CN202870486U - Road side unit with two unit standbys, and indoor unit thereof - Google Patents
Road side unit with two unit standbys, and indoor unit thereof Download PDFInfo
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- CN202870486U CN202870486U CN 201220365081 CN201220365081U CN202870486U CN 202870486 U CN202870486 U CN 202870486U CN 201220365081 CN201220365081 CN 201220365081 CN 201220365081 U CN201220365081 U CN 201220365081U CN 202870486 U CN202870486 U CN 202870486U
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Abstract
The utility model relates to the field of an intelligent transport system (ITS), and more specifically relates to a road side unit (RSU) with two unit standbys, and an indoor unit thereof. A single board of the indoor unit of the RSU is effectively backed up, thereby guaranteeing normal work of the indoor unit of the RSU and improving stability of the indoor unit. Moreover, through backup of the single board, maintenance for a fault single board is avoided when vehicles are running during rush hours, thereby improving usage efficiency of the RSU and the indoor unit of the RSU, and minimizing difficulties in maintenance.
Description
Technical field
The utility model relates to intelligent transportation system (Intelligent Transport System, ITS) field, is specifically related to a kind of roadside unit (Road Side Unit, RSU) and indoor unit thereof that possesses dual-host backup.
Background technology
Dedicated Short Range Communications, (Dedicated Short Range Communication in the ITS field, DSRC) in, RSU is divided into outdoor unit and indoor unit two parts, wherein, outdoor unit is mainly used in being responsible for and board units (On Board Unit, OBU) carry out radio communication, to obtain target information; And indoor unit is mainly used in being responsible for and administrative center communicates, swap data, also is used for simultaneously outdoor unit and OBU are monitored and controlled.
And find in the practice, in a single day the indoor unit of RSU breaks down, for example at electronic charging (Electronic Toll Collection, ETC) in the application, if the indoor unit at vehicle operating peak period RSU breaks down, will cause the lane in which the drivers should pay fees to be closed, cause vehicle seriously to stop up, have a strong impact on vehicle pass-through efficient.
The utility model content
Technical problem to be solved in the utility model provides a kind of roadside unit (RSU) and indoor unit thereof that possesses dual-host backup, and this RSU and indoor unit thereof have the advantages such as stability is high, maintenance difficulties is low.
The utility model provide a kind of possess dual-host backup the indoor unit of roadside unit (RSU), comprising:
The first veneer, the second veneer, switch module and serial port module;
Described the first veneer be connected veneer and be connected with the outdoor unit of described roadside unit, described switch module and described serial port module respectively;
Wherein, described the first veneer and the second veneer are used for mutually backup.
As a kind of possible embodiment, the photoelectric commutator of described the first veneer is used for being connected by first port of optical fiber with fiber coupler the first side; The photoelectric commutator of described the second veneer is used for being connected by second port of optical fiber with described fiber coupler the first side; The port of described fiber coupler the second side is used for being connected by the photoelectric commutator of optical fiber with the outdoor unit of described roadside unit;
The first serial of described the first veneer is connected with the first port of the first side of described serial port module; The first serial of described the second veneer is connected with the second port of the first side of described serial port module;
The second serial of described the first veneer is connected with the second serial of described the second veneer, the first network interface of described the first veneer connects described switch module, the first network interface of described the second veneer is used for connecting described switch module, and the second network interface of described the first veneer is connected with the second network interface of described the second veneer.
As a kind of possible embodiment, the heartbeat message that the heartbeat message that described the second veneer specifically periodically sends for detection of the second serial of described the first veneer and/or the second network interface that detects described the first veneer periodically send, if continuously several times do not detect the heartbeat message that the second network interface of the second serial of described the first veneer and/or described the first veneer periodically sends, perhaps, if from the heartbeat message that the second network interface of the second serial of described the first veneer of detecting and/or described the first veneer periodically sends, confirm described the first single board default, switch to primary veneer and carry out work.
