CN203840344U - Serial data transmission system - Google Patents

Serial data transmission system Download PDF

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Publication number
CN203840344U
CN203840344U CN201420029074.3U CN201420029074U CN203840344U CN 203840344 U CN203840344 U CN 203840344U CN 201420029074 U CN201420029074 U CN 201420029074U CN 203840344 U CN203840344 U CN 203840344U
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CN
China
Prior art keywords
signal
data
transmission system
serial
data transmission
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Expired - Fee Related
Application number
CN201420029074.3U
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Chinese (zh)
Inventor
祝衍军
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Dongguan Polytechnic
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Dongguan Polytechnic
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Priority to CN201420029074.3U priority Critical patent/CN203840344U/en
Application granted granted Critical
Publication of CN203840344U publication Critical patent/CN203840344U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to the technical field of data transmission systems and especially discloses a serial data transmission system. The data transmission system comprises a screen light source, a photoelectric conversion unit and a serial data signal analyzing unit. An adopted transmission method comprises the following steps that a display screen of a host computer is controlled to be brighter or darker in line with certain protocol rules according to data to be transmitted, and original light data signals are emitted; the photoelectric conversion unit senses the strength of the screen light data signals and generates high and low level signals changing with the signal strength; and the serial data signal analyzing unit finishes analysis of the high and low level signals according to electronic signals of the photoelectric conversion unit to acquire data signals required in reality. By means of the transmission system and the transmission method provided by the utility model, connecting ports like serial ports of electronic equipment are no longer depended on. The serial data transmission system is thus adapted to the modern electronic equipment development trend and solves the problem that electronic equipment ports are not unified. The serial data transmission system which is convenient to use has great versatility.

Description

A kind of serial data transmission system
Technical field
The utility model relates to data transmission system technical field, refers in particular to a kind of serial data transmission system.
Background technology
Conventionally, some equipment (as intelligent toy) that we use need to be connected with PC by network interface or USB mouth, serial ports etc., complete program upgrade or Data Update to equipment.
Current, emerging intelligent electronic device is more and more general, for example, notebook computer, panel computer, smart mobile phone etc., most equipment, in order to improve its portability, does thinner and thinner, serial ports and wired network interface are almost eliminated, and master chip in some low side electronic equipments, if support network interface, WIFI wireless network, often needs higher cost.If support USB port, the usb compliant of mobile phone, PC, panel computer disunity again, need to be equipped with the interconnection line of various criterion interface.
Therefore carry out program upgrade or very inconvenience of Data Update for modes such as the serial ports by connecting intelligent electronic device.
Utility model content
The utility model is to carry out program upgrade or the Data Update deficiency that very inconvenience exists for modes such as the serial ports of current equipment connection intelligent electronic device, and a kind of serial data transmission system overcoming the above problems is provided.
For achieving the above object, the utility model adopts following technical scheme:
A kind of serial data transmission system, described serial data transmission system comprises with lower unit:
Screen light source: for intelligent electronic device is as the display screen of host computer, host computer brightens according to certain protocol rule control screen according to data to be sent or be dimmed, sends original light data-signal; Definition light represents 1, light secretly represents 0 or contrary;
Photoelectric conversion unit: receive the light data-signal that screen light source sends, the power of induction light photograph, produces the low and high level thereupon changing, and convert 0 or 1 electronic signal to;
Serial digital signal resolution unit: receive the electronic signal that photoelectric conversion unit converts to, and according to the protocol rule of transmitting terminal, complete the parsing of serial signal, obtain the data-signal that actual needs uses.
Preferably, described serial data transmission system also comprises:
Transmission line: the data-signal of transmission serial digital signal resolution unit, formed by two cables, comprise ground wire, holding wire;
Splicing ear: connect transmission line, data-signal is transferred to the terminal of plugging into of slave computer.
The beneficial effects of the utility model are: a kind of serial data transmission system of the present utility model and serial data transmission method, data transmission system comprises screen light source, photoelectric conversion unit, serial digital signal resolution unit, transmission method is, the display screen of host computer brightens the data of needs transmission or is dimmed according to certain protocol rule control screen, send original light data-signal; The power of photoelectric conversion unit induction screen light data-signal, produces the low and high level signal thereupon changing; Serial digital signal is resolved according to the electronic signal of unit photoelectric conversion unit, completes the parsing of low and high level signal, obtains the data-signal that actual needs uses; Use transmission system level transmission method of the present utility model, without the connectivity port such as serial ports that relies on electronic equipment, adapt to the trend of the development of modern electronic equipment, and the skimble-scamble problem of solution electronic equipment port, easy to use, highly versatile, can meet the demand of the transfer of data such as the upgrading of kernel program well.
Brief description of the drawings
Fig. 1 is the structure chart of the utility model serial data transmission system
The photosensitive LED of Fig. 2 forms photoelectric conversion unit electrical block diagram
Embodiment
Be further elaborated below in conjunction with 1,2 pairs of the utility model of accompanying drawing:
A kind of serial data transmission system, described serial data transmission system comprises with lower unit:
Screen light source 1: for intelligent electronic device is as the display screen of host computer, host computer brightens according to certain protocol rule control screen according to data to be sent or be dimmed, sends original light data-signal; Definition light represents 1, light secretly represents 0 or contrary;
Photoelectric conversion unit 2: receive the light data-signal that screen light source sends, the power of induction light photograph, produces the low and high level thereupon changing, and convert 0 or 1 electronic signal to; Photoelectric conversion unit can coordinate other signal integration the electric circuit constitute by photosensitive LED or photo resistance; Be illustrated in figure 2 a photosensitive LED and form photoelectric conversion unit structural representation, in the time that screen is luminous, photosensitive LED conducting, in the time that screen is not luminous, photosensitive LED resistance infinity, thus at V.End produces different voltage signals; Certainly, those skilled in the art can be arranged to photoelectric conversion unit other more excellent mode and realize.
Serial digital signal resolution unit 3: receive the electronic signal that photoelectric conversion unit converts to, and according to the protocol rule of transmitting terminal, complete the parsing of serial signal, obtain the data-signal that actual needs uses.Protocol rule as described herein, we can freely define, also can be with reference to existing any asynchronous serial communication protocol.
With the transfer of data of slave computer (use equipment), certainly can use multiple transmission means, as wireless transmission forms such as Bluetooth protocols, but in order to save old, the transmission system of the present embodiment also arranges
Transmission line 4: the data-signal of transmission serial digital signal resolution unit, formed by two cables, comprise ground wire, holding wire;
Splicing ear 5: connect transmission line, data-signal is transferred to the terminal of plugging into of slave computer.
Be directly connected to slave computer by transmission line and splicing ear.
Certainly in order better to save cost, photoelectric conversion unit can be transferred to slave computer by output signal by a photosensitive head, thereby and in slave computer, be designed with signal integration circuit form photoelectric conversion unit, photosensitive head and signal integration the electric circuit constitute photoelectric conversion unit, serial digital signal resolution unit is arranged on the parsing of carrying out serial signal in slave computer.
Transmission line: formed by two cables, comprise ground wire, holding wire.
A kind of serial data transmission method of the present utility model, comprises the following steps:
The display screen of A, host computer brightens the data of needs transmission or is dimmed according to certain protocol rule control screen, send original light data-signal;
The power of B, photoelectric conversion unit induction screen light data-signal, produces the low and high level signal thereupon changing;
C, serial digital signal are resolved according to the electronic signal of unit photoelectric conversion unit, complete the parsing of low and high level signal, obtain the data-signal that actual needs uses.
The beneficial effects of the utility model are: a kind of serial data transmission system of the present utility model and serial data transmission method, data transmission system comprises screen light source, photoelectric conversion unit, serial digital signal resolution unit, transmission method is, the display screen of host computer brightens the data of needs transmission or is dimmed according to certain protocol rule control screen, send original light data-signal; The power of photoelectric conversion unit induction screen light data-signal, produces the low and high level signal thereupon changing; Serial digital signal is resolved according to the electronic signal of unit photoelectric conversion unit, completes the parsing of low and high level signal, obtains the data-signal that actual needs uses; Use transmission system level transmission method of the present utility model, without the connectivity port such as serial ports that relies on electronic equipment, adapt to the trend of the development of modern electronic equipment, and the skimble-scamble problem of solution electronic equipment port, easy to use, highly versatile, can meet the demand of the transfer of data such as the upgrading of kernel program well.
The above embodiment, it is preferred embodiments of the present utility model, be not to limit the utility model practical range, the equivalence of doing according to structure, feature and principle described in the utility model claim therefore all changes or modifies, and all should be included in the utility model patent claim.

