CN201489560U - Non-contact reader-writer - Google Patents
Non-contact reader-writer Download PDFInfo
- Publication number
- CN201489560U CN201489560U CN2009201730190U CN200920173019U CN201489560U CN 201489560 U CN201489560 U CN 201489560U CN 2009201730190 U CN2009201730190 U CN 2009201730190U CN 200920173019 U CN200920173019 U CN 200920173019U CN 201489560 U CN201489560 U CN 201489560U
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- module
- contact reader
- pcb
- usb
- upper casing
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- Expired - Lifetime
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Abstract
The utility model discloses a non-contact reader-writer adopting a card type structure. The reader-writer comprises a top chip casing, a bottom chip casing and a printed circuit board (PCB). The PCB is provided with an integrated circuit of the non-contact reader-writer. The PCB is fixedly arranged between the upper chip casing and the lower chip casing. A read-write interface pointing outwards is arranged on the PCB, and an antenna is arranged on the back of the PCB. The non-contact reader-writer adopting a card type structure is small in volume, light and portable. As the antenna is arranged on the back of the PCB, an antenna board is saved, and the volume of the non-contact reader-writer is further reduced.
Description
Technical field
The utility model relates to the read write line field, relates in particular to a kind of non-contact reader.
Background technology
Along with the development of internet and mobile technology and universal day by day, the notion of " E-Payment " is arisen at the historic moment, invisible " electronic money " is in vogue day by day, the pattern of " payment of swiping the card " consumption has become in common people's daily life comparatively quick, means of payment easily, the user can use the noncontact card to match with non-contact reader, pass through non-contact reader, give non-contact reader with the data transfer in the noncontact card, the legitimacy of non-contact reader checking card is also carried out delivery operation further, as a kind of emerging means of payment, more and more higher to the requirement of non-contact reader portability.
The volume ratio of existing non-contact reader is bigger, uses and carries not too conveniently, and the portability of non-contact reader and miniaturization become new demand gradually.
The utility model content
The technical matters that the utility model solved is: provide a kind of volume little, portable non-contact reader.
A kind of non-contact reader that the utility model embodiment provides adopts the card form structure, comprising: sheet upper casing, sheet drain pan and be provided with the printing board PCB of non-contact reader integrated circuit;
Described PCB is fixedly mounted between described sheet upper casing and the described sheet drain pan;
Described PCB is provided with external read-write interface, and the back of described PCB is printed with antenna.
Described sheet upper casing is fluted along the edge disposed inboard towards the one side of sheet drain pan, and described sheet drain pan is furnished with the projection corresponding with described groove towards the one side of sheet upper casing;
Described projection on the described sheet drain pan tightens mutually with described groove on the described sheet upper casing; The edge of described sheet upper casing and described sheet drain pan is welded to connect by ultrasonic technique.
Described sheet upper casing is furnished with some columnar projections on the one side of described PCB;
Be furnished with on the described PCB and the corresponding hole of described projection;
The corresponding socket of described hole on described columnar projections on the described sheet upper casing and the described PCB.
The external read-write interface of described PCB is the general-purpose serial bus USB interface;
Comprise the USB module in the non-contact reader integrated circuit that described PCB is provided with, and the USB line that is connected with described USB module of an end, described USB line is welded on the described PCB by the line preface, and the other end of described USB line is connected with USB interface.
Described PCB goes up the non-contact reader integrated circuit that is provided with and also comprises: main control module, power module, radio frequency control module, radio-frequency (RF) circuit module and JTAG debugging module;
Described power module is connected with described main control module, radio frequency control module, radio-frequency (RF) circuit module, JTAG debugging module and USB module respectively;
Described main control module is connected with described USB module, radio frequency control module, JTAG debugging module respectively;
Described radio frequency control module is connected with described radio-frequency (RF) circuit module;
Described radio-frequency (RF) circuit module is connected with described antenna.
The power lead output terminal of described USB module, the first data line output terminal, the second data line output and ground are connected with respectively and are used for jamproof magnetic bead.
The power management chip input end of described power module is connected with the input capacitance of 1 μ F/10V; The output terminal of described power management chip is connected with the output capacitance of 4.7 μ F/10V.
