preface

Smart and light, this is a kind of motorcycle that young people like.

Modern aviation aluminum alloy frame, with stepping and lithium battery assisted dual hybrid power, combined with smart app, using Bluetooth connection, supporting USB power supply, external mobile phone and other Do application expansion, the model is dynamic, delicate, small and slim, and gathers popular application selling points. How can this motorcycle not be liked by young people

If you want to have a short journey, this motorbike is very suitable. The hybrid electric power, combined with manual pedaling, can ride to the distance you want, 20 kilometers, 50 kilometers or 100 kilometers. You can walk as far as you want;

If you want to use the daily function of commuting, this motorbike is very convenient, light, innovative and flexible. During the endurance period of 20km+50km, the electric power can support, without worrying about traffic jams and crowding, you can ride to see the scenery at the same time;

If you want to have an entertaining Hipi, this motorcycle is very easy to use. The USB power supply function allows you to connect the mobile phone on the body, PAD， Navigation, , lighting equipment, sound and light, it is not a dream to get up on the high leather, as long as you want, this is a mid drive platform that can provide power;

Every new product has its own differences. Products based on practical applications will be remembered, creative products will be impressed, and products with characteristics that can change life will be respected. Industrial products will always have a long cycle of twists and turns through design, research and development, finalization, production, and application, from one detail improvement to one part finalization, What condenses is the mind. Maybe it is not the most perfect and functional at this moment. Maybe it will be better next time. Look at the products with a development perspective. Maybe the newly created products can not be perfect everywhere, but as long as we strive to pursue in the continuous progress, we should place support and high hopes;

Experience part

■ Direction of use:

Standing here, one car, one wheel, one ride; Walking through the city, the characteristics of individuality and the modern sense of design show the simplicity in simplicity and the slim temperament in lightness;

City, cross-border, outing, travel, leisure, sports, comfortable, comfortable, helpful, dynamic; From inside to outside is temperament, from outside to inside is quality; Change the way of city cycling to make it more fun;

■ Product effect:

Yunma Smart Drive C1 is a hybrid light electric bicycle that defines lightweight power assistance. The evaluation product is dark black in full color, matched with bright metal rims and chains in primary color, and combined with the orange color of the battery, the color matching is stable and steady; In the direction of use, it is more inclined to comfortable use, convenient life, and more applications. In the direction of application, it is more inclined to better urban roads, relatively flat rural roads, slightly rough gravel roads, and slightly undulating field roads;

Concise, simple and simple; With the most practical combination of functions and structures, the motorcycle even has no mudguards for wheels, nor is it equipped with chain protection. At first glance, the appearance of the motorcycle has a sense of body, and the design consideration is really the most practical level to meet the needs of urban cycling;

■ Features of motorcycle:

Of course, the following featured technical accessories and designs are applied to this Yunma Intelligent Driving C1 motorcycle;

For example, modular design, modular assemblies of the car include, dial, headlights, ECU， Controller, lithium ion battery, speed sensor, motor; It is expected that there will be more room for expansion to create an ergonomic aviation grade aluminum alloy frame; The power configuration is technically equipped with 3-axis acceleration sensor and 3-axis gyroscope;

The self-developed YUNBIKE power drive system can be allocated with 5 power assist modes;

Power output with increased efficiency, transmission conversion efficiency reaches 86% nominal;

Use Samsung lithium-ion battery; High density cell, continuous and stable energy output; The application is configured with multiple power protection such as temperature, PTC protection, short circuit protection, charging overvoltage, overcurrent protection, charging reverse prevention, battery over discharge, etc;

Power off brake handle; LED headlights; Integration of App bike management and community interaction; Intelligent ECU control system;

■ Packaging accessories:

Yunma Smart Train C1 motorcycle uses paper shell to fix the package of the whole vehicle;

After unpacking, the whole vehicle is basically assembled. As long as you adjust and install the handlebar, adjust and install the seat, install the pedal, install the lithium battery and connect the power supply, and deploy the front and rear braking effects, the whole vehicle is assembled and installed simply and conveniently;

The accessories provided by the evaluation product are, Rack * 1, lithium-ion battery * 1, power charger * 1, installation open-end wrench * 1, installation of 5mm internal hexagonal wrench * 1, flat mouth and cross screwdriver * 1, and tool handle * 1, as well as instructions, warranty, product use and introduction data in an envelope;

■ Motorcycle handlebars:

This evaluation product of Yunma Intelligent Driving C1 Motorcycle adopts horizontal vertical handle, vertical tube and horizontal faucet, horizontal handlebar, rubber ergonomic handlebar cover, and the root of the palm as support, which can feel better supporting force during riding; The handlebar is equipped with a dial type bell; The horizontal straight tube handlebars can be better used to hang other products, such as the mobile phone rack displayed in this car; Of course, it can also be increased And lamps;

The handlebar is connected with the power off brake handle and the power output and control system of the whole vehicle, so that the power is no longer provided when braking, enhancing the use safety;

