In the daily police service, if some work is to be completed, it may consume a lot of manpower and material resources. For example, in the large-scale pursuit, a large number of police forces need to be deployed and the terrain survey needs to be carried out to provide geographical information for the later round up. However, if the police force is deployed to carry out topographic survey, it is undoubtedly a big project. At this time, the role of the police UAV is reflected. The UAV flies to the high altitude and takes many high-definition pictures, and the terrain situation can be seen at a glance. Of course, the role of the police UAV is not limited to this. Next, we will analyze its role in detail.
First of all, introduce the UAV, which is an unmanned aerial vehicle controlled by radio remote control or program. It is composed of aircraft platform, flight control system, onboard equipment and radio remote control system. It can realize reconnaissance and attack, affect the acquisition and transmission of audio, transport and delivery of goods, on-site intervention and other functions, also known as the UAV system. UAV is known as aerial robot. Its commanding perspective can monitor ground conditions in a large range, and can quickly reach places where people are not easily involved. It can efficiently carry out tasks such as investigation, monitoring, tracking, monitoring, patrol inspection, and reduce personnel risk. It has important application value in public security business fields such as security control, emergency response, anti-terrorism and stability maintenance.
However, ordinary UAVs do not have many functions mentioned above, so the functional requirements of police UAVs need to be pointed out by police professionals. This process can also be called the standardization of UAVs.
So what is the application of police UAV in emergency police security?
1、 Introduction to emergency police security
Emergency police security is the most effective means in the current police work. Emergency police security has irreplaceable characteristics, because under the current conditions of the times, the police's response ability, police speed, and emergency handling ability all mean whether the incident can be solved, solved faster or more efficiently. Good emergency police support can effectively control the case.
Although the emergency police support has such a great effect, in fact, the current system is not perfect, so the priority is to standardize the UAV. In the 2018 standard of the Ministry of Public Security's "Police Unmanned Aircraft System", the relevant provisions of the UAV have been improved at the legal level, and also indicate the rigid requirements and functional requirements of the UAV. It also puts forward requirements for research, development and training of UAVs. This is undoubtedly a major milestone in the standardization of UAVs.
2、 Application of Police UAV in Emergency Police Support
（1） Notification function
Although the life of most people in today's society is very peaceful and comfortable, it is hardly known that the danger is hidden around us. The fire in the mall, the hijacking of people, and the explosion of the electric box are all possible and real, so in this critical moment, the police force can not arrive at the scene in time in most cases, and the common sense of safety and emergency avoidance methods can not be fully popularized at present. So, at this moment, the role of police drones is also playing. Because of the sudden nature of the event, the information transmission will certainly be delayed. However, if there is a police drone deployed, the police can be notified quickly, so as to achieve the effect of alerting the police at the first time.
（2） Emergency fire protection function
When an emergency occurs, most people can't find a solution and apply it in time. At this time, they need to rely on the power of science and technology. The advantage of the police UAV lies in its ability to rapidly deploy on the scene. The police UAV can be equipped with a high-altitude loudspeaker for the command of emergency evacuation to avoid more serious injuries caused by untimely evacuation due to panic. In addition, UAVs can also be equipped with tear gas launchers, which also have a certain response effect to kidnapping and hijacking incidents.
（3） Investigation and arrest
This is the most important role of UAV in case response. For escaped prisoners, the cooperation of unmanned aerial vehicles is required when the police force is deployed. Because of the high altitude, the surveillance range of UAV is very wide. With the help of UAV's photographing and evidence collection of terrain, the police can quickly determine the terrain situation, where is suitable for containment and where is suitable for additional police force, and can rely on the information transmitted by UAV to deploy quickly. This undoubtedly improves the efficiency of case investigation and reduces the probability of escape of prisoners.
（4） Emergency rescue
The location of many emergencies may be difficult for rescue workers to reach, such as mountains and lakes, and the most important thing for emergency rescue is to buy time. Then the police UAV has played its role. In places where vehicles can't arrive in time, and in rescue places where people need to go on foot, the UAV's disregard of the role of the terrain is very valuable. The UAV can rush to the rescue site first to explore the terrain, so that the rescue personnel can quickly formulate the rescue route and save time for the rescue. The horn mounted on the police UAV can also be used by the rescue personnel to command the self-rescue measures of the injured and extend the effective time of rescue.
5） Traffic management
As we all know, traffic problems are the top priority of all kinds of emergency problems. Traffic accidents can be small or large. If a major traffic accident occurs, once it is not handled in time, its chain reaction will be unthinkable. On weekdays and holidays, traffic congestion is likely to occur. If you rely on the camera alone, you will surely miss something. Therefore, relying on the police UAV, we can quickly identify the road conditions, take pictures of the specific conditions of traffic accidents or congested road conditions, and quickly send them back to the relevant departments, so that we can quickly confirm the situation, formulate the route, and notify the effect.
（6） Anti-terrorism investigation
In all kinds of criminal investigation film and television works, there is always such a scene: the robbers occupy the favorable terrain, use concealment, and constantly exert pressure on the police. However, the police did not dare to act recklessly because they did not know the internal situation, and in order to avoid unnecessary casualties, so they wasted the best time to crack down on bandits and rescue hostages. However, the use of police drones will make the situation in the film and television theme impossible. The police UAV can easily infiltrate most large and medium-sized buildings through its small and flexible volume and the characteristics of remote operation. After sneaking in, you can rely on many ways to detect and obtain information. Even if there is a wall block, you can also rely on thermal sensors and other carrying tools to detect. After the information is sent back by the UAV, the police can follow the map and plan the best way to implement the attack and reduce the possible casualties.
（7） Night work
The work at night is not easy for police workers. First of all, the inverted work and rest make the human body unavoidably uncomfortable. Then, due to the low visibility at night, the police may miss many clues and opportunities. The police UAV can easily be competent for night work. With its attached infrared thermal imager, the police can intuitively observe the movement of living bodies on the ground at night, and can easily identify vehicles or people hidden in the grass and trees.
（8） Wide applicability
Although the police UAV is in the position of high-tech, it can be used in most scenes and for most security departments because of its universality and low cost compared with other high-tech. In addition to the public security UAV application, there can also be the urban management UAV application (responsible for the daily management and supervision of the city), the armed police UAV application (most special scenarios, such as the need for investigation, anti-terrorism scenarios), and the border defense UAV application (used to observe the border dynamics, prevent the cross-border invasion of smugglers and foreign troops, and collect the information required for border defense).
3、 Current situation of police UAV
It is reported that police drones have been in a popular state. Since 2017, the purchase volume of police drones has increased rapidly, reaching more than 700 in that year. The application of police drone cases is also gradually increasing. In 2017 alone, 332 cases were involved, with the amount of more than 250 million yuan. From the perspective of various data, the application of UAV has completed its initial form, and now it only needs to be further developed and widely applied. At the same time, it can also be concluded that the role of police UAVs is gradually being explored and applied, and it is just around the corner to be widely used.
4、 Summary
In daily and special police work, police drones play a very important role, and can play a role in various special operations, especially in emergency police security, which has a revolutionary effect and provides great convenience for the case handling process. However, at present, most of its functions remain in the aspects of investigation, shooting and evidence collection. Even the delivery of materials cannot carry too many materials because of its small size. If the police UAV can develop more practical functions in the future, such as carrying a large amount of materials, increasing the concealment color that changes with the environment, increasing the weapon system, or reducing the cost through improvement, etc., the police resources will be greatly relieved, the police will have more time to solve all kinds of affairs, and there will be more and more efficient solutions to emergencies.
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