Prison is a national penalty enforcement agency, an important part of state institutions, and one of the important links to achieve public security. Any negligence in prison security alert work will have serious consequences for public security. Therefore, the particularity of prisons determines The importance of prison safety technology prevention, prison safety technology prevention can effectively supervise prisons, and rely on high-tech intelligent technology to achieve extension and strengthening of civil air defense technology and physical defense application, prevent criminal violence, police hostage, jailbreak Escape, murder, forced censorship and other incidents, the establishment of a high-tech digital prison security technology prevention system, is of great significance to the normal operation and security of the prison system.
1. The necessity of prison safety technology prevention
In recent years, with the changes in prison structure, prison conditions and prison conditions, the prison security situation has become more severe, and the pressures on security precautions have become more and more serious. Prison security is the primary standard premise for prisons to achieve their work guidelines. Prison security is a large-scale system project. It is necessary to comprehensively apply the theoretical means of civil air defense, physical defense, technical defense, etc., to build a long-term effective security system for prisons, and to ensure the long-term security of prisons, including the development of science and technology along with science and technology. The Ministry of Justice has put forward the implementation of important instructions such as “scientific and technical police†and “political force to science and technologyâ€, which is increasingly valued by the prison department. The prison safety technology prevention work is complicated and responsible, mainly including the control, handling and provision of events. Video materials, etc., play an increasingly important role in ensuring prison safety and maintaining a stable regulatory order.
2. The role of prison safety technology prevention
Prison technical prevention can be said to be an extension and strengthening of manpower prevention and physical prevention. It is a supplement and enhancement of manpower prevention and material prevention in technical application. It relies on civil air defense and physical defense, and is integrated into it to ensure security. The three basic elements of detection, delay, and response continue to increase the high-tech content, and continuously improve detection, delay, and responsiveness. On the one hand, the detector should be accurate, the delay time should be appropriate, the response should be rapid, and on the other hand, the response time should be less than the detector detection plus delay time, so that the prevention means can really play a role in ensuring prison safety.
3, the need for prison safety technology prevention
Violence or emergency occurrence in the surveillance area (fixed point wireless/wireline emergency alarm button in the surveillance area)
It is installed on the wall of the fixed activity place in the prison and the place where there is a possibility of an emergency. When a violent incident or emergency occurs, the relevant person simply presses the emergency button on the wall and the device sends an alert message to the prison joint defense alarm receiving center.
Fixed-point wireless/wireline emergency alarm button in the surveillance area, embedded button to prevent false alarms can be carried around or mounted on the wall for the purpose of walking around, can send emergency help signals 24 hours.
Prison perimeter perimeter invasion / escape protection (laser detectors at the perimeter of the prison wall)
In order to prevent illegal intrusion and various sabotage activities, the traditional precautionary measures are to set up some barriers or barriers (such as blade gill nets, high-voltage power grids) at the perimeter of the high wall of the prison to arrange for personnel to strengthen patrols. Manpower prevention is often affected by factors such as time, geography, personnel quality and energy, and loopholes and mistakes are inevitable. Therefore, the installation of an advanced prison perimeter detection and alarm system has become a necessary measure. The fifth generation of Viandas - Intelligent Beam Identification The flagship version of the laser-detecting perimeter detector, once the invaders/herwalkers are found, can immediately issue an alarm, as if the wall of the important area has an invisible eye. The electronic fence "loyally guards the perimeter of the prison wall.
4, prison wall perimeter invasion / escape protection system composition
The perimeter defense alarm system consists of the alarm receiving computer, the alarm host, the perimeter detector and the signal transmission part of the prison to form an alarm network structure. When the prison perimeter is illegally overtaken, the detector can immediately transmit the alarm from the level bus to the prison security management center, and the video surveillance system monitors the alarm situation. The prison management center will display on the electronic map. Cross the area to facilitate timely and accurate handling by security personnel. Its functional requirements are as follows:
1. The perimeter must be fully armed, with no blind spots and dead ends;
2. The detector is resistant to bad weather conditions and has strong interference capability;
3. The division of the zone is suitable for accurate positioning when alarming;
4. The prison management center identifies the alarm area through a display or an electronic map;
5. Over the area on-site alarm, while issuing voice / siren / warning lights, warnings;
6. The prison management center can control the recovery of the status of the front-end equipment, such as false alarms or accident processing completion;
7. Perform alarm center alarm status, alarm time recording and printing.
5, the fifth generation of Viandas - the flagship version of the laser on the prison security (perimeter alarm) application advantages
a. Strong appearance, impact resistance, resistance to external forces and adverse weather effects
The perimeter equipment of the prison system should take into account the damage of the equipment, and the explosion-proof equipment is required. The performance of the Viandas laser is stable. The whole is made of stainless steel. The mechanical structure of the system is precise. The laser system and optical components are processed by precision instruments. The internal structure is stable, the system installation is firm and reliable, and the laser intrusion detector shell is made of stainless steel. It is fixed on the cement foundation. In addition to the protective cover for sand and rain, the base with increased width can reduce the external force. The impact of the effective cut off the impact of strong wind on the structural stability of the system.
