CN111429075A - Intelligent medical logistics system and logistics method based on block chain technology - Google Patents
Intelligent medical logistics system and logistics method based on block chain technology Download PDFInfo
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Abstract
The invention discloses an intelligent medical logistics method based on a block chain technology, which comprises the following steps: after the medical logistics robot acquires the loaded articles, receiving corresponding distribution information and generating and issuing a first block by utilizing the distribution information; the medical logistics robot moves to a destination position corresponding to the delivery destination identifier contained in the delivery information; the invention also discloses an intelligent medical logistics system based on the block chain technology.
Description
Technical Field
The invention belongs to the technical field of logistics block chains, and particularly relates to an intelligent medical logistics system and a logistics method based on a block chain technology.
Background
In recent years, intelligent medical logistics systems typified by medical logistics robots are rapidly used in hospitals. The medical logistics robot can realize autonomous navigation based on various sensing devices, can execute intelligent work such as automatic elevator taking and automatic loading and unloading, can be applied to departments such as disinfection supply rooms, operation centers, storehouses, inpatient areas and clinical laboratories, and undertakes delivery responsibilities of articles such as surgical sterile bags, high-value consumables, intravenous infusion bags, medicines, specimens, breast milk and medical wastes. Medical logistics robot can realize seamless butt joint with rail mounted commodity circulation transmission system, solves labour shortage, human cost, inefficiency scheduling problem in the commodity circulation activity.
The medical logistics robot may generally have a plurality of storage devices, and when the medical logistics robot undertakes a plurality of distribution tasks, problems that a goods taker takes a wrong distribution item, or takes/takes a little or more distribution items, and the distribution items are stolen exist in the distribution process. Although some medical logistics robots have installed the trick lock additional on the locker, the password simplification still leads to having the security risk, therefore takes article by mistake etc. problem still can't be solved. The invention adopts a block chain based technology to realize effective authentication of the opening of the storage cabinet and credible tracking of the whole life chain of the stored articles, and can effectively solve the problems.
Accordingly, further developments and improvements are still needed in the art.
Disclosure of Invention
In order to solve the above problems, the present invention provides an intelligent medical logistics system and a logistics method based on a block chain technology, which utilize a safety data storage and identity authentication method of the block chain technology to perform full-chain traceability tracking on the delivery of a medical logistics robot, thereby improving logistics efficiency and safety.
In order to achieve the purpose, the invention provides the following technical scheme:
an intelligent medical logistics method based on block chain technology comprises the following steps:
after the medical logistics robot acquires the loaded articles, receiving corresponding distribution information and generating and issuing a first block by utilizing the distribution information;
the medical logistics robot moves to a destination position corresponding to the delivery destination identifier contained in the delivery information;
the medical logistics robot verifies the identity of the signatory in the distribution information, and generates and issues a second block based on the information of the signatory after the signatory who passes the verification takes away the loaded articles.
Preferably, the first block comprises a block identifier, a block header, a block issuer digital signature and delivery information, wherein the block header comprises a previous block identifier, a block generation time and a delivery information root check value; the delivery information includes identification information of a loading person, identification of a delivery destination, a name of a loaded article, a weight of the loaded article, and a weight of a single item of the loaded article, and optionally, each piece of the delivery information is encrypted by using a public key of a recipient of the delivery destination.
Preferably, the medical logistics robot issues a first block to a verification node, the verification node performs operation comparison according to a digital signature of a block issuer contained in the first block and data in a public key list of a valid pre-stored block issuer, authenticates the identity of the block issuer, verifies distribution information contained in the first block after the authentication is passed, and links the first block to a block of a previous block identifier in a network contained in the first block after the verification is passed.
Preferably, the medical logistics robot acquires the private key of the signatory by using the information acquisition interface, and then verifies the identity of the signatory in the distribution information, wherein the signatory provides the private key through a two-dimensional code, short message information, a bar code, a U shield or an IC card medium.
Preferably, the second block comprises a second block mark, a previous block mark, a medical logistics robot identity mark, a sign-in person mark, a sign-in article name and a sign-in article number, the medical logistics robot determines the weight of articles to be taken by the sign-in person according to the number of articles loaded in the distribution information and the weight of a single article, the weight of the articles in the current storage box is measured by using a pressure sensor on the storage box for obtaining the loaded articles, whether the loaded articles are accurately taken by the sign-in person is determined according to the weight of the articles before the goods are taken by the sign-in person, the medical logistics robot obtains the names and the number of the articles taken by the sign-in person through an information obtaining interface, the medical logistics robot compares the obtaining record of the information obtaining interface with the number of the loaded articles recorded in the distribution information stored in the first block, and judges whether the sign-in person accurately takes the loaded articles according to the comparison result, when the medical logistics robot judges that the receiver does not correctly pick up goods, the medical logistics robot sends alarm information to the receiver in the distribution information, and when the return operation of the receiver article is not received within a preset time, a first alarm block is sent to a network, wherein the first alarm block comprises: the system comprises a first alarm block mark, a last alarm block mark, a medical logistics robot identity mark, a sign-up person mark, a name of an article to be signed up, the number of the articles to be signed up, a name of the article to be taken away by the sign-up person, the number of the name of the article to be taken away by the sign-up person and a sign-up timestamp.
