CN108828304A - A kind of micro-base station power supply management device and connection method - Google Patents
A kind of micro-base station power supply management device and connection method Download PDFInfo
- Publication number
- CN108828304A CN108828304A CN201810575302.XA CN201810575302A CN108828304A CN 108828304 A CN108828304 A CN 108828304A CN 201810575302 A CN201810575302 A CN 201810575302A CN 108828304 A CN108828304 A CN 108828304A
- Authority
- CN
- China
- Prior art keywords
- power supply
- management device
- current
- interface
- supply management
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 48
- 230000005611 electricity Effects 0.000 claims abstract description 35
- 238000004891 communication Methods 0.000 claims abstract description 11
- 238000005070 sampling Methods 0.000 claims description 27
- 238000006243 chemical reaction Methods 0.000 claims description 20
- 238000002955 isolation Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 9
- 230000001012 protector Effects 0.000 claims description 6
- 230000003321 amplification Effects 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000002620 method output Methods 0.000 claims 1
- 238000007726 management method Methods 0.000 description 112
- 238000010586 diagram Methods 0.000 description 20
- 238000005286 illumination Methods 0.000 description 6
- 101000688543 Homo sapiens Shugoshin 2 Proteins 0.000 description 1
- 102100024238 Shugoshin 2 Human genes 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000013396 workstream Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/2506—Arrangements for conditioning or analysing measured signals, e.g. for indicating peak values ; Details concerning sampling, digitizing or waveform capturing
- G01R19/2509—Details concerning sampling, digitizing or waveform capturing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/30—Structural combination of electric measuring instruments with basic electronic circuits, e.g. with amplifier
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/10—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods using digital techniques
-
- H02J13/0075—
-
- 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
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- 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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The present invention relates to the present invention to provide a kind of micro-base station power supply management device and connection method, which includes exchange input interface, equipment power supply interface, loop power supply output/external current sample multiplexing functions interface, AC/DC power module, voltage sample mutual inductor, voltage sample adjustment circuit, equipment control switch 1, cascade Mach-Zehnder interferometer switch 2, current sample mode selector, current transformer 1, current transformer 2, current sample adjustment circuit, sampled reference source, CPU processor, wireless communication module, radio antenna.According to the technical solution of the present invention in addition to can be other than load to each street lamp on street lamp and electricity consumption be managed, additionally it is possible to effectively be loaded to various kinds of equipment of the carry on street lamp post and power consumption management.
Description
Technical field
The present invention relates to Internet of Things, road lighting field, specially a kind of micro-base station power supply management device and connection side
Method.
Background technique
Since street lamp post has city density and the convenient characteristic of powering, in internet of things field and road lighting field,
There is producer to start with the convenience of lamp stand power supply carry air borne sensor, camera, display screen etc. on street lamp post each
Kind Internet of Things screen component, these Internet of Things screen components all take electricity from lamp stand route using the simple mode of connection, do not consider lamp stand
The load capacity of power supply line, the problem of causing lamp stand power supply line overload that route is caused to burn, happen occasionally.
There is part of the manufacturer in order to guarantee that the electrical equipment of carry on street lamp post installs breaker and switch controller additional, still
These devices are all to work independently, and during lamp stand loop power supply, all devices while electrifying startup cause starting current mistake
Power supply line's failure problems are caused greatly.
Since street lighting belongs to social public resource, the street lighting electricity charge are by government finance according in Street lamps control cabinet
Ammeter continuous data carries out unified payment, but the electricity consumption of the equipment consumption of carry can reach street lamp use on street lamp post
As many as 40% of electricity, can not to these it is additional carry out effective quantitative statistics with electric consumption, lead to the tight of public social resources
It wastes again.
These defects mentioned above have become technical problem urgently to be solved.
Summary of the invention
The present invention devises a kind of micro-base station power supply management device and connection method.
Present invention employs following technical solutions：
A kind of micro-base station power supply management device, the power supply management device include exchange input interface, equipment power supply interface, circuit confession
Electricity output/external current sample multiplexing functions interface, radio antenna, it is characterised in that：Input interface is exchanged, equipment is used for
The exchange of power supply inputs, and connects firewire, the protecting field, zero curve of exchange input respectively with tri- pins of L, E, N；Equipment power supply connects
Mouthful, for being powered management to the equipment that is managed, there are tri- pins of L, E, N, respectively to managed devices offer firewire,
The access of protecting field, zero curve；Loop power supply output/external current sample multiplexing functions interface, is used for built-in tandem type connection side
Loop power supply output in method, and for the connection of the external current transformer in external mutual-inductor type connection method.
Further, which further includes AC/DC power module, voltage sample mutual inductor, voltage sample tune
Whole circuit, equipment control switch 1, cascade Mach-Zehnder interferometer switch 2, current sample mode selector, current transformer 1, Current Mutual Inductance
Device 2, current sample adjustment circuit, sampled reference source, CPU processor, wireless communication module.
Further, the equipment control switch 1 is defaulted as always-on, using control relay by CPU processor
IO controls hardware realization switch control, and the normally opened contact NO and intermediate contact CO by controlling relay realize opening for power supply unit
Close power supply.
Further, the cascade Mach-Zehnder interferometer switch 2 is defaulted as normally closed mode, using control relay by CPU processor
IO controls hardware realization switch control, realizes opening for loop power supply output by the normally opened contact and intermediate contact that control relay
Close power supply.
Further, the voltage sample adjustment circuit includes voltage transformer, phase-adjusting circuit, voltage electricity
Road, over-voltage protector, amplifier amplifying circuit, driving follow circuit；The current sample adjustment circuit include current transformer,
Phase-adjusting circuit, electric current turn potential circuit, over-voltage protector, operational amplification circuit, driving follow circuit.
