CN201993654U - Library humiture intelligent measurement and control device - Google Patents
Library humiture intelligent measurement and control device Download PDFInfo
- Publication number
- CN201993654U CN201993654U CN2010201675938U CN201020167593U CN201993654U CN 201993654 U CN201993654 U CN 201993654U CN 2010201675938 U CN2010201675938 U CN 2010201675938U CN 201020167593 U CN201020167593 U CN 201020167593U CN 201993654 U CN201993654 U CN 201993654U
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Abstract
The utility model provide a library humiture intelligent measurement and control device which is composed of four components, namely a WinAC main control station, a PLC slave station, a humiture control system, and a ventilation control system. The WinAC main control station and the PLC slave station are connected via a Profibus-DP interface to carry out the data communication. The library humiture intelligent measurement and control device can realize an automatic detection of the temperature and the humidity of a library, and display and store the data. When the temperature and the humidity exceed a set value, the device can automatically control the air-conditioner and the ventilation device. Besides, the device also has the function of accident alarm and anti-maloperation. The operation personnel can set the air-out temperature and humidity parameters of the library in a central control chamber based on actual demand, monitor the operation situation of the library facilities, and print the operation parameter and operation curve. The employment of a total distributed control modular structure realizes an arbitrary increase on monitoring projects and measurement and control points via an expansion interface. The device can realize a precise and timely measurement and control of the temperature and the humidity.
Description
Technical field
The present invention is novel to be that a kind of totally digitilized temperature, Humidity Detection and Ventilation Control based on the Profibus-DP fieldbus is intelligent library's humiture Detection ﹠ Controling device of one.
Background technology
The preservation quality of books, anticorrosion mildew-resistant all have very big relation with the temperature and humidity in library, in case the temperature and humidity in library is out of control, the book protection problem is just extremely urgent.At present, regulating timely and effectively and temperature and the humidity of controlling library's storehouse, and according to circumstances make measures areput, is the key of protection and prolongation book life.Automatically detect the temperature and humidity in library fast and accurately, very important meaning is arranged for the life-span of improving books.
Summary of the invention
The warm and humid detection system in intelligent library that it is one that the utility model has aimed to provide a kind of totally digitilized temperature, Humidity Detection and Ventilation Control based on the Profibus-DP fieldbus, system architecture is simple, be easy to expand, and has waterproof, protection against the tide, characteristics such as anti-lightning strike, corrosion-resistant.The staff in library can pass through computing machine, temperature and humidity real-time testing result in library's in the comprehensive understanding 24 hours, and the historical detection record in library.System is except that having detection measurement, communication regulation and control, data presentation printing, multimode warning and accident treatment measure prompt facility.
The utility model is provided with WinAC master station, S7-200PLC slave station and I/O configuration, temperature and humidity control system, four ingredients of ventilated control system.For realizing the function of WinAC, the WinAC master station is by the data communication of carrying out between Profibus-DP interface module and the PLC; The PLC slave station is made up of Siemens PLC CS7-200 and LTM8303 deconcentrator module, and interconnects by serial port.Library's temperature and humidity control system is made up of 3 parts such as DS18B20 digital temperature sensor, LTM8820 " one-wire bus " humiture probe, control blower fans.
The utility model is to realize monitoring like this: library's supervisory system team control distributed frame figure as shown in Figure 1, constitute typical field bus control system by upper industrial computer with based on site intelligent node and the I/O module thereof of Profibus-DP, the main control module of Profibus-DP fieldbus has been selected the WinAC based on WindowsNT of Siemens for use, system's host computer is both as the soft controller of PLC like this, bear remote control function, again as monitoring management computer.The PLC slave station is made up of Siemens S7-200 and LTM8303 deconcentrator module, and interconnects by serial port.Ventilated control system is made up of PLC slave station control of conversion device and blower fan group, and control command is sent by master controller.
The beneficial effects of the utility model are: can realize the humiture in 24 hours full-automatic detection libraries and demonstration, the preservation of data thereof, but auto-control air-conditioning and water pump are regulated when humiture surpasses setting value, also have multiple mode accident alarming, anti-misoperation function and crucial operational factor display setting hold function simultaneously.Operating personnel can be according to actual needs set the parameters such as leaving air temp, humidity in library at central control room, monitor the ruuning situation of each library equipment and print operational factor and curve.
