CN204624888U - Solar powered and energy recovery for elevator - Google Patents

Abstract

The utility model belongs to energy-conserving elevator field, particularly open a kind of solar powered and energy recovery for elevator, a kind of environmental protection and energy saving are provided and solar powered and energy recovery for elevator that is solar powered and elevator electric energy recovery can be made full use of, comprise power supply, electric control system and elevator body, power supply comprises solar energy conversion module, voltage preferred module, civil power, electrical source exchange module and electric energy recycling module, electric energy recycling module runs for reclaiming Elevator power generation the electric energy produced, the input end of voltage preferred module and solar energy conversion module, civil power and electric energy recycling module are all electrically connected, the mouth of voltage preferred module is electrically connected with storage battery, the mouth of solar energy conversion module is also electrically connected with city by grid-connected module, electrical source exchange module has two input ends, one is electrically connected with civil power, another is connected with storage battery by inverter, electrical source exchange module is electrically connected with electric control system by contactless switch KM1.

Description

Solar Powered and Energy Recovery Elevators

Technical field:

The utility model belongs to the field of energy-saving elevators, in particular to an elevator powered by solar energy and energy recovered.

Background technique:

The elevator includes a power supply, a control system and the elevator body. The power supply introduces the mains power into the elevator electrical control system to provide power for the operation of the elevator body. Most of the existing elevators are only connected to the mains power grid. When the mains suddenly fails or loses power, the elevator stops running, and people trapped in the elevator can only use the alarm device to ask for help outside. In addition, the existing elevators are often operated in the state of power generation, which generates a considerable amount of electric power, which is wasted, which is not conducive to the improvement of the elevator's environmental protection performance.

Invention content:

The utility model overcomes the deficiencies of the prior art, solves the problems of the prior art, and aims to provide an elevator powered by solar energy and energy recovery that is environmentally friendly and energy-saving and can make full use of solar power supply and elevator electric energy recovery.

In order to solve the above-mentioned technical problems, the technical solution adopted by the utility model is: a solar power supply and energy recovery elevator, including a power supply, an electrical control system and an elevator body, the power supply is electrically connected to the electrical control system through a contactor KM1, and the electrical control system The system controls the movement of the elevator body;

The power supply includes a solar energy conversion module, a voltage optimization module, a commercial power supply, a power switching module, and an electric energy recovery module electrically connected to the output end of the electric control system power supply. The input end of the voltage optimization module is electrically connected to the solar energy conversion module, the mains power supply and the electric energy recovery module, the output end of the voltage optimization module is electrically connected to a storage battery, and the voltage optimization module is used to select a charging power source for charging the storage battery. The output end of the solar conversion module is also connected to the mains through the photovoltaic grid-connected module. The photovoltaic grid-connected module is used to directly incorporate the electric energy of the solar conversion module into the mains power grid. The power switching module is used for battery power supply and mains power supply circuit. On-off, it has two input terminals, one is electrically connected to the mains, the other is electrically connected to the battery through the inverter, and the power switching module is electrically connected to the electrical control system through the contactor KM1.

Further, the output end of the electrical control system is connected to the main motor of the elevator body, and is used to control the power supply frequency of the motor.

Further, the power supply further includes a display module, which is used to display the input voltage and output voltage.

Further, the display module is a liquid crystal display.

Further, the solar energy conversion module is a solar photovoltaic cell.

Compared with the prior art, the utility model has the following beneficial effects: the utility model uses the solar energy conversion module to store part of the converted electric energy in the storage battery to supply power for the elevator operation, and the other part supplies power to the mains power grid through the photovoltaic grid-connected module. By adding the electric energy recovery module to recycle the electric energy generated during the operation of the elevator and store it in the battery, it can replace part of the mains power grid energy, thereby improving the energy saving and environmental protection performance of the elevator. When the mains power is cut off, the electric energy stored in the battery can be used to provide electric energy for the operation of the elevator body to ensure the normal operation of the elevator and improve the efficiency of the elevator.

Description of drawings:

Below in conjunction with accompanying drawing, the utility model is described in further detail

Fig. 1 is a front structural schematic diagram of the utility model.

In the figure: 1 is the power supply, 2 is the electrical control system, 3 is the main motor, 4 is KM1, 5 is the solar energy conversion module, 6 is the voltage optimization module, 7 is the mains power, 8 is the power switching module, and 9 is electric energy recovery Modules, 10 is a storage battery, 11 is a photovoltaic grid-connected module, and 12 is an inverter.

