CN110910051A - Intelligent management and control system and method for laboratory hazardous chemical reagent entering and leaving warehouse - Google Patents
Intelligent management and control system and method for laboratory hazardous chemical reagent entering and leaving warehouse Download PDFInfo
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- CN110910051A CN110910051A CN201811067253.5A CN201811067253A CN110910051A CN 110910051 A CN110910051 A CN 110910051A CN 201811067253 A CN201811067253 A CN 201811067253A CN 110910051 A CN110910051 A CN 110910051A
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- G06Q10/00—Administration; Management
- G06Q10/08—Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
- G06Q10/087—Inventory or stock management, e.g. order filling, procurement or balancing against orders
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- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00563—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys using personal physical data of the operator, e.g. finger prints, retinal images, voicepatterns
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Abstract
The invention discloses an intelligent management and control system and method for laboratory hazardous chemical reagent in-out of a warehouse, which comprises a fingerprint identification electronic device, an automatic hazardous chemical reagent quantity identification device, a control computer and a management computer; fingerprint identification electron device includes: the system comprises a fingerprint recognizer and an electronic lock, wherein the fingerprint recognizer is used for recognizing and confirming the identity of a laboratory administrator, the electronic lock is used for opening/closing a laboratory door, and a management computer is used for recording the time when the electronic lock opens/closes the laboratory door; the automatic identification device for the quantity of the hazardous chemical reagents is used for automatically judging the types and the quantity of the hazardous chemical reagents and comprises a power supply, a gravity sensor and a communication module which are sequentially connected, wherein the communication module is connected with a control computer through an RS 485-Ethernet server, and the control computer is connected with a management computer. The invention utilizes the gravity sensor to judge the stock of the hazardous chemical reagent, thereby realizing the control of the laboratory hazardous chemical reagent entering and leaving the warehouse.
Description
Technical Field
The invention relates to management of laboratory chemical reagent in-out warehouse, in particular to an intelligent management and control system and method for laboratory hazardous chemical reagent in-out warehouse.
Background
As described in the third chapter of the first chapter of regulations on safety management of hazardous chemicals, the hazardous chemicals refer to highly toxic chemicals and other chemicals which have properties of toxicity, corrosion, explosion, combustion supporting and the like and are harmful to human bodies, facilities and environments.
Hazardous chemicals include explosives, compressed and liquefied gases, flammable liquids, flammable solids, pyrophoric and wet flammable materials, oxidizers and organic peroxides, poisons and corrosives, and the like. According to the rules and standards published in China at present, dangerous chemicals are divided into: the explosive comprises eight major types, namely a first explosive, a second compressed gas and liquefied gas, a third flammable liquid, a fourth flammable solid, a fifth oxidant and organic peroxide, a sixth toxic product, a seventh radioactive product and an eighth corrosive product.
The traditional management of the entrance and exit of hazardous chemical reagents in a laboratory is mainly completed by manual operation, and when the hazardous chemical reagents are sent to the laboratory, a specially-assigned person (or a custodian) checks the quantity of the reagents put in the laboratory and performs paper ledger registration; when hazardous chemical reagents are received, a special person (or a custodian) enters a warehouse for receiving, two persons perform confirmation work, and paper ledger registration is performed. Meanwhile, a laboratory is required to inventory hazardous chemical warehouses every month, hundreds of hazardous chemical reagents in the laboratory are required to be manually checked one by one, and whether the machine account is consistent with the inventory quantity is determined.
Danger article management is always the serious thing of enterprise's ann ring work, and traditional laboratory danger article reagent business turn over storehouse is managed and needs the laboratory to carry out the inventory to danger article warehouse every month and is mainly accomplished by the manual work, because the laboratory has hundreds of danger article reagents, therefore work load is big, and is inefficient, makes mistakes easily.
