the diagram digital power controller

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power supply load regulation  Figure 1 is a typical embodiment of the digitally-controlled power. Usually the left side of the diagram digital power controller operating voltage of 3.3V. Dig ital low-voltage processing method used in the controller design for stability and noise considerations, can not directly use the digital controller driver MOSFET. The interface between the controller and power stage MOSFET driver. PWM or digital controller is usually received by the MOSFET driver output signal, and then convert it to be suitable for efficient opening, off the MOSFET high current signals. If the controller signal is subject to interference or error, the ordinary MOSFET drivers will not be able to provide any protection.drop in anchors

According to incomplete statistics

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According to incomplete statistics, about 80% of today s LED lighting products arising from the failure from the power supply, LED light source products packaging technology to continuously improve and cooling technology development over last few years, the stability of the light source has reached a good level, nails even if the said that is light fades and color drift, which is mainly caused by the irrational thermal design. Necrosis directly has been very little, relatively speaking, the power supply problem more serious, a problem is generally directly dead lights or flashes, and the relatively high frequency of occurrence. concrete nails

Analysis of forklift maintenance can not be ignored 10 key issues

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 Forklifts in use there will be a variety of problems, the emergence of most of the problems is not the right machinery to carry out a full range of check, the problems can be endle ss.

Now we analyze theforklift fork


The forklift can not be neglected maintenance of the 10 key issues.

1, the oil lubricates the lifeblood of the engine work if the engine lubrication syst em failure, a direct result of the heating cylinder, the engine hold the tile, mechanical wear.

Blockage of the air cell will cause the engine unable to exhaust black smoke, the engine can not operate normally, making the burning of the Department of intake is inadequate, the sound is dull.

3 for a long time not to replace the oil cells, oil cells clogging the engine fatal to the lubrication system failure, the same appears to Lava, crankshaft locking.
 
4, the water tank can lead to engine overheating, mechanical work is brutal, work performance, piston overheated expansion card dead.

5, a short circuit for forklift maintenance can not be ignored, the short-circuit grounding will cause the entire vehicle line burned, generators, motors. The battery will be damaged.
 
6, the tire pressure is too high a hazard to personal safety in the hot summer, the high tire pressure can cause carcass fat up to deformation, tire explosion.

, Tire pressure is too low, so that the tire contact with the ground area increased, moving tire temperature abnormal increase in the deformed sidewall puncture lay hidden dangers.

, Forklifts and high-pressure hydraulic tubing can not be ignored by the aging, aging high-pressure pipeline burst forklift maintenance is often the case, a pipeline burst, the FCL oil leakage even finished.forklift attachment manufacturers


9, the deformation of the door frame is a great impact on the use of the forklift, fork of the goods back and forth not only rock, but it is dangerous to its own security.

10 Sound of forklift work, forklift abnormal sound may not be overlooked, problem in a timely manner, adhere to the work there will be a greater loss.

   Forklift loading and unloading of essential storage facilities, maintenance must be a ground check, avoid using inferior parts, avoid using poor quality oil, which are forklift maintenance taboo. More than

A direct impact on vehicle and hair

Forklift maintenance workers should pay attention to what the battery maintenance matters

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 The battery in the fuel-powered cars as an auxiliary power supply, often forklift maintenance staff maintenance battery will overlook some key common sense.
   

    Battery maintenance, security is the primary attention of forklift repairman, will be in charge of bottle to produce hydrogen could cause an explosion, flame or sparks is strictly prohibited.

Battery storage or charging current affairs

Must be in a well ventilated place, but not in the mouth ventilation, forklift accessories
to avoid the mist caused by corrosion.
 

    Battery fluid containing a corrosive liquid may cause severe burns, the need to avoid contact with skin, eyes or clothing. If the forklift maintenance personnel accident occurs, immediately

Flush with water, and speed onused skid steer attachments


Medical.
     Charging should be to make the charger perishable forklift repairman should insert the battery then plug the power supply. Should first pull out the power so the battery also no damage.

