CN220457415U

CN220457415U - Compatible testing device and testing equipment

Info

Publication number: CN220457415U
Application number: CN202321866575.2U
Authority: CN
Inventors: 黄世豪
Original assignee: Guangdong Mobile Communication Technology Co ltd
Current assignee: Guangdong Mobile Communication Technology Co ltd
Priority date: 2023-07-14
Filing date: 2023-07-14
Publication date: 2024-02-06
Anticipated expiration: 2033-07-14

Abstract

The utility model discloses a compatible testing device and testing equipment, wherein the device comprises: the first end of the switching module is connected with the clamping seat, the second end of the switching module is connected with the first interface of the module to form a first channel, and the third end of the switching module is connected with the second interface of the module to form a second channel; the first switch is connected with the signal control end of the switching module and is configured to output a first control signal to switch the conducting state of the first channel and the second channel. The compatible testing device can complete testing without repeated plugging and unplugging, improves testing efficiency, does not need to design a new testing clamp, and reduces cost.

Description

Compatible testing device and testing equipment

Technical Field

The present utility model relates to the field of communications technologies, and in particular, to a compatible testing device and a testing apparatus.

Background

For a USIM (Universal Subscriber Identity Module, global subscriber identity module) module, after production is completed, the modules need to be tested, USIM interface resources of different modules are different, and for a module with double USIM interfaces, in actual test, the USIM card needs to be inserted into the card slot 1 first, then pulled out after the test is completed, and then inserted into the card slot 2, so that the test efficiency is low.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, a first object of the present utility model is to provide a compatible testing device, which outputs a first control signal by controlling a first switch to switch the on state of a first channel and a second channel, when a first interface of a module needs to be tested, the first channel is in an on state, and when a second interface of the module needs to be tested, the first channel is in an off state, and the second channel is in an on state, so that the testing can be completed without repeated plugging and unplugging, the testing efficiency is improved, a new testing fixture is not required to be designed, and the cost is reduced.

A second object of the utility model is to propose a testing device.

To achieve the above object, a first aspect of the present utility model provides a compatibility testing device applied to a USIM/SIM (Subscriber Identity Module ) module, the device comprising: the first end of the switching module is connected with the clamping seat, the second end of the switching module is connected with the first interface of the module to form a first channel, and the third end of the switching module is connected with the second interface of the module to form a second channel; the first switch is connected with the signal control end of the switching module and is configured to output a first control signal so as to switch the conducting states of the first channel and the second channel.

According to the compatibility testing device, the first end of the switching module is connected with the card seat, the second end of the switching module is connected with the first interface of the module to form a first channel, the third end of the switching module is connected with the second interface of the module to form a second channel, the first switch is connected with the signal control end of the switching module, and the first switch is configured to output a first control signal to switch the conducting state of the first channel and the second channel. Therefore, the device outputs the first control signal by controlling the first switch so as to switch the conducting state of the first channel and the second channel, when the first interface of the module needs to be tested, the first channel is in the conducting state, the second channel is in the disconnecting state, when the second interface of the module needs to be tested, the first channel is in the disconnecting state, and the second channel is in the conducting state, so that the test can be completed without repeated plugging, the test efficiency is improved, a new test fixture does not need to be designed, and the cost is reduced.

In some embodiments, the above-mentioned compatibility test device further includes: one end of the second switch is connected with the detection pin of the module; and one end of the detection module is connected with the signal input end of the second switch, and the other end of the detection module is connected with the clamping seat.

In some embodiments, the detection module comprises: the first end of the first detection unit is connected with the detection pin of the clamping seat, the second end of the first detection unit is connected with the first signal input end of the second switch, and the third end of the first detection unit is connected with a power supply; the first end of the second detection unit is connected with the detection pin of the clamping seat, the second end of the second detection unit is connected with the second signal input end of the second switch, and the third end and the fourth end of the second detection unit are respectively connected with the power supply; the second switch is configured to output a second control signal to select an operating state of the first detection unit or the second detection unit.

In some embodiments, the first detection unit comprises: one end of the first resistor is connected with the power supply; and one end of the third resistor is connected with the other end of the first resistor and is provided with a first node, the other end of the third resistor is connected with the first signal input end of the second switch, and the first node is connected with the detection pin of the clamping seat.

