Single board-based UBC connector test system and method

Abstract

The invention belongs to the technical field of single board connector testing, and particularly relates to a UBC connector testing system and method based on a single board, and the system comprises the single board, a slot extension module cable riser, a PCIE slot, and a PCIE standard card. A UBC connector is arranged on the single board; one end of the slot extension module cable riser is connected with the UBC connector on the single board, and the other end of the slot extension module cable riser is converted into a PCIE (Peripheral Component Interface Express) slot; a PCIE (Peripheral Component Interface Express) standard card is inserted into the PCIE slot and is connected with the UBC connector which is converted by a slot extension module cable riser; and the slot extension module cable riser is used for converting the UBC connector on the single board into a PCIE (Peripheral Component Interface Express) slot so as to realize the connection and test of the single board and the PCIE standard card. According to the method, the UBC connector is converted into the PCIE slot by adopting the cable riser, so that the test steps are simplified, the tedious operation in the test process is reduced, the test process is faster, the test efficiency is improved, and the cost and the maintenance cost of test equipment are reduced.

Description

Technical Field

[0001] The present invention belongs to the technical field of single-board connector testing, and particularly relates to a UBC connector testing system and method based on a single board. Background Art

[0002] In the electronics manufacturing industry, testing the connectors on a single board is an important link to ensure product quality and reliability. Traditional UBC connector testing methods often adopt the way of directly connecting testing equipment. The testing steps are cumbersome, and multiple manual plugging and unplugging operations are required, resulting in low testing efficiency and difficulty in meeting the needs of large-scale production. Existing testing methods may not comprehensively cover all functions and performance parameters of UBC connectors, resulting in some potential problems not being discovered in time, thus increasing the risk of product failures during use. Traditional testing equipment is often expensive and requires specialized testing personnel for operation and maintenance, increasing production costs. Due to the particularity of UBC connectors, traditional testing equipment may not be fully compatible with them, resulting in problems such as signal conversion or transmission during the testing process, affecting the accuracy and reliability of the testing.

[0003] Therefore, how to improve the existing UBC connector testing method to reduce the cost of testing equipment, improve compatibility with different UBC connectors, and comprehensively check all functions and performance parameters of UBC connectors through coverage testing is a technical problem that urgently needs to be solved at present. Summary of the Invention

[0004] The purpose of the present invention is to provide a UBC connector testing system and method based on a single board, which is used to improve the existing UBC connector testing method to reduce the cost of testing equipment, improve compatibility with different UBC connectors, and comprehensively check all functions and performance parameters of UBC connectors through coverage testing.

[0005] To solve the above technical problems, the technical solution adopted by the present invention is as follows:

[0006] A UBC connector testing system based on a single board includes a single board, a slot expansion module cable riser, a PCIE slot, and a PCIE standard card; a UBC connector is provided on the single board; one end of the slot expansion module cable riser is connected to the UBC connector on the single board, and the other end is converted into a PCIE slot; the PCIE standard card is inserted into the PCIE slot and is connected to the UBC connector converted by the slot expansion module cable riser;

[0007] The slot expansion module cable riser is used to convert the UBC connector on the single board into a PCIE slot, so as to realize the connection and test between the single board and the PCIE standard card.

[0008] Preferably, the slot expansion module cable riser includes a slot expansion circuit, and the slot expansion circuit includes a first chip, a second chip, a third chip, a first capacitor, a second capacitor, a third capacitor and a fourth capacitor;

[0009] The RXD port of the first chip is connected to the R1OUT port of the second chip, the TXD port of the first chip is connected to the T1IN port of the second chip, the R1IN port of the second chip is connected to the first port of the third chip, the T1OUT port of the second chip is connected to the second port of the third chip, and the third port of the third chip is grounded;

[0010] The T2IN port of the second chip is connected to the 3.3V voltage input terminal, the GND port of the second chip is grounded, the VCC port of the second chip is connected to the 3.3V voltage output terminal, the V- port of the second chip is connected to the third capacitor and then grounded, the V+ port of the second chip is connected to the fourth capacitor and then grounded, the C1- port of the second chip is connected to the negative electrode of the first capacitor, the positive electrode of the first capacitor is connected to the C1+ port of the second chip, the C2- port of the second chip is connected to the negative electrode of the second capacitor, and the positive electrode of the second capacitor is connected to the C2+ port of the second chip.

