CN101315728B - Universal input device based on radio frequency recognition principle - Google Patents
Universal input device based on radio frequency recognition principle Download PDFInfo
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- CN101315728B CN101315728B CN2007100998696A CN200710099869A CN101315728B CN 101315728 B CN101315728 B CN 101315728B CN 2007100998696 A CN2007100998696 A CN 2007100998696A CN 200710099869 A CN200710099869 A CN 200710099869A CN 101315728 B CN101315728 B CN 101315728B
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Abstract
The invention provides a general input device based on the radio frequency identification principle, which relates to the electronic information technology and is used for mechanical electronic equipment; the device comprises a receiving end consisting of a switch module, a read module and a receiving-transmitting antenna module and an input end consisting of a coupling antenna module and an input module. The invention utilizes the uniqueness of a unique code of an electronic label in the radio frequency identification principle, leads the unique code to be corresponded to the needed control signal and changes the unique code of the electronic label sent by the input end through keystrokes; the receiving end converts different coded information into different control signal according to the received different coded information so as to operate the operation of the controlled equipment. The general input device of the invention utilizes the characteristics of the radio frequency identification technology, realizes an input device which does not need power supply, can be connected conveniently and fast, and can be used in different occasions, and solves the problems that the input device in the existing designing and manufacturing of the mechanical electronic equipment has high cost and more design limitation.
Description
Technical field
The present invention relates to electronic information technical field, is a kind of universal input device based on radio frequency recognition principle.
Background technology
Along with development of science and technology, the automaticity of people's work and life generally improves, and the past needs the manual work of finishing, and often only needs simple several button operations just can to finish automatically by opertaing device now.But different functions of the equipments, profiles all have nothing in common with each other, and the control signal that needs is also various.Therefore, though existing general QWERTY keyboard design and fabrication technology often can't satisfy the requirement of specialized equipment.Some is because QWERTY keyboard number of keys and requirement are not inconsistent, some is because QWERTY keyboard key position is provided with intuitively inadequately, causes maloperation easily, also in some cases, equipment itself does not have enough spaces that keyboard is set, or working environment does not allow directly to connect keyboard.At such situation, it is good to need a kind of compatibility, can freely customize, the convenient again input equipment of installing.
Radio-frequency (RF) identification (RFID) technology is a kind of non-contact automatic identification technology of realizing based on radio frequency principle.The most basic radio-frequency (RF) identification (RFID) system consists of the following components: the upper system of electronic tag, read write line and read write line.The principle of work of radio-frequency (RF) identification (RFID) system is as follows: read write line is by the radiofrequency signal of emitting antenna scattering certain frequency, when electronic tag enters the emitting antenna perform region, respond to this radiofrequency signal and produce induction current, and therefrom extract energy activated circuit own; The electronic tag that is in state of activation returns with himself coding by the built-in transmitting antenna of label and waits the carrier signal of the information that needs transmission as answer signal; System's receiving antenna receives the carrier signal that electronic tag returns, and is returned to read write line through the antenna adjustments device; Being sent to the backstage main system behind the signal that read write line demodulation sign indicating number receives filters and authenticates; Main system receives information that read write line transmits and judges the legitimacy of this electronic tag according to logical operation, and handles accordingly or send the action of command signal control executing mechanism according to different set.
Utilize the characteristics of REID, the electronic tag coded message is mapped as control signal, again reader/writer module is integrated into the equipment input end, just can realize a kind of passive, wireless, input equipment that again can independent assortment, so both satisfy the requirement of each side, can save the cost of a large amount of overlapping development again.
Summary of the invention
The objective of the invention is to utilize the characteristics of REID, disclose a kind of universal input device, to realize and on distinct device, to use based on radio frequency recognition principle.
For achieving the above object, technical scheme of the present invention is:
A kind of universal input device based on radio frequency recognition principle, it comprises independently input end, receiving end two parts, input end is positioned at the operating personnel place, receiving end is electrically connected with controlled plant, wherein, input end contains an at least one load module and a coupled antenna module, and both are electrically connected, and is used for selecting and sending control signal; Receiving end contains a dual-mode antenna module, a read module and a modular converter, and the three is electrically connected, and automatic reception and conversion convert thereof into the control signal of equipment from the signal of input end, are transferred to controlled plant again;
Input end and receiving end transmit energy and signal by RF-wise.