In some embodiments, the second detection unit comprises: one end of the second resistor is connected with a second signal input end of the second switch; one end of the fourth resistor is connected with the power supply, and the other end of the fourth resistor is connected with one end of the second resistor; the first end of the switching tube is connected with the other end of the second resistor, and the second end of the switching tube is grounded; and one end of the fifth resistor is respectively connected with the third end of the switch tube and the detection pin of the clamping seat, and the other end of the fifth resistor is connected with the power supply.

In some embodiments, the first resistor and the fifth resistor are the same resistor.

In some embodiments, the first switch and the second switch are dial switches.

In some embodiments, the cartridge includes a normally closed interface.

In some embodiments, the switching tube comprises a MOS (Metal-Oxide-Semiconductor Field-Effect Transistor) tube.

In order to achieve the above object, a second aspect of the present utility model provides a testing apparatus, which includes the above compatible testing device.

According to the test equipment provided by the utility model, the test efficiency is improved, the detection circuit is increased, and the compatibility of the hardware test environment is enhanced by the compatible test device.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

FIG. 1 is a block schematic diagram of a compatibility test apparatus according to some embodiments of the present utility model;

FIG. 2 is a schematic diagram of a first switch according to some embodiments of the utility model;

FIG. 3 is a schematic diagram of a switching module according to some embodiments of the utility model;

FIG. 4 is a schematic diagram of a cartridge according to some embodiments of the utility model;

FIG. 5 is a block schematic diagram of a compatibility test apparatus according to some embodiments of the present utility model;

FIG. 6 is a schematic diagram of a second switch according to some embodiments of the utility model;

FIG. 7 is a schematic diagram of a detection module according to some embodiments of the utility model;

fig. 8 is a block schematic diagram of a test apparatus according to some embodiments of the utility model.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

The compatibility testing apparatus and testing device according to the embodiments of the present utility model are described below with reference to the accompanying drawings.

FIG. 1 is a block schematic diagram of a compatibility test apparatus according to some embodiments of the present utility model.

In some embodiments of the present utility model, the compatibility test device 100 may be applied to a USIM module and also to a SIM module.

As shown in fig. 1, the compatibility test apparatus 100 of the present utility model includes: a switching module 10 and a first switch 20.

The first end of the switching module 10 is connected with the card holder, the second end of the switching module 10 is connected with the first interface USIM1 of the module to form a first channel, and the third end of the switching module 10 is connected with the second interface USIM2 of the module to form a second channel. The first switch 20 is connected to the signal control terminal of the switching module 10, and the first switch 20 is configured to output a first control signal to switch the on states of the first channel and the second channel.

Specifically, the first control signal may include a low-level signal and a high-level signal, when the first interface USIM1 of the module needs to be tested, the first switch 20 may be controlled to make the first switch 20 output the low-level signal to the switching module 10, the switching module 10 is controlled by the low-level signal, so that the first channel is in a conducting state, and the card socket is in signal connection with the first interface USIM1 of the module. Similarly, when the second interface USIM2 of the module needs to be tested, the first switch 20 can be controlled at this time to make the first switch 20 output a high level signal to the switching module 10, the switching module 10 is controlled by the high level signal, so that the second channel is in a conducting state, and the card seat is in signal connection with the second interface USIM2 of the module.

In one embodiment of the present utility model, the first switch 20 may be a dial switch.

When the first switch 20 is a dial switch, as shown in fig. 2 and fig. 3, when the first interface USIM1 of the module is tested, only a SIM/USIM card needs to be placed on the card holder, and then the dial switch (the first switch 20) is dialed to connect the 2 and 3 pins of the dial switch, the first control signal is usim_sel=l, the switching module 10 is controlled by usim_sel=l, the connection state is shown in table 1, when usim_sel=l, the first channel of the switching module 10 is turned on, in fig. 3, DAT1 is communicated with DAT, RST1 is communicated with RST, CLK1 is communicated with CLK, VSIM1 is communicated with VSIM, and signal connection between the card holder and the first interface USIM1 of the module is successful.

