CN201402468Y - Information exchange device - Google Patents
Information exchange device Download PDFInfo
- Publication number
- CN201402468Y CN201402468Y CN2009200687263U CN200920068726U CN201402468Y CN 201402468 Y CN201402468 Y CN 201402468Y CN 2009200687263 U CN2009200687263 U CN 2009200687263U CN 200920068726 U CN200920068726 U CN 200920068726U CN 201402468 Y CN201402468 Y CN 201402468Y
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- interactive device
- information interactive
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Abstract
The utility model provides an information exchange device comprising an external framework, a front panel and a rear panel; an accommodating space is formed in the external framework; a control circuit is arranged in the external framework; the control circuit comprises a micro control unit, a battery unit, a keyboard unit, a radio frequency unit, an antenna unit, an LED display unit and a short-range e-tag, wherein a control program is arranged in the interior of the micro control unit, the battery unit is connected with the micro control unit, the keyboard unit is connected with the input end of the micro control unit, the radio frequency unit is connected with the micro control unit in a two-way communicating manner, the antenna unit is connected with the radio frequency unit and used for receiving and dispatching radio frequency signals on a work frequency band of 2.45 GHZ, the LCD display unit is connected with the output end of the micro control unit, and the work frequency bandshort-range e-tag is 13.56 MHz. The information exchange device provided by the utility model adopts a work frequency band of 2.45 GHZ and is equipped with the short-range e-tag with the work frequency band of 13.56 MHz in the interior thereof, thereby achieving distant-range, low-power consumption, anti-collision information interaction as well as short-rang radio frequency communication.
Description
Technical field
The utility model relates to a kind of information interactive device, refers to a kind of active electronic label based on the RFID technology especially.
Background technology
Along with the development of electronic tag, electronic tag not only can attached on the article to be identified as the electronic marker of article to be identified, but also can be used as a kind of instrument of information interaction.For instance, electronic tag can be used as the instrument that carries out classroom interaction between student and teacher in school.The teacher sends the radiofrequency signal that comprises contents of test question by reader to the student, the student receives this radiofrequency signal that is sent by reader by the electronic tag of holding, and the radiofrequency signal that will include answer sends to the reader that the teacher holds by electronic tag, thereby realizes the information interaction between student and teacher.
In above-mentioned application, reader need carry out information interaction with numerous electronic tags.Yet, in the presence of all multiple electronic label is simultaneously when reader sends radiofrequency signal, because reader can only receive the radiofrequency signal that electronic tag sent of some simultaneously, read the reliability of carrying out information interaction between the speed of the radiofrequency signal that electronic tag sends and reader and the electronic tag thereby therefore cause the phenomenon of signal bumping to reduce reader easily.Therefore existing electronic tag can only be applied to participate in can not satisfying the demand of being used on a large scale in the occasion fewer in number.And it is the passive electronic label of non-microwave frequency band (2.45GHz following) that existing electronic tag adopts working frequency range usually, thereby so reader can receive the more limited application that limits electronic tag of reading range of the radiofrequency signal that electronic tag sends reliably.
In view of the defective of above-mentioned prior art, therefore be necessary to provide a kind of improved technology to overcome above-mentioned shortcoming.
Summary of the invention
The purpose of this utility model is to provide a kind of information interactive device, by adopting 2.45GHz is that microwave frequency band is as working frequency range, and be provided with the closely electronic tag of employing 13.56MHz simultaneously in the inside of information interactive device as working frequency range, thereby can realize remote, low-power consumption, anti-information interaction of colliding and enlarge the application of information interactive device, can realize in-plant radio communication again.
In order to achieve the above object, major technique means of the present utility model are to provide a kind of information interactive device, comprise external frame, front panel and rear panel, this front panel is embedded in the front surface of this external frame, this rear panel is embedded in the rear surface of external frame, thereby in external frame, form an accommodation space, in this accommodation space, be provided with and be used for the control circuit that control information interactive device and reading system carry out information interaction, it comprises: micro-control unit, and inside is provided with control program; Battery unit is connected with this micro-control unit, and being used for provides power supply and provide required radio-frequency (RF) energy for communicating by letter between information interactive device and reading system to this micro-control unit; Keyboard unit is connected with the input end of this micro-control unit, is used for transmitting the radiofrequency signal that includes corresponding information to microprocessor; Radio frequency unit is connected with this micro-control unit two-way communication, is used for handling to the radiofrequency signal of keyboard unit transmission and from the radiofrequency signal that reading system receives; Antenna element is connected with this radio frequency unit, is used for sending the radiofrequency signal of keyboard unit transmission and receive the radiofrequency signal that is sent by reading system on the 2.45GHz working frequency range to reading system on the 2.45GHz working frequency range; The LCD display unit is connected with the output terminal of this micro-control unit, is used for the corresponding information of display keyboard unit transmission and the corresponding information that reading system sends; And electronic tag closely, its working frequency range is 13.56MHz, is used to realize in-plant radio communication.
