CN112968807A - Intelligent monitoring device for flow use based on Internet of things card - Google Patents
Intelligent monitoring device for flow use based on Internet of things card Download PDFInfo
- Publication number
- CN112968807A CN112968807A CN202110116265.8A CN202110116265A CN112968807A CN 112968807 A CN112968807 A CN 112968807A CN 202110116265 A CN202110116265 A CN 202110116265A CN 112968807 A CN112968807 A CN 112968807A
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- monitoring device
- internet
- network
- flow
- flow monitoring
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0876—Network utilisation, e.g. volume of load or congestion level
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
- G16Y40/00—IoT characterised by the purpose of the information processing
- G16Y40/10—Detection; Monitoring
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses an intelligent monitoring device for traffic usage based on an Internet of things card, which adopts the technical scheme that: the flow monitoring device is connected with the remote server through a network, the flow monitoring device comprises a shell, a touch screen, a network card interface and a peripheral interface, and a protective component is arranged on the front side of the network card interface, so that the flow monitoring device has the beneficial effects that: through setting up flow monitoring device, can be with flow monitoring device direct mount on thing networking device, through set up the network card interface in the dorsal part of casing, thing networking card can directly peg graft in the net joint mouth, thing networking device passes through the network connection that flow monitoring device and thing networking card provided, can carry out real-time supervision to the network card flow that thing networking device consumed to can store and the analysis flow consumption data transmission to remote server, provide effective reference for the network optimization of thing flow network equipment.
Description
Technical Field
The invention relates to the technical field of Internet of things communication, in particular to an intelligent monitoring device for traffic use based on an Internet of things card.
Background
The internet of things is an extended and expanded network on the basis of the internet, various information sensing devices are combined with the internet to form a huge network, and the interconnection and intercommunication of people, machines and objects at any time and any place are realized. The application field of the Internet of things relates to the aspects of the aspects, and the application of the Internet of things in the infrastructure fields of industry, agriculture, environment, traffic, logistics, security and the like effectively promotes the intelligent development of the aspects.
The Internet of things card is used for networking intelligent terminal equipment provided by an operator for an Internet of things service enterprise, is only sold in batches facing enterprise users, is widely applied to the fields of sharing single vehicles, mobile payment, intelligent cities, vending machines and the like, and is not facing individual users.
The flow consumption of the internet of things card is an important index for evaluating internet of things product equipment, the flow use condition of the internet of things card is monitored, the network connection state and the running state of the internet of things equipment can be known, so that the network connection of the internet of things equipment can be optimized, the flow monitoring of the internet of things card is generally realized by obtaining data from an operator, the flow consumption data of the operator can only reflect the flow consumption condition in a certain time period, the flow consumption of the internet of things equipment cannot be monitored in real time, and a device capable of monitoring the flow of the internet of things card in real time is also lacked in the prior art.
Therefore, it is necessary to invent an intelligent monitoring device based on the internet of things network traffic.
Disclosure of Invention
Therefore, the intelligent monitoring device for the flow use of the Internet of things card is provided, the flow monitoring device can be directly installed on the Internet of things equipment by arranging the flow monitoring device, the Internet of things card can be directly inserted into the network card interface by arranging the network card interface on the back side of the shell, the Internet of things card is connected with the network provided by the Internet of things card through the flow monitoring device, the network card flow consumed by the Internet of things equipment can be monitored in real time, the flow consumption data can be transmitted to the remote server for storage and analysis, effective reference is provided for network optimization of the logistics network equipment, and the problem that the device capable of monitoring the flow of the Internet of things card in real time is absent in the prior art is solved.
In order to achieve the above purpose, the invention provides the following technical scheme: an intelligent monitoring device based on internet of things network card flow usage comprises a flow monitoring device and a remote server, wherein the flow monitoring device is connected with the remote server through a network, the flow monitoring device comprises a shell, a touch screen, a network card interface and a peripheral interface, the touch screen is fixedly installed at the top end of the shell, the network card interface and the peripheral interface are both arranged on the back side of the shell, the number of the network card interfaces is multiple, and a protection component is arranged on the front side of the network card interface;
the protective assembly comprises two vertical blocks and a baffle, the number of the vertical blocks is two, the two vertical blocks are distributed in parallel, the baffle is arranged between the two vertical blocks, a chute is formed in the outer wall of one side, close to the baffle, of each vertical block, the two sides of the baffle are inserted into the inner side of the chute, the inner side of the chute is connected with the baffle in a sliding mode, one side of each vertical block is fixedly connected with the outer wall of the shell, and the baffle is arranged on the front side of the network card interface;
the casing both sides all are equipped with heat dissipation mechanism, heat dissipation mechanism includes the louvre, the louvre is seted up on the both sides outer wall of casing, louvre quantity is established to a plurality ofly, and is a plurality of the louvre is evenly distributed on the both sides outer wall of casing.
