CN208835749U - A kind of power supply unit for micro-base station controller - Google Patents
A kind of power supply unit for micro-base station controller Download PDFInfo
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- CN208835749U CN208835749U CN201820869853.2U CN201820869853U CN208835749U CN 208835749 U CN208835749 U CN 208835749U CN 201820869853 U CN201820869853 U CN 201820869853U CN 208835749 U CN208835749 U CN 208835749U
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Abstract
The utility model relates to a kind of power supply units for micro-base station controller, the power supply unit can provide DC12V, DC5V, DC3.3V tri- kinds of direct currents respectively, and the power supply unit includes AC/DC12V power circuit, DC/DC5V power circuit, DC/DC3.3V power circuit, battery charge-discharge circuit and battery pack.The power supply unit of the utility model can be realized a variety of outputs for meeting power demands, and can be powered when cutting off AC220V input by battery pack.
Description
Technical field
The utility model relates to wisdom illumination, smart city field, especially a kind of power supplies for micro-base station controller
Equipment.
Background technique
In road lighting field, most road lamp carries out circuit switching control using A.C. contactor, by fixed
When time control equipment control contactor to street lamp loop power realize road lamp power switch, the method for controlling street lamps i.e. cannot
The independent switch control for realizing street lamp can not realize the brightness adjustment control of street lamp, while it is former to occur turning off the light to the street lamp in circuit
Barrier can not be found in time, so that road lamp maintenance needs to put into a large amount of manpower and material resources.
In the field of home lighting with industrial park, illumination of plant building field, most of lamps and lanterns are using wall switch, switch knob
Lamp carry out manual switch, often occur in use personnel leave rear lighting lamp tool be still in lighting lamp state, that is, waste
Electric energy, and reduce illuminator service life.
There is the manufacturer of part on Vehicles Collected from Market to realize the automation switch control of street lamp, though the single-lamp controller of design
It so can be realized the switch control of the illuminator of automation and the fault detection of lamps and lanterns, but these products nearly all use electricity
Can metering chip detect illuminator power consumption, judged according to lamps and lanterns power consumption lamps and lanterns whether failure；These electric energy meters
It is complicated to measure the usual peripheral circuit of chip, it is expensive, cause controller failure point more, is easily damaged；Simultaneously for electrical energy measurement
The parameters such as electric current, voltage, power, electric energy, when production, each equipment required to carry out individually measuring correction, and rectified an instrument
Expensive, production technology is smooth complicated, causes production cost high；Some electric energy computation chip peripheral circuits are using isolation
Current transformer and voltage transformer carry out electrical energy parameter sampling, but the usual volume of this single-lamp controller is larger, and electricity is isolated
Current transformer and voltage transformer are indispensable；Some electric energy computation chip peripheral circuits carry out electricity using non-isolated bleeder circuit
Energy parameter sampling, but this single-lamp controller is not due to having using isolation circuit, it is easy to cause its own by the sense on route
Answer that thunder and lightning is broken or the high-pressure electrostatic on route, surge pulse group are broken, this kind of single-lamp controller needs additionally when in use
The expensive lightning-protection module of configuration just can guarantee its safe and reliable work.
Currently marketed illuminator usually to single-lamp controller do not need so complicated so high-precision electric current,
The sampling of the parameters such as voltage, active power, reactive power, apparent energy, power factor (PF), electric energy statistics, mostly just needs out
Control and breakdown judge of turning off the light are closed, is that also it is only necessary to a dimming functions for large-power lamp, from circuit design
Reliability perspectives set out, and single-lamp controller circuit is simpler, and failure rate is lower.
The carry micro- station of numerous electrical equipments such as camera, 4G, 5G, traffic radar etc. on current street lamp post, these set
The standby power supply power supply for all borrowing street lamp, when in order to guarantee power supply on equipment daytime, street lamp bulb is in close state, it usually needs is changed
It individually is laid with service cable to electrical equipment, construction work amount is huge.These defects mentioned above have become urgent need solution
Certainly the technical issues of.
Utility model content
In order to solve the above problem in the prior art, the utility model devises a kind of confession for micro-base station controller
Electric equipment can be realized a variety of outputs for meeting power demands.
The utility model adopts the technical scheme that
A kind of power supply unit for micro-base station controller, the power supply unit can provide respectively DC12V, DC5V,
Tri- kinds of direct currents of DC3.3V, it is characterised in that:
The power supply unit includes AC/DC12V power circuit, DC/DC5V power circuit, DC/DC3.3V power circuit, electricity
Pond charge-discharge circuit and battery pack;
AC/DC12V power circuit connects AC220V exchange input, and will exchange input to be converted into DC12V/12W direct current defeated
Out to DC/DC5V power circuit and battery charge-discharge circuit；
Battery charge-discharge circuit is separately connected AC/DC12V power circuit and battery pack, which will access
DC12V direct current by conversion after give battery pack charging；
DC/DC5V power circuit connects AC/DC12V power circuit, which uses MP1584 power supply pipe
It manages chip and DC12V direct current is converted into DC5V direct current；
DC/DC3.3V power circuit connects DC/DC5V power circuit, and the DC/DC3.3V power circuit is using HT7133 electricity
Source control chip, for DC5V direct current to be converted to DC3.3V direct current.
