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Solution Industry ⎝⎛多人牛牛⎞⎠
1
智能家居防盗报警家电控制系统方案是怎样的?
- 01 - 17 2020-01-17
hit count: 0
The wireless intelligent security home network system is divided into several functions such as intelligent lighting control, universal remote control of home appliances, home security monitoring, telephone / mobile remote control, and computer monitoring. It will soon also integrate multimedia wiring, audio and video sharing, and access control into the system. In. This system is completely compatible with the home's traditional electrical installation wiring, that is, when the smart switch fails, it can be replaced temporarily with an ordinary switch. The design and installation of this system is also based on the basic principles of traditional home electrical installation. The intelligent lighting control, universal remote control of home appliances, home security monitoring, telephone / mobile remote control, and computer monitoring can be separated, combined, or reserved for wiring. Some functions are installed first, and they will be gradually added and improved in the future. Building blocks) to meet the needs of different users or control the amount of capital invested. In short, the system is very simple to design and install, has good traditional compatibility and inheritance, is easy to understand, and very easy to train and master. The basic debugging and setting of the wireless intelligent security home network system can be completed through a smart remote control; more advanced parameter settings or fault finding can also be easily completed with the help of smart home system management software. In short, let the installers and users interfere as little as possible, and try to be as automated and intelligent as possible. People-oriented, intelligent and simple are the design tenet of all products of Shenan Group. Basic principles of wireless smart home solution design Wireless smart home system solution design is very simple. The design and installation idea of the scheme is based on the basic principles of the traditional home electrical installation layout. The traditional home electrical installation layout usually consists of a strong power distribution box, switch and socket. The number of switches and sockets installed is configured according to the requirements of lamps, fans and household appliances. The Shen'an intelligent home network system is divided into the following parts to consider when designing: ...
2
烟雾报警器和燃气报警器的区别在哪里?
- 01 - 15 2020-01-15
hit count: 0
On the issue of security, many people are confused about the choice of this alarm. It is not clear what is the difference between a gas alarm and a smoke alarm, which will lead to some wrong judgments. They think that a gas alarm or a smoke alarm is installed. There is no need to install other alarms, and the two are often confused. Now, let ’s talk to you, what is the difference between a gas alarm and a smoke alarm? The difference between a gas alarm and a smoke alarm A gas alarm is a gas leak detection alarm device. When the gas leaks in the industrial environment and the gas alarm detects that the gas concentration reaches the critical point set by the explosion or poison alarm, the gas alarm will issue an alarm signal to remind the staff to take safety measures. The gas alarm is equivalent to automatic Fire extinguishers, etc., can be installed to drive exhaust, cut off, and sprinkler systems to prevent explosions, fires and poisoning accidents, thereby ensuring safe production. The gas alarm can measure various gas concentrations. Often used in chemical plants, oil, gas stations, steel plants and other places with gas leakage. Smoke alarm, a type of alarm, is commonly used in daily life. The most commonly used smoke alarms in the world today are photoelectric smoke alarms and ionized smoke alarms. The ion smoke alarm has an ionization chamber. The radioactive element used in the ion chamber is 镅 241 (Am241), which has an intensity of about 0.8 microcuries. It is in an equilibrium state of the electric field under normal conditions. When smoke and dust enter the ionization chamber, this balance will be destroyed In relation, the alarm circuit will send an alarm when it detects that the concentration exceeds the set threshold. There is an optical maze inside the photoelectric smoke alarm. An infrared pair of tubes is installed. The infrared receiving tube cannot receive the infrared light emitted by the infrared transmitting tube when there is no smoke. When the smoke and dust enter the optical maze, the receiving tube receives infrared light through refraction and reflection. The light, intelligent alarm circuit determines whether the threshold is exceeded, if it exceeds the alarm ...
