Smart sensors for smart energy consumption

June 7, 2019

Determining occupancy is a major task in building management (intelligent buildings) such as optimizing
user comfort, security, and energy control. Lower energy consumption is not only from minimizing
the energy wasted in the lighting of the unoccupied area and switching of electric loads but also from minimizing
the energy wasted cooling or heating of these sections. Smart occupancy sensors can adapt to changing
activity levels and “human movement”. A smart occupancy sensor can learn the variation in the activity level
of the occupants with respect to time of the day. With this information, it can change the TD (time
delay) with the time of the day. Experiments conducted have shown that more energy can be saved by
using smart occupancy sensor as compared to non-adapting fixed TD sensors.

For smart technologies to proliferate in the commercial buildings market, building owners and operators must understand their value proposition. Incentivizing smart technologies through energy efficiency programs could help expedite their uptake. Further, packaging them with common energy efficiency measures might allow them to piggyback on known energy savings and the quicker paybacks of standard measures. Packages also present an
opportunity to integrate interdependent measures in a single installation.

Building Technology
Building Technologies HVAC
State-of-the-art heat exchangers allow you to reduce your energy consumption and save money while at the same time optimizing the indoor climate and your comfort level in your home or office. Differential pressure sensors create a continuous air flow in the ventilation system, which means that the energy contained in the exhaust air can be transferred to the supply air. If the supply air is warmer than the air temperature in the room, it is cooled using this energy transfer; if it is too cool, it is heated. This eliminates the need for external energy sources in order to optimally temper the incoming air.

This is just one example of a sustainable building technology energy system. Temperature and humidity measurement in buildings also opens up a wide range of possibilities to conserve energy. The term “smart home” stands for the digital networking and automation of a house. This technology markedly improves inhabitants’ quality of life and increases security in the home while also boosting energy efficiency. Take, for example, automatic ventilation or heating that is automated based on room usage.

Door or window mini-sensor

wireless, contact mini-sensors detect when a door or window is open or closed. They’re self-powered using ambient room light (with optional battery backup) and use wireless technology so they simply stick or screw in place with no need for cables.

Smart gateway

Smart gateways receive data from  sensors and make the data securely available using industry-standard formats such as MQTT and JSON, meaning it can be integrated into any software or platform

Smart repeater

Smart repeater is a cost-effective way to increase sensors’ range, allowing them to transmit data over a larger distance or where obstructions occur. They let you chose which sensors to repeat.

Temperature mini-sensor

Wireless temperature mini-sensors detect ambient room temperature. They’re self-powered using ambient room light (with optional battery backup) and use wireless technology so they simply stick in place with no need for cables.

Current sensors

Small, wireless current (CT) sensors simply clip around a cable to measure and report the alternating current (AC) flowing in a single channel every 30 seconds. They’re wireless so they can easily be inside a machinery panel, distribution panel or other suitable location. Tere are two types of sensor: single-phase, for home and small machinery; and 3-phase, for industrial and heavier electrical circuits. They measure current starting at 1A, up to 60A, 200A or 600A per phase.

How it works

1. Collect energy and environmental data

Small, wireless current sensors measure energy usage to get an instant view of the energy at a machine, room or zone level. Combined with environmental data such as temperature, occupancy, door and window you can detect waste and calculate energy savings.

2. Make your existing system smart

Data is sent wirelessly and securely from the sensors to any number of receivers. Because the technology is platform agnostic, the data from the sensors can be used in any way you need.

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COVID-19 Measures – Update 10 Mar 2021


Dear Esteemed Clients & Partners,

As you are all aware, the Authorities enforced a second lockdown effective as from today, and as they continue to recommend or impose new measures in an attempt to contain the contagion, we would like to assure you that at Digiconsult, we are well-prepared to continue to serve and work with you with the same level of efficiency and quality as before.

A number of measures, as part of our BC plan, have been actioned. Be assured that our employees are trained to assist you remotely, while ensuring confidentiality and integrity of our projects. We expect to shortly transition from remote assistance to physical assistance once the Authorities re-activate the WAP (Work Access Permit).

We will ensure that there are no disruptions to our service delivery. Please feel free to discuss with our people about your specific requirements and any impacts that you foresee in the present circumstances, such that we can continue to work with you and your teams, as efficiently as possible.

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