Further, the loop power supply output/external current sample multiplexing functions interface is as external current sample function
When energy, external D.C mutual-inductor S- is drawn by the S-/E pin of external current sample interface with the protecting field E for exchanging input interface
Foot is connected.
Further, the loop power supply output/external current sample multiplexing functions interface has L/S+, E/S-, N tri-
Pin when as loop power supply output function, provides firewire, protecting field, zero curve to next stage power supply management device respectively and connects
Enter, when as external current sample function, for connecting S+, S- of external current transformer.
Further, the CPU processor, the processor is for voltage signal, the two-way electric current to power supply management device
Signal carries out ADC sampling, and the power consumption and electricity consumption of the equipment that equipment power supply interface connects are calculated according to voltage and current value, simultaneously
The total electricity consumption for calculating the subsequent power supply management device of this power supply management device and electrical equipment, inside CPU processor
Preset threshold values judges that the electric current of the equipment of equipment power supply interface connection is lower greatly and whether electricity consumption has been more than preset threshold, if super
Preset threshold is crossed, then the power supply that pin cuts off electrical equipment is controlled by IO；The processor is handled using STM32F103RC ARM
Device completes the acquisition of the electric current, voltage of power supply management device and the calculating of electricity consumption.
Further, the current sample adjustment circuit, the signal for converting current transformer 1 and 2 sample
Preceding adjustment guarantees that the signal waveform sampled, phase, volt value is undistorted is sampled by sampling unit, and improves two-way electric current
The precision of sampling；The current sample adjustment circuit, using LM358 operational amplifier complete input current signal phase compensation,
Bi-directional scaling, driving follow tertiary treatment.
Further, the current transformer 1, the current signal of the load equipment for connecting equipment power supply interface into
Row isolation signals conversion, in order to carry out current sample；The current transformer 2 is used in built-in tandem type connection method
The subsequent current signal for electric loading that loop power supply output interface is connected carries out isolation signals conversion, in external mutual-inductor type
In connection method, for the current signal of external current transformer to be carried out isolation signals conversion, which will turn
The current signal changed is for carrying out current sample；The electric current that the current transformer 1,2 is all made of TA1005-1M high precision is mutual
The conversion of sensor progress current signal.
Further, the current sample mode selector, for current sample mould in built-in tandem type connection method
The selection of current sample mode in the selection of formula and external mutual-inductor type connection method；The current sample mode selector has
1,2,3 totally 3 short-circuited terminals compositions, the selection of current sample mode are realized by following connection type, connection type is：1）It hands over
The firewire L pin of stream input interface is connected by 2 relay of cascade Mach-Zehnder interferometer with No. 1 short-circuited terminal of selection device；2）Selection dress
No. 2 short-circuited terminals are set to connect by current transformer 2 and loop power supply output/external current sample multiplexing functions interface L/S+
It connects；3）Exchange input interface protecting field E pin be connected with No. 3 short-circuited terminals of selection device, while with loop power supply output/
The E/S- connection of external current sample multiplexing functions interface；4）Exchange zero curve N pin and the loop power supply output/outer of input interface
Set the N connection of current sample multiplexing functions interface.
Further, the selection of current sample mode specifically includes in the built-in tandem type connection method：1）Selection dress
Set 1, No. 2 terminal of short circuit；2）The firewire L of exchange input is connected by 2 relay of cascade Mach-Zehnder interferometer with No. 1 terminal of selection device, is led to
The firewire pin L connection through 2 power supply to the device output interface of overcurrent mutual inductor after 2 terminals is crossed, is filled to junior's power supply management
It sets and is powered input, the power supply of junior's power supply management device passes through zero curve N and loop power supply output interface after overload
Zero curve N pin is connected, and loop power supply output interface zero curve N gives junior's power supply management to fill with input zero curve N connection, formation is exchanged
Set the circuit of power supply；3）Current supply circuit is carried out by current transformer 2 to be galvanically isolated conversion, then inputs to current sample tune
CPU module is inputed to after whole circuit progress signal adjustment to be sampled.
Further, the selection of current sample mode specifically includes in the external mutual-inductor type connection method：1）Selection
Device is shorted 2, No. 3 terminals；2）After external D.C mutual-inductor detects the high current on external cable, by external current transformer
S+ be connected with the S+ pin of external current sample interface, then by current transformer 2 and selection device No. 2 terminals into
Row connection, is connected by No. 3 terminals of selection device with the S- pin of external current sample interface, and adopted by external electric current
Sample S- pin is connected with the S- of external D.C mutual-inductor, forms external current detection circuit；3）By current transformer 2 to electric current
Measure loop carries out being galvanically isolated conversion, then inputs to after current sample adjustment circuit carries out signal adjustment and inputs to CPU mould
Block is sampled.
A kind of built-in tandem type connection method of power supply management device, the connection method are used for multistage power supply management device
It is attached, which is characterized in that the connection method includes：1）The exchange of supply input connection first order power supply management device is defeated
Incoming interface completes the supply input of first order power supply management device；2）The equipment power supply interface of first order power supply management device connects
Electrical equipment is connect, the power supply management to first order electrical equipment is completed；3）Loop power supply output/external current sample multiplexing is connect
Mouth is used as loop power supply output interface, the loop power supply output interface connection second level power supply of first order power supply management device
The exchange input interface of managing device is powered input to second level power supply management device；Second level power supply management device
Equipment power supply interface connects second level electrical equipment, for completing the power supply management of second level electrical equipment；4）Second level power supply
The exchange input interface of the loop power supply output interface connection third level power supply management device of managing device, to the third level for fulgurite
Reason device is powered input；And so on, complete the power supply management of N grades of power supply management devices and electrical equipment N.
