CN221263825U - MIPI signal modularity test fixture - Google Patents
MIPI signal modularity test fixture Download PDFInfo
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- CN221263825U CN221263825U CN202323192032.XU CN202323192032U CN221263825U CN 221263825 U CN221263825 U CN 221263825U CN 202323192032 U CN202323192032 U CN 202323192032U CN 221263825 U CN221263825 U CN 221263825U
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- 238000004891 communication Methods 0.000 claims abstract description 98
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- 230000005540 biological transmission Effects 0.000 abstract description 11
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- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 101100129514 Mus musculus Mbip gene Proteins 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
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Abstract
The utility model discloses an MIPI signal modularized test fixture, which comprises a main control unit, an MIPI communication unit, a power supply unit and a test communication unit, wherein the MIPI communication unit comprises an MIPI communication interface, and the MIPI communication interface comprises at least ten terminals; the tool also comprises an adapter interface and an external connector; the switching interface is electrically connected with the MIPI communication interface; the external connector is electrically connected with the module to be tested. When in actual use, the module to be tested can establish a communication channel with the MIPI communication unit through the external connector, the switching interface and the MIPI communication interface so as to test; because the external connector is matched with the module to be tested, connection can be established with different modules to be tested, and the utility model can adopt 1 pair of source synchronous differential clocks and 1-4 pairs of differential data lines to carry out data transmission. Therefore, the utility model has good universality, reduces the cost of repeated tools and shortens the time of newly manufacturing the tools.
Description
Technical Field
The utility model relates to the technical field of testing devices, in particular to an MIPI signal modularized testing tool.
Background
Most of the current electronic products integrate MIPI wiring, such as mobile phones, cameras, computers and other products with screens or cameras, wherein MIPI is an abbreviation of Mobile Industry Processor Interface in english, and chinese means processor interface in mobile communication industry.
In the face of iteration of cameras and screen modules which are different from each other, an adaptive MIPI signal modularized test fixture needs to be developed according to new MIPI module pin definitions, meanwhile, different product mainboards need to be adapted, and the mainboards may limit connection modes due to product definitions and structural limitations, such as different modes of BTB connectors, vertical pin connectors, pogpin connectors, hot pads and the like. This creates the situation that one MIPI module may have different MIPI signal modular test tools, or one MIPI signal modular test tool for one product; the production cost rises and the time cost of building the tooling is wasted.
Disclosure of utility model
Aiming at the defects, the technical problems to be solved by the utility model are as follows: the modularized MIPI signal testing tool can test the function inspection of the module with MIPI communication protocol defined by different pins, has good universality, reduces the cost of repeated tools and shortens the time of newly manufacturing tools.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
The MIPI signal modularized test fixture comprises a main control unit, and a MIPI communication unit, a power supply unit and a test communication unit which are respectively and electrically connected with the main control unit, wherein the test communication unit comprises a test communication interface, the MIPI communication unit comprises a MIPI communication interface, and the MIPI communication interface comprises at least ten terminals; the tool also comprises an adapter interface and an external connector which are electrically connected; the switching interface is electrically connected with the MIPI communication interface, and the switching interface is matched with the MIPI communication interface; the external connector is used for being electrically connected with the module to be tested, and the external connector is matched with the module to be tested.
Preferably, the power supply unit includes a ground terminal and at least one voltage output terminal.
Preferably, the switching interface is detachably and electrically connected with the MIPI communication interface.
Preferably, the MIPI communication interface includes a first connector including at least ten terminals.
Preferably, the MIPI communication interface further comprises a second connector comprising at least eight terminals, a third connector comprising at least six terminals, and/or a fourth connector comprising at least four terminals.
Preferably, the power supply unit includes at least three voltage output ends, the three voltage output ends are respectively defined as a first voltage output end, a second voltage output end and a third voltage output end, the first voltage output end and the second voltage output end output the same or different voltages, the third voltage output end is a standby end, and the standby end is externally connected with an adjustable digital power supply.
Preferably, the external connector is a BTB connector, a wire-to-board press-fit terminal, a pogopi n connector or a thermal pad.
Preferably, the tool further comprises a flexible circuit board, and the flexible circuit board is electrically connected with the external connector and the switching interface.