As a kind of possible embodiment, this indoor unit also comprises the power supply backup module, and described power supply backup module comprises an AC-DC power module and the 2nd AC-DC power module at least;
The alternating current input port of the alternating current input port of a described AC-DC power module and described the 2nd AC-DC power module is respectively applied to the input AC electricity;
The direct current delivery outlet of a described AC-DC power module connects respectively the direct current input port of described the first veneer and the direct current input port of described the second veneer; The direct current delivery outlet of described the 2nd AC-DC power module connects respectively the direct current input port of described the first veneer and the direct current input port of described the second veneer.
As a kind of possible embodiment, described power supply backup module also comprises lightning arrester, and the alternating current delivery outlet of described lightning arrester connects respectively the alternating current input port of a described AC-DC power module and the alternating current input port of described the 2nd AC-DC power module; Wherein, described lightning arrester is used for the alternating current of outside input is exported to respectively a described AC-DC power module and the 2nd AC-DC power module; A described AC-DC power module and the 2nd AC-DC power module are respectively applied to receive the alternating current of described lightning arrester output, and output DC is given described the first veneer and the second veneer respectively, to form the power supply backup to described the first veneer and the second veneer.
As a kind of possible embodiment, when the voltage difference of a described AC-DC power module and described the 2nd AC-DC power module output during less than threshold voltage, the load current of described the first veneer and described the second veneer is divided equally by a described AC-DC power module and described the 2nd AC-DC power module to be provided;
When the voltage difference of a described AC-DC power module and described the 2nd AC-DC power module output during greater than described threshold voltage, the load current of described the first veneer and described the second veneer is provided by the high power module of output voltage in a described AC-DC power module and the 2nd AC-DC power module.
As a kind of possible embodiment, when described the first normal working of single board, described the first veneer also is used for periodically sending heartbeat message to described the second veneer by the second serial of described the first veneer and/or the second network interface of described the first veneer, and the heartbeat message of not receiving described the second veneer at continuous several times, when perhaps confirming the second single board default from the heartbeat message of described the second veneer of receiving, the fault information reporting that described the first veneer will described the second veneer is to described switch.
As a kind of possible embodiment, when described the first normal working of single board, described the first veneer also is used for periodically sending heartbeat message to described the second veneer by the second serial of described the first veneer and/or the second network interface of described the first veneer, if the continuous several times of described the first veneer do not receive the heartbeat message of described the second veneer from the second network interface, but receive the heartbeat message of described the second veneer from second serial, then described the first veneer is given described switch with the network connection fault information reporting between described the first veneer and described the second veneer.
As a kind of possible embodiment, when described the first normal working of single board, described the first veneer also is used for periodically sending heartbeat message to described the second veneer by the second serial of described the first veneer and/or the second network interface of described the first veneer, if the continuous several times of described the first veneer do not receive the heartbeat message of described the second veneer from second serial, but receive the heartbeat message of described the second veneer from the second network interface, then described the first veneer connects fault information reporting to described switch with the serial ports between described the first veneer and described the second veneer.
As a kind of possible embodiment, described optical fiber is the single mode single-core fiber.
The utility model provides a kind of roadside unit that is applied to Dedicated Short Range Communications,, comprises outdoor unit, fiber coupler and described indoor unit, wherein:
The photoelectric commutator of the first veneer of described indoor unit is connected by first port of optical fiber with described fiber coupler the first side; The photoelectric commutator of the second veneer of described indoor unit is connected by second port of optical fiber with described fiber coupler the first side;
The port of described fiber coupler the second side is connected with the photoelectric commutator of described outdoor unit by optical fiber.