A kind of external mutual-inductor type connection method of power supply management device, which is characterized in that the connection method includes：1）The
The exchange input interface of one power supply management device is articulated on service cable, is supplied by service cable to the first power supply management device
Electricity；2）The equipment power supply interface of first power supply management device connects the first electrical equipment, for completing to the first electrical equipment
Power supply management；3）The first Current Mutual Inductance is accessed behind power supply line's connector of the first power supply management device on service cable
Device is used for the subsequent power supply load current of detection cable；4）Using loop power supply output/external current sample multiplex interface as external
Current sample interface uses, and the external current sample interface of the first power supply management device connects the first current transformer, for examining
Survey the size of current at the first current transformer；5）It is mutual that the exchange input interface of second power supply management device is articulated in the first electric current
On service cable behind sensor, before the second current transformer；6）The equipment power supply interface of second power supply management device connects
Second electrical equipment, for managing the power supply of the second electrical equipment；7）The detection of second current transformer is mounted on second for fulgurite
Behind the power supply wire terminal for managing device, for detecting the load current of the subsequent electrical equipment of the second power supply management device；With this
Analogize, third power supply management device to N power supply management device is respectively used to management third electrical equipment to N electrical equipment
Power supply, third current transformer to N current transformer are used to detect load current thereafter.
The beneficial effects of the invention are as follows：According to the technical solution of the present invention in addition to can be to each street lamp on street lamp
Load and electricity consumption are managed outer, additionally it is possible to effectively be loaded to various kinds of equipment of the carry on street lamp post and electricity consumption
Management.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings：
Fig. 1 is the structural block diagram of power supply management device；
Fig. 2 is the schematic diagram of built-in tandem type connection；
Fig. 3 is the schematic diagram of external mutual-inductor type connection；
Fig. 4 is the electrical block diagram of power supply management device；
Fig. 5 is the structural schematic diagram of current sample mode selector；
Fig. 6 is the structural schematic diagram of built-in cascade current sampling；
Fig. 7 is the structural schematic diagram of external transformer current sampling；
Fig. 8 is the structural schematic diagram of external transformer current sampling protecting field；
Fig. 9 is the structural schematic diagram of voltage sample adjustment circuit；
Figure 10 is the structural schematic diagram of current sample adjustment circuit；
The invention will be further described with reference to the accompanying drawings and embodiments.
Specific embodiment
Present invention is further described in detail With reference to embodiment：
The present invention, which is managed the equipment of carry on lamp stand, to be completed by a wireless street lamp micro-base station power supply management device, this
Invention is referred to as power supply management device for convenience, by wireless street lamp micro-base station power supply management device.
Fig. 1 is the structural block diagram of power supply management device.The power supply management device includes：Exchange input interface, equipment power supply
Totally 4 parts form for interface, loop power supply output/external current sample multiplex interface, radio antenna.
The present invention is powered management to the equipment of carry on street lamp post by the completion of multiple power supply management devices, according to pipe
The load total current of the electrical equipment of reason is of different sizes, and power supply management device is divided into for electrically connected method：1）Built-in tandem type
Connection；2）External mutual-inductor type connection, totally 2 kinds of connection methods.
Loop power supply output/external current sample multiplex interface of the invention is a multifunctional multiplexing interface.It is born always
When carrying electric current≤10A electric current, using built-in tandem type connection method, loop power supply output/external current sample multiplex interface is made
For loop power supply output function, for completing the power supply management of carry equipment on street lamp post.In total load current > 10A,
Using external mutual-inductor type connection method, loop power supply output/external current sample multiplex interface is as external current sample function
Can, external external current sampling mutual inductor realizes the power supply management of high current electrical equipment.
Fig. 2 is the schematic diagram of built-in tandem type connection.The built-in tandem type connection is for connecting multistage power supply management device
It picks up and, specifically include：
1）By the exchange input interface of supply input connection first order power supply management device, first order power supply management device is completed
Supply input；
2）The electrical equipment of carry, is completed to street lamp on the equipment power supply interface connection street lamp post of first order power supply management device
The electrical equipment of carry on lamp stand, such as street illumination lamp（As shown in the figure）, power supply management, realize streetlamp foundation illumination
Management；
3）In built-in tandem type connection method, using loop power supply output/external current sample multiplex interface as loop power supply
Output interface uses, the exchange of the loop power supply output interface connection second level power supply management device of first order power supply management device
Input interface is powered input to second level power supply management device.The equipment power supply interface of second level power supply management device connects
The electrical equipment A for connecing carry on street lamp post, for completing the power supply management of electrical equipment A；
4）The exchange input of the loop power supply output interface connection third level power supply management device of second level power supply management device connects
Mouthful, input is powered to third level power supply management device；
5）And so on, complete the power supply management of N grades of power supply management devices and electrical equipment N.
In built-in tandem type connection method of the invention, one electricity consumption of equipment power supply interface management of power supply management device is set
Standby, first power supply management device completes the power supply management of street illumination lamp, and loop power supply output interface is completed to cascade below
All power supply management devices and electrical equipment power supply management.
Fig. 3 is the schematic diagram of external mutual-inductor type connection.The external mutual-inductor type connection method is used for current supply circuit electric current
Biggish application scenarios, specifically include：
1）The exchange input interface of power supply management device 1 is articulated on service cable, by service cable to power supply management device 1
Power supply；
2）The equipment power supply interface of power supply management device 1 connects electrical equipment, such as street illumination lamp（As shown in the figure）, it is used for
The power supply management of street illumination lamp is completed, realizes streetlamp foundation illumination supervision；
3）A current transformer 1 is accessed behind power supply line's connector of power supply management device 1 on service cable, for examining
Survey the subsequent power supply load current of cable；
4）In external mutual-inductor type connection method, using loop power supply output/external current sample multiplex interface as external electricity
It flows Sampling Interface to use, the external current sample interface of power supply management device 1 connects current transformer 1, mutual for detecting electric current
Size of current at sensor 1；
5）The exchange input interface of power supply management device 2 is articulated in behind current transformer 1, the power supply of 2 front of current transformer
On cable；
6）The equipment power supply interface of power supply management device 2 connects electrical equipment A, for managing the power supply of electrical equipment A；
7）The detection of current transformer 2 is mounted on behind the power supply wire terminal of power supply management device 2, for detecting power supply management device
The load current of 2 subsequent electrical equipments；
8）And so on, power supply management device 3 to power supply management device N is respectively used to management electrical equipment B to electrical equipment N's
Power supply, current transformer 3 to current transformer N are used to detect load current thereafter.
