CN210867746U - Communication line detection device - Google Patents
Communication line detection device Download PDFInfo
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- CN210867746U CN210867746U CN202020417027.1U CN202020417027U CN210867746U CN 210867746 U CN210867746 U CN 210867746U CN 202020417027 U CN202020417027 U CN 202020417027U CN 210867746 U CN210867746 U CN 210867746U
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Abstract
The utility model discloses a communication line detection device, include: the communication interface comprises a first communication interface and a second communication interface, the first communication interface and the second communication interface are respectively provided with one or more pairs of communication line terminals, and each pair of communication line terminals of the second communication interface are in one-way conduction connection. The signal detection module comprises a clock pulse generator, a first processing module and a second processing module. The output end of the clock pulse generator is connected with the input end of the first processing module, the output end of the first processing module is respectively connected with the input end of the second processing module and the first communication interface, and the output end of the second processing module is connected with the first communication interface. The utility model discloses a detection device can detect whether multiple communication line connects correctly, has simple structure, with low costs, convenient operation, the wide advantage of range of application.
Description
Technical Field
The utility model relates to a communication line detects the field, and specifically speaking relates to a communication line detection device.
Background
In an industrial production field, a large number of communication lines are required to be arranged for data transmission and interconnection among various devices. Meanwhile, various devices relate to different types of communication lines, and mainly have communication modes such as industrial Ethernet, serial communication and the like. Therefore, in the process of arranging communication lines on an industrial production site, multiple testing tools are needed for detecting whether the corresponding lines are normally connected, and the work is heavy and complicated. Meanwhile, in later-stage production maintenance, communication fault removal also requires rapid detection of communication lines. The existing detection device has high cost, complex operation and low efficiency.
In view of this, the present invention is provided.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in overcoming the not enough of prior art, provides a communication line detection device.
In order to solve the technical problem, the utility model adopts the following technical scheme: provided is a communication line detection device including:
the communication interface comprises a first communication interface and a second communication interface, the first communication interface and the second communication interface are respectively provided with one or more pairs of communication line terminals for connecting two ends of a communication circuit, and each pair of communication line terminals of the second communication interface are in one-way conduction connection;
the signal indicating module is arranged between each pair of the communication line terminals and is used for indicating whether the communication line has faults or not;
the signal detection module is used for detecting whether the communication line has faults, and comprises a clock pulse generator, a first processing module and a second processing module:
the output end of the clock pulse generator is connected with the input end of the first processing module and used for outputting a clock level signal;
the output end of the first processing module is respectively connected with the input end of the second processing module and the first communication interface and is used for changing the length and the frequency of the output level of the clock pulse generator and generating a plurality of paths of sequential pulse level signals;
and the output end of the second processing module is connected with the first communication interface and is used for changing the state of the output level of the first processing module.
Communication line detection device, through setting up first communication interface and second communication interface, after connecting communication line between the communication interface, whether form the return circuit and patrol and examine in proper order between every to the communication line link to between first communication interface and the second communication interface through clock pulse generator, first processing module and second detection module cooperation, judge whether communication line connects correctly to show through signal indication module whether there is the trouble, make things convenient for the staff to investigate the circuit. The utility model discloses a detection device simple structure, convenient operation has reduced detection device's volume and cost, improves its performance and reliability. The utility model discloses a detection device can detect whether multiple communication line connects correctly, has convenient operation, the wide advantage of range of application.
Furthermore, each pair of communication line terminals comprises a terminal A and a terminal B, the output end of the first processing module is connected with the terminal A of each pair of the first communication interfaces, the output end of the second processing module is connected with the terminal B of the same pair of the terminals A, and each pair of communication line terminals of the second communication interfaces are connected in a one-way conduction mode from the terminal A to the terminal B.
Furthermore, a signal indication module is arranged between the output end of the first processing module and the terminal A of each pair of the first communication interfaces.
Furthermore, the clock pulse generator is a self-flashing light emitting diode, and the signal indication module is a light emitting diode.
Furthermore, the clock pulse generator also comprises a current-limiting resistor, and the clock pulse generator is connected with the current-limiting resistor in series.
Further, the communication interface comprises an industrial Ethernet interface and/or a serial communication interface.
