Foreword
With the constant discovery of intelligent control technology, the originally mediocre sweeping robots have added smart prefixes. In recent years, the sweeping robot market has shown a tendency of blowout, and mopping robots based on the development of sweeping robots have gradually entered the field of vision. The product introduced today is a PRO-JOJO mopping robot developed and produced by Poussinike of Taiwan. I will evaluate this product from outside to inside and see if its performance can get yours. Pro-gaze.
Out of the box
The Pusanike mopping robots are made of hard paper and the product is printed on the front. The logo in the upper left corner is Pusnik's logo, and the model in the upper right corner is PRO-JOJO. In addition, we can also see in the lower right corner PRO-JOJO's three selling points: indoor GPS navigation coverage, bionics wipe more thoroughly and dry wipe, wet wipe more convenient.
There are plastic handles above the package, which are implemented in many small household appliances. At the bottom of the package, you can see the birthplace of PRO-JOJO. Taiwan's Pusan ​​Niki authorized manufacturing, a company in Shenzhen responsible for production, in fact, there are many sweeping robots are produced in Shenzhen, want to do sweeping robots to find workers in Shenzhen is correct.
Both sides of the PRO-JOJO packaging are printed with an internal product list and product specification parameters. The PRO-JOJO is powered by a 7.5V 2500mAh battery. The dry wipe can be used for about 4 hours and the wet wipe can only be used for 2.5 hours. When possible, consider the difference between the load and the trajectory after adding water. The PRO-JOJO indoor GPS positioning is indicated in the column of the walking route. This is the technology that was just on the road this year. It was never heard before. In fact, this is where this robot attracts me most.
Open the packing box, product specification, certificate, online shopping ticket. Nowadays, customers are generally not willing to read the user manual. After they have bought the product, they begin to explore for themselves. Of course, I am no exception. When problems arise, come back and read it.
Inside the white plastic foam made 5 grooves, respectively store the corresponding accessories, neat yards placed inside.
The above lists all the accessories of PRO-JOJO. There are 10 samples in all sizes, the upper right corner is the antibacterial wet wipe paper given by the product and a 30-piece dry wipe paper written in Japanese. Seeing PRO-JOJO full of sincerity. Let's take a look at the details of the product.
product details
PRO-JOJO uses a combination of black and champagne, highlighting the high-end luxury PRO-JOJO, coated with a layer of glossy paint on the surface of the fuselage, revealing a brilliant luster. The top arc groove design provides protection for GPS positioning receivers.
The sleek body and the anti-collision rubber strip added at the front end better suit the family environment. It not only protects PRO-JOJO but also protects the furniture.
1. Obstacle avoidance system
The front end of the PRO-JOJO has a certain elasticity. When the obstacle is touched, it will contract back. At the same time, the internal normally closed travel switch will open and feedback to the MCU instruction. In addition, there is an infrared distance measuring sensor at the top center position, which can be seen in the dismantling part at the back.
2. Operation keys
The fuselage only has three interactive buttons and a row of status indicators. The operation is relatively simple. After the startup, select the mode of dragging.
3 anti-drop design
The four supporting points that can be seen at the bottom of PRO-JOJO play different roles. The two front ends with rubber heads are physical anti-drop mechanisms, and the rear ends are two drive wheels. In addition, there are two magnets at the front end for installing dry and wet rags.
Through the compression of the probe, the front step is physically detected, which is more accurate than the traditional infrared photoelectric anti-drop design, and the application environment is wider. For example, a robot walks on a transparent glass surface, and if it is a photoelectric type robot, it is wasted, and there is no problem in adopting such a physical type. In addition, when the edge is cleaned, the physical type is better than the photoelectric type.
4. Drive mechanism
In the rear drive section, the two drive wheels center on the pivot point and can move up and down. Perhaps this support structure was designed in consideration of the fact that front-end mopping can cross certain obstacles.
The drive wheel is driven by a DC motor acceleration and deceleration mechanism. Both drive wheels are wrapped with a non-slip rubber material for bumps. Its elasticity and viscosity are moderately increased with ground friction to ensure normal operation on wet surfaces, while reducing PRO- JOJO noise at work. Experienced sweeping robots should be very clear about the noise during their work, it is really crazy. PRO-JOJO perfectly solves the noise problem from the structure and material.
