CN109541387B - SIM card hot plug testing device and system - Google Patents
SIM card hot plug testing device and system Download PDFInfo
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- CN109541387B CN109541387B CN201811571894.4A CN201811571894A CN109541387B CN 109541387 B CN109541387 B CN 109541387B CN 201811571894 A CN201811571894 A CN 201811571894A CN 109541387 B CN109541387 B CN 109541387B
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- 238000012360 testing method Methods 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 claims abstract description 14
- 230000006854 communication Effects 0.000 claims description 20
- 238000004891 communication Methods 0.000 claims description 20
- 238000000605 extraction Methods 0.000 claims description 9
- 230000009191 jumping Effects 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 4
- 230000007175 bidirectional communication Effects 0.000 claims description 3
- 238000007586 pull-out test Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 208000033999 Device damage Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
- G01R31/68—Testing of releasable connections, e.g. of terminals mounted on a printed circuit board
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- General Physics & Mathematics (AREA)
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- Test And Diagnosis Of Digital Computers (AREA)
Abstract
The invention provides a SIM card hot plug testing device and a system, wherein the SIM card hot plug testing device comprises: the device comprises a base, a first platform support, a tested device fixing assembly, a second platform support and a SIM card telescopic control assembly, wherein the first platform is arranged on the base through the first platform support, the tested device fixing assembly is arranged at one end, close to the second platform, of the first platform, the second platform is arranged on the base through the second platform support, and the SIM card telescopic control assembly is arranged at one end, close to the tested device fixing assembly, of the second platform. The invention can realize batch self-ejection type SIM card hot plug test and ensure the reliability of the test; whether the tested equipment is damaged in the SIM card hot plug testing process can be judged; the SIM card hot plug test of tested equipment with different sizes can be met, and the application range is wide.
Description
Technical Field
The present invention relates to a device for testing a SIM card, and more particularly, to a device for testing a hot plug of a SIM card, and a system for testing a hot plug of a SIM card including the same.
Background
The current electronic products are pursued to be miniaturized and integrated, so that products of non-detachable batteries are more and more. Although many non-removable battery products have been designed with a switch for the power supply, the customer is required to shut down the power supply when the SIM card is replaced, so as to avoid equipment failure caused by the user when the SIM card is replaced.
However, in the process of actually using the product, many users can directly change the SIM card in the on-state of the equipment for convenience, and the equipment cannot be shut down according to an operation manual. In order to meet the requirement of a customer on the hot plug SIM of the equipment, many factories add the function of hot plug of the SIM card to the equipment in a software or hardware mode.
Because of ESD factors caused by hot-plugging the SIM card, hot-plugging the SIM card is a very likely cause of device damage. In order to verify the reliability of the hot plug of the SIM card of the device, a hot plug test device and a system for the SIM card are generally required to test the hot plug of the SIM card of the device in batch.
For miniaturization and integration design, many devices now use a self-ejecting SIM card holder. Such products using self-ejecting replacement SIM cards occupy a large portion of the market, and such products inevitably require hot plug of the SIM card into the device during the replacement of the SIM card by the customer. In order to avoid the equipment from being damaged in the process of hot plug of the SIM card, the product has huge demand on the hot plug test of the self-ejection SIM card, but no device or system capable of carrying out batch test on the equipment for replacing the SIM card of the self-ejection type exists in the market.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a hot plug testing device capable of efficiently testing tested equipment with a self-ejection type SIM card seat, so that the reliability of the hot plug of the SIM card of the tested equipment is effectively verified, the application range of the device is further improved, and the hot plug testing requirement of the SIM card is met.
In this regard, the present invention provides a device for testing hot plug of a SIM card, including: the device comprises a base, a first platform support, a tested device fixing assembly, a second platform support and a SIM card telescopic control assembly, wherein the first platform is arranged on the base through the first platform support, the tested device fixing assembly is arranged at one end, close to the second platform, of the first platform, the second platform is arranged on the base through the second platform support, and the SIM card telescopic control assembly is arranged at one end, close to the tested device fixing assembly, of the second platform.
