CN218585246U

CN218585246U - Independent monitoring system for temperature and humidity of hospital medicine warehouse

Info

Publication number: CN218585246U
Application number: CN202222238066.7U
Authority: CN
Inventors: 陈奎; 杨光; 马明卉
Original assignee: Shanghai Chengxin Facilities Technology Co ltd
Current assignee: Shanghai Chengxin Facilities Technology Co ltd
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2023-03-07
Anticipated expiration: 2032-08-25

Abstract

The utility model discloses an independent temperature and humidity monitoring system for a hospital medicine warehouse, which is characterized by comprising a data acquisition unit, a PLC control unit and warehouse environment function equipment; the data acquisition unit comprises a storehouse environment temperature and humidity sensor, an air conditioner air inlet and outlet temperature and humidity sensor, a data acquisition unit and a serial server, wherein the data acquisition unit is respectively connected with the storehouse environment temperature and humidity sensor, the air conditioner air inlet and outlet temperature and humidity sensor and the serial server; warehouse environmental function equipment is including the air conditioning unit who is used for controlling warehouse ambient temperature parameter and the dehumidification unit that is used for controlling warehouse environmental humidity parameter, the PLC the control unit respectively with warehouse environmental function equipment and data acquisition unit communication can realize temperature, humidity real-time supervision in the warehouse.

Description

Independent monitoring system for temperature and humidity of hospital medicine warehouse

The technical field is as follows:

the utility model relates to a hospital's medicine warehouse humiture independent monitoring system.

Background art:

drug warehouses, as storage sites for hospital drugs, must maintain a relatively constant temperature and humidity environment. According to the requirements of the national related drug storage management system, the temperature of the normal-temperature warehouse of the hospital drugs is 0-30 ℃, the temperature of the shady and cool warehouse is 0-20 ℃, the temperature of the cold warehouse is 2-20 ℃, and the relative humidity of the warehouses is kept between 45% and 75%. Most of the existing drug warehouses are provided with air conditioners, ventilation devices, dehumidifiers, humidifiers and other equipment and are provided with various measuring instruments, and after pharmacy managers manually observe data, the temperature and the humidity in the warehouses are controlled through various equipment so as to guarantee the storage environment of drugs. The mode is not only slow in temperature and humidity control speed, but also low in data measurement precision due to factors such as human errors of manual reading and the like, unscientific in detection and sampling, and incapable of controlling the temperature and humidity of the environment in the warehouse in time according to actual conditions.

The utility model has the following contents:

not enough to prior art exists, the utility model provides an aim at provides a medicine warehouse humiture independent monitoring system of hospital, can realize temperature, humidity real-time supervision to in the warehouse.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a hospital medicine warehouse temperature and humidity independent monitoring system comprises a data acquisition unit, a PLC control unit and warehouse environment function equipment; the data acquisition unit comprises a storehouse environment temperature and humidity sensor, an air conditioner air inlet and outlet temperature and humidity sensor, a data acquisition unit and a serial server, wherein the data acquisition unit is respectively connected with the storehouse environment temperature and humidity sensor, the air conditioner air inlet and outlet temperature and humidity sensor and the serial server; the warehouse environment function equipment comprises an air conditioning unit and a dehumidifying unit, the air conditioning unit is used for controlling warehouse environment temperature parameters, the dehumidifying unit is used for controlling warehouse environment humidity parameters, and the PLC control unit is respectively communicated with the warehouse environment function equipment and the data acquisition unit.

As a further scheme of the utility model, still include central automatic monitoring unit, central automatic monitoring unit includes industrial controller, database server, humiture warning platform for the humiture value that the demonstration comes from the data acquisition unit, with PLC the control unit data exchange.

As a further aspect of the present invention, the system further includes a remote client access unit, the remote client access unit is used for connecting the database server and the wide area network, and the user accesses the data and the device operating status on the database server by accessing the Web access page on the Web server through the IE browser.

As the utility model discloses further scheme, the PLC the control unit includes PLC control module, RS485 communication module, IO module for receive the humiture parameter and the humiture height alarm signal that transfinites from central automatic monitoring unit.

As a further scheme of the utility model, data collection station passes through RS232 interface connection serial servers, and serial servers passes through network interface and cable connection to central automatic monitoring unit.

The utility model discloses following beneficial effect has:

the utility model discloses environmental parameter that can real-time supervision warehouse avoids the rotten loss of medicine that causes because of the unsatisfied requirement of environment atmospheric control, guarantees the quality and the validity period of storage medicine.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Description of the drawings:

fig. 1 is a schematic structural view of the independent temperature and humidity monitoring system for the hospital drug warehouse.

