CN2553440Y - Converter with data transmission and charge function - Google Patents
Converter with data transmission and charge function Download PDFInfo
- Publication number
- CN2553440Y CN2553440Y CN 02237022 CN02237022U CN2553440Y CN 2553440 Y CN2553440 Y CN 2553440Y CN 02237022 CN02237022 CN 02237022 CN 02237022 U CN02237022 U CN 02237022U CN 2553440 Y CN2553440 Y CN 2553440Y
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- China
- Prior art keywords
- power
- interface
- data transmission
- charge function
- conversion equipment
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- Expired - Fee Related
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Abstract
The utility relates to a converter with data transmission and charge function, which comprises a signal converting circuit. The utility model comprises a microprocessor for converting and delivering the signal, a power converting circuit, a power converter with the function of providing control voltage and feeding. The signal converting circuit is connected with an end interface of the computer and an end interface of a device respectively; the power converter of the power converting circuit is connected with the power fan-out of the end interface of the computer and the power fan-out of the end interface of a device. The converting and delivering of the signal between the computer end and the device end are able to be achieved through the signal converting circuit, and the function of utilizing the power of the computer end (PC HOST) to charge the device end (DEVICE) through the power converting circuit is able to be achieved.
Description
Technical field
The utility model relates to a kind of Circuit Switching Unit, relate in particular to a kind of with the change-over circuit between the stream oriented device end in conjunction with the multi-form line interface that transfers, and make computer terminal (computing machine or mobile computer) and portable electronic devices [mobile phone or digital word processor (PDA)] reach mutual transmission signals and to the conversion equipment with data transmission and charge function of portable electronic devices charging.
Background technology
The range of application of social at present upward mobile phone and digital word processor (PDA) is very extensive, it almost is staff one machine, and mobile phone now and individual word processor are additional mostly to have other function or to download and to use for transmission, so the user all needs to prepare a transmission line again, transmit mutually or the use of downloading data for mobile phone or individual word processor connection computing machine.Take a broad view of present existing conversion equipment, it all carries out transmission interface by RS-232 PORT between the two, after RS-232 interface converts TTL/CMOS LEVEL to, and access to plant end and reach functions such as material upload, download and control again.As shown in Figure 5, it is the existing use calcspar that uses RS-232 interface as transmission line, when its existing RS-232 that uses is connected to the device end (DEVICE) of portable electronic devices with computing machine or mobile computer (HOST) end, because of may there be the different problem of current potential height in the two, its RS-232 can't provide one group of power supply to make computing machine (HOST) end carry out signal interpretation action from device end (DEVICE), input on the IC that can be used as RS-232 TTL/COMS LEVEL in the level circuit so generally all need add a power supply, the high low level current potential that a computer terminal (HOST) can interpretation just can be provided; But this kind practice is because of using extra charger, so its price is higher, and need positive and negative power supply just can reach the function of high low-potential signal interpretation, so under the situation of using multiple power supply, the reduction that the reliability of circuit is relative, and, transfer connecting line as the charging time spent but this kind need add the data of charger as having charge function then to need add the function that one group of charger can provide charging more in addition to device end, it also has the problem of being inconvenient to carry.
This shows still there are shortcomings such as price is higher, circuit reliability low and be inconvenient to carry, remain further to be solved for existing conversion equipment.
Summary of the invention
In order to overcome the above-mentioned shortcoming that the existing conversion equipment that supplies mobile phone and digital word processor to use exists, the utility model provides a kind of conversion equipment with data transmission and charge function, it mainly utilizes this conversion equipment for example can cooperate different transmission lines: general-purpose serial bus USB or RS-232, change transmission mutually and can carry out signal, and reach the power supply that utilizes computer terminal (PC HOST) function by this circuit device end (DEVICE) rapid charge.
The technical scheme that its technical matters that solves the utility model adopts is:
A kind of conversion equipment with data transmission and charge function is characterized in that it includes: a signal change-over circuit is provided with one in order to carry out the microprocessor of conversion of signals and transmission; One power-switching circuit is provided with one in order to the power supply changeover device of control voltage and charge function to be provided; The microprocessor of this signal change-over circuit is connected with a device end interface with a computer terminal interface respectively; And the power supply changeover device of this power-switching circuit is connected with the power input of device end interface with power output end to computer terminal interface respectively; Make both carry out signal and change transmission mutually by microprocessor, and utilize power supply changeover device with computer terminal (PC HOST) power limitations in 450～500mA output meeting general-purpose serial bus USB (5V 500mA) power supply input specification, and reach device end (DEVICE) rapid charge effect.
Aforesaid conversion equipment with data transmission and charge function, wherein the power output end of power-switching circuit is connected to the power input of device end interface by an inductance.
Aforesaid conversion equipment with data transmission and charge function, wherein the device end interface is to be made of the RS-232 connector, computer terminal interface is to be made of a USB connector.
Aforesaid conversion equipment with data transmission and charge function, wherein signal change-over circuit and power-switching circuit are located at one independently in the conversion equipment, and connect the connector of distinct interface form.
Aforesaid conversion equipment with data transmission and charge function, wherein signal change-over circuit and power-switching circuit are built in an interface connector inside in directly, are connected with another interface connector by lead.
The beneficial effects of the utility model are, it mainly utilizes this conversion equipment for example can cooperate different transmission lines: general-purpose serial bus USB or RS-232, change transmission mutually and can carry out signal, and reach the power supply that utilizes computer terminal (PC HOST) function by this circuit device end (DEVICE) rapid charge.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a detailed circuit diagram of the present utility model.
