Long-distance wifi transceiver module Oilfield city vehicle Mesh ad hoc network wireless emergency communication solution. In the oil field, fracturing refers to a method of using hydraulic power to form cracks in oil and gas layers during oil or gas production, also known as hydraulic fracturing. .Fracturing is a way to artificially create cracks in the ground to improve the underground oil flow environment and increase the production of oil wells. At the same time, it also plays an important role in improving the flow conditions at the bottom of the oil well, slowing down the interlayer and improving the operating conditions of the oil layer.
Aiming at the high-pressure and high-risk workplaces in the oil field, a set of on-site wireless transmission solutions was provided for an oil-site fracturing vehicle. The following is a long-distance wifi transceiver module solution.
On-site customers require that real-time video surveillance images be transmitted to the working status of 10 to 30 fracturing vehicles through wireless devices. If the fracturing vehicles are found to be abnormal, they can be dealt with in time. In order to ensure the safety of personnel and equipment in the work area, and to take into account the later application expansion.
In order to ensure safe production, scientific management, ability to resist and defend against disasters and man-made sabotage in the high-pressure oil pumping management area, and meet the needs of customers for practicality, reliability, ease of use, and convenient follow-up maintenance, long-distance wifi transceiver module MESH network Gigabit equipment is used Connect to the self-organized network transmission method, each vehicle is equipped with an ad-hoc network wireless device to connect to the high-definition camera, several working vehicles are used as a group of transmitting devices, and the gigabit MESH receiving device is installed in the nearby monitoring vehicles. At the same time, long-distance wifi transceiver The module MESH self-organized network vehicle equipment is installed on the vehicle. If the vehicle shakes violently or the vehicle position moves and the signal from the base station is disconnected, the MESH emergency mode will automatically start to connect to the network equipment with the strongest signal nearby, to ensure that the transmission signal can be transmitted without interruption. Return to monitoring vehicle in case of delay.
If the video receiving data of the on-site monitoring vehicle needs to be transmitted to other places, the on-site video transmission signal can be transmitted to other monitoring receiving points through the relay point. Taking into account the mobility of the working vehicle, it is recommended that all transmitting equipment select a full antenna to ensure that the signal transmission is not limited by the direction and achieve a full transmission state. The long-distance wifi transceiver module MESH network equipment at the receiving end is connected to one to three 120-degree angle antennas according to the site conditions, covering the equipment signals at the site transmitting end. Considering environmental factors such as on-site space and receiving bandwidth, if there are 30 vehicles on site that need to be connected to two receiving devices, every 15 vehicles on the site is a group of transmitters connected to one receiving device. At the same time, the transmitting and receiving equipment use the same frequency integrated network, and the receiving equipment can be seamlessly connected even if the working vehicle is changed.
The MESH network mode scheme of the long-distance wifi transceiver module designed for the customer ensures that the vehicle transmits high-definition video in a mobile environment, and solves the problems of anti-interference, anti-multipath capability and anti-destructiveness of communication transmission during fracturing vehicle work. At the same time, it satisfies the customer's fast network, no communication needs of the center and any topology structure, and provides great convenience for the customer's on-site use.
The wireless emergency communication group network solution of long-distance wifi transceiver module in western cities, western China accounts for about 71.4% of the country's land, suitable for development of 100 million mu of arable land, accounting for 57% of the country's arable land reserve resources. The western region has extensive mineral resources, land resources and underwater resources, and the development resources are very large. We are affected by West-East Electricity Transmission, West-East Gas Transmission, Sichuan-East Gas Transmission and so on. However, since most of the terrain is distributed in mountainous areas and the climate types are changeable, large-scale geological disasters tend to form in the face of steep terrain and high-intensity rainstorms. This is the reason for the frequent occurrence of geological disasters in the western region. Residents bring many hidden dangers.
On September 26, the Deputy Commander-in-Chief of the Ministry of National Defense and the Minister of Emergency Management hosted a video conference. The meeting pointed out that we should adhere to rolling discussions and judgments, strengthen short-term forecasts and early warnings, and effectively deal with extreme weather, such as short-term heavy rainfall, short-term forecasts and early warnings, and closely integrate emergency actions with local emergency plans. Comprehensively investigate risks and hidden dangers, implement various flood control measures, investigate major risks and hidden dangers, especially foreign construction teams and shed sites, and eliminate blind spots and loopholes. We should attach great importance to social mobilization and social organization, activate grass-roots organizations and social forces in a timely manner, and effectively use mobile phone text messages, television, radio, and newspapers to conduct extensive social mobilization to ensure that every family informs every family. Important roads in disaster-stricken areas should be controlled in time to prevent secondary disasters. Emergency management departments at all levels have the courage to take responsibility in the spirit of being highly responsible for the safety of people's lives, be good staff assistants, make rescue preparations, start responding in time, strengthen mass organization and mobilization, and implement autumn rain and flood prevention. measures to implement work safety.