The invention further improves that the SIM card telescopic control assembly comprises a telescopic device, a stepping motor, a communication cable and a communication control module, wherein the telescopic device is connected with the stepping motor, one end, close to the tested equipment fixing assembly, of the telescopic device is fixedly provided with the SIM card fixing device, and the stepping motor is connected to the communication control module through the communication cable.
The invention further improves that the SIM card expansion control component also comprises a tact switch which is arranged at one side of the expansion device.
According to the invention, the width of the SIM card fixing device is larger than that of the telescopic device, and the tact switch is arranged below the SIM card fixing device.
The invention is further improved in that the communication control module comprises a GSM module, a main control module and a motor driving module, wherein the GSM module is connected to the motor driving module through the main control module, the motor driving module is connected to the stepping motor, and the main control module is connected to the tact switch.
The invention is further improved in that the first platform is arranged on the first platform bracket through a first chute and a second chute, and the first chute and the second chute are symmetrically arranged on two sides of the first platform; the second platform is arranged on the second platform bracket through a third chute and a fourth chute, and the third chute and the fourth chute are symmetrically arranged on two sides of the second platform.
The invention further improves that the tested equipment fixing assembly comprises a first sliding block and a second sliding block, wherein a first sliding block fixing groove is formed in the first sliding block, a second sliding block fixing groove is formed in the second sliding block, the first sliding block is arranged on the first platform through the first sliding block fixing groove, and the second sliding block is arranged on the first platform through the second sliding block fixing groove; the novel stepping motor comprises a first platform, a second platform, a stepping motor, a third sliding block, a fourth sliding block, a third sliding block and a fourth sliding block, wherein the second platform is provided with the third sliding block and the fourth sliding block, the third sliding block is provided with the third sliding block fixing groove, the fourth sliding block is provided with the fourth sliding block fixing groove on the second platform through the third sliding block fixing groove, the fourth sliding block is provided with the second platform through the fourth sliding block fixing groove, and the stepping motor is fixedly arranged on the second platform through the third sliding block and the fourth sliding block.
The invention further improves that a first height adjusting stud is arranged between the first platform bracket and the base, and a second height adjusting stud is arranged between the second platform bracket and the base.
The invention also provides a SIM card hot plug testing system, which comprises the SIM card hot plug testing device and comprises the following working processes:
Step S1, receiving a test control instruction, and supplying power to tested equipment;
step S2, after the tested equipment is started, executing an instruction for inserting the SIM card through the SIM card telescopic control component;
Step S3, judging whether the tested equipment identifies the SIM card or not through polling inquiry, if so, carrying out successful hot-plug counting, and jumping to the step S4; if not, the tested equipment returns to judge whether the SIM card is identified by resetting and polling operation until the first preset times are reached, and the SIM card hot insertion failure is judged, so that the alarm is realized;
s4, executing an instruction for extracting the SIM card through the SIM card expansion control component;
Step S5, judging whether the tested equipment identifies the SIM card or not through polling inquiry, if not, carrying out successful hot extraction counting, and jumping to step S6; if yes, the tested equipment returns to judge whether the SIM card is identified by resetting and polling operation until the second preset times are reached, and the SIM card is judged to be failed in hot extraction, so that alarm is realized;
step S6, sequentially and circularly executing the steps S2 to S5 until the third preset times of hot plug-in and hot pull-out test processes are completed.
In the step S3, when the tested device does not recognize the SIM card, resetting the tested device, and then returning to judge whether the tested device recognizes the SIM card through polling inquiry, if so, counting successfully the hot plug and jumping to the step S4, and if the reset times reach the first preset times, judging that the tested device still does not recognize the SIM card, and if so, judging that the hot plug of the SIM card fails; in the step S5, when the tested device identifies the SIM card, the tested device is reset first, then the device returns to poll and inquire to determine whether the tested device identifies the SIM card, if yes, the device counts the successful hot-pull and jumps to the step S6, and if the reset time reaches the second preset time, the device still identifies the SIM card, and then determines that the SIM card fails hot-pull.
