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By 袁春凤 (Tiffany)
The most important component of the water pump is the pump shell and the inner parts of bearing and the bearing. To improve the pump, the most important thing is to optimize and improve the two parts. The following is a detailed introduction to the improvement of the two parts.
1. to improve the pump shell. When disassembly the pump to inspect the failure, there are a large number of debris seriously affect the quality of the pump and work efficiency. In this case, we can reduce the two holes used for drainage on the pump shell to one, and remove the drain holes on the upper part of the transmitter. This can greatly reduce the small particles and sundries into the pump, thus greatly reducing the interference of sundries on the pump and the other bad.
2. to improve the bearing. In the case of the failure of the bearing, we are generally sealed, the lubricating oil used by the bearing, the ball of the bearing and the bearing itself. So we should have a solution to these parts
3. to improve gasket. The traditional design is to design the sealing test as a double mouth seal, so the advantage of the design is that two ports are all frictional with the bearing, the roughness of the bearing surface is more appropriate and the wear of the lip is relatively slow; but the disadvantage is that a large amount of dust can be directly entered into the middle of the mouth and bearing, so that the plate will be used for a period of time. The interference between the bearing and the bearing decreases, thus losing the original function of the seal. There are two ways to improve it: the first is the sealing week of the bearing with double, and the sealing area is lengthened properly and the thickness of the chip mouth is thickened accordingly. The method is to change the original double mouth into the three form of the seal and seal the seal. The advantage of this structure is that the outer lip and mouth have increased the seal design, which can resist many dust. However, this method also has shortcomings, the mouth and the reverse cap friction, the surface roughness of the surface of the cover is relatively poor, it is very easy to wear and tear seal test, resulting in sealing failure.
4. to improve the lubricating oil. The bearing of the automobile pump is a more special bearing unit. Its environment is mostly temperature, humidity and dust, and the temperature of the water usually reaches about one thousand degrees, so the lubricating oil of the bearing is required. From our analysis of the fault, the lubricating oil in the bearing of the fault appears discolourable, which means that the grease in the lubricating oil is not enough, so the lubricating oil manufacturer should be required to increase the fat content of the lubricating oil so as to ensure the better protection of the bearing.
5. to Improve the contact ball of the bearing. Balls in bearing are important parts to ensure normal operation of bearings, but there are more and more damage to rolling balls. When measuring the hardness of the ball, it is found that most of the balls do not meet the required hardness requirements, which makes the bearings greatly wear at high speed and finally breaks down completely. Therefore, we should strictly supervise the production quality of the manufacturers, guarantee the hardness of the ball and pass the quality, so that the fundamental problem of bearing damage can be effectively solved.
By 袁春凤 (Tiffany)
In a gasoline engine, when the mixture (fully mixed with air and fuel) enters the combustion chamber at the intake stroke, the piston compresses it at the compression stroke. When the spark plug ignites the high-pressure mixture, the pressure generated by the combustion is converted to the power of the engine.
The right side of the high compression ratio setting, more prone to detonation, so the need to use high octane fuel to avoid detonation.
It is precisely because the combustion of the engine is very complex, so the need for a fairly accurate design and control, a little control error or abnormal, will cause abnormal combustion, and "detonation" is a kind of abnormal combustion. Simply speaking, knock is abnormal pressure in combustion chamber caused by abnormal combustion.
Causes of detonation
Firstly, the mixture burns in the combustion chamber, and the flame is spread around by the ignition point in a "wave", so it takes a short time from ignition to the complete combustion of oil and gas.
Second, although oil and gas need to be ignited by spark plugs, too high temperature, high pressure environment will also make oil and gas spontaneous combustion.
Generally, detonation is caused by the fact that the flame has not completely diffused after the ignition of oil and gas in the combustion chamber, and the long-range unburned oil is spontaneously ignited because of high temperature or high pressure. The impact between the flame and the normal burning flame produces great pressure, which makes the engine produce abnormal knock.
