Únor 2024

Nowadays, a mobile phone is far from being just a device used to connect with others. It is also our photo album with valuable memories, it often serves as a wallet, we store contacts of our acquaintances there and access to the world thanks to the Internet. We can find out at any time when our train is leaving, where to go, what is happening where, what to buy and so on. But unfortunately, even perfect appliances can be damaged after prolonged use. Dust, humidity, high or low temperatures can negatively affect the functional state of the technology. That’s why mobile phone failure can really complicate life. Such a situation also often puts us in front of a dilemma, whether to invest in a new phone or have ours repaired. It’s true that a new model might be faster or have newer apps, but a repair is still a better option.

New phones are expensive and a repair is cheaper than buying a new model. Also, you won’t have to deal with data transfer between devices and dealing with additional settings. You will keep all saved data, contacts and applications with your old mobile phone. It is also related to the fact that you will not have to deal with adaptation to a new system, which can often be confusing and cost a lot of effort and mental capacity. Of course, it is also important to think about the environment. The production of new mobiles involves the extraction of raw materials and the consumption of energy. Repairing existing equipment can contribute to a smaller ecological burden.

It is important to remember that nowadays, when mobile phones are extremely complex devices, it is essential that they undergo quality diagnostics. This diagnosis is crucial because it can identify in time various technical problems or malfunctions that may occur in the device. In this way, we can prevent larger and more expensive repairs in the future. Diagnostics should be performed by professionals who have deep knowledge of mobile technologies and are able to recognize even the most hidden problems that could harm the phone. Ultimately, thanks to the combination of quality diagnostics, the use of original spare parts and an efficient service process, users can be assured that their mobile device will be repaired with the utmost care and expertise.

Measurement and regulation techniques is a field dealing with the measurement of physical quantities and the subsequent regulation of systems based on these measurements. The main goal of this technique is to achieve the desired state by comparing the measured value with the reference value and if a deviation is detected, then the control system takes corrective actions to correct this deviation.

Energetics

Measurement and control techniques play a key role in reducing energy consumption and costs. Regulation of heating, cooling and lighting enables efficient use of energy, which brings not only financial savings, but also contributes to environmental protection. Measuring technology is the first step towards optimizing energy consumption. Thanks to it, households and industries have the opportunity to monitor their energy consumption, and based on the information obtained from these systems, ways to reduce costs and improve energy efficiency can be sought.

Thermostats

In the field of heating and cooling, thermostats are the key regulators. Today’s advanced thermostats make it possible to set the exact temperature for different parts of the day and different spaces in the home and industrial facilities. Some thermostats are equipped with sensors that can react to the presence of people in the room and automatically set the temperature to the optimal level. Thanks to this regulation, energy losses caused by unnecessary heating or cooling of unused spaces are reduced.

Modern lighting

Another energetically significant element is lighting. Traditional light bulbs have a high energy consumption and are not nearly as efficient as the more economical LED bulbs. Additional savings can be achieved, for example, with sensors that detect the presence of people and automatically turn the lights on or off depending on the daylight. Modern lighting also allows individual adjustment of the brightness or color of the light, which can both reduce energy consumption and at the same time contribute to human health.

Bohemiachlad, s.r.o., Prague, a purely Czech company that has been on the market for more than 20 years and offers designs, projects, deliveries and implementation of cooling equipment. The goal of this company is to do its work with quality and with a focus on the highest possible efficiency with an emphasis on energy savings and minimizing the consumption of refrigerants. The company offers complete solutions for systems of cooling machines and freezers, from design and planning, through the supply and installation of the equipment itself, to the supply of spare parts and finding out about service or reconstruction. It ensures the implementation of thermal insulation, minimizes ammonia fillings in accordance with EU legislation, performs energy audits, including recommendations for saving electricity.

This company offers a unique system for regulating the cooling and air conditioning circuit, which guarantees operational energy savings of up to 30% and a reduction in the volume of coolant in the circuit by up to 60%. Additional operating savings of 10-15% can be achieved by computer-controlled coolant injection into the heat exchanger or other type of installed cooler. Moreover, in addition to energy savings, the company is currently also focusing on projects leading to the improvement of the environment. Due to the system of direct spraying of the cooler used by Bohemiachlad, s.r.o., Prague, only a minimum reserve of NH3 cooler is required in the equipment, which fully corresponds to the current standards and requirements for minimizing the cooler filling. In addition, the company uses Bohemiachlad liquid and thus contributes to the improvement of the environment.