■ Motor cycle body frame:

Aviation grade aluminum alloy frame, the weight reduction comes from the material of the frame. The men's version is a horizontal straight beam, the women's version is a curved curved beam, the traditional tubular section lathe welding process, the frame is a traditional triangular frame, slightly feel the frame form is slightly monotonous, based on the use of a more unified form of the handlebar and body of the profile, the whole vehicle frame feel simple;

The total weight of the car body is 16kg (including batteries), which is featherweight in the weight of a single car. It is no longer necessary to move cars and climb stairs, which can meet the urban use in terms of weight;

■ Motorcycle seat:

This evaluation product of Yunma Smart Travel C1 motorcycle has a sporty saddle, medium hardness, and a good feeling for the seat. Based on the connection with the cannula, a backward extension handle is made to slightly feel the cushion of the saddle is backward; The position can be discussed and adjusted;

■ Combination of power transmission system of electric bicycle:

One of the remarkable features of the car is the C1 motorbike of Yunma Smart Train, which is the source of the specialty of hybrid power. One of the remarkable features of this motorbike is the combination of motor and human stepping mechanism, and the reduction of volume;

■ Motor of motor cycle power transmission system:

The self-developed YUNBIKE power drive system, combined with 3-axis acceleration sensor and 3-axis gyroscope; 5 power assisted modes can be allocated; 5 gear shift on full manpower, half manpower, half power, and full power modes; It can provide power output with increased efficiency, which is also the core technology of this motorcycle;

■ Flywheel and pedal of power transmission system of electric bicycle:

46T:16T  The transmission gear ratio of, combined with the medium torque pedal handle and the antiskid pedal, can achieve the stability of the pedal movement, can enhance the better dynamic feeling of climbing, and can save energy in riding. Of course, the higher the ratio, the climbing ability will increase, but the speed ability will decline. The transmission gear ratio of 46T: 16T can give consideration to the speed; In terms of ability output of balance, it also performs well. In terms of saving physical strength, it can also get a better riding experience on the basis of losing electric power;

■ Chain of power transmission system of electric bicycle:

High quality metal primary color chain, with a good sense of industrial design; The chain and components are positioned and matched reasonably;

■ Wheel rims and outer tires of motorcycles

The rims of this evaluation product of Yunma Zhike C1 electric bicycle use thin aerodynamic rims close to road bikes, and use thin, medium and smooth outer tires. The rims are 20 inches in size. Based on the reduction of the weight of the whole vehicle, the front and rear rims also try to save weight, because in the power assisted drive of the weight of the whole vehicle, The lighter the weight of the product, the farther it will travel;

The air nozzle of the wheel rim is a spiral compression type air nozzle, which is inflated after loosening, and screwed tightly after flushing; The air nozzle is more stable and reliable than the rubber removing plug air nozzle and the needle type air nozzle;

■ Front brake of motorcycle:

The front and rear brakes of Yunma Zhihua C1 motorbike use the same braking technology and form. The front brake is a vertical V brake, and the steel wire is the traction power of the brake. The brake strength can be adjusted by adjusting the knob. The brake pad is a medium brake pad, which is slightly hard in the braking experience;

■ Rear brake of motorcycle

The rear brake of Yunma Zhihua C1 motorcycle is a horizontal V brake. In terms of brake adjustment, the adjustment knob is relatively convenient, and the strength of the brake arm is OK, which can meet the strength brake needs in use; The evaluator layer continuously downhill tests the rear brake. After proper adjustment, the rear brake can function stably and effectively;

■ Motor cycle front lamp:

This evaluation product of Yunma Intelligent Driving C1 electric bicycle is a single button controlled LED lamp. It is equipped with multiple white LED emitters, which can be divided into two levels. The strong level LED is fully lit, the illumination is increased, the luminous form is direct diffuse reflection, the weak level LED is half of the LED is lit, and the luminous form is also direct diffuse reflection. The control key is on the lamp body, and can be adjusted during riding, However, it can only be realized by reaching out to the lamp body. The light intensity can meet the requirements of night riding. Yunma C1 is equipped with a daily running lamp, which automatically lights up when the power is turned on. It cannot be turned off. The power consumption is low, which improves driving safety and is a design that conforms to international standards.

