CN206977044U - One kind 600~800V d. c. remote electric power systems - Google Patents
One kind 600~800V d. c. remote electric power systems Download PDFInfo
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- CN206977044U CN206977044U CN201720451149.0U CN201720451149U CN206977044U CN 206977044 U CN206977044 U CN 206977044U CN 201720451149 U CN201720451149 U CN 201720451149U CN 206977044 U CN206977044 U CN 206977044U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/242—Home appliances
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Abstract
One kind 600~800V d. c. remote electric power systems are the utility model is related to, belong to d. c. remote power supply field.Including power supply module, local side apparatus, remote equipment, transmission cable, host computer, the first wireless communication module, the second wireless communication module and electrical equipment；In the input of the first converter module of local side apparatus and output both ends, a variety of protection modules are set respectively, the various protection modules of first monitoring module and local side apparatus are attached, in the input of the second converter module of remote equipment and output both ends, a variety of protection modules are set respectively, the various protection modules of second monitoring module and remote equipment are attached, host computer obtains the monitoring situation of the first monitoring module and the second monitoring module respectively, by host computer to the monitoring for the various situations being likely to occur in power supply, corresponding measure can be made in time by realizing during generation problem；Using 600~800V direct current supplys, minimize transmission cable cross section, realization reduces cost.
Description
Technical field
The utility model belongs to d. c. remote power supply field, and in particular to one kind 600~800V d. c. remote electric power systems.
Background technology
With the development of the social economy, in order to meet the growing communication requirement of people, trip requirements etc., communicate,
The infrastructure constructions such as high ferro, highway are located at continuous extension.During communication, high ferro, highway capital construction, along with logical
The auxiliary construction of the equipment such as letter, monitoring.
At present, amount of communication data is increasing, and video monitoring range is more and more extensive, thus communication base station and video monitoring
Equipment all increases in geometry multiple, but due to the Rapid Expansion of the scales of capital construction such as communication, high ferro, highway, many feelings
Away from service area under condition, the equipment power-extracting such as cause to communicate, monitor is difficult, in addition without electricity it is desirable the problem of occur.
In the prior art, remote power feeding mode has exchange remote power feeding and d. c. remote power supply, in order to solve remote power feeding
During electric energy loss problem, exchange remote power feeding and d. c. remote power supply be required for use high pressure mode remote power feeding, friendship
Stream power supply needs three wires, and direct current supply only needs two wires, for considering in cost, with the increase of length of cable, directly
The cost of stream cable is far below ac cable.Simultaneously in terms of security, because direct current supply exports positive and negative any one-level pair of level
Ground does not all have voltage, i.e., all without the phenomenon for having electric shock when human body or livestock touch any one-level of equipment output, significantly
Equipment construction is improved, security performance when safeguarding.Thus, direct current supply is in communication base station and video monitoring equipment application aspect
Advantage be present.
But in terms of communication, high ferro, the highway capital construction, the equipment such as communication, monitoring on the one hand there is powerup issue,
What prior art Patents solved is how to solve powerup issue mostly, such as Application No. CN2015202933588 one kind
Highway advices plate provides a kind of d. c. remote power supply plan with remote electric power system.But due to the equipment such as communicating, monitoring
It is unattended in many cases, thus also needs to be monitored electric power thus supplied, can be timely when power supply goes wrong
Take countermeasure.
Utility model content
In view of this, the purpose of this utility model is overcome the deficiencies in the prior art, there is provided one kind 600~800V direct currents
Remote electric power system, realize the monitoring to 600~800V direct current supplys.
