CN110991524A - Garbage classification management method, device and medium based on block chain - Google Patents
Garbage classification management method, device and medium based on block chain Download PDFInfo
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Abstract
The application discloses a garbage classification management method, equipment and medium based on a block chain, which comprises the following steps: deploying a blockchain platform based on the blockchain framework; taking a garbage throwing device as a node and deploying the node in a block chain platform; determining user information for executing a garbage throwing action; receiving error throwing information which is sent by a garbage throwing device and indicates that a user does not throw garbage into a corresponding container according to garbage classification; and writing the error delivery information into the block chain platform. The error throwing information during garbage classification is stored in the block chain platform, and data in the block chain platform is public and transparent, so all users can inquire who throws garbage according to garbage classification at any time through corresponding ways, and the users can supervise each other. And because the blockchain platform is in distributed storage, data tampering of a single node cannot be effective, and the truthfulness and the credibility of the data on the blockchain platform are ensured.
Description
Technical Field
The application relates to the field of garbage classification, in particular to a garbage classification management method, equipment and medium based on a block chain.
Background
With the improvement of living standard of people, more and more cities in China begin to implement garbage classification. The garbage classification refers to a general term of a series of activities for storing, putting and carrying garbage classified according to a certain rule or standard, so as to convert the garbage classified into a common resource. The purpose of garbage classification is to improve the resource value and economic value of garbage and strive for making the best use of things.
However, the existing garbage classification still has some problems, for example, the garbage classification is difficult to popularize. People often throw garbage according to garbage classification, but people are difficult to find out who does not throw the garbage according to the garbage classification. If personnel supervision is provided in the vicinity of each waste deposit device, enormous labor costs are incurred.
Disclosure of Invention
In order to solve the above problem, the present application provides a garbage classification management method based on a block chain, including: deploying a blockchain platform based on the blockchain framework; taking a garbage throwing device as a node and deploying the garbage throwing device in the block chain platform; the garbage throwing device has the function of identifying the type of garbage, and a plurality of containers for placing different types of garbage are arranged in the garbage throwing device; determining user information for executing a garbage throwing action; receiving error throwing information which is sent by the garbage throwing device and indicates that the user does not throw the garbage into the corresponding container according to the garbage classification; and writing the wrong delivery information into the block chain platform, and sending a prompt to the user through the garbage delivery container.
In one example, after determining user information to perform the act of garbage disposal, the method further comprises: querying historical wrong delivery information of the user; and if the historical throwing information quantity of the user exceeds a preset threshold value, sending a prompt to the user through the garbage throwing device before the user throws garbage.
In one example, determining user information to perform a garbage placement action includes: determining user information for executing garbage throwing action according to the face image of the user acquired by the face acquisition device arranged on the garbage throwing device; or, through a card reader arranged on the garbage throwing device, the user information for executing garbage throwing action is determined according to the acquired user identity information.
In one example, an image acquisition device is arranged in the garbage throwing device; before receiving the incorrect putting information sent by the garbage putting device and indicating that the user does not put the garbage into the corresponding container according to the garbage classification, the method further includes: acquiring a plurality of images containing garbage as training samples; training to obtain a recognition model according to the images, wherein the input of the recognition model is an image containing garbage, and the output of the recognition model is a category corresponding to the garbage; acquiring an image containing the garbage thrown by the user through the image acquisition device, and determining the category corresponding to the garbage through the identification model; and determining that the user does not classify according to the garbage, and putting the garbage into the corresponding container.
In one example, the classification manner of the garbage classification is matched with the classification manner according to the region where the garbage throwing device is located.
In one example, a temperature detection device and a heat dissipation device are disposed in the garbage throwing device, and the method further includes: determining the temperature in the garbage throwing device through the temperature detection device; and if the temperature exceeds a preset temperature threshold value, writing the temperature into the block chain platform and controlling the heat dissipation device to work.
In one example, a weight detecting device is disposed in the garbage throwing device, and the method further includes: determining the weight in each container in the garbage throwing device through the weight detection device; and if the weight exceeds a preset weight threshold value, writing the weight into the block chain platform, and stopping throwing garbage into the corresponding container.
In one example, a human-computer interaction module is arranged on the garbage throwing device and used for supporting interaction between the user and the garbage throwing device.