Forklift repairman how to identify the quality of hydraulic oil

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 Forklift hydraulic oil quality is good or bad, not only affect the normal work of the forklift, but will also cause serious damage of the hydraulic system c omponents. Forklift repairman working practice owned by

Satisfied out of several in the case of special test equipment,budget attachments
simple to identify the quality of hydraulic oi l method.


    Removed from the tank a little of the measured oil filter with filter paper, if the filter is left on the black residue and a pungent odor, the oil has been oxidized.

Can also be directly removed from the tank bottom part of the precipitation sludge, if many of which are asphalt and resin precipitation, on the finger twist pinch, if the feel glial adhesion

, Forklift maintenance man indicates that the oil has been oxidized,forklift boom attachment
and can not continue to use.


    Remove a little of the measured fluid from the pump, if the discovery has shown a milky turbidity like, and with the combustion method to identify, found to contain large amounts of water, hand feel has lost its stickiness

, Then the oil is thoroughly emulsified deterioration should not be reused. These forklift repairman to identify hydraulic oil, and I hope all the adoption.

How to Choose the electric forklift models

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 Selection of electric forklift trucks from the use of the environment, workload, the size of the cargo volume to enhance the height of the cargo, channel size, the load size of angle

The degree to consider. If the shape of improperly, can cause result in electric forklift trucks idle, money and waste.

   How customers should buy relative matching of the electric forklift? The following details:

1 Ground Environment:attachment skid steer

 
Electric stacker, electric pallet truck on the ground, must be hard surface, ground gap is not too large.

The local surface is smooth, paint, grease the ground, the time of purchase are required to choose a non-slip type stacker, specify the wheel of the forklift to select non-slip.

2, the size of the job workload:
 
Different workload forklift batteries, ordered to be described, selected to match the production of electric forklift batteries.

3, the volume of goods specifications:budget attachments

 
The cargo of the size of the load center of the fork, the fork length of the forklift carrying capacity, select the appropriate length of the fork is very important.

4, cargo lifting height:
 
Goods to improve height, each increased by 200mm to 1.6 meters as standard, contained harsh dropped 50kg, calculate on this basis.

5, the channel width size:
 
The size of the channel is directly related to the radius of gyratio n of the electric forklift.

6, to choose what kind of match the forklift:
 
Sided tray, double-sided tray, not fixed straddle forklift.skid steer pallet fork

< br />Up and down the slope length, slope degree, forklift length.

Loading and unloading of cargo tonnage to the top of the weight, the handling of goods, such as to be lateral, forward, backward.

Shenzhen the Forklift long-term use will lead to failure

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 We found that many companies forklift long-term idle there, basically do not use, In fact, Shenzhen forklift for a long period, can also cause a lot of problems, we all kn ow this to say

France: more cars with more spirit, more putforklift attachment manufacturers


The older. I believe we start the long-term idle forklift startup difficulties, loss of elect ricity battery, flat tire gas and other symptoms. Here to talk about the problems of long-term idle.
 

Shenzhen the Forklift long-term parking, various parts of the parts does not work, there would be no wear and tear, the life of president of the car. In fact, forklift suspended precisely the opposite effect

, The main by the following

1, the various parts of the oil seal deformation, aging, easy to damage the oil spill. Vehicle to stop the oil seal around the contact force is always uneven.
 
2, the friction parts of the surface oil oxidized again to start the formation of dry friction or semi-dry friction, shortening component life.

3, forklifts suspended too long will produce self-discharge. The impact of battery recharging effect, loader fork
eventually leading to the battery for early retirement.

4, the tire deformation, resulting in compression shrinkage deformation of the contact area. Forklift suspended longer the deformation of the parts of the more difficult to restore high gear moving body jitter phenomenon.

Suspension of the vehicle will not only cause these adverse effec ts, but also adverse changes in the braking system, steering system and fuel supply system, etc., need attention.

6, the suspension of service time is the longer the formation of dry friction or semi-friction between the cylinder and piston, accelerated wear and tear of parts, and start the resistance increased, resulting in a difficult start.bolts and nuts


Suspension is the longer, the deformation is more difficult to restore the permanent deformation until the oil seal. This is the beginning of the oil spill.