In above-mentioned external mutual-inductor type connection method, the electricity consumption that each managing device completes the access of equipment power supply interface is set
Standby power supply, current transformer management be all electrical equipment load currents thereafter summation.
Fig. 4 is the electrical block diagram of power supply management device.The power supply management device includes exchange input interface, equipment
Power supply interface, loop power supply output/external current sample multiplexing functions interface, AC/DC power module, voltage sample mutual inductor,
Voltage sample adjustment circuit, equipment control switch 1, cascade Mach-Zehnder interferometer switch 2, current sample mode selector, current transformer
1, current transformer 2, current sample adjustment circuit, sampled reference source, CPU processor, wireless communication module, wireless communication day
Line.Wherein：
1, input interface is exchanged, for the exchange input of equipment power supply, connects exchange input respectively with tri- pins of L, E, N
Firewire, protecting field, zero curve；
2, equipment power supply interface has tri- pins of L, E, N, gives quilt respectively for being powered management to the equipment being managed
The access of management equipment offer firewire, protecting field, zero curve；
3, loop power supply output/external current sample multiplexing functions interface, supplies for the circuit in built-in tandem type connection method
Electricity output, and for the connection of the external current transformer in external mutual-inductor type connection method, there is L/S+, E/S-, N tri-
A pin when as loop power supply output function, provides firewire, protecting field, zero curve to next stage power supply management device respectively
Access, when as external current sample function, for connecting S+, S- of external current transformer；
4, AC/DC power module, for AC power source to be converted to DC power supply, in power supply management device other circuits and
Module provides working power；
5, the alternating voltage of supply input is carried out isolation signals conversion, in order to carry out voltage sample by voltage sample mutual inductor；
The voltage sample mutual inductor carries out the conversion of voltage signal using the voltage isolation transformer of TV1005-1M high precision；
6, voltage sample adjustment circuit, for being adjusted before the information of voltage sampling after converting isolation signals, what guarantee was sampled
Signal waveform, phase, volt value is undistorted is sampled by sampling unit, and improves the sampling precision of voltage sample；
The voltage sample adjustment circuit completes the phase compensation of input voltage signal using LM358 operational amplifier, in proportion contracts
It puts, drive and follow tertiary treatment；
7, equipment control switch 1 controls the power switch of signal management equipment power supply interface by CPU IO；
The equipment control switch 1 is powered control using HF152F relay, completes no more than 5A current flow devices for fulgurite
Reason；
8, cascade Mach-Zehnder interferometer switch 2 controls the output of signal management loop power supply by CPU IO in built-in tandem type connection method
The power switch of interface；
The cascade Mach-Zehnder interferometer switch 2 is powered control using HF2150 relay, completes the power supply for being no more than 10A current flow devices
Management；
9, current sample mode selector, for electric current in built-in tandem type connection method and external mutual-inductor type connection method
The selection of sampling configuration；
10, current transformer 1, the current signal of the load equipment for connecting equipment power supply interface carry out isolation signals and turn
It changes, in order to carry out current sample；
11, current transformer 2, the subsequent confession in built-in tandem type connection method, for connecting loop power supply output interface
The current signal of electric loading carries out isolation signals conversion, in external mutual-inductor type connection method, for external electric current is mutual
The current signal of sensor carries out isolation signals conversion, which is used to the current signal of conversion carry out current sample；
The current transformer that the current transformer 1,2 is all made of TA1005-1M high precision carries out the conversion of current signal；
12, current sample adjustment circuit, the signal for converting current transformer 1 and 2 carry out sampling preceding adjustment, and guarantee is adopted
The signal waveform of sample, phase, volt value is undistorted is sampled by sampling unit, and improves the precision of two-way current sample；
The current sample adjustment circuit completes the phase compensation of input current signal using LM358 operational amplifier, in proportion contracts
It puts, drive and follow tertiary treatment；
13, sampled reference source provides a sampling high-precision 1V sampled reference source to improve the sampling precision of voltage and current
High-precision signal adjustment is carried out to voltage sample adjustment circuit and current sample adjustment circuit；
The sampled reference power supply completes the reference voltage of high-precision 1V using TL431；
14, CPU processor, which is used for the voltage signal to power supply management device, two-way current signal carries out ADC and adopts
Sample, and the power consumption and electricity consumption of the equipment according to the calculating equipment power supply interface connection of voltage and current value, while this is calculated for fulgurite
The total electricity consumption for managing device subsequent power supply management device and electrical equipment, sentences according to the threshold values of CPU processor internal preset
The electric current of the equipment of disconnected equipment power supply interface connection is lower greatly and whether electricity consumption has been more than preset threshold, if being more than preset threshold,
The power supply that pin cuts off electrical equipment is then controlled by IO；
The processor completes the acquisition and electricity consumption of the electric current, voltage of power supply management device using STM32F103RC arm processor
The calculating of amount；
15, wireless communication module, according to the instruction of CPU processor, module is by the electric current of power supply management, electricity by wireless communication
Pressure, power consumption data by wireless communication antenna transmission to administrative department；
The wireless communication module is completed to lead with other electric energy metering devices or management using SX1278 wireless data transfer module
The communication of machine；
16, radio antenna, transmitting and reception for wireless signal.
