CN216348851U - Multi-parameter online continuous monitoring system for building environment - Google Patents

Abstract

The utility model discloses a multi-parameter online continuous monitoring system for a building environment, which is composed of at least one data sensing acquisition unit, an intelligent data gateway, a power module and a data server. The environmental parameter sensors of the data perception and acquisition unit are installed in the corresponding environment to be measured. The output end of each environmental parameter sensor is connected to the input end of a transmitter, and the output ends of all transmitters are connected to the Zigbee wireless data collector. The power supply module is connected with the power supply end of the intelligent data gateway; the output ends of the Zigbee wireless data collectors of all data sensing acquisition units are connected with the intelligent data gateway, and the intelligent data gateway is connected with the data server. The utility model solves the problems that the traditional hand-held multifunctional thermal comfort tester cannot be distributed and monitored continuously for a long time, and has the characteristics of flexible configuration, convenient on-site installation and low cost.

Description

A multi-parameter online continuous monitoring system for building environment

technical field

The utility model relates to the technical field of building environment monitoring, in particular to a multi-parameter online continuous monitoring system for the building environment.

Background technique

In scientific research in the field of building environment, it is often necessary to conduct long-term online monitoring of multiple building environment parameters such as wall temperature, wall heat flow, indoor temperature, indoor humidity, and indoor black bulb temperature. At present, the handheld multifunctional thermal comfort tester products at home and abroad can test environmental parameters such as indoor temperature, indoor humidity, indoor black bulb temperature, etc., but it is inconvenient to install on the experimental site, and it cannot realize long-term remote continuous monitoring.

Utility model content

The utility model solves the problems that the existing hand-held multifunctional thermal comfort tester products cannot be distributed in a distributed manner and cannot be monitored continuously for a long time, and provides a multi-parameter online continuous monitoring system for the building environment.

In order to solve the above-mentioned problems, the utility model is realized through the following technical solutions:

A multi-parameter online continuous monitoring system for a building environment is composed of at least one data sensing acquisition unit, an intelligent data gateway, a power module and a data server; each data sensing acquisition unit is composed of an environmental parameter sensing module, an intelligent data acquisition module and a lithium The battery is composed; the lithium battery is connected to the power supply end of the environmental parameter perception module and the intelligent data acquisition module; the environmental parameter perception module includes at least one environmental parameter sensor; the intelligent data acquisition module includes at least one transmitter and Zigbee wireless data collector; these environmental parameters The parameter sensors are respectively installed in the corresponding environment to be measured, the output end of each environmental parameter sensor is connected with the input end of a transmitter, and the output ends of all transmitters are connected with the input end of the Zigbee wireless data collector; the power supply The module is connected to the power supply end of the intelligent data gateway; the output ends of the Zigbee wireless data collectors of all data sensing acquisition units are connected to the intelligent data gateway, and the intelligent data gateway is connected to the data server.

In the above solution, the environmental parameter sensors include temperature sensor PT100, heat flux density sensor JZRL-2, temperature and humidity sensor SDHT10 and/or black ball temperature sensor HJWD-Q5.

In the above solution, the number of transmitters of the intelligent data acquisition module is the same as the number of environmental parameter sensors of the environmental parameter perception module.

Compared with the prior art, the utility model has the following characteristics:

(1) The data sensing acquisition unit and the intelligent data gateway are designed separately, and the large-capacity lithium battery power supply is used as the data sensing acquisition unit, which solves the problem that the traditional handheld multi-functional thermal comfort tester cannot be distributed and remote for a long time. The problem of continuous monitoring.

(2) The data sensing and acquisition unit adopts a modular design. The type of environmental parameter sensors and the number of transmitters can be flexibly configured according to the needs of different building environment detection scenarios, which not only facilitates on-site installation, but also reduces costs.

Description of drawings

Figure 1 is a structural block diagram of a multi-parameter online continuous monitoring system for a building environment.

Fig. 2 is the structural block diagram of the intelligent data acquisition module.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below with reference to specific examples.

Referring to Figures 1 and 2, a multi-parameter online continuous monitoring system for a building environment is mainly composed of at least one data sensing acquisition unit, an intelligent data gateway, a power module and a data server. The data sensing acquisition unit can be portable or hand-held, and can also be installed on the building environment monitoring site by sticking or screwing. The intelligent data gateway and power module are fixedly installed near the building environment monitoring site. The data server is located remotely.

Each data sensing acquisition unit is composed of an environmental parameter sensing module, an intelligent data acquisition module and a lithium battery, and the lithium battery is connected to the power supply end of the environmental parameter sensing module and the intelligent data acquisition module. The environmental parameter perception module includes at least one environmental parameter sensor. The intelligent data acquisition module includes at least one transmitter and Zigbee wireless data collector. These environmental parameter sensors are installed in the corresponding environment to be measured, the output end of each environmental parameter sensor is connected to the input end of a transmitter, and the output ends of all transmitters are connected to the input end of the Zigbee wireless data collector. . The power module is connected to the power supply end of the intelligent data gateway. The output ends of the Zigbee wireless data collectors of all data sensing acquisition units are connected to the intelligent data gateway, and the intelligent data gateway is connected to the data server.