To realize object above, the utility model adopts the following technical scheme that：
One kind 600~800V d. c. remote electric power systems, including power supply module, local side apparatus, remote equipment, transmission
Cable, host computer, the first wireless communication module, the second wireless communication module and electrical equipment；
The local side apparatus includes the first filtering lightning-protection module, the first open-circuit-protection module, the first short circuit protection module, the
One leakage protection module, the first input overvoltage protective module, the first input undervoltage protection module, the first input overcurrent protection mould
Block, the first converter module, the first output overcurrent protection module, the first output over-voltage protection module, the first output under-voltage protection
Module, the second filtering lightning-protection module and the first monitoring module；
Wherein, it is described first filtering lightning-protection module, the first open-circuit-protection module, first short circuit protection module,
First leakage protection module, the first input overvoltage protective module, the first input undervoltage protection module, described the
One input overcurrent protection module, first converter module, the first output overcurrent protection module, described first exported
Pressure protection module, the first output under-voltage protective module and the second filtering lightning-protection module are sequentially connected electrically；Described first
Filter lightning-protection module, the first open-circuit-protection module, first short circuit protection module, first leakage protection module,
The first input overvoltage protective module, the first input undervoltage protection module, the first input overcurrent protection module, institute
State the first output overcurrent protection module, the first output over-voltage protection module, the first output under-voltage protective module and institute
The second filtering lightning-protection module is stated to electrically connect with first monitoring module respectively；The first converter module output 600~
800V DC voltages；
The remote equipment include the 3rd filtering lightning-protection module, the second input undervoltage protection module, the second converter module,
Second output overcurrent protection module, the second output over-voltage protection module, the second output under-voltage protective module, the second output short-circuit are protected
Protect module, the 4th filtering lightning-protection module and the second monitoring module；
Wherein, the 3rd filtering lightning-protection module, the second input undervoltage protection module, the second converter mould
Block, the second output overcurrent protection module, the second output over-voltage protection module, the second output under-voltage protection mould
Block, the second output short circuit protection module and the 4th filtering lightning-protection module are sequentially connected electrically；
The 3rd filtering lightning-protection module, the second input undervoltage protection module, second output overcurrent protection mould
Block, the second output over-voltage protection module, the second output under-voltage protective module, the second output short circuit protection module
Electrically connected respectively with second monitoring module with the described 4th filtering lightning-protection module；
The power supply module electrically connects with the described first filtering lightning-protection module, the electrical equipment and the described 4th filter
Ripple lightning-protection module electrically connects, and the second filtering lightning-protection module and the 3rd filtering lightning-protection module pass through transmission cable electricity
Connection, first monitoring module and first wireless communication module respectively with the upper mechatronics, second nothing
Line communication module electrically connects with second monitoring module, first wireless communication module and second wireless communication module
Radio communication connects.
Further, the power supply module is 48V DC power suppliers, and first converter module is DC/DC
Booster converter module.
Further, the power supply module is 220V or 380V AC power supply modules, first converter module
For AC/DC converter modules.
Further, second converter module is DC/DC buck converter modules.
Further, the DC/DC buck converters module output voltage is 48V or 12V.
Further, second converter module is DC/AC converter modules.
Further, first converter module and second converter module are isolated converter module.
Further, the cored wire cross-sectional area of the transmission cable is less than or equal to 4mm2。
Further, when the output DC voltage of first converter module is 600V, the core of the transmission cable
Line cross-sectional area is 4mm2。
Further, first wireless communication module and second wireless communication module are 3G communication modules；Or
Person, first wireless communication module and second wireless communication module are 4G communication modules.
The utility model uses above technical scheme, at least possesses following beneficial effect：
The utility model provides one kind 600~800V d. c. remote electric power systems, in the first converter mould of local side apparatus
The input of block and output both ends set a variety of protection modules respectively, and the various protection modules of the first monitoring module and local side apparatus enter
Row connection, a variety of protection modules, the second prison are set respectively in the input of the second converter module of remote equipment and output both ends
The various protection modules of control module and remote equipment are attached, and host computer obtains the first monitoring module and the second monitoring mould respectively
The monitoring situation of block, can by host computer to the monitoring for the various situations being likely to occur in power supply, during realizing generation problem
Corresponding measure is made in time；The utility model uses 600~800V direct current supplys simultaneously, under same transimission power, can make
The cross section of transmission cable is minimized, and cost is reduced so as to realize.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of general principles figure of 600~800V d. c. remotes electric power system of the utility model.
Fig. 2 is the fundamental diagram that the utility model carries various protection modules.
In figure, 1- power supply modules；2- local side apparatus；3- remote equipments；4- transmission cables；5- host computers；6- first
Wireless communication module；The wireless communication modules of 7- second；8- electrical equipments；201- first filters lightning-protection module；202- first opens a way
Protection module；The short circuit protection modules of 203- first；The leakage protection modules of 204- first；205- first inputs overvoltage protective module；
206- the first input undervoltage protection modules；207- first inputs overcurrent protection module；The converter modules of 208- first；209- first
Output overcurrent protection module；210- the first output over-voltage protection modules；211- first exports under-voltage protective module；212- second is filtered
Ripple lightning-protection module；The monitoring modules of 213- first；301- the 3rd filters lightning-protection module；302- the second input undervoltage protection modules；
The converter modules of 303- second；304- the second output overcurrent protection modules；305- the second output over-voltage protection modules；306- second
Export under-voltage protective module；307- the second output short circuit protection modules；308- the 4th filters lightning-protection module；309- second monitors mould
Block.
