CN110138623B - Intelligent early warning weak current system and method thereof - Google Patents
Intelligent early warning weak current system and method thereof Download PDFInfo
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- CN110138623B CN110138623B CN201910481855.3A CN201910481855A CN110138623B CN 110138623 B CN110138623 B CN 110138623B CN 201910481855 A CN201910481855 A CN 201910481855A CN 110138623 B CN110138623 B CN 110138623B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0631—Management of faults, events, alarms or notifications using root cause analysis; using analysis of correlation between notifications, alarms or events based on decision criteria, e.g. hierarchy, tree or time analysis
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0663—Performing the actions predefined by failover planning, e.g. switching to standby network elements
Abstract
The invention relates to an intelligent weak current early warning system and a method thereof.A storage battery pack is fixedly arranged in a shell, the storage battery pack is connected with an intelligent early warning device through a lead, the intelligent early warning device is connected with a loudspeaker and a warning lamp through leads, the top of the shell is provided with a loudspeaker mask and a warning lamp mask, one side of the loudspeaker mask and one side of the warning lamp mask are provided with a change-over switch, the bottom of the change-over switch is fixedly provided with a bottom conductor block, the bottom conductor block is connected with the intelligent early warning device, the other side of the shell is provided with a line output tube, and a main connection line is arranged in the line output tube; the network connection is provided uninterruptedly, the standby network can be adjusted manually after the early warning information is received under the condition that an operator is behind the network disconnection, the prompt after the network connection is interrupted is simpler and more convenient, a double-network mode can be provided, and uninterrupted networking operation is guaranteed.
Description
Technical Field
The invention relates to an intelligent early warning weak current system and a method thereof.
Background
Weak current generally refers to direct current circuit or audio and video line, network line and telephone line, and alternating current voltage is generally within 36V. The household appliances such as telephone, computer, signal input of television, audio equipment, etc. are all weak current electrical appliances. Strong and weak currents are generally easily distinguishable conceptually, and the main difference is the difference in application. Strong electricity is used as a power source. The weak current is used as a signal current. Voltage is not a way to distinguish between strong and weak currents. The 30 common weak current systems include: closed circuit television monitoring system, anti-theft alarm system, entrance guard system, electronic patrol system, parking lot management system, visual intercom system, home intelligent system and security system, background music system, LED display system, plasma splicing screen system, DLP large screen system, three meter reading system, building automatic control system, lightning protection and grounding system, paging and professional intercom system, weak current pipeline system, UPS uninterrupted power supply system, machine room system, comprehensive wiring system, computer local area network system, property management system, multifunctional conference room system, cable television system, satellite communication system, fire fighting system, telephone communication system, hotel management system, video on demand system, human resource management system and the like.
In the conventional technology, weak current devices are often used in the computer local area network system, and once the conventional network connection is completed, stable network connection can be provided for the computer. However, under some special working condition requirements, a computer needs to continuously provide a network, but at present, network connection is unstable, a phenomenon of network disconnection occurs, after the network is disconnected, the computer can receive network disconnection information after a certain time, a cache neutral gear occurs in network uploading and downloading, once a traditional network connection module is interrupted, the computer can not perform internet surfing operation, when an operator does not use the network connection or cannot keep the computer to perform network connection downloading operation, once the network connection is interrupted, the computer is difficult to find at the first time, and network operation can not be continuously performed, which causes certain disadvantages.
Therefore, the intelligent weak current early warning system and the intelligent weak current early warning method which are simple in structure, convenient to operate, high in working and running efficiency, stable and safe, obvious in reminding effect, capable of carrying out early warning reminding of network disconnection in a non-use or non-observation state, good in human-human interaction state and capable of providing a double-network connection switching mode, uniform in active and passive care, minimized in alternating current obstacle, simple in translation method and easy to operate are produced, and the intelligent weak current early warning system and the intelligent weak current early warning method have wide market prospects.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the intelligent early warning weak current system and the method thereof, which have the advantages of simple structure, convenient operation, high working and running efficiency, stability, safety, obvious reminding effect, capability of carrying out early warning and reminding of network disconnection in a non-use or non-observation state, good human-human interaction state of double-network connection switching mode, uniform active and passive care, minimized communication obstacle, simple translation method and easy operation, and are used for overcoming the defects in the prior art.