In response to major disasters and accidents, a set of communication systems suitable for western terrain and emergency situations have been customized for western cities. In view of the high incidence of terrain and geological disasters in the western region, in order to ensure that the bureau has a complete and available communication system, the actual situation on the scene can be returned to the command center in real time, and emergency instructions can be issued at any time. Our company has established a mesh network communication system independently developed based on long-distance wifi transceiver module.
Front-end rescuers are equipped with single-person network equipment, and return the actual situation to the on-site emergency command vehicle or drone through the on-site self-organized network link. The link can carry 1080p~4K high-definition video, high-definition images, high-definition two-way, and other environmental data information, personnel sign information, other sensor information collected on site, etc.
After the on-site command vehicle receives the information returned by the front-end single group, the on-site command vehicle can return the on-site information to the command center through the special network of the command vehicle, 4G/5G, satellite and other communication means, so that the superior professional commander can quickly understand the actual situation on the spot , Collect the information returned by multiple single groups at the same time, comprehensively formulate emergency plans, quickly issue emergency action instructions, greatly improve frontline speed, on-site deployment, and rapid emergency response capabilities, so that rescue operations can be quickly put in place, effectively curb the loss of people's property, and effectively protect Safety of people's lives and property.
Equipped with front-end equipment, one-hand transmission equipment, micro airborne mesh equipment, and high-power emergency vehicle platform. Three long-distance wifi transceiver modules mesh self-organized network equipment linkage to form a complete on-site emergency command link; the back-end command center is equipped with dispatch command platform. The commander can quickly grasp the on-site trend through the emergency command and dispatch system, make quick decisions based on the information returned from the scene, and complete the on-site emergency command and dispatch through comprehensive analysis, form a complete emergency communication system and command and dispatch system, and establish a complete emergency plan and emergency measures.
Features
High adaptability, can support non-line-of-sight environment work, complex environment for various emergencies;
Whether it is a plain, hilly or mountainous environment, it has a wide coverage area and can achieve a large signal coverage area;
The device has strong anti-interference ability, and can automatically adjust the adjustment mode and transmit power according to the channel conditions. Eliminate interference from other signals. The characteristic carrier can also be manually turned off to prevent mutual interference;
High-strength anti-fading, OFDM technology, has excellent anti-multipath fading ability. A set of data is transmitted through multiple sub-carriers, and the signal time on each sub-carrier is longer than that on a single-carrier system of the same rate, making OFDM more resistant to impulse noise and drop;
The long-distance wifi transceiver module has flexible network, plug and play, and proprietary MESH communication protocol. Ethernet interface, transparent transmission, after connecting with the device, it can be powered on automatically after network communication;
According to the network scale, structure and speed requirements, it can be freely switched in different modes according to the on-site networking application, network scale, structure and speed requirements;
Real-time online, wireless transmission, to achieve efficient interaction and accurate and efficient command and dispatch capabilities;
Emergency alarm, quickly lock the location of the alarm personnel, and deal with it in a timely and accurate manner;
Ensure real-time scheduling of commanders and duty personnel, multi-channel data transmission, and ensure smooth signals;
Multi-level scheduling, in order to achieve fast and accurate command and scheduling processing, multi-level scheduling commands can be selected to deal with emergencies;
The rapid change of the system topology of the long-distance wifi transceiver module and the limitation of the high-speed movement of the terminal will not affect the fast movement and fast movement of high data bandwidth;
It is suitable for electromagnetic compatibility, shock resistance, temperature, humidity, etc. of equipment in actual combat environment, with reliable performance, and the design is fully suitable for on-site working environment;
The operation is simple, the operation is simple, you can get started without special training, support Ethernet transmission, without additional configuration, any network can realize mutual transmission;
Personalized customization to meet the customization of various customized solutions of customers;
Automatically notify the dispatch center and equipment maintenance personnel, fault self-inspection, parts system failure;
The cost of the long-distance wifi transceiver module is low, and its own system is equivalent to the standard cluster mode of digital management in various industries, and the cost is low;
Easy maintenance Compatible with different frequency bands, a variety of voice communication and data access interconnection, maintenance is more convenient.