Equipment control switch 1 of the invention is defaulted as always-on, real by the IO control hardware of CPU using control relay
Existing switch control, normally opened contact NO and intermediate contact CO by controlling relay realize that the switch of power supply unit is powered.This hair
Bright cascade Mach-Zehnder interferometer switch 2 is defaulted as normally closed mode, controls hardware realization switch control by the IO of CPU using control relay,
The switch power supply of loop power supply output is realized by the normally opened contact and intermediate contact that control relay.
Fig. 5 is the structural schematic diagram of current sample mode selector.Electric current in power supply management device of the invention is adopted
Sample mode selector by 1,2,3 totally 3 short-circuited terminals form, pass through following connection type realize current sample mode choosing
It selects, connection type is：1）The firewire L pin for exchanging input interface passes through No. 1 terminal phase of 2 relay of cascade Mach-Zehnder interferometer and selection device
Connection；2）No. 2 terminals of selection device pass through current transformer 2 and loop power supply output/external current sample multiplexing functions interface
L/S+ connection；3）The protecting field E pin of exchange input interface is connected with No. 3 terminals of selection device, while and loop power supply
The E/S- connection of output/external current sample multiplexing functions interface；4）Zero curve N pin and the loop power supply for exchanging input interface are defeated
The N connection of out/external current sample multiplexing functions interface.
Loop power supply output/external current sample multiplexing functions interface is as two kinds of function in power supply management device of the invention
It can multiplexing：1）When as loop power supply output function, there is firewire L, tri- protecting field E, zero curve N pins；2）As external electricity
When flowing sampling functions, there are two pins of external mutual inductor S+, S-；Firewire L when the present invention is by loop power supply output function and
Mutual inductor S+ is multiplexed on a pin when external current sample function, protecting field E when by loop power supply output function and outer
Mutual inductor S- is multiplexed on a pin when setting current sample function.
Fig. 6 is the structural schematic diagram of built-in cascade current sampling.The loop power supply output of power supply management device of the invention/
Current sample mode is when external current sample multiplexing functions interface is as loop power supply output function：1）Selection device short circuit 1,
No. 2 terminals；2）The firewire L of exchange input is connected by 2 relay of cascade Mach-Zehnder interferometer with No. 1 terminal of selection device, passes through 2 terminals
By the firewire pin L connection of 2 power supply to the device output interface of overcurrent mutual inductor, it is powered to junior's power supply management device
Input, the power supply of junior's power supply management device pass through the zero curve N pin phase of zero curve N and loop power supply output interface after overload
Connection, loop power supply output interface zero curve N are returned with input zero curve N connection, formation is exchanged to what junior's power supply management device was powered
Road；3）Current supply circuit is carried out by current transformer 2 to be galvanically isolated conversion, then inputs to the progress of current sample adjustment circuit
CPU module is inputed to after signal adjustment to be sampled.
Fig. 7 is the structural schematic diagram of external transformer current sampling.The loop power supply of power supply management device of the invention is defeated
Current sample mode is when out/external current sample multiplexing functions interface is as external current sample function：1）Selection device is short
Connect 2, No. 3 terminals；2）After external D.C mutual-inductor detects the high current on external cable, by the S+ of external current transformer and
The S+ pin of external current sample interface is connected, and is then connected by No. 2 terminals of current transformer 2 and selection device
It connects, is connected by No. 3 terminals of selection device with the S- pin of external current sample interface, and pass through external current sample S-
Pin is connected with the S- of external D.C mutual-inductor, forms external current detection circuit；3）By current transformer 2 to current detecting
Circuit carries out being galvanically isolated conversion, then input to current sample adjustment circuit carry out signal adjustment after input to CPU module into
Row sampling.
Fig. 8 is the structural schematic diagram of external transformer current sampling protecting field.The circuit of power supply management device of the invention
When for electricity output/external current sample multiplexing functions interface as external current sample function, external D.C mutual-inductor S- passes through
The S-/E pin of external current sample interface is connected with the protecting field E pin for exchanging input interface, avoids external AC mutual induction
The appearance of device high-voltage pulse signal, the safety accident for avoiding result in the person and equipment occur.
Built-in tandem type connection method of the invention can control all dresses below by the cascade Mach-Zehnder interferometer switch 2 in device
Set the power supply with electrical equipment, detect loop power supply output interface connection power load electric current be more than 10A electric current or
When preset current threshold, cascade Mach-Zehnder interferometer switch 2 can be disconnected, interrupts the power supply to all devices and electrical equipment below.
External mutual-inductor type connection method of the invention is detecting that the load current in service cable is more than cable load
When capacity or predetermined current threshold values, it is first shut off the power supply of the electrical equipment of appliance arrangement power supply interface, with protection power supply electricity
The power supply safety of cable, then antenna sends load current alarm of transfiniting in other devices by wireless communication, notifies other
Device cuts off the power supply of the electrical equipment of the equipment power supply interface of itself, to guarantee the power supply safety of service cable.
Cascade Mach-Zehnder interferometer switch 2 in the device of the invention is using normally closed mode is defaulted, so that device is handed in normal work
Stream input interface and loop power supply output interface remain on state, when the load capacity of follow up device management surmounts
When the maximum threshold or follow up device of CPU processor setting need to carry out repair and replacement, CPU processor passes through control signal
Line traffic control bus loop power switch disconnects loop power supply.