Furthermore, the communication interface is provided with a shielding wire terminal, the output end of the first processing module is connected with the shielding wire terminal of the first communication interface, and the shielding wire terminal of the second communication interface is connected between any pair of communication wire terminals of the second communication interface.
The utility model discloses integrated multiple communication line's communication line detection module, still integrated the detection module of shielded wire, when communication line laid, need not change detection device, labour saving and time saving has practiced thrift manpower resources. The detection device has the advantages of simple structure, low cost, small volume and wide application range.
Furthermore, a signal indication module is arranged between the output end of the first processing module and the shielded wire terminal of the first communication interface.
Further, still include the function switching module, the function switching module includes:
the test switch is used for starting or stopping detection;
and the test function switch is used for switching the output end of the first processing module connected with the first communication interface wiring end A to be connected with the shielding wire wiring end of the first communication interface.
Furthermore, the communication line detection device comprises a main detection device and an auxiliary detection device, the first communication interface, the signal indication module and the signal detection module are arranged on the main detection device, and the second communication interface is arranged on the auxiliary detection device.
After the technical scheme is adopted, compared with the prior art, the utility model following beneficial effect has.
(1) Communication line detection device, through setting up first communication interface and second communication interface, after connecting communication line between the communication interface, whether form the return circuit and patrol and examine in proper order between every to the communication line link to between first communication interface and the second communication interface through clock pulse generator, first processing module and second detection module cooperation, judge whether communication line connects correctly to show through signal indication module whether there is the trouble, make things convenient for the staff to investigate the circuit. The utility model discloses a whether detection device can detect multiple communication line and connect correctly, simple structure, and convenient operation has reduced detection device's volume and cost, improves its performance and reliability.
(2) The utility model discloses integrated multiple communication line's communication line detection module, still integrated the detection module of shielded wire, when communication line laid, need not change detection device, labour saving and time saving has practiced thrift manpower resources. The detection device has the advantages of simple structure, low cost, small volume and wide application range.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
fig. 1 is a schematic view of the communication line detection device of the present invention;
fig. 2 is a schematic diagram of the signal detection module of the present invention;
fig. 3 is a schematic diagram of the communication line main and auxiliary detection device of the present invention.
In the figure: 1. a communication interface, 11, a first communication interface, 111, a first industrial ethernet communication interface, 112, a first serial communication interface, 12, a second communication interface, 121, a second industrial ethernet communication interface, 122, a second serial communication interface; 2. the device comprises a function switching module 21, a test switch 22 and a test function switching switch; 3. a signal indicating module 31, a first indicator light, 32, a second indicator light, 33, a third indicator light, 34, a fourth indicator light, 35, a fifth indicator light, 36 and a sixth indicator light; 4. a main detection device; 5. a secondary detection device; 6. a clamping structure.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 3, the utility model provides a communication line detection device, include:
the communication interface 1, the communication interface 1 includes a first communication interface 11 and a second communication interface 12, the first communication interface 11 and the second communication interface 12 are respectively provided with one or more pairs of communication line terminals for connecting two ends of a communication line, and each pair of communication line terminals of the second communication interface 12 are connected in a unidirectional conduction manner;
the signal indicating module 3 is arranged between each pair of communication line terminals and is used for indicating whether the communication line has faults or not;
the signal detection module is used for detecting whether the communication line has faults, and comprises a clock pulse generator, a first processing module and a second processing module:
the output end of the clock pulse generator is connected with the input end of the first processing module and used for outputting a clock level signal;
the output end of the first processing module is respectively connected with the input end of the second processing module and the first communication interface 11, and is used for changing the length and the frequency of the output level of the clock pulse generator and generating a plurality of paths of sequential pulse level signals;
the output end of the second processing module is connected with the first communication interface 11, and is used for changing the state of the output level of the first processing module.
Communication line detection device, through setting up first communication interface 11 and second communication interface 12, after connecting communication line between the communication interface, through clock pulse generator, first processing module and second detection module cooperation to every formation return circuit in proper order patrols and examines between first communication interface 11 and the second communication interface 12 to between the communication line link, judge whether communication line connects correctly to it is correct whether to connect through signal indication module 3 demonstration communication line, make things convenient for the staff to investigate the circuit. The utility model discloses a detection device simple structure, convenient operation has reduced detection device's volume and cost, improves its performance and reliability. The utility model discloses a detection device can detect whether multiple communication line connects correctly, has convenient operation, the wide advantage of range of application.