Embodiment
, below will be to technology of the present utility model to make the purpose of this utility model, technical scheme and advantage clearer
Scheme is described in detail.Obviously, described embodiment is only the utility model part of the embodiment, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not before creative work is made
Resulting all other embodiment is put, belongs to the scope that the utility model is protected.
As depicted in figs. 1 and 2, the utility model provides one kind 600~800V d. c. remote electric power systems, including power supply electricity
Source module 1, local side apparatus 2, remote equipment 3, transmission cable 4, host computer 5, the first wireless communication module 6, the second radio communication
Module 7 and electrical equipment 8；
The local side apparatus 2 includes the first filtering lightning-protection module 201, the first open-circuit-protection module 202, the first short-circuit protection
Module 203, the first leakage protection module 204, first input overvoltage protective module 205, the first input undervoltage protection module 206,
First input overcurrent protection module 207, the first converter module 208, the first output overcurrent protection module 209, first exported
Press protection module 210, first to export under-voltage protective module 211, second and filter the monitoring module 213 of lightning-protection module 212 and first；
Wherein, the first filtering lightning-protection module 201, the first open-circuit-protection module 202, first short-circuit protection
Module 203, first leakage protection module 204, the first input overvoltage protective module 205, first input undervoltage
Protection module 206, the first input overcurrent protection module 207, first converter module 208, described first exported
Flow protection module 209, the first output over-voltage protection module 210, the first output under-voltage protective module 211 and described the
Two filtering lightning-protection modules 212 are sequentially connected electrically；It is described first filtering lightning-protection module 201, the first open-circuit-protection module 202,
First short circuit protection module 203, first leakage protection module 204, it is described first input overvoltage protective module 205,
The first input undervoltage protection module 206, the first input overcurrent protection module 207, first output overcurrent protection
Module 209, the first output over-voltage protection module 210, the first output under-voltage protective module 211 and second filtering
Lightning-protection module 212 electrically connects with first monitoring module 213 respectively；First converter module 208 exports 600~800V
DC voltage；
The remote equipment 3 includes the 3rd filtering lightning-protection module 301, the conversion of the second input undervoltage protection module 302, second
Device module 303, the second output overcurrent protection module 304, the second output over-voltage protection module 305, second output under-voltage protection mould
Block 306, the second output short circuit protection module the 307, the 4th filtering monitoring module 309 of lightning-protection module 308 and second；
Wherein, the 3rd filtering lightning-protection module 301, the second input undervoltage protection module 302, second conversion
Device module 303, the second output overcurrent protection module 304, the second output over-voltage protection module 305, described second are defeated
It is electric successively to go out under-voltage protective module 306, the second output short circuit protection module 307 and the 4th filtering lightning-protection module 308
Connection；
The 3rd filtering lightning-protection module 301, the second input undervoltage protection module 302, second output overcurrent
Protection module 304, the second output over-voltage protection module 305, the second output under-voltage protective module 306, described second
Output short circuit protection module 307 and the 4th filtering lightning-protection module 308 electrically connect with second monitoring module 309 respectively；
The power supply module 1 with described first filtering lightning-protection module 201 electrically connect, the electrical equipment 8 with it is described
4th filtering lightning-protection module 308 electrically connects, and the second filtering lightning-protection module 212 and the 3rd filtering lightning-protection module 301 are logical
The transmission cable 4 is crossed to electrically connect, 6 pieces of first monitoring module 213 and first wireless communication module respectively with it is described
Host computer 5 electrically connects, and 7 pieces of second wireless communication module electrically connects with second monitoring module 309, and described first is wireless
Communication module 6 is connected with the radio communication of the second wireless communication module 7.
The utility model such scheme provides one kind 600~800V d. c. remote electric power systems, the first converter mould
Block 208 exports 600~800V DC voltages, and electrical equipment and video monitoring electricity consumption in the communication base station to remote sites are set
It is standby under same transimission power, the cross section of transmission cable 4 to be made to minimize when waiting remote power feeding, so as to realize reduction into
This.In the input of first converter module 208 of the local side apparatus 2 and output both ends, a variety of protection moulds are set respectively
Block, it is possible to achieve to the filtering lightning protection, the open-circuit-protection of input and output, input and output of the input and output of local side apparatus 2
Short-circuit protection, the earth leakage protective of input and output, the overvoltage protection of input and output, input and output under-voltage protection and input it is defeated
The overcurrent protection gone out, it is described by first monitoring module 213 that arrives of signal transmission in various protection module trigger protections
Signal data is uploaded to the host computer 5 by the first monitoring module 213.
