CN104283243A - Vehicle-mounted charger - Google Patents
Vehicle-mounted charger Download PDFInfo
- Publication number
- CN104283243A CN104283243A CN201310284122.3A CN201310284122A CN104283243A CN 104283243 A CN104283243 A CN 104283243A CN 201310284122 A CN201310284122 A CN 201310284122A CN 104283243 A CN104283243 A CN 104283243A
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- CN
- China
- Prior art keywords
- module
- display
- sensing
- circuit
- charging
- 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
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A vehicle-mounted charger comprises a body, an insertion part, an electricity transmission part and a circuit unit contained in the body, wherein the insertion part and the electricity transmission part are arranged on the two opposite side walls of the body, the insertion part is used for being connected with an external power supply, and the electricity transmission part is used for being electrically connected with an electronic product. The circuit unit comprises a power supply module, a sensing circuit, a conversion module, a charging circuit and a microprocessor. The insertion part, the power supply module, the sensing circuit, the conversion module, the charging circuit and the electricity transmission part are electrically connected in sequence so that power can be supplied to the electronic product. The switching module controls the sensing circuit to be switched between the power supply module and the charging circuit to conduct sensing. The microprocessor is electrically connected with the sensing circuit and used for receiving and processing charging signals sent by the sensing circuit. The vehicle-mounted charger further comprises a display screen arranged on the body and a display module contained in the body. The display module is electrically connected with the microprocessor and the display screen so as to receive the charging signals processed through the microprocessor and sending the processed charging signals to the display screen to be displayed.
Description
Technical field
The present invention relates to a kind of onboard charger, particularly relate to a kind of onboard charger with display screen.
Background technology
Onboard charger is a kind of vehicle power is the accessory that electronic product charges, and it is widely used in charging to various lithium battery that is portable, portable equipment.Such as mobile phone, PDA, GPS etc. all can utilize onboard charger to power.But when onboard charger charges to electronic product, user not easily judges when this stopping is charged, and electronic product may be caused thus to overcharge, and causes it to use inconvenient.
Summary of the invention
In view of foregoing, be necessary to provide a kind of onboard charger easy to use.
A kind of onboard charger, for charging to electronic product, it comprises body, is located at Plug Division and the power transmission section of this body opposite end, and is contained in the circuit unit in this body, this Plug Division is used for being connected with external power source, and this power transmission section is used for being electrically connected with this electronic product.This circuit unit comprises supply module, sensing circuit, modular converter, charging circuit and microprocessor, this Plug Division, this supply module, this sensing circuit, this modular converter, this charging circuit and this power transmission section are electrically connected successively, with by the current delivery of this Plug Division to this power transmission section, this modular converter controls this sensing circuit sensing switch between this supply module and this charging circuit, this microprocessor and this sensing circuit are electrically connected, for receiving and processing charging signals that this sensing circuit sends over and convert this charging signals to readable charge information, this onboard charger also comprises the display screen be arranged on this body and the display module be housed in this body, this display module and this microprocessor are electrically connected, this display screen and this display module are electrically connected, to be sent to this display screen to show receiving the charge information of coming via this display module from this microprocessor.
Onboard charger of the present invention by installing display screen on body, sensing circuit is utilized to detect the charge information of electronic product when charging, and by the display of this charge information on a display screen, user understands the battery performance situation of electronic product by this information about power, thus person easy to use can extract electronic product timely after electronic product charging.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of onboard charger in embodiment of the present invention.
Fig. 2 is the rear end face view of onboard charger shown in Fig. 1.
Fig. 3 is the functional block diagram of onboard charger shown in Fig. 1.
Main element symbol description
| Onboard charger | 100 |
| Body | 10 |
| First surface | 12 |
| Plug Division | 13 |
| Second surface | 14 |
| Power transmission section | 15 |
| Front end face | 16 |
| Rear end face | 17 |
| Display screen | 30 |
| Circuit unit | 50 |
| Sensing circuit | 52 |
| Capacity sense module | 521 |
| Voltage sensing module | 523 |
| Current sensing module | 524 |
| Charging timing module | 525 |
| Charging induction module | 526 |
| Electricity sensing module | 527 |
| Charging circuit | 54 |
| Microprocessor | 56 |
| Date control module | 57 |
| Circuit protection module | 58 |
| Display module | 70 |
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
Please refer to Fig. 1 and Fig. 2, the onboard charger 100 of present embodiment comprises body 10, is arranged on the display screen 30 on body 10, and the circuit unit 50(be housed in body 10 consults Fig. 3) consult Fig. 3 with display module 70().Display module 70 is electrically connected respectively with circuit unit 50 and display screen 30, for being shown on the display 30 by the charge information of circuit unit 50.The onboard charger 100 of present embodiment is for giving electronic product (as mobile phone) charging.