In the prior art, as shown in fig. 1, a chemical agent management method and system disclosed in patent publication No. CN 107958512a, the core content of the chemical agent management method and system is constructed by an intelligent scale method. However, the disadvantages are mainly as follows:
firstly, in this patent, "weigh the current remaining weight of each chemical reagent, calculate the amount of each chemical reagent", theoretically speaking, it is a good method, when there is a big problem in the practical application of the laboratory, first, "weigh each chemical reagent", when the laboratory staff gets a certain chemical reagent, the smart scale associates with the cloud server by what method, that is, how the remote server knows which reagent the laboratory staff gets, and this patent does not provide a method; secondly, laboratory hazardous chemical reagents are usually packaged in bottles, although the current residual amount can be obtained by a differential method, because containers of chemical reagents have weight, and laboratory hazardous chemical reagent management regulations specify that reagent empty bottles need to be cleaned in time after the chemical reagents are used up, the current weight changes after the empty bottles are cleaned, or when the whole bottles of hazardous chemical reagents need to be taken in a test (for example, 500ml sulfuric acid in the whole bottles are taken), the consumption amount of hazardous chemical reagents can be calculated according to the method, and obviously, the requirement that the current consumption amount of each chemical reagent can be obtained by subtracting the current residual weight from the weight of the reagent recorded last time cannot be met in the patent, and the laboratory cannot carry out the method.
Second, this patent only describes that a part of the usage operation schemes are used for ex-warehouse pickup, and no management and control scheme for warehousing operation is given.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an intelligent management and control system and method for laboratory hazardous chemical reagent warehouse entry and exit.
In order to achieve the purpose, the invention adopts the following technical scheme:
on the one hand, the intelligent management and control system of laboratory hazardous chemicals reagent business turn over storehouse includes: the system comprises a fingerprint identification electronic device, an automatic dangerous chemical reagent quantity identification device, a control computer and a management computer;
the fingerprint identification electronic device comprises: the system comprises a fingerprint recognizer and an electronic lock, wherein the fingerprint recognizer is used for recognizing and confirming the identity of a laboratory administrator, the electronic lock is used for opening/closing a laboratory door, and the management computer is used for recording the time when the electronic lock opens/closes the laboratory door;
dangerous chemicals chemical reagent quantity automatic identification equipment is used for automatic judgement dangerous chemicals chemical reagent kind, quantity, includes: the power supply, the gravity sensor and the communication module are sequentially connected, the communication module is connected with the control computer through an RS 485-to-Ethernet server, and the control computer is connected with the management computer;
the gravity sensor comprises: the base is connected with the supporting plate through the spring;
the communication module is a DI communication module, a 485+ end on the DI communication module is connected with the upper contact piece in a point-to-point mode, and a 485-end on the DI communication module is connected with a point-to-point mode between the 485-end and a negative electrode of the power supply after being connected with a resistor in series.
The base and the supporting plate are made of PP materials.
The DI communication module is connected with a plurality of gravity sensors.
The RS 485-to-Ethernet server is connected with a plurality of DI communication modules through a bus.
A bar code scanner is also included for scanning the bar code on each chemical reagent.
On the other hand, the intelligent management and control method for the laboratory hazardous chemical reagent in and out of the warehouse comprises the following steps:
1) recording information of hazardous chemical agent management personnel into the fingerprint identification electronic device, the control computer and the management computer, and establishing a database for hazardous chemical agent personnel archive management;
2) when the identity of the dangerous chemical reagent manager is confirmed by the fingerprint identifier, the electronic lock is unlocked, and the identity and the entering time information of the dangerous chemical reagent manager entering the laboratory are sent to the management computer through Bluetooth or WiFi; when the hazardous chemical reagent management personnel leave the laboratory, the electronic lock is closed, and time information of leaving the laboratory is sent to the management computer through Bluetooth or WiFi;
3) recording the chemical reagent amount of the dangerous chemicals of a specific type in real time through a gravity sensor;
4) and then, scanning the bar codes on the hazardous chemical reagents through a code scanner to master the inventory condition of each hazardous chemical reagent.