Equipment control switch 1 in the device of the invention is using default always-on, so that the power load being managed is set
In power supply off-state, the timer that only CPU processor receives inside wireless instructions or CPU processing refers to standby default
It enables, just opens the power supply to power load equipment；Each device uses timesharing control to the unlatching power supply of power load equipment simultaneously
System, avoids carrying out unlatching power supply to power load equipment simultaneously, causes current supply circuit starting current excessive and burn power supply line
The problem of occur；When the power consumption of power load equipment is excessive, or the electric energy of consumption has been more than the threshold values set in CPU processor
When, CPU processor controls load equipment power switch by control signal wire, disconnects the power supply to power load equipment.
Fig. 9 is the structural schematic diagram of voltage sample adjustment circuit.Voltage sample adjustment circuit of the invention by：1, voltage is mutual
Sensor；2, phase-adjusting circuit；3, voltage branch circuit；4, over-voltage protector；5, operational amplification circuit；6, driving follows electricity
Totally 6 parts form on road.
Figure 10 is the structural schematic diagram of current sample adjustment circuit.Current sample adjustment circuit of the invention by：1, electric current
Mutual inductor；2, phase-adjusting circuit；3, electric current turns potential circuit；4, over-voltage protector；5, operational amplification circuit；6, driving with
With circuit, totally 6 parts are formed.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of the claim
Subject to enclosing.
Claims (15)
1. a kind of micro-base station power supply management device, which includes exchange input interface, equipment power supply interface, circuit
For electricity output/external current sample multiplexing functions interface, radio antenna, it is characterised in that：
Input interface is exchanged, for the exchange input of equipment power supply, connects the fire of exchange input respectively with tri- pins of L, E, N
Line, protecting field, zero curve；
Equipment power supply interface has tri- pins of L, E, N, respectively to by pipe for being powered management to the equipment being managed
It manages equipment and the access of firewire, protecting field, zero curve is provided；
Loop power supply output/external current sample multiplexing functions interface, for the loop power supply in built-in tandem type connection method
Output, and for the connection of the external current transformer in external mutual-inductor type connection method.
2. power supply management device according to claim 1, it is characterised in that：
The power supply management device further includes AC/DC power module, voltage sample mutual inductor, voltage sample adjustment circuit, equipment control
Make switch 1, cascade Mach-Zehnder interferometer switch 2, current sample mode selector, current transformer 1, current transformer 2, current sample tune
Whole circuit, sampled reference source, CPU processor, wireless communication module.
3. power supply management device according to claim 2, it is characterised in that：The equipment control switch 1 is defaulted as normally opened
Mode controls hardware realization switch control by the IO of CPU processor using control relay, by the normally opened touching for controlling relay
Point NO and intermediate contact CO realizes the switch power supply of power supply unit.
4. power supply management device according to claim 2, it is characterised in that：The cascade Mach-Zehnder interferometer switch 2 is defaulted as normally closed
Mode controls hardware realization switch control by the IO of CPU processor using control relay, by the normally opened touching for controlling relay
Point and intermediate contact realize the switch power supply of loop power supply output.
5. power supply management device according to claim 2, it is characterised in that：
The voltage sample adjustment circuit includes voltage transformer, phase-adjusting circuit, voltage branch circuit, overvoltage protector
Part, amplifier amplifying circuit, driving follow circuit；
The current sample adjustment circuit includes that current transformer, phase-adjusting circuit, electric current turn potential circuit, overvoltage protector
Part, operational amplification circuit, driving follow circuit.
6. power supply management device according to claim 1 or 2, it is characterised in that：
When the loop power supply output/external current sample multiplexing functions interface is as external current sample function, external exchange
Mutual inductor S- is connected by the S-/E pin of external current sample interface with the protecting field E pin for exchanging input interface.
7. power supply management device according to claim 1 or 2, it is characterised in that：
Loop power supply output/external current sample multiplexing functions the interface has tri- pins of L/S+, E/S-, N, as circuit
When output function of powering, the access of firewire, protecting field, zero curve is provided to next stage power supply management device respectively, as external electricity
When flowing sampling functions, for connecting S+, S- of external current transformer.
8. power supply management device according to claim 2, it is characterised in that：
The CPU processor, which is used for the voltage signal to power supply management device, two-way current signal carries out ADC and adopts
Sample, and the power consumption and electricity consumption of the equipment according to the calculating equipment power supply interface connection of voltage and current value, while this is calculated for fulgurite
The total electricity consumption for managing device subsequent power supply management device and electrical equipment, sentences according to the threshold values of CPU processor internal preset
The electric current of the equipment of disconnected equipment power supply interface connection is lower greatly and whether electricity consumption has been more than preset threshold, if being more than preset threshold,
The power supply that pin cuts off electrical equipment is then controlled by IO；
The processor completes the acquisition and electricity consumption of the electric current, voltage of power supply management device using STM32F103RC arm processor
The calculating of amount.
9. power supply management device according to claim 2, it is characterised in that：
The current sample adjustment circuit, the signal for converting current transformer 1 and 2 carry out sampling preceding adjustment, guarantee quilt
The signal waveform of sampling, phase, volt value is undistorted is sampled by sampling unit, and improves the precision of two-way current sample；
The current sample adjustment circuit completes the phase compensation of input current signal using LM358 operational amplifier, in proportion contracts
It puts, drive and follow tertiary treatment.
10. power supply management device according to claim 2, it is characterised in that：
The current transformer 1, the current signal of the load equipment for connecting equipment power supply interface carry out isolation signals and turn
It changes, in order to carry out current sample；
The current transformer 2, the subsequent confession in built-in tandem type connection method, for connecting loop power supply output interface
The current signal of electric loading carries out isolation signals conversion, in external mutual-inductor type connection method, for external electric current is mutual
The current signal of sensor carries out isolation signals conversion, which is used to the current signal of conversion carry out current sample；
The current transformer that the current transformer 1,2 is all made of TA1005-1M high precision carries out the conversion of current signal.
