CN211505837U - On-off detection device supporting various cables - Google Patents
On-off detection device supporting various cables Download PDFInfo
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- CN211505837U CN211505837U CN201922166854.8U CN201922166854U CN211505837U CN 211505837 U CN211505837 U CN 211505837U CN 201922166854 U CN201922166854 U CN 201922166854U CN 211505837 U CN211505837 U CN 211505837U
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Abstract
The utility model discloses a support break-make detection device of polymorphic type cable, include: the cable testing device comprises a cable input module, an LED indicating module and a power supply module, wherein the input end of the cable input module is connected with a tested cable, the output end of the cable input module is connected with the input end of the LED indicating module, and the power supply module is connected with the LED indicating module; the cable input module comprises slinline cable interfaces CON1 and CON2, MiniSAS cable interfaces CON3 and CON4, and oculink cable interfaces CON5 and CON 6; the LED indicating module comprises a first LED indicating lamp group connected with a slim cable interface, a second LED indicating lamp group connected with a miniSAS cable interface, and a third LED indicating lamp group connected with an oculink cable interface. The method has the characteristics of simple operation and quick detection; meanwhile, the channel detection of 3 high-speed cables can be compatible, and the universality of the cable detection board is improved; in addition, the design of the board card only uses simple electronic components and does not adopt complex elements such as a microcontroller and the like, so that the cost of the board card is greatly reduced.
Description
Technical Field
The utility model belongs to the technical field of the integrated circuit board test technique and specifically relates to a support break-make detection device of polymorphic type cable.
Background
With the advent of the big data era, various network data are explosively increased, environments of server application are also diversified, and meanwhile, more and more configurations need to be supported by the server, such as different IO and storage modules, are expanded. In order to achieve flexible configuration, different cables are required inside the server to interconnect the mainboard and each module, so that a complete system is formed. In the early stage of server design, measurement is required to be performed on cable samples to confirm whether the cables are manufactured according to the design requirements, wherein the high-speed cables account for a great proportion. The high-speed cable used in the server design is generally of a slim line/miniSAS/oculink type and the like, the number of the used cables and pins are large, for example, a slim line X8 cable interface has 74 pins, if a multimeter is used for channel detection, the process is complicated, the workload is large, time is wasted, and confusion is easy to miss, so that the on-off detection board card capable of supporting various high-speed cables such as the slim line/miniSAS/oculink and the like needs to be designed very necessarily.
The existing scheme mainly adopts a universal meter to carry out manual detection, and whether the cable is conducted or not is detected through measuring the impedance of pin pins at two ends of the cable. The existing scheme can meet the requirement for detecting the on-off of the high-speed cable, but for the high-speed cables such as slim line/miniSAS/oculink and the like, the number of used cables and pins are more, the pin interval is smaller, the problems of large workload and low operability exist during testing of a universal meter, and the testing efficiency is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a support break-make detection device of polymorphic type cable, when satisfying the cable break-make and detect, can improve detection efficiency greatly.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an on-off detection device supporting a multi-type cable, comprising: the cable testing device comprises a cable input module, an LED indicating module and a power supply module, wherein the input end of the cable input module is connected with a tested cable, the output end of the cable input module is connected with the input end of the LED indicating module, and the power supply module is connected with the LED indicating module; the cable input module comprises slinline cable interfaces CON1 and CON2, MiniSAS cable interfaces CON3 and CON4, and oculink cable interfaces CON5 and CON 6; the LED indicating module comprises a first LED indicating lamp group connected with a slim cable interface, a second LED indicating lamp group connected with a miniSAS cable interface, and a third LED indicating lamp group connected with an oculink cable interface.
Further, the slinline cable interface CON1 includes pins connected to the slinline cable pins to be tested in a one-to-one correspondence; the slinline cable interface CON2 includes pins corresponding to the slinline cable interface CON1 in the same number, and each pin is grounded.
Further, the first LED indicator light set includes a current limiting resistor R1, a pull-up resistor R2, an on-off control MOS transistor Q1, and an on-off indicator light LED1, which are the same in number as the pins, respectively; one end of the current limiting resistor R1 and one end of the pull-up resistor R2 are respectively connected with the power module, the other end of the current limiting resistor R1 is connected with the anode of the on-off indicator light LED1, the cathode of the on-off indicator light LED1 is connected with the drain of the on-off control MOS tube, and the gate and the source of the on-off control MOS tube are connected and then connected with the corresponding pin of the slinline cable interface CON 1.