The company Bohemiachlad, s.r.o. operates primarily in the Czech and Slovak Republics and has implemented a range of orders with important breweries, dairies and prestigious companies. In addition to cooling and freezing, the company also specializes in air conditioning and air conditioning. In this area, the company solves the so-called clean operations in terms of hygiene regulations, i.e. it supplies the customer’s production premises in such a way that the microclimatic conditions of the open product are treated. Furthermore, it offers project activities in search of energy savings – for example, in terms of savings in the lighting of production halls by simple control regulation or monitoring of refrigeration and technological units, etc.

Pneumatic machines are a type of machine that uses compressed air to drive various mechanical processes. This principle is very popular in many industries, including manufacturing, automotive and construction, due to its efficiency, reliability and cleanliness. In this article, we will look at various aspects of pneumatic machines, including their working principle, types, benefits and applications.

Principle of operation

Pneumatic machines work based on the use of compressed air energy. Compressed air is distributed to the machine system by means of a compressor that sucks in air, compresses it and then feeds it to the pneumatic system. This compressed air acts on pistons or turbines, transferring mechanical energy to the working parts of the machine.

Types of pneumatic machines

Pneumatic machines can be divided into several categories based on their construction and intended use. Basic types include pneumatic motors that convert compressed air into rotary motion, pneumatic cylinders that provide linear motion, and various types of pneumatic tools such as drills, screwdrivers, hammers, and more.

Advantages of pneumatic machines

Pneumatic machines have a number of advantages over other types of machines. Among the most important are their high reliability, ease of maintenance and safety. Due to the fact that they work on the basis of compressed air, they are not threatened by the risk of sparks, which makes them ideal for use in environments with a high risk of explosion. Other advantages are clean operation (without the use of oils or other lubricants) and quick response.

Applications of pneumatic machines

Pneumatic machines are used in a wide range of applications. In industry, they are used for automation of production lines, assembly work, material handling and for a number of special applications, such as in the field of pneumatic tools. In the automotive industry, they are used for assembly and disassembly work, in the construction industry for demolition work, drilling and compaction of materials.

There are a number of machining methods and each of them has its advantages and is suitable for use in different situations. Today we will introduce electroerosive machining, which belongs to lesser-known methods, although it is widely used in many branches of industry and a whole range of products can exist only thanks to it. Electroerosive machining is also called electrospark machining and we can also meet the abbreviation EDM (from English Electric Discharge Machining). Electrospark machining consists in the removal of material by a series of discharges (sparks) that occur randomly between the conductive workpiece and the electrode as a tool. It follows that in order to use this method of machining, the workpiece must be made of conductive material. This method of machining can also be described in a very simple way: when the workpiece and the tool are brought together, an electric discharge occurs, which melts the microscopic particles of the workpiece material and, thanks to their removal from the machining area, the workpiece is machined to the desired shape and size.

The main advantage of this electroerosion method is that it can be used where other methods would be ineffective. The workpiece and the tool do not physically touch and do not exert mechanical force on each other, thanks to which it is possible to machine even very delicate and complex shapes even from very hard materials such as hardened steel and the like. With this method, it is possible to achieve machining accuracies in the order of a thousandth of a millimeter and also to achieve a high quality surface of the material. Electroerosion is most often used in the production of pressing tools, injection molds for plastics, or in the machining of difficult-to-machine metals.

The company EDM – Tech s.r.o. also focuses on electroerosive machining. This company has been operating in the field of EDM for more than 13 years. Its business partners are large manufacturing companies such as Škoda Auto, Volkswagen, TOS Warnsdorf and many others. EDM – Tech offers electro-erosion machining, cutting, drilling of starting holes, surface grinding, milling, tool and mold construction using the KeyCreator system, production of molds for plastic injection, etc.

