CN116991111A - High-grade mobile laboratory control system - Google Patents
High-grade mobile laboratory control system Download PDFInfo
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- CN116991111A CN116991111A CN202311082809.9A CN202311082809A CN116991111A CN 116991111 A CN116991111 A CN 116991111A CN 202311082809 A CN202311082809 A CN 202311082809A CN 116991111 A CN116991111 A CN 116991111A
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- Prior art keywords
- air
- exhaust
- air conditioner
- exhaust fan
- laboratory
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- 238000012544 monitoring process Methods 0.000 claims abstract description 10
- 238000004659 sterilization and disinfection Methods 0.000 claims description 18
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 12
- 230000001954 sterilising effect Effects 0.000 claims description 11
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 230000000007 visual effect Effects 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 238000010926 purge Methods 0.000 claims description 5
- 238000004458 analytical method Methods 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000000443 aerosol Substances 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 abstract description 6
- 238000005286 illumination Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000005856 abnormality Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/11—Plc I-O input output
- G05B2219/1103—Special, intelligent I-O processor, also plc can only access via processor
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Ventilation (AREA)
Abstract
The invention relates to the technical field of laboratory control systems, and discloses a high-grade mobile laboratory control system, which comprises: a sensor module; a controller module; an automation device module; a data recording and alarming module; a remote monitoring module; and a safety function module. The system integrates various sensors, instruments and automation equipment, ensures that parameters such as temperature, humidity, temperature, gas concentration, illumination and the like in a laboratory are in proper ranges, supports the smooth proceeding of biological experiments, and has high intelligent degree.
Description
Technical Field
The invention relates to the technical field of laboratory control systems, in particular to a high-grade mobile laboratory control system.
Background
The biosafety laboratory is a special place for biological research, experiment and analysis, and provides a controlled environment, so that researchers can carry out related experiments and research works, the temperature and humidity changes of the biosafety laboratory environment need to be sensed according to the sensor, then the temperature and humidity changes are monitored by the personnel, the biosafety laboratory environment is adjusted, manual operation is needed, the intelligent degree is low, and automatic adjustment cannot be carried out.
Disclosure of Invention
Based on this, it is necessary to address the problems posed by the background art, to provide an integrated system for monitoring and managing laboratory environments and equipment.
In order to achieve the above purpose, the present invention provides the following technical solutions: a high-level mobile laboratory control system, comprising:
the sensor module is used for monitoring the parameters of the indoor and external environments in real time;
the controller module is responsible for receiving the sensor data, making decisions according to preset parameters and correspondingly controlling other devices;
the automatic equipment module comprises an air sterilizer, a fresh air conditioner, a BIBO high-efficiency exhaust fan and an air filtering box;
the data recording and alarming module records historical data of laboratory environment parameters and generates reports for subsequent analysis and reference, and when the environment parameters exceed the safety range, the system gives an alarm;
the remote monitoring module is used for remotely accessing and controlling laboratory equipment through the Internet and a special network;
the safety function module comprises an emergency stop button and a fireproof alarm system;
the fresh air conditioner is characterized in that fresh air is fed into a laboratory through a constant air quantity, the BIBO efficient exhaust equipment monitors pressure differences, pressure gradients of various rooms are realized by adopting a PID variable regulation mode, the adjustment of air feeding and exhausting quantity is realized through an opening valve on a filter box, a pressure difference sensor detects a tent pressure signal and feeds back the tent pressure signal to a controller module, the opening valve angle of an exhaust side is regulated, the high and low air quantity is controlled, and a stable pressure gradient is formed.
In one of the embodiments, the laboratory is provided with: the device is controlled by the PLC controller.
In one embodiment, the operating mode includes: starting up, starting up an exhaust section biological closed valve, starting up an exhaust fan to run at a low speed, starting up an air conditioner air supply section, starting up an air conditioner cooling and heating section, and recovering the exhaust fan to run normally;
and closing the fresh air conditioner cooling and heating section, closing the air supply section, running the exhaust fan at a low speed, closing the biological sealing valve of the air supply section, closing the biological sealing valve of the exhaust section and closing the exhaust fan.