[0011] Preferably, the slot expansion module cable riser is further provided with a signal conversion module, and the signal conversion module is used to convert the signal of the UBC connector into a signal recognizable by the PCIE slot.

[0012] Preferably, the signal conversion module includes a signal input port, a signal conversion circuit and a signal output port, the signal input port is connected to the signal conversion circuit, and the signal conversion module is connected to the signal output port.

[0013] Preferably, the signal conversion circuit includes a voltage input terminal, a first operational amplifier, a second operational amplifier, a fifth capacitor, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor and an eighth resistor;

[0014] The voltage input terminal is connected to the non-inverting input terminal of the first operational amplifier. The inverting input terminal of the first operational amplifier is connected to the eighth resistor and then grounded. The output terminal of the first operational amplifier is respectively connected to the fifth capacitor and the second resistor. The other end of the second resistor is respectively connected to the non-inverting input terminal of the second operational amplifier and the third resistor. The second operational amplifier is respectively connected to the fourth resistor and the fifth resistor. The inverting input terminal of the second operational amplifier is respectively connected to the sixth resistor and the seventh resistor. One end of the first resistor is connected to the eighth resistor, and the other end is respectively connected to the second operational amplifier and the seventh resistor. The first resistor, the third resistor, and the seventh resistor are connected to the signal output port.

[0015] Preferably, the fifth capacitor is a feedforward capacitor, which is used to convert the DC power supply signal into DC power supply signals with different voltages.

[0016] In a second aspect, a method for testing a UBC connector based on a single board is provided, which is implemented based on any one of the single-board-based UBC connector test systems, and includes the following steps:

[0017] S1: Connect one end of the slot expansion module cable riser to the UBC connector on the single board;

[0018] S2: Convert the other end of the slot expansion module cable riser into a PCIE slot;

[0019] S3: Insert a PCIE standard card into the PCIE slot to connect to the UBC connector converted by the slot expansion module cable riser;

[0020] S4: Perform a function test on the PCIE standard card, and debug or replace the UBC connector on the single board according to the test results.

[0021] Preferably, after the PCIE standard card is inserted into the PCIE slot and connected to the UBC connector converted by the slot expansion module cable riser in step S3, the slot expansion module cable riser converts the signal of the UBC connector into a signal recognizable by the PCIE slot through a signal conversion module.

[0022] The beneficial effects of the present invention include:

[0023] The UBC connector test system and method based on a single board provided by the present invention include a single board, a slot expansion module cable riser, a PCIE slot, and a PCIE standard card; a UBC connector is provided on the single board; one end of the slot expansion module cable riser is connected to the UBC connector on the single board, and the other end is converted into a PCIE slot; the PCIE standard card is inserted into the PCIE slot and connected to the UBC connector converted by the slot expansion module cable riser; the slot expansion module cable riser is used to convert the UBC connector on the single board into a PCIE slot, realizing the connection and test between the single board and the PCIE standard card. By adopting the method of converting the UBC connector into a PCIE slot through the cable riser, the test steps are simplified, the cumbersome operations in the test process are reduced, the test process is faster, the test efficiency is improved, and the costs of test equipment and maintenance are reduced.

[0024] A slot expansion circuit is set through the slot expansion module cable riser. The slot expansion circuit includes a first chip, a second chip, a third chip, a first capacitor, a second capacitor, a third capacitor, and a fourth capacitor, realizing the expansion of the slot. By converting the UBC connector into a PCIE slot, the test steps are simplified and the cumbersome operations in the test process are reduced.

[0025] By setting a signal conversion module in the slot expansion module cable riser to convert the signals of the UBC connector into signals that can be recognized by the PCIE slot, coverage testing can be realized, and various functions and performance parameters of the UBC connector can be comprehensively detected to ensure that potential problems are detected without omission.

[0026] The conversion between the UBC connector and the PCIE slot is realized through the cable riser, improving the compatibility of the test system with different UBC connectors, enabling the test system of the present invention to be applicable to a wider range of products, and reducing the frequency and cost of replacing test equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic structural diagram of the slot expansion module cable riser of the present invention.