On the other hand, this application has still provided a rubbish classification management equipment based on block chain, includes: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to: deploying a blockchain platform based on the blockchain framework; taking a garbage throwing device as a node and deploying the garbage throwing device in the block chain platform; the garbage throwing device has the function of identifying the type of garbage, and a plurality of containers for placing different types of garbage are arranged in the garbage throwing device; determining user information for executing a garbage throwing action; receiving error throwing information which is sent by the garbage throwing device and indicates that the user does not throw the garbage into the corresponding container according to the garbage classification; and writing the wrong delivery information into the block chain platform, and sending a prompt to the user through the garbage delivery container.
In another aspect, the present application further provides a non-volatile computer storage medium for garbage classification management based on a block chain, where the non-volatile computer storage medium stores computer-executable instructions configured to: deploying a blockchain platform based on the blockchain framework; taking a garbage throwing device as a node and deploying the garbage throwing device in the block chain platform; the garbage throwing device has the function of identifying the type of garbage, and a plurality of containers for placing different types of garbage are arranged in the garbage throwing device; determining user information for executing a garbage throwing action; receiving error throwing information which is sent by the garbage throwing device and indicates that the user does not throw the garbage into the corresponding container according to the garbage classification; and writing the wrong delivery information into the block chain platform, and sending a prompt to the user through the garbage delivery container.
The garbage classification management method based on the block chain can bring the following beneficial effects:
the error throwing information during garbage classification is stored in the block chain platform, and data in the block chain platform is public and transparent, so all users can inquire who throws garbage according to garbage classification at any time through corresponding ways, and the users can supervise each other. And because the blockchain platform is in distributed storage, data tampering of a single node cannot be effective, and the truthfulness and the credibility of the data on the blockchain platform are ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic flowchart of a garbage classification management method based on a block chain in an embodiment of the present application;
fig. 2 is a schematic diagram of a garbage classification management device based on a block chain in an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.
As shown in fig. 1, an embodiment of the present application provides a garbage classification management method based on a block chain, including:
s101, deploying a blockchain platform based on the blockchain framework.
The Blockchain (Blockchain) is a novel application mode of computer technologies such as distributed data storage, point-to-point transmission, a consensus mechanism, an encryption algorithm and the like, and is essentially a decentralized database.
A blockchain platform is first deployed based on the blockchain framework. The blockchain frame may be any blockchain frame capable of implementing the corresponding function of the embodiment of the present application, for example, bitcoin, etherhouse, Fabric, Corda, and the like. A blockchain platform may refer to a platform that stores a blockchain, e.g., may be a distributed system, etc. Of course, the blockchain platform may also directly represent the blockchain itself, and is not limited herein.
S102, taking a garbage throwing device as a node and deploying the garbage throwing device in the block chain platform; the garbage throwing device has the function of identifying the category of garbage, and a plurality of containers used for placing different categories of garbage are arranged in the garbage throwing device.
The garbage throwing device is a device for throwing garbage, namely a general name of devices such as a garbage can, a garbage can and a garbage truck. Generally, a plurality of garbage throwing devices are arranged in a city, each garbage throwing device corresponds to a corresponding number, and the garbage throwing devices can be deployed in a block chain platform as nodes.
Wherein, be provided with a plurality of containers that are used for placing different types of rubbish in the rubbish input device. For example, a plurality of garbage cans are arranged in the garbage throwing device, one garbage can is used for placing dry garbage, one garbage can is used for placing wet garbage, one garbage can is used for placing recyclable materials, and one garbage can is used for placing harmful garbage. Of course, this is only a garbage classification method, and the rest will not be described herein.
The garbage throwing device also has a function of identifying the type of garbage, namely, the type of the garbage thrown into the garbage throwing device by a user can be determined.
Specifically, an image acquisition device can be arranged in the garbage throwing device, and the image acquisition device can acquire images of garbage thrown by a user. In operation, a plurality of images containing various types of garbage can be collected as training samples. For example, images of various trash such as fruit peels, wine bottles, paper, etc. may be selected. In addition, images of multiple angles and multiple forms can be selected as training samples for the same garbage. For example, the paper may include creped paper, flattened paper, bunched paper, and the like. And then, obtaining a recognition model through supervised training of the plurality of training samples, wherein the input of the recognition model is an image containing garbage, and the output is a category corresponding to the garbage. The recognition model may be trained through a Convolutional Neural Network (CNN), a Deep Neural Network (DNN), a Decision Tree (Decision Tree), and the like, which are not limited herein.
