CN201490901U - Power supply adapter with display function - Google Patents
Power supply adapter with display function Download PDFInfo
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- CN201490901U CN201490901U CN2009201932116U CN200920193211U CN201490901U CN 201490901 U CN201490901 U CN 201490901U CN 2009201932116 U CN2009201932116 U CN 2009201932116U CN 200920193211 U CN200920193211 U CN 200920193211U CN 201490901 U CN201490901 U CN 201490901U
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- power supply
- supply adaptor
- power
- presentation function
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Abstract
The utility model relates to the technical field of power supply adapters, in particular to a power supply adapter with a display function. The power supply adapter comprises an adapter body and a circuit unit that is embedded in the adapter body. The adapter body is provided with a display screen that is electrically connected with a circuit unit; the power supply adapter can display information such as power, current, voltage and the like on a display, thus being capable of conveniently obtaining the electricity consumption situation, such as electricity consumption amount, current change, voltage change and the like, of equipment; the power supply adapter is beneficial to judging whether the power output of the power supply adapter is normal or not, the charging is finished or not, and the like, is helpful to prolong the service life of the equipment and can also save electricity consumption more effectively.
Description
Technical field:
The utility model relates to the power supply adaptor technical field, relates in particular to the power supply adaptor of band Presentation Function.
Background technology:
Power supply adaptor is the power supply conversion equipment of small portable electronic device and electronic apparatus, generally is made up of adaptor body and the circuit unit that is built in adaptor body.Press output type, power supply adaptor can be divided into interchange output type and direct current output type; By connected mode, power supply adaptor can be divided into Direct Plug-In and Table top type.At present, power supply adaptor has been widely used in the equipment such as notebook computer, game machine, language playback device, walkman, is equipped with as existing notebook computer to be used for to notebook computer power supply and to the power supply adaptor of cells in notebook computer charging.When using this power supply adaptor, the power consumption, electric current that usually can't conveniently know equipment changes and electricity consumption situation such as change in voltage, is unfavorable for judging whether the power supply output of power supply adaptor is normal, and whether charging has been finished etc., influence the useful life of equipment, also be unfavorable for electrical energy saving.
The utility model content:
The purpose of this utility model is at the deficiencies in the prior art, a kind of power supply adaptor with Presentation Function is provided, can conveniently know the electricity consumption situations such as power consumption, electric current variation and change in voltage of equipment, help to prolong the useful life of equipment, also more effectively electrical energy saving.
For achieving the above object, the utility model is achieved through the following technical solutions: the power supply adaptor of band Presentation Function, and it comprises adaptor body, and the circuit unit that is built in adaptor body, described adaptor body is provided with display screen, and display screen is electrically connected circuit unit.
Described circuit unit comprises the voltage computing module, and the voltage computing module is electrically connected display screen.
Described circuit unit comprises the electric current computing module, and the electric current computing module is electrically connected display screen.
Described circuit unit comprises power computation module, and power computation module is electrically connected display screen.
Described circuit unit comprises voltage computing module, electric current computing module and power computation module, and voltage computing module, electric current computing module and power computation module are electrically connected display screen respectively.
Described display screen is a LCD display.
Described adaptor body is provided with the USB charging inlet.
The quantity of described USB charging inlet is two.
Described adaptor body is provided with power input interface.
The cross section of described adaptor body is octagon-shaped.
The utility model beneficial effect is: the power supply adaptor of band Presentation Function described in the utility model, described adaptor body is provided with display screen, display screen is electrically connected circuit unit, during work, circuit unit calculates power, information such as electric current and voltage, and with power, information such as electric current and voltage shows on display screen, thereby can conveniently know the power consumption of equipment, electricity consumption situations such as electric current variation and change in voltage, help judging whether the power supply output of power supply adaptor is normal, whether charging has been finished etc., help to prolong the useful life of equipment, also more effectively electrical energy saving.
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a theory diagram of the present utility model.
