Since Apple introduced ibeacon, a low-power Bluetooth-based communications protocol, in 2013, Google has also released eddystone based on low-power blue-voltage technology and a wave of beacon startups in China. Based on beacon near-field marketing information and other services to push information is to bring business to many potential market opportunities. After more than three years of development, the beacon location service industry chain has been very mature, and its application market has gradually pushed information from places such as commercial venues and gradually extended to intelligent parking, education, exhibition navigation, museum tours, industrial parks Personnel asset positioning, medical care, pension and other application scenarios.
Positioning the fragmentation of market demand, targeted at the application of rice-level positioning
At present, ibeacon positioning accuracy of about 3-8 meters, higher than the wifi positioning accuracy, although not up to UWB, laser positioning technology centimeter-level positioning accuracy. However, due to the fragmented positioning scene, some scenes require centimeter-level or even millimeter-level positioning accuracy such as robot positioning, while the shopping mall or industrial park positioning navigation requires only the meter-level positioning accuracy to meet user needs. In addition, beacon hardware cheaper, the overall deployment of the program is also low prices, which greatly promoted the beacon positioning applications in the field of mass positioning. ibeacon market to be aimed at the rice-class indoor positioning applications market.
Beacon positioning application pain points
However, the beacon positioning scheme also has many problems in its application. Beacon positioning scheme in the application of location drift occurs, and in the open area is not good deployment. To achieve better positioning accuracy requires intensive deployment. For the problem of location drift, some well-positioned companies that are now positioned to do this will solve this problem by using Bluetooth in combination with other positioning technologies or algorithms.
In addition, one of the biggest problems of beacon solution in practical application lies in the long-term maintenance problem of the application system. Need high-density deployment, a small number of beacon applications need a large number of scenarios. The traditional beacon battery working time is generally 3 years (reference search M1U ultra-low-power version beacon) or shorter, over time, different beacon power will have different changes, and there is no law, further affecting the positioning performance. After the battery is exhausted, a large number of battery packs need to be replaced (a beacon with a floor area of ​​100,000 square meters needs to be deployed with about 1,000 beacons when the positioning accuracy is about 5 meters). This leads to a large amount of post-maintenance work for the maintenance of power supply, high costs and difficulties in maintenance.
Based on this issue, some people have proposed a new solution to replace the existing built-in beacon battery with maintenance-free micro energy harvesting.
So, what is micro energy acquisition?
Micro energy harvesting is through the acquisition of environmental and human activities in the sound, light, heat, power and other forms of energy, to convert it into electrical energy for micro-low-power electronic systems or devices (such as mobile phones, such as electronic devices ), Which greatly extend the life of electronic products.
Micro energy acquisition technology, beacon power supply can solve the problem?
From the application effect point of view: no maintenance, smaller size
In the current beacon positioning solution, the forward positioning is generally battery-powered; the reverse positioning label is battery-powered, and the Bluetooth gateway and the data return network are usually powered by POE and other active power sources. Micro energy harvesting power supply in the indoor positioning applications currently mainly used to solve the problem of battery and beacon inside the battery maintenance. Beacon equipment replaced by micro-energy collection of the battery power, you can remove the latter part of the complex maintenance issues and improve the reliability of positioning solutions. For positioning tags, the battery inside the micro-energy acquisition module, the label can be lighter and smaller size, the user experience better.
From the application cost point of view: long-term use of lower cost than the original battery
According to the construction team's labor costs, hardware material costs and other aspects of the traditional battery Bluetooth beacon and micro-energy-based Bluetooth beacon cumulative maintenance costs were compared. According to the information provided by Shenzhen Haobo Hi-Tech, the current cost of the traditional beacon battery is 50RMB and the micro-energy beacon is about 3 to 4 times. In the short term, for example, the beacon works for 1 to 4 years, the traditional battery Bluetooth beacon has a certain The cost advantage. But after more than 4 years, the micro-energy-based Bluetooth beacon will have more cost advantages. Therefore, in the long run, microbearing Bluetooth beacon is a cost-effective, equivalent to a hardware investment, eliminating the pain points of maintenance.
Source: Shenzhen Haobo High Technology Co., Ltd.
Other: environmental protection, waterproof moisture resistance and so on
In addition, micro-energy acquisition is due to the conversion of bio-energy into electricity, environmental protection is self-evident.
Pension positioning scheme based on light beacon
In order to protect the safety of the elderly, many nursing homes now need to track the location and status of the elderly in order to take care of them in the first place when an accident occurs. Based on the beacon positioning scheme, the positioning tag installed on the elderly has a built-in optical energy conversion module, uploads the location information of the elderly via Bluetooth radio to 2G / BLE routes arranged in every corner of the room, and then transmits the location information through the 2G network Back-end server to locate.
Source: Shenzhen Haobo High Technology Co., Ltd.
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