Detailed ways:

As shown in Figure 1, the solar power supply and energy recovery elevator includes a power supply 1, an electrical control system 2 and an elevator body, the power supply 1 is electrically connected to the electrical control system 2 through a contactor KM1, and the electrical control system 2 controls the elevator body sports;

The power supply 1 includes a solar conversion module 5, a voltage optimization module 6, a commercial power supply 7, a power switching module 8, and an electric energy recovery module 9 electrically connected to the output end of the electric control system 2, and the electric energy recovery module 9 is used for recycling The electric energy generated by the elevator power generation operation, the input end of the voltage optimization module 6 is electrically connected to the solar conversion module 5, the mains 7 and the electric energy recovery module 9, and the output end of the voltage optimization module 6 is electrically connected to the storage battery 10. The voltage optimization module 6 is used to select the charging power source for charging the storage battery 10, and the output terminal of the solar conversion module 5 is also connected to the mains 7 through a photovoltaic grid-connected module 11, and the photovoltaic grid-connected module 11 is used to convert the electric energy of the solar conversion module 5 Directly merged into the mains 7 power grid, the power switch module 8 is used for the power supply of the battery 10 and the on-off of the mains 7 power supply circuit. It has two input terminals, one is electrically connected to the mains 7, and the other is connected through the inverter 12 It is electrically connected to the storage battery 10, and the power switching module 8 is electrically connected to the electrical control system 2 through the contactor KM1.

The working process of the present utility model: when the battery 10 power supply is fully charged, the power switch module 8 controls the battery 10 circuit conduction to supply power to the elevator body; Connect the mains 7 power supply circuit, utilize the mains 7 to supply power for the elevator. Remaining 50% electric quantity in the accumulator 10 is used in case the mains 7 suddenly loses power or loses power.

When the power of the storage battery 10 is insufficient, the power supply optimization module first selects the electric energy recovery module 9 to charge the storage battery 10, and stores the electric energy generated by the elevator in the storage battery 10; The storage battery 10 is charged to form the self-contained power supply of the elevator. When the storage battery 10 is fully charged, the solar energy conversion module 5 supplies electricity to the mains 7 through the photovoltaic grid-connected module 11 .

Further, the output end of the electrical control system 2 is connected to the main motor 3 of the elevator body, and is used to control the power supply frequency of the motor.

In addition, the power supply 1 also includes a display module, which is used to display the input voltage and output voltage. The operating status of the power supply 1 can be monitored in real time. The display module is a liquid crystal display.

In addition, the solar energy conversion module 5 may use solar photovoltaic cells.

The above content has been described in detail for specific embodiments of the present invention in combination with the accompanying drawings of the embodiments. Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other.

The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Within the scope of knowledge of those of ordinary skill in the art, various modifications can be made without departing from the gist of the present invention. kind of change.

Claims (5)

1. A solar-powered and energy-recovery elevator, characterized in that it includes a power supply (1), an electrical control system (2) and an elevator body, the power supply (1) communicates with the electrical control system (2) through a contactor KM1 (4) ) Electrical connection, electrical control system (2) Control the movement of the elevator body; The power supply (1) includes a solar energy conversion module (5), a voltage optimization module (6), a mains power supply (7), a power switching module (8) and a power recovery unit electrically connected to the output terminal of the power supply of the electrical control system (2). module (9), the power recovery module (9) is used to recover the electric energy generated by the power generation operation of the elevator, the input terminal of the voltage optimization module (6) is connected with the solar conversion module (5), the mains power (7) and the power recovery The modules (9) are electrically connected, the output terminal of the voltage optimization module (6) is electrically connected to the storage battery (10), the voltage optimization module (6) is used to select the charging power source for charging the storage battery (10), and the solar energy conversion The output end of the module (5) is also connected to the mains (7) through the photovoltaic grid-connected module (11), and the photovoltaic grid-connected module (11) is used to directly merge the electric energy of the solar conversion module (5) into the mains (7) power grid , the power switching module (8) is used for switching on and off the battery (10) power supply and the mains (7) power supply circuit. It has two input terminals, one is electrically connected to the mains (7), and the other The switch (12) is electrically connected to the storage battery (10), and the power switching module (8) is electrically connected to the electrical control system (2) through the contactor KM1 (4). 2. The elevator powered by solar energy and energy recovery according to claim 1, characterized in that: the output end of the electrical control system (2) is connected to the main motor (3) of the elevator body for controlling the motor power supply frequency. 3. The elevator powered by solar energy and energy recovery according to claim 2, characterized in that the power supply (1) further includes a display module for displaying input voltage and output voltage. 4. The elevator powered by solar energy and energy recovery according to claim 3, characterized in that: the display module is a liquid crystal display. 5. The elevator powered by solar energy and energy recovery according to claim 1, characterized in that: the solar energy conversion module (5) is a solar photovoltaic cell.