Further, the AC/DC12V power circuit uses parameter to input 90-264V, rated output 12V/400mA
Module, the module use Flayback route, have transformer isolation.
Further, the DC/DC5V power circuit, using MP1584 power management chip, input voltage 4.5V-
28V, output voltage are adjusted by the no-load voltage ratio of R206, R207, are detected by the FB pin of MP1584 power management chip defeated
Voltage out carries out the adjusting of internal duty ratio, to export stable and fixed voltage.
Further, the DC/DC3.3V power circuit, using three linear voltage regulator circuits and HT7133 power management
Chip is guaranteeing Vin≥VoutUnder the premise of+1.2V, adjusts to export by chip interior and stablize 3.3V voltage.
Further, the battery charge-discharge circuit uses the charging module using TP5100 as master chip, one group external
Power switching circuit.
The beneficial effects of the utility model are: can be realized a variety of outputs for meeting power demands, and can cut off
AC220V is powered when inputting by battery pack.
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 practical to this
Novel 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 schematic diagram of power supply unit；
Fig. 2 is the circuit diagram of power supply unit；
The following is a further explanation of the present invention with reference to the accompanying drawings and embodiments.
Specific embodiment
The utility model is described in further detail With reference to embodiment:
Fig. 1 is the structural schematic diagram of power supply unit.In the power supply unit of the utility model include AC/DC12V power circuit,
DC/DC5V power circuit, DC/DC3.3V power circuit, battery charge-discharge circuit and battery pack.
Wherein AC/DC12V power circuit connection AC220V exchange input, and will exchange input to be converted into DC12V/12W straight
Stream output is to DC/DC5V power circuit and battery charge-discharge circuit；Battery charge-discharge circuit is separately connected AC/DC12V power supply
Circuit and battery pack, the battery charge-discharge circuit charge the DC12V direct current of access after conversion to battery pack；DC/
DC5V power circuit connects AC/DC12V power circuit, which will using MP1584 power management chip
DC12V direct current is converted to DC5V direct current；DC/DC3.3V power circuit connects DC/DC5V power circuit, the DC/DC3.3V
Power circuit uses HT7133 power management chip, for DC5V direct current to be converted to DC3.3V direct current；The power supply power supply
Module provides tri- kinds of direct currents of DC12V, DC5V, DC3.3V respectively to be powered.
Fig. 2 is the circuit diagram of power supply unit.
AC/DC12V power circuit uses the parameter of outsourcing for input 90-264V, the module of rated output 12V/400mA,
The module uses Flayback route, transformer isolation.
DC/DC5V power circuit, using MP1584 power management chip, input voltage can be 4.5V-28V, output voltage
It is adjusted by the no-load voltage ratio of R206, R207, by the voltage of the FB pin detection output of MP1584 power management chip, is carried out
The adjusting of internal duty ratio, the voltage for keeping its output stable and fixed:
Output voltage Vout=Vfb(R206+R207)/R207, Vfb=0.8V, R206 value 210K, R207 value 40.2K, reason
V is taken by calculatingoutIt is consistent with actual test for 4.979V.
DC/DC3.3V power circuit is being guaranteed using three linear voltage regulator circuits using HT7133 power management chip
Vin≥VoutUnder the premise of+1.2V, adjusts to export by chip interior and stablize 3.3V voltage.
Battery charge-discharge circuit, uses the charging module using TP5100 as master chip, external one group of power switching circuit:
1) when A_DC12V power supply is normal, while guaranteeing to charge normal, PMOS Q201 VGS's battery pack is positive, and Q201 is closed at this time
Disconnected, B_OUT voltage is the pressure drop that A_DC12V subtracts D201, VDD_OUT=12-Vd；2) when A_DC12V supplies electrically disconnected, VGS is
Negative driving PMOS conducting, B_OUT is battery power supply, and by detecting cell voltage VBAT, detecting voltage constantly to judge battery is
It is no in the state being charged or discharged.
The battery charge-discharge circuit of the utility model is used to carry out management of charging and discharging to battery pack, sets in the control to street lamp
In the standby application scenarios being powered, when daytime, street lamp was turned off the light, the power-off of street lamp loop cable, the AC220V AC power source of input
Electric energy in battery pack is converted to DC5V, DC3.3 DC power supply by power-off, battery charge-discharge circuit.It is opened when to evening street lamp
After the lamp time arrives, street lamp loop cable power supply AC220V alternating current inputs AC220V AC power source, and battery charge-discharge circuit passes through
DC12V direct current supplies electricity to battery pack charging, just stops charging after battery pack charging complete, is powered simultaneously.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with
Subject to the scope of protection of the claims.