5. GPS navigation box
The GPS navigation box has a columnar structure with a Prestnik logo on the top and a status indicator and power button on the front of the GPS navigation box. The instructions for the use of the GPS navigation box printed on the side shall be placed on a step on the high side of the PRO-JOJO working plane. When the status indicator is blue, the pairing is successful. The bottom design has a charging interface and battery slot.
6. Cleaning equipment
A wet tow water storage pad, a multi-purpose cleaning pad and a wiping robot cleaning cloth make up PRO-JOJO's cleaning equipment. The design of dry and wet separation is more suitable for general household use. Different cleaning combinations are selected for different ground and different levels of soiling.
The blue fleece cloth is a wet mop cleaning cloth, and the white one behind is a dry mop cleaning cloth. Although the materials of the two are different, the water absorption is very good.
Wet tow storage pad, there are corresponding instructions for use on the package, the front part of the green part of the rubber pad for the reservoir, you can store water through it into the U-shaped sink, through the central location of the water infiltration of the cleaning cloth to wet. The rear end surface has been specially treated to increase the friction with the cleaning cloth and make the cleaning more powerful.
You can see the Pusnik's logo on a blue wet wipe, and the two black parts on the wet pad are used to secure the Velcro.
By magnetically mounted on PRO-JOJO, the operation is still very convenient.
The function of the multifunctional cleaning pad is greater than that of the wet cleaning pad. The front surface of the multifunctional cleaning pad is clamped by two pairs of green rubber pads, and the dry cleaning cloth, wet cleaning cloth or disposable cleaning paper can be fixed on it.
The white dry tow cleaner cloth is softer and more delicate, and the Poncennik's logo is also sewn on top, and it is done in some detail.
The effect of clamping through the rubber mat is also very convenient for installation.
The multi-purpose cleaning pad also adopts a magnetic suction mounting method, and can be fixed by aligning two hole positions gently.
Disassemble analysis
Above we have introduced the design and accessories of PRO-JOJO accordingly. Let's take a look at the internal structure of PRO-JOJO.
Of course, the dismantling must first be removed from the battery. At the bottom of PRO-JOJO, a battery screw is used to fix the battery cover at the bottom. When you unscrew it, you can see the square battery with the battery parameter sticker.
The PRO-JOJO is powered by a lithium battery of DC7.5V 2500mAh and is fixed on the circuit board by cables.
Remove the bottom four screws to separate the top cover, but pay attention to the soft cable with the key board.
The interior of PRO-JOJO is mainly composed of three PCB boards, a GPS positioning signal receiving module, a main control board and a separated optocoupler speed sensor.
In order to increase the wheel's grip, two weights were designed at the rear end. In addition, a temperature control switch is added in the middle to measure the battery temperature. When the battery temperature is too high, it will be automatically disconnected. It can also be considered as a battery protection device.
The front-end structure of the mop is linked with a normally-closed travel switch, and the switch opens when an obstacle is encountered. The two foot pads on the bottom are linked with a U-shaped optocoupler sensor. Under normal conditions, the optocoupler is turned off. The optocoupler conducts when the mat is hung, that is, when it encounters a step, which is the physical obstacle avoidance method.
GPS positioning signal receiving module on the front, arranged above the three infrared receiver diodes.
On the back of the module there is a microcontroller to process the received data and send it to the main MCU for analysis.
The front of the main control board is basically the distribution of the cable slot, in addition can also see a buzzer used as a boot, mode switching sound.
The back of the main control board is densely packed with various components, including a live MCU, gyroscope, various types of digital processing, voltage regulator chips, etc., and made waterproof treatment. There is also a set of infrared ranging modules for detecting obstacles ahead.
Two optocoupler speed sensors are integrated on this PCB to detect the rotation speeds on the two wheels and calculate the operating distance so that the motor can be controlled accordingly.
The grating board connected to the rear end of the motor is used with an optocoupler speed sensor. A deceleration mechanism is added to the front end of the motor to increase torque through gear shifting.
The disassembled parts drawing, in fact, the internal structure is not complicated, but it is not so easy to do. With high-precision integration and the selection of various components, there will be a variety of problems in a small pool.
After demolishing the body part of PRO-JOJO, let's take a look at the internal structure of the GPS navigation box. The navigation box is powered by a 18650 battery and can be charged using its own adapter. Compared to other sweeping robots, designs requiring frequent battery replacement are more user-friendly.
