility model, the bunker is located at the top of the elevator shaft, and a cover plate at the top of the bunker is provided with a plurality of ventilation slots.

According to some embodiments of the utility model, the fuel tank and the hydrogen cylinders are each provided with a hydrogen concentration detector.

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

According to some embodiments of the utility model, the fuel compartment, the battery compartment and the drive compartment are each provided with a ladder and a maintenance platform.

According to some embodiments of the present invention, 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.

According to some embodiments of the utility model, the side wall of the battery compartment is further mounted with a heat sink.

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

According to some embodiments of the utility model, the fuel silo is fitted with a ventilation fan.

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 view of a hoisting elevator according to an embodiment of the present invention.

Reference numerals:

a hoist 10;

the elevator shaft 100, the driving bin 110, the fuel bin 120, the cover plate 121, the battery bin 130, the car bin 140, the buffer bin 150, the air filter 160, the radiator 170, the frame 180 and the ventilation fan 190;

a traction machine 200, a guide wheel 210; hydrogen cylinder 300, hydrogen fuel cell 400, voltage converter 500, cage 600, counterweight 700, buffer 800, and battery 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 elevator 10 according to an embodiment of the present invention is described below with reference to fig. 1.

The elevator 10 comprises an elevator shaft 100, the elevator shaft 100 is provided with a driving bin 110, a fuel bin 120 and a battery bin 130, a tractor 200 is arranged in the driving bin 110, a hydrogen cylinder 300 is arranged in the fuel bin 120, and a hydrogen fuel cell 400 and a voltage converter 500 are arranged in the battery bin 130, wherein the hydrogen cylinder 300 is communicated with the hydrogen fuel cell 400, and the hydrogen fuel cell 400 is connected with the tractor 200 through the voltage converter 500.

Specifically, the elevator shaft 100 has a cylindrical structure, and may have a cylindrical or square cylindrical shape, which is not limited herein. The elevator shaft 100 is sequentially provided with a fuel bin 120, a battery bin 130, a driving bin 110, a car bin 140 and a buffer bin 150 from top to bottom, a tractor 200 is arranged in the driving bin 110, a hydrogen cylinder 300 is arranged in the fuel bin 120, a hydrogen fuel cell 400 and a voltage converter 500 are arranged in the battery bin 130, a car 600, a counterweight block 700 and a guide wheel 210 are arranged in the car bin 140, and a buffer 800 is arranged in the buffer bin 150. Normally, if the hydrogen source is stable and continuous, the hydrogen fuel cell 400 can be used to drive the hoisting machine 200 as it is with stability and continuity in generating power.

In the present invention, the hydrogen fuel cell 400 is used as a main electric energy source, the hydrogen fuel cell 400 generates electric energy by a chemical reaction, and the voltage of the electric energy output from the hydrogen fuel cell 400 is converted into a voltage suitable for the hoist 200 by the voltage converter 500, so as to drive the hoist 200 of the elevator 10 to operate.

In some embodiments of the present invention, as shown in fig. 1, a storage battery 900 is further disposed in the battery compartment 130, and the storage battery 900 is connected to the hydrogen fuel cell 400 and the traction machine 200. Because the hydrogen fuel cell 400 has a certain time delay, the normal operation of the elevator 10 is ensured and the response speed is increased by adding the storage battery 900 and using the storage battery 900 as a power supply at the moment of starting and stopping. And when there is a margin in the output of the hydrogen fuel cell 400, the hydrogen fuel cell 400 can charge the battery 900. Battery 900 may also serve as a backup power source to provide backup power for emergency devices on elevator 10.

In some embodiments of the present invention, battery 900 is a lithium battery, which has the advantages of long life and small size. The battery 900 may be a lead-acid battery.

In some embodiments of the present invention, as shown in fig. 1, the fuel bin 120 is located at the top of the elevator shaft 100, the battery bin 130 is located below the fuel bin 120, the driving bin 110 is located below the battery bin 130, a cover plate 121 at the top of the fuel bin 120 is provided with a plurality of ventilation slots, the fuel bin 120 is located at the highest position of the elevator shaft 100, and a cover plate 121 at the top of the fuel bin 120 is provided with a plurality of ventilation slots (not shown in the figure), so that a large amount of hydrogen can be prevented from accumulating inside, and the hydrogen can be rapidly discharged upwards without obstacles, thereby preventing the hydrogen from accumulating inside for a long time.