When a user puts garbage, the image acquisition device can be used for acquiring an image containing the garbage put by the user, and then the type of the garbage put by the user can be determined through the identification model, namely, the function of identifying the type of the garbage is realized.
And S103, determining user information for executing the garbage throwing action.
When a user wants to throw garbage, user information of the user needs to be determined first.
Specifically, the garbage throwing device may be provided with a face acquisition device, and when a user wants to throw garbage, the face acquisition device acquires a face image of the user, and then may be associated with a system of a public security department, and acquires user information of the user through the face image. Or the user information of the user is acquired in a related system registered by the user through the face image, which is not described herein again.
The garbage throwing device can also be provided with a card reader, a user needs to swipe a card before throwing garbage, and the card reader can acquire identity information of the user at the moment. When the user swipes the card, the user can swipe the identity card or other identity cards capable of proving the identity.
S104, receiving error throwing information which is sent by the garbage throwing device and indicates that the user does not classify according to garbage and throws the garbage into the corresponding container.
And S105, writing the error throwing information into the block chain platform, and sending a prompt to the user through the garbage throwing container.
After the identity information of the user is determined, the user can throw garbage. And then confirming whether the garbage thrown by the user is thrown into the correct classification. If the user does not deposit garbage according to the garbage classification, for example, the garbage which is originally dry garbage is deposited into the container corresponding to the wet garbage. At this point, false drop information indicating that the user is not classified as spam may be generated. The classification mode of garbage classification is matched with the region where the garbage throwing device is located. For example, the categories of the Shanghai garbage classification include: recoverable materials, harmful garbage, wet garbage and dry garbage. And the categories of the garbage classification of Beijing include: kitchen waste, recoverable matters, harmful garbage and other garbage.
The error delivery information is then written into the blockchain platform and the garbage delivery device is prompted to the user. The prompt may be sent in a text, a video, a voice, etc., and is not limited herein. The error throwing information during garbage classification is stored in the block chain platform, and data in the block chain platform is public and transparent, so all users can inquire who throws garbage according to garbage classification at any time through corresponding ways, and the users can supervise each other. And because the blockchain platform is in distributed storage, data tampering of a single node cannot be effective, and the truthfulness and the credibility of the data on the blockchain platform are ensured.
In one embodiment, after the identity information of the user is determined, historical incorrect delivery information of the user may be queried on the blockchain platform, and if the historical incorrect delivery information of the user exceeds a preset threshold or the ratio exceeds a certain value, it is indicated that the user is more prone to delivery errors. Before the user puts the garbage, the garbage putting device can send corresponding prompts to the user so as to reduce the probability of putting errors of the user.
In one embodiment, a temperature monitoring device and a heat dissipation device are arranged in the garbage throwing device. Because the garbage is piled up, organic substances in the garbage are decomposed under the action of bacteria to generate methane gas and other combustible gases, and a large amount of heat is generated. At high temperature, the generating speed is faster, so that the concentration of the combustible gas reaches the explosion limit concentration range, and the combustible gas is easy to explode in open fire, sparks or high-temperature environments. Therefore, when the temperature monitoring device detects that the temperature in the garbage throwing device exceeds the preset temperature threshold value, the situation can be written into the block chain platform, so that workers can know the situation as soon as possible, and the heat dissipation device is controlled to work to dissipate heat, so that the possibility of explosion is reduced.
In one embodiment, a weight detection device is arranged in the garbage throwing device. When the weight of the garbage in the garbage throwing device is too large, the garbage throwing device is easy to have negative influence on the garbage throwing device. Therefore, when the weight detection device detects that the weight in a certain container exceeds a preset weight threshold value, the weight can be written into the block chain platform, so that related workers can know the weight as soon as possible and can process the weight as soon as possible. And the introduction of refuse into the container can be stopped at this point. The specific way can be to close the cover body of the garbage throwing device or stop the garbage to be transported to the container through software control.