The specific implementation mode is as follows:

the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown.

Example 1

Referring to fig. 1, the independent temperature and humidity monitoring system for the hospital medicine warehouse is composed of five parts, namely a data acquisition unit 1, a central automatic monitoring unit 2, a remote client access unit 3, a PLC control unit 4 and warehouse environment function equipment 5.

The data acquisition unit 1 comprises a storehouse environment temperature and humidity sensor, an air conditioner air inlet and outlet temperature and humidity sensor, a data acquisition unit and a serial server and is used for acquiring the temperature and humidity values of each monitoring point and the air conditioner air inlet and outlet in the storehouse in real time.

The central automatic monitoring unit 2 comprises an industrial controller, a database server, a temperature and humidity alarm platform and a printer, is used for processing and displaying temperature and humidity values from the data acquisition unit, provides functions of temperature and humidity level overrun alarm and data historical trend curve printing, and exchanges data with the PLC control unit.

The remote client access unit 3, namely a Web server (containing a firewall) is used for connecting the database server and the wide area network, and a user can directly access the data on the database server and the equipment running state by accessing a Web access page on the Web server by using an IE browser.

And the PLC control unit 4 comprises a PLC control module, an RS485 communication module and an IO module, is used for analyzing and processing temperature and humidity parameters and temperature and humidity height over-limit alarm signals from the central automatic monitoring unit, combines a temperature and humidity control value set in a PLC program and equipment start-stop logic, and outputs control signals to control the running state of warehouse environment function equipment.

And the warehouse environment function equipment 5 comprises an air conditioning unit for controlling the temperature parameter of the warehouse environment and a dehumidifying unit for controlling the humidity parameter of the warehouse environment. And the warehouse environment function equipment is controlled by the PLC control unit, and the operating parameters of the air conditioning unit and the starting and stopping states of the dehumidifying unit are adjusted.

The utility model discloses in, in data acquisition unit 1, every medicine warehouse needs at different positions installation a plurality of storehouse environment temperature and humidity sensor according to environment humiture sampling density, installs air conditioner business turn over wind gap temperature and humidity sensor at the business turn over wind gap of the air conditioner air supply unit that every storehouse corresponds.

Each sensor outputs 4-20 milliampere analog quantity signals to transmit the temperature and humidity values of each monitoring point in the storehouse and an air inlet and an air outlet of the air conditioner to the data acquisition unit, the data acquisition unit is connected with the serial server through an RS232 interface, and the serial server is connected to the central automatic monitoring unit 2 through a network interface and a cable. An industrial control machine in the central automatic monitoring unit 2 is provided with HMI monitoring configuration software, the received real-time data of each warehouse monitoring point from the serial server is processed and displayed, the related data is sent to the PLC control unit 4, and the running state of the warehouse environment function equipment 5 is monitored through the PLC control unit 4. The database server is provided with an automatic monitoring program, monitors temperature and humidity signals from different monitoring points in a network in real time, stores temperature and humidity data in the database server, compares the collected temperature and humidity value with a set temperature and humidity height over-limit value, and triggers an alarm signal for a temperature and humidity alarm platform.

The industrial controller can be connected with a printer and used for printing a temperature and humidity historical trend curve of a warehouse monitoring point. The remote client access unit 3 connects the database server with the wide area network, and the user can directly access the data and the equipment running state on the database server by accessing the Web access page on the Web server by using the IE browser. The PLC control unit 4 analyzes and processes temperature and humidity parameters and temperature and humidity height over-limit alarm signals from the central automatic monitoring unit 2 through a network interface of the PLC control module, combines a temperature and humidity control value and equipment start and stop logic set in a PLC program, monitors operation parameters of the air conditioning unit by using the RS485 communication module, and monitors start and stop of the dehumidifying unit and start and stop of a corresponding fan system by using the IO module.

Therefore, the temperature and humidity changes of each monitoring point in the drug warehouse and the air inlet and outlet of the air conditioning unit can be collected, analyzed and displayed in real time, the alarm is automatically given according to the temperature and humidity level of each monitoring point in the warehouse and the overrun value, the database server can be remotely accessed through the Web server, and the environmental parameters in the warehouse and the running state of the air conditioning equipment can be monitored. Meanwhile, the environmental temperature and humidity monitoring of the medicine warehouse is effectively combined with the control of warehouse environmental functional equipment, the operation states of the air conditioning unit, the dehumidifier and the corresponding fan system are automatically adjusted efficiently, quickly and accurately by utilizing the PLC control unit and the upper computer HMI monitoring configuration software, so that the environmental temperature and humidity in the medicine warehouse are ensured to be stabilized in the optimal range of the environmental temperature and humidity required by medicine storage for a long time, the deterioration loss of the medicine caused by the loss of environmental temperature and humidity control is avoided, and the quality and the validity period of the stored medicine are ensured.