Communication line includes communication line and communication line joint, and the both ends of communication line are connected with communication line joint respectively, connect the communication line at communication line both ends and install respectively the utility model discloses an in first communication interface 11 and the second communication interface 12. The communication line is provided with one or more pairs of twisted-pair wire cores, and each pair of the communication line terminals are respectively connected with each pair of the connecting terminals of the communication line connectors, which are theoretically used for connecting the twisted-pair wire cores. Whether a loop is formed between each pair of the communication wire connecting ends is inspected in sequence, and whether the connection between the twisted pair wire core of the communication wire and the connectors at the two ends is correct is judged.
As shown in fig. 2, each pair of communication line terminals includes a terminal a and a terminal B, the first processing module output is connected to the terminal a of each pair of the first communication interface 11, the second processing module output is connected to the terminal B of the same pair of the terminal a, and the terminal a and the terminal B of each pair of the second communication interface 12 are connected in a unidirectional conductive manner. The terminal a of the first communication interface 11 and the terminal a of the second communication interface 12 should theoretically connect to two ends of one twisted pair core, and the terminal B of the first communication interface 11 and the terminal B of the second communication interface 12 should theoretically connect to two ends of the other twisted pair core.
And a signal indication module 3 is arranged between the output end of the first processing module and each pair of wiring terminals A of the first communication interface 11. The signal indication module 3 is a light emitting diode. Be equipped with emitting diode between every pair of wiring end A of first processing module output and first communication interface 11, after the circuit intercommunication between first communication interface 11 and second communication interface 12, emitting diode's input is connected with first processing module's output, emitting diode's output is connected with second processing module's output, because the level that second processing module output is opposite with the level state of first processing module output, when first processing module output high level, second processing module output low level, emitting diode's input is the high level this moment, the output is the low level, consequently, emitting diode lights.
The clock pulse generator is a self-flickering light emitting diode. And a current limiting resistor (not shown), wherein the clock pulse generator is connected with the current limiting resistor in series. Preferably, the signal detection device further includes a power supply (not shown in the figure), the clock pulse generator and the current-limiting resistor are connected in series with the power supply, and an output end of the power supply is connected to an input end of the first processing module.
The communication interface comprises an industrial Ethernet interface and/or a serial communication interface. Preferably, the detection device comprises an industrial ethernet interface and a serial communication interface, and the industrial ethernet interface and the serial communication interface can be used alternatively during testing.
The utility model discloses a detection device has still integrated industrial ethernet circuit detection and serial communication line and has detected, detection device simple structure, small, with low costs, range of application are extensive, very big having made things convenient for laying of communication line.
As shown in fig. 2, the communication interface is provided with a shielded wire terminal C, the output end of the first processing module is connected to the shielded wire terminal C of the first communication interface 11, and the shielded wire terminal C of the second communication interface 12 is connected between any pair of communication wire terminals of the second communication interface 12. And a signal indication module 3 is arranged between the output end of the first processing module and the shielded wire terminal C of the first communication interface 11. The serial communication interface is provided with a shielded wire terminal. The communication line is also provided with a shielding line, the shell of the communication line joint of the industrial Ethernet is a metal shell, and the shielding line in the industrial Ethernet communication line is connected with the metal shell. During testing, the terminals of the shielding wires of the first communication interface 11 and the second communication interface 12 are respectively connected with the metal shells at two ends of the communication line.
Further, the device also comprises a function switching module 2, wherein the function switching module 2 comprises: a test switch 21 for turning on or off detection; and the test function switch 22 is used for switching the output end of the first processing module connected with the terminal a of the first communication interface 1 to be connected with the terminal of the shielding wire of the first communication interface 1.
For switching communication line detection and shield line detection, and/or for switching on and off detection. The function switching module 2 includes a test switch 21 and a test function switch 22, and the test function switch 22 can switch and input the signal output by the first processing unit to the shielded wire terminal of the first communication interface.
