CN211781769U

CN211781769U - Library environment regulation and control system

Info

Publication number: CN211781769U
Application number: CN202020062618.1U
Authority: CN
Inventors: 许涛; 曾柄杰; 闫轩
Original assignee: Xian Polytechnic University
Current assignee: Xian Polytechnic University
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-10-27
Anticipated expiration: 2030-01-13

Abstract

The utility model discloses a library's environment regulation and control system, including the data acquisition unit, the data acquisition unit is connected with the data analysis unit through wireless communication module, still including the casing, the data analysis unit is located the casing, is provided with the display element on the casing, and the display element is connected with the data analysis unit, and the data analysis unit still is connected with the equipment control unit. The temperature and humidity acquisition unit acquires the temperature and humidity in the library in real time and provides a comfortable learning environment for people in the library; the light sensing unit collects the brightness intensity in the library in real time, and controls the illumination lamp according to the light of the external environment without manual control; install data acquisition unit on the ceiling, save space to simple structure, the practicality is strong.

Description

Library environment regulation and control system

Technical Field

The utility model belongs to the technical field of indoor environment governing system, a library's environment regulation and control system is related to.

Background

The library is a mechanism for collecting, arranging and collecting book data for people to read and reference, in colleges and universities in China, the construction of the library is an important embodiment mode of academic and teaching levels of the colleges and universities, the library is also a main study and reading place for college students, the opening and closing of an air conditioner and an illuminating lamp in the library are usually controlled by a specially-assigned person, the working efficiency is low, the regulation and control are not timely, the experience of learning and reading students is influenced, and the waste of power resources is also caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a library's environment regulation and control system has solved the problem that the library's internal environment that exists got the law and adjusted in good time among the prior art.

The utility model provides an adopted technical scheme is, a library's environment regulation and control system, including the data acquisition unit, the data acquisition unit is connected with the data analysis unit through wireless communication module, still including the casing, the data analysis unit is located the casing, is provided with the display element on the casing, and the display element is connected with the data analysis unit, and the data analysis unit still is connected with equipment control unit.

The utility model discloses a characteristics still lie in:

the data acquisition unit comprises a temperature and humidity acquisition unit and a light induction unit, and the temperature and humidity acquisition unit and the light induction unit are respectively connected with the data analysis unit through a wireless communication module.

The data analysis unit is a single chip microcomputer, and the model of the single chip microcomputer is STM32F 103.

The temperature and humidity acquisition unit adopts an SHT11 digital temperature and humidity module, and the light sensing unit adopts a BH1750FVI digital illuminance module.

The wireless communication module adopts an ESP8266 wireless Wi-Fi communication module.

The equipment control unit comprises a regulating device and a driving circuit used for driving the regulating device, the driving circuit comprises a relay, a pin 1 of the relay is connected with a voltage transformation circuit, the input end of the voltage transformation circuit is connected with a pin PC5 of the single chip microcomputer, a pin 2 of the relay is grounded, a pin 3 of the relay is connected with the regulating device, and a pin 4 of the relay is connected with a power supply.

The utility model has the advantages that:

the utility model relates to a library environment regulation and control system, the humiture in the library is gathered in real time to humiture acquisition unit, provides comfortable study environment for intraductal personnel; the light sensing unit collects the brightness intensity in the library in real time, and controls the illumination lamp according to the light of the external environment without manual control; install data acquisition unit on the ceiling, save space to simple structure, the practicality is strong.

Drawings

Fig. 1 is a schematic structural diagram of a library environment control system according to the present invention;

FIG. 2 is a schematic diagram of a data analysis unit in a library environment control system of the present invention;

FIG. 3 is a schematic diagram of a temperature and humidity acquisition unit in the library environment control system of the present invention;

FIG. 4 is a schematic diagram of a light sensing unit in the library environment control system of the present invention;

fig. 5 is a schematic diagram of a wireless communication module in a library environment control system of the present invention;

fig. 6 is a schematic diagram of a device control unit in the library environment control system.

In the figure, the device comprises a data acquisition unit 1, a wireless communication module 2, a data analysis unit 3, a shell 4, a display unit 5, an equipment control unit 6, a temperature and humidity acquisition unit 7, a light induction unit 8, a regulation and control equipment 9, a driving circuit 10, a relay 10-1 and a voltage transformation circuit 10-2.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

The utility model relates to a library's environment regulation and control system, as shown in fig. 1, including data acquisition unit 1, data acquisition unit 1 is connected with data analysis unit 3 through wireless communication module 2, still including casing 4, and data analysis unit 3 is located casing 4, is provided with display element 5 on the casing 4, and display element 5 is connected with data analysis unit 3, and data analysis unit 3 still is connected with equipment the control unit 6. The display unit 5 comprises a display screen and a keyboard, the keyboard is located below the display screen, a preset threshold value of the data analysis unit 3 can be input through the keyboard, and indoor temperature and humidity are displayed in real time through the display screen.

The data acquisition unit 1 comprises a temperature and humidity acquisition unit 7 and a light induction unit 8, and the temperature and humidity acquisition unit 7 and the light induction unit 8 are respectively connected with the data analysis unit 3 through a wireless communication module 2. When the light sensing unit 8 senses that the indoor light is large and the preset threshold value is reached, the illuminating lamp is turned off through the driving circuit. A plurality of data acquisition units 1 may be uniformly arranged in the library as needed.

As shown in fig. 2, the data analysis unit 3 is a single chip microcomputer, and the model of the single chip microcomputer is STM32F 103. The system is mainly responsible for receiving and processing the collected library internal parameters, judging whether control operation needs to be carried out on the equipment control unit 6 or not, and making different reactions to corresponding scenes.

