CN104459426A - Cable detection system - Google Patents
Cable detection system Download PDFInfo
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- CN104459426A CN104459426A CN201310428287.3A CN201310428287A CN104459426A CN 104459426 A CN104459426 A CN 104459426A CN 201310428287 A CN201310428287 A CN 201310428287A CN 104459426 A CN104459426 A CN 104459426A
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- cable
- current pin
- interface
- detection system
- position relationship
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Abstract
A cable detection system comprises a circuit board, a programmable logic device arranged on the circuit board, a connector group arranged on the circuit board, and a display device. The connector group comprises a first connector and a second connector used for being connected with the two ends of a cable. The programmable logic device comprises a detection module and a storage module. The storage module stores the number of pins and the pin position relationship of different cables and model data corresponding to the number of pins and the pin position relationship of different cables. The detection module is used for detecting the current number of pins and the current pin position relationship of the cables, finding out the model data corresponding to the current number of pins and the current pin position relationship according to the current number of pins and the current pin position relationship, and displaying the model data on the display device. The cable detection system has a simple structure, and the cost of model data detection is saved.
Description
Technical field
The present invention relates to a kind of detection system, particularly a kind of cable detection system.
Background technology
Along with the development of electronic information technology and signal integrity theory, Cable(cable) progress of technology, the transmission speed of Cable is more and more faster, and loss is also more and more lower, its application in electronic product also more and more extensive.Therefore special Cable checkout equipment can improve detection and the production efficiency of Cable.But current Cable detects and generally uses expensive and baroque cable tester, and production cost is high.
Summary of the invention
In view of above content, be necessary to provide a kind of structure simply to save the cable detection system of testing cost.
A kind of cable detection system, comprise circuit board, be installed on the programmable logic device (PLD) on described circuit board, be installed on the connector group on described circuit board and display device, described connector group comprises the first connector for the two ends of connection cable and the second connector, described programmable logic device (PLD) comprises detection module and stores module, described storage module stores the model data of corresponding different pin number and different pin positions relation, described detection module is for detecting current pin number and the current pin position relationship of the cable between described two connectors, and find out the model data of corresponding described current pin number and described current pin position relationship from storage module according to described current pin number and described current pin position relationship and be shown in described display device.
Further improvement is: described detection module comprises detecting unit, comparing unit and control module, described detecting unit is for detecting current pin number and the current pin position relationship of the cable between described two connectors, described comparing unit is used for finding out the model data of corresponding described current pin number and described current pin position relationship according to described current pin number and described current pin position relationship from described storage module, and described model data is sent to described control module, described control module is for controlling described model data to be shown in display device.
Further improvement is: described first connector connects power supply by the first resistance, described second connector is by the second resistance eutral grounding, described detecting unit is also for detecting the first magnitude of voltage flowing through described first resistance and the second magnitude of voltage flowing through described second resistance, and described control module is for being calculated the resistance value of described cable by described first magnitude of voltage and described second magnitude of voltage and described resistance value is shown in described display device.
Further improvement is: described detecting unit is also for detecting the third voltage value at described cable two ends, described control module is used for judging that when described third voltage value is non-vanishing described cable is on-state, and for judging that when described third voltage value is zero described cable is off state.
Further improvement is: described circuit board is provided with the first interface connecting described first connector and the second interface connecting described display device, described first interface and described second interface connect described programmable logic device (PLD) respectively, described first magnitude of voltage and described second magnitude of voltage are sent to described detecting unit by described first interface, and described resistance value is sent to described display device by described second interface.
Further improvement is: first interface is analog-digital converter port.
Further improvement is: described circuit board is provided with the first interface connecting described first connector, described first interface connects described programmable logic device (PLD), and described current pin number and described current pin position relationship are sent to described detection module by described first interface.
Further improvement is: described first interface is universal input and output port.
Further improvement is: described programmable logic device (PLD) is CPLD.
Further improvement is: described programmable logic device (PLD) is field programmable gate array.