The utility model discloses integrated multiple communication line's communication line detection module, still integrated the detection module of shielded wire, when communication line laid, need not change detection device, labour saving and time saving has practiced thrift manpower resources. The detection device has the advantages of simple structure, low cost, small volume and wide application range.
As shown in fig. 3, the communication line detection device includes a main detection device 4 and an auxiliary detection device 5, the first communication interface 11, the signal indication module 3 and the signal detection module are disposed on the main detection device 4, and the second communication interface 12 is disposed on the auxiliary detection device 5. The power supply, the current-limiting resistor and the function switching module 2 are also arranged on the main detection device 4, and a one-way diode which is conducted from the terminal A to the terminal B is arranged between each pair of communication line terminals of the second communication interface 12. The signal indicating module comprises an indicating lamp. The detection device further comprises a clamping structure 6, the main detection device 4 and the auxiliary detection device 5 are respectively provided with the clamping structure 6 which is matched with each other, and the clamping structures 6 can be connected together. The snap-in structure 6 may be a plug-in connection.
The detection device comprises an industrial Ethernet communication interface and a serial communication interface, and the two interfaces can share one set of signal detection module and signal indication module 3. The industrial ethernet interface may be an Rj45 interface, and includes four pairs of communication line terminals, and the terminal a of the four pairs of communication line terminals of the first communication interface 11 is connected with the first indicator lamp 31, the second indicator lamp 32, the third indicator lamp 33, and the fourth indicator lamp 34 in sequence, respectively, and is used to indicate whether the lines detected in turn are correctly wired. The shield wire terminal of the first communication interface 11 is connected to the fifth indicator light 35 for indicating whether the shield wire is correctly wired. The shield wire terminal of the second communication interface 12 is connected between the first pair of communication wire terminals. The sixth indicator light 36 is used to indicate whether the clock pulse generator is operating.
The operation steps for detecting the industrial Ethernet line are as follows:
And 2, pressing the test switch 21, starting to supply power to the signal detection module by the power supply, and starting detection by the aid of the sixth indicator light 36 of the self-flashing light-emitting diode. And observing the state of the indicator lamps, and if the line is normal, alternately lighting the first indicator lamp 31, the second indicator lamp 32, the third indicator lamp 33 and the fourth indicator lamp 34.
And step 3, pressing the test switch 21 to detect the state of the shielding wire of the industrial Ethernet wire, and if the shielding wire is normally connected, alternately lighting the fifth indicator light 35, the second indicator light 32, the third indicator light 33 and the fourth indicator light 34.
And 4, simultaneously pressing the test switch 21 and the test function change-over switch 22, resetting the detection device and carrying out next detection.
The serial communication interface comprises an RS485 interface and an RS422 interface. The serial communication interface comprises one pair or two pairs of communication line terminals. The shield wire terminal of the first communication interface 11 is connected to the fifth indicator light 35 for indicating whether the shield wire is correctly wired. The shield wire terminal of the second communication interface 12 is connected between the first pair of communication wire terminals. The sixth indicator light 36 is used to indicate whether the clock pulse generator is operating. The RS422 interface includes 2 pairs of communication line terminals, and the terminals a of the two pairs of communication line terminals of the first communication interface 11 are sequentially connected to the first indicator lamp 31 and the second indicator lamp 32, respectively, for indicating whether the wiring of the circuit inspected in turn is correct. The RS485 interface includes 1 pair of communication line terminals, and the terminal a of the pair of communication line terminals of the first communication interface 11 is connected to the first indicator lamp 31.
The operation steps for detecting the serial communication line are as follows:
And 2, pressing the test switch 21, starting to supply power to the signal detection module by the power supply, and starting detection by the aid of the sixth indicator light 36 of the self-flashing light-emitting diode. And observing the state of the light-emitting diode and judging whether the communication line is normal or not. When detecting the RS422 communication line, if the line is normal, the first indicator lamp 31 and the second indicator lamp 32 will be alternately turned on. When detecting the RS485 communication line, if the line is normal, the first indicator lamp 31 will be turned on.
And step 3, pressing the test function switch 22 to detect the shielded wire of the serial communication wire. When the RS485 communication line is detected, if the shielding line is normal, the fifth indicator light 35 is lighted; when detecting the RS422 communication line, if the shielded wire is normal, the fifth indicator light 35 and the second indicator light 32 are alternately turned on.