Similarly, the remote equipment 3 second converter module 303 input and output both ends set respectively
A variety of protection modules, it is possible to achieve the under-voltage protection, defeated of filtering lightning protection, input to the input and output of remote equipment 3
Overcurrent protection, the overvoltage protection of output, the under-voltage protection of output and the short-circuit protection of output gone out, is touched in various protection modules
During hair protection, arrive second monitoring module 309 by what signal was sent, pass through second wireless communication module 7 and described the
The radio communication of one wireless communication module 6 connects, and second monitoring module 309 upload the data in the host computer 5, passed through
The host computer 5 can make corresponding in time to the monitoring for the various situations being likely to occur in power supply, during realizing generation problem
Measure.
In the utility model, the power supply for being provided the power supply module 1 by first converter module 208 turns
Change 600~800V direct current electricity outputs into.On the other hand, the utility model gives following a variety of preferably concrete application schemes.
The power supply module 1 can use 48V DC power suppliers, accordingly, first converter module 208
Using DC/DC booster converter modules.
Or the power supply module 1 can also use 220V or 380V AC power supply modules, accordingly, described
One converter module uses 208 as AC/DC converter modules.
In the utility model, by second converter module 303 by 600~800V direct currents be converted to direct current or
Alternating current is applied, in actual applications, can be according to the electricity consumption type and utilization voltage of the electrical equipment 8, from matching
Second converter module 303, when needing to use 48V or 12V DC electricity such as electrical equipment, second converter module
303 select DC/DC buck converter modules, by the direct current that 600~800V direct currents decompression transformation is 12V or 48V；Such as electricity consumption
When equipment needs to use 220V alternating currents, second converter module 303 selects DC/AC converter modules, by 600~800V
Direct current decompression transformation is 220V alternating currents.
Converter product on the market, isolated converter product are not connected between the earth when in use, because
Regardless of whether any single line of circuit is encountered all without the danger for having electric shock.The advantages of based on above-mentioned isolated converter product, this
First converter module 208 described in utility model and second converter module 303 can use isolated converter
Module.By the program, the HVDC of output suspends over the ground, i.e., voltage is not present in any one-level over the ground, greatly improves
Safety utilization of electric power.
From a cost perspective, the utility model provides following preferred scheme to the transmission cable 4：The transmission cable
4 cored wire cross-sectional area is less than or equal to 4mm2, it is preferable that when the output DC voltage of first converter module 208 is
During 600V, the cored wire cross-sectional area of the transmission cable 4 is 4mm2.Under same transimission power, the horizontal stroke of transmission cable 4 can be made
Section is minimized, and cost is reduced so as to realize；Simultaneously in Practical Project, when the selection of transmission cable 4 is laid in the duct,
Because the accommodating cross-sectional area of pipeline is certain, other cables can be laid in pipeline simultaneously, thus from the utility model
The transmission cable 4 can be in order to be laid in pipeline, while save pipeline space.
In the utility model, market can be selected in first wireless communication module 6 and second wireless communication module 7
Upper widely used 3G communication modules；Or first wireless communication module 6 and second wireless communication module 7
From 4G communication modules widely used on the market.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with the power
The protection domain that profit requires is defined.
