If you yourself are a scientist or just an inquisitive person, and you often watch or read latest news in science or technology. It is for you that we have created such a section, which covers the latest world news in the field of new scientific discoveries, achievements, as well as in the field of technology. Only the latest events and only trusted sources.
In our progressive time, science is moving at a fast pace, so it is not always possible to keep up with them. Some old dogmas are crumbling, some new ones are being put forward. Mankind does not stand still and should not stand still, but the engine of mankind is scientists, scientists. And at any moment a discovery can occur that can not only amaze the minds of the entire population of the globe, but also radically change our lives.
A special role in science is allocated to medicine, since a person, unfortunately, is not immortal, fragile and very vulnerable to all kinds of diseases. Many people know that in the Middle Ages people lived on average 30 years, and now 60-80 years. That is, at least doubled life expectancy. This was influenced, of course, by a combination of factors, but it was medicine that played a big role. And, for sure, 60-80 years for a person is not the limit of average life. It is possible that someday people will cross the mark of 100 years. Scientists from all over the world are fighting for it.
In the field of other sciences, developments are constantly underway. Every year, scientists from all over the world make small discoveries, slowly moving humanity forward and improving our lives. Places untouched by man are being explored, first of all, of course, on our home planet. However, work is constantly taking place in space.
Among technology, robotics is especially rushing forward. An ideal intelligent robot is being created. Once upon a time, robots were an element of fantasy and nothing more. But already at the moment, some corporations have real robots in their staff, which perform various functions and help optimize labor, save resources and perform dangerous activities for a person.
I would also like to pay special attention to electronic computers, which even 50 years ago occupied a huge amount of space, were slow and required a whole team of employees for their care. And now such a machine, in almost every home, is already called more simply and briefly - a computer. Now they are not only compact, but also many times faster than their predecessors, and anyone can figure it out. With the advent of the computer, mankind has opened a new era, which many call "technological" or "information".
Remembering the computer, do not forget about the creation of the Internet. It also gave a huge result for humanity. This is an inexhaustible source of information, which is now available to almost everyone. It connects people from different continents and transmits information with lightning speed, it was impossible to even dream of such a thing 100 years ago.
In this section, you will certainly find something interesting, exciting and informative for yourself. Perhaps even someday you will be one of the first to know about a discovery that will not only change the world, but will turn your mind upside down.
One day, I received two non-working megohmmeters as a gift from a friend - both of them had damaged measuring heads.
When opening one of them, it was found that in addition to two boards with radio components and a measuring head, the device contains an AC dynamo with a manual drive.
The generator turned out to be in working order - with not too fast rotation (about 40-50 rpm), it gave out a voltage of about 25V (without load).
Further disassembly of the unit showed that this is a fairly solid single-phase electric machine with a permanent magnet rotor.
The only drawback is the plastic housing and bushings (I would like bearings) at the rotor installation sites. It didn’t take long to find a decision on where to apply this unit - conducting experiments on charging mobile devices in the field. Progressive Chinese have long put a similar device on sale and sell it in their notorious Dilekstrim store.
To begin with, it was necessary to rectify and stabilize the generator output voltage. The 2-amp diode bridge did an excellent job with the first task. As a stabilizer, it was decided to use the well-known circuit with an integrated stabilizer K142EN12A (LM317). The diagram of a typical inclusion is shown in the figure.
The choice of this stabilizer is not accidental. For emergency recharging of a mobile phone, a voltage of 4.5-5.5 V at a current of 100mA is sufficient, and it would seem logical to use the K142EN5 stabilizer. But not everything is so simple. Since the generator produces more than 10V even with slow rotation, it was decided to use an input voltage stabilizer on which it can range from 8 to 35V - the KR142EN5A stabilizer would simply overheat due to the high input voltage. So, the stabilizer is assembled and it's time for the first load tests.
For these purposes, I used an incandescent lamp for 26V 230mA and got a fairly bright and even glow of the filament at the nominal turnover of the handle of this impromptu dynamo machine. Next, it was decided to use a five-watt resistor as a load. During these tests and top speed rotation of the rotor (spun it as fast as it could!) it was found that at a certain moment (apparently when the stator winding is oversaturated), the generator goes into the current generation mode. Finally, it's time to test the battery charge of a mobile device. Country cell phone Samsung GT-E1081T is the best fit for these purposes, if something breaks, it will not be so sorry. So, the phone battery was completely discharged, everything was ready for the experiment. Having connected the device to an impromptu charger, he began to rotate the generator handle without applying almost any effort. After about forty seconds, the phone turned on and showed a charge indication. Turning the speaker knob for about two or three more minutes, disconnected the phone from charging and tried to make a call - it worked, the call went through.