Embodiment:
Below in conjunction with accompanying drawing the utility model is further described:
Embodiment, as depicted in figs. 1 and 2, a kind of power supply adaptor that is applied to the band Presentation Function of notebook computer, it comprises that cross section is the adaptor body 1 of octagon-shaped, and the circuit unit 3 that is built in adaptor body 1, described adaptor body 1 is provided with display screen 2, and display screen 2 is electrically connected circuit unit 3, and wherein said display screen 2 is a LCD display; In the present embodiment, described circuit unit 3 comprises voltage computing module 31, electric current computing module 32 and power computation module 33, and voltage computing module 31, electric current computing module 32 and power computation module 33 are electrically connected display screen 2 respectively.During work, but output voltage values, output current value and the output power value of display screen 2 display power supply adapters; The user can edit the output voltage numerical value of power supply adaptor, selects to be fit to the magnitude of voltage of notebook computer, and according to the output voltage values that shows, judges whether the power supply output of power supply adaptor is normal; Can be according to the output current value size that shows, judge the degree of saturation of notebook computer rechargeable battery, generally speaking, the charging current of battery can increase along with the saturation of battery and reduce, in addition, also can judge whether battery itself exists the problem that can't charge according to output current value; The user can judge the electric quantity consumption situation according to output power value, makes corresponding electrical energy saving measure, sets the use pattern of saving most, reaches best electrical energy saving effect, can set resting state as usually without computer the time.
In the present embodiment, described adaptor body 1 is provided with two USB charging inlets 5, and the power supply of 5V/1A is provided, and can charge to MP3 or mobile phone etc. separately.Existing notebook computer generally is provided with USB interface, can charge to MP3 or mobile phone etc., but must be that notebook computer just can carry out when being in open state.And the utility model can be when notebook computer be in off-mode, directly use the USB charging inlet 5 of power supply adaptor, MP3 or mobile phone etc. is charged, also can use power supply adaptor that notebook computer, MP3, mobile phone etc. are charged simultaneously at open state.
In the present embodiment, described adaptor body 1 is provided with the power input interface 4 that is used to connect power line, when carrying notebook computer, the power input interface 4 of power line from power supply adaptor can be extracted, need not the tip side of long-term bending power line, effectively avoid the damage of power supply adaptor, prolong power supply adaptor useful life, reduce loss.The output line length of the power supply adaptor of band Presentation Function described in the utility model is shorter, can effectively reduce pressure reduction, avoids change in voltage excessive, and reduces EMI and disturb, and reduces the harmful effect that human body is caused.The output line of the power supply adaptor of band Presentation Function described in the utility model can be changed different grafting terminations according to different notebook computers, makes that the scope of application of power supply adaptor is wider.
In the present embodiment, the shell of described adaptor body 1 is shaped to octagon-shaped, and color is a white, and white shell heat absorptivity is not high, can reduce the shell temperature, increases the life-span of power supply adaptor.
The power supply adaptor of band Presentation Function described in the utility model, adopt full frequency band input power supply (100～240VAC), avoid because of inner undesired fuse and the negative temperature coefficient resister that causes external power source to burn effect of power supply through playing, enter storage capacitor after becoming direct current by bridge rectifier again, voltage sees through MOS and cuts into the high-frequency and high-voltage alternating current and see through transformer conversion the becoming required ac output voltage of user, ac output voltage has+12V, + 17V, + 19V, + 21V, + 23V etc. are several, ac output voltage becomes the output voltage of power supply adaptor behind the rectifying and wave-filtering circuit; In addition, power supply adaptor also adds the EMI device, can avoid the conduction and the outer Vent of radiated interference of power supply inside, also stops the conduction and the radiated interference power supply of outside civil power simultaneously.This power supply adaptor adopts Leadtrend LD7575 control IC, has functions such as low power standby, overvoltage protection, overload protection, under-voltage protection.USB charging inlet 5 adopts UTC MC34063 control IC, and this IC builds the switch crystal, need not external crystal, and peripheral part is simple, and output voltage stabilization is fit to small-power output and uses, and can adjust transmission of electricity pressure value, is a controllable output IC.The current sense point of the power supply adaptor of band Presentation Function described in the utility model is to utilize electric current to flow through the pressure reduction that manganin produces to calculate, and the manganin characteristic is not vary with temperature and produce change in resistance, is a stable detecting point part; The LCD display of the power supply adaptor of described band Presentation Function is by a single-chip microcomputer and 7 figure place display screens, and backlight constitutes, single-chip microcomputer can be presented at numerical value on the 7 figure place display screens, and backlight can be lighted or extinguishes by external switch, can make things convenient for reading numerical values in the dark.
In sum, the utility model can show information such as power, electric current and voltage on display screen, thereby can conveniently know the electricity consumption situations such as power consumption, electric current variation and change in voltage of equipment, help judging whether the power supply output of power supply adaptor is normal, whether charging has been finished etc., helps to prolong the useful life and the more effectively electrical energy saving of equipment.