Description of drawings
Fig. 1 is the temperature and humidity monitor bus structure figure of library.
Embodiment
Library's supervisory system team control distributed frame figure sees shown in Figure 1, constitute typical field bus control system by upper industrial computer with based on site intelligent node and the I/O module thereof of Profibus-DP, the main control module of Profibus-DP fieldbus has been selected the WinAC based on WindowsNT of Siemens for use, system's host computer is both as the soft controller of PLC like this, bear remote control function, again as monitoring management computer.For realizing the function of WinAC, a Profibus-DP is installed on the host computer server, interface module CP5611, the WinAC Control Engine is carried out data communication by Profibus-DP interface module disk 611 and distributed director and is finished task such as communicate by letter between data acquisition, analysis and Control, PC and the PLC.Slave station is made up of Siemens S7-200PLC and LTM8303 deconcentrator module, and interconnects by serial port.Regularly send order to the LTM8303 module by PLC by serial ports, the LTM8303 module sends back PLC with corresponding measurement data after receiving order, by the Profibus-DP bus data is sent to master station by PLC centralized calculation, processing again.Each deconcentrator module can articulate 8 road temperature and humidity measurement cables, measures 8 temperature and humidity measurement points of cable mixed-arrangement for every, and single like this deconcentrator module can be arranged 64 measurement points.Library's temperature and humidity control system hardware mainly comprises DS18B20 digital temperature sensor and LTM8820 " one-wire bus " humiture probe.The Ventilation Control device is to drive the blower fan group by slave computer PLC slave station control of conversion device to finish, and control command is sent by master controller.Master station WinAC had both born remote control function, again as monitoring management computer, can adopt air draught type and blowing-type to ventilate according to the purpose of ventilating (cooling or hydrofuge), but not only can whole Ventilation Control but also local ventilation control.While is measured the air output that the temperature and humidity value is controlled blower fan according to Temperature Humidity Sensor around being distributed in the air channel, to prevent air channel dewfall on every side, influences the storage effect of books.
Claims (3)
1. library's temperature and humidity intelligent measure and control device is characterized in that: whole device is made up of WinAC master station, PLC slave station, temperature and humidity control system, four parts of ventilated control system; The WinAC master station is connected by the Profibus-DP interface module with the PLC slave station and carries out data communication.
2. library according to claim 1 temperature and humidity intelligent measure and control device is characterized in that: described PLC slave station is made up of programmable controller S7-200PLC and deconcentrator module LTM8303, and interconnects by serial port.
3. library according to claim 1 temperature and humidity intelligent measure and control device is characterized in that: described temperature and humidity control system is made up of digital temperature sensor, " one-wire bus " humiture probe, control blower fan 3 parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201675938U CN201993654U (en) | 2010-04-23 | 2010-04-23 | Library humiture intelligent measurement and control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201675938U CN201993654U (en) | 2010-04-23 | 2010-04-23 | Library humiture intelligent measurement and control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201993654U true CN201993654U (en) | 2011-09-28 |
Family
ID=44670139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201675938U Expired - Fee Related CN201993654U (en) | 2010-04-23 | 2010-04-23 | Library humiture intelligent measurement and control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201993654U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103309333A (en) * | 2013-06-17 | 2013-09-18 | 无锡商业职业技术学院 | Intelligent monitoring system for university laboratories |
| CN103955240A (en) * | 2014-05-08 | 2014-07-30 | 中国水稻研究所 | Networked seed dehumidification control system |
| CN104776535A (en) * | 2015-05-04 | 2015-07-15 | 吉首大学 | Temperature and humidity adjustment device applied to library |
-
2010
- 2010-04-23 CN CN2010201675938U patent/CN201993654U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103309333A (en) * | 2013-06-17 | 2013-09-18 | 无锡商业职业技术学院 | Intelligent monitoring system for university laboratories |
| CN103955240A (en) * | 2014-05-08 | 2014-07-30 | 中国水稻研究所 | Networked seed dehumidification control system |
| CN104776535A (en) * | 2015-05-04 | 2015-07-15 | 吉首大学 | Temperature and humidity adjustment device applied to library |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20120423 |