Further, the MiniSAS cable interface CON3 includes pins connected to the MiniSAS cable pins under test in a one-to-one correspondence; the MiniSAS cable interface CON4 includes pins corresponding to the MiniSAS cable interface CON3 in number and one to one, and each pin is grounded.
Further, the second LED indicator light set includes a current limiting resistor R1, a pull-up resistor R2, an on-off control MOS transistor Q1, and an on-off indicator light LED1, which are the same in number as the pins, respectively; one end of the current limiting resistor R1 and one end of the pull-up resistor R2 are respectively connected with the power module, the other end of the current limiting resistor R1 is connected with the anode of the on-off indicator light LED1, the cathode of the on-off indicator light LED1 is connected with the drain of the on-off control MOS tube, and the gate and the source of the on-off control MOS tube are connected and then connected with the corresponding pin of the MiniSAS cable interface CON 3.
Further, the oculink cable interface CON5 includes pins connected to the tested oculink cable pins in a one-to-one correspondence; the oculink cable interface CON6 includes the same number of pins as the oculink cable interface CON5, and the pins are corresponding to each other, and are grounded respectively.
Further, the LED indicator light group three includes a current limiting resistor R1, a pull-up resistor R2, an on-off control MOS transistor Q1, and an on-off indicator light LED1, which are the same in number as the pins, respectively; one end of the current limiting resistor R1 and one end of the pull-up resistor R2 are respectively connected with the power module, the other end of the current limiting resistor R1 is connected with the anode of the on-off indicator light LED1, the cathode of the on-off indicator light LED1 is connected with the drain of the on-off control MOS tube, and the gate and the source of the on-off control MOS tube are connected and then connected with the corresponding pin of the oculink cable interface CON 5.
The effects provided in the contents of the present invention are only the effects of the embodiments, not all the effects of the present invention, and one of the above technical solutions has the following advantages or advantageous effects:
compared with the prior art, the board card design capable of detecting the on-off of various high-speed signal cables such as slim line/miniSAS/oculink has the characteristics of simple operation and quick detection; meanwhile, the channel detection of 3 high-speed cables can be compatible, and the universality of the cable detection board is improved; in addition, the design of the board card only uses simple electronic components and does not adopt complex elements such as a microcontroller and the like, so that the cost of the board card is greatly reduced.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 3 is a schematic diagram of a power module configuration;
FIG. 4 is a schematic diagram of detection when a slim cable is normal;
fig. 5 is a schematic diagram of detection when a slim line cable is abnormal.
Detailed Description
In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted so as to not unnecessarily limit the invention.
As shown in fig. 1, an on-off detecting apparatus supporting a multi-type cable includes: the cable testing device comprises a cable input module, an LED indicating module and a power supply module, wherein the input end of the cable input module is connected with a tested cable, the output end of the cable input module is connected with the input end of the LED indicating module, and the power supply module is connected with the LED indicating module; the cable input module comprises slinline cable interfaces CON1 and CON2, MiniSAS cable interfaces CON3 and CON4, and oculink cable interfaces CON5 and CON 6; the LED indicating module comprises a first LED indicating lamp group connected with a slim cable interface, a second LED indicating lamp group connected with a miniSAS cable interface, and a third LED indicating lamp group connected with an oculink cable interface.
As shown in fig. 2, the slinline cable interface CON1 includes pins connected to the slinline cable pins under test in a one-to-one correspondence; the slinline cable interface CON2 includes pins corresponding to the slinline cable interface CON1 in the same number, and each pin is grounded.
The first LED indicating lamp group comprises a current limiting resistor R1, a pull-up resistor R2, an on-off control MOS tube Q1 and an on-off indicating lamp LED1, wherein the number of the current limiting resistor R1, the pull-up resistor R2 and the on-off control MOS tube Q1 are respectively the same as that of pins; one end of the current limiting resistor R1 and one end of the pull-up resistor R2 are respectively connected with the power module, the other end of the current limiting resistor R1 is connected with the anode of the on-off indicator light LED1, the cathode of the on-off indicator light LED1 is connected with the drain of the on-off control MOS tube, and the gate and the source of the on-off control MOS tube are connected and then connected with the corresponding pin of the slinline cable interface CON 1.
The MiniSAS cable interface CON3 includes pins connected to the MiniSAS cable pins to be tested in a one-to-one correspondence; the MiniSAS cable interface CON4 includes pins corresponding to the MiniSAS cable interface CON3 in number and one to one, and each pin is grounded.