Described radio-frequency (RF) circuit module is made up of amplifying circuit and radio circuit;
Described amplifying circuit comprises: amplifying triode T1 and T2, inductance L 1 and L2, capacitor C 13 and C14 and resistance R 7, R8, R11 and R12; Wherein:
Described inductance L 1 links to each other with the collector of described amplifying triode T1; Described inductance L 2 links to each other with the collector of described amplifying triode T2;
Described capacitor C 13 links to each other with the emitter of described amplifying triode T1; Described capacitor C 14 links to each other with the emitter of described amplifying triode T2;
Described resistance R 7 links to each other with the base stage of described amplifying triode T1; Described resistance R 8 links to each other with the base stage of described amplifying triode T2;
Described resistance R 11 is connected described capacitor C 13 two ends; Described resistance R 12 is connected described capacitor C 14 two ends.
Described antenna is square multi-turn antenna, and the spacing between each circle of described antenna is in 0.25mm～1mm scope.
The beneficial effect of the utility model embodiment comprises:
The non-contact reader that the utility model embodiment provides adopts the card form structure, and volume is little, and is light portable.This non-contact reader is made up of sheet upper casing, sheet drain pan and the PCB that is provided with the non-contact reader integrated circuit, PCB is fixedly mounted between sheet upper casing and the sheet drain pan, PCB has external read-write interface, back at PCB is printed with antenna, owing to the use of having saved antenna plate, can dwindle the volume of this non-contact reader further.
Further, the non-contact reader that the utility model embodiment provides has also been done on each Module Design on the PCB correspondingly and have been improved, and increases magnetic bead to strengthen the function of the anti-interference and filtering of USB module in the USB module, strengthens stability of data transmission.Increase amplifying circuit in radio-frequency (RF) circuit module, increased the Card Reader distance effectively.
Description of drawings
Fig. 1 forms synoptic diagram for the structure of the non-contact reader that the utility model embodiment provides;
The structural representation of the antenna that Fig. 2 provides for the utility model embodiment;
Fig. 3 goes up one of each module annexation synoptic diagram for the PCB that the utility model embodiment provides;
Fig. 4 is the circuit diagram of USB module among the utility model embodiment;
Fig. 5 is the circuit diagram of power module among the utility model embodiment;
Fig. 6 is the circuit diagram of radio-frequency module among the utility model embodiment;
Fig. 7 goes up two of each module annexation synoptic diagram for the PCB that the utility model embodiment provides;
Fig. 8 is the circuit diagram of indicating lamp module among the utility model embodiment;
Fig. 9 is the outside drawing of the non-contact reader that provides of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, the structure of a kind of non-contact reader that the utility model embodiment is provided is described in detail.
The non-contact reader that the utility model embodiment provides, adopt the card form structure, as shown in Figure 1, comprising: sheet drain pan 101, be provided with printed circuit board (PrintedCircuit Board, PCB) 102 and sheet upper casing 103 of non-contact reader integrated circuit; Wherein:
PCB 102 is fixedly mounted between sheet upper casing 103 and the sheet drain pan 101; PCB 102 is provided with external read-write interface, and the back of PCB 102 is printed with antenna.
The external read-write interface that is provided with on the PCB 102 for example can be USB (universal serial bus) (UniversalSerial BUS, USB) interface, this external read-write interface also can be other read-write interfaces, the for example serial line interface and the parallel interface of standards such as commonly used RS-232-C, RS-422, RS485 in the prior art, can also be the new communication interface that occurs along with development communication technologies, the utility model embodiment only is that example describes with the USB interface, but this external read-write interface is not defined as USB interface.
In the non-contact reader integrated circuit of PCB 102, comprise the USB line (illustrating with 104 among Fig. 1) that a USB module and an end are connected with this USB module, be welded on the PCB 102 by the line preface with this USB line 104, the other end of this USB line 104 is connected with USB interface.USB interface is by fixing in the bayonet socket that is inserted in sheet upper casing 103 upper ends, preferably the non-contact reader in the present embodiment also can not be provided with described bayonet socket and fixes USB interface, but directly removable the turning up the soil of USB interface and USB line is nested in the special opening on the non-contact reader.
Among the utility model embodiment, in order to guarantee the frivolous of non-contact reader, PCB 102 adopts ultra-thin PCB, and thickness is about 0.4mm, contains thickness of detector and is about 1.6mm.