Compared with the prior art, the invention has the beneficial effects that: the SIM card hot plug test of the batch self-ejection type SIM card equipment can be realized, the working efficiency of the SIM card hot plug test is improved, and the reliability of the SIM card hot plug test is ensured; the test state of the tested equipment can be monitored in real time to judge whether the tested equipment is damaged in the SIM card hot plug test process; the SIM card hot plug test of tested equipment with different sizes can be satisfied, and the application range is wide; and moreover, the SIM card hot plug testing device can be connected with a PC client or a remote control center through a GSM network, so that a tester can conveniently manage and monitor the operation condition of a machine where a plurality of SIM card hot plug testing devices are located.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a test state of one embodiment of the present invention in hot plug and hot unplug;
FIG. 3 is a workflow diagram of one embodiment of the present invention;
FIG. 4 is a schematic diagram of the working principle of an embodiment of the invention;
Fig. 5 is a detailed schematic of the working principle of an embodiment of the present invention.
Detailed Description
Preferred embodiments of the present invention will be described in further detail below with reference to the attached drawings:
As shown in fig. 1 to 2, this embodiment provides a device for testing hot plug of a SIM card, including: base 1, first platform 2, first platform support 3, the fixed subassembly of tested equipment, second platform 4, second platform support 5 and SIM card flexible control assembly, first platform 2 pass through first platform support 3 set up in on the base 1, the fixed subassembly of tested equipment set up in first platform 2 is close to the one end of second platform 4, second platform 4 pass through second platform support 5 set up in on the base 1, the flexible control assembly of SIM card set up in second platform 4 is close to the one end of the fixed subassembly of tested equipment.
The SIM card expansion control component is used for controlling the hot inserting and hot extracting processes of the SIM card; preferably, as shown in fig. 1 to 2, the SIM card expansion control assembly of this embodiment includes an expansion device 601, a stepper motor 602, a communication cable 603, a communication control module 604, and a tact switch 605, where the expansion device 601 is connected to the stepper motor 602, one end of the expansion device 601 near the tested device fixing assembly is fixedly provided with a SIM card fixing device 606, and the stepper motor 602 is connected to the communication control module 604 through the communication cable 603; the tact switch 605 is provided at one side of the telescopic device 601.
The telescopic device 601 in this example is preferably fixed inside the stepper motor 602, and is driven by a gear, so that the automation control degree of the product is high, and the size is small.
The width of the SIM card fixing device 606 is greater than that of the telescopic device 601 in this example, and the tact switch 605 is disposed below the SIM card fixing device 606. Therefore, the switch triggering can be realized in the hot plug-in and hot plug-out processes of the SIM card, and a foundation is provided for automatic control.
As shown in fig. 2, the communication control module 604 in this example includes a GSM module 6041, a main control module 6042, and a motor driving module 6043, wherein the GSM module 6041 is connected to the motor driving module 6043 through the main control module 6042, the motor driving module 6043 is connected to the stepping motor 602, and the main control module 6042 is connected to the tact switch 605.
As shown in fig. 2, in this example, the GSM module 6041 is connected to the main control module 6042 by way of PCB wiring, and can bi-directionally communicate with the main control module 6042, and the main control module 6042 is preferably an MCU; the GSM module 6041 may upload information corresponding to the test machine to the PC client of the platform through the GSM network. The code of the GSM module 6041 is unique and fixed, and each machine is identified by the GSM module 6041. The master control module 6042 drives the chip to drive the stepping motor 602 through the motor driving module 6043. The main control module 6042 is connected to a tact switch 605 inside the stepper motor 602 through a signal line, and determines the expansion of the expansion device 601 by reading the high and low levels output by the tact switch 605. The telescopic device 601 is in an extending state, and the tact switch 605 outputs a high level; the telescopic device 601 is in a contracted state, and the tact switch 605 outputs a low level. The main control module 6042 is in bidirectional communication with the tested device 9 through a signal line to inquire the state of the tested device 9 in real time and send an instruction to reset the tested device 9.
As shown in fig. 1, in this example, the first platform 2 is disposed on the first platform support 3 through a first chute 201 and a second chute 202, and the first chute 201 and the second chute 202 are symmetrically disposed on two sides of the first platform 2, so as to facilitate the setting and position adjustment of the first platform 2; the second platform 4 is arranged on the second platform bracket 5 through a third chute 401 and a fourth chute 402, and the third chute 401 and the fourth chute 402 are symmetrically arranged on two sides of the second platform 4, so that the second platform 4 is convenient to set and adjust the position.