In one embodiment, hydrogen peroxide aerosol or formaldehyde is injected from an air supply section of the air conditioner, the biological sealing valves of the air supply section and the air exhaust section are in an open state, the air conditioner and the air exhaust fan are operated at a low speed, after the disinfection time is up, the fresh air conditioner and the air exhaust fan are kept to continue to operate, and after the purging is completed, the air conditioner and the air exhaust fan are restored to a standby state.
In one embodiment, the sterilization mode includes: closing the biological closed valves of the air supply section and the air exhaust section, closing the air exhaust fan of the air conditioner, opening the hydrogen peroxide sterilizer in the experimental area, setting the sterilization time, opening the biological closed valves of the air supply section and the air exhaust section after the sterilization is completed, keeping the air conditioner and the air exhaust fan to continue to operate, and recovering to a standby state after the purging is completed.
In one embodiment, the standby mode includes: and closing the biological closed valves of the air supply section and the air exhaust section, wherein the exhaust fan and the fresh air conditioner are in a standby state, and the closed door is kept closed and the interlocking relationship is released.
In one embodiment, the fire pattern includes: the smoke sensor in the laboratory detects fire conditions, the biological closed valves of the air supply section and the air exhaust section are quickly closed, the air conditioner exhaust fan is closed, the interlocking relationship of the air-tight door is relieved, and simultaneously, an audible and visual alarm is sent out.
In one embodiment, the system further comprises a fault switching function, and when the main exhaust machine of the laboratory fails, the system automatically switches to standby exhaust and alarms.
Compared with the prior art, the high-grade mobile laboratory control system has the following advantages: the system integrates various sensors, instruments and automation equipment, ensures that parameters such as temperature, humidity, temperature, gas concentration, illumination and the like in a laboratory are in proper ranges, supports the smooth proceeding of biological experiments, and has high intelligent degree.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate and together with the embodiments of the invention and do not constitute a limitation to the invention, and in which:
FIG. 1 is a schematic diagram of a system according to the present invention;
FIG. 2 is a schematic diagram of the pressure control input/output signals in the controller module according to the present invention;
FIG. 3 is a schematic diagram of a main process of the system according to the present invention;
FIG. 4 is a schematic diagram of a standby mode in the present invention;
FIG. 5 is a schematic diagram of a fire pattern according to the present invention;
fig. 6 is a schematic view of the sterilization mode in the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the embodiment shown in fig. 1-3, the present invention provides a technical solution: a high-level mobile laboratory control system, comprising:
the sensor module comprises a temperature sensor, a humidity sensor, a gas concentration sensor, a portable weather station and the like and is used for monitoring parameters of the environment in a laboratory and the outside in real time;
the controller module is a core of the system and is responsible for receiving sensor data and making decisions according to preset parameters, and can analyze environmental parameters in real time and correspondingly control other devices;
the automatic equipment module is provided with an air sterilizer, a fresh air conditioner, a BIBO high-efficiency exhaust fan and an air filtering box, the control system can be connected with the equipment, and the controller sends a command to adjust the operation parameters of the equipment so as to maintain new experimental conditions;
the data recording and alarming module records the historical data of the laboratory environment parameters and generates reports for subsequent analysis and reference, and when the environment parameters exceed the safety range, the system gives an alarm to inform laboratory personnel or related staff to process in time.
The remote monitoring module and the high-grade mobile laboratory control system support remote monitoring and operation, so that researchers can remotely access and control laboratory equipment through the Internet and a special network, and remote operation or experiment supervision is facilitated.
The safety function module has some safety functions, such as an emergency stop button, a fireproof alarm system and the like, so as to protect laboratory environment and personnel safety;
the differential pressure control thought is as follows: the fresh air conditioner is characterized in that fresh air is fed into a laboratory through a constant air quantity, the BIBO efficient exhaust equipment monitors pressure differences, pressure gradients of various rooms are realized by adopting a PID variable regulation mode, the adjustment of air feeding and exhausting quantity is realized through an opening valve on a filter box, a pressure difference sensor detects a tent pressure signal and feeds back the tent pressure signal to a controller module, the opening valve angle of an exhaust side is regulated, the high and low air quantity is controlled, and a stable pressure gradient is formed. The pressure control input and output signals are shown in figure 2. The pressure difference air inlet of the core experiment area is used for fixing the rotating speed, the air exhaust PID is regulated, and on the basis of PID regulation, the upper limit and the lower limit are set and corrected through the angle of the valve inside the filter box.