Preferably, the heat dissipation mechanism includes that the heat dissipation leads to the groove, the heat dissipation leads to the groove and sets up on the both sides outer wall of casing, the heat dissipation leads to groove quantity to establish to a plurality ofly, and is a plurality of the heat dissipation leads to the groove and is evenly distributed on the both sides outer wall of casing.
Preferably, the inner wall of the heat dissipation through groove is fixedly connected with a dust screen.
Preferably, a processor, a memory and a network connection module are installed inside the shell, the processor is electrically connected with the memory, the processor is electrically connected with the network connection module, and the flow monitoring device adopts an embedded operating system.
Preferably, the network connection module is electrically connected with the network card interface, the network connection module is electrically connected with the peripheral interface, the casing is also internally provided with the wireless network card, and the network connection module is electrically connected with the wireless network card.
Preferably, the casing both sides all are equipped with the pronunciation broadcast module, casing top one side fixed mounting has the pilot lamp, treater and pronunciation broadcast module electric connection, treater and pilot lamp electric connection, treater and touch-sensitive screen electric connection.
Preferably, the inside bluetooth connection module that still installs of flow monitoring device, treater and bluetooth connection module electric connection.
Preferably, casing internally mounted has the battery, the casing dorsal part is equipped with power source, the packing ring is installed to the casing dorsal part, the packing ring is around the front side of peripheral hardware interface and power source, the packing ring is made by rubber materials.
Preferably, casing one side fixedly connected with installation piece, the mounting hole has been seted up to installation piece inside, the equal fixedly connected with pad foot in casing bottom both sides.
Preferably, a pushing block is fixedly arranged on one side of the top end of the baffle, a damping pad is fixedly connected to the inner wall of the sliding groove, and the damping pad is made of a rubber material.
The invention has the beneficial effects that:
1. according to the invention, the flow monitoring device is arranged, the flow monitoring device can be directly installed on the Internet of things equipment, the network card interface is arranged on the back side of the shell, the Internet of things card can be directly inserted into the network card interface, the Internet of things equipment is connected with a network provided by the Internet of things card through the flow monitoring device, the network card flow consumed by the Internet of things equipment can be monitored in real time, and the flow consumption data can be transmitted to the remote server for storage and analysis, so that effective reference is provided for network optimization of the logistics network equipment;
2. according to the invention, the heat dissipation mechanisms are arranged on the two sides of the shell, the heat dissipation through grooves can improve the heat dissipation effect of the flow monitoring device, and the dust screen can prevent dust from entering the flow monitoring device, so that the flow monitoring device can normally and stably operate, and a guarantee is provided for long-time flow stable monitoring.
Drawings
FIG. 1 is a schematic view of the overall structure provided by the present invention;
FIG. 2 is a schematic view of the overall structure of the flow monitoring device according to the present invention;
FIG. 3 is a block diagram of a flow monitoring device system according to the present invention;
FIG. 4 is a schematic view of the overall structure of the shield assembly provided by the present invention;
FIG. 5 is a schematic view of the overall structure of the vertical block provided by the present invention;
FIG. 6 is a schematic view of the overall structure of the gasket provided by the present invention;
fig. 7 is a schematic view of the overall structure of a flow monitoring device according to embodiment 2 of the present invention;
fig. 8 is an enlarged view of the invention at a in fig. 7.