When testing the second interface USIM2 of the module, only a SIM/USIM card needs to be placed on the card holder, then the dial switch (the first switch 20) is turned on, so that pins 1 and 2 of the dial switch are connected, the first control signal is usim_sel=h, the switching module 10 is controlled by usim_sel=h, the connection state is shown in table 1, when usim_sel=h, the second channel of the switching module 10 is conducted, in fig. 3, DAT2 is communicated with DAT, RST2 is communicated with RST, CLK2 is communicated with CLK, VSIM2 is communicated with VSIM, and signal connection between the card holder and the second interface USIM2 of the module is successful.

TABLE 1

USIM_SEL	Connection state
		L	DAT1＝DAT，RST1＝RST，CLK1＝CLK，VSIM1＝VSIM
H	DAT2＝DAT，RST2＝RST，CLK2＝CLK，VSIM2＝VSIM

In some embodiments of the utility model, the cartridge includes a normally closed interface, that is, the sense pin is suspended when the cartridge is inserted into the SIM/USIM card; when the SIM/USIM card is not inserted, the detection pin is grounded.

Taking fig. 4 as an example for illustration, the CD pin on the card holder is a SIM/USIM card insertion detection pin, when the card holder is not inserted into the SIM/USIM card, the CD pin is connected with the housing of the card holder, which is equivalent to the grounding of the CD pin, when the card holder is inserted into the SIM/USIM card, the CD pin is disconnected from the housing of the card holder, the CD pin is suspended, and the C1 pin, the C2 pin, the C3 pin, the C7 pin and the CD pin of the card holder are connected with corresponding pins of the switching module 10.

It should be noted that, the card holder may also be a normally open interface, the control logic of the normally open interface is opposite to that of the normally closed interface, when the card holder is not inserted into the SIM/USIM card, the CD pin is suspended, and when the card holder is inserted into the SIM/USIM card, the CD pin is grounded.

It should be noted that, when the module has only one interface, the usim_sel is valid at a low level or a high level according to a predefined definition, and when the SIM/USIM card is inserted into the card holder, the first switch 20 is controlled to output a corresponding first control signal, so that channel conduction can be achieved. In addition, the card seat can be a normally open interface, so that the control logic and the logic of the normally closed interface need to be adaptively adjusted.

Therefore, the compatibility testing device realizes the compatibility of the single USIM interface and the double USIM interfaces, and can finish the subsequent testing without repeated plugging.

In some embodiments of the present utility model, as shown in fig. 5, the compatibility testing device 100 further includes: the second switch 30, one end of the second switch 30 is connected with the detection pin of the module; and one end of the detection module 40 is connected with the signal input end of the second switch 30, and the other end of the detection module 40 is connected with the card seat. The second switch 30 may also be a dial switch, as shown in fig. 6.

Further, as shown in fig. 7, the detection module 40 may include: the first detection unit 41 and the second detection unit 42, wherein a first end of the first detection unit 41 is connected with a detection pin usim_det of the card holder, a second end of the first detection unit 41 is connected with a first signal input end usim_det_h of the second switch 30, and a third end of the first detection unit 41 is connected with the power supply VCC. The first end of the second detection unit 42 is connected to the detection pin usim_det of the cartridge, the second end of the second detection unit 42 is connected to the second signal input terminal usim_det_l of the second switch 30, and the third and fourth ends of the second detection unit 42 are connected to the power supply VCC, respectively. The second switch 30 is configured to output a second control signal to select the operation state of the first detection unit 41 or the second detection unit 42.

Specifically, after the signal connection between the card holder and the module USIM1/USIM2 is completed, the next step is to run a program for testing. The SIM/USIM card test logic needs to detect whether the SIM/USIM card is in place first, and then detect whether the module functions are working properly after detecting that the SIM/USIM card is in place. As shown in table 2, there are two detection modes, high level detection and low level detection, and whether high level detection or low level detection is used is selected by the second switch 30, wherein usim_det represents a detection pin of the card holder, and usim_det=h represents a card inserted when the first detection unit 41 is selected for detection; usim_det=l, representing an uninstalled card. When the second detection unit 42 is selected for detection, usim_det=l, representing the inserted card; usim_det=h, representing an uninstalled card.

