CN113706760A - Local wireless communication system capable of being built quickly based on satellite communication and solar power supply - Google Patents
Local wireless communication system capable of being built quickly based on satellite communication and solar power supply Download PDFInfo
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- CN113706760A CN113706760A CN202111013056.7A CN202111013056A CN113706760A CN 113706760 A CN113706760 A CN 113706760A CN 202111013056 A CN202111013056 A CN 202111013056A CN 113706760 A CN113706760 A CN 113706760A
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- 238000004891 communication Methods 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 230000005389 magnetism Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/30—Individual registration on entry or exit not involving the use of a pass
- G07C9/38—Individual registration on entry or exit not involving the use of a pass with central registration
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with provisions for charging different types of batteries
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
- H04N7/186—Video door telephones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/06—Airborne or Satellite Networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Multimedia (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a local wireless communication system capable of being rapidly built based on satellite communication and solar power supply, which relates to the technical field of communication and access control systems and comprises a large-sized solar panel, an interchangeable battery array, a satellite receiving terminal-route two-in-one device, a management terminal, an access control terminal, a plurality of medium-sized solar panels, a plurality of small-sized chargeable and dischargeable batteries with two types of thicknesses, a plurality of medium-sized chargeable and dischargeable batteries, a plurality of terminals and a plurality of small-sized solar panels; the large-scale solar panel is connected with the replaceable battery array, and the management terminal, the entrance guard terminal and the terminal are connected with the satellite receiving terminal-route two-in-one equipment through the wireless communication module to realize internet access and wireless interconnection; the invention can quickly set up an internet wireless communication and access control system in a temporary scene inconvenient for construction, has small limitation of signals by terrain, no long-distance wiring, low disassembly and assembly cost, can be integrated into the internet, improves the network stability and has good safety protection capability in a specific space.
Description
Technical Field
The invention relates to the technical field of communication and access control systems, in particular to a local area wireless communication system capable of being quickly built based on satellite communication and solar power supply.
Background
The communication and access control system is widely applicable, the communication system can greatly improve the communication coordination efficiency of each member in an organization, and the access control system combined with wireless communication can identify the passing of people with authority while ensuring convenient access in banks, hotels, parking lots, database rooms, military facilities, confidential offices, intelligent special areas and the like in cities, and has good safety protection capability for refusing unauthorized people to enter.
The existing urban communication and access control system has the short plates in the aspects of installation, construction and equipment disassembly and reuse in the temporary scenes of inconvenient construction such as polar regions, mountainous regions, lakes, seas and the like: the traditional router, the switch, the entrance machine, the entrance guard machine, the management center and other equipment are networked, a communication line needs to be laid to each node, the construction amount is large, the cable maintenance workload is large, and the construction period is long; the wired signal is easily cut off; the common wireless communication signals based on the base station are severely limited by the terrain; after the system is built, if the system needs to be detached to another place for use, the problems of high difficulty, large workload and long detachment period exist. And the temporary scene is often harsh in working environment, and the working efficiency needs to be improved urgently.
The technical problem to be solved by the present invention is to provide a wireless communication access control system with strong temporary network deployment capability, convenient detachment, modularization of each device, wireless connection, and capability of integrating into the internet, aiming at the above defects of the prior art.
Disclosure of Invention
In order to solve the problems existing in the scheme, the invention provides a local area wireless communication system which can be quickly built based on satellite communication and solar power supply. The invention can quickly set up an internet wireless communication and access control system in a temporary scene inconvenient for construction, has small limitation of signals by terrain, no long-distance wiring, low disassembly and assembly cost, can be integrated into the internet, improves the network stability and has good safety protection capability in a specific space.