The technical scheme of the invention is realized as follows: the utility model provides an intelligent early warning weak current system, includes the casing, sets up first net twine access mouth and the second net twine access mouth in casing one side, casing internal fixation install storage battery, storage battery is connected with intelligent early warning device through the wire, intelligent early warning device is connected with speaker and warning light through the wire, top at the casing is provided with speaker face guard and warning light face guard, be provided with change over switch on one side of speaker face guard and warning light face guard, change over switch's bottom fixed mounting has bottom conductor block, bottom conductor block is connected with intelligent early warning device, opposite side at the casing is provided with the circuit output tube, be provided with the connection main line in the circuit output tube.
The intelligent early warning device comprises a controller electrically connected with a storage battery pack, wherein four terminals are arranged on the controller, a first terminal is electrically connected with a main connecting line, a second terminal is electrically connected with a loudspeaker, a third terminal is electrically connected with a warning lamp, a fourth terminal is electrically connected with an input connecting block, an input guide rod is fixedly inserted above the input connecting block, the top of the input guide rod is connected with a bottom conductor block of a change-over switch, a first input shaft and a second input shaft are fixedly arranged below the bottom conductor block of the change-over switch on one side of the input guide rod, a first input sheet and a second input sheet are respectively and fixedly arranged at the bottoms of the first input shaft and the second input shaft, a junction box is fixedly arranged at a position corresponding to the lower part of the change-over switch in the shell on one side of the controller, four terminals are arranged on the junction box, and the first terminal is electrically connected with a first network cable receiver, the second terminal is electrically connected with the second network cable receiver, the third terminal is electrically connected with the first receiving block, the fourth terminal is electrically connected with the second receiving block, the positions of the first network cable receiver and the first network cable access port correspond to each other, the positions of the second network cable receiver and the second network cable access port correspond to each other, the first receiving block corresponds to the first input sheet, and the second receiving block corresponds to the second input sheet.
The casing be cuboid cavity structure, first net twine access port and second net twine access port symmetry are seted up on the lateral wall of casing one end, storage battery fixed mounting is on casing inboard bottom top surface, correspond on the casing and be provided with the USB interface that charges that is connected with storage battery, the USB interface that charges is located the intermediate position of first net twine access port and second net twine access port below.
The loudspeaker face shield is fixedly clamped on the top surface of the shell, the warning lamp face shield is fixedly clamped on the top surface of the shell, the top of the loudspeaker face shield is of a planar cylindrical sleeve structure, and the top of the warning lamp face shield is of a cylindrical sleeve structure with an arc surface.
The input connecting block is a circular conductive block structure, the bottom of the input connecting block is fixedly welded at the top of the controller, the connecting mode between the bottom of the input guide rod and the top of the input connecting block is the same as the plugging mode of a network cable interface, the top of the input guide rod extends out of the shell and is connected with a bottom conductor block fixedly installed at the bottom of the change-over switch, a central limiting spring is sleeved on the input guide rod outside the shell, the bottom of the central limiting spring is positioned on the shell, the top of the central limiting spring is connected with the bottom of the change-over switch, the connecting mode of the first input plate and the first receiving block is the same as the plugging mode of the network cable interface, and the connecting mode of the second input plate and the second receiving block is the same as the plugging mode of the network cable interface.
The top of input guide arm be the ball column structure, set up the input guide arm mounting groove corresponding with input guide arm top ball column structure on the bottom conductor block of change over switch bottom fixed mounting, the top of input guide arm is installed in this input guide arm mounting groove, change over switch is the cuboid platelike structure that can do rotary motion around the input guide arm top, the top setting of input guide arm is put at the central point of change over switch bottom.