TABLE 2

USIM_DET	Detection logic
		High level detection	Usim_det=h, representing the inserted card; usim_det=l, representing an uninstalled card.
Low level detection	Usim_det=l, representing the inserted card; usim_det=h, representing an uninstalled card.

When the first detection unit 41 is selected for detection, the pins 1 and 2 of the second switch 30 are connected at this time, the second control signal is usim_det_h, and the first detection unit 41 is controlled by usim_det_h to detect the interface of the module. When the second detection unit 42 is selected for detection, the pins 2 and 3 of the second switch 30 are connected at this time, the second control signal is usim_det_l, and the second detection unit 42 is controlled by usim_det_l to detect the interface of the module. Thus, regardless of whether the module test software sets high level detection (detection by the first detection unit) or low level detection (detection by the second detection unit), the detection unit (first detection unit or second detection unit) can be selected by the output signal of the second switch 30.

With continued reference to fig. 7, in some embodiments of the present utility model, the first detection unit 41 may include: the first resistor R1, one end of the first resistor R1 is connected with the power supply VCC; and one end of the third resistor R3 is connected with the other end of the first resistor R1 and is provided with a first node J1, the other end of the third resistor R3 is connected with the first signal input end USIM_DET_H of the second switch 30, and the first node J1 is connected with the detection pin USIM_DET of the card seat.

Specifically, the second switch 30 is toggled, so that pins 1 and 2 of the second switch 30 are connected, a detection pin usim_det_bb of the module is connected with a first signal input end usim_det_h of the second switch 30, when a SIM/USIM card is inserted into the card holder, the detection pin usim_det of the card holder is suspended, the first signal input end usim_det_h of the second switch 30 and the detection pin usim_det of the card holder are pulled up to a power supply VCC (e.g. 1.8V) through a first resistor R1, the detection pin usim_det_bb of the module detects a high level, which represents that a card has been inserted, and a program is tested in normal operation, that is, a signal is input to the detection module 40 through the first interface USIM1 for testing; after the SIM/USIM card is pulled out, the detection pin usim_det of the card holder is grounded, that is, the first signal input end usim_det_h of the second switch and the detection pin usim_det of the card holder are grounded, the detection pin usim_det_bb of the module detects a low level, which indicates that no card is inserted, and the program cannot run, that is, cannot be input to the detection module 40 for testing through the first interface USIM1 signal.

With continued reference to fig. 7, the second detection unit 42 may include: a second resistor R2, one end of the second resistor R2 is connected to the second signal input terminal usim_det_l of the second switch 30; one end of the fourth resistor R4 is connected with the power supply VCC, and the other end of the fourth resistor R4 is connected with one end of the second resistor R2; the first end of the switching tube Q1 is connected with the other end of the second resistor R2, and the second end of the switching tube Q1 is grounded; and one end of the fifth resistor R5 is respectively connected with the third end of the switch tube Q1 and the detection pin USIM_DET of the card seat, and the other end of the fifth resistor R5 is connected with the power supply VCC. The first resistor R1 and the fifth resistor R5 are the same resistor, and the switching tube Q1 may include a MOS tube.

Specifically, the second switch 30 is toggled, so that pins 2 and 3 of the second switch 30 are connected, a detection pin usim_det_bb of the module is connected to a second signal input end usim_det_l of the second switch 30, when a SIM/USIM card is inserted into the card holder, the detection pin usim_det of the card holder is suspended, the detection pin usim_det of the card holder is pulled up to VCC (e.g. 1.8V) through a first resistor R1, vgs=vcc of the switching tube Q1 reaches an on voltage, the switching tube Q1 is in an on state, a second signal input end usim_det_l of the second switch 30 is grounded through a second resistor R2 and the switching tube Q1, i.e. the detection pin usim_det_bb of the module is grounded, the detection pin usim_det_bb of the module is detected as a low level, which represents that a card has been inserted, and a program is tested in normal operation, i.e. a signal is input to the detection module 40 through the first interface 1; after the SIM/USIM card is pulled out, the detection pin usim_det of the card holder is grounded, that is, vgs=0v of the switching tube Q1 does not reach the on voltage, the switching tube Q1 is turned off, the second signal input end usim_det_l of the second switch 30 is pulled up to the power supply VCC through the fifth resistor R5, the signal detection pin usim_det_bb of the module detects a high level, which indicates that no card is inserted, and the program cannot run, that is, cannot be input to the detection module 40 through the first interface USIM1 signal for testing.