The purpose of the invention can be realized by the following technical scheme:
the local wireless communication system can be quickly built based on satellite communication and solar power supply and comprises a large-sized solar panel, an interchangeable battery array, a satellite receiving terminal-route two-in-one device, a management terminal, an entrance guard terminal, a plurality of medium-sized solar panels, a plurality of small-sized chargeable and dischargeable batteries with two types of thicknesses, a plurality of medium-sized chargeable and dischargeable batteries, a plurality of terminals and a plurality of small-sized solar panels;
the satellite receiving terminal-route two-in-one device is connected with the medium-sized solar panel and the medium-sized chargeable and dischargeable battery, wherein the satellite receiving terminal is used for receiving and transmitting satellite wireless network signals provided by a star link satellite network, and a router in the device is in wired connection with the satellite receiving terminal and is used for converting the star link satellite Internet signals into TCP/I P signals; the router is in wireless connection with the management terminal, the entrance guard terminal and the terminal machine to complete internet access connection of the management terminal, the entrance guard terminal and the terminal machine.
Furthermore, the router is provided with a wireless communication module in wireless connection with the management terminal, the access control terminal and the terminal, and the wireless communication module is a Bluetooth module, a W IF I module, a TD-LTE module, an FDD-LTE module, a GPS or a Beidou positioning module.
Furthermore, the management terminal and the entrance guard terminal are respectively connected with a middle-sized solar panel and a middle-sized rechargeable battery, and the middle-sized solar panel is 1-10 square decimeters in area and used for supplying power to the middle-sized rechargeable battery.
Furthermore, the terminal machine is provided with two small chargeable and dischargeable batteries with different thicknesses and is connected with the small solar panel, and the area of the small solar panel is 0.1-2 square decimeters and is used for supplying power to the small chargeable and dischargeable batteries; the fixed interfaces of the two small rechargeable batteries with different thicknesses on the terminal are the same, and the positions of the metal contacts are the same;
the capacity of the thin small rechargeable battery is 2-10Wh, and the capacity of the thick small rechargeable battery is 10-25 Wh; the output voltage of the two small rechargeable batteries with different thicknesses is 5 +/-1V and is used for supplying power to the terminal machine.
Furthermore, the management terminal is used for configuring or modifying the logical relationship between the access control terminal and the terminal and is connected with a keyboard, the screen of the management terminal is a 10.1-inch LCD capacitive screen, and the resolution is 1280 multiplied by 800 or more.
Furthermore, the management terminal is used for configuring the permission of each terminal machine and the entrance guard terminal, the entrance guard terminal adopts a door magnetic interlocking mode and is provided with a wireless communication module, the wireless communication module is used for realizing voice and video call with the terminal machine and the management terminal, and the approval process of the entrance guard is as follows:
the applicant initiates an entrance application in front of the entrance guard terminal; the management terminal or the terminal passes the approval and then releases the approval; and the door opening request and the approval information are sent and stored through the Internet.
Further, the large-scale solar panel is connected with the replaceable battery array and used for charging the batteries in the replaceable battery array; the replaceable battery array comprises two batteries: one is a replacement type for a medium-sized rechargeable battery, and the other is a replacement type for a thick-sized small-sized rechargeable battery.
Furthermore, two batteries in the replaceable battery array are fixed on the rechargeable battery socket in a direct-insertion mode, and the battery contacts are in contact with the telescopic elastic sheet type charging and discharging battery contacts and are used for charging the batteries in the replaceable battery array.