Preferably, the tool further comprises an interface terminal, and the interface terminal is electrically connected with the external connector and the switching interface through dupont wires.
Preferably, the test communication unit is a USB communication unit, and the test communication interface is a USB interface; or the test communication unit is a serial communication unit, and the test communication interface is a UART interface.
After the technical scheme is adopted, the utility model has the beneficial effects that:
Because the M IPI signal modularized test fixture comprises a main control unit, an MIPI communication unit, a power supply unit and a test communication unit, the test communication unit comprises a test communication interface, the MIPI communication unit comprises an MIPI communication interface, and the MIPI communication interface comprises at least ten terminals; the tool also comprises an adapter interface and an external connector which are electrically connected; the switching interface is electrically connected with the MIPI communication interface and is matched with the MIPI communication interface; the external connector is used for being electrically connected with the module to be tested, and the external connector is matched with the module to be tested. When in actual use, the module to be tested can establish a communication channel with the MIPI communication unit through the external connector, the switching interface and the MIPI communication interface so as to test; because the external connector is matched with the module to be tested, the external connector can be connected with different modules to be tested, and because the MIPI communication interface comprises at least ten terminals, the utility model can adopt 1 pair of source synchronous differential clocks and 1-4 pairs of differential data lines to carry out data transmission. Therefore, the M IPI signal modularized test tool has good universality, reduces the cost of repeated tools and greatly shortens the time for manufacturing the tools newly.
Drawings
FIG. 1 is a schematic structural diagram of a modularized test fixture for M IP I signals in the utility model;
In the figure: the test device comprises a 1-test communication unit, a 2-main board, a 3-M IP I communication interface, a 30-first connector, a 31-second connector, a 32-third connector, a 33-fourth connector, a 40-grounding terminal, a 41-first voltage output terminal, a 42-second voltage output terminal and a 43-third voltage output terminal.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It should be noted that, in the description of the present utility model, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.
As shown in fig. 1, according to an embodiment of the present utility model, the M IP I signal modularized test fixture includes a main board 2, a main control unit, and an M IP I communication unit, a power supply unit, and a test communication unit 1 electrically connected to the main control unit are respectively disposed on the main board 2, the test communication unit 1 includes a test communication interface, the M IP I communication unit includes an M IP I communication interface 3, and the M IP I communication interface 3 includes at least ten terminals.
The tool also comprises an electrically connected switching interface and an external connector, wherein the switching interface is electrically connected with the M IP I communication interface 3, the switching interface is matched with the M IP I communication interface 3, the matching refers to the number of terminals, the connection mode and the like, for example, the M IP I communication interface 3 is a male seat, and the switching interface is a female seat. The external connector is used for being electrically connected with the module to be tested, and is matched with the module to be tested, wherein the matching refers to that when the external connector is provided with the BTB connector, the module to be tested is provided with the connector matched with the BTB connector.
When in actual use, the module to be tested can establish a communication channel with the M IP I communication unit through the external connector, the transfer interface and the M IP I communication interface 3 so as to test; because the external connector is matched with the module to be tested, the external connector can be connected with different modules to be tested, and because the M IP I communication interface 3 comprises at least ten terminals, the utility model can adopt 1 pair of source synchronous differential clocks and 1-4 pairs of differential data lines to carry out data transmission.
Specifically, four terminals of the mbi communication interface 3, a pair as clock terminals clk_m and clk_p and a pair as DATA transmission lines, the terminals being data0_m and data0_p, respectively;
Six terminals of the mbip communication interface 3, one pair as clock terminals clk_m and clk_p and two pairs as DATA transmission lines, terminals data0_ M, DATA0_ P, DATA1 _1_m and data1_p, respectively, may be used;
Eight terminals of the mbip communication interface 3, one pair as clock terminals clk_m and clk_p, and three pairs as DATA transmission lines, the terminals being data0_ M, DATA0 _0_ P, DATA1 _1_ M, DATA1_ P, DATA2_m and data2_p, respectively;
ten terminals of the mbip communication interface 3, one pair as clock terminals clk_m and clk_p, and four pairs as DATA transmission lines, the terminals being data0_ M, DATA0 _0_ P, DATA1_ M, DATA1 _1_ P, DATA2 _2_ M, DATA2_ P, DATA3_m and data3_p, respectively, may be used.