b. Laser anti-interference and stability
The application of the new generation of anti-jamming technology for laser detectors makes the normal operation of the equipment unaffected by the natural environment. It can work normally even under the glare of 50,000 illuminance, whether it is raining or snowing, or even fog. In the dusty weather, the product can also work normally, which greatly enhances the stability and reliability of the product.
Supports normal work under strong sunlight, and supports normal operation in a harsh environment - 40 degrees to +70 degrees Celsius, without false alarms, and the product can be used in any place on the ground at home and abroad.
c. Ultra low false positive rate
Ai Lifu combines the professional and precise optical application design in the alarm industry to make the launch and reception of laser radiation products safe and reliable. It is not easy to produce false alarms, and the anti-interference ability of laser radiation is outstanding. The precedent for achieving near zero false positives may be the perimeter alarm product with low false positive rate in the burglar alarm market. There have been precedents for not using false positives for one year.
working principle
A laser transmitter is arranged at the beginning of the prison wall or the warning area closer to the wall, and the laser receiver is placed at the end, and the directional strong laser beam emitted from the prison is directly directed to the receiving end, and the receiver receives the photoelectrically received device. The optical signal is converted into a binary signal and processed by a discriminator. When the confirmation signal is normal, the internal display blue light is extinguished and the monitoring state is maintained; thus, the monitoring of the full distance traveled by the laser beam is realized. When the beam is interrupted when there is intrusion or intrusion, the signal indicates that the blue light is on, and the alarm signal is output, and the alarm signal is transmitted to the alarm control host at the back end, and the host can identify the precise zone and position of the alarm zone, and The linkage function of the auxiliary monitoring monitors the scene where the alarm occurs.
Viandas fifth-generation intelligent beam identification--the flagship version of the laser detector has a high degree of intelligence and accurate beam recognition and detection and alarm capabilities. This product has passed the type certification and 3C certification of the three certification centers of the Ministry of Public Security. In prisons / detention centers, defense / military restricted areas, airports, nuclear power plants, petrochemical warehouses, banks and various key security precautions.
The Viandas laser has been successfully applied to: Shihezi Prison in Xinjiang, Pichaksong Prison in Xinjiang, Shayang Changlin Prison in Hubei, Xinkang Prison in Taiyuan City, Shanxi Province, Zhoukou Detention Center in Henan, Luyi County Detention Center in Henan, and Fugou in Henan County Detention Center, Shenyang Yuhong Detention Center, Liaozhong County Detention Center of Liaoning Province, Yulin City Detention Center of Shaanxi Province, Hunan Jinshi Prison, etc. More than 150 prison detention centers across the country to ensure the safe operation of important security sites such as prisons and detention centers in China. Made an important contribution!
Up to now, the Viandas laser intrusion detector has obtained more than 30 patent protections. It has passed the 3C certification of the Ministry of Public Security of China, CE certification, CALSS 1 safety laser certification, ISO9001 international quality assurance system certification, and Viandas laser radiation. The height of the curtain wall product, the number of beams, the detection distance, the beam spacing, the surface color, etc. can be arbitrarily customized to meet the protection needs of various different places and different safety levels.
Stainless Steel Casting
The real development of investment casting in China is only a few decades. In the past few decades, China's development has been very rapid, and its proportion in the world is very high. For some workpieces with complex structures and not very high precision requirements, if it is difficult to process with CNC or the processing cost is high, such workpieces are especially suitable for investment casting. Even if some parts require precision assembly, we can meet the requirements through local precision CNC machining, thereby reducing costs. Especially for stainless steel castings, it is used in many places. Because of its strong corrosion resistance, high strength and toughness, stainless steel can be used in some harsh environments. For the processing of stainless steel parts, it is nothing more than precision CNC machining, forging processing, stamping processing, casting processing or powder metallurgy processing, etc., and investment casting is a relatively low-cost, high-precision processing method.
SCZY is a professional manufacturer of metal products. Many stainless steel castings we produce are used in marine projects, navigation, medical equipment and other industries. We not only provide metal investment casting processing, but also provide supporting follow-up secondary CNC machining and Surface treatment machining. We can ensure product accuracy requirements and appearance quality requirements.