Described universal input device, the load module of its described input end comprises an electronic label chip and a keyswitch of being packaged together; Wherein stored a unique coding in the electronic label chip, be used for distinguishing mutually with other electronic label chip; Load module leaves lead, contact and draw-in groove, is used for being connected with other modules and fixing; According to using needs, a majority load module parallel connection is connected, with most different control signals of corresponding controlled plant needs.
Described universal input device, the coupled antenna module of its described input end, its antenna impedance equal keyswitch and the combined characteristic impedance that is connected lead.
Described universal input device, the dual-mode antenna module of its described receiving end, its antenna impedance equals the characteristic impedance of lead.
Described universal input device, the read module of its described receiving end, the electronic label chip coupling in the load module of its frequency of operation and communications protocol and input end normally reads the information of input end to guarantee receiving end.
Described universal input device, the modular converter of its described receiving end, the read module signal transmitted is converted to the control information of controlled plant identification after, send to controlled plant, to implement controlling to the controlled plant function.
Universal input device of the present invention, utilize the characteristics of REID, realized a kind of power supply that need not, can make things convenient for fast to connect, be used in the input equipment of different occasions, solved present mechano-electronic equipment and manufactured and designed middle input equipment cost of development height, design limit problem how.
Description of drawings
Fig. 1 is the universal input device block diagram that the present invention is based on radio frequency recognition principle;
Fig. 2 is the universal input device connection diagram that the present invention is based on radio frequency recognition principle.
Embodiment
The principle of universal input device disclosed by the invention is as follows:
A kind of universal input device based on radio frequency recognition principle is made up of load module, coupled antenna module, dual-mode antenna module, read module, modular converter five parts.Wherein load module and coupled antenna module link together, and constitute input end of the present invention jointly, are used for selecting and sending control signal.Dual-mode antenna module, read module and modular converter three parts link together, and constitute receiving end of the present invention, receive and change the signal from input end.Input end directly is not connected with receiving end, transmits energy and signal by RF-wise.
Based on the universal input device of radio frequency principle, its input end is by user's control and selection as previously mentioned, and receiving end is installed on the controlled plant, and the signal of automatic reception input end converts thereof into the control signal of equipment and passes to controlled plant.
The load module of universal input device is by an electronic label chip that is packaged together as previously mentioned, and a keyswitch constitutes, and has wherein stored a unique coding in the electronic label chip, is used for and other electronic label chip difference.Load module leaves lead, contact and draw-in groove, is used for being connected with other modules and fixing.According to using needs, a plurality of load modules can be connected, thereby the different signal that corresponding controlled plant needs is relation in parallel between the load module that links together.
The coupled antenna module of universal input device as previously mentioned, its antenna impedance equals the combined characteristic impedance of keyswitch and lead.
The dual-mode antenna module of universal input device as previously mentioned, its antenna impedance equals the characteristic impedance of lead.
The read module of universal input device as previously mentioned, the electronic label chip coupling in its frequency of operation and communications protocol and the load module can normally read the information of input end to guarantee receiving end.
The modular converter of universal input device links together with read module as previously mentioned, converts the read module signal transmitted to control information that controlled plant can be discerned, and sends to controlled plant.
As the preceding concrete model of telling in the universal input device that electronic label chip, read module adopted, now be exemplified below:
Electronic label chip, the Tag-it HF-IInlay13.56MHz electronic label chip that optional BL75R0213.56MHz electronic label chip with Shanghai Belling Co., Ltd.'s production, TI company produce etc.;
Read module, optional SUM1356T13.56MHz electronic label read-write module, power of producing with Shanghai Sa Meng electronics technology company limited gets the LD03613.56MHz electronic label read-write module of numeral science and technology (Changchun) company limited production etc.
Should be noted that; above-mentioned each parts required product, frequency of operation and model; implementation only of the present invention for convenience of description; scope of the present invention is not limited by it; in any modification or partial replacement that does not depart from the scope of the present invention, all belong to claim of the present invention and protect institute's restricted portion.