The first resistor R1 and the fifth resistor R5 may be different resistors.

In conclusion, the compatibility detection device provided by the utility model can realize the compatibility of a single USIM interface and a double USIM interface, and can complete the test without repeated card plugging. The logic of different test software can be detected through the switching module, different software program logic is adapted, compatibility of a hardware test environment is enhanced, a software program of a module is not required to be updated, cost is reduced, and test period is shortened.

In summary, in the compatibility detecting device of the present utility model, the first end of the switching module is connected to the card holder, the second end of the switching module is connected to the first interface of the module to form the first channel, the third end of the switching module is connected to the second interface of the module to form the second channel, the first switch is connected to the signal control end of the switching module, and the first switch is configured to output the first control signal to switch the on state of the first channel and the second channel. Therefore, the device outputs the first control signal by controlling the first switch so as to switch the conducting state of the first channel and the second channel, when the first interface of the module needs to be tested, the first channel is in the conducting state, the second channel is in the disconnecting state, when the second interface of the module needs to be tested, the first channel is in the disconnecting state, and the second channel is in the conducting state, so that the test can be completed without repeated plugging, the test efficiency is improved, a new test fixture does not need to be designed, and the cost is reduced.

Corresponding to the embodiment, the utility model also provides test equipment.

As shown in fig. 8, the test apparatus 200 of the present utility model includes the compatible test device 100 described above.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims

1. A compatibility test device for use in a USIM/SIM module, said device comprising:

the first end of the switching module is connected with the clamping seat, the second end of the switching module is connected with the first interface of the module to form a first channel, and the third end of the switching module is connected with the second interface of the module to form a second channel;

the first switch is connected with the signal control end of the switching module and is configured to output a first control signal so as to switch the conducting states of the first channel and the second channel.

2. The compatibility test device of claim 1, further comprising:

one end of the second switch is connected with the detection pin of the module;

and one end of the detection module is connected with the signal input end of the second switch, and the other end of the detection module is connected with the clamping seat.

3. The compatibility test device of claim 2, wherein the detection module includes:

the first end of the first detection unit is connected with the detection pin of the clamping seat, the second end of the first detection unit is connected with the first signal input end of the second switch, and the third end of the first detection unit is connected with a power supply;

the first end of the second detection unit is connected with the detection pin of the clamping seat, the second end of the second detection unit is connected with the second signal input end of the second switch, and the third end and the fourth end of the second detection unit are respectively connected with the power supply;

the second switch is configured to output a second control signal to select an operating state of the first detection unit or the second detection unit.

4. A compatibility test apparatus according to claim 3, wherein said first detection unit comprises:

one end of the first resistor is connected with the power supply;

and one end of the third resistor is connected with the other end of the first resistor and is provided with a first node, the other end of the third resistor is connected with the first signal input end of the second switch, and the first node is connected with the detection pin of the clamping seat.

5. The compatibility test device of claim 4, wherein the second detection unit includes:

one end of the second resistor is connected with a second signal input end of the second switch;

one end of the fourth resistor is connected with the power supply, and the other end of the fourth resistor is connected with one end of the second resistor;

the first end of the switching tube is connected with the other end of the second resistor, and the second end of the switching tube is grounded;

and one end of the fifth resistor is respectively connected with the third end of the switch tube and the detection pin of the clamping seat, and the other end of the fifth resistor is connected with the power supply.

6. The compatibility test device of claim 5, wherein the first resistor and the fifth resistor are the same resistor.

7. The compatibility test device of claim 2, wherein the first switch and the second switch are dip switches.

8. The compatibility test device of claim 1, wherein the cartridge includes a normally closed interface.

9. The compatibility test device of claim 5, wherein the switching tube includes a MOS tube.

10. A test apparatus comprising a compatible testing device according to any one of claims 1-9.