[0028] Figure 2 It is a schematic structural diagram of the slot expansion circuit of the present invention.

[0029] Figure 3 It is a schematic circuit diagram of the signal conversion module of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] The following is combined with the attached Figures 1 to 3The present invention is further described in detail:

[0031] Example 1

[0032] A single-board-based UBC connector test system includes a single board, a slot expansion module cable riser, a PCIE slot and a PCIE standard card; the single board is provided with a UBC connector; one end of the slot expansion module cable riser is connected to the UBC connector on the single board, and the other end is converted to a PCIE slot; the PCIE standard card is plugged into the PCIE slot and connected to the UBC connector converted by the slot expansion module cable riser. The slot expansion module cable riser is used to convert the UBC connector on the single board into a PCIE slot, so as to realize the connection and test between the single board and the PCIE standard card.

[0033] In this embodiment, one end of the cable riser of the slot expansion module is connected to the UBC connector on the single board; the other end of the cable riser of the slot expansion module is converted into a PCIE slot; the PCIE standard card is inserted into the PCIE slot and connected to the UBC connector converted by the cable riser; the PCIE standard card is functionally tested to verify the performance and reliability of the UBC connector. The test steps are simplified and the cumbersome operations in the test process are reduced. This makes the test process faster and significantly improves the test efficiency, which is particularly suitable for large-scale production scenarios. By covering the test method, the various functions and performance parameters of the UBC connector can be fully checked to ensure that potential problems are detected without omission. This greatly improves the quality and reliability of the product and reduces the risk of product failure during use. Compared with traditional test equipment, the present invention uses a PCIE slot and a standard card with strong versatility, which not only reduces the cost of the test equipment, but also reduces the maintenance cost. At the same time, by simplifying the test process, the labor cost is also reduced, thereby achieving overall cost optimization. The conversion between the UBC connector and the PCIE slot is achieved through the slot expansion module cable riser, which improves the compatibility of the test system with different UBC connectors, makes the test system applicable to a wider range of products, and reduces the frequency and cost of replacing test equipment.

[0034] See also Figure 1 The structure of the slot expansion module cable riser shown in the figure, wherein ①②⑧ are cables, with 2 male UBC connectors, the male UBC connector and the female UBC connector are plugged together, ③ is the power cable, the UBC connector is plugged together with ⑥⑦ of P4, ④ is the single board of the PCIE slot, the PCIE slot is plugged with a PCIE standard card, supporting X16, and ⑤ is the side of the UBC connector (male) structure.

[0035] Example 2

[0036] Based on Example 1, refer to Figure 2 As shown, the slot expansion module cable riser includes a slot expansion circuit, and the slot expansion circuit includes a first chip, a second chip, a third chip, a first capacitor, a second capacitor, a third capacitor, and a fourth capacitor. The RXD port of the first chip is connected to the R1OUT port of the second chip, the TXD port of the first chip is connected to the T1IN port of the second chip, the R1IN port of the second chip is connected to the first port of the third chip, the T1OUT port of the second chip is connected to the second port of the third chip, and the third port of the third chip is grounded.

[0037] The T2IN port of the second chip is connected to the 3.3V voltage input terminal, the GND port of the second chip is grounded, the VCC port of the second chip is connected to the 3.3V voltage output terminal, the V- port of the second chip is grounded after being connected to the third capacitor, the V+ port of the second chip is grounded after being connected to the fourth capacitor, the C1- port of the second chip is connected to the negative electrode of the first capacitor, the positive electrode of the first capacitor is connected to the C1+ port of the second chip, the C2- port of the second chip is connected to the negative electrode of the second capacitor, and the positive electrode of the second capacitor is connected to the C2+ port of the second chip.

[0038] Example 3

[0039] Based on Example 1 or Example 2, refer to Figure 3 As shown, the slot expansion module cable riser is further provided with a signal conversion module, and the signal conversion module is used to convert the signal of the UBC connector into a signal that can be recognized by the PCIE slot. The signal conversion module includes a signal input port, a signal conversion circuit, and a signal output port. The signal input port is connected to the signal conversion circuit, and the signal conversion module is connected to the signal output port. The signal conversion circuit includes a voltage input terminal, a first operational amplifier, a second operational amplifier, a fifth capacitor, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, and an eighth resistor.