By technique scheme, be provided with the closely electronic tag that electric independence and working frequency range are 13.56MHz in the information interactive device of the present utility model, thereby can realize in-plant radio communication, for example carry out entrance guard management, small amount payment etc.; And information interactive device of the present utility model is for adopting the active electronic label of 2.45GHz working frequency range, thereby can realize remote, low-power consumption, anti-information interaction of colliding.Because the characteristic of this remote information interaction, so enlarged the range of application of information interactive device, for example in the campus, places such as hospital, home for destitute, meeting-place carry out personnel's tracking, interactive teaching and learning etc.; Because the characteristic of this low-power consumption, so battery unit can keep information interactive device work more than 5 years, thereby realizes that information interactive device of the present utility model can use for a long time, non-maintaining effect; Because should anti-characteristic of colliding, satisfy the demand of in the many occasions on a large scale of participation number, using thereby therefore improved the reliability that information interactive device carries out information interaction.
Further, described micro-control unit, keyboard unit, radio frequency unit and antenna element are located on the printed circuit board (PCB); Described LCD display unit comprises LCD display and is located at LCD gum sheet under this LCD display, and this LCD display is connected with flat conductor, and this flat conductor also is connected with printed circuit board (PCB); Described battery unit is connected with printed circuit board (PCB).On described rear panel, be equipped with and be used for wearing groove and being provided with being used to fill up this and sealing the envelope piece of wearing groove to sealing of the burned control program of described micro-control unit.Also be provided with inner frame in the described accommodation space; Described closely electronic tag is located between the inside surface of the lower surface of this inner frame and described rear panel; Described LCD display unit is located between the upper surface and printed circuit board (PCB) of this inner frame; Described battery unit is located on the inside surface of rear panel.Upper surface in the described inner frame is provided with groove, also is equipped with perforation in this groove, and described LCD display unit is located in this groove, and described closely electronic tag is limited in this perforation.Also be equipped with on the described printed circuit board (PCB) and be used to be covered on the outer LCD groove of described LCD display unit.Be equipped with on the described front panel and be used to be covered on the outer keyboard groove of described keyboard unit and be used to be covered on the outer LCD groove of described LCD display unit.Described rear panel is provided with storage tank, and described closely electronic tag is located in this storage tank.By above-mentioned simple structure, make things convenient for the user to carry thereby make information interactive device of the present utility model have the little characteristics of thickness.
Further, described keyboard unit is an inductance capacitance formula touch keyboard.By this device, thereby make information interactive device of the present utility model have antifouling, waterproof, anti-wear characteristic guarantees that information interactive device of the present utility model relatively being used chronically under the harsh environmental conditions, prolongs its serviceable life.
Description of drawings
Fig. 1 is the front schematic view of information interactive device of the present utility model;
Fig. 2 is the schematic rear view of information interactive device of the present utility model;
Fig. 3 is the STRUCTURE DECOMPOSITION figure of information interactive device of the present utility model; And
Fig. 4 is the control circuit module figure of information interactive device of the present utility model.
Embodiment
As shown in Figure 1 and Figure 2, information interactive device of the present utility model is for having certain thickness card-like, and its outside comprises external frame 10, front panel 20 and rear panel 30.This external frame 10 is for having certain thickness framework.This front panel 20 is embedded in the front surface of external frame 10, and this rear panel 30 is embedded in the rear surface of external frame 10, thereby externally the inside of framework 10 forms an accommodation space.