In the utility model, the indoor unit of RSU has carried out effective backup to its veneer, so that the second veneer is when detecting the first single board default, the second veneer can switch to immediately the first veneer and carry out work, guaranteeing the normal operation of RSU and indoor unit thereof, thereby can improve the stability of indoor unit.In addition, owing to the existence of the second veneer has been avoided need to safeguarding failing single board in the vehicle operating peak period, thereby not only can improve the service efficiency of RSU and indoor unit thereof, also reduce maintenance difficulties.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the utility model, the below will do to introduce simply to the accompanying drawing of required use among the embodiment, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural drawing of the indoor unit of Fig. 1 is that the utility model provides a kind of RSU that possesses dual-host backup;
Fig. 2 is the structural drawing of the power supply backup module in the indoor unit shown in Figure 1;
Fig. 3 is a kind of structural drawing that possesses the RSU of dual-host backup that the utility model provides.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model provides a kind of roadside unit (RSU) and indoor unit thereof that possesses dual-host backup, and this RSU and indoor unit thereof have the advantages such as stability is high, maintenance difficulties is low.Below describe by specific embodiment.
See also Fig. 1, the structural drawing of the indoor unit of Fig. 1 is that the utility model provides a kind of RSU that possesses dual-host backup.As shown in Figure 1, the indoor unit of this RSU comprises the first veneer 10, the second veneer 20, switch module 30 and serial port module 40, wherein:
The first veneer 10 be connected veneer 20 and be connected with outdoor unit, switch module 30 and the serial port module 40 of roadside unit respectively;
Wherein, the first veneer 10 and the second veneer 20 are used for mutually backup.
As a kind of possible embodiment, the photoelectric commutator of the first veneer 10 11 is used for by optical fiber and fiber coupler 50(outside) the first port of the first side is connected; The photoelectric commutator 21 of the second veneer 20 is used for being connected by second port of optical fiber with fiber coupler 50 first sides; The port of fiber coupler 50 second sides is used for being connected by the photoelectric commutator of optical fiber with the outdoor unit of this RSU;
The first serial 15 of the first veneer 10 is connected with the first port of the first side of serial port module 40; The first serial 25 of the second veneer 20 is connected with the second port of the first side of serial port module 40; Wherein, a port of the second side of serial port module 40 can connect upper layer device;
The second serial 12 of the first veneer 10 is connected with the second serial 22 of the second veneer 20, the first network interface 13 of the first veneer 10 connects switch module 30, the second network interface 14 that the first network interface 23 of the second veneer 20 is used for connection switch module 30, the first veneers 10 is connected with the second network interface 24 of the second veneer 20.
As a kind of possible embodiment, the second veneer 20 is for detection of the heartbeat message of the second serial 12 periodicity transmissions of the first veneer 10 and the heartbeat message that detects the second network interface 14 periodicity transmissions of the first veneer 10, if continuously several times do not detect the heartbeat message that the second network interface 14 of the second serial 12 of the first veneer 10 and/or the first veneer 10 periodically sends, perhaps, if confirm the first veneer 10 faults from the heartbeat message that the second network interface 14 of the second serial 12 of the first veneer 10 of detecting and/or the first veneer 10 periodically sends, then the second veneer 20 switches to primary veneer and carries out work.
In the utility model, behind the first veneer 10 and the second veneer 20 electrifying startups, carry out respectively self check, after self check is finished, the first veneer 10 and the second veneer 20 will carry out the affirmation of handshaking information, then confirm active and standby dividing.
The utility model does not have clear and definite restriction to the first veneer 10 in the indoor unit and the second veneer 20, in other words, which veneer the utility model does not limit in the indoor unit as the first veneer, which veneer is as the second veneer, when as long as a veneer in the indoor unit carries out work as primary veneer, this veneer just can be regarded as the first veneer, and another idle veneer just can be regarded as the second veneer.
See also Fig. 2, Fig. 2 is the structural drawing of the power supply backup module 200 in the indoor unit shown in Figure 1.As shown in Figure 2, this power supply backup module comprises an AC-DC power module 201 and the 2nd AC-DC power module 202;
Wherein, the alternating current input port of the alternating current input port of an AC-DC power module 201 and the 2nd AC-DC power module 202 is respectively applied to the input AC electricity;
The direct current delivery outlet of the one AC-DC power module 201 connects respectively the direct current input port of the second veneer 20 of the indoor unit of the direct current input port of the first veneer 10 of indoor unit of RSU and RSU; The direct current delivery outlet of the 2nd AC-DC power module 202 connects respectively the direct current input port of the second veneer 20 of the indoor unit of the direct current input port of the first veneer 10 of indoor unit of RSU and RSU.