In some embodiments, the laboratory is largely divided into four modes: the device is controlled by the PLC controller.
In some embodiments, the mode of operation:
after the device is powered on, the system is in a standby mode, as shown in fig. 4, and the system is in a standby mode, so that the operation mode can be selected.
Starting up, opening an exhaust section biological closed valve, starting the exhaust fan to run at a low speed (15% of rotating speed), opening an air supply section biological closed valve, starting an air conditioner air supply section, starting an air conditioner cooling and heating section, and recovering the exhaust fan to run normally;
and closing the fresh air conditioner cooling and heating section, closing the air supply section, running the exhaust fan at a low speed, closing the biological sealing valve of the air supply section, closing the biological sealing valve of the exhaust section and closing the exhaust fan.
As shown in fig. 6, in some embodiments, the disinfection mode:
the system must first enter a standby mode to switch to a disinfection mode.
Sterilization mode 1, overall sterilization: injecting hydrogen peroxide aerosol or formaldehyde from the air supply section of the air conditioner, opening the biological airtight valves of the air supply section and the air exhaust section, running the air conditioner and the air exhaust fan at a low speed (15% of rotating speed), keeping for a certain time (default 1 hour, time is adjustable), keeping the fresh air conditioner and the air exhaust fan to continue to run for 15 minutes (time is adjustable) after the disinfection time is up, and recovering to a standby state after the blowing is completed.
In another embodiment, sterilization mode 2, the laboratory is sterilized separately: closing the biological closed valves of the air supply section and the air exhaust section, closing the air conditioner exhaust fan, opening the hydrogen peroxide sterilizer in the experimental area, setting the sterilization time to be 1 hour (time is adjustable), opening the biological closed valves of the air supply section and the air exhaust section after the sterilization is completed, keeping the air conditioner and the air exhaust fan to continue to operate for 15 minutes (time is adjustable), and recovering to a standby state after the purging is completed.
In some embodiments, the standby mode includes: and closing the biological closed valves of the air supply section and the air exhaust section, wherein the exhaust fan and the fresh air conditioner are in a standby state, and the closed door is kept closed and the interlocking relationship is released.
As shown in fig. 5, in some embodiments, the fire pattern includes: the smoke sensor in the laboratory detects fire conditions, the biological closed valves of the air supply section and the air exhaust section are quickly closed, the air conditioner exhaust fan is closed, the interlocking relationship of the air-tight door is relieved, and simultaneously, an audible and visual alarm is sent out.
Emergency stop mode: a sudden stop button mechanism on the control cabinet, wherein the sudden stop button is pressed, the blower and the exhaust fan are stopped, the biological closed valve of the air filtering box is kept unchanged in the current state, and the interlocking door releases the interlocking mechanism;
an exhaust equipment emergency stop mechanism: pressing an emergency stop button on the exhaust equipment, stopping the operation of the machine, automatically switching the system to a standby exhaust fan, and keeping the states of the blower and the air filter valve unchanged;
an emergency stop mechanism of air supply equipment: pressing an emergency stop button of the air supply equipment, stopping the air conditioning equipment, stopping the air supply equipment, running the air exhaust equipment at a low speed, and keeping the air inlet side valve and the air exhaust side valve unchanged;
further, the system also comprises a fault switching function, when the main exhaust machine of the laboratory fails, the system is automatically switched to standby exhaust, and fault alarm is given:
communication abnormity alarm: when the communication of the air filtering box, the exhaust equipment, the air supply equipment, the door, the weather instrument, the environment monitoring equipment and other equipment is abnormal, the control system gives out an audible and visual alarm and prompts the communication abnormality;
alarming for abnormal pressure: when the pressure difference sensor monitors that the internal pressure of the laboratory is abnormal, the control system gives out an audible and visual alarm and prompts the pressure abnormality;
alarming relative pressure difference abnormality: the adjacent rooms in the laboratory are provided with relative pressure difference alarms, and when the pressure difference value of the adjacent rooms exceeds the set relative pressure difference, the control system gives out audible and visual alarms and prompts the abnormality of the pressure gradient;
door not closing alarm: after operation, if the door is not closed for a long time, the control system gives out an audible and visual alarm and prompts the door lock to be not closed for a long time.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A high-level mobile laboratory control system, comprising:
the sensor module is used for monitoring the parameters of the indoor and external environments in real time;
the controller module is responsible for receiving the sensor data, making decisions according to preset parameters and correspondingly controlling other devices;
the automatic equipment module comprises an air sterilizer, a fresh air conditioner, a BIBO high-efficiency exhaust fan and an air filtering box;
the data recording and alarming module records historical data of laboratory environment parameters and generates reports for subsequent analysis and reference, and when the environment parameters exceed the safety range, the system gives an alarm;
the remote monitoring module is used for remotely accessing and controlling laboratory equipment through the Internet and a special network;
the safety function module comprises an emergency stop button and a fireproof alarm system;
the fresh air conditioner is characterized in that fresh air is fed into a laboratory through a constant air quantity, the BIBO efficient exhaust equipment monitors pressure differences, pressure gradients of various rooms are realized by adopting a PID variable regulation mode, the adjustment of air feeding and exhausting quantity is realized through an opening valve on a filter box, a pressure difference sensor detects a tent pressure signal and feeds back the tent pressure signal to a controller module, the opening valve angle of an exhaust side is regulated, the high and low air quantity is controlled, and a stable pressure gradient is formed.