Further specify information interactive device inner structure of the present utility model below in conjunction with Fig. 3.In the inner accommodation spaces that form of external frame 10, be provided with battery unit 40, closely electronic tag 50, inner frame 60, LCD display unit 70 and printed circuit board (PCB) 80.Fig. 3 also illustrates and also is equipped with LCD groove 21 and keyboard groove 22 on the described front panel 20, also is provided with storage tank 31 on the inside surface of described rear panel 30 and is equipped with to seal to wear groove 32.This battery unit 40 is arranged on the inside surface of rear panel 30, is used for powering to information interactive device of the present utility model.This closely electronic tag 50 be arranged in the storage tank 31 of rear panel 30.This closely the working frequency range of electronic tag 50 be 13.56MHz, and this closely electronic tag 50 comprise basic electronic tag assembly (for prior art so do not give unnecessary details) thus can realize in-plant radio communication.This inner frame 60 is a rectangle plate body, and the surface offers a groove 61 thereon, also is equipped with rectangle perforation 62 in this groove 61.This perforation 62 the size and the coupling of electronic tag 50 closely, thereby and be covered on this closely electronic tag 50 outer closely electronic tags 50 be limited in the storage tank 31 of rear panel 30.This LCD display unit 70 comprises LCD gum sheet 71 and LCD display 72.This LCD gum sheet 71 is arranged in the groove 61 of inner frame 60, and this LCD display 72 is located at the upper surface of this LCD gum sheet 71.This LCD display 72 also is connected with a flat conductor 721.Be equipped with LCD groove 81 on this printed circuit board (PCB) 80 and be provided with keyboard unit 90, and be connected with battery unit 40.Thereby this LCD groove 81 is covered on outside the LCD display 72 LCD display 72 is limited in the groove 61 of inner frame 60, and this LCD display 72 is connected with this printed circuit board (PCB) 80 by flat conductor 721.The radio frequency unit 110 (as shown in Figure 4) that also be provided with micro-control unit 100 (as shown in Figure 4) that inside is provided with control program on this printed circuit board (PCB) 80, is used to handle radiofrequency signal connects and is used to receive and dispatch the antenna element 120 (as shown in Figure 4) of radiofrequency signal.The front panel 20 that is embedded at external frame 10 front surfaces be covered on this printed circuit board (PCB) 80 and the position of LCD groove 21 on this front panel and keyboard groove 22 corresponding with the position of LCD display 72 and keyboard unit 90 respectively.In addition, after the information interactive device assembling being finished according to above-mentioned assembling sequence, can wear groove 32 to micro-control unit 100 burned specific control programs by sealing on the rear panel 30, and cooperate after finishing and an envelope piece 33 is packed into this seals and wear in the groove 32 in that control program is burned.By above-mentioned simple structure, little characteristics make things convenient for the user to carry thereby information interactive device of the present utility model has thickness.Preferably, that this keyboard unit 50 can adopt is antifouling, waterproof, antiwear inductance capacitance formula touch keyboard, thereby can guarantee further that information interactive device of the present utility model relatively being used chronically under rugged environment (for example industrial environment) condition, prolongs its serviceable life.
Information interactive device of the present utility model is realized information interaction with reading system by control circuit.As shown in Figure 4, this control circuit comprises micro-control unit 100, battery unit 40, keyboard unit 90, radio frequency unit 110, antenna element 120, LCD display unit 70 and electronic tag 50 closely.This micro-control unit 100 is connected with battery unit 40, keyboard unit 90, radio frequency unit 110 and LCD display unit 70 respectively, and this closely electronic tag 50 be an electric independently unit, be not connected with said units.Thereby this battery unit 40 is used for providing power supply to drive micro-control unit 100 to micro-control unit 100 carries out work, and the radio-frequency (RF) energy that signal post needs between information interactive device and reading system is provided.Therefore information interactive device of the present utility model be active (Active) thus electronic tag can be realized at a distance, the information interaction of low-power consumption.Because information interactive device of the present utility model has the characteristic of low-power consumption, so battery unit 40 can keep information interactive device work more than 5 years, thereby realizes that information interactive device of the present utility model can use for a long time, non-maintaining effect.This keyboard unit 90 is connected with the input end of described micro-control unit 100, can send corresponding signal to micro-control unit 100 when the information interactive device possessor presses keyboard unit 90 according to the selection of oneself.This radio frequency unit 110 is connected with described micro-control unit 100 two-way communications, and this radio frequency unit 110 also is connected with the antenna element 120 that is used to accept and send radio frequency signal.The effect of this radio frequency unit 110 be radiofrequency signal that keyboard unit 90 is transmitted and from the radiofrequency signal that reading system receives amplify, signal Processing such as filtering.The working frequency range of information interactive device of the present utility model is 2.45GHz, its