In order to actively respond to global climate change, it has become an international consensus to achieve the goal of “carbon neutrality”. For a long time, Shanghai Mitsubishi Elevator has been actively taking various measures to minimize the environmental impact of elevators and escalators in the life cycle, and promote the realization of the “carbon neutrality” goal.
Nội dung
Advanced energy saving and emission reduction technology
1. Energy feedback system
In the generator state, the energy is fed back to the grid, which saves about 30% energy compared with the traditional method. And through rectification technology, the generation of harmonics is reduced, and green energy is fed back.
★ Unique to Mitsubishi
2. PM traction machine with articulated stator core technology
The traction machine adopts the articulated stator iron core technology, and the iron core can be separated like a hinge, so that the coil is wrapped more tightly, the size of the traction machine is smaller, and the performance and efficiency are both improved.
3. PM door operator system
The whole series of products adopts the direct drive technology of ultra-thin PM door operator, which has high transmission efficiency and can realize smooth, silent and energy-saving door opening and closing operation.
4. Energy saving function
Shanghai Mitsubishi Elevator realizes more efficient elevator energy-saving operation through functions such as digital control and distribution control. When the elevator is not in use, the ventilation device and lighting in the car will be automatically turned off, and the landing display will be dimmed. These features help save about 700 kWh of electricity per elevator per year, based on an 8-hour shutdown per day.
5. Escalator light load energy saving
When the escalator is running at light load, the input voltage of the motor is reduced, thereby reducing the running power loss.
6. Smart Passenger Sensing Device EsPDS
The traditional variable frequency escalator will start immediately no matter whether passenger is actually taking the escalator or passing by. Shanghai Mitsubishi escalator EsPDS device adopts TOF (Time-of-Flight) technology, which can save energy by detecting the tendency of passenger movement direction in real time, omitting the false start caused by passing.
7. Full LED lighting technology
The car lighting of Shanghai Mitsubishi Elevator and the handrail lighting of escalators all use LED light sources, which can not only reduce the frequency of light source replacement and lighting energy consumption, but also reduce the harm of mercury and other harmful substances, reflecting the product design concept of energy saving and environmental protection.
8. DC-DC power system
Shanghai Mitsubishi Elevator replaces the traditional transformer power supply with the power supply system of full switching power supply, which has the characteristics of small size, high safety, high reliability and strong anti-interference ability, and the energy consumption is reduced by 20% compared with the traditional transformer power supply.
Use environmentally friendly materials
Shanghai Mitsubishi Elevator actively uses environmentally friendly materials. The guide shoes and ropes of the elevator only need a very small amount of lubricating oil, which significantly reduces the impact on the environment.
Improve traffic efficiency and reduce operating energy consumption
1. Efficiency Mode
Shanghai Mitsubishi’s flagship elevator LEHY-Pro is equipped with “efficiency mode”. After experimental tests, the maximum transportation capacity during peak hours can be increased by more than 20%. In the “efficiency mode”, the elevator puts the efficiency as the first element during operation, and uses the optimization algorithm and related measures to minimize each “stop time” and improve the operation efficiency.
In the renovation project of the South Building of Huadong Construction Group Co., Ltd., 7 LEHY-Pro elevators renovated the original old elevators, upgraded the “efficiency operation mode” and the load speed, which greatly improved the customer’s efficiency experience.
2. Group control function and target level forecast system
For office buildings with a large number of floors, the phenomenon of “difficulty in taking the elevator” often occurs during the peak hours of elevator use such as morning rush hour and lunch rush hour. In order to improve the conveying capacity of the elevator, Shanghai Mitsubishi Elevator has used the Destination Floor Prediction System (DOAS) and the group control function.
Destination Prediction System (DOAS)
It can disperse passengers, avoid car crowding, and minimize the waiting time of passengers and the running time of elevators. After algorithm optimization, elevator groups using Shanghai Mitsubishi DOAS system can increase the conveying capacity by up to 30%.
