CN206759129U - Portable charger - Google Patents
Portable charger Download PDFInfo
- Publication number
- CN206759129U CN206759129U CN201720400513.0U CN201720400513U CN206759129U CN 206759129 U CN206759129 U CN 206759129U CN 201720400513 U CN201720400513 U CN 201720400513U CN 206759129 U CN206759129 U CN 206759129U
- Authority
- CN
- China
- Prior art keywords
- circuit
- microprocessor
- smoothing filter
- protection circuit
- double
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of portable charger,Including the input protection circuit being sequentially connected,Bridge rectifier,Passive power factor correcting circuit,Smoothing filter I,DC/DC converters,Smoothing filter II,Output protection circuit and diode,Input protection circuit connects AC power,Diode exports dc source,Charger also includes microprocessor,Microprocessor connects thermal-shutdown circuit,Overvoltage crowbar,Current foldback circuit,Short-circuit protection circuit and feedback sampling circuit,Overvoltage crowbar,Current foldback circuit,Short-circuit protection circuit,Feedback sampling circuit input is connected with the output end of smoothing filter II,Microprocessor is also connected with resonance potential type double -loop control loop,Double -loop control loop connects thermal-shutdown circuit,Double -loop control loop output connects DC/DC converter inputs,The output end of smoothing filter II is connected with equalizing control circuit；The charger has overvoltage/undervoltage, excessively stream, excessively gentle short circuit protection measures, it is ensured that output voltage, electric current are maintained in given scope, can guarantee that the safety and reliability of charging process.
Description
Technical field
Technical field of electric power is the utility model is related to, more particularly to a kind of portable charger.
Background technology
Charger is to use high frequency electric source technology, adjusts charging technique with advanced Intelligent Dynamic, has charge efficiency
Height, it is simple to operate, it is in light weight, the features such as small volume.
The transforming plant DC emergency power supply configured at present, voltage, current fluctuation scope are bigger, poor reliability, it is impossible to suitable
A variety of occasions such as the maintenance of power station batteries or replacing are strained, it is very big to be applicable limitation.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of portable charger, has overvoltage/undervoltage, excessively stream, excess temperature
And short circuit protection measures, it is ensured that output voltage, electric current are maintained in given scope, can guarantee that charging process security and can
By property.
The purpose of this utility model is achieved through the following technical solutions：
Portable charger, including input protection circuit, bridge rectifier, the PPFC being sequentially connected
Circuit, smoothing filter I, DC/DC converters, smoothing filter II, output protection circuit and diode, the input protection electricity
Road connects AC power, and the diode exports dc source, and the charger also includes microprocessor, and the microprocessor connects
Connect thermal-shutdown circuit, overvoltage crowbar, current foldback circuit, short-circuit protection circuit and feedback sampling circuit, the overvoltage
Protection circuit, current foldback circuit, short-circuit protection circuit, feedback sampling circuit input with the output end phase of smoothing filter II
Even, the microprocessor is also connected with resonance potential type double -loop control loop, and the double -loop control loop connects thermal-shutdown circuit,
The double -loop control loop output connects DC/DC converter inputs, and the output end of smoothing filter II, which is connected with, to flow
Control circuit.
Further, liquid crystal display and keyboard are connected with the microprocessor.
Further, the microprocessor is connected with RS-485 interfaces.
The beneficial effects of the utility model are：
Portable charger of the present utility model, there are overvoltage/undervoltage, excessively stream, excessively gentle short circuit protection measures, it is ensured that output
Voltage, electric current are maintained in given scope, can guarantee that the safety and reliability of charging process, its small volume, in light weight, effect
Rate is high, easy to carry, easy to adjust, has a wide range of application.
Other advantages, target and feature of the present utility model will be explained in the following description to a certain extent
State, and to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, or
Person can be instructed from practice of the present utility model.Target of the present utility model and other advantages can be said by following
Bright book is realized and obtained.
Brief description of the drawings
In order that the purpose of this utility model, technical scheme and advantage are clearer, below in conjunction with accompanying drawing to this practicality
It is new to be described in further detail, wherein：
Fig. 1 is the utility model structure diagram.
Embodiment
Hereinafter with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail.It is it should be appreciated that it is preferred that real
Example is applied only for illustrating the utility model, rather than in order to limit the scope of protection of the utility model.
As shown in figure 1, portable charger, including input protection circuit, bridge rectifier, the passive work(being sequentially connected
Rate factor correcting circuit, smoothing filter I, DC/DC converters, smoothing filter II, output protection circuit and diode, input
Protection circuit connects AC power, diode output dc source, and charger also includes microprocessor, microprocessor connection excess temperature
Protection circuit, overvoltage crowbar, current foldback circuit, short-circuit protection circuit and feedback sampling circuit, overvoltage crowbar, mistake
Stream protection circuit, short-circuit protection circuit, feedback sampling circuit input are connected with the output end of smoothing filter II, microprocessor
It is also connected with resonance potential type double -loop control loop, double -loop control loop connection thermal-shutdown circuit, double -loop control loop output
DC/DC converter inputs are connected, the output end of smoothing filter II is connected with equalizing control circuit.
Resonance potential type double -loop control loop is used so that voltage adjustment is more stable, more efficient.
Liquid crystal display and keyboard are connected with microprocessor, the data such as charging voltage, electric current are shown, pass through key
Disk carries out setting value.
Microprocessor is connected with RS-485 interfaces, for being connected with external equipment.
Civil power input is exported by rectification, correction, filtering, AC-DC conversion into direct current output, feedback sampling circuit collection
The voltage of direct current is adjusted compared with CPU setting values, by comparative result by double -loop control loop to input AC.
Finally illustrate, above example is only unrestricted to illustrate the technical solution of the utility model, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent substitution, and without departing from the objective and scope of the technical program, it all should
Cover among right of the present utility model.
Claims (3)
1. portable charger, it is characterised in that：Including the input protection circuit, bridge rectifier, passive work(being sequentially connected
Rate factor correcting circuit, smoothing filter I, DC/DC converters, smoothing filter II, output protection circuit and diode, it is described
Input protection circuit connects AC power, and the diode exports dc source, and the charger also includes microprocessor, described
Microprocessor connection thermal-shutdown circuit, overvoltage crowbar, current foldback circuit, short-circuit protection circuit and feedback sample electricity
Road, the overvoltage crowbar, current foldback circuit, short-circuit protection circuit, feedback sampling circuit input are and smothing filtering
The output end of device II is connected, and the microprocessor is also connected with resonance potential type double -loop control loop, the double -loop control loop connection
Thermal-shutdown circuit, the double -loop control loop output connect DC/DC converter inputs, and the smoothing filter II exports
End is connected with equalizing control circuit.
2. portable charger according to claim 1, it is characterised in that：Liquid crystal display is connected with the microprocessor
Device and keyboard.
3. portable charger according to claim 1 or 2, it is characterised in that：The microprocessor is connected with RS-485
Interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720400513.0U CN206759129U (en) | 2017-04-17 | 2017-04-17 | Portable charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720400513.0U CN206759129U (en) | 2017-04-17 | 2017-04-17 | Portable charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206759129U true CN206759129U (en) | 2017-12-15 |
Family
ID=60614071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720400513.0U Expired - Fee Related CN206759129U (en) | 2017-04-17 | 2017-04-17 | Portable charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206759129U (en) |
-
2017
- 2017-04-17 CN CN201720400513.0U patent/CN206759129U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 Termination date: 20180417 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |