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Kneeling for 24V30A charger circuit diagram
Now there are many of these products for sale ah.
Make your own to customize a high power transformer, generally speaking, one that outputs 24 volts to 33 volts AC and 1 kilowatt (should be volt-amperes), taking care to draw more than a couple of headers between 24 volts and 33 volts on the secondary.
The simple way, is to use the secondary output with full-wave rectification, direct output to the battery, to be connected in series with an ammeter, to be connected in parallel with a voltmeter, with the switch of an industrial appliance (Zhejiang Province, the area of the prevalence of) manually regulate the output voltage and the output current, according to the charging process manually adjusted. As for automatic voltage stabilization, automatic current stabilization of the charger, in 35 years ago, the silicon controlled control method information is publicly published and printed. Simple emergency method, is to use sufficient power of the running light transformer (36 volt safe voltage output), isolation transformer, welding machine transformer, to its secondary plus winding a few turns, forward series or reverse series, adjust the output voltage and charging current to the appropriate range.
The e-bike just got a new battery, and last night the charger light was still red after charging all night, is it a battery problem or a charger problem?
I just got a new battery yesterday and the charger light is still red after charging all night last night, is it a battery problem or a charger problem?
Originally, my old battery had a red light no matter how long I charged it, and the battery was heating up badly, so I replaced it, but now the charger still doesn't turn green.
Originally the battery was a 10A, now I'm replacing it with a 12A battery, and the charger is a 1.8A, is it able to charge a 12A battery?
Question added:
Originally, my battery was charged and deformed very badly before I got a new one, and it was charged for 12 hours every day.
There are two aspects to be discussed here;
The first one is to use a voltmeter to measure the output voltage of the charger without the battery connected and in no-load condition,
and then to measure the charging voltage and charging current after charging for more than ten hours. Charging current,
You still buy a common pointer-type triple meter as a safe, usually connected to the output of the charger on both sides of the measurement of voltage, and often pay attention to observe the change of its voltage. I purchased a general-purpose, single-purpose pointer voltmeter and connected it in parallel to the charger to continuously observe the process of charging voltage changes. As for the normal range of charging voltage, there are many web pages on the Internet that describe it in detail, so please search for yourself.
The above work is to determine whether the output voltage of the charger is out of control.
Because Jiang Hu Shu Junzhuo forced me to lay off my job, the following content is a brief introduction;
Even if the charger meets the factory standards of the domestic factories, even if the three-stage intelligent charger, even if it is a computer-controlled charger, it is a number of batteries in series charging, and then new, the performance of the same number of batteries, after a number of charging and discharging cycles, the difference in voltage and capacity of the battery will become more and more different, and the battery will not be able to charge the battery. After a number of charging and discharging cycles, the difference between the voltage and capacity of each battery will become larger and larger, and the usual failure phenomenon is that some of the batteries are bulging. If new and old batteries are used together, the chance of this failure is higher and more frequent.
So, if possible, take a separate charger for each battery. This is for charging an e-bike battery downstairs from a high-rise residence is a comprehensive ability to consider!
Especially for each battery charging process separate remote control, telemetry.
I have long experience here. For example, there are universal chargers upstairs, and there are additionally ultra-low voltage dropout charge controllers on e-bikes built with discrete components.
You should go to ask those high school students, integrated circuit design graduate students, doctoral supervisors for you to solve the practical needs of their salaries monthly starting point of more than 10,000 yuan, I am receiving social assistance land.
High-rise buildings to downstairs battery charging, remote charging design,
The use of medium-voltage, low-voltage transmission transmission, the use of completely discrete components to build ultra-low-voltage degradation circuits, remote control, telemetry circuits,
Trying not to use a single-chip machine in order to reflect the high-caliber design capabilities, and the realization of the time-sequence control, automatic adjustment of charging voltage, automatic adjustment of charging current.
Electric car 48V1.8A charger, extend the output end of the 30-meter line, can be used with 48V2.5A or 48V3A charger?
It's inconvenient to charge because I live on the fifth floor and my electric car is on the first floor.