11. power supply management device according to claim 2, it is characterised in that：
The current sample mode selector, for the selection of current sample mode in built-in tandem type connection method and external
The selection of current sample mode in mutual-inductor type connection method；
The current sample mode selector by 1,2,3 totally 3 short-circuited terminals form, pass through following connection type realize electric current
The selection of sampling configuration, connection type are：1）The firewire L pin for exchanging input interface passes through 2 relay of cascade Mach-Zehnder interferometer and selection
No. 1 short-circuited terminal of device is connected；2）No. 2 short-circuited terminals of selection device by current transformer 2 and loop power supply output/it is external
The L/S+ connection of current sample multiplexing functions interface；3）Exchange No. 3 shorted ends of protecting field E pin and selection device of input interface
Son is connected, while connecting with loop power supply output/external current sample multiplexing functions interface E/S-；4）Exchange input interface
Zero curve N pin and loop power supply output/external current sample multiplexing functions interface N connect.
12. power supply management device according to claim 11, which is characterized in that electricity in the built-in tandem type connection method
The selection of stream sampling configuration specifically includes：
1）Selection device is shorted 1, No. 2 terminal；2）The firewire L of exchange input passes through 2 relay of cascade Mach-Zehnder interferometer and selection device 1
Terminal connection, by, through the firewire pin L connection of 2 power supply to the device output interface of overcurrent mutual inductor, giving junior after 2 terminals
Power supply management device is powered input, and the power supply of junior's power supply management device passes through zero curve N and loop power supply after overload
The zero curve N pin of output interface is connected, loop power supply output interface zero curve N with exchange input zero curve N connection, formation to junior
The circuit of power supply management device power supply；3）Current supply circuit is carried out by current transformer 2 to be galvanically isolated conversion, is then inputed to
CPU module is inputed to after the progress signal adjustment of current sample adjustment circuit to be sampled.
13. power supply management device according to claim 11, which is characterized in that in the external mutual-inductor type connection method
The selection of current sample mode specifically includes：
1）Selection device is shorted 2, No. 3 terminals；2）It, will be external after external D.C mutual-inductor detects the high current on external cable
The S+ of current transformer is connected with the S+ pin of external current sample interface, then passes through current transformer 2 and selection device
No. 2 terminals be attached, be connected by No. 3 terminals of selection device with the S- pin of external current sample interface, and lead to
It crosses external current sample S- pin to connect with the S- of external D.C mutual-inductor, forms external current detection circuit；3）Pass through electric current
Mutual inductor 2 carries out current detection circuit to be galvanically isolated conversion, then inputs to current sample adjustment circuit and carries out signal adjustment
After input to CPU module and sampled.
14. a kind of built-in tandem type connection method of power supply management device as described in one of claim 1 to 13, the connection side
Method is for multistage power supply management device to be attached, which is characterized in that the connection method includes：
1）By the exchange input interface of supply input connection first order power supply management device, first order power supply management device is completed
Supply input；
2）The equipment power supply interface of first order power supply management device connects electrical equipment, completes the power supply to first order electrical equipment
Management；
3）It is used using loop power supply output/external current sample multiplex interface as loop power supply output interface, first order power supply
The exchange input interface of the loop power supply output interface connection second level power supply management device of managing device, to the second level for fulgurite
Reason device is powered input；
The equipment power supply interface of second level power supply management device connects second level electrical equipment, for completing second level electrical equipment
Power supply management；
4）The exchange input of the loop power supply output interface connection third level power supply management device of second level power supply management device connects
Mouthful, input is powered to third level power supply management device；
And so on, complete the power supply management of N grades of power supply management devices and electrical equipment N.
15. a kind of external mutual-inductor type connection method of power supply management device as described in one of claim 1 to 13, feature
It is, which includes：
1）The exchange input interface of first power supply management device is articulated on service cable, by service cable to first for fulgurite
Manage device power supply；
2）The equipment power supply interface of first power supply management device connects the first electrical equipment, for completing to the first electrical equipment
Power supply management；
3）The first current transformer is accessed behind power supply line's connector of the first power supply management device on service cable, is used for
The subsequent power supply load current of detection cable；
4）It is used using loop power supply output/external current sample multiplex interface as external current sample interface, first for fulgurite
The external current sample interface for managing device connects the first current transformer, big for detecting electric current at the first current transformer
It is small；
5）The exchange input interface of second power supply management device is articulated in behind the first current transformer, before the second current transformer
On the service cable in face；
6）The equipment power supply interface of second power supply management device connects the second electrical equipment, for managing the confession of the second electrical equipment
Electricity；
7）The detection of second current transformer is mounted on behind the power supply wire terminal of the second power supply management device, is supplied for detecting second
The load current of the electric subsequent electrical equipment of managing device；
And so on, third power supply management device to N power supply management device is respectively used to management third electrical equipment to N use