An intelligent early warning method for the intelligent early warning weak current system comprises the following steps: when the device is used, the selector switch is pressed at first, one side of the selector switch is pressed, the corresponding first input shaft or second input shaft is pressed, the corresponding first input sheet or second input sheet is pressed, then the corresponding first input sheet or second input sheet is correspondingly contacted with the first receiving block or second receiving block, when the first input sheet at the bottom of the first input shaft is contacted with the first receiving block, the first network cable receiver in the first network cable access port operates and transmits signals to the first receiving block, then the signals are transmitted to the first input sheet through the first receiving block, then the signals are transmitted to the first input shaft through the first input sheet, and are transmitted to the input guide rod through the bottom conductor block fixedly arranged at the bottom of the selector switch, and are transmitted to the input connecting block through the input connecting block and then are transmitted to the controller, and under the condition that the signals are normally connected, the controller directly transmits the signals to the connecting main line after receiving the signals, the computer network connection is provided by a connection main line, when a network signal is interrupted, a controller starts a loudspeaker and a warning lamp to give out warning sound and warning light to remind the network interruption, an operator reversely presses a change-over switch, a second input sheet at the bottom of a second input shaft is in contact with a second receiving block, a second network cable receiver in a second network cable access port operates and transmits the signal to the second receiving block, then the signal is transmitted to the second input sheet through the second receiving block, then the signal is transmitted to the second input shaft through the second input sheet, and the signal is transmitted to an input guide rod through a bottom conductor block fixedly installed at the bottom of the change-over switch, and then the signal is transmitted to an input connecting block through the input guide rod and then transmitted to the controller through the input connecting block, so that the network connection is provided, and the network disconnection is guaranteed.
The invention has the following positive effects: this product simple structure, and convenient for operation, overcome the defect that traditional network connection lacks corresponding early warning operation after the interruption, under some special operating mode demands, realized incessantly providing network connection, operating personnel can be under the condition of receiving early warning information back manual regulation standby network after the interruption, under the condition of operating personnel non-contact computer after the interruption, as long as can hear early warning sound or see early warning light, just can carry out standby network's switching, guarantee the incessant operation of computer download and network connection task, the suggestion after the messenger's network connection interruption becomes more simple and convenient, can provide the dual network mode simultaneously, guarantee incessant networking operation.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic top view of the structure of FIG. 1 according to the present invention.
FIG. 3 is a schematic diagram of the internal structure of FIG. 1 according to the present invention.
Fig. 4 is a schematic view of the internal structure of fig. 1 according to the present invention.
Detailed Description
As shown in fig. 1, 2, 3, and 4, an intelligent early warning weak current system includes a housing 1, a first network cable access port 2 and a second network cable access port 3 provided at one side of the housing 1, a storage battery 10 fixedly mounted in the housing 1, the storage battery 10 connected to an intelligent early warning device through a wire, the intelligent early warning device connected to a speaker 21 and a warning lamp 20 through a wire, a speaker cover 8 and a warning lamp cover 9 provided at the top of the housing 1, a switch 5 provided at one side of the speaker cover 8 and the warning lamp cover 9, a bottom conductor block fixedly mounted at the bottom of the switch 5, the bottom conductor block connected to the intelligent early warning device, a line output tube 19 provided at the other side of the housing 1, and a main connection line provided in the line output tube 19.
The intelligent early warning device comprises a controller 14 electrically connected with a storage battery pack 10, wherein four terminals are arranged on the controller 14, the first terminal is electrically connected with a main connecting line, the second terminal is electrically connected with a loudspeaker 21, the third terminal is electrically connected with a warning lamp, the fourth terminal is electrically connected with an input connecting block 22, an input guide rod 17 is fixedly inserted above the input connecting block 22, the top of the input guide rod 17 is connected with a bottom conductor block of a change-over switch 5, a first input shaft 6 and a second input shaft 7 are fixedly arranged below the bottom conductor block of the change-over switch 5 on one side of the input guide rod 17, a first input sheet 15 and a second input sheet 16 are respectively fixedly arranged at the bottoms of the first input shaft 6 and the second input shaft 7, a junction box 13 is fixedly arranged in a position, corresponding to the lower part of the change-over switch 5, in a shell 1 on one side of the controller 22, the junction box 13 is provided with four terminals, a first terminal is electrically connected with the first network cable receiver 11, a second terminal is electrically connected with the second network cable receiver 12, a third terminal is electrically connected with the first receiving block 23, a fourth terminal is electrically connected with the second receiving block 24, the first network cable receiver 11 corresponds to the first network cable access port 2, the second network cable receiver 12 corresponds to the second network cable access port 3, the first receiving block 23 corresponds to the first input sheet 15, and the second receiving block 24 corresponds to the second input sheet 16.
