CN2543124Y - Charging connector for digital camera - Google Patents
Charging connector for digital camera Download PDFInfo
- Publication number
- CN2543124Y CN2543124Y CN 02216451 CN02216451U CN2543124Y CN 2543124 Y CN2543124 Y CN 2543124Y CN 02216451 CN02216451 CN 02216451 CN 02216451 U CN02216451 U CN 02216451U CN 2543124 Y CN2543124 Y CN 2543124Y
- Authority
- CN
- China
- Prior art keywords
- digital camera
- charge connector
- internal electric
- electric source
- power supply
- 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 - Lifetime
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a charging connector of a digital camera, which comprises an input and an output. The input of the charging connector is connected with an external power supply terminal of the digital camera and the USB power supply terminal of the computer; the output of the charging connector is connected with an internal power supply input of the digital camera, and is characterized in that a current limiting unit is also provided which is respectively connected with the input and the output of the charging connector. The utility model can effectively solve the generality problem of the digital camera charger, use the USB port of the computer to recharge, and realize the work of the digital camera while in recharge.
Description
Technical field
The utility model relates to a kind of charger, specifically, is a kind of USB interface that connects PC, to the charge connector of digital camera power supply.
Background technology
In the computer nowadays epoch, the digital technology development rapidly.All kinds of digital image-forming technology that depend on computer manufacture are of a great variety, the digital camera that it mainly contains monitor (camera) and has multiple function.With regard to monitor (camera): its function only limits to fixing photography, supervision etc., and it can be powered by the USB port power supply of computing machine, and is simple and practical, but function singleness.The appearance of digital camera is expanded the simple function of monitor (camera) widely, and it can take into account the fixedly photography of connection computing machine and the dollying of divorced from computer.
It is very severe that but characteristics of the maximum of digital camera are exactly power consumption, and institute thinks its economy of consideration, and general digital camera has all disposed the rechargeable battery that can use repeatedly.Simultaneously also need to be equipped with charger and reserve battery certainly.So increased the actual volume of digital camera, and increased field pick-up worker's the burden of carrying digital camera.
In the prior art, the charger that various types of digital camera was equipped with can not be general mutually, and this a kind of qualification makes numerous digital cameras many embarrassments much when reality is used.
Also having a kind of method is to adopt general dry cell on the market, because the digital camera power consumption is severe, uses dry cell very uneconomical again.No. 7 " Duracell " batteries of 2 joints are used on the little digital camera and can only use continuously 5 hours, if dry cell is changed to rechargeable battery, are equipped with charger again, also will solve the voltage mismatch problem of rechargeable battery (1.2V) and dry cell (1.5V).
The innovation and creation that a kind of portable electronic machine utilizes PC standard USB outlet are disclosed in the literary composition of the Chinese patent application 00 1 31096.8 " portable electronic machine " that Osaka, Japan " society of Sanyo Electric strain society " is applied for.Its described portable electronic machine is a power resources of utilizing USB, and common portable electronic machine can be worked under the state of two kinds of power supply power supplies.Promptly 1, when being connected with PC, by the USB mouth power supply power supply of PC, and suppress to close the portable electronic machine internal electric source.Its benefit is a USB mouth supply voltage height, and the information transfer rate of portable electronic machine is accelerated; When 2, disconnecting, power by the portable electronic machine internal electric source with PC.Because portable electronic machine is the USB confession electricity of PC when being connected with PC, so the portable electronic machine internal electric source has obtained rest, has equaled to prolong the life-span of portable electronic machine internal electric source.
But this patented claim with the utilization factor maximization of USB mouth power supply, does not fail to accomplish not only to power but also can charge.Wouldn't does if especially numerous portable electronic class digital cameras be directly charge the USB mouth of PC to it, be a big problem that has solved the digital camera practicality?
Summary of the invention
The purpose of this utility model is to provide a kind of digital camera charge connector, and it can effectively solve the versatility problem of the charger of digital camera, utilizes the USB mouth of PC that it is charged, and realizes digital camera one edge work, on one side charging.
For achieving the above object, a kind of digital camera charge connector that the utility model provides comprises an input port and an output port, and the external power source port of this input port and digital camera, the USB power end of computing machine join; The input end of the internal electric source of this output port and digital camera joins, and characteristics are, also has a current limliting unit that joins with input port and output port respectively.
Described current limliting unit comprises a current-limiting resistance; Also comprise one and prevent the diode that flows backwards, this diode and the series connection of described current-limiting resistance; Described input port is also established the indicating member of a connection USB power connection state; This indicating member comprises a light emitting diode and the current-limiting resistance of serial connection mutually; Between described output port and digital camera internal electric source power supply port, connect a power control switch; Digital camera internal electric source power supply port also connects an internal electric source indicating member; This indicating member comprises a light emitting diode and the current-limiting resistance of serial connection.
The invention solves four problems:
1, the charging problem of digital camera makes charger become the world universal.Because current PC is quite universal.Because it is unified that the structure of computing machine is the world basically, especially its USB socket internal electric source also is that the world is unified, with the USB power supply as charge power supply, all types of digital cameras has been solved immediately the power issue of a charger, can be very easy to user's (because civilian supply voltage disunity in the world, have, 250V, 220V, multiple voltage such as 110V, existing all kinds of chargers are to realize that countries in the world are general);
2, the camera work person goes out to be with a thing less, has alleviated its burden of going out;
3, solved the wait in duration of charging, when digital camera is being connected with computing machine simultaneously, (as downloading image, edited image, doing data etc.), it for digital camera charges, made things convenient for the user of digital camera, kill two birds with one stone, make the user of working time anxiety enlarge time resource;
4, reduced the whole manufacturing cost of digital camera, correspondingly also reduced the consumer cost of digital camera users and used consumer cost after sale.