advantage is that 2.45GHz is ISM (the Industrial Scientific Medical) frequency range in a whole world, its frequency range is 2.4Ghz to 2.4853Ghz, ISM band is mainly open freely uses for industry, science, three main fields of medical science, and therefore information interactive device of the present utility model need not to obtain the use authority of this frequency range when this frequency range work; In addition, adopt this microwave frequency band can not only realize the information interaction of remote and low-power consumption, and can also prevent from when numerous information interactive devices communicate with reading system simultaneously, to produce the phenomenon of signal bumping.Entered at information interactive device under the situation of reading range of reading system, when the information interactive device possessor presses keyboard unit 90, microprocessing unit 100 can send corresponding signal to this radio frequency unit 110, and on the working frequency range of 2.45GHz this signal is sent to reading system by this antenna element 120; When on the working frequency range of reading system at 2.45GHz when information interactive device sends radiofrequency signal, this antenna element 120 can receive these signals and be undertaken being sent to microprocessing unit 100 after the signal Processing by this radio frequency unit 110.Can realize information interaction between information interactive device of the present utility model and the reading system by said process.This LCD display unit 70 is connected with the output terminal of micro-control unit 100, be used for the information interactive device possessor is shown in LCD display 72 by the corresponding information that the corresponding information pressing keyboard unit 90 and transmit and reading system send, make the information interactive device possessor see this information intuitively.As previously mentioned, this closely the working frequency range of electronic tag 50 be 13.56MHz, so its effect is to realize in-plant radio communication.
Information interactive device of the present utility model can be applicable to places such as campus, hospital, home for destitute, meeting-place, below is the concrete application that example illustrates information interactive device of the present utility model with the campus.Because information interactive device of the present utility model comprises that an employing 13.56MHz is the closely electronic tag 50 of working frequency range, therefore information interactive device of the present utility model can be realized functions such as entrance guard management, small amount payment.Specifically, in the time of need entering places such as campus or library as the student, the information interactive device that the student will hold presses close to be positioned at the reader on doorway, and this reader opens the gate inhibition by reading the student information of storing in the information interactive device, thereby realizes the function of entrance guard management.When the student need have a dinner or buy article, the information interactive device that the student will hold pressed close to be located at the reader of dining room or buffet, and this reader can be deducted corresponding cost from the remaining sum of information interactive device storage, thereby realized the function of small amount payment.Because it is active electronic tag that information interactive device of the present utility model adopts 2.45GHz working frequency range and information interactive device of the present utility model, therefore reading system can carry out information interaction with information interactive device reliably in tens meters reading range, thus information interactive device of the present utility model can realization personnel tracking, function such as interactive teaching and learning.Specifically, after the student enters the campus, the information interactive device that the student holds near can seeking on one's own initiative reading system and set up real-time Communication for Power with this reading system, so reading system can follow the trail of student's position in real time, thus the function that the realization personnel follow the trail of.Serve as a teacher in the time of need carrying out with the hall quiz with the laboratory teaching effect to the student, the teacher can send the information interactive device that examination question is held to the student by reading system, and this examination question can be shown on the LCD display 72 of each information interactive device.The student selects corresponding answer by pressing keyboard unit 90 behind reading comprehension test, and answer also can be shown on the LCD display 72 of information interactive device.Also store in the information interactive device that each student holds unique ID number, can follow for this ID number this student's answer to send to teacher's reading system together by information interactive device, thereby make the teacher judge each student's listen to the teacher effect and whole teaching efficiency according to each student's answer.As mentioned above, information interactive device of the present utility model can be realized the function of interactive teaching and learning.
Be understandable that detailed description of the foregoing description and concrete the application are in order to set forth and explain principle of the present utility model rather than to the qualification of protection domain of the present utility model.In every case other do not break away under the prerequisite of purport of the present utility model and technical spirit, and the equalization of being finished changes and modifies change, all should be included in the scope of the claim that the utility model contains.