Preferably, the medical logistics robot sends a delivery completion message to the network, the network server confirms whether the delivery is normally completed according to the contents of the first to nth blocks and the first to nth alarm blocks issued by the logistics robot, and sends an alarm message to an administrator if an error occurs.
An intelligent medical logistics system based on a block chain technology comprises a medical logistics robot and a network server, wherein the medical logistics robot comprises:
the operation module is used for receiving corresponding distribution information and generating and issuing a first block by utilizing the distribution information after the medical logistics robot acquires the loaded articles, and generating and issuing a second block by utilizing the information of the signatory and issuing the second block through the network server;
the execution module is used for the medical logistics robot to move to a destination position corresponding to the delivery destination identifier contained in the delivery information;
and the verification module is used for verifying the identity of the signatory in the distribution information by the medical logistics robot.
Has the advantages that:
the invention provides an intelligent medical logistics system and a logistics method based on a block chain technology, wherein the method utilizes the block chain technology to store safety data and authenticate identities, performs end-to-end full chain traceability tracking on each distribution of a medical logistics robot, can automatically judge and alarm errors, assists a server and a manager to efficiently correct the errors, can effectively ensure the safety of a medical logistics robot storage box and the correctness of article access, improves the logistics efficiency and safety, and is suitable for popularization.
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FIG. 1 is a flow chart of a method for intelligent medical logistics based on blockchain technology in accordance with an embodiment of the present invention;
FIG. 2 is a block diagram of the intelligent medical logistics method based on block chain technology according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating calculation of root check values of distributed information by an intelligent medical logistics method based on a block chain technology according to an embodiment of the invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the following description of the technical solutions of the present invention with reference to the accompanying drawings of the present invention is made clearly and completely, and other similar embodiments obtained by a person of ordinary skill in the art without any creative effort based on the embodiments in the present application shall fall within the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustrating the present invention and not for limiting the present invention.
Fig. 1 shows that the intelligent medical logistics method based on the block chain technology provided by the invention comprises the following steps:
s100: after acquiring the loaded articles, the medical logistics robot receives corresponding delivery information and generates and issues a first block by using the delivery information, as shown in fig. 2, the first block includes a block identifier, a block header, a block issuer digital signature and delivery information, wherein the block header includes a previous block identifier, block generation time, and a delivery information root check value; the distribution information comprises carrier identification information, a distribution destination identifier, a carrier name and the weight of a single product of the carrier, optionally, each piece of distribution information is encrypted by a public key of a distributor of the distribution destination, the medical logistics robot issues a first block to a verification node, the verification node performs operation comparison according to a digital signature of a block issuer contained in the first block and data in a pre-stored public key list of an effective block issuer, authenticates the identity of the block issuer, and links the first block to a block of a previous block identifier in a network contained in the first block after the authentication is passed.
S200: the medical logistics robot travels to a destination position corresponding to the delivery destination identifier included in the delivery information.
S300: the medical logistics robot verifies the identity of a person signing in the distribution information, the medical logistics robot obtains a private key of the person signing by using the information obtaining interface and then verifies the identity of the person signing in the distribution information, wherein the person signing provides the private key through two-dimensional codes, short message information, bar codes, U shields or IC card media, after the person signing after passing the verification takes away the loaded articles, a second block is generated and issued based on the information of the person signing, and the second block comprises a second block identifier, a last block identifier, a medical logistics robot identity identifier, a person signing identifier, a name of the article signing and the number of the articles signing.
In some embodiments, the specific method for verifying whether the signatory in the first delivery information accurately takes the goods is that the medical logistics robot determines the weight of the goods that the signatory should take away according to the number of the loaded goods and the weight of the single goods in the delivery information, obtains the weight of the goods in the current storage box by using a pressure sensor on the storage box for obtaining the loaded goods to measure the weight, and determines whether the signatory accurately takes away the loaded goods according to the weight of the goods before the signatory takes away the goods.
In some embodiments, the specific method for verifying whether the signatory in the first delivery information accurately takes away the goods is that the medical logistics robot uses a code scanning gun of the medical logistics robot to scan a code record of the stored goods according to the signatory, the medical logistics robot confirms the number of the various goods recorded in the first delivery information stored in the first block according to the code scanning record, and judges whether the loaded goods are accurately taken away according to the comparison result.