Description of drawings
Fig. 1 is a principle of work circuit diagram of the present utility model.
Embodiment
Because digital camera be unable to do without the operation of PC computing machine, and computing machine has USB interchangeable heat plug socket, and the USB socket of PC computing machine comprises the power supply of one group of 5V again, and each group of the capacity of power supply is all more than 500mA.This group power supply can be used as the general hardware effort power supply relevant with computing machine, as the existing mobile disk of supplying, scanner etc. on the market.This power supply fully also can be used as the charge power supply to rechargeable battery.
See also Fig. 1, a kind of digital camera charge connector that the utility model provides comprises an input port 1 and an output port 2, and the external power source interface ED port of this input port 1 and digital camera, the USB power end of computing machine join; The positive pole of the internal electric source E of this output port 2 and digital camera joins, and it is characterized in that, also has a current limliting unit 3 that joins with input port and output port respectively.
When digital camera because will unload when data or other need and PC joins the V of USB port
DdPower supply is powered to digital-code camera module (SMXJ), is connected with internal electric source by current limliting unit 3 again simultaneously internal electric source is charged.As seen, as long as the USB mouth of digital camera and PC links and can charge.General linking to each other with the USB of PC of design of the present utility model promptly can reach enough chargings in 1-2 hour.Can guarantee under the situation of standby about one week of electricity consumption.
The effect of current limliting unit 3 is that the USB power supply is done some restrictions, and it comprises a current-limiting resistance 32, and realizing pressure limiting, functions such as constant current and the sufficient protection of charging also comprise one and prevent the diode 31 that flows backwards.
SMXJ is ready-made digital-code camera module (STV0680), connects a switch 21 between the internal electric source power supply port E+ of output port 2 and SMXJ, makes and can realize internal electric source power supply control to SMXJ.
Digital camera internal electric source feeder ear (E+ end) also can be connected in series a light emitting diode 41 resistance 42, constitutes internal electric source indicating member 4; Between USB power end and the current limliting unit input end, go back and connect a light emitting diode 51 and resistance 52, constitute the indicating member 5 of USB power connection state.
In actual use, the interior core module (STV0680) of digital camera can be pulled down, make a current limliting unit 3, and be placed in together in the small and exquisite shell with chargeable battery and LED indicator with current-limiting resistance 32 and diode 31.
When in the outdoor data of will obtaining as the panorama of personage, machinery and equipment or part, written historical materials, the picture and text descriptions (to long-range E-mail) that some is in kind, digital camera does not just need charging, and the internal electric source of digital camera just can be powered to digital-code camera module immediately.
When digital camera is used as camera monitor as long as the back that links to each other with PC starts the program of being correlated with, if in the camera internal electric source deficiency it also can keep charged state until being full of.Do not influence the function of monitor this moment.
In the utility model, the power issue of digital camera (digital camera is the power consumption rich and influential family) is able to light solution.Make manufacturer reduce manufacturing cost, the user has reduced consumer cost and has used consumer cost after sale, many convenience have been increased again, complete machine has dwindled volume, its versatility is adapted to have the All Around The World of computing machine, and it is simple in structure, easy to carry, the design is adapted to all digital cameras, has the Practical significance of reality.
Claims (8)
1. digital camera charge connector, it comprises an input port and an output port, the external power source interface of this input port and digital camera, the USB power end of computing machine join; The positive pole of the internal electric source of this output port and digital camera joins, and it is characterized in that, also has a current limliting unit that joins with input port and output port respectively.
2. digital camera charge connector as claimed in claim 1 is characterized in that, described current limliting unit comprises a current-limiting resistance.
3. digital camera charge connector as claimed in claim 1 or 2 is characterized in that, also comprises one in the described current limliting unit and prevents the diode that flows backwards, this diode and the series connection of described current-limiting resistance.
4. digital camera charge connector as claimed in claim 1 is characterized in that, described input port also connects the indicating member of a USB power connection state.
5. digital camera charge connector as claimed in claim 4 is characterized in that, the indicating member of described USB power connection state comprises a light emitting diode and the current-limiting resistance of serial connection mutually.
6. digital camera charge connector as claimed in claim 1 is characterized in that, between described output port and digital camera internal electric source power supply port, connects a power control switch.
7. digital camera charge connector as claimed in claim 1 is characterized in that, digital camera internal electric source power supply port also connects an internal electric source indicating member.
8. digital camera charge connector as claimed in claim 7 is characterized in that, described internal electric source indicating member comprises a light emitting diode and the current-limiting resistance of serial connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02216451 CN2543124Y (en) | 2002-03-28 | 2002-03-28 | Charging connector for digital camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02216451 CN2543124Y (en) | 2002-03-28 | 2002-03-28 | Charging connector for digital camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2543124Y true CN2543124Y (en) | 2003-04-02 |
Family
ID=33695440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02216451 Expired - Lifetime CN2543124Y (en) | 2002-03-28 | 2002-03-28 | Charging connector for digital camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2543124Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1296793C (en) * | 2003-10-21 | 2007-01-24 | 无敌科技股份有限公司 | Multiple current inputting charging device and method thereof |
| CN1331020C (en) * | 2004-05-20 | 2007-08-08 | 英保达股份有限公司 | Voltage management apparatus and method for charging battery through computer transmission interface |
-
2002
- 2002-03-28 CN CN 02216451 patent/CN2543124Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1296793C (en) * | 2003-10-21 | 2007-01-24 | 无敌科技股份有限公司 | Multiple current inputting charging device and method thereof |
| CN1331020C (en) * | 2004-05-20 | 2007-08-08 | 英保达股份有限公司 | Voltage management apparatus and method for charging battery through computer transmission interface |
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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 | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120328 Granted publication date: 20030402 |