Casing 1 be cuboid cavity structure, first net twine inserts interface 2 and second net twine and inserts 3 symmetries and set up on the lateral wall of 1 one end of casing, storage battery 10 fixed mounting is on 1 inboard bottom top surface of casing, corresponds on casing 1 and is provided with the USB interface 4 that charges that is connected with storage battery 10, the USB interface 4 that charges is located the intermediate position of first net twine access interface 2 and second net twine access interface 3 below. The fixed joint of speaker face guard 8 at the top surface of casing 1, the fixed joint of warning light face guard 9 is at the top surface of casing 1, speaker face guard 8 is that the top is planar cylindrical sleeve structure, warning light face guard 9 is that the top is the cylindrical sleeve structure of cambered surface. The input connecting block 22 is a circular conductive block structure, the bottom of the input connecting block 22 is fixedly welded at the top of the controller 22, the connecting mode between the bottom of the input guide rod 17 and the top of the input connecting sheet 22 is the same as the plugging mode of a network cable interface, the top of the input guide rod 17 extends out of the shell 1 and is connected with a bottom conductor block fixedly installed at the bottom of the change-over switch 5, a central limiting spring 18 is sleeved on the input guide rod 17 positioned outside the shell 1, the bottom of the central limiting spring 18 is positioned on the shell 1, the top of the central limiting spring 18 is connected with the bottom of the change-over switch 5, the connecting mode of the first input sheet 15 and the first receiving block 23 is the same as the plugging mode of the network cable interface, and the connecting mode of the second input sheet 16 and the second receiving block 24 is the same as the plugging mode of the network cable interface. The top of input guide arm 17 be the ball column structure, set up the input guide arm mounting groove corresponding with input guide arm 17 top ball column structure on the bottom conductor block of change over switch 5 bottom fixed mounting, the top of input guide arm 17 is installed in this input guide arm mounting groove, change over switch 5 is the cuboid platelike structure that can do rotary motion around input guide arm 17 top, the central point that the top setting of input guide arm 17 was in change over switch 5 bottom puts.
An intelligent early warning method for the intelligent early warning weak current system comprises the following steps: when the switch is used, firstly the switch 5 is pressed, one side of the switch 5 is pressed, the corresponding first input shaft 6 or second input shaft 7 is pressed, the corresponding first input sheet 15 or second input sheet 16 is pressed, then the corresponding first input sheet or second input sheet is correspondingly contacted with the first receiving block 23 or second receiving block 24, when the first input sheet 15 at the bottom of the first input shaft 6 is contacted with the first receiving block 23, the first network wire receiver 11 in the first network wire access port 2 operates and transmits signals to the first receiving block 23, then the signals are transmitted to the first input sheet 15 through the first receiving block 23, then the signals are transmitted to the first input shaft 6 through the first input sheet 15, the signals are transmitted to the input guide rod 17 through the bottom conductor block fixedly arranged at the bottom of the switch 5, the signals are transmitted to the input connecting block 22 through the input guide rod 17, then the signals are transmitted to the controller 14 through the input connecting block 22, and under the condition that the signals are normally connected, after the controller 14 receives the signal, the signal is directly transmitted to the main connecting line, computer network connection is provided by the main connecting line, when the network signal is interrupted, the controller 14 starts the loudspeaker 21 and the warning lamp 20 to give out warning sound and warning light to remind the network interruption, the operator reversely presses the change-over switch 5, the second input sheet 16 at the bottom of the second input shaft 7 is contacted with the second receiving block 24, the second network wire receiver 12 in the second network wire access port 3 operates and transmits the signal to the second receiving block 24, then the signal is transmitted to the second input sheet 16 through the second receiving block 24, then the signal is transmitted to the second input shaft 7 through the second input sheet 16, and is transmitted to the input guide rod 17 through the bottom conductor block fixedly arranged at the bottom of the change-over switch 5, the signal is transmitted to the input connecting block 22 through the input guide rod 17, then the signal is transmitted to the controller 14 through the input connecting block 22 to provide network connection, and the continuous network is ensured.