Below in conjunction with accompanying drawing the present invention is described in detail.
In the accompanying drawing 1:
Each several part is respectively: receiving end 1, input end 2, modular converter 3, read module 4, dual-mode antenna module 5, coupled antenna module 6, load module 7.
Wherein receiving end 1 links together with controlled plant, be used to receive information that input end sends and send control signal to controlled plant, input end 2 is used to carry out input operation by operating personnel's control, receiving end 1 directly is not connected with input end 2, but transmits energy and signal by RF-wise.Receiving end 1 is made up of modular converter 3, read module 4 and dual-mode antenna module 5, wherein read module 4 sends energy and signal by dual-mode antenna module 5 to input end 2, and receive the unique coding that returns from input end 2, and sending to modular converter 3, modular converter 3 becomes this unique code conversion the discernible control signal of controlled plant and sends to controlled plant; Input end 2 is made up of coupled antenna module 6 and load module 7, wherein load module 7 is circuit of a keyswitch control, after button is pressed, electronic label chip wherein just is connected with coupled antenna module 6, form a complete electronic tag circuit, can be received end 1 and activate and identification.
When the required control signal of controlled plant during more than one, then comprise in the input end 2 by a plurality of load module 7 common load module groups of forming, the concrete quantity of load module 7 is identical with required control signal quantity, be relation in parallel between each load module 7, thereby guarantee all corresponding a kind of control signal of each module and can work alone.
In the accompanying drawing 2:
Each several part is respectively: receiving end 1, input end 2, controlled plant 8.
Wherein receiving end 1 and controlled plant 8 are connected by cable, controlled plant 8 provides power supply to receiving end 1, receiving end 1 transmits control signal to controlled plant 8, need to prove, receiving end 1 can be integrated and be installed in controlled plant 8 inside, for convenience of description the two is separated among the figure, the universal input device receiving end of not representing the present invention and being realized is only realized in this way.Input end 2 does not all have directly with controlled plant 8 with receiving end 1 and is connected, and receiving end 1 provides energy by RF-wise to input end, obtains the selected information of input end simultaneously.
The principle of work of universal input device that the present invention realizes is described below in conjunction with above two figure:
Controlled plant 8 provides energy to receiving end 1, and the read module 4 in the receiving end 1 is started working, and it waits for the information of input end 2 by dual-mode antenna module 5 outside emitting radio frequency signals.When not having button to press on the input end 2, circuit wherein all is in off-state, and this moment, receiving end 1 can't read any information, promptly corresponding nothing input waiting status.When a button on the input end 2 is pressed, its pairing load module 7 just is communicated with coupled antenna module 6, electronic label chip wherein, lead, switch and coupled antenna constitute a complete electronic tag circuit, the radiofrequency signal that this electronic tag circuit is subjected to receiving end 1 outside emission promptly is activated, simultaneously unique coding of being stored in the return electron label chip.After receiving end 1 was received this unique coding, read module 4 sent to modular converter 3 with this information, and modular converter 3 is converted to corresponding control signal with this unique coded message, sends to controlled plant 8, thereby finishes corresponding operating.
At different controlled plants 8, need in modular converter 3, carry out corresponding setting, make different unique coded messages corresponding with different control signals, could guarantee the operate as normal of input equipment.
Describing above is to be used to realize the present invention and embodiment; scope of the present invention should not described by this and limit; it should be appreciated by those skilled in the art,, all belong to claim of the present invention and protect institute's restricted portion in any modification or partial replacement that does not depart from the scope of the present invention.