The first platform 2 of this example is preferably fixed to the first platform bracket 3 by screwing the first chute 201 and the second chute 202 on both sides thereof from top to bottom; the second platform 4 is preferably screwed onto the second platform bracket 5 from top to bottom through the third chute 401 and the fourth chute 402 on two sides thereof to fix the second platform, so that the stability of installation can be ensured while the position adjustment is realized.
As shown in fig. 1, the device under test fixing component is a mechanical component for fixing the device under test 9, and the device under test 9 is a device under test including a self-elastic SIM card holder; preferably, the tested device fixing assembly in this example includes a first slider 203 and a second slider 204, a first slider fixing groove 205 is provided on the first slider 203, a second slider fixing groove 206 is provided on the second slider 204, the first slider 203 is disposed on the first platform 2 through the first slider fixing groove 205, and the second slider 204 is disposed on the first platform 2 through the second slider fixing groove 206. The tested device 9 is fastened and fixed on the first platform 2 through the first slider 203 and the second slider 204, and the first slider 203, the second slider 204, the first slider fixing groove 205 and the second slider fixing groove 206 enable the tested device fixing assembly to be applicable to tested devices 9 with different sizes, and the application range is wide.
The first slider 203 of this example preferably fixes itself by screwing the first slider fixing groove 205 onto the first platform 2 from top to bottom; the second slider 204 is preferably fixed to the first platform 2 by screwing the second slider fixing groove 206 from top to bottom, and the stability of the installation can be ensured while the position adjustment is also realized.
As shown in fig. 1, in this example, a third slider 403 and a fourth slider 404 are disposed on the second platform 4, a third slider fixing groove 405 is disposed on the third slider 403, a fourth slider fixing groove 406 is disposed on the fourth slider 404, the third slider 403 is disposed on the second platform 4 through the third slider fixing groove 405, the fourth slider 404 is disposed on the second platform 4 through the fourth slider fixing groove 406, the stepper motor 602 is fixedly disposed on the second platform 4 through the third slider 403 and the fourth slider 404, and by the arrangement of the third slider 403, the fourth slider 404, the third slider fixing groove 405 and the fourth slider fixing groove 406, the stepper motor 602 is applicable to stepper motors 602 with different sizes, and is also convenient for installation and later maintenance. Of course, in practical application, the stepper motor 602 may be directly fixed to the second platform 4 by a screw.
Accordingly, the third slider 403 in this example preferably fixes itself by screwing the third slider fixing groove 405 onto the second platform 4 from top to bottom; the fourth slider 404 is preferably screwed onto the second platform 4 from top to bottom in the fourth slider fixing groove 406 to fix itself, so that the position adjustment can be achieved and the mounting stability can be ensured.
As shown in fig. 1, in this example, the first platform support 3 is disposed on the base 1 through a platform support post 10, and a first height adjusting stud 7 is disposed between the first platform support 3 and the base 1, so that the height of the first platform 2, that is, the height of the device under test fixing assembly, is adjusted by adjusting the height of the first platform support 3; the second platform support 5 is arranged on the base 1 through a platform support post 10, and a second height adjusting stud 8 is arranged between the second platform support 5 and the base 1, so that the height of the second platform 4 can be conveniently adjusted by adjusting the height of the second platform support 5, namely, the height of the SIM card telescopic control assembly is adjusted.
As shown in fig. 3 to 5, this example also provides a system for testing hot plug of a SIM card, which includes the device for testing hot plug of a SIM card as described above, and includes the following working procedures:
Step S1, receiving a test control instruction, and supplying power to tested equipment;
step S2, after the tested equipment is started, executing an instruction for inserting the SIM card through the SIM card telescopic control component;
Step S3, judging whether the tested equipment identifies the SIM card or not through polling inquiry, if so, carrying out successful hot-plug counting, and jumping to the step S4; if not, the tested equipment returns to judge whether the SIM card is identified by resetting and polling operation until the first preset times are reached, and the SIM card hot insertion failure is judged, so that the alarm is realized;
s4, executing an instruction for extracting the SIM card through the SIM card expansion control component;
Step S5, judging whether the tested equipment identifies the SIM card or not through polling inquiry, if not, carrying out successful hot extraction counting, and jumping to step S6; if yes, the tested equipment returns to judge whether the SIM card is identified by resetting and polling operation until the second preset times are reached, and the SIM card is judged to be failed in hot extraction, so that alarm is realized;
step S6, sequentially and circularly executing the steps S2 to S5 until the third preset times of hot plug-in and hot pull-out test processes are completed.