As shown in Figure 2, this power supply backup module also comprises lightning arrester 203, and the alternating current delivery outlet of lightning arrester 203 connects respectively the alternating current input port of an AC-DC power module 201 and the alternating current input port of the 2nd AC-DC power module 202; Wherein, lightning arrester 203 is used for the alternating current of outside input is exported to respectively an AC-DC power module 201 and the 2nd AC-DC power module 202; The one AC-DC power module 201 and the 2nd AC-DC power module 202 are respectively applied to receive the alternating current of lightning arrester 203 outputs, and respectively output DC to the second veneer 20 of the indoor unit of the first veneer 10 of the indoor unit of RSU and RSU, to form the power supply backup to the second veneer 20 of the indoor unit of the first veneer 10 of the indoor unit of RSU and RSU.
Wherein, the alternating current input port of the alternating current input port of an AC-DC power module 201 and the 2nd AC-DC power module 202 is respectively applied to the input AC electricity;
The direct current delivery outlet of the one AC-DC power module 201 connects respectively the direct current input port of the second veneer 20 of the indoor unit of the direct current input port of the first veneer 10 of indoor unit of RSU and RSU; The direct current delivery outlet of the 2nd AC-DC power module 202 connects respectively the direct current input port of the second veneer 20 of the indoor unit of the direct current input port of the first veneer 10 of indoor unit of RSU and RSU.
In the utility model, the one AC-DC power module 201 and the 2nd AC-DC power module 202 can be two power modules that model specification is identical, the one AC-DC power module 201 and the 2nd AC-DC power module 202 provide power supply for simultaneously the second veneer 20 of the indoor unit of the first veneer 10 of indoor unit of RSU and RSU, wherein, when a power module breaks down, another power supply energy seamless switching guarantees the normal operation of indoor unit.
As a kind of possible embodiment, when the voltage difference of an AC-DC power module 201 and the output of the 2nd AC-DC power module 202 during less than threshold voltage (such as 100mV), the load current of the second veneer 20 of the first veneer 10 of the indoor unit of RSU and the indoor unit of RSU is divided equally by an AC-DC power module 201 and the 2nd AC-DC power module 202 to be provided.
As a kind of possible embodiment, when the voltage difference of an AC-DC power module 201 and the output of the 2nd AC-DC power module 202 during greater than threshold voltage (such as 100mV), the load current of the second veneer 20 of the first veneer 10 of the indoor unit of RSU and the indoor unit of RSU presses high power module to provide by transmission of electricity in an AC-DC power module 201 and the 2nd AC-DC power module 202.
As a kind of possible embodiment, when the first veneer 10 normal operation of the indoor unit of RSU, the first veneer 10 of the indoor unit of RSU also is used for periodically sending heartbeat message to the second veneer 20 of the indoor unit of RSU by the second network interface 14 of the first veneer 10 of the indoor unit of the second serial 12 of the first veneer 10 of the indoor unit of RSU and RSU, and do not receive the heartbeat message of the second veneer 20 of the indoor unit of RSU at continuous several times, when perhaps from the heartbeat message of the second veneer 20 of the indoor unit of the RSU that receives, confirming the second veneer 20 fault of indoor unit of RSU, the first veneer 10 of the indoor unit of RSU with the fault information reporting of the second veneer 20 of the indoor unit of RSU to switch module 30.