Claims (2)

1. a serial data transmission system, is characterized in that, described serial data transmission system comprises with lower unit:
Screen light source: for intelligent electronic device is as the display screen of host computer, host computer brightens according to certain protocol rule control screen according to data to be sent or be dimmed, sends original light data-signal; Definition light represents 1, light secretly represents 0 or contrary;
Photoelectric conversion unit: receive the light data-signal that screen light source sends, the power of induction light photograph, produces the low and high level thereupon changing, and convert 0 or 1 electronic signal to;
Serial digital signal resolution unit: receive the electronic signal that photoelectric conversion unit converts to, and according to the protocol rule of transmitting terminal, complete the parsing of serial signal, obtain the data-signal that actual needs uses.
2. a kind of serial data transmission system according to claim 1, is characterized in that: described serial data transmission system also comprises:
Transmission line: the data-signal of transmission serial digital signal resolution unit, formed by two cables, comprise ground wire, holding wire;
Splicing ear: connect transmission line, data-signal is transferred to the terminal of plugging into of slave computer.
CN201420029074.3U 2014-01-16 2014-01-16 Serial data transmission system Expired - Fee Related CN203840344U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420029074.3U CN203840344U (en) 2014-01-16 2014-01-16 Serial data transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420029074.3U CN203840344U (en) 2014-01-16 2014-01-16 Serial data transmission system

Publications (1)

Publication Number Publication Date
CN203840344U true CN203840344U (en) 2014-09-17

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Application Number Title Priority Date Filing Date
CN201420029074.3U Expired - Fee Related CN203840344U (en) 2014-01-16 2014-01-16 Serial data transmission system

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103780306A (en) * 2014-01-16 2014-05-07 祝衍军 Serial data transmission system and serial data transmission method
CN105389147A (en) * 2015-10-21 2016-03-09 北京石盾科技有限公司 Data transmission method, equipment and system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103780306A (en) * 2014-01-16 2014-05-07 祝衍军 Serial data transmission system and serial data transmission method
CN105389147A (en) * 2015-10-21 2016-03-09 北京石盾科技有限公司 Data transmission method, equipment and system
CN105389147B (en) * 2015-10-21 2017-11-28 北京石盾科技有限公司 A kind of data transmission method, equipment and its system

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140917

Termination date: 20150116

EXPY Termination of patent right or utility model