Global sourcing risk by HS code

List of catalogs of this article:

• 1,Global sourcing risk by HS code Discussion on the water environment system of residential communities (I)
• 2
  、Is the community access control system under the control of the public security

Discussion on the water environment system of the residential community (1)

1. It refers to the water environment system that integrates the comprehensive utilization technology of water resources under the premise of meeting the water volume and water quality requirements of residents in the community. It consists of community water supply, pipeline direct drinking water, middle water, rainwater collection, sewage treatment, drainage, waterscape and other systems.

2. With the continuous development of research on ecological housing and green architecture in countries around the world, residentialDevelopment, planning, design, scientific research and other departments also have a deeper understanding of ecological housing. Establishing a good and healthy residential water environment system is an indispensable and important part of the construction of ecological housing.

3. However, because the water body in the residential community is a closed water, it generally has the characteristics of small water area, easy pollution, small water environment capacity, low water body self-cleaning capacity, etc., which is easy to pollute the water body and cause adverse effects on the environment. Therefore, how to ensure the cleanliness and pollution-free water in the community has become a topic of concern.

How to open the door of the community access control system

1. There are several ways to call to open the door of the community access control: swipe the card to open the door: just swipe the card Open the door. Password to open the door: Enter the fixed or dynamic password set by the administrator to open the door. ID card to open the door: Owners who have registered their ID cards at the property management office can directly swipe their ID cards to open the door.

2. Swipe the card to open the door. Just bring the door-to-door card. When you go out, swipe directly to the access control, and the door will open automatically. Open the door with the password. It may be a dynamic password or a fixed password. Just enter the correct password on the access control when entering and leaving. The owner in the community must know what the password is.

3. Call button: Press the call button in the access control system to contact the residents, confirm the identity and open the door. Password key: Residents can set a password in the access control system, and visitors need to enter the correct password to open the door.

4. If you are using a Huawei mobile phone, you can add the physical door key to your Huawei wallet in the following ways. After successful addition, it is equivalent to installing the physical access control card into the mobile phone, and you can open the door by swiping the mobile phone. Tip: Only models with NFC function are supported. Added method: Make sure that the mobile phone is connected to the network and turn on the NFC switch.

What is the role of the community access control system

The roles and functions of access control are as follows: the functions and roles of access control areThe access rights of the channel include real-time monitoring function, access record query function, abnormal alarm function and anti-tailing function. The access control system, also known as the access control system, is an intelligent management system for managers to enter and exit.

The function of the access control system is to ensure that only authorized personnel can enter a specific area. Expand knowledge: It usually consists of components such as card reader, controller, door lock, power supply and alarm. When the authorized person swipes the card, the access control system will read the unique identification of the card and compare it with the pre-stored information to determine the identity of the person.

The purpose of the access control system is to manage the entry and exit rights of vehicles. The access control security management system is a new modern security management system, which integrates microcomputer automatic identification technology and modern safety management measures. It involves many new technologies such as electronics, machinery, computer technology, communication technology, biotechnology and so on.

Access control is used to intercept strangers from entering and leaving the community and improving the security of the community. The traditional community access control system only plays the role of preventing gentlemen from villains. Strangers are easy to follow the owners of the community into the community, which obviously has certain disadvantages.

The access control management system can control the access of personnel, and can also control the behavior of personnel in the building and sensitive areas, and accurately record and statistically manage the digital access control system of data. Install control devices at the entrance of the building, elevators, etc., such as access control controllers, password keyboards, etc.

Access control system comes from the access control system. As the name implies, it is a system that controls the entrance and exit channels. It is developed on the basis of traditional door locks. It is very troublesome to manage the keys in the passageway where there are many people entering and leaving. If the key is lost or the person is replaced, the lock and key must be replaced together.

What are the community security systems

1. The security systems are as follows: Emergency Broadcasting System Emergency Broadcasting System In 1997, the system was Emergency Alert Syste M, EAS) replace. Building intercom system The building intercom system is mainly composed of host, extension, UPS power supply, electronic lock and door closer, etc.

2. Gas fire protection system (5) Digital monitoring system (6) Digital patrol system (7) Parking lot management system (8) Perimeter alarm system (9) Elevator five-party alarm system (10) Key centralized management system In terms of classification and subordination: the security system includes: ( 1) Power environment monitoring subsystem.

3. [Answer]: video surveillance system, intrusion alarm system, patrol system, entrance and exit (access control) control system, parking lot (warehouse) management system and visitor intercom system.

4. Peripheral anti-crossing alarm device: install various detectors around the closed community to prevent illegal intrusion. Residential alarm device: In order to ensure the personal safety of residents in the residence, various detectors are installed indoors for monitoring and the emergency call for help function is provided.

Is the access control system of the community under the control of the public security?

Return. The community access control system is used to provide a safe and convenient living environment, provide technical support for public security organs, and is used for investigating and solving cases, combat prevention, public security management and mobile population management systems, which are managed by public security organs.

Community intelligent security belongs to the case management department of the Public Security Bureau. The security system is an important technical means to implement security prevention and control. Under the current situation of expanding security demand, its application in the field of security technology prevention is also becoming more and more extensive. The security system used mainly relies on human visual judgment and lacks intelligent analysis of video content.

Simply put, it is to install an intelligent access control system in the residential building and enter resident information. Residents can not only swipe their cards, face recognition, and even open the door through the mobile phone APP. At the same time, the police station monitors the whole process of information such as the entry and exit of personnel and the change of the mobile population in the jurisdiction through the terminal.