In some embodiments of the present invention, a hydrogen concentration detector (not shown) is disposed in the fuel tank 120 to detect the hydrogen concentration in the fuel tank 120. It is understood that the hydrogen cylinder 300 may be provided with a hydrogen concentration detector to remind the operator of replenishing the hydrogen gas in time.

In some embodiments of the present invention, the fuel compartment 120, the battery compartment 130 and the driving compartment 110 are provided with compartment doors (not shown) to facilitate the operation of the components in the fuel compartment 120, the battery compartment 130 and the driving compartment 110 by workers.

In some embodiments of the present invention, the fuel compartment 120, the battery compartment 130 and the drive compartment 110 are configured with a ladder (not shown) and a maintenance platform (not shown) for easy maintenance by a worker.

In some embodiments of the present invention, as shown in fig. 1, the side wall of the battery compartment 130 is mounted with an air cleaner 160, an air inlet of the air cleaner 160 communicates with the outside of the elevator shaft 100, and an outlet of the air cleaner 160 communicates with the hydrogen fuel cell 400, so as to prevent some impurities from entering the hydrogen fuel cell 400 to damage the hydrogen fuel cell 400.

In some embodiments of the present invention, as shown in fig. 1, the side wall of the battery compartment 130 is further installed with a heat sink 170, which extends the life of the hydrogen fuel cell 400.

In some embodiments of the present invention, as shown in fig. 1, four hydrogen cylinders 300 are provided, a frame 180 is fixedly disposed in the fuel bin 120, the four hydrogen cylinders 300 are fixedly disposed on the frame 180, the four hydrogen cylinders 300 are disposed to reduce the frequency of the staff inflating the fuel bin 120, and the frame 180 is made of steel and is fixed to the bottom of the fuel bin 120 by bolts. It should be noted that the number of the hydrogen cylinders 300 may be three, five, or six, and is not limited herein.

In some embodiments of the present invention, as shown in fig. 1, the fuel container 120 is installed with a ventilation fan 190, and when the built-in hydrogen concentration detector detects that the hydrogen concentration exceeds the threshold value, the ventilation fan 190 is turned on to reduce the hydrogen concentration in the fuel container 120.

The hydrogen fuel cell 400 operates on the principle: hydrogen is input into the hydrogen fuel cell 400, air is input into the hydrogen fuel cell 400 through the air filter 160, 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 purified water, so that electric energy is generated.

In some embodiments of the present invention, elevator 10 is an outdoor elevator, and the activity of hydrogen is more suitable for outdoor use, which does not easily result in a large accumulation of hydrogen. Furthermore, 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 900, hydrogen is produced through the electrolytic cell for storage, finally the elevator 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 (10)

1. A hoisting elevator, characterized by comprising:

the elevator shaft is provided with a driving bin, a fuel bin and a battery bin, a tractor is arranged in the driving bin, a hydrogen cylinder is arranged in the fuel bin, a hydrogen fuel cell and a voltage converter are arranged in the battery bin, the hydrogen cylinder is communicated with the hydrogen fuel cell, and the hydrogen fuel cell is connected with the tractor through the voltage converter.

2. The elevator according to claim 1, wherein a battery is further provided in the battery compartment, and the battery is connected to the hydrogen fuel cell and the traction machine.

3. The elevator according to claim 2, wherein the fuel tank is located at the top of the elevator shaft, and a cover plate at the top of the fuel tank is provided with a plurality of ventilation slots.

4. The elevator according to claim 1, characterized in that the fuel tank and the hydrogen cylinders are each provided with a hydrogen concentration detector.

5. The elevator according to claim 1, characterized in that the fuel compartment, the battery compartment and the drive compartment are provided with compartment doors.

6. The elevator according to claim 5, characterized in that the fuel compartment, the battery compartment and the drive compartment are each provided with a ladder and a service platform.

7. The elevating elevator according to claim 1, 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 elevator according to claim 7, characterized in that the side walls of the battery compartment are also fitted with heat sinks.

9. The elevator according to claim 1, wherein a plurality of hydrogen cylinders are provided, a frame is fixedly provided in the fuel tank, and a plurality of hydrogen cylinders are fixedly provided in the frame.

10. The elevator according to any of claims 1-9, characterized in that the fuel compartment is equipped with a ventilation fan.

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