In the figure: the device comprises a flow monitoring device 1, a remote server 2, a shell 3, a touch screen 4, a network card interface 5, a peripheral interface 6, a protective component 7, a vertical block 8, a baffle 9, a sliding chute 10, a heat dissipation hole 11, a heat dissipation through groove 12, a dust screen 13, a voice playing module 14, an indicator lamp 15, a power interface 16, a gasket 17, a mounting piece 18, a pad foot 19, a push block 20 and a damping pad 21.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
the protection assembly 7 comprises vertical blocks 8 and baffle plates 9, the number of the vertical blocks 8 is two, the two vertical blocks 8 are distributed in parallel, the baffle plates 9 are arranged between the two vertical blocks 8, the outer wall of one side, close to the baffle plates 9, of each vertical block 8 is provided with a sliding groove 10, the two sides of each baffle plate 9 are inserted into the inner side of the corresponding sliding groove 10, the inner sides of the sliding grooves 10 are connected with the baffle plates 9 in a sliding mode, one sides of the vertical blocks 8 are fixedly connected with the outer wall of the shell 3, and the baffle plates 9 are arranged on the front side of the network card interface 5;
the two sides of the shell 3 are respectively provided with a heat dissipation mechanism, each heat dissipation mechanism comprises a heat dissipation hole 11, the heat dissipation holes 11 are formed in the outer walls of the two sides of the shell 3, the number of the heat dissipation holes 11 is multiple, and the heat dissipation holes 11 are uniformly distributed on the outer walls of the two sides of the shell 3;
further, a processor, a memory and a network connection module are installed inside the housing 3, the processor is electrically connected with the memory, the processor is electrically connected with the network connection module, and the flow monitoring device 1 adopts an embedded operating system;
further, the network connection module is electrically connected with the network card interface 5, the network connection module is electrically connected with the peripheral interface 6, the wireless network card is further installed inside the shell 3, the network connection module is electrically connected with the wireless network card, the internet of things card can be connected with a network through the network connection module, and the internet of things device can be connected with the network connection module through the peripheral interface 6 so as to be connected with a network provided by the internet of things card;
furthermore, voice playing modules 14 are arranged on two sides of the shell 3, an indicator light 15 is fixedly mounted on one side of the top of the shell 3, the processor is electrically connected with the voice playing modules 14, the processor is electrically connected with the indicator light 15, the processor is electrically connected with the touch screen 4, the indicator light 15 is used for indicating a network connection state, and the voice playing modules 14 are used for broadcasting the network connection state;
furthermore, a bluetooth connection module is further installed inside the flow monitoring device 1, the processor is electrically connected with the bluetooth connection module, and can be connected with the flow monitoring device 1 in a bluetooth manner by using equipment such as a mobile phone and a PC, so that flow consumption data of the equipment of the internet of things can be obtained;
furthermore, a storage battery is installed inside the housing 3, a power interface 16 is arranged on the back side of the housing 3, a gasket 17 is installed on the back side of the housing 3, the gasket 17 surrounds the front sides of the peripheral interface 6 and the power interface 16, the gasket 17 is made of rubber materials, and the gasket 17 prevents the peripheral interface 6 and the power interface 16 from being damaged by collision, so that a protection effect is provided;
furthermore, an installation sheet 18 is fixedly connected to one side of the shell 3, an installation hole is formed in the installation sheet 18, both sides of the bottom end of the shell 3 are fixedly connected with a pad 19, the installation sheets 18 are arranged on both sides of the shell 3, a screw is installed in the installation hole of the installation sheet 18, and the flow monitoring device 1 can be directly installed on the internet of things equipment;
further, the fixed ejector pad 20 that is equipped with in baffle 9 top one side, 10 inner wall fixedly connected with damping pad 21 of spout, damping pad 21 is made by rubber materials, and through set up damping pad 21 in spout 10, when baffle 9 slides from top to bottom in spout 10, damping pad 21 can restrict baffle 9 and slide at will to can avoid baffle 9 not hard up.
The using process of the invention is as follows: the flow monitoring device 1 is small in size and light in weight, the mounting pieces 18 are arranged on two sides of the shell 3 of the flow monitoring device 1, the screws are mounted in the mounting holes of the mounting pieces 18, the flow monitoring device 1 can be directly mounted on the Internet of things equipment, the Internet of things card can be directly inserted into the network card interface 5 by arranging the network card interface 5 on the back side of the shell 3, the Internet of things card can be inserted into the network card interface 5, the protection component 7 is arranged on the front side of the network card interface 5, when the Internet of things card is inserted, the pushing block 20 is pushed upwards, the pushing block 20 drives the baffle plate 9 to move upwards, the baffle plate 9 slides upwards along the chute 10, so that the network card interface 5 can be exposed, then the Internet of things card can be inserted into the network card interface 5, after the card is inserted, the pushing block 20 is pushed downwards to drive the baffle plate 9 to move downwards, the network card interface 5 is blocked by the baffle, dust, liquid and the like are prevented from entering the network card interface 5, the stability of the internet of things network card network connection is guaranteed, the damping cushion 21 is arranged in the chute 10, when the baffle 9 slides up and down in the chute 10, the damping cushion 21 can limit the baffle 9 to slide randomly, so that the baffle 9 can be prevented from being loosened, the flow monitoring device 1 is internally provided with a network connection module, the internet of things network card can be connected with a network through the network connection module, the internet of things equipment can be connected with the network connection module through the peripheral interface 6, so that the network provided by the internet of things network can be connected, the wireless connection can be carried out through the wireless network card and the network provided by the internet of things network card, the flow monitoring device 1 adopts an embedded operating system, flow monitoring software is installed, the real-time monitoring can be carried out on the network card flow consumed by the internet of, thereby can carry out the integrated aassessment to thing networking device flow consumption condition, provide effective reference for the network optimization of logistics network equipment, through set up heat dissipation mechanism in the both sides of casing 3, louvre 11 can improve flow monitoring device 1's radiating effect for flow monitoring device 1 can normal stable operation.