As a kind of possible embodiment, when the first veneer 10 normal operation of the indoor unit of RSU, the first veneer 10 of the indoor unit of RSU also is used for periodically sending heartbeat message to the second veneer 20 of the indoor unit of RSU by the second network interface 14 of the first veneer 10 of the indoor unit of the second serial 12 of the first veneer 10 of the indoor unit of RSU and RSU, if the first veneer 10 continuous several times of the indoor unit of RSU do not receive the heartbeat message of the second veneer 20 of the indoor unit of RSU from the second network interface 14, but receive the heartbeat message of the second veneer 20 of the indoor unit of RSU from second serial 12, then the first veneer 10 of the indoor unit of RSU with the network connection fault information reporting between the second veneer 20 of the indoor unit of the first veneer 10 of the indoor unit of RSU and RSU to switch module 30.
As a kind of possible embodiment, when the first veneer 10 normal operation of the indoor unit of RSU, the first veneer 10 of the indoor unit of RSU also is used for periodically sending heartbeat message to the second veneer 20 of the indoor unit of RSU by the second network interface 14 of the first veneer 10 of the indoor unit of the second serial 12 of the first veneer 10 of the indoor unit of RSU and RSU, if the first veneer 10 continuous several times of the indoor unit of RSU do not receive the heartbeat message of the second veneer 20 of the indoor unit of RSU from second serial 12, but receive the heartbeat message of the second veneer 20 of the indoor unit of RSU from the second network interface 14, then the first veneer 10 of the indoor unit of RSU connects fault information reporting to switch module 30 with the serial ports between the second veneer 20 of the indoor unit of the first veneer 10 of the indoor unit of RSU and RSU.
As a kind of possible embodiment, second serial 12 and second serial 22 can be the RS232 interfaces.
As a kind of possible embodiment, above-mentioned optical fiber can be the single mode single-core fiber.
See also Fig. 3, Fig. 3 is a kind of structural drawing that possesses the RSU of dual-host backup that the utility model provides.As shown in Figure 3, this RSU comprises outdoor unit 301, fiber coupler 302 and indoor unit 303.Wherein, the structural drawing of indoor unit 303 is described in detail among the embodiment of front, and the utility model is not given unnecessary details herein.
Wherein, the photoelectric commutator of the first veneer of indoor unit 303 is connected by first port of optical fiber with fiber coupler 302 first sides; The photoelectric commutator of the second veneer of indoor unit 303 is connected by second port of optical fiber with fiber coupler 302 first sides;
Wherein, the port of fiber coupler 302 second sides is connected by the photoelectric commutator of optical fiber with outdoor unit 301.
In the utility model, the structure of outdoor unit 301 and function thereof are known in those skilled in the art, and the utility model is not given unnecessary details herein.
As a kind of possible embodiment, in RSU shown in Figure 3, optical fiber can be the single mode single-core fiber.
In the utility model, the indoor unit of RSU has carried out effective backup to its veneer, so that the second veneer is when detecting the first single board default, the second veneer can switch to immediately the first veneer and carry out work, guaranteeing the normal operation of RSU and indoor unit thereof, thereby can improve the stability of indoor unit.In addition, owing to the existence of the second veneer has been avoided need to safeguarding failing single board in the vehicle operating peak period, thereby not only can improve the service efficiency of RSU and indoor unit thereof, also reduce maintenance difficulties.
More than RSU provided by the utility model and indoor unit thereof are described in detail, used specific case herein principle of the present utility model and embodiment set forth, the explanation of above embodiment just is used for helping to understand the utility model; Simultaneously, for one of ordinary skill in the art, according to thinking of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (10)
1. an indoor unit that possesses the roadside unit of dual-host backup is characterized in that, comprising:
The first veneer, the second veneer, switch module and serial port module;
Described the first veneer be connected veneer and be connected with the outdoor unit of described roadside unit, described switch module and described serial port module respectively;
Wherein, described the first veneer and the second veneer are used for mutually backup.