Conclusions. The use of such a device in a campaign is very justified - in case emergency it is always possible to make a call to the desired emergency service regardless of weather conditions (see the use of solar panels), although it is impossible to fully charge the battery of a mobile device with this generator (although there may be someone more patient who can turn the knob up to full charge batteries!). In general, on the basis of such a spare part from a megohmmeter, many more useful structures can be assembled. For example, emergency lighting in a basement, closet, or living quarters, or using a dynamo without an overdrive unit as a mini-generator in experiments using wind energy, and so on, there can be a great many variations on this theme. Good luck with your experiments and designs! Author - Eletrodych.
Now it is difficult to imagine your life without a mobile phone or tablet. But sometimes there are times when you need to make a call or go online, and the gadget is dead and there is no outlet nearby. In this situation, a compact hand-held generator rescues me.
Phased production of a generator for a mobile
I borrowed a dynamo mechanism and a charging unit from an old mechanical flashlight (photo 1). Removed all internal parts from the plastic box of a non-working modem. On one of the walls of the box inside fixed the dynamo mechanism with a thermal gun (photo 2), drilled a hole opposite its stem and attached a handle to it from the outside (photo 3)
In the second part of the case, I fixed two rechargeable batteries, a charging unit and a USB connector with a board (photo 4). I connected all the elements according to the diagram (see the figure on) (according to the diagram, batteries are connected instead of the lamp) and connected the charging unit to the dynamo mechanism. Additionally, at the end of the case next to the USB connector, I fixed a toggle switch (photo 4. p. 1), connected it to the USB board and the contacts of the charging unit. It serves as a switch: in one position, gadgets can be charged manually, and in the second - with batteries pre-charged by the same device.
Carefully assembled the body in reverse order. To charge, I connect the phone or tablet to the device and start rotating the handle. The compact generator has more than once helped me and my family on a hike and in the country, where there are often power outages.
If you yourself are a scientist or just an inquisitive person, and you often watch or read the latest news in the field of science or technology. It is for you that we have created such a section, which covers the latest world news in the field of new scientific discoveries, achievements, as well as in the field of technology. Only the latest events and only trusted sources.
In our progressive time, science is moving at a fast pace, so it is not always possible to keep up with them. Some old dogmas are crumbling, some new ones are being put forward. Mankind does not stand still and should not stand still, but the engine of mankind is scientists, scientists. And at any moment a discovery can occur that can not only amaze the minds of the entire population of the globe, but also radically change our lives.
A special role in science is allocated to medicine, since a person, unfortunately, is not immortal, fragile and very vulnerable to all kinds of diseases. Many people know that in the Middle Ages people lived on average 30 years, and now 60-80 years. That is, at least doubled life expectancy. This was influenced, of course, by a combination of factors, but it was medicine that played a big role. And, for sure, 60-80 years for a person is not the limit of average life. It is possible that someday people will cross the mark of 100 years. Scientists from all over the world are fighting for it.
In the field of other sciences, developments are constantly underway. Every year, scientists from all over the world make small discoveries, slowly moving humanity forward and improving our lives. Places untouched by man are being explored, first of all, of course, on our home planet. However, work is constantly taking place in space.
Among technology, robotics is especially rushing forward. An ideal intelligent robot is being created. Once upon a time, robots were an element of fantasy and nothing more. But already at the moment, some corporations have real robots in their staff, which perform various functions and help optimize labor, save resources and perform dangerous activities for a person.
I would also like to pay special attention to electronic computers, which even 50 years ago occupied a huge amount of space, were slow and required a whole team of employees for their care. And now such a machine, in almost every home, is already called more simply and briefly - a computer. Now they are not only compact, but also many times faster than their predecessors, and anyone can figure it out. With the advent of the computer, mankind has opened a new era, which many call "technological" or "information".
Remembering the computer, do not forget about the creation of the Internet. It also gave a huge result for humanity. This is an inexhaustible source of information, which is now available to almost everyone. It connects people from different continents and transmits information with lightning speed, it was impossible to even dream of such a thing 100 years ago.
In this section, you will certainly find something interesting, exciting and informative for yourself. Perhaps even someday you will be one of the first to know about a discovery that will not only change the world, but will turn your mind upside down.
It is impossible to imagine the modern world without the use of electricity. In connection with its widespread use, fuel-free generators are being developed and produced. The article explains what it is, where and how it is used, highlights the design features, and also provides instructions on how to make the device yourself. Schematic diagrams of different types of generators are attached.
What is a fuelless generator
This simple device is designed to generate electricity without the use of various kinds fuel. Works on the principle of neodymium magnets. In a simple motor, the magnetic field is generated by electric coils, usually made of copper or aluminum. These motors constantly need power to create a magnetic field. The energy loss is enormous. But a fuel-free generator does not contain coils made of such materials. Therefore, losses will be minimal. It uses a constant magnetic field to generate the necessary force to move the motor.
This concept of magnetic field generation from permanent magnets only came into practice after the introduction of neodymium magnets, which perform better at full power than previous ferrite magnets. The main advantage is that the device does not require constant power supply or recharging.
To find alternative ways generating electricity, there are a number of alternatives from non-traditional energy sources that are also renewable. One such alternative is to generate electricity from a fuelless engine in an isolated power generation system with low maintenance costs.