In embodiment 2, referring to fig. 7 to 8, the intelligent monitoring device for use of internet of things network card flow provided by the invention comprises a heat dissipation through groove 12, wherein the heat dissipation through groove 12 is formed in the outer walls of the two sides of the housing 3, the number of the heat dissipation through grooves 12 is multiple, and the plurality of heat dissipation through grooves 12 are uniformly distributed on the outer walls of the two sides of the housing 3.
Further, the inner wall fixedly connected with dust screen 13 that the groove 12 was led to in the heat dissipation leads to the groove 12 and can improve flow monitoring device 1's radiating effect, and dust screen 13 can avoid the dust to enter into flow monitoring device 1 for flow monitoring device 1 can normal stable operation.
The using process of the invention is as follows: the flow monitoring device 1 is small in size and light in weight, the mounting pieces 18 are arranged on two sides of the shell 3 of the flow monitoring device 1, the screws are mounted in the mounting holes of the mounting pieces 18, the flow monitoring device 1 can be directly mounted on the Internet of things equipment, the Internet of things card can be directly inserted into the network card interface 5 by arranging the network card interface 5 on the back side of the shell 3, the Internet of things card can be inserted into the network card interface 5, the protection component 7 is arranged on the front side of the network card interface 5, when the Internet of things card is inserted, the pushing block 20 is pushed upwards, the pushing block 20 drives the baffle plate 9 to move upwards, the baffle plate 9 slides upwards along the chute 10, so that the network card interface 5 can be exposed, then the Internet of things card can be inserted into the network card interface 5, after the card is inserted, the pushing block 20 is pushed downwards to drive the baffle plate 9 to move downwards, the network card interface 5 is blocked by the baffle, dust, liquid and the like are prevented from entering the network card interface 5, the stability of the internet of things network card network connection is guaranteed, the damping cushion 21 is arranged in the chute 10, when the baffle 9 slides up and down in the chute 10, the damping cushion 21 can limit the baffle 9 to slide randomly, so that the baffle 9 can be prevented from being loosened, the flow monitoring device 1 is internally provided with a network connection module, the internet of things network card can be connected with a network through the network connection module, the internet of things equipment can be connected with the network connection module through the peripheral interface 6, so that the network provided by the internet of things network can be connected, the wireless connection can be carried out through the wireless network card and the network provided by the internet of things network card, the flow monitoring device 1 adopts an embedded operating system, flow monitoring software is installed, the real-time monitoring can be carried out on the network card flow consumed by the internet of, thereby can carry out the integrated aassessment to thing networking device flow consumption condition, provide effective reference for the network optimization of logistics network equipment, through set up heat dissipation mechanism in the both sides of casing 3, the radiating leads to groove 12 can improve flow monitoring device 1's radiating effect, and dust screen 13 can avoid the dust to enter into in flow monitoring device 1 for flow monitoring device 1 can normal steady operation, provides the guarantee for long-time flow stability monitoring.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides an use intelligent monitoring device based on thing networking card flow, includes flow monitoring device (1) and remote server (2), its characterized in that: the flow monitoring device (1) is connected with the remote server (2) through a network, the flow monitoring device (1) comprises a shell (3), a touch screen (4), a network card interface (5) and a peripheral interface (6), the touch screen (4) is fixedly installed at the top end of the shell (3), the network card interface (5) and the peripheral interface (6) are both arranged on the back side of the shell (3), the number of the network card interfaces (5) is multiple, and a protection assembly (7) is arranged on the front side of the network card interface (5);
the protective assembly (7) comprises vertical blocks (8) and baffle plates (9), the number of the vertical blocks (8) is two, the two vertical blocks (8) are distributed in parallel, the baffle plates (9) are arranged between the two vertical blocks (8), a sliding groove (10) is formed in the outer wall of one side, close to the baffle plates (9), of each vertical block (8), the two sides of each baffle plate (9) are inserted into the inner side of the corresponding sliding groove (10), the inner side of each sliding groove (10) is connected with the corresponding baffle plate (9) in a sliding mode, one side of each vertical block (8) is fixedly connected with the outer wall of the corresponding shell (3), and the baffle plates (9) are arranged on the front sides of the network card interfaces (5);
the casing (3) both sides all are equipped with heat dissipation mechanism, heat dissipation mechanism includes louvre (11), louvre (11) are seted up on the both sides outer wall of casing (3), louvre (11) quantity is established to a plurality ofly, and is a plurality of louvre (11) are evenly distributed on the both sides outer wall of casing (3).
