Posts

Showing posts from June, 2020

Tell what is the AHD used in the truck monitoring system

Recently, the network eye AHD, as a new product and technology in the field of high-definition security, has aroused widespread concern in the industry. Many people do not fully understand what AHD is. Truck monitoring system manufacturers here give you a more comprehensive explanation. 1. Concept In a general sense, AHD is the abbreviation of American Heritage Dictionary, that is, the phonetic transcription of American traditional dictionary. This interpretation is often used. From a security perspective, AHD stands for Analog High Definition. Analog High Definition means simulating high resolution. Regarding High Definition, in simple terms, we usually call the format with a physical resolution above 720p as HD, or HD for short. The vertical resolution refers to 1080i, 720p or 1080p. 1080i refers to a resolution of 1920×1080, adopts interlaced scanning, and presents 30 full frames per second; 720p refers to a resolution of 1280×720, adopts progressive scanning, and presents 60 comple

Is the car camera waterproof?

Eagle Mobile Video is a manufacturer of car surveillance cameras. When you buy a car camera, you may wonder if this camera will get into the water if it rains? Now Shenzhen Eagle Mobile Video can show you how our camera is Go waterproof.   After the waterproof camera is completed, it must also pass the waterproof test. Eagle Mobile Video car cameras have to pass 6 waterproof tests before they can be shipped. But how can we make a camera that is not afraid of the sun? Because our cameras are all It is installed outside the car, and how to waterproof it must be a topic that everyone is very concerned about.   The waterproof camera is filled with waterproof glue, which is the black glue on it. We ship a lot of VGA streaming media and many other cameras are glued and waterproof. After installing the casing, inject waterproof glue directly. After the glue is solidified, it will be integrated with the camera. The Eagle Mobile Video car camera on the market has not yet appeared. Water in the

Installation requirements of car camera

1. The working temperature of the car camera on the market is between 0-50 degrees, because it is inside the car, the temperature requirements are higher than the requirements of the ordinary monitoring host, the main left and right of the car camera is to monitor the working status of the driver and the hut crew , And sudden time monitoring, provide good evidence for traffic accidents, and function as a car black box.   2. The cameras on the market generally have two kinds of storage devices, ordinary computer hard disks and sd cards. The sd card is characterized by good shock resistance, but the storage space is only about 8 hours, and the maintenance cost is large. The ordinary hard disk can support 300g , You can record a month.   3. In fact, in addition to the monitoring function, the car camera also has multimedia playback, vehicle speed, license plate number, speed overlay, driver information overlay and gps/gprs and wireless transmission functions.   4. The car camera has cer

What Is The Difference Between A Fly Laser Marking Machine And A Static Laser Marking Machine

The online fly laser marking machine basically covers the entire application range of the static marking machine, that is, online marking and marking on the surface of various products or the surface of the outer packaging. Online fly laser marking is no longer a simple labeling product. Dates and lot numbers are very different from traditional laser marking machines that can only mark stationary objects. In the marking process of online fly laser marking machine, the product keeps flowing on the production line, which greatly improves the production efficiency and makes the laser marking machine adapt to the requirements of industrial production. It has the following advantages: 1) Unique visual and tactile effects and never-scratch features 2) Strong anti-counterfeiting and anti-smuggling characteristics 3) Meeting the diverse needs of marking marking, automated production, line production, and the need for unconventional interface materials So what is the difference between a flyin

Introduction and analysis of three HD cameras, AHD, TVI and CVI

Now the monitoring installations are all network cameras by default, so most of our technical articles are aimed at network cameras. Of course, some friends will ask analog cameras in the background, especially about AHD, TVI and CVI cameras. Several friends have asked . Although it is not used much, it is still a separate article to discuss with you. AHD, TVI and CVI are analog high-definition surveillance cameras. AHD analog high-definition camera is a kind of analog camera. It operates like a traditional analog device and transmits with a common video cable SYV-75-3 or 75-5 coaxial cable, but it can achieve low cost, long distance, anti-interference, Mega-pixel HD video transmission without delay. HDTVI high-definition video transmission interface camera, it is a high-definition video transmission specification based on coaxial cable. HDCVI high-definition composite video high-definition video camera is a high-definition video transmission specification based on coaxial cable, whi

Laser Marking Machine Helps Food Enterprises Improve Efficiency And Reduce Cost

In order to meet market demands as well as respond to national calls and bring safe food to consumers, CYCJET laser printers have developed LC series CO2 Laser marking machine after conduct in-depth research, improve and update the production technology of printers. LC series laser coding machine have been widely loved by companies in the food industry since its listed. Features of LC series laser marking machine: 1.  CO2 laser marking machine  mainly adopts American coherent laser source, high-performance galvanometer scanning system, the control software jointly developed by CYCJET and domestic well-known software companies, which with fast speed and stable performance. 2. Well laser mode, long service life, continuous operation up to more than 25,000 hours, high efficiency electro-optic conversion and low overall power consumption. Super strong air-cooling fan, high temperature workshop is still stable and consistent. 3. Easy to operate the system, flexible and convenient to change.