And 4, simultaneously pressing the test switch 21 and the test function change-over switch 22, resetting the detection device and carrying out next detection.
The utility model discloses the scintillation frequency that utilizes from scintillation emitting diode is as detecting clock pulse, uses first processing module and second processing module, makes detection device round patrol each alignment that detects communication line, utilizes one-way diode's one-way conductivity simultaneously, ensures that the connection of every line is correct. By setting the test function switch, the tested communication line is used as a compound line for detecting whether the communication shielding line is unobstructed.
The utility model discloses can be used for detecting two kinds of serial communication lines of industrial ethernet line and RS485, RS422 of chemical fibre spinning scene. The detection device adopts a split design, and can detect a local communication line and a remote communication line; the detection device has the advantages of simple and practical structure, low cost, stability, reliability and convenient operation.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention still fall within the scope of the present invention.
Claims (10)
1. A communication line detection apparatus, comprising:
the communication interface comprises a first communication interface and a second communication interface, the first communication interface and the second communication interface are respectively provided with one or more pairs of communication line terminals for connecting two ends of a communication circuit, and each pair of communication line terminals of the second communication interface are in one-way conduction connection;
the signal indicating module is arranged between each pair of the communication line terminals and is used for indicating whether the communication line has faults or not;
the signal detection module is used for detecting whether the communication line has faults, and comprises a clock pulse generator, a first processing module and a second processing module:
the output end of the clock pulse generator is connected with the input end of the first processing module and used for outputting a clock level signal;
the output end of the first processing module is respectively connected with the input end of the second processing module and the first communication interface and is used for changing the length and the frequency of the output level of the clock pulse generator and generating a plurality of paths of sequential pulse level signals;
and the output end of the second processing module is connected with the first communication interface and is used for changing the state of the output level of the first processing module.
2. The communication line detection device according to claim 1, wherein each pair of communication line terminals comprises a terminal a and a terminal B, the first processing module output is connected to the terminal a of each pair of the first communication interfaces, the second processing module output is connected to the terminal B of the same pair of the terminals a, and each pair of communication line terminals of the second communication interfaces is connected in one-way conduction from the terminal a to the terminal B.
3. The communication line detection device according to claim 2, wherein a signal indication module is provided between the output of the first processing module and the terminal a of each pair of the first communication interfaces.
4. The apparatus according to claim 3, wherein the clock generator is a self-flashing LED, and the signal indication module is an LED.
5. The apparatus according to claim 4, further comprising a current limiting resistor, wherein the clock generator is connected in series with the current limiting resistor.
6. The apparatus according to claim 1, wherein the communication interface comprises an industrial ethernet interface and/or a serial communication interface.
7. The communication line detection device according to any one of claims 1 to 6, wherein the communication interface is provided with a shielded wire terminal, the output terminal of the first processing module is connected to the shielded wire terminal of the first communication interface, and the shielded wire terminal of the second communication interface is connected between any pair of communication wire terminals of the second communication interface.
8. The apparatus according to claim 7, wherein a signal indication module is disposed between the output terminal of the first processing module and the shield wire terminal of the first communication interface.
9. The communication line detection device according to claim 8, further comprising a function switching module, wherein the function switching module comprises:
the test switch is used for starting or stopping detection;
and the test function switch is used for switching the output end of the first processing module connected with the first communication interface wiring end A to be connected with the shielding wire wiring end of the first communication interface.
10. The communication line detection device according to claim 1, wherein the communication line detection device comprises a main detection device and an auxiliary detection device, the first communication interface, the signal indication module and the signal detection module are disposed on the main detection device, and the second communication interface is disposed on the auxiliary detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020417027.1U CN210867746U (en) | 2020-03-27 | 2020-03-27 | Communication line detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020417027.1U CN210867746U (en) | 2020-03-27 | 2020-03-27 | Communication line detection device |
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| Publication Number | Publication Date |
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| CN210867746U true CN210867746U (en) | 2020-06-26 |
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| CN202020417027.1U Active CN210867746U (en) | 2020-03-27 | 2020-03-27 | Communication line detection device |
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| CN (1) | CN210867746U (en) |
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