In some embodiments, the specific method for verifying whether the signatory in the first distribution information accurately takes the articles is that the medical logistics robot confirms the names and the number of the articles taken by the signatory according to the RFID tag receiver, confirms the medical logistics robot according to the RFID records and the number of various articles recorded in the first distribution information stored in the first block, and judges whether the articles are accurately taken according to the comparison result.
Specifically, when the medical logistics robot judges that the person signing for goods is not correctly picking up goods, the medical logistics robot sends alarm information to the person signing for goods in the distribution information, and when the operation of returning the article of the person signing for goods is not received within a preset time, a first alarm block is sent to the network, and the first alarm block comprises: the system comprises a first alarm block mark, a last alarm block mark, a medical logistics robot identity mark, a sign-up person mark, a name of an article to be signed up, the number of the articles to be signed up, a name of the article to be taken away by the sign-up person, the number of the name of the article to be taken away by the sign-up person and a sign-up timestamp.
Specifically, the medical logistics robot sends a distribution completion message to the network, the network server confirms whether the distribution is normally completed or not according to the contents of the first block to the nth block and the first alarm block to the nth alarm block issued by the logistics robot, and if an error occurs, the network server sends an alarm message to an administrator.
The invention also provides an intelligent medical logistics system based on the block chain technology, which comprises a medical logistics robot and a network server, wherein the medical logistics robot comprises:
the operation module is used for receiving corresponding distribution information and generating and issuing a first block by utilizing the distribution information after the medical logistics robot acquires the loaded articles, and generating and issuing a second block by utilizing the information of the signatory and issuing the second block through the network server;
the execution module is used for the medical logistics robot to move to a destination position corresponding to the delivery destination identifier contained in the delivery information;
and the verification module is used for verifying the identity of the signatory in the distribution information by the medical logistics robot.
The technical scheme of the invention is explained in detail by the following specific examples, and the method comprises the following steps:
step 1: and the medical logistics robot puts each loaded article into the corresponding storage box according to the loaded article identifier, wherein the mode of acquiring the loaded articles by the medical logistics robot is to acquire the loaded articles from a logistics transmission system or to manually load the loaded articles.
Step 2, the medical logistics robot generates a first block comprising block representation, a block head, a block publisher digital signature and distribution information, wherein the block head comprises a last block identifier, block generation time and a distribution information root check value, the distribution information root check value is obtained by performing Hash function operation on each piece of distribution information, the specific calculation mode is as shown in FIG. 3, the bottommost layer L1, L2 \ L3 \ L4 is each piece of distribution information, Hash 0-0 is a numerical value obtained by performing Hash operation on distribution information L1, Hash0-1 is a numerical value obtained by performing Hash operation on distribution information L2, and the root check value TopHash of distribution information L1-L4 is obtained by three-layer Hash iterative operation, the distribution information comprises a loader identifier, a distribution destination identifier, the number of names of loaded articles and the weight of the loaded articles, and each piece of distribution information is encrypted by a public key of a distribution destination signer.
And step 3: the medical logistics robot carries out operation comparison on a first block network server issued to the network according to the digital signature of the block issuer contained in the first block and data in a public key list of a pre-stored effective block issuer, authenticates the identity of the block issuer, and links the first block to a block of a last block identifier contained in the network in the first block after the authentication is passed.
And 4, step 4: the medical logistics robot proceeds to a first position corresponding to the delivery destination identifier included in the first delivery information.
And 5: the medical logistics robot acquires a private key of a signatory through the information acquisition interface, further verifies the identity of the signatory in first distribution information in the distribution information, wherein the signatory unlocks the first distribution information through the private key provided by the two-dimensional code, the short message information, the bar code, the U shield or the IC card medium, and after the unlocking is successful, a storage box corresponding to the medical logistics robot is automatically unlocked.
Step 6: the medical logistics robot determines whether the person signing for the first delivery information accurately takes away the article, if the medical logistics robot determines that the person signing for the first delivery information wrongly takes the article, the medical logistics robot sends out alarm information to the person signing for the first delivery information, and when the article returning operation of the person signing for the first delivery information is not received within a preset time, a first alarm block is sent to a network, wherein the first alarm block comprises: the system comprises a first alarm block mark, a last alarm block mark, a medical logistics robot identity mark, a sign-up person mark, a name of an article to be signed up, the number of the articles to be signed up, a name of the article to be taken away by the sign-up person, the number of the name of the article to be taken away by the sign-up person and a sign-up timestamp.
And 7: when the medical logistics robot determines that the person signing for the goods is really taken away, a second block is sent to the server, and the second block comprises: the second block mark, the last block mark, the medical logistics robot identity mark, the sign-up person mark, the name and the number of the sign-up articles.
And 8: and the medical logistics robot plans a route to move to a position corresponding to the second distribution information, and executes the steps 5-7 until all the articles conveyed by the medical logistics robot are distributed.
