CN207318656U - A kind of magnetic card Auto-Test System in POS machine production - Google Patents
A kind of magnetic card Auto-Test System in POS machine production Download PDFInfo
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- CN207318656U CN207318656U CN201721132357.0U CN201721132357U CN207318656U CN 207318656 U CN207318656 U CN 207318656U CN 201721132357 U CN201721132357 U CN 201721132357U CN 207318656 U CN207318656 U CN 207318656U
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Abstract
The utility model provides the magnetic card Auto-Test System in a kind of POS machine production, including a PC machine, a magnetic card testing host and a mainboard to be measured, magnetic card testing host and mainboard to be measured are installed on a frock mainboard, physical connection is carried out by the frock mainboard, PC machine is connected with magnetic card testing host, by program Solidification to magnetic card testing host；The magnetic card testing host includes a microcontroller and three magnetic track modulate circuits, and each magnetic track modulate circuit includes an integrating circuit, an amplifying circuit and one single-ended turns two-port circuit；The mainboard to be measured sends microcontroller described in trigger signal, microcontroller produces digital magnetic card signal, analogue magnetic card signal is obtained via integrating circuit, obtains the analogue magnetic card signal of certain amplitude through amplifying circuit, then tested to mainboard to be measured by the single-ended two-port circuit generation difference mode signal that turns.The utility model realizes the automatic test of standard analog magnetic card signal, it is ensured that the reliability of test result, improves testing efficiency and production capacity.
Description
Technical field
It the utility model is related to the magnetic card Auto-Test System in a kind of POS machine production.
Background technology
, it is necessary to which it is that tester makes manually to carry out magnetic card test or inspection, general way to POS machine in POS machine production
Multiple swiping card is carried out against magnetic head, swiped the card speed and direction etc. of this success rate of manually swiping the card influences, and causes with magnetic card
Production test inefficiency.It is existing also there are such automatic magnetic card test system, magnetic card is transported by conveyer belt, utilizes magnetic head
Upper camera debugs position so that magnetic card preferably contacts carry out swiping card with magnetic head automatically, and this mode device is complicated, carries
High cost.In order to reduce production cost, testing efficiency and production capacity are improved.The China of existing Application No. 201410448764.7
The automatization test system and method for a kind of magnetic card decoding chip of patent and the China of Application No. 201110006030.X are specially
A kind of magnetic card decoding chip automated testing method of profit, each provides a set of automatic test system with different test equipments
System, obtains different analog signal differences, since the processing of analog signal directly affects most according to different signal processing modes
Whole test result, and above two signal processing mode has bigger difference with signal of actually swiping the card, and influences test accuracy.
The content of the invention
The technical problems to be solved in the utility model, the magnetic card Auto-Test System in being produced in a kind of POS machine of offer,
Realize the automatic test of standard analog magnetic card signal, it is ensured that the reliability of test result, improves testing efficiency and production capacity.
The utility model is realized in this way：A kind of magnetic card Auto-Test System in POS machine production, including a PC machine,
One magnetic card testing host and a mainboard to be measured, the magnetic card testing host and mainboard to be measured are installed on a frock mainboard, are passed through
The frock mainboard carries out physical connection, and the PC machine is connected with magnetic card testing host, by for producing digital magnetic card signal
Program Solidification is to the magnetic card testing host；
The magnetic card testing host includes a microcontroller and three magnetic track modulate circuits, each magnetic track modulate circuit include according to
One integrating circuit of secondary connection, an amplifying circuit and one single-ended turn two-port circuit；
The mainboard to be measured sends a trigger signal in frock mainboard and is produced to the microcontroller, the microcontroller after the power is turned on
Digital magnetic card signal, the numeral magnetic card signal obtain analogue magnetic card signal via integrating circuit, are obtained necessarily through amplifying circuit
The analogue magnetic card signal of amplitude, then turn two-port circuit by the analogue magnetic card signal of the certain amplitude from single letter by single-ended
Number it is changed into dual signal, is tested so as to produce difference mode signal to mainboard to be measured.
Further, the single-ended two-port circuit that turns includes a coupled capacitor and a transformer, the coupled capacitor
One end is connected with amplification circuit output end, and the other end is connected with the transformer, the two-port difference of the transformer side
With the coupled capacitor and ground network connection, the two-port of another primary side connects mainboard to be measured respectively, to transmit the magnetic track
Dual signal.
Further, the magnetic card testing host is equipped with a SWD interfaces, the PC machine by USB turn SWD interface lines with
Microcontroller connects.