The gravity sensor is provided with a plurality of dangerous chemical reagents with corresponding bottle numbers, and the DI communication module is also provided with a plurality of dangerous chemical reagents with corresponding types.
And the database is also provided with MSDS specifications of corresponding hazardous chemical reagents.
In the technical scheme, the intelligent management and control system and the intelligent management and control method for the laboratory hazardous chemical reagent in and out of the warehouse, provided by the invention, have the following beneficial effects:
1) the intelligent management and control system for the hazardous chemical reagent in and out of the warehouse can accurately master the condition that the hazardous chemical reagent in and out of the warehouse, and realize real-time control of the hazardous chemical reagent in a laboratory;
2) the intelligent management and control system for the hazardous chemical reagent in-out warehouse can accurately master the consumption condition of the hazardous chemical reagent, reduce the monthly inventory to the lowest reasonable usage amount, and avoid the excessive hazardous chemical reagent purchase amount, so as to achieve the purposes of controlling the cost and meeting the safety management of the hazardous chemical reagent;
3) the intelligent management and control system for the hazardous chemical reagent in-out warehouse can accurately master the chemical characteristics of various hazardous chemicals, classify and optimize storage and use environments, and can avoid chemical accidents and chemical secondary injury events.
Drawings
FIG. 1 is a schematic flow diagram of patent publication No. CN 107958512A;
FIG. 2 is a schematic diagram of a gravity sensor in the intelligent management and control system of the present invention;
FIG. 3 is a schematic diagram of the connection between m gravity sensors and DI communication modules in the intelligent management and control system of the present invention;
FIG. 4 is a diagram of a COM port, address setting and state acquisition interface of each DI end on a DI communication module in the intelligent management and control system of the present invention;
FIG. 5 is a schematic diagram of the connection between n DI communication modules and the control computer in the intelligent management and control system of the present invention;
fig. 6 is a flowchart of the intelligent management and control method of the present invention.
Detailed Description
The technical scheme of the invention is further explained by combining the drawings and the embodiment.
Referring to fig. 1 to 5, an intelligent management and control system for laboratory hazardous chemical reagent entering and exiting from a warehouse provided by the present invention includes: fingerprint identification electronic device, dangerous chemicals chemical reagent quantity automatic identification device, control computer 1 and management computer 2. The information of the hazardous chemical agent managers is recorded into the fingerprint identification electronic device, the control computer 1 and the management computer 2, the information such as the on-duty certificate and the training record of the hazardous chemical agent managers can be inquired through the database, and the file management of the hazardous chemical agent managers is established.
Preferably, the fingerprint identification electronic device includes: the fingerprint recognizer and the electronic lock form a linkage device, when the identity of a laboratory manager is recognized and confirmed through the fingerprint recognizer, the electronic lock is opened, and information such as the identity, time and the like of the manager entering the laboratory hazardous chemical reagent warehouse is sent to the management computer 2 through Bluetooth or WiFi; when laboratory managers leave laboratory dangerous chemicals chemical reagent warehouse, the electronic lock is closed, and the time is recorded to the aggregate unit of fingerprint identification ware and electronic lock to send the time of leaving laboratory dangerous chemicals chemical reagent warehouse to the management computer.
Preferably, automatic identification equipment of dangerization article chemical reagent quantity is used for judging dangerization article chemical reagent kind, quantity etc. automatically, masters the dynamic stock condition in dangerization article warehouse in real time, includes: the system comprises a 5V power supply 3, a gravity sensor 4 and a communication module 5 which are sequentially connected, wherein the communication module 5 is connected with a control computer 1 through an RS 485-Ethernet server 6, and the control computer 1 is connected with a management computer 2.