In the above-described embodiments, can come wholly or partly by software, hardware, firmware or any combination thereof real
It is existing.When implemented in software, it can entirely or partly realize in the form of a computer program product.The computer program
Product includes one or more computer instructions.When loading on computers and executing the computer program instructions, all or
It partly generates according to process or function described in the utility model embodiment.The computer can be general purpose computer, specially
With computer, computer network or other programmable devices.The computer instruction can store in computer-readable storage
In medium, or from a computer readable storage medium to the transmission of another computer readable storage medium, for example, the meter
Calculation machine instruction can from a web-site, computer, server or data center by wired or wireless way to another
Web-site, computer, server or data center are transmitted.The computer readable storage medium can be computer capacity
Any usable medium enough accessed either includes that the data such as one or more usable mediums integrated server, data center are deposited
Store up equipment.The usable medium can be magnetic medium, optical medium or semiconductor medium etc..
Claims (5)
1. a kind of power supply unit for micro-base station controller, the power supply unit can provide DC12V, DC5V, DC3.3V respectively
Three kinds of direct currents, it is characterised in that:
The power supply unit includes that AC/DC12V power circuit, DC/DC5V power circuit, DC/DC3.3V power circuit, battery fill
Discharge circuit and battery pack;
AC/DC12V power circuit connect AC220V exchange input, and will exchange input be converted into DC12V/12W direct current output to
DC/DC5V power circuit and battery charge-discharge circuit；
Battery charge-discharge circuit is separately connected AC/DC12V power circuit and battery pack, and the battery charge-discharge circuit is by access
DC12V direct current charges after conversion to battery pack；
DC/DC5V power circuit connects AC/DC12V power circuit, which uses MP1584 power management core
DC12V direct current is converted to DC5V direct current by piece；
DC/DC3.3V power circuit connects DC/DC5V power circuit, which uses HT7133 power supply pipe
Chip is managed, for DC5V direct current to be converted to DC3.3V direct current.
2. power supply unit according to claim 1, it is characterised in that:
The AC/DC12V power circuit uses parameter to input 90-264V, the module of rated output 12V/400mA, the module
Using Flayback route, there is transformer isolation.
3. power supply unit according to claim 1, it is characterised in that:
The DC/DC5V power circuit, using MP1584 power management chip, input voltage 4.5V-28V, output voltage is logical
The no-load voltage ratio for crossing R206, R207 is adjusted, the voltage exported by the FB pin detection of MP1584 power management chip, in progress
The adjusting of portion's duty ratio, to export stable and fixed voltage.
4. power supply unit according to claim 1, it is characterised in that:
The DC/DC3.3V power circuit is being guaranteed using three linear voltage regulator circuits and HT7133 power management chip
Under the premise of Vin >=Vout+1.2V, adjusts to export by chip interior and stablize 3.3V voltage.
5. power supply unit according to claim 1, it is characterised in that:
The battery charge-discharge circuit, uses the charging module using TP5100 as master chip, external one group of power switching circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820869853.2U CN208835749U (en) | 2018-06-06 | 2018-06-06 | A kind of power supply unit for micro-base station controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820869853.2U CN208835749U (en) | 2018-06-06 | 2018-06-06 | A kind of power supply unit for micro-base station controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208835749U true CN208835749U (en) | 2019-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820869853.2U Active CN208835749U (en) | 2018-06-06 | 2018-06-06 | A kind of power supply unit for micro-base station controller |
Country Status (1)
| Country | Link |
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| CN (1) | CN208835749U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112350428A (en) * | 2020-10-26 | 2021-02-09 | 青岛鼎信通讯股份有限公司 | Medium-voltage communication standby power system |
| CN113131602A (en) * | 2021-04-21 | 2021-07-16 | 东莞市水利勘测设计院有限公司 | Power supply method, system and equipment for water conservancy information acquisition station and readable storage medium |
-
2018
- 2018-06-06 CN CN201820869853.2U patent/CN208835749U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112350428A (en) * | 2020-10-26 | 2021-02-09 | 青岛鼎信通讯股份有限公司 | Medium-voltage communication standby power system |
| CN113131602A (en) * | 2021-04-21 | 2021-07-16 | 东莞市水利勘测设计院有限公司 | Power supply method, system and equipment for water conservancy information acquisition station and readable storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191217 Address after: 361013 Room 501, No.42, Guanren Road, Siming District, Xiamen City, Fujian Province Patentee after: Ye Yirong Address before: 430074 Hubei Wuhan East Lake high tech Zone, Optics Valley Road, 3 Island 2 units Patentee before: Ma Shan Yang Communication Technology Co. Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200716 Address after: Room 501, No.42, Guanren Road, Siming District, Xiamen City, Fujian Province Patentee after: Xiamen Jingfu Communication Co., Ltd Address before: 361013 Room 501, No.42, Guanren Road, Siming District, Xiamen City, Fujian Province Patentee before: Ye Yirong |
|
| TR01 | Transfer of patent right |