3
烟感报警器是在什么情况下会不报警?领航卫士
- 01 - 08 2020-01-08
hit count: 3
The smoke alarm is actually another name for the smoke or smoke alarm. The smoke alarm realizes fire prevention by monitoring the smoke concentration. The ionic smoke sensor is used internally. The ionic smoke sensor is an advanced technology and works stably. Reliable sensors are widely used in various fire alarm systems, and their performance is far better than that of gas thermistors. Smoke alarms are widely used in fire alarm systems, and are installed in hotels, KTVs, homes, offices, campuses, etc., especially for warehouses, libraries, etc. that are prone to fire. Smoke alarms are classified according to their sensitivity. If it is Class I, smoking in the room can easily cause an alarm; that is, this level is very sensitive. If there is a fire, this level of alarm can leave sufficient time to extinguish the fire. . If it is a III alarm, you can safely smoke in the room alone, but many people smoking together may cause an alarm. How to make the smoke alarm not to alarm: Seal the smoke alarm with tape or plastic bag, the smoke sensor can't receive the smoke information; Turn off the buzzer, the alarm can't make sound, this way is not suitable for linkage fire alarm system; Remove the smoke alarm. If the wireless independent smoke alarm is no longer needed, you can remove it. Keeping the smoke alarm from sounding is actually not conducive to fire safety in the room. Try not to use it. It is worth mentioning that most smoke alarms are independent weak current systems, and cutting off the power in the room will not make the smoke alarm inoperative. At present, there are three types of smoke detectors (smoke detectors) in China in terms of sound. One is the bus intelligent smoke sensor, and the coded smoke sensor in the fire protection system has no buzzer, that is, there is no sound. After the alarm, it will flash and emit signals to the host. The second is independent smoke, 9V ...
4
如何区分于智慧城市、智能城市和数字城市这几个概念?领航卫士
- 01 - 08 2020-01-08
hit count: 9
Smart cities often intersect with regional development concepts such as digital cities, perception cities, wireless cities, smart cities, ecological cities, and low-carbon cities, and are even mixed with industry informationization concepts such as e-government, smart transportation, and smart grids. The interpretation of the concept of a smart city often has its own emphasis. Some views believe that the key lies in the application of technology, some view that the key lies in network construction, some view that the key lies in human participation, and some view that the key lies in smart effects. Some The leading cities for urban informatization construction emphasized people-oriented and sustainable innovation. In an era of rapid change in everything in the world, there is never a lack of concepts. However, from the moment the new concept is conceived, it is bound to be the beginning of the decline and forgetting of the old concept. The "smart city" can't escape the fate of various concepts that have been forgotten and fallen. The growth of cities has always been closely related to the expansion of information technology. With the development of science and technology, cities have gradually transformed from an industrial society to a knowledge society, and the form of the city has also gained a new attitude and definition in the process of this transformation-smarter cities. From the cities that people imagined in the past, to the cities that they saw with their eyes, and gradually to the "walking cities" proposed by British architect Ron Herren. Cities have gradually extended from static to dynamic, leveraging the convenience of the Internet, the Internet of Things, cloud computing, and big data. And all of the current status of the city that has gathered human wisdom will be completed "smartly" by humans under the "smart city" concept. Therefore, "smart city" can also be called "smart city". Clever, often known as having characteristics of vital signs and many body-aware creatures (humans), so cities are often given life by everyone. The city itself is the result of the continuous growth of life, and "smart city" is a constantly developing concept, which is the city information ...
5
红外探测器的操作方法是怎样的?
- 01 - 07 2020-01-07
hit count: 2
Infrared detector is a method that detects the infrared radiation emitted by the human body, and then collects the infrared radiation from the outside world to focus on the infrared sensor. In this way, the infrared sensor uses a pyroelectric element. When this element receives a change in the temperature of the infrared radiation, it will release its charge to the outside, and detect a series of alarms that generate an alarm after processing. So how does such an infrared detector operate? (1) Adjust the optical axis of the light projector. Open the cover of the probe, point the eye at the sight, and observe the effects in the sight. The optical lens of the probe can be directly turned by hand at 180 °. Adjust left and right within the range of °. Use a screwdriver to adjust the up and down adjustment screws below the lens. The lens system has an adjustment range of up and down 12 °. Repeated adjustments make the impact of the counterpart detector in the sight fall into the center position. Be careful not to cover the optical axis during the adjustment process, so as not to affect the adjustment work. The adjustment of the optical axis of the projector has a great impact on the sensitivity performance of the zone. Please be sure to carefully and repeatedly adjust it according to the correct steps. (II) Adjusting the optical axis of the receiver The first step: make preliminary adjustments to the optical axis of the receiver in the same way as the optical axis of the projector. At this time, the red warning indicator on the receiver is off, the green indicator is on, and there is no flicker, which indicates that the optical axis of the head is normal, and the emitter and receiver functions normally. Step 2: There are two small holes on the receiver, which are marked with + and-respectively. They are used to test the intensity of the infrared light felt by the receiver. The value is expressed by the voltage, which is called the photosensitive voltage. Insert the test leads (red +, black-) of the multimeter into the photoreceptor voltage of the photoreceptor. Repeatedly adjust the lens system to achieve the maximum photovoltage. In this way, the working state of the probe is optimal. Note: The four-beam detector has two sets of optical systems, which need to cover the upper and lower lenses of the receiver, and adjust the upper and lower photosensitive voltage values ...
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