Furthermore, the capacity of the medium-sized rechargeable battery is 10-100Wh, the input voltage is 20 +/-1V, and the output voltage is 12 +/-1V, so that the medium-sized rechargeable battery is used for supplying power to a management terminal, an access control terminal and a satellite receiving terminal-route two-in-one device.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, a large-sized solar panel is connected with an interchangeable battery array, a satellite receiving terminal-route two-in-one device, a management terminal and an entrance guard terminal are respectively connected with a medium-sized solar panel and a medium-sized rechargeable battery, a terminal is respectively provided with a thick small-sized rechargeable battery and a thin small-sized rechargeable battery and is connected with a small-sized solar panel, and the management terminal, the entrance guard terminal and the terminal are connected with the satellite receiving terminal-route two-in-one device through a wireless communication module to realize internet access and wireless interconnection; the invention can quickly set up an internet wireless communication and access control system in a temporary scene inconvenient for construction, has small limitation of signals by terrain, no long-distance wiring, low disassembly and assembly cost, can be integrated into the internet, improves the network stability and has good safety protection capability in a specific space.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a local wireless communication system which can be rapidly built based on satellite communication and solar power supply according to the invention;
FIG. 2 is a schematic view of an approval process of the access control system of the present invention;
FIG. 3 is a front view of a large solar panel-replaceable cell array according to the present invention;
fig. 4 is a structural side view of a large solar panel-replaceable cell array according to the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
As shown in fig. 1-4, a local wireless communication system can be quickly built based on satellite communication and solar power supply, and includes a large-sized solar panel, an interchangeable battery array, a satellite receiving terminal-routing two-in-one device, a management terminal, an access control terminal, a plurality of medium-sized solar panels, a plurality of small-sized rechargeable batteries with two thicknesses, a plurality of medium-sized rechargeable batteries, a plurality of terminals, and a plurality of small-sized solar panels;
the application scene of the embodiment is a private scientific investigation project of a small island in a sea, an internet wireless communication system which is based on satellite communication and solar power supply and can be quickly built is built, a satellite receiving terminal-route two-in-one device is connected with a medium-sized solar panel and a medium-sized rechargeable battery, wherein the satellite receiving terminal can receive and transmit satellite wireless network signals provided by a star chain satellite network, a router in the device is in wired connection with the satellite receiving terminal, and the star chain satellite internet signals are converted into TCP/I P signals;
the satellite receiving terminal-route two-in-one equipment transmits a wireless communication signal by using a WIF I module, and both the access control terminal and the terminal can receive the signal by using a built-in WIF I module to complete the internet access connection of the access control terminal and the terminal;
the management terminal is connected with the middle-sized solar panel and the middle-sized rechargeable battery, the entrance guard terminal is connected with the middle-sized solar panel and the middle-sized rechargeable battery, the area of the middle-sized solar panel is 8 square decimeters, the middle-sized solar panel supplies power to the corresponding middle-sized rechargeable battery respectively, the battery capacity is 40Wh, and the output voltage is 12V;
the terminal machine is provided with a thick small rechargeable battery and a thin small rechargeable battery which are connected with the small solar panel, wherein the thin small rechargeable battery used by the terminal machine is only applied to the scene that the power provided by the small solar panel is far more than the power consumed by the terminal machine, and the battery in the interchangeable battery array is not charged;
the area of each small solar panel is 1 square decimeter, power is supplied to the corresponding thick small rechargeable battery, the capacity of each thick small rechargeable battery is 10Wh, and the output voltage is 5V;
the management terminal can configure or modify the logical relationship between the access control terminal and the terminal, the screen of the management terminal is a 10.1-inch LCD capacitive screen, the resolution is WXGA (1280 multiplied by 800), and a keyboard is connected; the terminal machines can realize voice and video conversation with the entrance guard terminal and the management terminal, and the number of the terminal machines is 4;
the system comprises a management terminal, an access control terminal, a voice video call terminal, an access control terminal, a voice video call terminal, an access control terminal, a voice video call terminal, an access control terminal, a voice video call terminal, a control terminal and a control terminal;
the entrance guard terminal adopts a door magnet interlocking mode, is provided with a wireless communication module and can realize voice and video conversation with a terminal with the permission of the entrance guard terminal;
as shown in fig. 2, the approval process of the access control system is as follows:
the applicant initiates an entrance application in front of the entrance guard terminal; the management terminal or the terminal passes the approval and then releases the approval; the door opening request and the approval information are sent and stored through the Internet;
3-4, a large solar panel is connected to the interchangeable cell array for charging the cells in the interchangeable cell array; the replaceable battery array comprises two batteries: one is a replacement type of the medium-sized rechargeable battery, and the other is a replacement type of the thick-sized small-sized rechargeable battery;
the two batteries are fixed on the rechargeable battery socket in a direct-insert mode, and the battery contacts are in contact with the telescopic elastic sheet type charging and discharging battery contacts and can charge the batteries in the replaceable battery array; wherein, the input voltage of the replacement type battery of the medium-sized rechargeable battery is 20 +/-1V; the input voltage of the replaceable battery of the thick small chargeable and dischargeable battery is 5 +/-1V.