Even in the Dark: How Packaging Persuades You to Buy

This week we will explore how product packaging affects what we buy. If you go back to the sixth grade biology class, you will have some knowledge of birds and bees. You may remember that they need to be pollinated in order for the flowers to breed. The work was given to a variety of creatures, such as birds and bees. This is a reciprocal relationship. The brightly colored flowers attract the bees, which stick the pollen to the lower leg, then fly to the next flower and put the pollen down. The flowers will give the bees sweetness, which is their annoyance. This is a good deal. But some orchids have shortcomings. They have no nectar. Therefore, orchids must use different techniques to attract pollinators. Some orchids give off nectar-like scents. Produce plants that attract bees to visit. Some orchids emit mating scents like female insects, attracting affectionate males. Some orchids have parts similar to the body of female insects, with body hair and tentacles, attracting male insect

Japanese Handmade Eyeglasses

As the most famous craftsman of glasses, he is famous for his high-quality handmade glasses. Many movie stars and celebrities, such as Kimura Takuya, always appear in public wearing hand-made glasses from Tai Hachiro. The glasses are made in a strict traditional process and shine brightly. The wearer will look particularly charming and charming. Mr. He is very obsessed with the spatial relationship between glasses and the face, and his glasses are very artistic. Through his work, one can easily observe his idea that glasses can achieve everything and they can be called wearable buildings. However, Mr. He lives in a small town in Japan, and he has made 200 pairs most skillfully, which is his highest point every month. Moreover, his son did not inherit his technology, so every pair of Japanese glasses is very precious, and of course, the price is also very high. Usually you have to place an order three months in advance, or it is difficult to buy glasses that are too handmade by Hachiro.

Inverter manufacturer V&T

The frequency converter is a power control device that uses frequency conversion technology and microelectronic technology to control the AC motor by changing the frequency of the working power of the motor. It is mainly composed of rectification (AC to DC), filtering, inverter (DC to AC), braking unit, drive unit, detection unit, micro-processing unit, etc. The frequency converter adjusts the voltage and frequency of the output power supply by turning on and off the internal IGBT, and provides the required power supply voltage according to the actual needs of the motor, thereby achieving the purpose of energy saving and speed regulation. In addition, the frequency converter has many protection functions , Such as overcurrent, overvoltage, overload protection, etc. With the continuous improvement of industrial automation, the inverter has also been widely used. The characteristics of the inverter:     ①Multiple PWM control is adopted, and the output voltage waveform is close to a sine

V&T Technologies launched a batch of extended range passenger cars (EREV)!

Shenzhen V&T Technologies Co., Ltd, with its own R&D and production of passenger car ev motor controllers, cooperated with a well-known domestic car company. After close cooperation of the professional teams of both sides for nearly half a year, it successfully completed a series of extended-range passenger cars (EREV) The rigorous testing of passenger vehicles in batches has been successfully launched in the second half of 2019. From design, development, testing, production, inspection and other links, follow the automotive industry quality system standards. Adopt Infineon main control chip hardware platform, support UDS-based Boot Loader international mainstream automotive electronic product online program update function and UDS diagnostic function. Integrating excellent supply chain resources at home and abroad, and benchmarking international high standards, provides a strong guarantee for creating high-quality passenger car electronic ev motor controller . Shenzhen V&T

The development of China inverter in inverter high-end brand market

Inverter products industry in China in recent years the rapid growth of the gross value of industrial output in the competition with foreign famous inverter brand products, domestic inverter brand of low voltage frequency converter in consolidate market position at the same time, more accelerated its high-end product structure transformation, through the thorough exchange, and the inverter user application of cutting-edge technology, product development and production of user satisfaction high frequency converter.  Although inverter industry started relatively late in China, domestic converter equipment manufacturing enterprises in terms of technology and brand influence and international inverter brand there are gaps, but domestic converter equipment production enterprise is not willing to form solid inverter product low-end market, on the contrary, domestic inverter production enterprises to face the technology gap, groping for a long time, organizational resources, special research,

Shenzhen V&T Technologies Co., Ltd won the 3rd China Excellence IR "Best Information Disclosure Award"!