Body 10 is roughly rectangular block shape, and it comprises first surface 12 and second surface 14, front end face 16 and the rear end face 17 of opposing parallel setting.Body 10 projection on front end face 16 forms Plug Division 13, for being electrically connected with power supply.Body 10 forms power transmission section 15 on rear end face 17, for grafting electronic product.In present embodiment, power transmission section 15 is a power supply groove.Be appreciated that power transmission section 15 also can be the electric connection line with pin terminals.Display screen 30 is located on first surface 12.
See also Fig. 3, circuit unit 50 comprises supply module 51, sensing circuit 52, modular converter 53, charging circuit 54, microprocessor 56, date control module 57 and circuit protection module 58.Supply module 51 and Plug Division 13 are electrically connected, for transmitting the electric current imported by Plug Division 13.Circuit protection module 58 and supply module 51 are electrically connected, for automatically disconnecting when automobile batteries (not shown) occurs abnormal, to protect electronic product to be charged.Sensing circuit 52 and circuit protection module 58 are electrically connected, and it comprises capacity sense module 521 in parallel, voltage sensing module 523, current sensing module 524, charging timing module 525, charging induction module 526, electricity sensing module 527 and warming module 528.Sensing circuit 52 can the change of charge information in circuit for detecting unit 50, and this detection signal is converted to digital signal.Microprocessor 56 and sensing circuit 52 are electrically connected, and are converted into display for the digital signal that receives in sensing circuit 52, then itself and predetermined display are compared.Charging circuit 54 and power transmission section 15 are electrically connected, to charge to electronic product.Modular converter 53 is electrically connected respectively with sensing circuit 52 and charging circuit 54, for controlling the detecting object changing sensing circuit 52, even if the information about power in its detecting supply module 51 or the charge information in charging circuit 54.Date control module 57 and supply module 51 are electrically connected, for switch on power in Plug Division 13 (not shown) time, to calculate, adjustment date be converted into digital signal.Microprocessor 56 is also electrically connected with date control module 57, is converted into display for the digital signal in date received control module 57.
Display module 70 is electrically connected respectively with microprocessor 56 and display screen 30, shows for receiving display that microprocessor 56 sends and sending it to display screen 30.In present embodiment, display screen 30 is LCDs or organic light emitting diode display screen.
During use, Plug Division 13 is inserted in the cigar lighter (not shown) of automobile (not shown), to obtain electric energy from cigar lighter, and by delivery of electrical energy to supply module 51.Now, capacity sense module 521, voltage sensing module 523 and electricity sensing module 527 detect the volume percent of battery (not shown) on automobile, voltage and battery compartment number respectively by supply module 51, and be digital signal by detecting results conversion, microprocessor 56 receives those digital signals and is converted into display, and display module 70 receives those displays and transmits it to display screen 30 and shows.Now, display voltage and normal voltage are compared by microprocessor 56, if display voltage is in predetermined voltage range, then this onboard charger 100 can normally work; If display voltage is in outside predetermined voltage range, then microprocessor 56 controls the automatic disconnection of this circuit protection module 58 to make this onboard charger 100 quit work.
In present embodiment, normal voltage is 12V, and predetermined voltage range is 13.3V ~ 14.8V.If be appreciated that, the normal voltage of automobile storage battery is 24V, then predetermined voltage range can be set to 25.8V ~ 28.2V, as long as namely onboard charger 100 can charge normal electronic product under predetermined voltage.Meanwhile, date control module 57 calculates and the adjustment date, and result of calculation is converted to digital signal, and microprocessor 56 receives this digital signal and is converted into display and transfers to display screen 30 again showing on the date.
Electronic product inserts in power transmission section 15, and power supply imports in electronic product through circuit unit 50 and charges.Now, modular converter 53 detects electronic product and power transmission section 15 is electrically connected, and then the detecting object of modular converter 53 sensing switch circuit 52, makes Perceived control slowdown monitoring circuit 52 detect the charge information of battery in electronic product by charging circuit 54.Capacity sense module 521, voltage sensing module 523 and electricity sensing module 527 detect the volume percent of battery in electronic product respectively, charging voltage and battery compartment number, current sensing module 524, charging timing module 525, charging induction module 526 and warming module 528 detect the charging current of electronic product respectively, battery is full of required time, the temperature of battery in charged state (namely whether charging) and electronic product, and be digital signal by those detecting results conversions, microprocessor 56 receives those digital signals and is converted into display, display module 70 receives those displays and sends it to display screen 30 and shows.
Be appreciated that, this voltage sensing module 523, current sensing module 524, charging timing module 525, charging induction module 526, warming module 528 and date control module 57 all can be omitted, user detects by capacity sense module 521 or electricity sensing module 527 volume percent that demonstrates or battery compartment number judges that this electronic product is the need of charging, when volume percent is shown as 100% or battery compartment digital display shows full lattice, this electronic product then can stop charging.