2. indoor unit according to claim 1 is characterized in that,
The photoelectric commutator of described the first veneer is used for being connected by first port of optical fiber with fiber coupler the first side; The photoelectric commutator of described the second veneer is used for being connected by second port of optical fiber with described fiber coupler the first side; The port of described fiber coupler the second side is used for being connected by the photoelectric commutator of optical fiber with the outdoor unit of described roadside unit;
The first serial of described the first veneer is connected with the first port of the first side of described serial port module; The first serial of described the second veneer is connected with the second port of the first side of described serial port module;
The second serial of described the first veneer is connected with the second serial of described the second veneer, the first network interface of described the first veneer connects described switch module, the first network interface of described the second veneer is used for connecting described switch module, and the second network interface of described the first veneer is connected with the second network interface of described the second veneer.
3. indoor unit according to claim 2, it is characterized in that, the heartbeat message that the heartbeat message that described the second veneer periodically sends for detection of the second serial of described the first veneer and/or the second network interface that detects described the first veneer periodically send, if continuously several times do not detect the heartbeat message that the second network interface of the second serial of described the first veneer and/or described the first veneer periodically sends, perhaps, if from the heartbeat message that the second network interface of the second serial of described the first veneer of detecting and/or described the first veneer periodically sends, confirm described the first single board default, switch to primary veneer and carry out work.
4. according to claim 1,2 or 3 described indoor units, it is characterized in that also comprise the power supply backup module, described power supply backup module comprises an AC-DC power module and the 2nd AC-DC power module at least;
The alternating current input port of the alternating current input port of a described AC-DC power module and described the 2nd AC-DC power module is respectively applied to the input AC electricity;
The direct current delivery outlet of a described AC-DC power module connects respectively the direct current input port of described the first veneer and the direct current input port of described the second veneer; The direct current delivery outlet of described the 2nd AC-DC power module connects respectively the direct current input port of described the first veneer and the direct current input port of described the second veneer.
5. indoor unit according to claim 4, it is characterized in that, described power supply backup module also comprises lightning arrester, and the alternating current delivery outlet of described lightning arrester connects respectively the alternating current input port of a described AC-DC power module and the alternating current input port of described the 2nd AC-DC power module; Wherein, described lightning arrester is used for the alternating current of outside input is exported to respectively a described AC-DC power module and the 2nd AC-DC power module; A described AC-DC power module and the 2nd AC-DC power module are respectively applied to receive the alternating current of described lightning arrester output, and output DC is given described the first veneer and the second veneer respectively, to form the power supply backup to described the first veneer and the second veneer.
6. indoor unit according to claim 5 is characterized in that,
When the voltage difference of a described AC-DC power module and described the 2nd AC-DC power module output during less than threshold voltage, the load current of described the first veneer and described the second veneer is divided equally by a described AC-DC power module and described the 2nd AC-DC power module to be provided;
When the voltage difference of a described AC-DC power module and described the 2nd AC-DC power module output during greater than described threshold voltage, the load current of described the first veneer and described the second veneer is provided by the high power module of output voltage in a described AC-DC power module and the 2nd AC-DC power module.
7. according to claim 1,2 or 3 described indoor units, it is characterized in that,
When described the first normal working of single board, described the first veneer also is used for periodically sending heartbeat message to described the second veneer by the second serial of described the first veneer and/or the second network interface of described the first veneer, and the heartbeat message of not receiving described the second veneer at continuous several times, when perhaps confirming the second single board default from the heartbeat message of described the second veneer of receiving, the fault information reporting that described the first veneer will described the second veneer is to described switch.
8. according to claim 1,2 or 3 described indoor units, it is characterized in that,
When described the first normal working of single board, described the first veneer also is used for periodically sending heartbeat message to described the second veneer by the second serial of described the first veneer and/or the second network interface of described the first veneer, if the continuous several times of described the first veneer do not receive the heartbeat message of described the second veneer from the second network interface, but receive the heartbeat message of described the second veneer from second serial, then described the first veneer is given described switch with the network connection fault information reporting between described the first veneer and described the second veneer.
9. according to claim 1,2 or 3 described indoor units, it is characterized in that,
When described the first normal working of single board, described the first veneer also is used for periodically sending heartbeat message to described the second veneer by the second serial of described the first veneer and/or the second network interface of described the first veneer, if the continuous several times of described the first veneer do not receive the heartbeat message of described the second veneer from second serial, but receive the heartbeat message of described the second veneer from the second network interface, then described the first veneer connects fault information reporting to described switch with the serial ports between described the first veneer and described the second veneer.
10. a roadside unit that possesses dual-host backup is characterized in that, comprises each described indoor unit of outdoor unit, fiber coupler and claim 1 ~ 9, wherein:
The photoelectric commutator of the first veneer of described indoor unit is connected by first port of optical fiber with described fiber coupler the first side; The photoelectric commutator of the second veneer of described indoor unit is connected by second port of optical fiber with described fiber coupler the first side;
The port of described fiber coupler the second side is connected with the photoelectric commutator of described outdoor unit by optical fiber.
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| CN 201220365081 CN202870486U (en) | 2012-07-26 | 2012-07-26 | Road side unit with two unit standbys, and indoor unit thereof |
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| CN103731172A (en) * | 2013-06-21 | 2014-04-16 | 深圳市金溢科技有限公司 | Road side unit equipment and radio frequency transmit-receive method |
| CN104518828A (en) * | 2013-09-30 | 2015-04-15 | 华为海洋网络有限公司 | Submarine branch unit and submarine cable terminal equipment |
| CN104580345A (en) * | 2014-09-09 | 2015-04-29 | 深圳市金溢科技股份有限公司 | Hot backup method and system for multi-lane free flow road side units |
| CN111965968A (en) * | 2019-05-20 | 2020-11-20 | 华为技术有限公司 | Switching control method, system and device |
| CN112702192A (en) * | 2020-12-11 | 2021-04-23 | 阳光电源股份有限公司 | Fault processing method, device and system of communication equipment and storage medium |
| CN115333926A (en) * | 2021-04-21 | 2022-11-11 | 大唐高鸿智联科技(重庆)有限公司 | Road side unit fault processing method, RSU and vehicle networking system |
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2012
- 2012-07-26 CN CN 201220365081 patent/CN202870486U/en not_active Expired - Lifetime
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103731172A (en) * | 2013-06-21 | 2014-04-16 | 深圳市金溢科技有限公司 | Road side unit equipment and radio frequency transmit-receive method |
| CN103731172B (en) * | 2013-06-21 | 2016-05-04 | 深圳市金溢科技股份有限公司 | Roadside unit equipment and radio-frequency receiving-transmitting method |
| CN104518828A (en) * | 2013-09-30 | 2015-04-15 | 华为海洋网络有限公司 | Submarine branch unit and submarine cable terminal equipment |
| CN104518828B (en) * | 2013-09-30 | 2017-06-06 | 华为海洋网络有限公司 | Seabed branch units and extra large cable terminal device |
| CN104580345A (en) * | 2014-09-09 | 2015-04-29 | 深圳市金溢科技股份有限公司 | Hot backup method and system for multi-lane free flow road side units |
| CN111965968A (en) * | 2019-05-20 | 2020-11-20 | 华为技术有限公司 | Switching control method, system and device |
| CN112702192A (en) * | 2020-12-11 | 2021-04-23 | 阳光电源股份有限公司 | Fault processing method, device and system of communication equipment and storage medium |
| CN112702192B (en) * | 2020-12-11 | 2023-09-29 | 阳光电源股份有限公司 | Fault processing method, device and system of communication equipment and storage medium |
| CN115333926A (en) * | 2021-04-21 | 2022-11-11 | 大唐高鸿智联科技(重庆)有限公司 | Road side unit fault processing method, RSU and vehicle networking system |
| CN115333926B (en) * | 2021-04-21 | 2024-05-03 | 中信科智联科技有限公司 | Fault processing method of road side unit, RSU and Internet of vehicles system |
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