Preferably, the gravity sensor 4 includes: the solar cell comprises a base 401, a lower contact piece 402, a spring 403, a supporting plate 404 and an upper contact piece 405, wherein the lower contact piece 402 and the lower contact piece 405 are provided with a pair, two ends of the pair of lower contact pieces are arranged in a protruding mode, the pair of lower contact pieces 405 are arranged above the base 401 and connected with the positive pole of a 5V power supply 3, the pair of upper contact pieces 405 are arranged at positions, corresponding to the lower contact piece 402 on the bottom plate 401, below the supporting plate 404, and the base 401 is connected with the supporting plate 404 through the spring 403. When a chemical agent is placed, the upper contact 405 and the corresponding lower contact 405 are brought into contact under the influence of gravity to be in a conductive state, and when no chemical agent is present, the upper contact 405 and the corresponding lower contact 405 are disconnected by the spring 403 to be in a short-circuited state.
Preferably, the base and the supporting plate are made of PP materials, so that the base and the supporting plate have the characteristics of corrosion resistance and non-conductivity.
Preferably, the communication module 5 is a DI communication module, a 485+ end of the DI communication module is connected with the upper contact plate 405 in a point-to-point manner, and a 485-end of the DI communication module is connected with a resistor R in series and then connected with a point-to-point manner between the cathode of the 5V power supply. The resistor R plays a role in limiting current and voltage, protects a communication channel from being broken down, and forms a voltage difference at two ends of 485 plus 485 minus on the DI communication module.
Preferably, the DI communication module adopts a high level effective input mode, and is in a conducting state when the gravity sensor 4 is provided with articles, high levels are formed at two input ends of the DI communication module, the indicating lamp at the corresponding end on the DI communication module is lightened, and sends a pulse to the control computer 1, the control computer 1 records as "1", and similarly, when no object exists, the gravity sensor 4 is in a disconnecting state, and the control computer 1 records as "0".
Preferably, the DI communication module adopts an RS485 communication mode and a modbus RTU standard communication mode, the 12V power supply module supplies power to the DI communication module, two ends of DATA +/- "of the DI communication module are respectively connected with two ends of a DATA +/-" of the RS 485-to-Ethernet server 6, and the DI communication module is in bidirectional communication with the control computer 1 through a TCP/IP protocol.
Preferably, the DI communication module can be expanded into a plurality of pairs of DI ports, so that m gravity sensors 4 can be connected, the control computer 1 can communicate with addresses through serial ports of the DI communication module, and whether hazardous chemical reagents exist at m positions is judged according to the change of input ON/OFF signals of each DI port.
Preferably, the RS 485-to-ethernet server 6 may be connected to n DI communication modules through a bus, and perform bidirectional communication through serial numbers and addresses of each DI communication module, and may identify a specific DI communication module through a COM port and an address of the DI communication module.
Preferably, m gravity sensors 4 indicate m bottles of hazardous chemical reagents, n DI communication modules indicate n types of hazardous chemical reagents, and a specific DI communication module is connected to a specific type of hazardous chemical reagent, so that the control computer 1 can accurately know the current amount of the specific type of hazardous chemical reagent through serial numbers, addresses and the module channel.
Preferably, the m gravity sensors 4 and the n DI communication modules are combined, the control computer 1 can accurately obtain the current inventory amounts of different kinds of hazardous chemical reagents, the control computer 1 compares the number of the identified current specific kinds of hazardous chemical reagents with the number of the corresponding previous hazardous chemical reagents to obtain the actual inventory amount of the dangerous chemical reagents of the kind, the actual inventory amount of the dangerous chemical reagents of the kind is taken as warehousing amount when the number of the real-time dangerous chemical reagents is larger than the previous amount, the increment is taken as warehousing amount, the actual inventory amount of the dangerous chemical reagents is taken as warehousing amount when the number of the real-time dangerous chemical reagents is smaller than the previous amount, and the difference amount is taken as ex-warehousing amount.
Preferably, the control computer 1 can control the real-time inventory of each hazardous chemical reagent in real time by periodically polling each DI communication module and each DI port and periodically refreshing.
Preferably, a bar code scanner is included for scanning the bar code on each chemical reagent. The MSDS specification is established through the bar code specific to each chemical reagent, and is in one-to-one correspondence with the n DI communication module identifications.