In this embodiment, each sub-warehouse of the drug warehouse is provided with different warehouse environment temperature and humidity sensors according to the requirement, 1 air conditioner air inlet and outlet temperature and humidity sensor is respectively arranged at the air inlet and outlet of the air conditioning unit corresponding to each sub-warehouse, and the sensors are Siemens high-precision temperature and humidity integrated sensors of the international well-known brand. Each sub-warehouse is provided with 1 data acquisition unit for receiving 4-20 mA analog quantity signals output by an environment temperature and humidity sensor and an air conditioner air inlet and outlet temperature and humidity sensor in the sub-warehouse, converting the signals into corresponding temperature and humidity values and sending the temperature and humidity values to a serial server through an RS232 interface, and the serial server is connected to an industrial control machine of a warehouse central monitoring center through a network interface and a cable.

HMI monitoring configuration software in the industrial controller adopts Siemens Wincc software, a Web Navigato component is added, a client allowing an IE browser to remotely access Wincc pictures and related data information is provided, a database Server adopts Microsoft SQL Server 2008, 1 Siemens PLC (S7-200 SMART) field control station is configured beside warehouse environment function equipment corresponding to each sub-warehouse, and the field control station is configured with an RS485 communication module and an IO module and can perform data communication with an air conditioner unit in the warehouse environment function equipment to control the start and stop of a dehumidifier and a fan system thereof; the utility model discloses the model that well relates to the module does: a data acquisition unit: DAM-6080,8 analog input paths; a serial server: NP5200-2T-2DI (3 IN 1) -DB, 2-way RS-232 transfer Ethernet interface security serial server; an industrial control machine: EPC-P3066, embedded industrial controllers; temperature and humidity alarm platform: YDHTX-V1.0; a PLC control module: a CPU SR40; RS485 communication module: SB CM01; an IO module: EM DR32; the PLC control unit adopts Siemens S7-200smart series products.

The technical principle of the present invention has been described above with reference to specific embodiments, which are merely preferred embodiments of the present invention. The utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongings the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. Those skilled in the art will appreciate that other embodiments of the invention can be devised which do not require inventive effort and which fall within the scope of the present invention.

Claims

1. An independent temperature and humidity monitoring system for a hospital medicine warehouse is characterized by comprising a data acquisition unit, a PLC control unit and warehouse environment function equipment; the data acquisition unit comprises a storehouse environment temperature and humidity sensor, an air conditioner air inlet and outlet temperature and humidity sensor, a data acquisition unit and a serial server, wherein the data acquisition unit is respectively connected with the storehouse environment temperature and humidity sensor, the air conditioner air inlet and outlet temperature and humidity sensor and the serial server; the warehouse environmental function equipment comprises an air conditioning unit for controlling warehouse environmental temperature parameters and a dehumidifying unit for controlling warehouse environmental humidity parameters, and the PLC control unit is respectively communicated with the warehouse environmental function equipment and the data acquisition unit.

2. The independent temperature and humidity monitoring system for the hospital drug storage facility according to claim 1, further comprising a central automatic monitoring unit, wherein the central automatic monitoring unit comprises an industrial controller, a database server and a temperature and humidity alarm platform, and is used for displaying temperature and humidity values from the data acquisition unit and exchanging data with the PLC control unit.

3. The independent temperature and humidity monitoring system for hospital drug storage according to claim 1, further comprising a remote client access unit for network connection between the database server and the wide area network, wherein the user accesses the data on the database server and the operation status of the device by accessing the Web access page on the Web server using the IE browser.

4. The independent temperature and humidity monitoring system for the hospital medicine warehouse as claimed in claim 2, wherein the PLC control unit comprises a PLC control module, an RS485 communication module and an IO module, and is used for receiving temperature and humidity parameters and temperature and humidity level over-limit alarm signals from the central automatic monitoring unit.

5. The independent temperature and humidity monitoring system for hospital drug warehouses according to claim 2, wherein the data collector is connected with a serial server through an RS232 interface, and the serial server is connected with the central automatic monitoring unit through a network interface and a cable.