In above-mentioned cable detection system, described detection module detects described current pin number and described current pin position relationship, and find out the model data of corresponding described current pin number and described current pin position relationship according to described current pin number and described current pin position relationship from described storage module, thus described model data is shown on described display device.The structure of described cable detection system is simple, thus saves the cost of the model data detecting cable.
Accompanying drawing explanation
Fig. 1 is the signal wiring block diagram of a better embodiment of cable detection system of the present invention.
Fig. 2 is the circuit connection diagram of a better embodiment of cable detection system of the present invention.
Fig. 3 is the test philosophy figure of a better embodiment of cable detection system of the present invention.
Main element symbol description
| Circuit board | 10 |
| Power supply | 11 |
| First interface | 13 |
| Second interface | 15 |
| 3rd interface | 17 |
| Programmable logic device (PLD) | 20 |
| Detect module | 21 |
| Detecting unit | 211 |
| Comparing unit | 213 |
| Control module | 215 |
| Store module | 23 |
| Connector group | 30 |
| First connector | 31 |
| Second connector | 33 |
| Display device | 40 |
| Cable | 50 |
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
Refer to Fig. 1, in a better embodiment of the present invention, a kind of cable detection system comprises a programmable logic device (PLD) 20, be installed on circuit board 10 for the circuit board 10, being installed on an operator's console (not shown) and is installed on the display device 40 of connector group on circuit board 10 30 and for being connected with programmable logic device (PLD) 20.In one embodiment, programmable logic device (PLD) 20 is a CPLD (Complex Programmable Logic Device, CPLD) or one field programmable gate array (Field-Programmable Gate Array, FPGA) chip.
Circuit board 10 is provided with power supply 11, first interface 13,1 second interface 15 and one the 3rd interface 17.
Programmable logic device (PLD) 20 comprises a detection module 21 and and stores module 23.Detect module 21 and comprise detecting unit 211, comparing unit 213 and a control module 215.Detecting unit 211 is for detecting the different pin number of cable 50 and different pin positions relation.Store module 23 and store the pin number of corresponding different cable 50 and the model data of pin positions relation.Data for finding out the model data of corresponding current pin number and current pin position relationship according to current pin number and current pin position relationship from storage module 23, and are sent to control module 215 by comparing unit 213.Control module 215 is shown in display device 40 for controlling model data to pass.
Connector group 30 comprises one first connector 31 and one second connector 33.For being connected the two ends of a cable 50 between first connector 31 with the second connector 33.
Refer to Fig. 1 and Fig. 2, first interface 13 and the second interface 15 all connect the first connector 31, first interface 13 connects programmable logic device (PLD) 20, second interface 15 connects the second connector 33, second interface 15 also connects programmable logic device (PLD) 20,3rd interface 17 connects display device 40 and programmable logic device (PLD) 20, first connector 31 connects power supply 11, second connector 33 by a resistance R2 ground connection by a resistance R1.In one embodiment, first interface 13 is a general input/output port (General Purpose Input Output, GPIO), the second interface 15 is an analog-digital converter (analog-digital converter, ADC) port, the 3rd interface 17 is a display screen port.
During detection, be connected at the two ends of cable 50 to be measured between first connector 31 and the second connector 33, power on to circuit board 10 and programmable logic device (PLD) 20, the second interface 15 is by the first magnitude of voltage U at the two ends of resistance R1
1, cable 50 the second magnitude of voltage U at two ends
2, resistance R2 the third voltage value U at two ends
3be sent to detecting unit 211 to detect, the current pin number of cable 50 and current pin position relationship are sent to detecting unit 211 and detect by first interface 13, and detecting unit 211 is by the first magnitude of voltage U
1, the second magnitude of voltage U
2, third voltage value U
3be sent to control module 215 and current pin number and current pin position relationship are sent to comparing unit 213, comparing unit 213 is for finding out the model data of corresponding current pin number and current pin position relationship according to current pin number and current pin position relationship from storage module 23, and model data is sent to control module 215, model data is shown on display device 40 by described 3rd interface 17 by control module 215, and control module 215 is at the second magnitude of voltage U
2judge time non-vanishing that cable 50 is an on-state and at the first magnitude of voltage U
2judge when being zero that cable 50 is an off state, control module 215 is by the first magnitude of voltage U
1, the second magnitude of voltage U
2and third voltage value U
3the resistance value R calculating cable 50, and by the 3rd interface 17, on off operating mode and resistance value R to be shown on display device 40.