As shown in fig. 3, the temperature and humidity acquisition unit 7 employs an SHT11 digital temperature and humidity module, and as shown in fig. 4, the light sensing unit 8 employs a BH1750FVI digital illuminance module. No extra conversion circuit is needed to be added, pin 1 of the temperature and humidity acquisition unit 7 is connected with a ground terminal pin VSS _4 of the single chip microcomputer,

pins

2 and 3 of the temperature and humidity acquisition unit 7 are respectively connected with common IO port pins PB8 and PB9 of the single chip microcomputer, and pin 4 of the temperature and humidity acquisition unit 7 is connected with a 3.3V onboard voltage interface VDD _2 of the single chip microcomputer and is output through an RS232 line. Pin 1 of the light sensing unit 8 is connected to a 3.3V onboard voltage interface VDD _2 of the single chip microcomputer,

pins

2, 3, and 5 of the light sensing unit 8 are respectively connected to ground terminals VSS _1, VSS _2, and VSS _3 of the single chip microcomputer, and

pins

4 and 6 of the light sensing unit 8 are connected to common IO ports PA1 and PA2 of the single chip microcomputer and output through an RS232 line.

As shown in fig. 5, the wireless communication module 2 employs an ESP8266 wireless Wi-Fi communication module. Pin 1 of the wireless communication module 2 is connected with a 3.3V onboard voltage interface VDD _3 of the single chip microcomputer, pin 2 of the wireless communication module 2 is connected with a ground terminal VSSA of the single chip microcomputer, and

pins

3, 4, 5 and 1 of the wireless communication module 2 are respectively connected with common IO port pins PC0, PC1, PC2 and PC3 of the single chip microcomputer. The wireless communication module 5 is connected with the data analysis unit 3 through a specific communication protocol, which is a TCP/IP protocol.

As shown in fig. 6, the device control unit 6 includes a regulation and control device 9 and a driving circuit 10 for driving the regulation and control device 9, the driving circuit 10 includes a relay 10-1, a pin 1 of the relay 10-1 is connected to a voltage transformation circuit 10-2, an input terminal of the voltage transformation circuit 10-2 is connected to a pin PC5 of the single chip, a pin 2 of the relay 10-1 is grounded, a pin 3 of the relay 10-1 is connected to the regulation and control device 9, and a pin 4 of the relay 10-1 is connected to a power supply. The relay 10-1 is in the model of SRD-05 VDC-SL-C. The control device 9 may be an air conditioner or a lighting lamp.

The utility model relates to a library's environment regulation and control system's working process as follows:

when the temperature and humidity control system is used, a preset threshold value of the single chip microcomputer is set through a keyboard of the display unit 5, after the system is started, the temperature and humidity acquisition unit 7 acquires indoor temperature in real time, the wireless communication module 2 sends data to the single chip microcomputer, and when the temperature and humidity exceed the preset temperature and humidity threshold value, the single chip microcomputer drives the air conditioner to work through the driving circuit 10-2 to adjust the temperature and humidity; the light sensing unit 8 collects illumination intensity information in the library in real time, data are sent to the single chip microcomputer through the wireless communication module 2, and the single chip microcomputer drives the lighting lamp to be switched on and off through the driving circuit 10-2.

In such a way, the system for regulating and controlling the environment of the library has the advantages that the temperature and humidity acquisition unit acquires the temperature and humidity in the library in real time, so that a comfortable learning environment is provided for people in the library; the light sensing unit collects the light intensity in the library in real time, and controls the illumination lamp according to the light of the external environment without manual control; install data acquisition unit on the ceiling, save space, simple structure, the practicality is strong.

Claims

1. The utility model provides a library's environment regulation and control system, its characterized in that includes data acquisition unit (1), data acquisition unit (1) is connected with data analysis unit (3) through wireless communication module (2), still including casing (4), data analysis unit (3) are located casing (4), be provided with display element (5) on casing (4), display element (5) are connected with data analysis unit (3), data analysis unit (3) still are connected with equipment control unit (6).

2. The system for regulating and controlling the environment of the library according to claim 1, wherein the data acquisition unit (1) comprises a temperature and humidity acquisition unit (7) and a light sensing unit (8), and the temperature and humidity acquisition unit (7) and the light sensing unit (8) are respectively connected with the data analysis unit (3) through a wireless communication module (2).

3. The library environment regulation system of claim 1, wherein the data analysis unit (3) is a single chip microcomputer, and the type of the single chip microcomputer is STM32F 103.

4. The system for regulating and controlling the environment of a library according to claim 2, wherein the temperature and humidity acquisition unit (7) adopts an SHT11 digital temperature and humidity module, and the photo sensing unit (8) adopts a BH1750FVI digital illuminance module.

5. The library environment regulation system of claim 1, wherein the wireless communication module (2) is an ESP8266 wireless Wi-Fi communication module.

6. A library environment regulation system according to claim 3, wherein the device control unit (6) comprises a regulation device (9), and a driving circuit (10) for driving the regulation device (9), the driving circuit (10) comprises a relay (10-1), pin 1 of the relay (10-1) is connected with a transformation circuit (10-2), the input end of the transformation circuit (10-2) is connected with pin PC5 of the single chip microcomputer, pin 2 of the relay (10-1) is grounded, pin 3 of the relay (10-1) is connected with the regulation device (9), and pin 4 of the relay (10-1) is connected with a power supply.