Claims (5)
1. universal input device based on radio frequency recognition principle, it is characterized in that, comprise independently input end, receiving end two parts, input end is positioned at the operating personnel place, contains an at least one load module and a coupled antenna module, and both are electrically connected, be used for selecting and sending control signal, the load module of input end comprises an electronic label chip and keyswitch that is packaged together, and has wherein stored a unique coding in the electronic label chip, is used for distinguishing mutually with other electronic label chip; Receiving end is electrically connected with controlled plant, contains a dual-mode antenna module, a read module and a modular converter, and the three is electrically connected, and automatic reception and conversion convert thereof into the control signal of equipment from the signal of input end, are transferred to controlled plant again; Input end and receiving end transmit energy and signal by RF-wise; In the use, controlled plant provides energy to receiving end, and the read module in the receiving end is by the outside emitting radio frequency signal of dual-mode antenna module, when input end does not have keyswitch to press, circuit is in off-state, and receiving end can't read any information, promptly corresponding nothing input waiting status; When a keyswitch of input end was pressed, its pairing load module just was communicated with the coupled antenna module, constituted a complete electronic tag circuit, simultaneously unique coding of being stored in the return electron label chip; After receiving end was received this unique coding, read module sent to modular converter with this information, and modular converter is converted to corresponding control signal with this unique coded message, sends to controlled plant, complete operation; When the required control signal of controlled plant during more than one, input end comprises by the common load module group of forming of a plurality of load modules, the concrete quantity of load module is identical with required control signal quantity, between each load module relation in parallel, corresponding a kind of control signal of each module and working alone.
2. universal input device as claimed in claim 1 is characterized in that, the coupled antenna module of described input end, its antenna impedance equal keyswitch and the combined characteristic impedance that is connected lead.
3. universal input device as claimed in claim 1 is characterized in that, the dual-mode antenna module of described receiving end, and its antenna impedance equals the characteristic impedance of lead.
4. universal input device as claimed in claim 1 is characterized in that, the read module of described receiving end, and the electronic label chip coupling in the load module of its frequency of operation and communications protocol and input end normally reads the information of input end to guarantee receiving end.
5. universal input device as claimed in claim 1, it is characterized in that, the modular converter of described receiving end, the read module signal transmitted is converted to the control information of controlled plant identification after, send to controlled plant, to implement controlling to the controlled plant function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100998696A CN101315728B (en) | 2007-05-31 | 2007-05-31 | Universal input device based on radio frequency recognition principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100998696A CN101315728B (en) | 2007-05-31 | 2007-05-31 | Universal input device based on radio frequency recognition principle |
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| Publication Number | Publication Date |
|---|---|
| CN101315728A CN101315728A (en) | 2008-12-03 |
| CN101315728B true CN101315728B (en) | 2010-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100998696A Expired - Fee Related CN101315728B (en) | 2007-05-31 | 2007-05-31 | Universal input device based on radio frequency recognition principle |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1925885A (en) * | 2004-03-03 | 2007-03-07 | 株式会社根本杏林堂 | Medical solution injection system |
| CN1950836A (en) * | 2004-04-30 | 2007-04-18 | 金伯利-克拉克环球有限公司 | Activating a data tag by load or orientation or user control |
-
2007
- 2007-05-31 CN CN2007100998696A patent/CN101315728B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1925885A (en) * | 2004-03-03 | 2007-03-07 | 株式会社根本杏林堂 | Medical solution injection system |
| CN1950836A (en) * | 2004-04-30 | 2007-04-18 | 金伯利-克拉克环球有限公司 | Activating a data tag by load or orientation or user control |
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| Publication number | Publication date |
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| CN101315728A (en) | 2008-12-03 |
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Owner name: QINHUANGDAO ZHONGKE BAIJIAN ELECTRONIC INFORMATION Free format text: FORMER OWNER: INSTITUTE OF AUTOMATION, CHINESE ACADEMY OF SCIENCES Effective date: 20141231 |
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Free format text: CORRECT: ADDRESS; FROM: 100080 HAIDIAN, BEIJING TO: 066000 QINHUANGDAO, HEBEI PROVINCE |
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Effective date of registration: 20141231 Address after: 066000 Hebei Qinhuangdao economic and Technological Development Zone number Valley Building 1101 Patentee after: QINHUANGDAO ZHONGKEBAIJIE ELECTRONIC INFORMATION TECHNOLOGY CO., LTD. Address before: 100080 Zhongguancun East Road, Beijing, No. 95, No. Patentee before: Institute of Automation, Chinese Academy of Sciences |
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Granted publication date: 20100922 Termination date: 20210531 |
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