2. A high-level mobile laboratory control system according to claim 1, wherein: the laboratory is provided with: the device is controlled by the PLC controller.
3. A high-level mobile laboratory control system according to claim 2, wherein: the operation mode includes: starting up, starting up an exhaust section biological closed valve, starting up an exhaust fan to run at a low speed, starting up an air conditioner air supply section, starting up an air conditioner cooling and heating section, and recovering the exhaust fan to run normally;
and closing the fresh air conditioner cooling and heating section, closing the air supply section, running the exhaust fan at a low speed, closing the biological sealing valve of the air supply section, closing the biological sealing valve of the exhaust section and closing the exhaust fan.
4. A high-level mobile laboratory control system according to claim 2, wherein: the disinfection mode includes: injecting hydrogen peroxide aerosol or formaldehyde from the air supply section of the air conditioner, enabling the biological sealing valves of the air supply section and the air exhaust section to be in an open state, enabling the air conditioner and the air exhaust fan to operate at a low speed, keeping the fresh air conditioner and the air exhaust fan to continue to operate after the disinfection time is up, and recovering to a standby state after purging is completed.
5. A high-level mobile laboratory control system according to claim 2, wherein: the disinfection mode includes: closing the biological closed valves of the air supply section and the air exhaust section, closing the air exhaust fan of the air conditioner, opening the hydrogen peroxide sterilizer in the experimental area, setting the sterilization time, opening the biological closed valves of the air supply section and the air exhaust section after the sterilization is completed, keeping the air conditioner and the air exhaust fan to continue to operate, and recovering to a standby state after the purging is completed.
6. A high-level mobile laboratory control system according to claim 2, wherein: the standby mode includes: and closing the biological closed valves of the air supply section and the air exhaust section, wherein the exhaust fan and the fresh air conditioner are in a standby state, and the closed door is kept closed and the interlocking relationship is released.
7. A high-level mobile laboratory control system according to claim 2, wherein: the fire pattern includes: the smoke sensor in the laboratory detects fire conditions, the biological closed valves of the air supply section and the air exhaust section are quickly closed, the air conditioner exhaust fan is closed, the interlocking relationship of the air-tight door is relieved, and simultaneously, an audible and visual alarm is sent out.
8. A high-level mobile laboratory control system according to claim 2, wherein: the system also comprises a fault switching function, and when the main exhaust machine of the laboratory fails, the system is automatically switched to standby exhaust and the fault alarm is given.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311082809.9A CN116991111A (en) | 2023-08-25 | 2023-08-25 | High-grade mobile laboratory control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311082809.9A CN116991111A (en) | 2023-08-25 | 2023-08-25 | High-grade mobile laboratory control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116991111A true CN116991111A (en) | 2023-11-03 |
Family
ID=88523196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311082809.9A Pending CN116991111A (en) | 2023-08-25 | 2023-08-25 | High-grade mobile laboratory control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116991111A (en) |
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2023
- 2023-08-25 CN CN202311082809.9A patent/CN116991111A/en active Pending
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