This evaluation product of Yunma Intelligent Driving C1 electric bicycle uses the lithium-ion battery of Samsung battery cell as the hybrid power boost energy of the whole vehicle. There are 20 18650 battery cells, and the weight of the whole battery is about 1kg. The energy volume of this battery group is small, and the product design also matches the characteristics of the whole vehicle, with orange red color treatment, The energy display lamp with battery and LED is also compatible with tail lamp;

USB port is set, which can be used as standby energy to charge digital devices;

In terms of battery protection, a variety of power protection are used, such as temperature, PTC protection, short circuit protection, charging overvoltage, overcurrent protection, charging reverse prevention, battery over discharge, etc; It can guarantee continuous and stable energy output;

The charging of the power supply is combined with the single port 4-pin charging plug and the energy input of 220V-240V/2A. There is a light prompt for charging;

Application of App;

After installing the app of Yunma Smart Train C1 motorcycle, you can scan the QR code on the car body and bind it to the car body, And intelligent terminal exchange data with C1 motorbike through Bluetooth; It can also reflect the car's power and endurance in real time;

The app has the function of real-time data collection, and the interface can display the current speed, riding time and distance When it is opened, the movement track can be recorded;

The app provides five menu items: garage, community, smart car, neighborhood, and individual;

In the community, you can interact with cyclists. In the Smart Drive option, you can share cars, and communicate with after-sales and manufacturers The map can be viewed in real time based on the positioning application and the surrounding environment; There are driving track records, my posts and personal matters of personal messages in personal options;

The app can intuitively understand the e-bike, and can expand the application to become a social tool;

Of course, we also expect App to do more intuitive and detailed expansion of function applications.

■ Cycling applications:

The motor cycle has a good sense of control when riding. After actual use, the evaluator finally chooses to adjust the seat to the lowest position and dismount at any time, which is a good choice; I also feel that the safety has been improved;

When the brake is powered off, the electric power will automatically lose after braking, and the car's power will slow down. When the car keeps sliding, it can't realize the power assistance again. The brake system needs to be adjusted, and front loosening and rear tightening are skills;

The speed sensor can visually see the display of the code meter when it is still, and the speed will have a certain error space;

In terms of endurance, it failed to achieve the goal of 36km with full power; (Limited by landform conditions) At the price of 2399 yuan, the product is cost-effective. Of course, the energy of large capacity batteries may be the direction of product upgrading;

Practice and cycling

On the weekend, the weather was fair and the haze was mild. Combining the electric power assisted mode with human resources as the auxiliary mode to practice the product, Yunma Smart Drive C1 motorcycle felt the power speed increase obviously when the power was initially switched. In addition, under the electric power assisted mode, the speed sense and handling sense were good, and the handlebars were relatively flexible, How to adjust the sensitivity of handlebars is still unknown; The single car is small in size, easy to operate in the control, and convenient to use the code meter to switch the power mode;

The maximum speed after electric power assistance is about 20km/h ＋; The boost thrust will be lost after exceeding 200km per hour. After the speed drops, it will be transferred to the electric power assistance only after the power is supplemented by manpower. Maintaining the speed evenly is the balance method to continue to provide power assistance;

Long distance human powered riding. The winter weather is slightly cold, and the total non assisted riding is nearly 30 kilometers. The weight of the car body is relatively light. The continuous power transmission after stepping is relatively stable. The smooth road surface can intuitively feel the lightness of the car body and the feeling of fast speed. The ability to ride on gentle slopes and continuous long slopes is significantly reduced, and the power transmission after stepping is slightly insufficient, Based on the tooth pattern characteristics of front and rear tires, long-distance climbing should not be the application direction of the bike's manual riding, and the 20 inch wheel rim can not provide better slope increasing capacity, of course, this bike is fully competent for manual riding on relatively flat roads;

Application summary

Non power assisted riding: between pedals and on the road with a certain gradient, the motorcycle can maintain good portability. The weight of the whole vehicle is a good condition for human riding to improve the sense of power. The bicycle can obtain a good sense of speed on a relatively flat road. The compact body provides great convenience in operation and control of the whole vehicle;

Assisted riding: when the riding speed is more than 5km and the motorcycle is continuously trampled, press the dial to switch to the full assisted mode of electric energy; The+and - buttons on the LCD code meter can be used for real-time control during cycling, which is relatively convenient. The infinitely variable speed dial is also comfortable in speed control;

This bike has done a good job in terms of expansion. It meets the requirements of modern use in terms of the function of the power bank, USB power supply, external plug-in capability, the use of the product's App and GSP application, and can be better convenient for life. The bike has many small functions, and it is labor-saving to ride, light in weight and convenient for life;

■ Suggestions and improvements:

This evaluation product satisfied the trial users. Out of their love for the product, they also felt that they could make improvements in the thickness and quality strength of the tires of the motorcycle; Whether it is possible to increase the capacity of the battery in order to obtain further power assistance capability can be discussed; The position of the saddle can be changed to increase comfort. It is expected that the new products can be equipped with front and rear wheel mudguards as standard;

For good products, users always want better, which is the desire of all product users;

This is also the driving force for product progress;

This is an urban hybrid bicycle product based on practical direction in product creativity. If you are not a homely 2 square meter family, then this hybrid light electric bicycle may be the product you need, or leisure or commuting or fitness as you like!

For car travel, e-bike travel is an environmentally friendly move. In the face of urban congestion, riding the C1 e-bike, which can help Yunma Smart Drive, is undoubtedly a healthy, environmentally friendly and comfortable way of life that rejects congestion; When you feel your achievements in DIY, this is the original intention of this product design and development!