Fig. 2 is that calcspar is used in a preferred embodiment of the present utility model.
Fig. 3 is a preferred embodiment schematic appearance of the present utility model.
Fig. 4 is another preferred embodiment schematic appearance of the present utility model.
Fig. 5 is the use calcspar of existing conversion equipment.
Figure number part: 10 signal change-over circuits, 101 microprocessors, 102 computer terminal interface, 103 device end interfaces, 104 device ends, 105 computer terminal 106USB Port 107RS-232 Ports, 20 power-switching circuits, 201 power supply changeover devices, 202 inductance, 30 change-over circuit 40RS-232 transmission line 50USB transmission lines
Embodiment
Relevant detailed circuit part of the present utility model sees also shown in Figure 1ly, and it includes:
One signal change-over circuit 10 mainly is to be made of a microprocessor 101, to carry out the conversion of signal;
One power-switching circuit 20 mainly is made of a power supply changeover device 201, so that control voltage and charge function to be provided; Wherein:
The microprocessor 101 output/output terminals of this signal change-over circuit 10 are respectively a computer terminal interface 102 and a device end interface 103, in order to be connected with computing machine and portable electronic devices; The power supply changeover device 201 of this power-switching circuit 20 is power end and the earth terminals that are connected to computer terminal interface 102 and device end interface 103, and the power output end of this power supply changeover device 201 is the power inputs that are connected to device end interface 103 by an inductance 202.
Aforesaid computer terminal interface 102 is to use the USB interface port to connect, and again, this device end interface 103 is to use the RS-232 interface port to connect.
Can understand detailed circuit structure of the present utility model by above-mentioned explanation, its principle of work is as described below:
See also shown in Figure 2, aforesaid computer terminal interface 102 is to be made of the USB interface port, and device end interface 103 is the RS-232 interface port, when computer terminal 105 (PCHOST) by USB Port 106 when conversion equipment 30 of the present utility model is connected to the RS-232 Port 107 of device end 104, device end 104 is to carry out rapid charge by the power supply that the power supply changeover device 201 of device end interface 103 by power-switching circuit 20 obtains computer terminals 105.Its high and low current potential of signal of sending by computer terminal interface 102 is respectively positive and negative logic level, and by the microprocessor 101 direct interpretations of signal change-over circuit 10 and carry out transmitting after the conversion of signals, make both pass through microprocessor 101 and can change transmission mutually, reach signal transfer functions.
See also shown in Figure 3, it is the schematic appearance of the utility model one preferred embodiment, it is that previous constructions is established in one independently in the conversion equipment 30, its two ends are connected with USB connector 50 and RS-23240 connector [promptly being respectively aforesaid computer terminal interface 102 and device end interface 103] respectively, to connect computer terminal and device end respectively.
Other sees also shown in Figure 4, is the schematic appearance of another preferred embodiment of the utility model, and it is to be built in RS-232 connector 40 inside by previous constructions in directly, and is connected with another USB connector 50 by lead.
From the above, the utility model can make different transmission interfaces for example via the signal change-over circuit: the computing machine of general-purpose serial bus USB and RS-232 and portable electronic device carry out the two-way signaling transmission, and can carry out rapid charge to device end need not adding under the charger situation, have novelty, creativeness, practicality, meet novel patent requirement, so file an application in accordance with the law.
Claims (5)
1. conversion equipment with data transmission and charge function is characterized in that it includes:
One signal change-over circuit is provided with one in order to carry out the microprocessor of conversion of signals and transmission;
One power-switching circuit is provided with one in order to the power supply changeover device of control voltage and charge function to be provided;
The microprocessor of this signal change-over circuit is connected with a device end interface with a computer terminal interface respectively; And the power supply changeover device of this power-switching circuit is connected with the power input of device end interface with the power output end of computer terminal interface respectively.
2. the conversion equipment with data transmission and charge function according to claim 1 is characterized in that the power output end of described power-switching circuit is connected to the power input of device end interface by an inductance.
3. the conversion equipment with data transmission and charge function according to claim 1 is characterized in that described device end interface is to be made of the RS-232 connector, and computer terminal interface is to be made of a USB connector.
4. the conversion equipment with data transmission and charge function according to claim 1 is characterized in that described signal change-over circuit and power-switching circuit be located at one independently in the conversion equipment, and connects the connector of distinct interface form.
5. the conversion equipment with data transmission and charge function according to claim 1 is characterized in that being built in an interface connector inside in described signal change-over circuit and power-switching circuit are directly, is connected with another interface connector by lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02237022 CN2553440Y (en) | 2002-05-31 | 2002-05-31 | Converter with data transmission and charge function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02237022 CN2553440Y (en) | 2002-05-31 | 2002-05-31 | Converter with data transmission and charge function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2553440Y true CN2553440Y (en) | 2003-05-28 |
Family
ID=33711108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02237022 Expired - Fee Related CN2553440Y (en) | 2002-05-31 | 2002-05-31 | Converter with data transmission and charge function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2553440Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104994440A (en) * | 2004-07-16 | 2015-10-21 | 赛乐得科技(北京)有限公司 | Methods, systems and apparatus for displaying the multimedia information from wireless communication networks |
-
2002
- 2002-05-31 CN CN 02237022 patent/CN2553440Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104994440A (en) * | 2004-07-16 | 2015-10-21 | 赛乐得科技(北京)有限公司 | Methods, systems and apparatus for displaying the multimedia information from wireless communication networks |
| CN104994440B (en) * | 2004-07-16 | 2017-03-01 | 赛乐得科技(北京)有限公司 | The method that the multi-media signal of high-speed radiocommunication system shows, system and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |