CN209746376U - A hotel room energy consumption monitoring system - Google Patents

Abstract

The utility model specifically discloses a hotel guest room energy consumption monitoring system, comprising a data concentrator (1), an acquisition center (3), an RS485 bus (2) and a smart meter group (4); the data concentrator (1) It includes a MUC main control unit (9) and a programmable read-only memory (8); the data concentrator (1) is provided with not less than two VK3234 chips (13); the VK3234 chip (13) is provided with a second Two serial peripheral interfaces (12), the VK3234 chip (13) is provided with at least two RS485 buses (2), and the VK3234 chip (13) is connected to the smart meter group (4) through the RS485 bus (2) of. The hotel guest room energy consumption monitoring system of the utility model adopts a data concentrator with multi-serial ports and an Ethernet gateway function, which can realize the collection of smart meters collected by multiple buses, and can realize data polling within one minute; and then pack the data uniformly Unified upload to the data monitoring center.

Description

A hotel room energy consumption monitoring system

technical field

The utility model relates to the field of monitoring systems, in particular to a hotel room energy consumption monitoring system.

Background technique

The hotel needs to know the current electricity consumption of each guest room in real time, combined with the current hotel room opening situation, whether the guest uses electricity and whether the electricity consumption is regulated, and can promptly remind and alarm. And statistics of energy consumption in the corresponding period of time, to understand the law of electricity consumption in guest rooms. Make energy-saving strategies and achieve energy-saving goals through reliable energy-saving strategies. However, the current energy consumption monitoring of hotels is often based on the monitoring of the entire building and sub-regions, which cannot accurately reflect the usage of each room in real time. The power consumption of the room cannot be monitored in real time, whether there are hotel staff using electricity privately, whether guests are using high-power electrical appliances, and whether the room equipment is aging and abnormally consumes electricity. When there are many hotel rooms, the polling time of the traditional single rs485 bus is long, the timeliness is poor, and the purpose of real-time monitoring cannot be achieved.

Utility model content

The technical problem to be solved by the invention of the utility model is to overcome the traditional single rs485 bus polling time of the prior art is long and the timeliness is very poor, and to provide a hotel room energy consumption of a data concentrator with multiple serial ports and an Ethernet gateway function surveillance system.

The above-mentioned problem to be solved by the present invention is achieved through the following technical solutions:

A hotel guest room energy consumption monitoring system, including a data concentrator, an acquisition center, an RS485 bus and a smart meter group; the data concentrator includes a MUC main control unit and a programmable read-only memory; the data concentrator is equipped with different There are at least two VK3234 chips; the VK3234 chip is provided with a second serial peripheral interface, and the VK3234 chip is provided with at least two RS485 buses, and the VK3234 chip and the smart meter group are connected through the RS485 bus.

Preferably, the MUC main control unit is provided with a web server; and the web server is provided with a first serial peripheral interface.

Preferably, the data concentrator is provided with a GPRS module; the data concentrator is provided with a WIFI module.

Preferably, SPI is selected for the first serial peripheral interface; EEPRAM is selected for the programmable read-only memory; SPI is selected for the second serial peripheral interface.

Preferably, the WIFI module is embedded in the web server; the GPRS module connection line is connected to the web server.

Preferably, the programmable read-only memory is connected to the MUC main control unit through the I2C bus; the connection mode between the VK3234 chip and the MUC main control unit is to communicate with the first serial peripheral interface through the second serial peripheral interface Mate connection.

Preferably, the data concentrator is connected to the collection center through an Ethernet interface.

Further preferably, the RS485 bus is provided with an RS485 repeater.

Preferably, the Ethernet interface is connected to a 100mbps Ethernet; the collection center uses a computer; the RS485 bus uses a 2-core shielded twisted pair as a bus medium; the web server uses an embedded Web server.

Beneficial effects: after adopting the structure described in this utility model, since the structure is provided with a VK3234 chip with multiple serial ports and a data concentrator with the function of an Ethernet gateway, the smart meters to be collected can be collected in multiple buses, so as to realize a Data polling within minutes; then the data is packaged and uploaded to the data monitoring center in a unified manner; and because the structure has a collection center, it is possible to display the power consumption, current, voltage, and power of the meter in real time by developing a dedicated computer software system with graphical software Factors, etc., and carry out corresponding data records; and because the structure is equipped with RS485 repeaters, the signal strength and communication distance of the bus can be improved; and because the data concentrator is connected to multiple RS485 buses, it can be divided into multiple buses for simultaneous acquisition , which not only reduces the interference between buses and reduces faults; but also because the structure is equipped with a data concentrator with GPRS and WIFI wireless modules, it can be operated or collected through a mobile terminal, which greatly facilitates the adaptability and usability of the data concentrator .

Description of drawings

Figure 1 is a structural diagram of a hotel room energy consumption monitoring system.

Figure 1: 1-data concentrator; 2-RS485 bus; 3-acquisition center; 4-smart meter group; 5-WIFI module; 6-GPRS module; 7-programmable read-only memory; 8-I2C bus; 9- Control unit; 10-web server; 11-first serial peripheral interface; 12-second serial peripheral interface; 13-VK3234 chip; 14-RS485 repeater; 15-Ethernet interface.