In addition to a circuit board inside the GPS navigation box, you can also see two infrared diodes, emitting infrared signals toward two oblique angles.
There is also an infrared receiving diode on the circuit board, which cooperates with the two infrared emitting diodes on the top to realize the GPS indoor positioning function. Of course, the positioning function is also indispensable to the positioning receiving module on the PRO-JOJO main control board. Specifically how to achieve the positioning is unclear to me, but it feels very high. At present, there are still few companies that use this technology.
Performance Testing
1, cleaning test
After reading PRO-JOJO's dismantling articles, let's take a look at the following and see how PRO-JOJO's performance is.
We use wood flooring as a test environment. The pollutants are divided into three categories: flour, milk and mayonnaise instead of dust, liquids and viscous substances. We use dry and wet tow tests to test the decontamination of PRO-JOJO. effect.
The wet trailing mode and the dry trailing mode have different running trajectories in addition to the different cleaning cloths used. The wet drag mode employs a Y-shaped drag-and-drop method, while the dry drag mode uses a drag-and-drop method to clean the ground of the same area. The dry drag mode is faster than the wet drag mode.
First, these three contaminants are cleaned in a wet drag mode.
The above figure shows the cleaning effect of three pollutants in the wet drag mode. Because mayonnaise contains fat and is relatively sticky, it is a stubborn stain, so it is difficult to clean it. It can only achieve this effect, but it is generally satisfactory. For the other two substances, the cleaning effect is still very obvious.
Here we use the dry drag mode to clean the three substances and see how effective they are
The cleaning effect in the dry-drag mode is not as good as that of the wet-sweeping mode. Only the liquid of milk has a good cleaning effect, and the cleaning effect of the other two pollutants is very poor.
It can be seen from the above test that the wet-to-drag mode has a much better cleaning effect than the dry-drag mode, but due to the wet-drag mode life time and long cleaning time, dry-to-drag mode can be completely selected when cleaning liquid contaminants. Clean up. In short, choosing different cleaning modes for different stains is the most efficient cleaning method.
2, noise test
We use Hongcheng Science and Technology HT-825 as a test instrument, and the measured ambient noise is 33.8db.
The noise when starting PRO-JOJO work is between 40~45db. It can be seen that PRO-JOJO has done a lot of work in noise reduction, and it is much less noisy than traditional sweeping robots.
3, endurance ability
Xiao Bian did not specifically test the battery life. However, after an hour of functional testing, the battery power is still strong. I believe that the official said that the 4-hour dry drag and 2-hour wet drag did not have a virtual target, cleaning 50 square meters several times. The living room is still enough.
4, obstacle avoidance ability
In the course of PRO-JOJO work, when a step is encountered, an obstacle in front is detected through the probe pad on the front end, and the obstacle will be avoided. After the front end touches an obstacle such as a wall, the internal trip switch is triggered to the main control board, so that the front-end obstacle detection is realized. Since they are triggered by physical methods, there is no need to consider sensitivity and interference factors. This is another great advantage of PRO-JOJO robots.
to sum up
Through the above dismantling and performance testing, I believe that everyone has a certain understanding of this PRO-JOJO, regardless of appearance, performance or industrial design, PRO-JOJO has a remarkable place. Compared with the noise of sweeping robots, GPS indoor positioning technology is a selling point, but it doesn't feel much in the actual experience. The choice of two wet and dry modes is suitable for cleaning without dirt, but for some stubborn stains, the user still has to clean it by himself. In addition, although it is convenient to change the cleaning cloth, cleaning the cleaning cloth is a troublesome task. Therefore, it is advisable to use disposable cleaning cloths when cleaning dirty surfaces. The PRO-JOJO mopping robot can be a good helper for indoor cleaning and can be a good helper for indoor cleaning. It is not enough to use the light function, and some DIY stickers can be designed to make the PRO-JOJO cold machine even more user-friendly. Of course, voice interaction or mobile phone remote control is also best to join, because some of the ground is dirty, I also want to move PRO-JOJO to move, for me this kind of lazy cancer late patients really have some trouble. Engaging in an automatic back-fill function, regular cleaning, plus remote control, can be dragged to the end anytime, anywhere, and the design of more application scenarios requires Pusannick's product managers to think. I hope that the follow-up can see the upgraded version of JOJO, add some more cool features, so that our geek lovers can also shine.
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