Referring to fig. 6, the present invention further provides an intelligent management and control method for laboratory hazardous chemical reagents entering and exiting a warehouse, comprising the following steps:
1) recording the information of the hazardous chemical reagent management personnel into the fingerprint identification electronic device, the control computer 1 and the management computer 2, and establishing a database for managing the file of the hazardous chemical reagent personnel;
2) when the identity of the hazardous chemical reagent manager is confirmed by the fingerprint identifier, the electronic lock is unlocked, and the identity and the entry time information of the hazardous chemical reagent manager entering the laboratory are sent to the management computer 2 through Bluetooth or WiFi; when the hazardous chemical reagent management personnel leave the laboratory, the electronic lock is closed, and time information of leaving the laboratory is sent to the management computer through Bluetooth or WiFi;
3) recording the chemical reagent amount of the dangerous chemicals of a specific type in real time through the gravity sensor 4;
4) and then, scanning the bar codes on the hazardous chemical reagents through a code scanner to master the inventory condition of each hazardous chemical reagent.
Preferably, the gravity sensor 4 has m numbers, which represents hazardous chemical reagents having m bottles, and the DI communication module has n numbers, which represents hazardous chemical reagents having n kinds.
Preferably, the database is also established with MSDS specifications of corresponding hazardous chemical reagents.
Preferably, the management computer 2 establishes communication with the control computer 1 through a network, and the management computer 2 can know detailed information such as time, types and quantity of dangerous chemical personnel entering and leaving the warehouse and hazardous chemical reagent receiving, MSDS specification files of dangerous chemicals, and the quantity of dangerous chemical reagents entering and leaving the warehouse in detail. The function of real-time handling and control of hazardous chemical reagents is realized, unmanned and paperless management is realized, and the method has important significance for use, management and cost control of laboratory hazardous chemical reagents.
Example 1
According to the electronic standing book for dangerous chemical reagent inventory, the inventory condition of various dangerous chemical reagents can be conveniently inquired.
The inventory is less than the actual quantity-the last inventory, and the difference is the quantity of delivery;
according to the hazardous chemical database, the in-and-out conditions can be conveniently consulted, and detailed information of sulfuric acid, hydrochloric acid, nitric acid, toluene, butanone out-of-warehouse quantity, out-of-warehouse time, operators and the like is listed in table 1.
TABLE 1 hazardous chemicals chemical Ex warehouse conditions
Example 2
According to the electronic standing book for dangerous chemical reagent inventory, the inventory condition of various dangerous chemical reagents can be conveniently inquired.
The stock is put in storage when the stock is larger than the actual quantity-the last stock is the stock-in quantity, and the increment is the stock-in quantity;
according to the dangerous chemical database, the warehousing condition can be conveniently consulted, and detailed information of sulfuric acid, hydrochloric acid, nitric acid, toluene, butanone warehousing quantity, warehousing time, operators and the like is listed in table 1.
TABLE 2 hazardous chemicals chemical warehousing conditions
Example 3
According to the bar code of each chemical reagent, the condition of the dangerous chemical reagent library entering and leaving, the information of the application, the dangerous chemical reagent library and the MSDS specification can be quickly looked up in the database, and the information query speed is greatly improved.