The LED indicator lamp group II comprises a current limiting resistor R1, a pull-up resistor R2, an on-off control MOS tube Q1 and an on-off indicator lamp LED1, wherein the number of the current limiting resistor R1, the pull-up resistor R2 and the on-off control MOS tube Q1 are respectively the same as that of pins; one end of the current limiting resistor R1 and one end of the pull-up resistor R2 are respectively connected with the power module, the other end of the current limiting resistor R1 is connected with the anode of the on-off indicator light LED1, the cathode of the on-off indicator light LED1 is connected with the drain of the on-off control MOS tube, and the gate and the source of the on-off control MOS tube are connected and then connected with the corresponding pin of the MiniSAS cable interface CON 3.
The oculink cable interface CON5 includes pins connected to the tested oculink cable pins in a one-to-one correspondence; the oculink cable interface CON6 includes the same number of pins as the oculink cable interface CON5, and the pins are corresponding to each other, and are grounded respectively.
The LED indicating lamp group III comprises a current limiting resistor R1, a pull-up resistor R2, an on-off control MOS tube Q1 and an on-off indicating lamp LED1, wherein the number of the current limiting resistor R1, the pull-up resistor R2 and the on-off control MOS tube Q1 are respectively the same as that of pins; one end of the current limiting resistor R1 and one end of the pull-up resistor R2 are respectively connected with the power module, the other end of the current limiting resistor R1 is connected with the anode of the on-off indicator light LED1, the cathode of the on-off indicator light LED1 is connected with the drain of the on-off control MOS tube, and the gate and the source of the on-off control MOS tube are connected and then connected with the corresponding pin of the oculink cable interface CON 5.
In one embodiment, the resistor R1 is connected in series in the LED indicator light circuit to limit the LED current, and the resistance value is selected to be 150 ohm; the resistor R2 is a pull-up resistor of a MOSFET GATE electrode, and the resistance value is 1K; the MOSFET mainly plays a role in controlling the on-off of the LED circuit, and the selected type is N type; the LED indicating lamp carries out error indication when the cable is disconnected, and the color is red.
As shown in fig. 3, the power module mainly includes a lithium manganese button cell and a power switch. The model selection of battery is CR2032, and this battery output is 3V, and voltage can drive the LED pilot lamp, and this battery adopts the design of buckle formula, and it is comparatively convenient to change. The power switch is used for controlling the on-off of the output of the battery, and when the cable is detected, the switch is closed to provide a power supply for the detection circuit; the switch is switched off when the battery is idle, so that the power consumption of the battery can be saved, and the service life of the battery can be prolonged.
As shown in fig. 4 and 5, to further explain the working principle of the cable detection board, a slim cable is taken as an example for explanation.
1) After both ends of the slim cable are inserted into CON _1 and CON _2, respectively, if the slim cable is normal, the a1 pin of CON _1 in fig. 2 is interconnected through the slim cable and the B1 pin of CON _ 2. Since the pin B1 of CON _2 is grounded, the pin a1 of CON _1 is also pulled low to ground, and the G pole of MOSFET Q1 is also low, so that the MOSFET cannot be turned on, thereby the false indication LED is turned off to indicate that the cable path is normal.
2) After the two ends of the slim cable are respectively inserted into CON _1 and CON _2, if the pin a1 of the slim cable is disconnected, the pin a1 of CON _1 in fig. 3 cannot be interconnected with the pin B1 of CON _2 through the slim cable, the pin a1 of CON _1 is pulled up to a high level through the resistor R2, the pole G of the MOSFET Q1 is also high, so that the MOSFET is turned on, thereby erroneously indicating that the LED is turned on, and indicating that the cable is disconnected.
The slim line interface used in the board card in this embodiment is X8, and a slim line X4 interface may also be added to increase the versatility. Compared with the existing scheme, the scheme of the application has the characteristics of simple operation and quick detection; meanwhile, the channel detection of 3 high-speed cables can be compatible, and the universality of the cable detection board is improved; in addition, the design of the board card only uses simple electronic components and does not adopt complex elements such as a microcontroller and the like, so that the cost of the board card is greatly reduced.
Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.