In one embodiment, a human-computer interaction device is disposed on the trash throwing device, which may be a display screen with a capacitive touch function, for supporting interaction between a user and the trash throwing device. For example, the garbage throwing device makes a corresponding prompt to the user through the interaction device, and the like.
As shown in fig. 2, a further embodiment of the present application further provides a garbage classification management device based on a block chain, including:
at least one processor; and the number of the first and second groups,
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores instructions executable by the at least one processor to enable the at least one processor to:
deploying a blockchain platform based on the blockchain framework;
taking a garbage throwing device as a node and deploying the garbage throwing device in the block chain platform; the garbage throwing device has the function of identifying the type of garbage, and a plurality of containers for placing different types of garbage are arranged in the garbage throwing device;
determining user information for executing a garbage throwing action;
receiving error throwing information which is sent by the garbage throwing device and indicates that the user does not throw the garbage into the corresponding container according to the garbage classification;
and writing the wrong delivery information into the block chain platform, and sending a prompt to the user through the garbage delivery container.
An embodiment of the present application further provides a non-volatile computer storage medium for garbage classification management based on a block chain, where a computer-executable instruction is stored, and the computer-executable instruction is set to:
deploying a blockchain platform based on the blockchain framework;
taking a garbage throwing device as a node and deploying the garbage throwing device in the block chain platform; the garbage throwing device has the function of identifying the type of garbage, and a plurality of containers for placing different types of garbage are arranged in the garbage throwing device;
determining user information for executing a garbage throwing action;
receiving error throwing information which is sent by the garbage throwing device and indicates that the user does not throw the garbage into the corresponding container according to the garbage classification;
and writing the wrong delivery information into the block chain platform, and sending a prompt to the user through the garbage delivery container.
The embodiments in the present application are described in a progressive manner, and the same and similar parts among the embodiments can be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the device and media embodiments, the description is relatively simple as it is substantially similar to the method embodiments, and reference may be made to some descriptions of the method embodiments for relevant points.
The device and the medium provided by the embodiment of the application correspond to the method one to one, so the device and the medium also have the similar beneficial technical effects as the corresponding method, and the beneficial technical effects of the method are explained in detail above, so the beneficial technical effects of the device and the medium are not repeated herein.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A garbage classification management method based on a block chain is characterized by comprising the following steps:
deploying a blockchain platform based on the blockchain framework;
taking a garbage throwing device as a node and deploying the garbage throwing device in the block chain platform; the garbage throwing device has the function of identifying the type of garbage, and a plurality of containers for placing different types of garbage are arranged in the garbage throwing device;
determining user information for executing a garbage throwing action;
receiving error throwing information which is sent by the garbage throwing device and indicates that the user does not throw the garbage into the corresponding container according to the garbage classification;
and writing the wrong delivery information into the block chain platform, and sending a prompt to the user through the garbage delivery container.
2. The method of claim 1, wherein after determining user information to perform a garbage placement action, the method further comprises:
querying historical wrong delivery information of the user;
and if the historical throwing information quantity of the user exceeds a preset threshold value, sending a prompt to the user through the garbage throwing device before the user throws garbage.
3. The method of claim 1, wherein determining user information to perform a garbage placement action comprises:
determining user information for executing garbage throwing action according to the face image of the user acquired by the face acquisition device arranged on the garbage throwing device; or the like, or, alternatively,
and determining user information for executing the garbage throwing action according to the acquired user identity information through a card reader arranged on the garbage throwing device.
4. The method according to claim 1, wherein an image acquisition device is disposed within the waste deposit device;
before receiving the incorrect putting information sent by the garbage putting device and indicating that the user does not put the garbage into the corresponding container according to the garbage classification, the method further includes:
acquiring a plurality of images containing garbage as training samples;
training to obtain a recognition model according to the images, wherein the input of the recognition model is an image containing garbage, and the output of the recognition model is a category corresponding to the garbage;
acquiring an image containing the garbage thrown by the user through the image acquisition device, and determining the category corresponding to the garbage through the identification model;
and determining that the user does not classify according to the garbage, and putting the garbage into the corresponding container.
5. The method according to claim 1, wherein the classification of the waste is matched according to the region where the waste depositing device is located.
6. The method of claim 1, wherein a temperature sensing device and a heat sink are disposed within the waste deposit apparatus, the method further comprising:
determining the temperature in the garbage throwing device through the temperature detection device;
and if the temperature exceeds a preset temperature threshold value, writing the temperature into the block chain platform and controlling the heat dissipation device to work.