Detailed ways

The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments, but the embodiments do not limit the present invention in any form.

A hotel guest room energy consumption monitoring system, comprising a data concentrator 1, an acquisition center 3, an RS485 bus 2 and a smart meter group 4; the data concentrator 1 includes a VK3234 chip 13, a MUC main control unit 9 and a programmable read-only Memory 8; the MUC main control unit 9 includes a web server 10, and the web server 10 selects an embedded Web server; the web server 10 is provided with a first serial peripheral interface 11, and the first serial peripheral Establish interface 11 to select SPI for use; Described data concentrator 1 is provided with WIFI module 5, and described WIFI module 5 is embedded in webpage server 10; Described data concentrator 1 is provided with GPRS module 6, and described GPRS module 6 connecting wires are connected in Webpage server 10; Described data concentrator 1 is provided with programmable read-only memory 7, and described programmable read-only memory 7 selects EEPRAM for use, and described programmable read-only memory 7 is connected with MUC master control unit 9 by I2C bus 8; Described data concentrator 1 is provided with not less than two VK3234 chips 13, and described VK3234 chip 13 is provided with second serial peripheral interface 12, and described second serial peripheral interface 12 selects SPI for use; Described VK3234 chip 13 is connected with the MUC main control unit 9 through the second serial peripheral interface 12 and the first serial peripheral interface 11; the VK3234 chip 13 is connected with the smart meter group 4 through the RS485 bus 2; The VK3234 chip 13 is provided with at least two RS485 buses 2, and the RS485 bus 2 adopts a 2-core shielded twisted pair as a bus medium; the RS485 bus 2 is provided with an RS485 repeater 14, and the RS485 repeater 14 It has the function of improving the signal strength of the bus and the communication distance; the data concentrator 1 is connected to the collection center 3 through an Ethernet interface 15, and the Ethernet interface 15 is connected to a 100mbps Ethernet network; the collection center 3 uses a computer.

Working principle: The smart meters that need to be collected are divided into multiple buses for collection, and the number of smart meters in each channel is limited to a certain range. Data polling within one minute can be realized, and then the data is uniformly packaged and uploaded to the data monitoring center. By developing a dedicated computer software system. The power consumption, current, voltage, power factor, etc. of the meter can be displayed in real time with graphical software, and corresponding data records can be performed. Observing the current can help users understand the real-time power consumption situation. When the current of high-power electrical appliances is too high, an alarm will be issued, and hotel personnel can dissuade them in time. Combined with the situation of opening rooms at the hotel front desk, electricity consumption occurs in unopened rooms, indicating that internal employees of the hotel use electricity privately, and the software will display reminders and records in the form of alarms.

Of course, the above description only expresses a certain implementation mode of the present utility model, and its description is relatively detailed, but it should not be construed as limiting the patent scope of the present utility model. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (9)

1. A hotel guest room energy consumption monitoring system comprises a data concentrator (1), an acquisition center (3), an RS485 bus (2) and an intelligent ammeter group (4); the data concentrator (1) comprises a MUC main control unit (9) and a programmable read-only memory (7); the data concentrator is characterized in that the data concentrator (1) is provided with more than two VK3234 chips (13); be equipped with second serial peripheral hardware interface (12) on VK3234 chip (13), VK3234 chip (13) are equipped with two at least RS485 buses (2), VK3234 chip (13) are connected through RS485 bus (2) with intelligent ammeter group (4).

2. A hotel room energy consumption monitoring system according to claim 1, wherein the MUC master control unit (9) is provided with a web server (10); the webpage server (10) is provided with a first serial peripheral interface (11).

3. A hotel room energy consumption monitoring system according to claim 1, characterized in that the data concentrator (1) is provided with a GPRS module (6); the data concentrator (1) is provided with a WIFI module (5).

4. A hotel room energy consumption monitoring system according to claim 2, wherein the first serial peripheral interface (11) is SPI; the programmable read-only memory (7) adopts EEPRAM; the second serial peripheral interface (12) adopts SPI.

5. A hotel room energy consumption monitoring system according to claim 3, characterized in that the WIFI module (5) is embedded in the web server (10); and the GPRS module (6) is connected with the web server (10) through a connecting line.

6. A hotel room energy consumption monitoring system according to claim 2, characterized in that the programmable read only memory (7) is connected to the MUC master control unit (9) via an I2C bus (8); the VK3234 chip (13) is connected with the MUC main control unit (9) in a mode that the second serial peripheral interface (12) is matched and connected with the first serial peripheral interface (11).

7. A hotel room energy consumption monitoring system according to claim 2, characterized in that the data concentrator (1) is connected to the collection center (3) via an ethernet interface (15).

8. A hotel room energy consumption monitoring system according to claim 7, characterized in that the RS485 bus (2) is provided with an RS485 repeater (14).

9. The hotel room energy consumption monitoring system according to claim 8, wherein the ethernet interface (15) is connected to a 100mbps ethernet; the collection center (3) selects a computer; the RS485 bus (2) adopts a 2-core shielding twisted pair as a bus medium; the Web page server (10) adopts an embedded Web server.