Claims (9)
1. information interactive device, comprise external frame, front panel and rear panel, this front panel is embedded in the front surface of this external frame, this rear panel is embedded in the rear surface of external frame, thereby in external frame, form an accommodation space, it is characterized in that be provided with and be used for the control circuit that control information interactive device and reading system carry out information interaction, it comprises in this accommodation space:
Micro-control unit, inside is provided with control program;
Battery unit is connected with this micro-control unit, and being used for provides power supply and provide required radio-frequency (RF) energy for communicating by letter between information interactive device and reading system to this micro-control unit;
Keyboard unit is connected with the input end of this micro-control unit, is used for transmitting the radiofrequency signal that includes corresponding information to microprocessor;
Radio frequency unit is connected with this micro-control unit two-way communication, is used for handling to the radiofrequency signal of keyboard unit transmission and from the radiofrequency signal that reading system receives;
Antenna element is connected with this radio frequency unit, is used for sending the radiofrequency signal of keyboard unit transmission and receive the radiofrequency signal that is sent by reading system on the 2.45GHz working frequency range to reading system on the 2.45GHz working frequency range;
The LCD display unit is connected with the output terminal of this micro-control unit, is used for the corresponding information of display keyboard unit transmission and the corresponding information that reading system sends; And
Electronic tag closely, its working frequency range is 13.56MHz, is used to realize in-plant radio communication.
2. information interactive device as claimed in claim 1 is characterized in that described micro-control unit, keyboard unit, radio frequency unit and antenna element are located on the printed circuit board (PCB); Described LCD display unit comprises LCD display and is located at LCD gum sheet under this LCD display, and this LCD display is connected with flat conductor, and this flat conductor also is connected with printed circuit board (PCB); Described battery unit is connected with printed circuit board (PCB).
3. information interactive device as claimed in claim 2 is characterized in that, is equipped with to be used for wearing groove and being provided with to sealing of the burned control program of described micro-control unit being used to fill up this and sealing the envelope piece of wearing groove on described rear panel.
4. information interactive device as claimed in claim 3 is characterized in that, also is provided with inner frame in the described accommodation space; Described closely electronic tag is located between the inside surface of the lower surface of this inner frame and described rear panel; Described LCD display unit is located between the upper surface and printed circuit board (PCB) of this inner frame; Described battery unit is located on the inside surface of rear panel.
5. information interactive device as claimed in claim 4 is characterized in that the upper surface in the described inner frame is provided with groove, also is equipped with perforation in this groove, and described LCD display unit is located in this groove, and described closely electronic tag is limited in this perforation.
6. information interactive device as claimed in claim 5 is characterized in that, also is equipped with on the described printed circuit board (PCB) to be used to be covered on the outer LCD groove of described LCD display unit.
7. information interactive device as claimed in claim 6 is characterized in that, is equipped with on the described front panel to be used to be covered on the outer keyboard groove of described keyboard unit and to be used to be covered on the outer LCD groove of described LCD display unit.
8. information interactive device as claimed in claim 7 is characterized in that described rear panel is provided with storage tank, and described closely electronic tag is located in this storage tank.
9. as each described information interactive device in the claim 1 to 8, it is characterized in that described keyboard unit is an inductance capacitance formula touch keyboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200687263U CN201402468Y (en) | 2009-03-12 | 2009-03-12 | Information exchange device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200687263U CN201402468Y (en) | 2009-03-12 | 2009-03-12 | Information exchange device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201402468Y true CN201402468Y (en) | 2010-02-10 |
Family
ID=41662265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200687263U Expired - Lifetime CN201402468Y (en) | 2009-03-12 | 2009-03-12 | Information exchange device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201402468Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101561864B (en) * | 2009-03-12 | 2011-05-18 | 上海秀派电子科技有限公司 | Information interactive device |
| CN102799933A (en) * | 2012-07-13 | 2012-11-28 | 上海易教信息科技有限公司 | Intelligent card based on Internet of things and control method of intelligent card |
| CN104732874A (en) * | 2013-12-20 | 2015-06-24 | 国家电网公司 | Electronic signboard and transformer with same |
-
2009
- 2009-03-12 CN CN2009200687263U patent/CN201402468Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101561864B (en) * | 2009-03-12 | 2011-05-18 | 上海秀派电子科技有限公司 | Information interactive device |
| CN102799933A (en) * | 2012-07-13 | 2012-11-28 | 上海易教信息科技有限公司 | Intelligent card based on Internet of things and control method of intelligent card |
| CN104732874A (en) * | 2013-12-20 | 2015-06-24 | 国家电网公司 | Electronic signboard and transformer with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100210 Effective date of abandoning: 20090312 |