In summary, the invention uses chemical reagent bottles as the most basic metering unit, the gravity sensor senses the existence and nonexistence of chemical reagents to obtain the inventory of the current dangerous chemical reagent warehouse, and in addition, the serial port number and the address of a classmate module are correlated with the names of the dangerous chemical reagents and combined with a fingerprint identification system, and by polling each communication module periodically, the intelligent management and control of the amount of certain dangerous chemical reagents which are used by a specific person at a certain moment or stored in the warehouse are realized.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above described embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (8)
1. The utility model provides an intelligent management and control system of laboratory dangerization article reagent business turn over storehouse which characterized in that includes: the system comprises a fingerprint identification electronic device, an automatic dangerous chemical reagent quantity identification device, a control computer and a management computer;
the fingerprint identification electronic device comprises: the system comprises a fingerprint recognizer and an electronic lock, wherein the fingerprint recognizer is used for recognizing and confirming the identity of a laboratory administrator, the electronic lock is used for opening/closing a laboratory door, and the management computer is used for recording the time when the electronic lock opens/closes the laboratory door;
dangerous chemicals chemical reagent quantity automatic identification equipment is used for automatic judgement dangerous chemicals chemical reagent kind, quantity, includes: the power supply, the gravity sensor and the communication module are sequentially connected, the communication module is connected with the control computer through an RS 485-to-Ethernet server, and the control computer is connected with the management computer;
the gravity sensor comprises: the base is connected with the supporting plate through the spring;
the communication module is a DI communication module, a 485+ end on the DI communication module is connected with the upper contact piece in a point-to-point mode, and a 485-end on the DI communication module is connected with a point-to-point mode between the 485-end and a negative electrode of the power supply after being connected with a resistor in series.
2. The intelligent management and control system for laboratory hazardous chemical reagent warehouse entry and exit according to claim 1, characterized in that: the base and the supporting plate are made of PP materials.
3. The intelligent management and control system for laboratory hazardous chemical reagent warehouse entry and exit according to claim 1, characterized in that: the DI communication module is connected with a plurality of gravity sensors.
4. The intelligent management and control system for laboratory hazardous chemical reagent warehouse entry and exit according to claim 1, characterized in that: the RS 485-to-Ethernet server is connected with a plurality of DI communication modules through a bus.
5. The intelligent management and control system for laboratory hazardous chemical reagent warehouse entry and exit according to claim 1, further comprising a barcode scanner for scanning barcodes on each chemical reagent.
6. The intelligent management and control method for the laboratory hazardous chemical reagent in-out warehouse according to any one of claims 1 to 5, characterized by comprising the following steps:
1) recording information of hazardous chemical agent management personnel into the fingerprint identification electronic device, the control computer and the management computer, and establishing a database for hazardous chemical agent personnel archive management;
2) when the identity of the dangerous chemical reagent manager is confirmed by the fingerprint identifier, the electronic lock is unlocked, and the identity and the entering time information of the dangerous chemical reagent manager entering the laboratory are sent to the management computer through Bluetooth or WiFi; when the hazardous chemical reagent management personnel leave the laboratory, the electronic lock is closed, and time information of leaving the laboratory is sent to the management computer through Bluetooth or WiFi;
3) recording the chemical reagent amount of the dangerous chemicals of a specific type in real time through a gravity sensor;
4) and then, scanning the bar codes on the hazardous chemical reagents through a code scanner to master the inventory condition of each hazardous chemical reagent.
7. The intelligent management and control method for laboratory hazardous chemical reagents to enter and exit the warehouse according to claim 6, characterized in that: the gravity sensor is provided with a plurality of dangerous chemical reagents with corresponding bottle numbers, and the DI communication module is also provided with a plurality of dangerous chemical reagents with corresponding types.
8. The intelligent management and control method for laboratory hazardous chemical reagents to enter and exit the warehouse according to claim 6, characterized in that: and the database is also provided with MSDS specifications of corresponding hazardous chemical reagents.
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| CN111717589A (en) * | 2020-06-22 | 2020-09-29 | 郑州人民医院(郑州人民医院医疗管理中心) | Laboratory consumable management system |
| CN111947761A (en) * | 2020-08-12 | 2020-11-17 | 杭州易徕博科技有限公司 | Laboratory control chemical metering device |
| CN117291550A (en) * | 2023-11-21 | 2023-12-26 | 南昌协达科技发展有限公司 | Experimental reagent management method and system |
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| CN117291550A (en) * | 2023-11-21 | 2023-12-26 | 南昌协达科技发展有限公司 | Experimental reagent management method and system |
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