As shown in fig. 4, in the practical test, the device 9 to be tested is placed on the first platform 2, and then the distance between the first slider 203 and the second slider 204 is adjusted according to the size of the device to be tested so as to clamp the device 9 to be tested between the first slider 203 and the second slider 204, and the self-ejecting SIM card holder 11 faces the direction of the SIM card 12, so that the SIM card 12 can be inserted. After the position of the tested equipment 9 is fixed, the first height adjusting stud 7 and the second height adjusting stud 8 are adjusted to enable the self-ejection type SIM card seat 11 and the SIM card 12 to be flush. And the PC client sends a self-test instruction to the communication control module 604, and after the self-test of the automatic SIM card hot plug test system of the self-ejection SIM card equipment is finished, the automatic SIM card hot plug test system formally enters the SIM card hot plug test.
In step S3 of the present embodiment, when the tested device does not recognize the SIM card, the tested device is reset first, then a polling query is returned to determine whether the tested device recognizes the SIM card, if successful, the hot-plug success count is performed and the step S4 is skipped, and if the reset number reaches the first preset number, the tested device still does not recognize the SIM card, and then the tested device determines that the SIM card hot-plug fails; in the step S5, when the tested device identifies the SIM card, the tested device is reset first, then the device returns to poll and inquire to determine whether the tested device identifies the SIM card, if yes, the device counts the successful hot-pull and jumps to the step S6, and if the reset time reaches the second preset time, the device still identifies the SIM card, and then determines that the SIM card fails hot-pull.
The first preset times, the second preset times and the third preset times are all time thresholds which can be set and adjusted in a self-defined mode according to the requirements of clients.
In more detail, as shown in fig. 5, the detailed test flow of this example is as follows:
in step A1, the tester remotely issues a command to start the test to the communication control module 604 through the PC client.
In step A2, after the GSM module 6041 in the communication control module 604 receives the instruction from the PC client, the instruction is transmitted to the main control module 6042 for execution.
And step A3, the main control module 6042 firstly controls a relay to turn on a power supply to supply power to the tested equipment 9.
And step A4, after the tested device 9 is powered on, a power-on signal is transmitted to the main control module 6042 through a signal line.
And step A5, after the master control module 6042 confirms that the tested device 9 is started, the master control module 6042 executes an instruction for inserting the SIM card.
In step A6, the main control module 6042 controls the motor driving module 6043 to drive the stepper motor 602 to rotate clockwise.
In step A7, the stepper motor 602 rotates to drive the gear to rotate, and the telescopic device 601 is driven by the gear to extend outwards.
And step A8, the extension device 601 is thin and thick (i.e. the width of the SIM card fixing device 606 is greater than the width of the extension device 601), after the extension device 601 extends outwards, one thick end of the extension device presses the contact of the tact switch 605, and the tact switch 605 outputs a high level.
In step A9, the master control module 6042 reads the high level of the tact switch and considers that the telescopic device 601 has been extended successfully. Otherwise, the extension of the telescopic device 601 fails, and the main control module 6042 enters a re-operation flow.
Step a10, the extension device 601 extends outwards, and the head of the extension device is inserted into the self-ejecting SIM card holder 11 of the tested device 9 by using the SIM card 12 fixed by the SIM card fixing device 606.
And step A11, after the SIM card 12 is inserted into the self-ejection type SIM card seat 11 of the tested device 9, the main control module 6042 inquires whether the tested device 9 recognizes the SIM card 12 in a polling mode through a communication line.
And step A12, if the tested device 9 identifies the SIM card 12, the main control module 6042 counts the SIM card hot-insertion success of the tested device 9 once.
And step A13, each time the master control module 6042 counts 100 times of successful hot insertion of the SIM card of the tested device 9, the SIM card is transmitted to the GSM module 6041 to be uploaded to a platform through a network.