Claims (7)
1. The utility model provides a support on-off detection device of polymorphic type cable, characterized by includes: the cable testing device comprises a cable input module, an LED indicating module and a power supply module, wherein the input end of the cable input module is connected with a tested cable, the output end of the cable input module is connected with the input end of the LED indicating module, and the power supply module is connected with the LED indicating module; the cable input module comprises slinline cable interfaces CON1 and CON2, MiniSAS cable interfaces CON3 and CON4, and oculink cable interfaces CON5 and CON 6; the LED indicating module comprises a first LED indicating lamp group connected with a slim cable interface, a second LED indicating lamp group connected with a miniSAS cable interface, and a third LED indicating lamp group connected with an oculink cable interface.
2. The apparatus according to claim 1, wherein the slinline cable interface CON1 comprises pins connected to the slinline cable pins under test in a one-to-one correspondence; the slinline cable interface CON2 includes pins corresponding to the slinline cable interface CON1 in the same number, and each pin is grounded.
3. The on-off detection device supporting multiple types of cables as claimed in claim 2, wherein the first LED indicating lamp group comprises a current limiting resistor R1, a pull-up resistor R2, an on-off control MOS tube Q1 and an on-off indicating lamp LED1, wherein the number of the current limiting resistor R1, the number of the pull-up resistor R2, the number of the on-off control MOS tube Q1 and the number of the on-off indicating lamp LED; one end of the current limiting resistor R1 and one end of the pull-up resistor R2 are respectively connected with the power module, the other end of the current limiting resistor R1 is connected with the anode of the on-off indicator light LED1, the cathode of the on-off indicator light LED1 is connected with the drain of the on-off control MOS tube, and the gate and the source of the on-off control MOS tube are connected and then connected with the corresponding pin of the slinline cable interface CON 1.
4. The on-off detection device supporting multiple types of cables according to claim 1, wherein the MiniSAS cable interface CON3 includes pins connected in one-to-one correspondence with the MiniSAS cable pins under test; the MiniSAS cable interface CON4 includes pins corresponding to the MiniSAS cable interface CON3 in number and one to one, and each pin is grounded.
5. The on-off detection device supporting multiple types of cables as claimed in claim 4, wherein the second LED indicating lamp group comprises a current limiting resistor R1, a pull-up resistor R2, an on-off control MOS tube Q1 and an on-off indicating lamp LED1, wherein the number of the current limiting resistor R1, the number of the pull-up resistor R2, the number of the on-off control MOS tube Q1 and the number of the on-off indicating lamp LED; one end of the current limiting resistor R1 and one end of the pull-up resistor R2 are respectively connected with the power module, the other end of the current limiting resistor R1 is connected with the anode of the on-off indicator light LED1, the cathode of the on-off indicator light LED1 is connected with the drain of the on-off control MOS tube, and the gate and the source of the on-off control MOS tube are connected and then connected with the corresponding pin of the MiniSAS cable interface CON 3.
6. The apparatus according to claim 1, wherein the oculink cable interface CON5 comprises pins connected to the oculink cable pins under test in a one-to-one correspondence; the oculink cable interface CON6 includes the same number of pins as the oculink cable interface CON5, and the pins are corresponding to each other, and are grounded respectively.
7. The on-off detection device supporting multiple types of cables as claimed in claim 6, wherein the LED indicating lamp group three comprises a current limiting resistor R1, a pull-up resistor R2, an on-off control MOS tube Q1 and an on-off indicating lamp LED1, wherein the number of the current limiting resistor R1, the pull-up resistor R2, the on-off control MOS tube Q1 and the number of the on-off indicating lamp LED1 are respectively the same; one end of the current limiting resistor R1 and one end of the pull-up resistor R2 are respectively connected with the power module, the other end of the current limiting resistor R1 is connected with the anode of the on-off indicator light LED1, the cathode of the on-off indicator light LED1 is connected with the drain of the on-off control MOS tube, and the gate and the source of the on-off control MOS tube are connected and then connected with the corresponding pin of the oculink cable interface CON 5.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922166854.8U CN211505837U (en) | 2019-12-06 | 2019-12-06 | On-off detection device supporting various cables |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922166854.8U CN211505837U (en) | 2019-12-06 | 2019-12-06 | On-off detection device supporting various cables |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112904121A (en) * | 2021-01-22 | 2021-06-04 | 苏州浪潮智能科技有限公司 | Testing jig for earphone jack cable |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112904121A (en) * | 2021-01-22 | 2021-06-04 | 苏州浪潮智能科技有限公司 | Testing jig for earphone jack cable |
| CN112904121B (en) * | 2021-01-22 | 2022-06-24 | 苏州浪潮智能科技有限公司 | Testing jig for earphone jack cable |
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