If I use the original charger, the battery is often undercharged when I extend the output of the charger (it's not very safe to extend the 220V end)!
This is the charger to be specially designed.
One of my practices is to turn up the output voltage of the existing charger and have a separate coordination circuit on the bike. Because there is actually a requirement for bucking at the end of the charging period, the perfect circuit has to be specially designed, and the specific design details and complete drawings and test data may not be published until 5 to 10 years later.
Now has accumulated more than a hundred drawings, can be used, each with its own advantages and disadvantages, and its formal design for the circuit understanding to be very deep, grasp extremely accurate.
I actually test to reach a distance of 120 meters, the safe voltage range of medium voltage transmission, the end and then adjusted.
Now also use the line with telemetry charging voltage, charging current, which is a perfect way to charge each battery individually.
There is absolutely nothing on the market for this.
I am a long time from the high-rise building, to the downstairs e-bike charging ground, experienced.
To ensure that in favor of battery life, to ensure the safety of transmission, to use ultra-low voltage drop charger, I use both fully discrete components assembled by ultra-low voltage drop linear stability to ensure that the line, but also the use of imports of ultra-low voltage drop linear integrated circuits, but also the use of switching modulation integrated circuits.
The problem you have expressed is caused by the low level of design of the general e-bike charger and the pressure on cost constraints. For high-energy batteries, emphasize the need to continuously detect the battery temperature rise; for lead-acid batteries, its tolerance is much stronger, if the lead-acid battery charging state temperature rise is too high, has been overcharged very seriously.
The charger can not automatically jump light reflection is very common, the simplest way, is ***** manually monitor, according to the actual situation, timely ******* float charging voltage; obstacle is that now the charger manufacturers are confidentiality of the line, it will take a few days of time to slowly and visually detailed reading of the line of the distribution of the assembly to reverse engineering methods to redraw the circuit diagram, before the development of retrofitting measures. The measures can be modified only after the circuit diagram is redrawn by the reverse engineering method.
A greater difficulty is that the current method of charging several 12-volt rated batteries in series has serious flaws, the battery after dozens of charging and discharging cycles, the capacity of each battery, the voltage difference between the various batteries is getting bigger and bigger, even if manual intervention charging is a drop in the bucket,
Nothing to help, anxious, and unable to give a helping hand.
The complete solution is a charger for each battery, each battery has ******* continuous monitoring, this charger is not the current three-stage charger or the "computer intelligent" charger promoted by the enterprise.
I have always wanted to fully free public related design and a large amount of test data, you want Ye Qin, Hu Jun, Jiang Shujuo open free teaching network it, and they are in charge of the publishing house ah.
What brand of electric car charger quality is good, I want to do the agent in this area
Tell you what, brand loud no one can achieve the following national highest function, performance, indicators,
And those big brands are profiteering products! Their product selling price, in accordance with the normal profit margins, will be able to achieve the following results, has been proposed to a university science and technology services company, they can not realize its technological innovation and market potential, especially to create a new market space.
Now no production, no sales, freeze.
You have a need, you can contact through the webmaster, and perhaps authorize the production, there is no direct and inevitable connection with the claim of economic benefits, there is no prerequisite, expressed in terms of the law, that is, it can be considered free of charge.
The following is not a positive answer either, it is a compilation of several other answers, you take your time to understand it,
If there are products with similar functions at home and abroad, you can then come back to bash them,
If you can't uncover it, then you have to bash the big branded chargers,
especially those that don't give wiring diagrams, don't give assembly diagrams, and are mounted in patchwork, are not repairable, don't give Accessories, do not disclose the test conditions and test results, do not disclose the characteristics of the fault and treatment and maintenance methods of the manufacturer, the user can not be adjusted, can not be modified electric bicycle charger,
Electric car charger power supply intermittent oscillation how
Generally is a short-circuit output la! It is equivalent to the effect of hiccups, which is a safety protection measure designed by the foreigners.
Specifically, it depends on whether the voltage level is wrongly mismatched, whether the output current is small and the battery capacity is too large (this is unlikely, because the normal charger limits the maximum output current), and whether it is overloaded.