The working principle of the invention is as follows:
the local wireless communication system can be quickly built based on satellite communication and solar power supply, when the system works, a large-sized solar panel is connected with an interchangeable battery array, a satellite receiving terminal-route two-in-one device is connected with a medium-sized solar panel and a medium-sized rechargeable battery, a management terminal is connected with the medium-sized solar panel and the medium-sized rechargeable battery, an access control terminal is connected with the medium-sized solar panel and the medium-sized rechargeable battery, a terminal is respectively provided with a thick small-sized rechargeable battery and a thin small-sized rechargeable battery and is connected with a small-sized solar panel, and the management terminal, the access control terminal and the terminal are connected with the satellite receiving terminal-route two-in-one device through a wireless communication module to realize internet access and wireless interconnection; the invention can quickly set up an internet wireless communication and access control system in a temporary scene inconvenient for construction, has small limitation of signals by terrain, no long-distance wiring, low disassembly and assembly cost, can be integrated into the internet, improves the network stability and has good safety protection capability in a specific space.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. The local wireless communication system can be quickly built based on satellite communication and solar power supply and is characterized by comprising a large-sized solar panel, an interchangeable battery array, a satellite receiving terminal-route two-in-one device, a management terminal, an entrance guard terminal, a plurality of medium-sized solar panels, a plurality of small-sized chargeable and dischargeable batteries with two types of thicknesses, a plurality of medium-sized chargeable and dischargeable batteries, a plurality of terminals and a plurality of small-sized solar panels;
the satellite receiving terminal-route two-in-one device is connected with the medium-sized solar panel and the medium-sized chargeable and dischargeable battery, wherein the satellite receiving terminal is used for receiving and transmitting satellite wireless network signals provided by a star chain satellite network, and a router in the device is in wired connection with the satellite receiving terminal and is used for converting the star chain satellite Internet signals into TCP/IP signals; the router is in wireless connection with the management terminal, the entrance guard terminal and the terminal machine to complete internet access connection of the management terminal, the entrance guard terminal and the terminal machine.
2. The local area wireless communication system capable of being rapidly built based on satellite communication and solar power supply according to claim 2, wherein the router is provided with a wireless communication module in wireless connection with the management terminal, the access control terminal and the terminal, and the wireless communication module is a Bluetooth module, a WIFI module, a TD-LTE module, an FDD-LTE module, a GPS module or a Beidou positioning module.
3. The local area wireless communication system capable of being rapidly built based on satellite communication and solar power supply according to claim 1, wherein the management terminal and the access control terminal are respectively connected with a medium-sized solar panel and a medium-sized rechargeable battery, and the medium-sized solar panel has an area of 1-10 square decimeters and is used for supplying power to the medium-sized rechargeable battery.
4. The local wireless communication system capable of being rapidly built based on satellite communication and solar power supply is characterized in that the terminal is provided with two small rechargeable batteries with different thicknesses and connected with a small solar panel, and the area of the small solar panel is 0.1-2 square decimeters and used for supplying power to the small rechargeable batteries; the fixed interfaces of the two small rechargeable batteries with different thicknesses on the terminal are the same, and the positions of the metal contacts are the same;
the capacity of the thin small rechargeable battery is 2-10Wh, and the capacity of the thick small rechargeable battery is 10-25 Wh; the output voltage of the two small rechargeable batteries with different thicknesses is 5 +/-1V and is used for supplying power to the terminal machine.
5. The local area wireless communication system capable of being rapidly built based on satellite communication and solar power supply according to claim 1, wherein the management terminal is used for configuring or modifying the logical relationship between the access control terminal and the terminal and is connected with a keyboard, the screen of the management terminal is a 10.1-inch LCD capacitive screen, and the resolution is 1280 x 800 or more.