Claims (10)
1. one kind 600~800V d. c. remote electric power systems, it is characterised in that：Including power supply module, local side apparatus, distal end
Equipment, transmission cable, host computer, the first wireless communication module, the second radio communication mold and electrical equipment；
The local side apparatus includes the first filtering lightning-protection module, the first open-circuit-protection module, the first short circuit protection module, the first leakage
Electric protection module, the first input overvoltage protective module, the first input undervoltage protection module, the first input overcurrent protection module, the
One converter module, the first output overcurrent protection module, the first output over-voltage protection module, first output under-voltage protective module,
Second filtering lightning-protection module and the first monitoring module；
Wherein, the first filtering lightning-protection module, the first open-circuit-protection module, first short circuit protection module, described
It is first leakage protection module, the first input overvoltage protective module, the first input undervoltage protection module, described first defeated
Enter overcurrent protection module, first converter module, the first output overcurrent protection module, first output overvoltage to protect
Shield module, the first output under-voltage protective module and the second filtering lightning-protection module are sequentially connected electrically；First filtering
It is lightning-protection module, the first open-circuit-protection module, first short circuit protection module, first leakage protection module, described
First input overvoltage protective module, the first input undervoltage protection module, the first input overcurrent protection module, described the
One output overcurrent protection module, the first output over-voltage protection module, the first output under-voltage protective module and described the
Two filtering lightning-protection modules electrically connect with first monitoring module respectively；It is straight that first converter module exports 600~800V
Flow voltage；
The remote equipment includes the 3rd filtering lightning-protection module, the second input undervoltage protection module, the second converter module, second
Output overcurrent protection module, the second output over-voltage protection module, the second output under-voltage protective module, the second output short circuit protection mould
Block, the 4th filtering lightning-protection module and the second monitoring module；
Wherein, the 3rd filtering lightning-protection module, the second input undervoltage protection module, second converter module, institute
State the second output overcurrent protection module, the second output over-voltage protection module, the second output under-voltage protective module, described
Second output short circuit protection module and the 4th filtering lightning-protection module are sequentially connected electrically；
The 3rd filtering lightning-protection module, the second input undervoltage protection module, the second output overcurrent protection module, institute
State the second output over-voltage protection module, the second output under-voltage protective module, the second output short circuit protection module and the institute
The 4th filtering lightning-protection module is stated to electrically connect with second monitoring module respectively；
The power supply module electrically connects with the described first filtering lightning-protection module, and the electrical equipment and the described 4th filtering are anti-
Thunder module is electrically connected, and the second filtering lightning-protection module and the 3rd filtering lightning-protection module are electrically connected by the transmission cable
Connect, first monitoring module and first wireless communication module are wireless with the upper mechatronics, described second respectively
Communication module electrically connects with second monitoring module, first wireless communication module and second wireless communication module without
Line communicates to connect.
2. 600~800V d. c. remotes electric power system according to claim 1, it is characterised in that：The power supply mould
Block is 48V DC power suppliers, and first converter module is DC/DC booster converter modules.
3. 600~800V d. c. remotes electric power system according to claim 1, it is characterised in that：The power supply mould
Block is 220V or 380V AC power supply modules, and first converter module is AC/DC converter modules.
4. 600~800V d. c. remote electric power systems according to Claims 2 or 3, it is characterised in that：Second conversion
Device module is DC/DC buck converter modules.
5. 600~800V d. c. remotes electric power system according to claim 4, it is characterised in that：The DC/DC decompressions become
Parallel operation module output voltage is 48V or 12V.
6. 600~800V d. c. remote electric power systems according to Claims 2 or 3, it is characterised in that：Second conversion
Device module is DC/AC converter modules.
7. 600~800V d. c. remotes electric power system according to claim 1, it is characterised in that：First converter
Module and second converter module are isolated converter module.
8. 600~800V d. c. remotes electric power system according to claim 1, it is characterised in that：The transmission cable
Cored wire cross-sectional area is less than or equal to 4mm2。
9. 600~800V d. c. remotes electric power system according to claim 8, it is characterised in that：When the described first conversion
When the output DC voltage of device is 600V, the cored wire cross-sectional area of the transmission cable is 4mm2。
10. 600~800V d. c. remotes electric power system according to claim 1, it is characterised in that：First channel radio
Believe that module and second wireless communication module are 3G communication modules；Or first wireless communication module and described
Two wireless communication modules are 4G communication modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720451149.0U CN206977044U (en) | 2017-04-26 | 2017-04-26 | One kind 600~800V d. c. remote electric power systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720451149.0U CN206977044U (en) | 2017-04-26 | 2017-04-26 | One kind 600~800V d. c. remote electric power systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206977044U true CN206977044U (en) | 2018-02-06 |
Family
ID=61412408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720451149.0U Active CN206977044U (en) | 2017-04-26 | 2017-04-26 | One kind 600~800V d. c. remote electric power systems |
Country Status (1)
| Country | Link |
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| CN (1) | CN206977044U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110266103A (en) * | 2019-05-28 | 2019-09-20 | 华信咨询设计研究院有限公司 | A kind of 5G power supply system for communications and its control method |
| CN115800549A (en) * | 2022-12-26 | 2023-03-14 | 中国铁塔股份有限公司 | Remote power supply device |
-
2017
- 2017-04-26 CN CN201720451149.0U patent/CN206977044U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110266103A (en) * | 2019-05-28 | 2019-09-20 | 华信咨询设计研究院有限公司 | A kind of 5G power supply system for communications and its control method |
| CN115800549A (en) * | 2022-12-26 | 2023-03-14 | 中国铁塔股份有限公司 | Remote power supply device |
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