Therefore, the M IP I signal modularized test tool has good universality, reduces the cost of repeated tools and greatly shortens the time of newly manufacturing the tools.
As shown in fig. 1, in some embodiments of the present utility model, the mbi communication interface 3 includes a first connector 30, the first connector 30 including at least ten terminals. Preferably, the transit interface is detachably and electrically connected to the mbi communication interface 3, in particular, the transit interface is detachably and electrically connected to the first connector 30.
In the utility model, the first connector 30 is a ten-pin socket, and the corresponding switching interface can be a ten-pin socket which is directly spliced with the first connector 30, so that the test fixture of the utility model is convenient to construct and improves the efficiency.
As shown in fig. 1, in other embodiments of the present utility model, the mbi communication interface 3 further includes a second connector 31, a third connector 32, and/or a fourth connector 33, the second connector 31 including at least eight terminals, the third connector 32 including at least six terminals, and the fourth connector 33 including at least four terminals.
In the present utility model, the second connector 31, the third connector 32 and the fourth connector 33 are pin sockets, as shown in fig. 1, the second connector 31 is an eight-pin socket, the third connector 32 is a six-pin socket, and the fourth connector 33 is a four-pin socket; at this time, the switching interface can also be a ten-pin socket; the switching interface can be directly spliced with the second connector 31, the third connector 32 and the fourth connector 33, so that the test tool of the utility model has convenient construction and improved efficiency
In addition, when the MIPI communication unit on the module to be tested is a pair of clock and a pair of data transmission lines, the module to be tested can establish a communication channel through the external connector, the switching interface and the fourth connector 33; when the MIPI communication unit on the module to be tested is a pair of clock two pairs of data transmission lines, the module to be tested can establish a communication channel through the external connector, the switching interface and the third connector 32; when the MIPI communication unit on the module to be tested is a pair of clock three pairs of data transmission lines, the module to be tested can establish a communication channel through the external connector, the switching interface and the second connector 31; when the MIPI communication unit on the module to be tested is a pair of clock and four pairs of data transmission lines, the module to be tested can establish a communication channel through the external connector, the switching interface and the first connector 30. Therefore, the utility model is applicable to all MIPI communication modes and has good universality.
As shown in fig. 1, in some embodiments of the present utility model, the power supply unit includes a ground terminal 40 (GND) and at least one voltage output terminal; preferably, the power supply unit includes at least three voltage output terminals, where the three voltage output terminals are respectively defined as a first voltage output terminal 41, a second voltage output terminal 42, and a third voltage output terminal 43, where the first voltage output terminal 41 and the second voltage output terminal 42 output the same or different voltages, the third voltage output terminal 43 is a standby terminal, and the standby terminal is externally connected with an adjustable digital power supply.
The first voltage output end 41 can output 1.8V, the second voltage output end 42 can output 3.3V, and the third voltage output end 43 can adjust the voltage required by the adjustable digital power supply output according to actual needs. Of course, the first voltage output terminal 41 and the second voltage output terminal 42 may also output other voltages, which are specifically configured according to the test module. Because the third voltage output end 43 is a standby end, the output voltage can be adjusted in real time by the adjustable digital power supply so as to meet the use requirements of different modules to be tested, the universality of the utility model is improved, the number of test tools for the modules to be tested is further reduced, and the cost is reduced.
In addition, the power supply unit may include a voltage conversion circuit and/or a battery, and the voltage conversion circuit may convert a commercial power or a battery voltage into 3.3V or the like.
As shown in fig. 1, in some embodiments of the present utility model, the external connector is a BTB connector, a wire-to-board press-fit terminal, a pogpin connector, or a thermal pad.
When the external connector is a BTB connector, the utility model also comprises a flexible circuit board, and the external connector and the switching interface are respectively arranged on the flexible circuit board at the moment, and the electric connection is realized through printed circuits on the flexible circuit board.
When the external connector is a wire-to-board press-fit terminal, a pogpin connector or a thermal pad, the utility model further comprises an interface terminal, and the interface terminal is electrically connected with the external connector and the switching interface through the DuPont wire.