The lithium battery supplies power to the environmental parameter perception module and the intelligent data acquisition module. The environmental parameter perception module uses various sensors to detect different simulated environmental parameter signals. The intelligent data acquisition module transmits, stores, and calculates the simulated environmental parameter signals from the environmental parameter perception module into environmental data, and transmits the data through the wireless network. to the Smart Data Gateway. The power module supplies power to the smart data gateway. The intelligent data gateway receives the environmental data from each data sensing and acquisition unit under the local area network, provides data storage and local download functions, and realizes the remote transmission of the collected environmental data to the data server.

The environmental parameter sensing module detects building environmental parameters such as wall temperature, wall heat flow, indoor temperature, indoor humidity, and indoor black bulb temperature. In the preferred embodiment of the present invention, the temperature sensor PT100 is selected for the detection of the wall surface temperature, and its output is a resistance signal. Wall heat flow detection selects heat flow density sensor JZRL-2, and its output is mV level voltage signal. The temperature and humidity sensor SDHT10 is selected for indoor temperature and humidity detection, and its output is single bus serial data, the relative humidity range is 0~99%RH, and the temperature range is -40℃~60℃. Black ball temperature detection selects black ball temperature sensor HJWD-Q5, output PT100 platinum resistance signal, temperature measurement range -40 ℃ ~ 120 ℃.

The intelligent data acquisition module adopts a modular design. The number of transmitters of the intelligent data acquisition module is greater than or equal to the number of environmental parameter sensors of the environmental parameter perception module. In a preferred embodiment of the present invention, the intelligent data acquisition module supports at most 6 channels of analog input signals and 2 channels of digital input signals. The 6-channel analog input signal includes 2-channel mV-level voltage signal and 4-channel resistance value signal. The analog input signal is uniformly transformed into a standard signal of 4-20mA by the transmitter. The Zigbee wireless data collector receives the signal from the transmitter, performs storage, arithmetic processing, and uploads it to the intelligent data gateway through the Zigbee wireless network.

The intelligent data gateway adopts the industrial embedded ARM+Linux system, and transmits the wireless ZigBee sensor network data to the Internet data server through the wireless network, realizing the function of remote monitoring and management of local equipment information. In a preferred embodiment of the present utility model, the intelligent data gateway is a 4G intelligent data gateway, with 64M DDR2 memory, 128M flash storage, supporting local storage of environmental data; with RS232 communication interface and 10M/100M Ethernet interface, built-in Web configuration The management page can support computer connection, realize local data download, network configuration and management functions.

The lithium battery is a 12V/5V lithium battery, which can provide long-term uninterrupted power supply for the data sensing acquisition unit. The power module is connected to the 220V mains through the power adapter, which can realize uninterrupted power supply to the intelligent data gateway after the mains is cut off.

It should be noted that although the above embodiments of the present invention are illustrative, they are not intended to limit the present invention, so the present invention is not limited to the above-mentioned specific embodiments. Without departing from the principles of the present invention, all other implementations obtained by those skilled in the art under the inspiration of the present invention are deemed to be within the protection of the present invention.

Claims (3)

1. A multi-parameter online continuous monitoring system for a building environment is characterized by comprising at least one data sensing and collecting unit, an intelligent data gateway, a power supply module and a data server;

each data sensing and collecting unit consists of an environmental parameter sensing module, an intelligent data collecting module and a lithium battery; the lithium battery is connected with the power supply ends of the environmental parameter sensing module and the intelligent data acquisition module; the environment parameter sensing module comprises at least one environment parameter sensor; the intelligent data acquisition module comprises at least one transmitter and a Zigbee wireless data acquisition unit; the environment parameter sensors are respectively installed in corresponding environments to be detected, the output end of each environment parameter sensor is connected with the input end of one transmitter, and the output ends of all the transmitters are connected with the input end of the Zigbee wireless data acquisition unit;

the power supply module is connected with the power supply end of the intelligent data gateway; the output ends of the Zigbee wireless data acquisition units of all the data perception acquisition units are connected with an intelligent data gateway, and the intelligent data gateway is connected with a data server.

2. The system of claim 1, wherein the environmental parameter sensors comprise a temperature sensor PT100, a heat flux density sensor JZRL-2, a temperature and humidity sensor SDHT10 and/or a black ball temperature sensor HJWD-Q5.

3. The system as claimed in claim 1, wherein the number of transmitters of the intelligent data acquisition module is the same as the number of environmental parameter sensors of the environmental parameter sensing module.

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