Refer to Fig. 3, the test philosophy of cable detection system is:
S1: programmable logic device (PLD) 20 powers on and initialization;
S3: the current pin number of cable 50 and current pin position relationship are sent to detecting unit 211 and detect by first interface 13;
S5: current pin number and current pin position relationship are sent to comparing unit 213 by detecting unit 211;
S7: comparing unit 213 finds out the model data of corresponding current pin number and current pin position relationship according to current pin number and current pin position relationship from storage module 23, and model data is sent to control module 215;
S9: model data is shown on display device 40 by described 3rd interface 17 by control module 215.
In another embodiment, programmable logic device (PLD) 20 powers on after also initialization, and the second interface 15 is by the first magnitude of voltage U at the two ends of resistance R1
1, cable 50 the second magnitude of voltage U at two ends
2, resistance R2 the third voltage value U at two ends
3be sent to detecting unit 211 to detect, detecting unit 211 is by the first magnitude of voltage U
1, the second magnitude of voltage U
2, third voltage value U
3be sent to control module 215, control module 215 is at the second magnitude of voltage U
2judge time non-vanishing that cable 50 is an on-state and at the first magnitude of voltage U
2judge when being zero that cable 50 is an off state, control module 215 is by the first magnitude of voltage U
1, the second magnitude of voltage U
2and third voltage value U
3the resistance value R calculating cable 50, and by the 3rd interface 17, on off operating mode and resistance value R to be shown on display device 40.
In above-mentioned cable detection system, detecting unit 211 detects and transmits the first magnitude of voltage U
1, the second magnitude of voltage U
2and third voltage value U
3to control module 215 and detect and transmit the current pin number of cable 50 and current pin position relationship to comparing unit 213, model data is shown in display device 40 by described control module 215 according to current pin number and current pin position relationship by comparing unit 213 after storage module 23 finds out the model data of corresponding current pin number and current pin position relationship, and control module 215 is at the second magnitude of voltage U
2judge time non-vanishing that cable 50 is as on-state and at the first magnitude of voltage U
2judge when being zero that cable 50 is as off state, control module 215 calculates the resistance value R of cable 50, and on off operating mode and resistance value R is shown on display device 40 by the 3rd interface 17.The structure of described testing lines system is simple thus save testing cost.
To one skilled in the art, can combine according to scheme of the invention of the present invention and inventive concept the actual needs produced and make other change accordingly or adjustment, and these change and adjustment all should belong to scope disclosed in this invention.
Claims (10)
1. a cable detection system, comprise circuit board and be installed on the programmable logic device (PLD) on described circuit board, it is characterized in that: described cable detection system also comprises and is installed on connector group on described circuit board and display device, described connector group comprises the first connector for the two ends of connection cable and the second connector, described programmable logic device (PLD) comprises detection module and stores module, described storage module stores the pin number of corresponding different cable and the model data of pin positions relation, described detection module is for detecting current pin number and the current pin position relationship of the cable between described two connectors, and find out the model data of corresponding described current pin number and described current pin position relationship from storage module according to described current pin number and described current pin position relationship and be shown in described display device.
2. cable detection system as claimed in claim 1, it is characterized in that: described detection module comprises detecting unit, comparing unit and control module, described detecting unit is for detecting current pin number and the current pin position relationship of the cable between described two connectors, described comparing unit is used for finding out the model data of corresponding described current pin number and described current pin position relationship according to described current pin number and described current pin position relationship from described storage module, and described model data is sent to described control module, described control module is for controlling described model data to be shown in display device.