[0040] The voltage input terminal is connected to the non-inverting input terminal of the first operational amplifier. The inverting input terminal of the first operational amplifier is connected to the eighth resistor and then grounded. The output terminal of the first operational amplifier is connected to the fifth capacitor and the second resistor respectively. The other end of the second resistor is connected to the non-inverting input terminal of the second operational amplifier and the third resistor respectively. The second operational amplifier is connected to the fourth resistor and the fifth resistor respectively. The inverting input terminal of the second operational amplifier is connected to the sixth resistor and the seventh resistor respectively. One end of the first resistor is connected to the eighth resistor, and the other end is connected to the second operational amplifier and the seventh resistor respectively. The first resistor, the third resistor and the seventh resistor are connected to the signal output port.

[0041] In this embodiment, the fifth capacitor is a feedforward capacitor, which is used to convert the DC power supply signal into DC power supply signals with different voltages.

[0042] A method for testing a UBC connector based on a single board is implemented based on the single-board-based UBC connector testing system described in any one of the above. The method includes the following steps:

[0043] S1: Connect one end of the cable riser of the slot expansion module to the UBC connector on the single board;

[0044] S2: Convert the other end of the cable riser of the slot expansion module into a PCIE slot;

[0045] S3: Insert a PCIE standard card into the PCIE slot to connect to the UBC connector converted by the cable riser of the slot expansion module;

[0046] S4: Perform a function test on the PCIE standard card, and debug or replace the UBC connector on the single board according to the test results.

[0047] In the above-mentioned single-board-based UBC connector test method, after the PCIE standard card is inserted into the PCIE slot and connected to the UBC connector converted by the slot expansion module cable riser in step S3, the slot expansion module cable riser converts the signal of the UBC connector into a signal recognized by the PCIE slot through the signal conversion module. By introducing the cable riser device, the UBC connector on the single board is converted into a PCIE slot, thus realizing the connection and test with the PCIE standard card. This method simplifies the test steps, reduces manual operations, and improves the test efficiency. At the same time, through comprehensive testing, it is possible to comprehensively check various functions and performance parameters of the UBC connector, ensuring the quality and reliability of the product. By using PCIE slots and standard cards with strong versatility, the cost of test equipment is reduced, and the compatibility with different UBC connectors is improved. By optimizing the test process and equipment configuration, the present invention further reduces the production cost and improves the accuracy and reliability of the test.

[0048] In summary, the single-board-based UBC connector test system and method provided by the present invention include a single board, a slot expansion module cable riser, a PCIE slot, and a PCIE standard card; a UBC connector is provided on the single board; one end of the slot expansion module cable riser is connected to the UBC connector on the single board, and the other end is converted into a PCIE slot; the PCIE standard card is inserted into the PCIE slot and connected to the UBC connector converted by the slot expansion module cable riser; the slot expansion module cable riser is used to convert the UBC connector on the single board into a PCIE slot, realizing the connection and test between the single board and the PCIE standard card. By using the method of converting the UBC connector into a PCIE slot with a cable riser, the test steps are simplified, the cumbersome operations in the test process are reduced, the test process is more rapid, the test efficiency is improved, and the cost of test equipment and maintenance cost are reduced.

[0049] The slot expansion circuit is set through the cable riser of the slot expansion module. The slot expansion circuit includes a first chip, a second chip, a third chip, a first capacitor, a second capacitor, a third capacitor, and a fourth capacitor, realizing the expansion of the slot. By converting the UBC connector into a PCIE slot, the test steps are simplified and the cumbersome operations during the test are reduced. By setting a signal conversion module in the cable riser of the slot expansion module, the signal of the UBC connector is converted into a signal that can be recognized by the PCIE slot, enabling coverage testing and comprehensively detecting various functions and performance parameters of the UBC connector to ensure that potential problems are detected without omission. By using the cable riser to achieve the conversion between the UBC connector and the PCIE slot, the compatibility of the test system with different UBC connectors is improved, enabling the test system of the present invention to be applicable to a wider range of products and reducing the frequency and cost of replacing test equipment.