In the non-contact reader that the utility model provides, USB module, USB line and USB interface, in use, can directly be connected with server, onlinely carry out software upgrading, compare with the non-contact reader that the existing stitch that needs to remove on the shell use circuit board is finished software upgrading, use more convenient.
Connected mode between sheet upper casing 103 and the sheet drain pan 101 is as follows:
Sheet upper casing 103 is fluted along edge placement towards the one side of sheet drain pan 101, and sheet drain pan 101 has and the corresponding projection of sheet drain pan 101 upper grooves towards the one side of sheet upper casing 103 disposed inboard along the edge;
During installation, the projection on can sheet drain pan 101 tightens mutually with the groove on the sheet upper casing 103; Both are fixed.
After sheet upper casing 103 and sheet drain pan 101 chuckings are fixing, for integral body firmly and attractive in appearance, the edge of sheet upper casing 103 and sheet drain pan 101 is welded to connect by ultrasonic technique.
Connected mode between PCB 102 and the sheet upper casing 103 is as follows:
Between sheet upper casing 103 and sheet drain pan 101, be PCB 102, on the one side of PCB102, be furnished with some columnar projections at sheet upper casing 103;
Be furnished with the hole corresponding on the PCB 102 with these projectioies;
The corresponding socket of hole on columnar projections on the sheet upper casing 103 and the PCB 102.
The non-contact reader that the utility model embodiment provides, antenna directly are printed on the back of PCB 102, have saved an antenna plate, have compressed the thickness of whole non-contact reader, make the volume of non-contact reader dwindle greatly.
Antenna adopts square multi-turn antenna, and for example 2 circles, 3 circles or 4 enclose or the like, and as shown in Figure 2, the spacing between each circle of described antenna is in 0.25mm～1mm scope.
In order to satisfy the personal needs that the user uses this non-contact reader, this non-contact reader as shown in Figure 1, can also comprise: sheet decoration 105;
Sheet upper casing 103 one side outwardly is furnished with and the tabular decoration 105 big or small corresponding groove of sheet, and this sheet decoration is inserted in this groove to be fixed.
In the non-contact reader integrated circuit of the last setting of PCB except USB module and antenna, also comprise: main control module, power module, radio frequency control module, radio-frequency (RF) circuit module and JTAG (JointTest Action Group, JTAG) debugging module.
Annexation between each module, as shown in Figure 3:
Radio frequency control module 303 is connected with radio-frequency (RF) circuit module 304;
Radio-frequency (RF) circuit module 304 is connected with antenna 307.
Below above-mentioned each module is described.
Main control module preferably, can adopt 32 ARM microprocessor, has both promoted processing speed, and also the miniaturization for non-contact reader provides reliable computing guarantee.And drive pattern by using main control module to increase nothing, convenient for users to use.
The circuit diagram of USB module as shown in Figure 4, on the basis of existing USB module, be connected with magnetic bead respectively at power lead (line that links to each other with " PW " end among Fig. 4) output terminal, first data line (line that links to each other with " DATA-" end among Fig. 4) output terminal, second data line (line that links to each other with " DATA+ " end among Fig. 4) output and ground (line that links to each other with " GND " among Fig. 4), four magnetic beads are designated E1, E2, FB1 and FB2 respectively in Fig. 4.Magnetic bead can increase that the USB module is anti-interference, the function of filtering, strengthens stability of data transmission.
The circuit diagram of power module on the basis of existing power supply module, increases by the input capacitance C1 of 1 μ F/10V as shown in Figure 5 at the power management chip input end; Increase by the output capacitance C4 of 4.7 μ F/10V at the output terminal of power management chip.
In the non-contact reader that the utility model embodiment provides, the radio frequency control chip adopts supports to meet ISO/IEC 14443-1, the Type A/B card of 2,3,4 standards and the radio frequency control chip of Mifare-1 card.Ensure that ultra-thin card form non-contact reader has favorable compatibility and extendability.
Radio-frequency (RF) circuit module as shown in Figure 6, is that amplifying circuit and radio circuit are formed by two parts; Left-hand broken line frame inside at Fig. 6 is divided into amplifying circuit, and the right side is divided into radio circuit.