On January 10, 2020, Shenzhen V&T Technologies Co., Ltd (stock code 300484) won the Best Information Disclosure Award in the 3rd China Excellence IR Awards. The results of this award have been announced at the 2020 Listed Company Investor Relations Innovation Summit and the 3rd China Excellence IR Awards Ceremony held on January 10. The company's securities affairs representative Mr. Su Jihai accepted the award on behalf of the company. The award won clearly shows the recognition of Shenzhen V&T Technologies Co., Ltd by the investment community. The "China Excellence IR Annual Selection" was jointly initiated by the International Roadshow Center of listed companies and Excellence IR, focusing on IR managers, IR directors, securities affairs representatives, board secretary, CFO, etc., awarded annual awards to those behind-the-scenes workers who silently paid to recognize outstanding listed companies and IR workers for their contribution to promoting innovation a

Ice cream display showcase industry will be better in the future

After years of development, my country's technology has made great breakthroughs in research and development, especially the ice cream display showcase, so a lot of high-tech has been used in the production of ice cream showcases, looking at the entire ice cream showcase market. The ice cream display showcase industry should make great efforts to improve the market competitiveness of ice cream display showcase enterprises , further expand the scale of ice cream display showcase enterprises, and further improve the quality of ice cream display showcases and the technology of ice cream display showcases. Our company should strengthen the supervision of production. As the development of ice cream showcase enterprises continues to grow, the competition in the ice cream showcase market is prominent. It is necessary to do a good job of people flow investigation. A good facade is very rare and the rent is also very high. When it comes to ice cream showcases, we need to think about it. Whi

What determines the thickness of the stretch film?

Stretch film is made of many sizes. Stretch films of different thicknesses have different functions. The thickness of the stretch film determines the packaging cost and performance requirements. What can determine the thickness of the stretch film? Listen to the sharing of Jintai Yongji technicians! The thickness of the stretched film can be determined by market generalization and standardization, the strength support is generally determined according to the weight of the packaged product, and the thickness of the functional stretched film is generally determined by the shelf life of the product. In order to know the thickness of the stretched film more clearly, we can start from the following points: 1. According to the larger allowable water absorption of the packaged product or the larger allowable dehydration of the product, this method is mainly suitable for the moisture-proof packaging design of the product, and the key is to calculate the moisture permeability coefficient of t

Water treatment equipment

Water treatment equipment 1. RO reverse osmosis membrane method water treatment skills RO reverse osmosis is a kind of pure water machine (also known as terminal water equipment) that can be directly consumed by humans by filtering raw water (physical method) without adding any compounds through the current popular international reverse osmosis method. ). The municipal tap water whose water quality complies with the regulations of the Ministry of Health's "Sanitary Standards for Daily Drinking Water Quality" (2001) is used as the raw water, and the raw water is pre-treated through two activated carbon filter elements (1 granular activated carbon, 1 sintered activated carbon) and 1 PPF soluble spray filter element. Filter, and then apply pressure to the pre-filtered water to make it pass through a RO (Reverse Osmosis) membrane with a pore size of 10,000 microns, and finally pass through the silver-loaded activated carbon (also called small T33) Adjust the acidity and alkal

Eight packaging methods of stretch film

1. Full width package This kind of package requires a film-wide cover tray, and the shape of the tray is regular, so it is suitable for use (thin and soft transparent sheet) with a thickness of 17 to 35 μm. Shenzhen stretched film usually uses MPE in combination with C4-LLDPE, but not all C4-LLDPE can be used with it, and should be selected. Machine stretch film mostly uses C6 and C8 materials, which is easy to process and can meet various packaging requirements. Due to the low stretching ratio, manual packaging mostly uses C4 material. 2. Hand wrapped This type of wrapping is the simplest of stretch-wrap film wrapping. The film is mounted on a rack or is held by hand and rotated by the tray or the film around the tray. The transparency of the film produced by the casting method of the stretched film manufacturer is high, so it will not be discussed here. As the number of C atoms in the comonomer of the material increases, the branch length increases, the crystallinity decreases, and

Basic knowledge of sealing filling machine

The sealing filling machine uses compressed air as the power and consists of precision pneumatic components to form an automatic filling system. The structure is simple, sensitive and reliable, and easy to adjust. It is suitable for various liquids, viscous fluids, and paste filling. It is also suitable for flammable Working in an explosive environment, it is the most ideal filling equipment for pharmaceutical, chemical, food, cosmetics and other industries. Features of sealing filling machine: 1. The machine is a semi-automatic piston sealing filling machine . 2. The machine is designed reasonably, the model is compact, and the operation is convenient. The pneumatic part adopts the starting elements of German FESTO and Taiwan AIRTAC. 3. The material contact parts are made of 316L stainless steel. 4. The filling volume and filling speed can be adjusted arbitrarily, and the filling accuracy is high. 5. The filling bulkhead adopts anti-drip and upgraded filling device.

What are the differences between a adaptor and a power adapter?

