Composition of electric wheelchair for the elderly

1. Controller: the controller is the heart of the electric wheelchair

2. Motor (including gear box): electric wheelchair motor is divided into two categories: brushless motor and brushless motor. Each has its advantages and disadvantages. The carbon brush of the brush motor needs to be replaced regularly, but the inertia is very small when driving; Brushless motor needs no maintenance, but it has slight inertia when it is fast. The quality of motor depends on the material of magnetic cylinder and coil. So there is a price difference. When purchasing an electric wheelchair, you can compare and observe factors such as the workmanship, power and noise of the motor. The gear box is matched with the motor. The quality of the gear box depends on the metal material and sealing performance. As there are gears in the gearbox engaging and rubbing with each other, lubricating oil is required, so the sealing performance of oil seal and seal ring is very important.

3. Batteries: Batteries are divided into lithium batteries and lead-acid batteries. Lithium batteries are small in size, light in weight, have more cycles of charging and discharging, and have longer service life, but are more expensive; The price of lead-acid battery is affordable, but the volume and weight are large, and the cycle charging and discharging times are only about 300-500. Lithium battery electric wheelchair is relatively light, generally about 25kg.

4. The electromagnetic brake is an essential safety guarantee for an electric wheelchair. In order to reduce the cost, many electric wheelchairs on the market remove the electromagnetic brake function, and the matching motor gearbox and other necessary parts are reduced accordingly. This kind of electric wheelchair can be driven on a flat road, but it will slide when driving on an uphill or downhill road. It is simple to judge whether an electric wheelchair has the function of automatic braking. When purchasing, turn off the power of the electric wheelchair and push it forward. If it can be pushed slowly, it means that this electric wheelchair does not have the function of electromagnetic braking, and vice versa.

5. Electric wheelchair frame: The difference between the frame is the rationality of material and structure design. The frame materials are mainly divided into iron sheet, steel pipe, aluminum alloy and aerospace aluminum alloy (7-series aluminum alloy); Aluminum alloy and aerospace aluminum alloy frames are lighter and more compact, with different production processes and equipment and higher cost compared with other frames. The reasonable form of electric wheelchair frame structure design is most easily ignored by consumers. Wheelchair frames made of the same material have different structural design, different riding comfort and different service life.

TOPMEDI Co., Ltd. is a professional medical supplier with the ambition to be one of the best and the key rehabilitation equipments supliers in China. Our main products include Electric Wheelchair, Sports Wheelchair, Brain Paralysis Wheelchair, Hospital Bed, Walking Aids,Shower Chair and Commode. Our wheelchair factory is a leading manufacturer of wheelchair and rehabilitation equipments in China. The workshop covers an area of 30,000 squarer meters，with the annual production capacity of 500,000 wheelchairs, 2000,000 walking aids, and 10,000 hospital beds. TOPMEDI products have been well accepted in 80 countries and regions, mainly Australia, America, Europe, Middle East and Asia, covering both high end and middle end market，and enjoy high reputation among customers. TOPMEDI would like to join hands with our partners all around the world for our promising future!