And step A14, if the master control module 6042 polls for a period of time, the tested device 9 is found to not recognize the SIM card 12, the device is reset first, and the device is uploaded successfully. If how many operations are attempted, it is found that the device under test 9 still does not recognize the SIM card, and the device under test 9 is considered to have failed in the hot plug. The master module 6042 will transmit the SIM card hot plug failure alarm to the GSM module 6041 for uploading to the platform via the network.
And step A15, after the SIM card of the tested device 9 is successfully inserted, the main control module 6042 executes an instruction of extracting the SIM card.
In step a16, the main control module 6042 controls the motor driving module 6043 to drive the stepper motor 602 to rotate counterclockwise.
In step a17, the stepper motor 602 rotates to drive the gear to rotate, and the telescopic device 601 is driven by the gear to retract.
And step A18, the telescopic device 601 is thin outside and thick inside, after the telescopic device 601 is contracted, one thin end cannot press the contact of the tact switch 605, the contact is sprung outside, and the tact switch 605 outputs a low level.
Step a19, the master control module 6042 reading the low level of the tact switch considers that the telescopic device 601 has been contracted successfully. Otherwise, the retraction of the telescopic device 601 fails, and the main control module 6042 enters a re-operation process.
Step a20, the telescopic device 601 is contracted, and the head of the telescopic device is pulled out from the self-ejecting SIM card holder 11 of the tested device 9 by the SIM card 12 fixed by the SIM card fixing device 606.
And step A21, after the SIM card 12 is ejected from the self-ejection type SIM card seat 11 of the tested device 9, the main control module 6042 inquires whether the tested device 9 recognizes the SIM card 12 in a polling mode through a communication line.
And step A22, if the tested device 9 does not recognize the SIM card 12, the master control module 6042 counts the successful hot extraction of the SIM card of the tested device 9 once.
In step a23, each time the master control module 6042 counts 100 times of successful hot extraction of the SIM card of the device under test 9, the SIM card is transmitted to the GSM module 6041 to be uploaded to a platform through a network.
And step A24, if the master control module 6042 polls for a period of time, the tested device 9 is found to still recognize the SIM card 12, the device is reset first, and the device is uploaded successfully. If it is found how many operations are attempted, the device under test 9 still recognizes the SIM card 12, and the SIM card hot-extraction of the device under test 9 is considered to be failed. The master module 6042 transmits the SIM card hot-pull failure alarm to the GSM module 6041 for uploading to the platform via the network.
And step A25, circularly carrying out the operations from the step A6 to the step A24 until the times set by the user at the PC client are completed.
In summary, the embodiment can realize the SIM card hot plug test of the batch self-ejection type SIM card equipment, improve the working efficiency of the SIM card hot plug test and ensure the reliability of the SIM card hot plug test; the test state of the tested equipment can be monitored in real time to judge whether the tested equipment is damaged in the SIM card hot plug test process; the SIM card hot plug test of tested equipment with different sizes can be satisfied, and the application range is wide; and moreover, the SIM card hot plug testing device can be connected with a PC client or a remote control center through a GSM network, so that a tester can conveniently manage and monitor the operation condition of a machine where a plurality of SIM card hot plug testing devices are located.
The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.
Claims (7)
1. A SIM card hot plug testing apparatus, comprising: the device comprises a base, a first platform support, a tested device fixing assembly, a second platform support and a SIM card telescopic control assembly, wherein the first platform is arranged on the base through the first platform support; the SIM card telescopic control assembly comprises a telescopic device, a stepping motor, a communication cable and a communication control module, wherein the telescopic device is connected with the stepping motor, one end, close to the tested equipment fixing assembly, of the telescopic device is fixedly provided with a SIM card fixing device, and the stepping motor is connected to the communication control module through the communication cable; the SIM card expansion control assembly further comprises a tact switch, and the tact switch is arranged on one side of the expansion device; the communication control module comprises a GSM module, a main control module and a motor driving module, wherein the GSM module is connected to the motor driving module through the main control module, the motor driving module is connected to the stepping motor, and the main control module is connected to the tact switch; the GSM module is connected with the main control module in a PCB wiring mode and is in bidirectional communication with the main control module, the GSM module uploads information corresponding to the testing machine to a PC client of the platform through a GSM network, the code of the GSM module is unique and fixed, each machine is identified through the GSM module, the main control module drives a chip to drive a stepping motor through a motor driving module, the main control module is connected with a tact switch in the stepping motor through a signal wire, the expansion of a telescopic device is judged by reading the high and low levels output by the tact switch, the telescopic device is in an extending state, and the tact switch outputs high levels; the telescopic device is in a contracted state, the tact switch outputs low level, the main control module is in bidirectional communication with the tested equipment through a signal wire to inquire the state of the tested equipment in real time, and sends an instruction to reset the tested equipment.