2. The intelligent monitoring device for traffic usage based on the internet of things card according to claim 1, wherein: the heat dissipation mechanism comprises a heat dissipation through groove (12), the heat dissipation through groove (12) is formed in the outer walls of the two sides of the shell (3), the number of the heat dissipation through grooves (12) is set to be multiple, and the heat dissipation through grooves (12) are evenly distributed on the outer walls of the two sides of the shell (3).
3. The intelligent monitoring device for traffic usage based on the internet of things card according to claim 2, wherein: the inner wall of the heat dissipation through groove (12) is fixedly connected with a dust screen (13).
4. The intelligent monitoring device for traffic usage based on the internet of things card according to claim 1, wherein: the flow monitoring device is characterized in that a processor, a memory and a network connection module are installed inside the shell (3), the processor is electrically connected with the memory, the processor is electrically connected with the network connection module, and the flow monitoring device (1) adopts an embedded operating system.
5. The intelligent monitoring device for traffic usage based on the internet of things card according to claim 4, wherein: the network connection module is electrically connected with the network card interface (5), the network connection module is electrically connected with the peripheral interface (6), the shell (3) is internally provided with the wireless network card, and the network connection module is electrically connected with the wireless network card.
6. The intelligent monitoring device for traffic usage based on the internet of things card according to claim 4, wherein: casing (3) both sides all are equipped with pronunciation broadcast module (14), casing (3) top one side fixed mounting has pilot lamp (15), treater and pronunciation broadcast module (14) electric connection, treater and pilot lamp (15) electric connection, treater and touch-sensitive screen (4) electric connection.
7. The intelligent monitoring device for traffic usage based on the internet of things card according to claim 4, wherein: the flow monitoring device is characterized in that a Bluetooth connecting module is further installed inside the flow monitoring device (1), and the processor is electrically connected with the Bluetooth connecting module.
8. The intelligent monitoring device for traffic usage based on the internet of things card according to claim 1, wherein: casing (3) internally mounted has the battery, casing (3) dorsal part is equipped with power source (16), packing ring (17) are installed to casing (3) dorsal part, packing ring (17) are around the front side at peripheral hardware interface (6) and power source (16), packing ring (17) are made by rubber materials.
9. The intelligent monitoring device for traffic usage based on the internet of things card according to claim 1, wherein: casing (3) one side fixedly connected with installation piece (18), the mounting hole has been seted up to installation piece (18) inside, the equal fixedly connected with pad foot (19) in casing (3) bottom both sides.
10. The intelligent monitoring device for traffic usage based on the internet of things card according to claim 1, wherein: baffle (9) top one side is fixed and is equipped with ejector pad (20), spout (10) inner wall fixedly connected with damping pad (21), damping pad (21) are made by rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110116265.8A CN112968807A (en) | 2021-01-28 | 2021-01-28 | Intelligent monitoring device for flow use based on Internet of things card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110116265.8A CN112968807A (en) | 2021-01-28 | 2021-01-28 | Intelligent monitoring device for flow use based on Internet of things card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112968807A true CN112968807A (en) | 2021-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110116265.8A Withdrawn CN112968807A (en) | 2021-01-28 | 2021-01-28 | Intelligent monitoring device for flow use based on Internet of things card |
Country Status (1)
| Country | Link |
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| CN (1) | CN112968807A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117478430A (en) * | 2023-12-27 | 2024-01-30 | 广东云百科技有限公司 | Security management method and system for Internet of things card |
-
2021
- 2021-01-28 CN CN202110116265.8A patent/CN112968807A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117478430A (en) * | 2023-12-27 | 2024-01-30 | 广东云百科技有限公司 | Security management method and system for Internet of things card |
| CN117478430B (en) * | 2023-12-27 | 2024-04-09 | 广东云百科技有限公司 | Security management method and system for Internet of things card |
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Application publication date: 20210615 |