Amplifying circuit comprises: amplifying triode T1 and T2, inductance L 1 and L2, capacitor C 13 and C14 and resistance R 7, R8, R11 and R12; Wherein:
Capacitor C 13 links to each other with the emitter of amplifying triode T1; Capacitor C 14 links to each other with the emitter of amplifying triode T2;
Resistance R 7 links to each other with the base stage of amplifying triode T1; Resistance R 8 links to each other with the base stage of amplifying triode T2;
Resistance R 11 is connected capacitor C 13 two ends; Resistance R 12 is connected capacitor C 14 two ends.
Radio circuit adopts the design identical with having radio circuit now, does not repeat them here.
In radio-frequency (RF) circuit module, increase the amplifying circuit module, can increase the Card Reader distance effectively, make the noncontact card apart from this non-contact reader in a big way in, still can transfer data to non-contact reader reliably.
The JTAG debugging module is to use when being used for the non-contact reader debugging, and this module can adopt existing circuit design, is not described in detail in this.
Preferably, the utility model embodiment also provides another kind of PCB to go up the module syndeton of non-contact reader integrated circuit, this structure is on architecture basics shown in Figure 3, increase the online upgrading module that links to each other with main control module further, and the indicating lamp module that links to each other with main control module with power module, concrete structure repeats no more with structure something in common shown in Figure 3 as shown in Figure 7.
Online upgrading module among Fig. 7 is utilized main control module Flash program area, and the transmission channel that is connected with server by the USB module is come the online upgrading of support software.
Among Fig. 7 the circuit design of indicating lamp module as shown in Figure 8, this indicating lamp module is made up of resistance and LED lamp.Indicating lamp module only adopts a lamp to show different duties, for example uses normal bright expression non-contact reader to be in "on" position, for example uses flicker, and the expression non-contact reader is in card reading status.
Fig. 9 is the outside drawing of the non-contact reader that provides of the utility model embodiment, in the specific implementation, the contour structure size of the non-contact reader that the utility model embodiment provides can reach 71.7mm (length) * 34mm (wide) * 5.6mm (thick), the size that is about a credit card, light portable.
The non-contact reader that the utility model embodiment provides adopts the card form structure, and volume is little, and is light portable.This non-contact reader is made up of sheet upper casing, sheet drain pan and the PCB that is provided with the non-contact reader integrated circuit, PCB is fixedly mounted between sheet upper casing and the sheet drain pan, PCB has external read-write interface, and the back at PCB is printed with antenna, save the use of antenna plate, made the volume of this non-contact reader to dwindle further.
The external read-write interface of PCB can be a USB interface, accordingly, the non-contact reader integrated circuit that PCB is provided with includes USB module, the USB line that links to each other with the USB module and the USB interface that is connected with the USB line, utilize USB module, USB line and USB interface, can realize need not to dismantle the sheet upper casing and the sheet drain pan just can be finished software upgrading, easy to use.
Further, the non-contact reader that the utility model embodiment provides, on each Module Design of the inside of PCB, also done correspondingly and improved, main control module has adopted 32 microprocessor, for the operation of data of this non-contact reader provides stable and has guaranteed reliably, in the USB module, increase magnetic bead to strengthen the function of the anti-interference and filtering of USB module, strengthen stability of data transmission.Increase amplifying circuit in radio-frequency (RF) circuit module, increased the Card Reader distance effectively.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (10)
1. a non-contact reader is characterized in that, adopts the card form structure, comprising: sheet upper casing (103), sheet drain pan (101) and be provided with the printing board PCB (102) of non-contact reader integrated circuit;
Described PCB (102) is fixedly mounted between described sheet upper casing (103) and the described sheet drain pan (101);
Described PCB (102) is provided with external read-write interface, and the back of described PCB (102) is printed with antenna.
2. non-contact reader as claimed in claim 1, it is characterized in that, described sheet upper casing (103) is fluted along the edge disposed inboard towards the one side of sheet drain pan (101), and described sheet drain pan (101) is furnished with the projection corresponding with described groove towards the one side of sheet upper casing (103);
Described projection on the described sheet drain pan (101) tightens mutually with described groove on the described sheet upper casing (103).
3. non-contact reader as claimed in claim 2 is characterized in that, the edge of described sheet upper casing (103) and described sheet drain pan (101) is welded to connect by ultrasonic technique.
4. non-contact reader as claimed in claim 2 is characterized in that, described sheet upper casing (103) is furnished with some columnar projections on the one side of described PCB (102);
Be furnished with on the described PCB (102) and the corresponding hole of described projection;
The corresponding socket of described hole on described columnar projections on the described sheet upper casing (103) and the described PCB (102).