And step 9: the medical logistics robot sends a distribution completion message to the network server, the network server confirms whether the distribution is normally completed or not according to the contents of the first block to the Nth block and the first alarm block to the Nth alarm block issued by the medical logistics robot, if an error occurs, alarm information is sent to an administrator, and the alarm information comprises a person who confirms that the goods are taken away by mistake and the information of the goods are taken away by mistake according to the first alarm area to the Nth alarm area, so that the administrator can carry out manual intervention and error correction.
The present invention has been described in detail, and it should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
Claims (10)
1. An intelligent medical logistics method based on a block chain technology is characterized by comprising the following steps:
after the medical logistics robot acquires the loaded articles, receiving corresponding distribution information and generating and issuing a first block by utilizing the distribution information;
the medical logistics robot moves to a destination position corresponding to the delivery destination identifier contained in the delivery information;
the medical logistics robot verifies the identity of the signatory in the distribution information, and generates and issues a second block based on the information of the signatory after the signatory who passes the verification takes away the loaded articles.
2. The intelligent medical logistics method based on block chain technology of claim 1, wherein the first block comprises a block identifier, a block header, a block publisher digital signature and delivery information, wherein the block header comprises a last block identifier, a block generation time, a delivery information root check value; the delivery information comprises identification information of a loading person, identification of a delivery destination, name of a loaded article, quantity of the loaded article, single-article weight of the loaded article and optional information, and each piece of delivery information is encrypted by a public key of a delivery destination signoff.
3. The intelligent medical logistics method based on the block chain technology of claim 2, wherein the medical logistics robot issues the first block to the verification node, the verification node performs operation comparison according to the digital signature of the block publisher contained in the first block and the pre-stored data in the public key list of the valid block publisher, authenticates the identity of the block publisher, verifies the delivery information contained in the first block after the authentication is passed, and links the first block to the block identified by the previous block in the network contained in the first block after the authentication is passed.
4. The intelligent medical logistics method based on block chain technology of claim 3 wherein the medical logistics robot utilizes the information acquisition interface to acquire the private key of the signatory and further verify the identity of the signatory in the delivery information, wherein the signatory provides the private key through two-dimensional codes, short message information, bar codes, U-shields or IC card media.
5. The intelligent medical logistics method based on block chain technology of claim 4, wherein the second block comprises a second block identifier, a last block identifier, a medical logistics robot identity identifier, a sign-up person identifier, a sign-up item name, and a sign-up item number.
6. The intelligent medical logistics method based on block chain technology of claim 5 wherein the medical logistics robot determines the weight of the items to be taken by the signatory according to the number of the loaded items and the weight of the individual items in the delivery information, obtains the weight of the items in the current storage box by using the pressure sensor on the storage box for obtaining the loaded items to measure, and determines whether the signatory accurately takes the loaded items according to the weight of the items before the signatory takes the items.
7. The intelligent medical logistics method based on block chain technology of claim 5, wherein the medical logistics robot obtains the name and number of the items taken by the signatory through the information obtaining interface, the medical logistics robot compares the obtaining record of the information obtaining interface with the number of the loaded items recorded in the distribution information stored in the first block, and judges whether the signatory accurately takes the loaded items according to the comparison result.
8. The intelligent medical logistics method based on block chain technology of claim 6 or 7, wherein when the medical logistics robot judges that the receiver does not pick up the goods correctly, the medical logistics robot sends an alarm message to the receiver in the delivery message, and when the return operation of the receiver item is not received within a predetermined time, the medical logistics robot sends a first alarm block to the network, and the first alarm block comprises: the system comprises a first alarm block mark, a last alarm block mark, a medical logistics robot identity mark, a sign-up person mark, a name of an article to be signed up, the number of the articles to be signed up, a name of the article to be taken away by the sign-up person, the number of the name of the article to be taken away by the sign-up person and a sign-up timestamp.
9. The intelligent medical logistics method based on block chain technology of claim 8 wherein the medical logistics robot sends a delivery complete message to the network, and the network server confirms whether the delivery is completed normally according to the contents of the first to nth blocks and the first to nth alarm blocks issued by the logistics robot, and sends an alarm message to the administrator if an error occurs.
10. An intelligent medical logistics system based on a block chain technology is characterized by comprising a medical logistics robot and a network server, wherein the medical logistics robot comprises:
the operation module is used for receiving corresponding distribution information and generating and issuing a first block by utilizing the distribution information after the medical logistics robot acquires the loaded articles, and generating and issuing a second block by utilizing the information of the signatory and issuing the second block through the network server;
the execution module is used for the medical logistics robot to move to a destination position corresponding to the delivery destination identifier contained in the delivery information;
and the verification module is used for verifying the identity of the signatory in the distribution information by the medical logistics robot.
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| CN111429075B (en) | 2022-11-15 |
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