Of course, the specific structure of the external connector can be configured according to the module to be tested, and the connector with various structures can be used for testing different modules to be tested, so that the universality of the connector is further improved, the number of test tools of the modules to be tested is reduced, and the cost is reduced.
In some embodiments of the present utility model, the test communication unit 1 is a USB communication unit, and the corresponding test communication interface is a USB interface, as shown in fig. 1. The test program of the module to be tested can be burnt into the main control chip of the main control unit through the USB interface.
In other embodiments of the present utility model, the test communication unit 1 is a serial communication unit, and the test communication interface is a UART interface. The test program of the module to be tested can be burnt into the main control chip of the main control unit through the UART.
Of course, the test program of the module to be tested can be directly burnt into the main control chip through the simulator, and the main control chip is welded onto the main board 2 after the burning is completed.
In summary, the M IP I signal modularized test tool can finish the test and inspection of a plurality of M IP I modules on the market, and can be reused all the time in different tests, thereby reducing the cost of repeated tools and greatly shortening the time of newly manufacturing the tools.
The foregoing is only illustrative of the present utility model, and is not intended to limit the utility model, but any modification, equivalent to improvement of an mbit signal modular test fixture, etc. within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (10)
1. The MIPI signal modularized test fixture comprises a main control unit, and a MIPI communication unit, a power supply unit and a test communication unit which are respectively and electrically connected with the main control unit, wherein the test communication unit comprises a test communication interface, and the MIPI communication unit comprises a MIPI communication interface, and is characterized in that the MIPI communication interface comprises at least ten terminals; the tool also comprises an adapter interface and an external connector which are electrically connected;
the switching interface is electrically connected with the MIPI communication interface, and the switching interface is matched with the MIPI communication interface;
The external connector is used for being electrically connected with the module to be tested, and the external connector is matched with the module to be tested.
2. The MIPI signal modeling test fixture according to claim 1, wherein the power supply unit comprises a ground terminal and at least one voltage output terminal.
3. The MIPI signal modular test fixture of claim 1, wherein the transition interface is removably electrically connected to the MIPI communication interface.
4. The MIPI signal modeling test fixture according to claim 3, wherein the MIPI communication interface comprises a first connector comprising at least ten terminals.
5. The MIPI signal modeling test fixture according to claim 4, wherein the MIPI communication interface further comprises a second connector comprising at least eight terminals, a third connector comprising at least six terminals, and/or a fourth connector comprising at least four terminals.
6. The MIPI signal modular test fixture of claim 2, wherein the power unit comprises at least three voltage output terminals, the three voltage output terminals being defined as a first voltage output terminal, a second voltage output terminal, and a third voltage output terminal, respectively, the first voltage output terminal and the second voltage output terminal outputting the same or different voltages, the third voltage output terminal being a standby terminal, the standby terminal being externally connected with an adjustable digital power supply.
7. The MIPI signal modular test fixture of claim 1, wherein the external connector is a BTB connector, a wire-to-board compression terminal, a pogpin connector, or a thermal pad.
8. The MIPI signal modular test fixture of claim 7, further comprising a flexible circuit board electrically connecting the external connector and the adapter interface.
9. The MIPI signal modular test fixture of claim 7, further comprising an interface terminal electrically connecting the external connector and the transition interface via a dupont wire.
10. The MIPI signal modularized test tool of claim 1, wherein said test communication unit is a USB communication unit and said test communication interface is a USB interface; or the test communication unit is a serial communication unit, and the test communication interface is a UART interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323192032.XU CN221263825U (en) | 2023-11-24 | 2023-11-24 | MIPI signal modularity test fixture |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323192032.XU CN221263825U (en) | 2023-11-24 | 2023-11-24 | MIPI signal modularity test fixture |
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| Publication Number | Publication Date |
|---|---|
| CN221263825U true CN221263825U (en) | 2024-07-02 |
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|---|---|---|---|
| CN202323192032.XU Active CN221263825U (en) | 2023-11-24 | 2023-11-24 | MIPI signal modularity test fixture |
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| CN (1) | CN221263825U (en) |
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- 2023-11-24 CN CN202323192032.XU patent/CN221263825U/en active Active
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