By Vinca Holz
Guangzhou, China- Oct 11st, 2018- The leading car accessories supplier, Changyi will attend the HKTDC Hong Kong International Electronics Fair 2018 (Autumn Edition) from 13th-16th Oct. On the occasion of exhibition period, Changyi will display high-quality electric tailgate lift, foot sensor, intelligent power seat, auto door closer, and electric sliding door.
The HKTDC Hong Kong Electronics Fair (Autumn Edition) 2018 is coming, organized by the Hong Kong Trade Development Council at the Hong Kong Convention and Exhibition Centre from 13th-16th Oct. As a professional car accessories manufacturer, Changyi will bring the terrific exhibition experience to everybody.
On the occasion of the exhibition period, Changyi will display preeminent car parts, including the power liftgate, foot sensor, electric car seat, automatic car door opener, and electric sliding door.
This year, Changyi’s booth is 1C-F08😀. Changyi sincerely invites international buyers to visit their booth in HK Fair, the large-scale innovative electronics products exhibition in Asia.
💎Smart Electric Tailgate Lift (click me XD)
1. Soft-close electric suction device
After closing the car door, the electric suction will adsorb the lock to reduce the intensity, and ensure the tailgate closed completely at the same time.
2. Control by the remote
Convenient remote control help user open/close the liftgate easily, even their hands are busy.
3. Smart avoid pinch
While the power tailgate is closing, once it touches the obstacle, it will bounce back automatically or stop immediately, avoiding to hurt the user.
4. Memory function
The power liftgate can memory the height, which is set by the user. The user can set the height by long press on the button, and next time, the rear door will stay at the default height automatically.
5. Sound alarm
When close or open the hands-free liftgate, it will ring out to remind the driver.
6. Foot-sensor function
Foot-sensor is one kind of smart trunk sensor system. Open/ close the trunk automatically by judging the amplitude, frequency and phase parameter of Doppler produced when the foot gets close and away from the sensor.
7. Suitable for various models
Changyi electric tailgate lift is suitable for SUV and sedan, providing an awesome experience for every car owner.
💎Intelligent Power Seat
1. Massage Function
Comparing with the traditional seat, on which driver needs to maintain a fixed driving posture for a long time, leading to a backache, the back massage device of Changyi’s seat runs regularly to relax driving fatigue.
2. Courtesy Function
The smart seat is adjusted automatically when getting on/off the car, thus leaving wide space to prevent the oppressing sensation. Whatever the driver’s size, they can find the most comfortable position to drive.
3. Seat Cushion Heating
Just pressing the button, the strong turbofan and porous airbag will prevent sweat on the back and hip, which keep the driver cool and comfortable all the time.
4. Sitting Memory
After pressing the key “M” when the driver adjusts the seat to the appropriate position, the seat will be at the status of memory position.
💎Intelligent Electric Sliding Door
1. Master core technology, Select advanced materials
With reference to the original high equipment manufacturing, Changyi independently developed the electric latch, clutch, and other core components. The original TC intelligent temperature control protection technology will start to temperature protect when it’s more than 120℃, and back to work when lower than 80℃. Control the clutch temperature in the safe range is to ensure the sliding door work normally for a long time and high frequency.
2. True lossless, all reduction
According to the original vehicle high-end vehicle design, it uses the original vehicle location to install. Don’t need to replace any parts of the original car, just directly add.
3. Original car key remote control
No need to modify, the sliding door can be opened and closed by directly pressing the original car key.
4. B column button control
B column is provided with a control button, which can be pressed to open and close the Changyi side sliding door.
5. Internal/ external door handle controls
The system can recognize the owner’s action and the sliding door will work automatically.
6. Single door Separate installation
The car owner can choose left and right door to install at the same time, also can install a door only. A single-sided door won’t affect the other side door.
Guangzhou Changyi Auto Parts Limited Liability Company, founded in 2013, is a professional enterprise specialized in smart electric tailgate lift and other auto parts products.
The company integrates R&D, manufacturing, and sales together and commits to providing convenient, safe and comfortable ideal life for global car owners. Adhering to the product positioning of “differentiation, excellence, high quality”, Changyi rapidly grows into a rising star of automobile modification enterprise.