Group control function
It can support 8 elevators at the same time, and adopts neural network, expert system and fuzzy logic technology, especially in the rush hour and lunch time, which can greatly reduce the waiting time, effectively improve the transportation efficiency, and reduce the operating energy consumption of the building.
★ Unique to Mitsubishi
3. Variable Speed Elevator System (VSE)
The system can operate at speeds above the rated speed depending on the car load, thereby increasing transport efficiency.
4. Product energy-saving certification
Through various energy-saving technologies and designs, the main products of Shanghai Mitsubishi Elevator have achieved Class A energy efficiency certification.
TUV Rheinland double energy-saving certificate:
- VDI 4707 highest grade class A
- ISO 25745 highest grade Class A
Shanghai Mitsubishi Elevator successfully obtained ISO 14001 Environmental Management System Certification. In order to minimize the negative impact of corporate activities on the environment, we have adopted environmentally friendly manufacturing technologies and production steps in the production process, and are committed to improving manufacturing processes and reducing scrap rates to protect the environment.
We insist on fulfilling our corporate environmental responsibility and are committed to doing our best to improve the environment.
We know that protecting the environment is to protect human beings and prolong their lives. In order to ensure that the company’s pollutant emissions meet the standards, the company has adhered to the implementation of a three-level monitoring system (company internal testing, entrusted third-party testing, government supervision and testing) for many years, and the safe disposal rate of factory waste up to 100%. In 2019, we passed the fourth batch of green factory assessments and were awarded the national “green factory”.
We have developed logistical guidelines to determine the number of containers or crates to be stacked inside the truck based on the package shape, increasing loading capacity. Adopting these measures reduces truck usage and, accordingly, CO² emissions .
Smart services and spare part extended life span
1.Leading scaffold-free installation process
In order to reduce the time and energy consumption required for installation, we have improved the installation method, adopted a scaffold-free installation process, abandoned the cumbersome scaffolding construction and dismantling, shortened the installation cycle, and saved time and waste of consumables.
At the same time, we have improved and used smaller and lighter mounting equipment to reduce the negative impact on the environment.
2.Smart Service EleCare®
By monitoring the operation of each elevator through the user service center, we can provide remote fault diagnosis and carry out targeted predictive maintenance services, so that traditional maintenance services can be upgraded to more efficient and reliable smart services, and energy waste is avoided.
In the Shanghai Mitsubishi Central Laboratory, we are committed to extending the service life of elevator components through higher reliability design, more stringent material selection, and repeated testing. In the whole life cycle of the building, using elevator products produced with higher standards will lower the operation and maintenance cost, and effectively reduce the frequency of repair, transformation and replacement during use. The longer the product can be used, the less resources need to be obtained from the earth to manufacture new products, which is also one of the focuses of Shanghai Mitsubishi’s efforts to protect the environment.
3. Designed for longer life
The traction machine brakes, door systems, power modules, buttons and other components of Shanghai Mitsubishi Elevator have a long design life, and there are few or no replacements in the whole life cycle.
Design basis higher than the national standard
- Brake design action life:
15 million times, the industry average is about 7 million times
- The design action life of the landing door system:
3 million times, the industry average is about 2.3 million times
- Design action life of car door system:
13.5 million times, the industry average is about 5 million times
- Button Design Action Lifespan:
5 million times, the industry average is about 3 million times
- Control cabinet:
The inverter power module does not need to be replaced in the whole life cycle.
Elevators with a long service life also mean a longer period of low failure. Such products have higher value in terms of cost of use and riding experience, and achieve the goal of being more environmentally friendly and saving energy.
4. Refurbishment of reserved parts
In the Shanghai Mitsubishi update and optimization plan, it is possible to choose to retain the original guide rails, sills, door covers and other components, which not only reduces the construction work surface, shortens the project construction period, but also effectively reduces the impact of dust, noise and smoke during construction, and avoid unnecessary resource consumption.
Where the green goes, where the heart goes
In the future, Shanghai Mitsubishi will take more responsibility
Continue to deeply practice the concept of green development
Improve product quality and service levels
Contribute to the global green energy conservation cause
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