The onboard charger 100 of present embodiment by installing display screen 30 on body 10, utilize the charge information in sensing circuit 52 circuit for detecting unit 50, and by the display of this charge information on the display 30, user understands the battery performance situation of electronic product by this charge information, thus electronic product can be extracted timely after electronic product charging, thus be user-friendly to; And utilize microprocessor 56 voltage of the automobile batteries detected and predetermined voltage to be compared; and then the automatic closedown of control circuit protection module 58, thus make electronic product can avoid the damage caused because of the instability of charging voltage when automobile batteries is damaged.
In addition, for the person of ordinary skill of the art, other various corresponding change and distortion can be made by technical conceive according to the present invention, and all these change the protection range that all should belong to the claims in the present invention with distortion.
Claims (8)
1. an onboard charger, for charging to electronic product, it comprises body, be located at Plug Division and the power transmission section of this body opposite end, and the circuit unit be contained in this body, this Plug Division is used for being connected with external power source, this power transmission section is used for being electrically connected with this electronic product, it is characterized in that: this circuit unit comprises supply module, sensing circuit, modular converter, charging circuit and microprocessor, this Plug Division, this supply module, this sensing circuit, this modular converter, this charging circuit and this power transmission section are electrically connected successively, with by the current delivery of this Plug Division to this power transmission section, this modular converter controls this sensing circuit sensing switch between this supply module and this charging circuit, this microprocessor and this sensing circuit are electrically connected, for receiving and processing charging signals that this sensing circuit sends over and convert this charging signals to readable charge information, this onboard charger also comprises the display screen be arranged on this body and the display module be housed in this body, this display module and this microprocessor are electrically connected, this display screen and this display module are electrically connected, to be sent to this display screen to show receiving the charge information of coming via this display module from this microprocessor.
2. onboard charger as claimed in claim 1, it is characterized in that: this sensing circuit comprises battery capacity percentage and the charging voltage that the capacity sense module, voltage sensing module, this capacity sense module and this voltage sensing module that are connected in parallel detect this electronic product respectively, and be digital signal by detecting results conversion, this microprocessor receives this digital signal and is converted into display, and this display module receives this display and sends it on this display screen and shows.
3. onboard charger as claimed in claim 2, it is characterized in that: this sensing circuit also comprises the current sensing module be connected with this capacity sense module and this voltage sensing wired in parallel, sensing module during chargometer, charging induction module and electricity sensing module, this current sensing module, sensing module during this chargometer, this charging induction module and this electricity sensing module detect the battery capacity percentage of this electronic product respectively, charging voltage, charging current, treat filling time, charged state and battery compartment number, and be digital signal by detecting results conversion, this microprocessor receives this digital signal and is converted into display, this display module receives this display and sends it on this display screen and shows.
4. onboard charger as claimed in claim 3, it is characterized in that: this sensing circuit also comprises the warming module be connected in parallel with sensing module, this charging induction module and this electricity sensing module when this capacity sense module, this voltage sensing module, this current sensing module, this chargometer, this warming module detects the battery temperature of this electronic product, and be digital signal by detecting results conversion, this microprocessor receives this digital signal and is converted into display, and this display module receives this display and sends it on this display screen and shows.
5. onboard charger as claimed in claim 1, it is characterized in that: this circuit unit also comprises date control module, this date control module and this supply module are electrically connected, this control module calculates and adjustment date result of calculation is converted to digital signal on date, this microprocessor and this date control module are electrically connected receive this digital signal and be converted into display, and the display come from the reception of this microprocessor is sent to this display screen and shows by this display module.
6. onboard charger as claimed in claim 1, is characterized in that: this body comprises and opposing parallelly arranges front end face and rear end face, and this Plug Division projection is on this front end face.
7. onboard charger as claimed in claim 6, is characterized in that: this power transmission section is the slot being opened in this rear end face.
8. onboard charger as claimed in claim 1; it is characterized in that: this circuit unit also comprises circuit protection module; this Plug Division, this supply module, this circuit protection module, this sensing circuit and this microprocessor are electrically connected successively, this microprocessor receive this sensing circuit senses to this external power source information and compare itself and predetermined power source information to control the automatic closedown of this circuit protection module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310284122.3A CN104283243A (en) | 2013-07-08 | 2013-07-08 | Vehicle-mounted charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310284122.3A CN104283243A (en) | 2013-07-08 | 2013-07-08 | Vehicle-mounted charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104283243A true CN104283243A (en) | 2015-01-14 |
Family
ID=52257862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310284122.3A Pending CN104283243A (en) | 2013-07-08 | 2013-07-08 | Vehicle-mounted charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104283243A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108215892A (en) * | 2017-12-27 | 2018-06-29 | 淄博京科电气有限公司 | A kind of charging pile |
-
2013
- 2013-07-08 CN CN201310284122.3A patent/CN104283243A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108215892A (en) * | 2017-12-27 | 2018-06-29 | 淄博京科电气有限公司 | A kind of charging pile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150114 |
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| WD01 | Invention patent application deemed withdrawn after publication |