The above only is preferred embodiment of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.
Claims (10)
1. be with the power supply adaptor of Presentation Function, it comprises adaptor body (1), and the circuit unit (3) that is built in adaptor body (1), it is characterized in that: described adaptor body (1) is provided with display screen (2), and display screen (2) is electrically connected circuit unit (3).
2. the power supply adaptor of band Presentation Function according to claim 1 is characterized in that: described circuit unit (3) comprises voltage computing module (31), and voltage computing module (31) is electrically connected display screen (2).
3. the power supply adaptor of band Presentation Function according to claim 1 is characterized in that: described circuit unit (3) comprises electric current computing module (32), and electric current computing module (32) is electrically connected display screen (2).
4. the power supply adaptor of band Presentation Function according to claim 1 is characterized in that: described circuit unit (3) comprises power computation module (33), and power computation module (33) is electrically connected display screen (2).
5. the power supply adaptor of band Presentation Function according to claim 1, it is characterized in that: described circuit unit (3) comprises voltage computing module (31), electric current computing module (32) and power computation module (33), and voltage computing module (31), electric current computing module (32) and power computation module (33) are electrically connected display screen (2) respectively.
6. the power supply adaptor of band Presentation Function according to claim 1 is characterized in that: described display screen (2) is a LCD display.
7. according to the power supply adaptor of each described band Presentation Function of claim 1 to 6, it is characterized in that: described adaptor body (1) is provided with USB charging inlet (5).
8. the power supply adaptor of band Presentation Function according to claim 7 is characterized in that: the quantity of described USB charging inlet (5) is two.
9. the power supply adaptor of band Presentation Function according to claim 7 is characterized in that: described adaptor body (1) is provided with power input interface (4).
10. the power supply adaptor of band Presentation Function according to claim 7 is characterized in that: the cross section of described adaptor body (1) is octagon-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201932116U CN201490901U (en) | 2009-08-24 | 2009-08-24 | Power supply adapter with display function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201932116U CN201490901U (en) | 2009-08-24 | 2009-08-24 | Power supply adapter with display function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201490901U true CN201490901U (en) | 2010-05-26 |
Family
ID=42429767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201932116U Expired - Fee Related CN201490901U (en) | 2009-08-24 | 2009-08-24 | Power supply adapter with display function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201490901U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951007A (en) * | 2010-09-19 | 2011-01-19 | 徐忠方 | Intelligent wall-mounted adaptor and charger |
| WO2012034510A1 (en) * | 2010-09-19 | 2012-03-22 | Xu Zhongfang | Intelligent wall-type charger |
| WO2018045662A1 (en) * | 2016-09-08 | 2018-03-15 | 广东百事泰电子商务股份有限公司 | Multifunctional power supply device having retractable smart display |
| CN109992080A (en) * | 2018-01-02 | 2019-07-09 | 广达电脑股份有限公司 | Computer system and its power adapter with input/output connecting interface |
| CN110308322A (en) * | 2019-06-29 | 2019-10-08 | 杭州涂鸦信息技术有限公司 | A method of calculating power supply adaptor electricity |
| US11262825B2 (en) | 2018-11-02 | 2022-03-01 | Hewlett-Packard Development Company, L.P. | Power supply identification |
-
2009
- 2009-08-24 CN CN2009201932116U patent/CN201490901U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951007A (en) * | 2010-09-19 | 2011-01-19 | 徐忠方 | Intelligent wall-mounted adaptor and charger |
| WO2012034510A1 (en) * | 2010-09-19 | 2012-03-22 | Xu Zhongfang | Intelligent wall-type charger |
| WO2018045662A1 (en) * | 2016-09-08 | 2018-03-15 | 广东百事泰电子商务股份有限公司 | Multifunctional power supply device having retractable smart display |
| CN109992080A (en) * | 2018-01-02 | 2019-07-09 | 广达电脑股份有限公司 | Computer system and its power adapter with input/output connecting interface |
| US11262825B2 (en) | 2018-11-02 | 2022-03-01 | Hewlett-Packard Development Company, L.P. | Power supply identification |
| CN110308322A (en) * | 2019-06-29 | 2019-10-08 | 杭州涂鸦信息技术有限公司 | A method of calculating power supply adaptor electricity |
| CN110308322B (en) * | 2019-06-29 | 2021-07-23 | 杭州涂鸦信息技术有限公司 | Method for calculating electric quantity of power adapter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20130824 |