7. The method of claim 1, wherein a weight detection device is disposed within the refuse chute, the method further comprising:
determining the weight in each container in the garbage throwing device through the weight detection device;
and if the weight exceeds a preset weight threshold value, writing the weight into the block chain platform, and stopping throwing garbage into the corresponding container.
8. The method according to claim 1, wherein a human-computer interaction module is provided on the trash throwing device, and the human-computer interaction module is used for supporting interaction between the user and the trash throwing device.
9. A garbage classification management device based on a block chain is characterized by comprising:
at least one processor; and the number of the first and second groups,
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores instructions executable by the at least one processor to enable the at least one processor to:
deploying a blockchain platform based on the blockchain framework;
taking a garbage throwing device as a node and deploying the garbage throwing device in the block chain platform; the garbage throwing device has the function of identifying the type of garbage, and a plurality of containers for placing different types of garbage are arranged in the garbage throwing device;
determining user information for executing a garbage throwing action;
receiving error throwing information which is sent by the garbage throwing device and indicates that the user does not throw the garbage into the corresponding container according to the garbage classification;
and writing the wrong delivery information into the block chain platform, and sending a prompt to the user through the garbage delivery container.
10. A non-transitory computer storage medium for blockchain based garbage classification management, the computer storage medium having stored thereon computer-executable instructions configured to:
deploying a blockchain platform based on the blockchain framework;
taking a garbage throwing device as a node and deploying the garbage throwing device in the block chain platform; the garbage throwing device has the function of identifying the type of garbage, and a plurality of containers for placing different types of garbage are arranged in the garbage throwing device;
determining user information for executing a garbage throwing action;
receiving error throwing information which is sent by the garbage throwing device and indicates that the user does not throw the garbage into the corresponding container according to the garbage classification;
and writing the wrong delivery information into the block chain platform, and sending a prompt to the user through the garbage delivery container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911206327.3A CN110991524A (en) | 2019-11-29 | 2019-11-29 | Garbage classification management method, device and medium based on block chain |
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| CN201911206327.3A CN110991524A (en) | 2019-11-29 | 2019-11-29 | Garbage classification management method, device and medium based on block chain |
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| CN110991524A true CN110991524A (en) | 2020-04-10 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112183783A (en) * | 2020-10-15 | 2021-01-05 | 张良虎 | Intelligent garbage classification method and system |
| CN112278640A (en) * | 2020-12-23 | 2021-01-29 | 北京知火科技有限公司 | Garbage management system based on block chain |
| CN112478517A (en) * | 2020-12-23 | 2021-03-12 | 北京知火科技有限公司 | Garbage classification storage device and garbage classification system based on block chain |
| CN113344757A (en) * | 2021-06-29 | 2021-09-03 | 重庆广播电视大学重庆工商职业学院 | Data traceability verification method and system based on Internet of things and block chain |
| CN115994754A (en) * | 2023-03-24 | 2023-04-21 | 浙江蓝景科技有限公司 | Ocean plastic garbage electronic bill management system based on block chain technology |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112183783A (en) * | 2020-10-15 | 2021-01-05 | 张良虎 | Intelligent garbage classification method and system |
| CN112183783B (en) * | 2020-10-15 | 2023-12-29 | 明喆集团股份有限公司 | Intelligent garbage classification method and system |
| CN112278640A (en) * | 2020-12-23 | 2021-01-29 | 北京知火科技有限公司 | Garbage management system based on block chain |
| CN112478517A (en) * | 2020-12-23 | 2021-03-12 | 北京知火科技有限公司 | Garbage classification storage device and garbage classification system based on block chain |
| CN112278640B (en) * | 2020-12-23 | 2021-07-30 | 福建工蜂物联科技有限公司 | Garbage management system based on block chain |
| CN113344757A (en) * | 2021-06-29 | 2021-09-03 | 重庆广播电视大学重庆工商职业学院 | Data traceability verification method and system based on Internet of things and block chain |
| CN115994754A (en) * | 2023-03-24 | 2023-04-21 | 浙江蓝景科技有限公司 | Ocean plastic garbage electronic bill management system based on block chain technology |
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