This product simple structure, and convenient for operation, overcome the defect that traditional network connection lacks corresponding early warning operation after the interruption, under some special operating mode demands, realized incessantly providing network connection, operating personnel can be under the condition of receiving early warning information back manual regulation standby network after the interruption, under the condition of operating personnel non-contact computer after the interruption, as long as can hear early warning sound or see early warning light, just can carry out standby network's switching, guarantee the incessant operation of computer download and network connection task, the suggestion after the messenger's network connection interruption becomes more simple and convenient, can provide the dual network mode simultaneously, guarantee incessant networking operation. The operation method is easy to realize and has good social and economic benefits. Meanwhile, the controller can be set to be in an automatic switching mode, so that the mode that one network is automatically switched to the other standby network after being disconnected is realized, and full-automatic early warning and switching operation is realized.
Claims (6)
1. The utility model provides a weak electric system of intelligent early warning, includes casing (1), sets up first net twine access mouth (2) and second net twine access mouth (3) in casing (1) one side, its characterized in that: the intelligent early warning device is characterized in that a storage battery pack (10) is fixedly installed in the shell (1), the storage battery pack (10) is connected with the intelligent early warning device through a lead, the intelligent early warning device is connected with a loudspeaker (21) and a warning lamp (20) through a lead, a loudspeaker mask (8) and a warning lamp mask (9) are arranged at the top of the shell (1), a change-over switch (5) is arranged on one side of the loudspeaker mask (8) and one side of the warning lamp mask (9), a bottom conductor block is fixedly installed at the bottom of the change-over switch (5), the bottom conductor block is connected with the intelligent early warning device, a line output tube (19) is arranged on the other side of the shell (1), and a main connecting line is arranged in the line output tube (19); the intelligent early warning device comprises a controller (14) electrically connected with a storage battery pack (10), wherein four terminals are arranged on the controller (14), the first terminal is electrically connected with a main connecting line, the second terminal is electrically connected with a loudspeaker (21), the third terminal is electrically connected with a warning lamp, the fourth terminal is electrically connected with an input connecting block (22), an input guide rod (17) is fixedly inserted above the input connecting block (22), the top of the input guide rod (17) is connected with a bottom conductor block of a change-over switch (5), a first input shaft (6) and a second input shaft (7) are fixedly arranged below the bottom conductor block of the change-over switch (5) on one side of the input guide rod (17), a first input sheet (15) and a second input sheet (16) are fixedly arranged at the bottoms of the first input shaft (6) and the second input shaft (7) respectively, a junction box (13) is fixedly installed at a position, corresponding to the lower portion of a change-over switch (5), in a shell (1) on one side of a controller (14), a junction box (13) is fixedly installed, four terminals are arranged on the junction box (13), a first terminal is electrically connected with a first network cable receiver (11), a second terminal is electrically connected with a second network cable receiver (12), a third terminal is electrically connected with a first receiving block (23), a fourth terminal is electrically connected with a second receiving block (24), the first network cable receiver (11) corresponds to the first network cable access port (2), the second network cable receiver (12) corresponds to the second network cable access port (3), the first receiving block (23) corresponds to a first input sheet (15), and the second receiving block (24) corresponds to a second input sheet (16).
2. The intelligent early warning weak current system of claim 1, wherein: casing (1) be cuboid cavity structure, first net twine inserts mouth (2) and second net twine and inserts mouth (3) symmetry and set up on the lateral wall of casing (1) one end, storage battery (10) fixed mounting is on casing (1) inboard bottom top surface, correspond on casing (1) and be provided with the USB interface (4) that charges that are connected with storage battery (10), USB charges interface (4) and is located the intermediate position of first net twine access mouth (2) and second net twine access mouth (3) below.
3. The intelligent early warning weak current system of claim 1, wherein: speaker face guard (8) fixed joint at the top surface of casing (1), warning light face guard (9) fixed joint is at the top surface of casing (1), speaker face guard (8) are that the top is planar cylindrical sleeve structure, warning light face guard (9) are that the top is the cylindrical sleeve structure of cambered surface.
4. The intelligent early warning weak current system of claim 1, wherein: the input connecting block (22) is a circular conductive block structure, the bottom of the input connecting block (22) is fixedly welded at the top of the controller (14), the connecting mode between the bottom of the input guide rod (17) and the top of the input connecting block (22) is the same as the plugging mode of a network cable interface, the top of the input guide rod (17) extends out of the shell (1) and is connected with a bottom conductor block fixedly installed at the bottom of the change-over switch (5), the input guide rod (17) positioned outside the shell (1) is sleeved with a central limiting spring (18), the bottom of the central limiting spring (18) is positioned on the shell (1), the top of the central limiting spring (18) is connected with the bottom of the change-over switch (5), the connection mode of the first input sheet (15) and the first receiving block (23) is the same as the plugging mode of a network cable interface, and the connection mode of the second input sheet (16) and the second receiving block (24) is the same as the plugging mode of the network cable interface.