Further, the magnetic card testing host be equipped be connected with the mainboard to be measured power pins, trigger pin and
Magnetic card signal output pin.
Further, the microcontroller is STM32 microcontrollers.
The utility model has the following advantages that：The analogue magnetic card that analog signal is transformed into standard by modulate circuit is believed
Number, accurately and reliably magnetic card signal is obtained, is transmitted the signal on mainboard to be measured, to realize automatic test, lifting test
Efficiency and production capacity.
Brief description of the drawings
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the hardware architecture diagram of the magnetic card Auto-Test System in a kind of POS machine production of the utility model.
Fig. 2 is the principle schematic of the utility model magnetic card testing host.
Fig. 3 is the principle schematic of the utility model modulate circuit.
Fig. 4 is the single-ended circuit diagram for turning two-port circuit of the utility model.
Fig. 5 is the flow chart that the magnetic card in a kind of POS machine production of the utility model is tested automatically.
Embodiment
As shown in Figure 1 to Figure 3, the magnetic card Auto-Test System in a kind of POS machine production of the utility model, including a PC machine
1st, a magnetic card testing host 2 and a mainboard 3 to be measured, the magnetic card testing host 2 and mainboard to be measured 3 are installed on a frock mainboard 4
On, physical connection is carried out by the frock mainboard 4, the PC machine 1 is connected with magnetic card testing host 2, will be used to produce numeral
The program Solidification of magnetic card signal is to the magnetic card testing host 2；
The magnetic card testing host 2 includes a microcontroller 5 and three magnetic track modulate circuits 6, and each magnetic track modulate circuit 6 wraps
Include a sequentially connected integrating circuit 7, an amplifying circuit 8 and one single-ended turns two-port circuit 9；
The mainboard to be measured 3 sends a trigger signal to the microcontroller 5, the microcontroller 5 after the power is turned in frock mainboard 4
Digital magnetic card signal is produced, the numeral magnetic card signal obtains analogue magnetic card signal via integrating circuit 7, obtained through amplifying circuit 8
The analogue magnetic card of the certain amplitude is believed to the analogue magnetic card signal of certain amplitude, then by the single-ended two-port circuit 9 that turns
Number it is changed into dual signal from mono signal, is tested so as to produce difference mode signal to mainboard to be measured.
As shown in figure 4, the single-ended two-port circuit 9 that turns includes an a coupled capacitor C1 and transformer T1, the coupling
Close capacitance C1 one ends to be connected with 8 output terminal of amplifying circuit, the other end is connected with the transformer T1, and amplifying circuit 8 is handled
Signal transmission afterwards gives transformer T1, the two-ports of the transformer T1 sides respectively with the coupled capacitor C1 and ground network
Connection, the two-port of another primary side connects mainboard 3 to be measured respectively, to transmit the dual signal of the magnetic track, i.e., each magnetic track output difference
Mould signal, as the HDP1 in Fig. 4 and HDN1 represents a pair of of signal of the first magnetic track respectively, is output to mainboard corresponding interface to be measured.
The magnetic card testing host is equipped with a SWD interfaces 10, and the PC machine turns SWD interface lines and microcontroller by USB
Connection, easy to which required program Solidification will be tested to microcontroller by PC machine before testing.
It is defeated that the magnetic card testing host is equipped with the power pins being connected with the mainboard to be measured, triggering pin and magnetic card signal
Go out pin.
The microcontroller can be STM32 microcontrollers.
As shown in figure 5, POS machine production in magnetic card automatic test approach, need to provide a PC machine, a magnetic card testing host and
One mainboard to be measured, the magnetic card testing host and mainboard to be measured are installed on a frock mainboard, are carried out by the frock mainboard
Physical connection, the PC machine are connected with magnetic card testing host, specifically, the magnetic card testing host is equipped with a SWD interfaces, institute
State PC machine SWD interface lines are turned by USB and be connected with microcontroller；
The magnetic card testing host includes a microcontroller and three magnetic track modulate circuits, each magnetic track modulate circuit include according to
One integrating circuit of secondary connection, an amplifying circuit and one single-ended turn two-port circuit；
Described method includes following steps：
Step 1, by PC machine by for producing the program Solidification of digital magnetic card signal to the list of the magnetic card testing host
On piece machine；
Step 2, power on frock mainboard；
Step 3, the mainboard to be measured send a trigger signal and give magnetic card testing host；
Step 4, the microcontroller produce digital magnetic card signal and give three magnetic track modulate circuits；
Step 5, three magnetic track modulate circuits are nursed one's health to obtain three difference mode signals to the digital magnetic card signal
Mainboard to be measured is transferred to be tested：
One magnetic track signal of the digital magnetic card signal is changed into an analogue magnetic card signal by each integrating circuit；
Each analogue magnetic card signal handles to obtain the analogue magnetic card signal of certain amplitude through corresponding amplifying circuit；
The analogue magnetic card signal of each certain amplitude through the corresponding single-ended two-port circuit conversion that turns into dual signal,
Tested so as to produce difference mode signal and export to the mainboard to be measured；
Step 6, the mainboard to be measured are tested according to the difference mode signal, and return to test result to PC machine.