A fuelless engine (like a generator) is an engine that generates electricity around the clock without fuel (gasoline, diesel, oil, gas, sun). The drive mechanism is a DC motor driven by a battery (12V or more). The battery drives a DC motor which in turn drives an alternator to generate electricity while charging the battery via a diode.
Energy sources that can operate without carbon dioxide include wind, waves, or surges of photovoltaic and osmotic energy. But fuelless power generators are still the most reliable sources of energy with low operating costs, even surpassing solar panels in some cases.
The use of low-cost traditional energy sources such as fuel will remain the main source of energy until the next decades, despite their adverse environmental impacts.
The use of a fuelless engine (or generator) for power generation is limited by the power of the DC motor and alternator. This implies that the presence of a DC motor and a high power generator gives the fuelless engine its capabilities. Studies have shown that the potential of a fuelless engine worldwide is more than five times greater than that of wind and solar because it works 24/7, every day, anywhere on the planet.
Where and how is the BTG generator used?
There are many different ways to generate power from a fuelless engine or generator. In every field of application, this device will undoubtedly benefit. Below are short descriptions some of these areas.
On the roads
A fuel-free generator can easily replace diesel engines used in the vast majority of modern heavy vehicles such as trucks, buses, trains, large portable power engines. And also this list includes most agricultural and quarry vehicles.
In the air
Both gasoline and diesel engines used in aircraft can be replaced with fuel-free electric generators.
On the water
Fuelless generators can also serve as a replacement for the high speed engines found on yachts, ships and lines along the high seas.
Underground
Fuelless engines and generators can also replace diesel engines, as well as engines that are used in mining operations around the world. Similarly, fuelless devices are replacing engines that are used for mining and natural resources such as various precious metals, iron ore, coal and associated petroleum gas.
In medical institutions
The devices can also replace the emergency backup generators that every major medical facility or hospital should have due to potential critical situations.
In data centers
Fuel-free generators can be used for computers, and if the phone is not charging, then the generator can serve as a good charger for a mobile device. When servers and systems go down, communication can be lost, a workflow stops, data can be lost, and even an entire workflow can be completely stopped.
Also, fuel-free power generators can be installed on the sides of a two-wheeled vehicle. This must be done in such a way that as the vehicle moves, the fan begins to rotate and generate additional energy.
When DC motors over 500HP from. connected to an alternator whose power is lower than that of DC motors, you can get the maximum output power of the generator.
Design features
A simple fuel-free electric generator consists of a rotor and a stator.
The stator of the machine does not move and is usually the outer frame of the machine. The rotor is free to move and is usually located in the interior of the machine. Both of them, as a rule, consist of ferromagnetic materials. Slots are made along the inner periphery of the stator and the outer periphery of the rotor. The conductors are placed in the corresponding slots of the stator or rotor. They are interconnected, forming round windings. The winding in which voltage is induced is called the armature winding, and this is also the name of the current transmitted through it. Permanent magnets are used in some machines to provide the main flow of the machine.
Stephen Mark's TPU device is fundamentally different from other fuel-free devices with its original design. Such a generator is not the owner of radio frequency resonators. The working part of the device consists of a metal ring (approximately 20 cm in diameter), on which are put coils made of stranded thick wire. The author repeatedly demonstrated his invention to the public, but then the original development was strictly classified.
And yet, thanks to his followers, a new version- Ottp Ronette, which already had differences from the original version. She already had two plastic rings, to which a thick twin wire was attached. The wires themselves were connected crosswise.
How to make a fuel-free generator with your own hands
There are two most common ways to make BTG with your own hands:
- wet;
- dry.
The wet method will require a battery, while the dry method will require batteries.
wet way
Required components:
- Charger required caliber;
- battery;
- amplifier;
- transformer for alternating current.
The battery serves as an energy storage device and also stores it. A transformer is needed to generate constant electrical current signals. The amplifier, in turn, increases the level of current supply, since the initial battery power is about 12 or 24 V. The charger will be needed for the constant and uninterrupted operation of the device.
First you need to connect the transformer to a permanent network or to a battery, and then to a power amplifier. After that, you will need to connect the sensor for expansion to the charger circuit. Then you need to connect the sensor back to the battery.
Dry way
The principle of operation of a dry device is to use a capacitor.
To create such a device you need:
- transformer;
- generator prototype.
This method of manufacturing the device is the most optimal, since its life can be at least 3-4 years without charging.
First of all, it is necessary to connect the transformer and the prototype using special conductors (undamped). It is recommended to do this by welding to create the most durable connection. To control the work done, you need to use a dynatron.
BTG scheme:
A working diagram of how to make BTG with your own hands:
Also today, new BTG circuits are being released, which provide for connection to several batteries and other generators.
The use of fuel-free generators is a modern, more economical and environmentally friendly solution, but their manufacture and selection is a task that requires special attention and responsibility.