In some cities, plastic or paper can only be burned, so it may be debatable for some whether we should really sort 100%. But in the case of metal, it is always worth sorting. Production of aluminum cans from recycled material saves 90% to 95% of energy. Refining aluminum from natural deposits is very energy intensive. Copper, tin, iron and metals in general are worth recycling also because they are non-renewable and limited resources. The production price of these metals is always more expensive than the recycling price.

EKO Logistics, for example, deals with the disposal of metal waste. First, scrap metal is weighed by the company from all over the country, each material is weighed on arrival on a digital scale and then subjected to physical and chemical properties control in its own laboratory, which determines the quality and price of the material, which corresponds to the current development of the London Metal Exchange. Not only is this company capable of weighing scrap metal, but it can also remove electrical waste from the whole of the Czech Republic, for which it will always offer you a price quote for the specific type and amount of material intended for disposal, and will also issue you with an ecological disposal protocol for the handed over material.

EKO Logistics also disposes of used and stamped transformers of all types, sizes and weights. It also offers disposal of obsolete technologies, technological units of energy equipment, food and chemical industry, transport infrastructure, mining industry, handling equipment, rolling stock, cooling technology data centers, telecommunication masts and so on. You can always rely on the maximum competence and quality of the company. EKO Logistics holds a quality management certificate, an environmental protection system certificate and an international Weeelabex type 1 and type 3 quality certificate, which is required by multinational companies as the highest quality guarantee in the field of processing end-of-life equipment and electrical waste. The company also operates the purchase of all types of ferrous waste and non-ferrous metals from citizens according to the current price list.

Man has constantly invented ways to make his work easier. Thanks to this, today we have countless devices that make our lives easier and more convenient. We can no longer imagine many jobs without the use of technology of all kinds, and progress is far from stopping. Especially in industry, automation and robotization are advancing by leaps and bounds. The leading company in the design and production of single-purpose machines with a growing degree of automation and robotization is the company LUX. The company is based in the foothill town of Jablonné nad Orlicí, in a region with a long-standing tradition of engineering and electrical engineering industry.

Currently, LUX supplies custom machines primarily for the automotive and electrical industries. The mainstay is the custom production of automatic production and assembly lines according to the customer’s specifications. Countless experiences from many implemented projects guarantee that LUX will always find the best solution that will meet even the most demanding requirements. The basis of the company’s success are high-quality development and design capacities.

Automation in the form of deployment of robots will bring you an increase in efficiency, quality and reliability of processes. Robots are particularly suitable for applications requiring high precision, speed, repeatability and flexibility. They are part of the natural innovation of single-purpose machines in the field of a wide range of industrial applications. In addition to robotization, LUX also focuses on industrial automation in production and assembly technologies. Depending on your requirements, your workplace can become fully automatic, semi-automatic or manual. LUX offers a comprehensive solution in the field of development and construction of technological units and single-purpose machines, from the initial design of the technological process through detailed elaboration to the final design and realization of the complete delivery. At LUX, you can expect short delivery times, perfect processing of parts, designers able to solve a wide range of specific tasks based on the company’s experience with deliveries to distant countries.

In recent years, hydrogen mobility has been increasingly discussed as one of the key ways to achieve sustainable transport. Hydrogen technology offers many advantages, including zero emissions and quick refueling. However, one of the main limitations for the wider deployment of hydrogen fuel cells is the dependence on critical raw materials, especially platinum.

Breakthrough in reducing platinum addiction

Platinum is a precious metal that is only found in a few areas of the world, and its mining is often associated with environmental and social problems. This makes it not only expensive, but also a strategically sensitive material. This dependence on platinum is one of the main factors holding back the mass deployment of hydrogen technology. In this context, a great breakthrough comes from the Czech Republic. Czech scientists have developed a new technology that makes it possible to significantly reduce the need for platinum in fuel cells. This patent promises up to a tenfold reduction in the use of platinum, which could fundamentally affect the economics of hydrogen mobility.

Economic and sustainability impacts

Reducing the need for platinum would not only lower the cost of fuel cell production, but also help mitigate the environmental and social impacts associated with mining the metal. In addition, hydrogen technology could expand into many areas, including passenger transportation, public transportation, and even industrial applications. This Czech patent is an example of how innovation can contribute to solving global challenges such as climate change and sustainability. Reducing dependence on critical raw materials is key to sustainable development, and this development shows that even small countries like the Czech Republic can play an important role at the global level.