Claims

1. A single-board based UBC connector testing system, characterized in that: It comprises a single board, a slot expansion module cable riser, a PCIE slot and a PCIE standard card; the single board is provided with a UBC connector; one end of the slot expansion module cable riser is connected to the UBC connector on the single board, and the other end is converted into a PCIE slot; the PCIE standard card is inserted into the PCIE slot and connected to the UBC connector converted by the slot expansion module cable riser; The slot expansion module cable riser is used to convert the UBC connector on the single board into a PCIE slot, thereby realizing the connection and test between the single board and the PCIE standard card.

2. A single-board based UBC connector testing system according to claim 1, characterized in that: The slot expansion module cable riser includes a slot expansion circuit, and the slot expansion circuit includes a first chip, a second chip, a third chip, a first capacitor, a second capacitor, a third capacitor and a fourth capacitor; The RXD port of the first chip is connected to the R1OUT port of the second chip, the TXD port of the first chip is connected to the T1IN port of the second chip, the R1IN port of the second chip is connected to the first port of the third chip, the T1OUT port of the second chip is connected to the second port of the third chip, and the third port of the third chip is grounded; The T2IN port of the second chip is connected to the 3.3V voltage input terminal, the GND port of the second chip is grounded, the VCC port of the second chip is connected to the 3.3V voltage output terminal, the V- port of the second chip is connected to the third capacitor and then grounded, the V+ port of the second chip is connected to the fourth capacitor and then grounded, the C1- port of the second chip is connected to the negative electrode of the first capacitor, the positive electrode of the first capacitor is connected to the C1+ port of the second chip, the C2- port of the second chip is connected to the negative electrode of the second capacitor, and the positive electrode of the second capacitor is connected to the C2+ port of the second chip.

3. A single-board based UBC connector testing system according to claim 2, characterized in that: The slot expansion module cable riser is also provided with a signal conversion module, and the signal conversion module is used to convert the signal of the UBC connector into a signal that can be recognized by the PCIE slot.

4. A single-board based UBC connector testing system according to claim 3, characterized in that: The signal conversion module comprises a signal input port, a signal conversion circuit and a signal output port. The signal input port is connected to the signal conversion circuit, and the signal conversion module is connected to the signal output port.

5. The single-board based UBC connector testing system according to claim 1, characterized in that: The signal conversion circuit includes a voltage input terminal, a first operational amplifier, a second operational amplifier, a fifth capacitor, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor and an eighth resistor; The voltage input terminal is connected to the non-inverting input terminal of the first operational amplifier, the inverting input terminal of the first operational amplifier is connected to the eighth resistor and then grounded, the output terminal of the first operational amplifier is respectively connected to the fifth capacitor and the second resistor, the other end of the second resistor is respectively connected to the non-inverting input terminal of the second operational amplifier and the third resistor, the second operational amplifier is respectively connected to the fourth resistor and the fifth resistor, the inverting input terminal of the second operational amplifier is respectively connected to the sixth resistor and the seventh resistor, one end of the first resistor is connected to the eighth resistor, and the other end is respectively connected to the second operational amplifier and the seventh resistor. The first resistor, the third resistor and the seventh resistor are connected to the signal output port.

6. A single-board based UBC connector testing system according to claim 5, characterized in that: The fifth capacitor is a feed-forward capacitor, which is used to convert a DC power signal into a DC power signal of a different voltage.

7. A single-board based UBC connector testing method, implemented based on a single-board based UBC connector testing system according to any one of claims 1 to 6, characterized in that: The following steps are involved: S1: Connect one end of the cable riser of the slot expansion module to the UBC connector on the board; S2: converting the other end of the slot expansion module cable riser into a PCIE slot; S3: inserting the PCIE standard card into the PCIE slot and connecting it with the UBC connector converted by the cable riser of the slot expansion module; S4: Perform functional test on the PCIE standard card and debug or replace the UBC connector on the board according to the test results.

8. A single-board based UBC connector testing method according to claim 7, characterized in that: In step S3, after the PCIE standard card is inserted into the PCIE slot and connected to the UBC connector converted by the slot expansion module cable riser, the slot expansion module cable riser converts the signal of the UBC connector into a signal recognized by the PCIE slot through a signal conversion module.

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