6. The local area wireless communication system capable of being rapidly built based on satellite communication and solar power supply according to claim 5, wherein the management terminal is used for configuring the permission of each terminal and the entrance guard terminal, the entrance guard terminal adopts a door magnetism interlocking mode and is provided with a wireless communication module, the wireless communication module is used for realizing voice and video conversation with the terminal and the management terminal, and the approval process of entrance guard is as follows:
the applicant initiates an entrance application in front of the entrance guard terminal; the management terminal or the terminal passes the approval and then releases the approval; and the door opening request and the approval information are sent and stored through the Internet.
7. The satellite communication and solar power supply based local area wireless communication system capable of being rapidly built is characterized in that the large-scale solar panel is connected with the replaceable battery array and used for charging batteries in the replaceable battery array; the replaceable battery array comprises two batteries: one is a replacement type for a medium-sized rechargeable battery, and the other is a replacement type for a thick-sized small-sized rechargeable battery.
8. The local wireless communication system capable of being rapidly built based on satellite communication and solar power supply according to claim 7, wherein two batteries in the replaceable battery array are fixed on the rechargeable battery socket in a direct-insert mode, and the battery contacts are in contact with the telescopic elastic sheet type charging and discharging battery contacts and used for charging the batteries in the replaceable battery array.
9. The local area wireless communication system capable of being rapidly built based on satellite communication and solar power supply as claimed in claim 1, wherein the capacity of the medium-sized rechargeable battery is 10-100Wh, the input voltage is 20 ± 1V, and the output voltage is 12 ± 1V, and is used for supplying power to a management terminal, an access control terminal and a satellite receiving terminal-route two-in-one device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111013056.7A CN113706760A (en) | 2021-08-31 | 2021-08-31 | Local wireless communication system capable of being built quickly based on satellite communication and solar power supply |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111013056.7A CN113706760A (en) | 2021-08-31 | 2021-08-31 | Local wireless communication system capable of being built quickly based on satellite communication and solar power supply |
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| CN113706760A true CN113706760A (en) | 2021-11-26 |
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| CN101847279A (en) * | 2010-05-20 | 2010-09-29 | 上海洪剑智能科技有限公司 | Network human face recognition system with intelligent management system and recognition method thereof |
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| CN205942829U (en) * | 2016-07-08 | 2017-02-08 | 中瑞新源能源科技(天津)股份有限公司 | Energy -conserving access control system |
| CN112600612A (en) * | 2020-12-10 | 2021-04-02 | 浙江水木物联技术有限公司 | Remote command communication device and communication method based on satellite transmission |
| CN113140056A (en) * | 2020-12-28 | 2021-07-20 | 上海安威士科技股份有限公司 | Intelligent lock management system for wireless communication |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101847279A (en) * | 2010-05-20 | 2010-09-29 | 上海洪剑智能科技有限公司 | Network human face recognition system with intelligent management system and recognition method thereof |
| CN101987592A (en) * | 2010-08-30 | 2011-03-23 | 无锡滨达工业创意设计有限公司 | Emergency command communication vehicle |
| CN202838471U (en) * | 2011-12-23 | 2013-03-27 | 广州格罗博信息技术有限公司 | Access control system |
| CN103593891A (en) * | 2013-11-06 | 2014-02-19 | 周良文 | Intelligent access system with instant messaging function and method |
| CN205071325U (en) * | 2015-10-06 | 2016-03-02 | 安徽天枢信息科技有限公司 | Utilize big dipper satellite to go on from emergent communication device of network deployment |
| CN205942829U (en) * | 2016-07-08 | 2017-02-08 | 中瑞新源能源科技(天津)股份有限公司 | Energy -conserving access control system |
| CN112600612A (en) * | 2020-12-10 | 2021-04-02 | 浙江水木物联技术有限公司 | Remote command communication device and communication method based on satellite transmission |
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Application publication date: 20211126 |