3,000 years ago they powered waterwheels, in the future they will generate green electricity: traditional sailing windmills that students of the University of Technology, Business and Design in Konstanz rebuilt using high-tech components. Maintenance-free operation of windmills is ensured by grease-free linear lines and polymer bearings of the company igus, which is represented in the Czech Republic by the engineering company HENNLICH.

Wind turbines as an ecological alternative

Wind turbines are being built all over the world as part of the global energy transformation. However, there is not enough space for these giants everywhere. Nature conservation often poses obstacles. However, according to the students of the University of Technology, Business and Design in Konstanz, this is not a reason why we should do without wind energy. Instead, they want to rely on small windmills to produce green electricity. In their project Sailwind 4, the young engineers plan to restore the Greek sailing windmill, the oldest known device for the use of wind energy – today it is a cultural monument across the Mediterranean from Portugal to France. While 3,000 years ago mills powered water wheels to grow grain, in the future they will use a generator to produce green electricity. This has a clear advantage: thousands of mills already exist and can be retrofitted as mini-power plants to produce green electricity.

Grease-free components reduce maintenance costs

In addition to the financial support of the project, igus also supplies free components for the construction of innovative windmills. When rebuilding the first windmill, the students will visually preserve the typical features of the historical model: the cylindrical body of the mill and the conical construction of the roof. The same applies to sails that rest on the main rotating shaft. Engineers will replace them with high-tech sails and connect the shaft to an electricity generator. At a wind speed of 14 m/s, the windmill should then be able to produce 5 kWp of electricity – which would be enough to supply a restaurant, hotel or small business. A small wind turbine can also be combined with a photovoltaic system and battery storage. „Perhaps there are similar old, unused windmills in the Czech Republic that could be converted into wind power plants. Compared to coastal areas, however, it is obvious that the Czech Republic will never be a powerhouse in the production of electricity using windmills,“ estimates Tomáš Vlk, product manager for igus smart plastics at the HENNLICH company.

Bonega, a word from the international dictionary of the Esperanto language. In translation, it means good, excellent. This is exactly how the two founders decided to name their company, and it was definitely appropriate. Thanks to Czech patents and innovations, subsequent production by proven manufacturers and inspection of each piece, it ranks among the top in its field. These fields are electrical installation material and intelligent residential water meters. The Bonega company has been on the market for more than twenty-five years, and their experience cannot be doubted. It is exclusively a Czech company.

The water meter calculates how much water a given apartment or property has consumed in a certain period of time and must always be fitted. It is not possible to be connected to the water system without a water meter. Since time, and with it progress, has progressed, it is obvious that water meters have also undergone certain changes. These are so-called smart water meters. Now water meters not only rotate and measure flowing water, but also have other properties. Mainly thanks to pairing with the application to which they send data remotely. It is possible to save up to thirty-five percent of water costs. The application enables the analysis of water consumption, even after minutes, so a person can better understand where he is wasting the most money and where he could improve. At the same time, it is possible to find out the indicative price of the water consumed so far. Another advantage of smart water meters is that they can shut off the water themselves in the event of a malfunction, thus preventing major damage not only to property and finding out where the malfunction occurs.

Not all tenants are friendly people and problems may arise when paying for water. An intelligent water meter will help us with this as well, which, without having to enter the apartment or interact with the tenants, will give us an accurate consumption analysis. Yes, remote water readings are magic. Not only when resolving conflicts, but also when taking regular water readings, intelligent water meters enable a comfortable process.

In addition, the Bonega company deals with the sale of electrical installation material. These can be, for example, circuit breakers, electricity meters, circuit breakers, contactors or distribution cabinets. As already mentioned at the beginning, the company makes its products of high quality and provides a warranty for them for three years. The products are very reliable, which plays a big role in electrical installation material. Among the main advantages of Bonega products are automatic start-up of devices after they are turned off, fault identification, emergency shutdown of electrical circuits and much more. Similar to smart water meters, electrotechnical equipment can also be operated very conveniently for the user. You just have to make the right choice.