2. The SIM card hot plug testing apparatus according to claim 1, wherein the width of the SIM card fixing apparatus is greater than the width of the telescopic apparatus, and the tact switch is disposed below the SIM card fixing apparatus.
3. The SIM card hot plug testing apparatus according to any one of claims 1 to 2, wherein the first platform is disposed on the first platform support through a first chute and a second chute, and the first chute and the second chute are symmetrically disposed on two sides of the first platform; the second platform is arranged on the second platform bracket through a third chute and a fourth chute, and the third chute and the fourth chute are symmetrically arranged on two sides of the second platform.
4. The SIM card hot plug testing apparatus according to any one of claims 1 to 2, wherein the tested device fixing assembly includes a first slider and a second slider, a first slider fixing groove is provided on the first slider, a second slider fixing groove is provided on the second slider, the first slider is disposed on the first platform through the first slider fixing groove, and the second slider is disposed on the first platform through the second slider fixing groove; the novel stepping motor comprises a first platform, a second platform, a stepping motor, a third sliding block, a fourth sliding block, a third sliding block and a fourth sliding block, wherein the second platform is provided with the third sliding block and the fourth sliding block, the third sliding block is provided with the third sliding block fixing groove, the fourth sliding block is provided with the fourth sliding block fixing groove on the second platform through the third sliding block fixing groove, the fourth sliding block is provided with the second platform through the fourth sliding block fixing groove, and the stepping motor is fixedly arranged on the second platform through the third sliding block and the fourth sliding block.
5. The SIM card hot plug testing apparatus according to any one of claims 1 to 2, wherein a first height adjustment stud is provided between the first platform bracket and the base, and a second height adjustment stud is provided between the second platform bracket and the base.
6. A system for testing the hot plug of a SIM card, comprising a device for testing the hot plug of a SIM card according to any one of claims 1 to 5, and comprising the following working procedures:
Step S1, receiving a test control instruction, and supplying power to tested equipment;
step S2, after the tested equipment is started, executing an instruction for inserting the SIM card through the SIM card telescopic control component;
Step S3, judging whether the tested equipment identifies the SIM card or not through polling inquiry, if so, carrying out successful hot-plug counting, and jumping to the step S4; if not, the tested equipment returns to judge whether the SIM card is identified by resetting and polling operation until the first preset times are reached, and the SIM card hot insertion failure is judged, so that the alarm is realized;
s4, executing an instruction for extracting the SIM card through the SIM card expansion control component;
Step S5, judging whether the tested equipment identifies the SIM card or not through polling inquiry, if not, carrying out successful hot extraction counting, and jumping to step S6; if yes, the tested equipment returns to judge whether the SIM card is identified by resetting and polling operation until the second preset times are reached, and the SIM card is judged to be failed in hot extraction, so that alarm is realized;
step S6, sequentially and circularly executing the steps S2 to S5 until the third preset times of hot plug-in and hot pull-out test processes are completed.
7. The system according to claim 6, wherein in the step S3, when the tested device does not recognize the SIM card, the tested device is reset first, then a poll is returned to determine whether the tested device recognizes the SIM card, if successful, the hot plug is successfully counted and the step S4 is skipped, and if the reset number reaches the first preset number, the tested device still does not recognize the SIM card, and then the tested device determines that the hot plug of the SIM card fails; in the step S5, when the tested device identifies the SIM card, the tested device is reset first, then the device returns to poll and inquire to determine whether the tested device identifies the SIM card, if yes, the device counts the successful hot-pull and jumps to the step S6, and if the reset time reaches the second preset time, the device still identifies the SIM card, and then determines that the SIM card fails hot-pull.
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