It is known to all that people who go out to travel or study abroad on business will bring all kinds of electronic products. These include laptops, tablets, mobile phones, GPS, razors and other electronic products. If you are traveling or traveling for business, you will need a adaptor or adaptor. Therefore, we should be familiar with electrical products so that we can live and work with them without breaking down. First of all, the power adapter " rel="noopener noreferrer" target="_blank"> adapter is an interface converter. It can be a separate hardware interface device, allowing the hardware or electronic interface to be connected to other hardware or electronic interfaces, or it can be an information interface. Examples include power adapters, tripod adaptors, USB and serial adapters, etc. Power converter is mainly used to convert a form of socket into a form or a variety of forms of socket, and mobile phone charging, electric vehicles are also a type of

Analysis of saturated cooling tower for grinding dust collector

The saturated cooling tower of the grinding dust collector is used to instantly cool the high-temperature flue gas to the corresponding saturation temperature by spraying a large amount of water into the high-temperature flue gas with a liquid-gas ratio up to 1 ~ g/m3. In the high-temperature flue gas wet purification system, such as the converter gas purification system, this cooling device is generally used. In addition to cooling down, it also plays a role of coarse dust removal. A large amount of dust is collected by water to form sewage into the sewage treatment system. Overflow Venturian tube in converter wet purification system is a typical device of saturation cooling. The dust removal device of electric furnace adopts the bag filter, that is, the dust removal system is dry dust removal, requiring high-temperature flue gas cooling with dry cooling or not saturated cooling. So saturated cooling tower equipment is not suitable for electric furnace and other dry dust removal. Gri

Frequency converter widely used a surge in demand industry in our country

Since the 21st century, China's inverter market growth rate as high as 20%, far more than the same period GDP growth, and market expansion and diversification of client demand, make the domestic market of industrial control frequency converter continuously improve product functionality, integration and systematization degree is higher and higher, more convenient operation, which is suitable for some special industries and special inverter products.  At the same time, the application of frequency converter field is also growing. From the factory production and processing equipment to the central air conditioning, from heavy machinery to the textile industry, from 0. 4 kw small power to 900 kw high-power motors have been widely used, and achieved significant economic benefits. Reports show that the frequency converter industry in our country in maintaining the momentum of rapid development in recent years, industry sales income 145, 2008. 8 billion yuan, rose 27. Achieve sales reven

History of Servo Controller Mechanism

The secret behind running a fancy remote controlled toy car and that of a commercial airliner may be one in the same. While it may seem confusing at first, it's important to know that both have the basic mechanics of servo controllers in them. This is not a new phenomenon, having been in existence for nearly a century. However, before getting into the history, let's understand servo mechanism.  A servo control motor is an electro mechanical device which consists of an electrical input that helps identify the position of the armature of a motor. Servo mechanism simply speaks of a system where a feedback or error correcting signal helps in the managing of speed, mechanical positions and other relevant parameters. The working mechanism of a servo amplifier is extremely simple. The control circuits that exist inside the potentiometer and the servo are linked with the output device, known as the shaft. It is the potentiometer which assists in the regulation of the angle of the sh

How to choose the correct inverter

1. Understand the specifications and main parameters of the inverter:  1.1 Rated power of the inverter: the maximum power when the inverter is running, sometimes it is necessary to increase the capacity of the inverter according to the load and use environment.  1.2. Rated current: The inverter operation is the maximum working current, and the inverter current must be greater than the rated current of the motor used.  1.3. Rated voltage of inverter: working voltage of inverter. 220v, 380v, 660v, 690v, 1140v and high voltage inverter .  1.4. Inverter overload capacity: 120% overload for fan and pump inverter, 150% universal overload. 1.5. Can the various parameters of the inverter meet the requirements of use: usually the basic functions of the inverter can meet the requirements of regular use, but some special industries need special functions, you need to choose the corresponding special inverter.   2. Reasonable selection according to load power and load type. The load of the motor i

DMX Connector for Cable Male/Female XLR

Image
Is the DMX male and female connector( dmx connector ) of outdoor lighting connected in series or in parallel? What is male and female plug? There are waterproof male and female plug 2 Pin 3 Pin 4 Pin 5 Pin Connector waterproof wireon the market,for LED driver quick connector wire connector plug-in. I currently have a five-wire plug.A needle comes out called a male There are a few holes called female heads Are these five wires for dry hemp? Two red and blue are positive and negative of the power supply +/-  The remaining three are the positive and negative of the signal, and the ground wire. They can be plugged in and screwed in, this is waterproof . Then the two sides are connected to the lamp, and the two lamps can be connected together through such a connector. Then it looks like a lamp, a Female head comes in, a male head goes out,there is a lamp in the middle, it looks like it's called series connection But in fact, it is not connected in series. The positive and negative p