The power supply of electric equipment, third current transformer to N current transformer are used to detect load current thereafter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810575302.XA CN108828304A (en) | 2018-06-06 | 2018-06-06 | A kind of micro-base station power supply management device and connection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810575302.XA CN108828304A (en) | 2018-06-06 | 2018-06-06 | A kind of micro-base station power supply management device and connection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108828304A true CN108828304A (en) | 2018-11-16 |
Family
ID=64144038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810575302.XA Pending CN108828304A (en) | 2018-06-06 | 2018-06-06 | A kind of micro-base station power supply management device and connection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108828304A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109004745A (en) * | 2018-06-30 | 2018-12-14 | 江苏恒宝智能系统技术有限公司 | A kind of micro-base station power supply management device and connection method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6975926B2 (en) * | 2002-11-08 | 2005-12-13 | Usa Technologies, Inc. | Method and apparatus for power management control of a compressor-based appliance that reduces electrical power consumption of an appliance |
| CN104199387A (en) * | 2014-02-27 | 2014-12-10 | 中节能唯绿（北京）建筑节能科技有限公司 | Multi-parameter multi-calendar terminal electrical equipment gathering control device |
| CN104936336A (en) * | 2014-03-21 | 2015-09-23 | 杭州智尔科技有限公司 | Intelligent street lamp control system and realization method |
| CN105242649A (en) * | 2015-09-11 | 2016-01-13 | 董锐 | Energy efficiency monitoring and energy-saving system for communication base station, and implementation method therefor |
| CN205793578U (en) * | 2016-04-25 | 2016-12-07 | 武汉汇行通科技有限公司 | Wireless controller for road lamp for variable power Inductive ballast |
| CN106972571A (en) * | 2017-04-14 | 2017-07-21 | 成都微智创远科技有限公司 | Mass termination intelligent charging system and its method |
| CN107785931A (en) * | 2017-10-16 | 2018-03-09 | 电子科技大学 | A kind of small-sized electric energy management is with coordinating control integrated apparatus |
| CN207134804U (en) * | 2017-09-05 | 2018-03-23 | 北京友信宏科电子科技股份有限公司 | A kind of tandem type energy storage converter device utilized based on different battery modules differentiation |
| CN207457370U (en) * | 2017-09-22 | 2018-06-05 | 武汉微智创大科技有限公司 | A kind of three-phase multiple loop radio energy harvester |
-
2018
- 2018-06-06 CN CN201810575302.XA patent/CN108828304A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6975926B2 (en) * | 2002-11-08 | 2005-12-13 | Usa Technologies, Inc. | Method and apparatus for power management control of a compressor-based appliance that reduces electrical power consumption of an appliance |
| CN104199387A (en) * | 2014-02-27 | 2014-12-10 | 中节能唯绿（北京）建筑节能科技有限公司 | Multi-parameter multi-calendar terminal electrical equipment gathering control device |
| CN104936336A (en) * | 2014-03-21 | 2015-09-23 | 杭州智尔科技有限公司 | Intelligent street lamp control system and realization method |
| CN105242649A (en) * | 2015-09-11 | 2016-01-13 | 董锐 | Energy efficiency monitoring and energy-saving system for communication base station, and implementation method therefor |
| CN205793578U (en) * | 2016-04-25 | 2016-12-07 | 武汉汇行通科技有限公司 | Wireless controller for road lamp for variable power Inductive ballast |
| CN106972571A (en) * | 2017-04-14 | 2017-07-21 | 成都微智创远科技有限公司 | Mass termination intelligent charging system and its method |
| CN207134804U (en) * | 2017-09-05 | 2018-03-23 | 北京友信宏科电子科技股份有限公司 | A kind of tandem type energy storage converter device utilized based on different battery modules differentiation |
| CN207457370U (en) * | 2017-09-22 | 2018-06-05 | 武汉微智创大科技有限公司 | A kind of three-phase multiple loop radio energy harvester |
| CN107785931A (en) * | 2017-10-16 | 2018-03-09 | 电子科技大学 | A kind of small-sized electric energy management is with coordinating control integrated apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109004745A (en) * | 2018-06-30 | 2018-12-14 | 江苏恒宝智能系统技术有限公司 | A kind of micro-base station power supply management device and connection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204335015U (en) | A kind ofly support the fiery switch of the list of wireless two-way communication | |
| CN105207237A (en) | Distribution network three-phase load unbalance adjusting control system | |
| CN103488159A (en) | Distribution box type smart home terminal and comprehensive protection controller | |
| CN104955237A (en) | Intelligent switch adopting single firewire to obtain power and control method | |
| CN209247881U (en) | A kind of wireless street lamp micro-base station electric energy metering device | |
| CN109149915A (en) | Power-switching circuit, charging unit and system | |
| CN207518328U (en) | A kind of terminal device and wireless charging system | |
| CN207523471U (en) | A kind of Split type electric motor-car charging equipment | |
| CN108828304A (en) | A kind of micro-base station power supply management device and connection method | |
| CN109061292A (en) | A kind of wireless street lamp micro-base station electric energy metering device and connection method | |
| CN109004745A (en) | A kind of micro-base station power supply management device and connection method | |
| CN205960338U (en) | Power extension line that can regularly cut -off | |
| CN115047244A (en) | Intelligent switch ammeter and control method | |
| CN107933370A (en) | A kind of charging unit and a kind of charging pile | |
| CN204243535U (en) | Distribution box | |
| CN107706975A (en) | A kind of method and system of the automatic distribution power of wireless charging router | |
| CN111463903A (en) | Wisdom lamp pole switch board | |
| CN207426991U (en) | Portable metering special power box | |
| CN207053251U (en) | A kind of grid entry point supervising device of family expenses photovoltaic generating system | |
| CN207218558U (en) | A kind of power-supply system of intelligent electric meter | |
| CN206908601U (en) | Bandwidth carrier communication test system and R-T unit | |
| CN217983231U (en) | Cloud distribution intelligent circuit breaker | |
| CN206686422U (en) | A kind of street lighting monitoring system | |
| CN201260259Y (en) | Lighting single lamp monitoring and failure monitoring device | |
| CN206378526U (en) | A kind of use A/D automatic electricity-testing and phase checking device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20191223 Address after: 361013 Room 501, No.42, Guanren Road, Siming District, Xiamen City, Fujian Province Applicant after: Ye Yirong Address before: 430074 Hubei Wuhan East Lake high tech Zone, Optics Valley Road, 3 Island 2 units Applicant before: Ma Shan Yang Communication Technology Co. Ltd. |
|
| TA01 | Transfer of patent application right | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181116 |
|
| WD01 | Invention patent application deemed withdrawn after publication |