In the utility model automatic testing process, control MCU to produce digital magnetic card signal by an enable signal, pass through
Analog circuit conditioning numbering is transferred signals on mainboard to be measured by thimble, greatly shortened into the analogue magnetic card signal of standard
Testing time, reduces cost, realizes efficient, reliable automatic test, improves production capacity.
Although the foregoing describing the embodiment of the present invention, those familiar with the art should manage
Solution, we are merely exemplary described specific embodiment, rather than for the restriction to the scope of the present invention, are familiar with this
The equivalent modification and change that the technical staff in field is made in the spirit according to the present invention, should all cover the present invention's
In scope of the claimed protection.
Claims (5)
1. the magnetic card Auto-Test System in a kind of POS machine production, including a PC machine, a magnetic card testing host and a master to be measured
Plate, it is characterised in that：The magnetic card testing host and mainboard to be measured are installed on a frock mainboard, by the frock mainboard into
Row physical connection, the PC machine are connected with magnetic card testing host, by the program Solidification for producing digital magnetic card signal described in
Magnetic card testing host；
The magnetic card testing host includes a microcontroller and three magnetic track modulate circuits, and each magnetic track modulate circuit includes connecting successively
The integrating circuit that connects, an amplifying circuit and one single-ended turn two-port circuit；
The mainboard to be measured sends a trigger signal in frock mainboard and produces numeral to the microcontroller, the microcontroller after the power is turned on
Magnetic card signal, the numeral magnetic card signal obtain analogue magnetic card signal via integrating circuit, certain amplitude are obtained through amplifying circuit
Analogue magnetic card signal, then by it is single-ended turn two-port circuit by the analogue magnetic card signal of the certain amplitude from mono signal become
For dual signal, tested so as to produce difference mode signal to mainboard to be measured.
2. the magnetic card Auto-Test System in a kind of POS machine production according to claim 1, it is characterised in that：The list
End, which turns two-port circuit, includes a coupled capacitor and a transformer, and the coupled capacitor one end connects with amplification circuit output end
Connect, the other end is connected with the transformer, the two-port of the transformer side respectively with the coupled capacitor and ground network
Connection, the two-port of another primary side connects mainboard to be measured respectively, to transmit the dual signal of the magnetic track.
3. the magnetic card Auto-Test System in a kind of POS machine production according to claim 1, it is characterised in that：The magnetic
Card testing host is equipped with a SWD interfaces, and the PC machine turns SWD interface lines by USB and is connected with microcontroller.
4. the magnetic card Auto-Test System in a kind of POS machine production according to claim 1, it is characterised in that：The magnetic
Card testing host is equipped with the power pins being connected with the mainboard to be measured, triggering pin and magnetic card signal output pin.
5. the magnetic card Auto-Test System in a kind of POS machine production according to claim 1, it is characterised in that：The list
Piece machine is STM32 microcontrollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721132357.0U CN207318656U (en) | 2017-09-06 | 2017-09-06 | A kind of magnetic card Auto-Test System in POS machine production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721132357.0U CN207318656U (en) | 2017-09-06 | 2017-09-06 | A kind of magnetic card Auto-Test System in POS machine production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207318656U true CN207318656U (en) | 2018-05-04 |
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ID=62385188
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721132357.0U Active CN207318656U (en) | 2017-09-06 | 2017-09-06 | A kind of magnetic card Auto-Test System in POS machine production |
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| CN (1) | CN207318656U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112560515A (en) * | 2020-12-22 | 2021-03-26 | 福建新大陆支付技术有限公司 | Method and device for realizing automatic test based on magnetic card simulation and storage medium |
-
2017
- 2017-09-06 CN CN201721132357.0U patent/CN207318656U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112560515A (en) * | 2020-12-22 | 2021-03-26 | 福建新大陆支付技术有限公司 | Method and device for realizing automatic test based on magnetic card simulation and storage medium |
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