5. non-contact reader as claimed in claim 1 is characterized in that, the external read-write interface of described PCB is the general-purpose serial bus USB interface;
Comprise the USB module in the non-contact reader integrated circuit that described PCB (102) is provided with, and the USB line (104) that is connected with described USB module of end, described USB line (104) is welded on the described PCB (102) by the line preface, and the other end of described USB line (104) is connected with USB interface.
6. non-contact reader as claimed in claim 5, it is characterized in that described PCB (102) goes up the non-contact reader integrated circuit that is provided with and also comprises: main control module (301), power module (302), radio frequency control module (303), radio-frequency (RF) circuit module (304) and JTAG JTAG debugging module (305);
Described power module (302) respectively with described main control module (301), radio frequency control module (303), radio-frequency (RF) circuit module (304), JTAG debugging module (305) be connected with the USB module (306);
Described main control module (301) is connected with described USB module (306), radio frequency control module (303), JTAG debugging module (305) respectively;
Described radio frequency control module (303) is connected with described radio-frequency (RF) circuit module (304);
Described radio-frequency (RF) circuit module (304) is connected with described antenna (307).
7. non-contact reader as claimed in claim 5 is characterized in that, the power lead output terminal of described USB module, the first data line output terminal, the second data line output and ground are connected with respectively and are used for jamproof magnetic bead.
8. non-contact reader as claimed in claim 6 is characterized in that the power management chip input end of described power module is connected with the input capacitance of 1 μ F/10V; The output terminal of described power management chip is connected with the output capacitance of 4.7 μ F/10V.
9. non-contact reader as claimed in claim 6 is characterized in that described radio-frequency (RF) circuit module is made up of amplifying circuit and radio circuit;
Described amplifying circuit comprises: amplifying triode T1 and T2, inductance L 1 and L2, capacitor C 13 and C14 and resistance R 7, R8, R11 and R12; Wherein:
Described inductance L 1 links to each other with the collector of described amplifying triode T1; Described inductance L 2 links to each other with the collector of described amplifying triode T2;
Described capacitor C 13 links to each other with the emitter of described amplifying triode T1; Described capacitor C 14 links to each other with the emitter of described amplifying triode T2;
Described resistance R 7 links to each other with the base stage of described amplifying triode T1; Described resistance R 8 links to each other with the base stage of described amplifying triode T2;
Described resistance R 11 is connected described capacitor C 13 two ends; Described resistance R 12 is connected described capacitor C 14 two ends.
10. non-contact reader as claimed in claim 1 is characterized in that, described antenna is square multi-turn antenna, and the spacing between each circle of described antenna is in 0.25mm～1mm scope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201730190U CN201489560U (en) | 2009-08-20 | 2009-08-20 | Non-contact reader-writer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201730190U CN201489560U (en) | 2009-08-20 | 2009-08-20 | Non-contact reader-writer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201489560U true CN201489560U (en) | 2010-05-26 |
Family
ID=42428430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201730190U Expired - Lifetime CN201489560U (en) | 2009-08-20 | 2009-08-20 | Non-contact reader-writer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201489560U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103595435A (en) * | 2013-10-15 | 2014-02-19 | 深圳市冠旭电子有限公司 | Circuit board with antenna and USB interface and wireless transmitting and receiving device |
-
2009
- 2009-08-20 CN CN2009201730190U patent/CN201489560U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103595435A (en) * | 2013-10-15 | 2014-02-19 | 深圳市冠旭电子有限公司 | Circuit board with antenna and USB interface and wireless transmitting and receiving device |
| CN103595435B (en) * | 2013-10-15 | 2016-05-11 | 深圳市冠旭电子有限公司 | A kind of wiring board and wireless transmitter with antenna and USB interface |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100015 Beijing city Chaoyang District Dongzhimen West eight Street No. 2 room Wanhong Yan Dong Business Garden Patentee after: Beijing Watchdata Limited by Share Ltd Address before: 100015 Beijing city Chaoyang District Dongzhimen West eight Street No. 2 room Wanhong Yan Dong Business Garden Patentee before: Beijing Woqi Data System Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100526 |
|
| CX01 | Expiry of patent term |