3. cable detection system as claimed in claim 2, it is characterized in that: described first connector connects power supply by the first resistance, described second connector is by the second resistance eutral grounding, described detecting unit is also for detecting the first magnitude of voltage flowing through described first resistance and the second magnitude of voltage flowing through described second resistance, and described control module is for being calculated the resistance value of described cable by described first magnitude of voltage and described second magnitude of voltage and described resistance value is shown in described display device.
4. cable detection system as claimed in claim 3, it is characterized in that: described detecting unit is also for detecting the third voltage value at described cable two ends, described control module is used for judging that when described third voltage value is non-vanishing described cable is on-state, and for judging that when described third voltage value is zero described cable is off state.
5. cable detection system as claimed in claim 3, it is characterized in that: described circuit board is provided with the first interface connecting described first connector and the second interface connecting described display device, described first interface and described second interface connect described programmable logic device (PLD) respectively, described first magnitude of voltage and described second magnitude of voltage are sent to described detecting unit by described first interface, and described resistance value is sent to described display device by described second interface.
6. cable detection system as claimed in claim 5, is characterized in that: first interface is analog-digital converter port.
7. cable detection system as claimed in claim 1, it is characterized in that: described circuit board is provided with the first interface connecting described first connector, described first interface connects described programmable logic device (PLD), and described current pin number and described current pin position relationship are sent to described detection module by described first interface.
8. cable detection system as claimed in claim 7, is characterized in that: described first interface is universal input and output port.
9. cable detection system as claimed in claim 1, is characterized in that: described programmable logic device (PLD) is CPLD.
10. cable detection system as claimed in claim 1, is characterized in that: described programmable logic device (PLD) is field programmable gate array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310428287.3A CN104459426A (en) | 2013-09-18 | 2013-09-18 | Cable detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310428287.3A CN104459426A (en) | 2013-09-18 | 2013-09-18 | Cable detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104459426A true CN104459426A (en) | 2015-03-25 |
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ID=52905795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310428287.3A Pending CN104459426A (en) | 2013-09-18 | 2013-09-18 | Cable detection system |
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| CN (1) | CN104459426A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106154089A (en) * | 2016-08-19 | 2016-11-23 | 成都智朴思互联科技有限公司 | A kind of portable charged quality intelligent test system and method |
| CN107679342A (en) * | 2017-10-30 | 2018-02-09 | 郑州云海信息技术有限公司 | The method and system that a kind of inspection structure part is put |
| CN109411958A (en) * | 2018-06-05 | 2019-03-01 | 温州意华接插件股份有限公司 | High speed interconnecting assembly |
| CN110019323A (en) * | 2017-11-23 | 2019-07-16 | 株洲中车时代电气股份有限公司 | A kind of check method of electrical cabinet component cable |
-
2013
- 2013-09-18 CN CN201310428287.3A patent/CN104459426A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106154089A (en) * | 2016-08-19 | 2016-11-23 | 成都智朴思互联科技有限公司 | A kind of portable charged quality intelligent test system and method |
| CN107679342A (en) * | 2017-10-30 | 2018-02-09 | 郑州云海信息技术有限公司 | The method and system that a kind of inspection structure part is put |
| CN110019323A (en) * | 2017-11-23 | 2019-07-16 | 株洲中车时代电气股份有限公司 | A kind of check method of electrical cabinet component cable |
| CN109411958A (en) * | 2018-06-05 | 2019-03-01 | 温州意华接插件股份有限公司 | High speed interconnecting assembly |
| CN109411958B (en) * | 2018-06-05 | 2023-11-14 | 温州意华接插件股份有限公司 | High speed interconnect assembly |
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Application publication date: 20150325 |
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| WD01 | Invention patent application deemed withdrawn after publication |