5. The intelligent early warning weak current system of claim 1 or 4, wherein: the top of input guide arm (17) be ball column structure, set up the input guide arm mounting groove corresponding with input guide arm (17) top ball column structure on the bottom conductor block of change over switch (5) bottom fixed mounting, the top of input guide arm (17) is installed in this input guide arm mounting groove, change over switch (5) are the cuboid platelike structure that can do rotary motion around input guide arm (17) top, the top setting of input guide arm (17) is in the central point of change over switch (5) bottom and puts.
6. An intelligent early warning method of an intelligent early warning weak current system according to claim 1, wherein the intelligent early warning method comprises the following steps: when the device is used, firstly the switch (5) is pressed, one side of the switch (5) is pressed, the corresponding first input shaft (6) or second input shaft (7) is pressed, the corresponding first input sheet (15) or second input sheet (16) is pressed, then the corresponding first input sheet or second input sheet is correspondingly contacted with the first receiving block (23) or second receiving block (24), when the first input sheet (15) at the bottom of the first input shaft (6) is contacted with the first receiving block (23), the first network cable receiver (11) in the first network cable access port (2) operates and transmits signals to the first receiving block (23), then the signals are transmitted to the first input sheet (15) through the first receiving block (23), then the signals are transmitted to the first input shaft (6) through the first input sheet (15), and the signals are transmitted to the input guide rod (17) through the bottom guide fixedly arranged at the bottom of the switch (5), the signal is transmitted to an input connecting block (22) through an input guide rod (17) and then transmitted to a controller (14) through the input connecting block (22), under the condition that the signal connection is normal, the controller (14) directly transmits the signal to a main connecting line after receiving the signal, the main connecting line provides computer network connection, when the network signal is interrupted, the controller (14) starts a loudspeaker (21) and a warning lamp (20) to emit warning sound and warning light to remind the network interruption, an operator reversely presses a change-over switch (5), a second input sheet (16) at the bottom of a second input shaft (7) is contacted with a second receiving block (24), a second network cable receiver (12) in a second network cable access port (3) operates and transmits the signal to the second receiving block (24), then the signal is transmitted to the second input sheet (16) through the second receiving block (24), and then the signal is transmitted to the second input shaft (7) through the second input sheet (16), and the bottom conductor block fixedly arranged at the bottom of the change-over switch (5) is conveyed to the input guide rod (17), conveyed to the input connecting block (22) through the input guide rod (17), and conveyed to the controller (14) through the input connecting block (22), so that network connection is provided, and continuous network connection is ensured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910481855.3A CN110138623B (en) | 2019-06-04 | 2019-06-04 | Intelligent early warning weak current system and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910481855.3A CN110138623B (en) | 2019-06-04 | 2019-06-04 | Intelligent early warning weak current system and method thereof |
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| CN110138623A CN110138623A (en) | 2019-08-16 |
| CN110138623B true CN110138623B (en) | 2021-12-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2657295Y (en) * | 2003-11-17 | 2004-11-17 | 赵怀宇 | 100M high speed network interface manual distributor |
| EP2182674A1 (en) * | 2008-10-29 | 2010-05-05 | Thomson Licensing SA | Method for updating the status of network devices and device implementing the method |
| CN202841190U (en) * | 2012-08-13 | 2013-03-27 | 中国地震局地壳应力研究所 | Network safety physical isolating apparatus |
| CN203119933U (en) * | 2013-03-20 | 2013-08-07 | 口永红 | Router |
| CN203324420U (en) * | 2013-05-31 | 2013-12-04 | 江苏海事职业技术学院 | Line tester |
| CN207896986U (en) * | 2018-02-08 | 2018-09-21 | 保定天泰创智电子科技有限公司 | A kind of Portable wireless router |
| CN108737188B (en) * | 2018-05-24 | 2021-08-31 | 郑州云海信息技术有限公司 | Network card fault switching system |
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