CN221039387U - Detection device for cable core - Google Patents
Detection device for cable core Download PDFInfo
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- CN221039387U CN221039387U CN202323060853.8U CN202323060853U CN221039387U CN 221039387 U CN221039387 U CN 221039387U CN 202323060853 U CN202323060853 U CN 202323060853U CN 221039387 U CN221039387 U CN 221039387U
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- 238000012544 monitoring process Methods 0.000 claims abstract description 21
- 238000005259 measurement Methods 0.000 claims abstract description 11
- 238000005070 sampling Methods 0.000 claims description 22
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Abstract
The utility model discloses a detection device of a cable core, which is provided with a cable joint, a conversion circuit, a data processing module, a change-over switch, a straight-through measuring port, a data communication port and an end switch; the cable connector is connected with the cable to be detected, the conversion circuit carries out multi-core cascade connection on the connected cable to be detected, the data processing module carries out data acquisition on the cable to be detected and processes the acquired data, the change-over switch switches the measurement mode of the cable to be detected, the through detection port is connected with the external detection equipment to detect the cable, the data communication port is connected with the monitoring system to monitor the cable to be detected, and the end switch switches the state of the cable to be detected; the conversion circuit connects the multi-core cables in cascade into a path of two-core cables, so that the detection efficiency of the detection cable is improved, and the time consumption of the detection cable is reduced. The embodiment of the utility model can be widely applied to the technical field of detection.
Description
Technical Field
The utility model relates to the technical field of detection, in particular to a detection device for a cable core.
Background
In the existing railway control machine room, the relay cabinet is communicated or controlled through a multi-core cable, and the commonly used multi-core cable generally consists of 30-60 strands of core wires, so that the multi-core cable is provided with a plurality of groups of pins; when the multi-core cable is in the conditions of poor internal insulation, internal breakage or damage caused by mice, the multi-core cable with faults needs to be subjected to fault detection and replacement of the spare cable, and meanwhile, the spare cable needs to be subjected to state detection to avoid the situation that the cable with problems is connected into the system, so that larger accidents or losses are caused; the existing fault detection or state detection of the multi-core cable commonly uses a detection instrument to detect the multi-core cable one by one, and the multi-user cooperation is needed to complete the test, so that the detection efficiency is low and the detection accuracy is low.
Disclosure of utility model
Therefore, an object of the embodiments of the present utility model is to provide a device for detecting a cable core, which can improve the detection efficiency, improve the detection accuracy, and enable a single person to complete the test.
The embodiment of the utility model provides a detection device for a cable core, which comprises a cable joint, a conversion circuit, a data processing module, a change-over switch, a through measuring port, a data communication port and an end switch, wherein the data processing module is connected with the cable joint; wherein,
The cable connector is used for connecting a cable to be detected and comprises a first cable connector and a second cable connector;
The conversion circuit is used for cascading the multiple cores of the cable to be detected, and comprises a first conversion circuit and a second conversion circuit;
The data processing module is used for carrying out data acquisition and data processing on the cable to be detected;
the change-over switch is used for switching the measurement mode;
The through measuring port is used for connecting external detection equipment so as to detect the cable to be detected;
The data communication port is used for connecting a monitoring system to transmit instructions sent by the monitoring system and processing results of the data processing module;
And the end switch is used for switching the state of the cable to be detected.
Optionally, the first cable connector, the first conversion circuit, the data processing module, the change-over switch, the through measurement port and the data communication port are arranged on a first circuit board; wherein,
One end of the first cable connector is electrically connected with one end of the first conversion circuit, the other end of the first cable connector is electrically connected with one end of the cable to be detected, the other end of the first conversion circuit is electrically connected with the first end of the change-over switch, the second end of the change-over switch is electrically connected with the through measuring port, the third end of the change-over switch is electrically connected with one end of the data processing module, the other end of the data processing module is connected with the data communication port, and the third end of the processor is electrically connected with the first end of the change-over switch.
Optionally, the data processing module includes a sampling circuit, a digital-to-analog conversion circuit, and a processor; wherein,
The sampling circuit is used for sampling signals of the cable to be detected, and one end of the sampling circuit is electrically connected with the third end of the change-over switch;
The digital-to-analog conversion circuit is used for converting a sampling signal into a digital signal, and one end of the digital-to-analog conversion circuit is electrically connected with the other end of the sampling circuit;
The digital signal processing device comprises a digital-to-analog conversion circuit, a processor and a data communication port, wherein the processor is used for processing a digital signal and feeding back a processing result, one end of the processor is electrically connected with the other end of the digital-to-analog conversion circuit, and the other end of the processor is connected with the data communication port.
Optionally, the second cable connector, the second conversion circuit and the end switch are disposed on a second circuit board; wherein,
One end of the second cable connector is electrically connected with one end of the second conversion circuit, the other end of the second cable connector is electrically connected with the other end of the cable to be detected, and the other end of the second conversion circuit is connected with the end switch in series.
The embodiment of the utility model has the following beneficial effects: the embodiment is provided with a cable joint, a conversion circuit, a data processing module, a change-over switch, a straight-through measuring port, a data communication port and an end switch; the cable connector is connected with the cable to be detected, the conversion circuit carries out multi-core cascade connection on the connected cable to be detected, the data processing module carries out data acquisition on the cable to be detected and processes the acquired data, the change-over switch switches the measurement mode of the cable to be detected, the through detection port is connected with the external detection equipment to detect the cable to be detected, the data communication port is connected with the monitoring system to monitor the cable to be detected, and the end switch switches the state of the cable to be detected; the multi-core cables are connected in series and combined into one path of two-core cables through the conversion circuit, so that the detection efficiency of the detection cables is improved, the time consumption of the detection cables is reduced, the performance states of the cables can be obtained in real time through the detection of the data processing module and the data communication port, and the accuracy of the cable detection is improved.
Drawings
Fig. 1 is a block diagram of a cable core detection device according to an embodiment of the present utility model;
Fig. 2 is a block diagram of a first device in a cable core detection device according to an embodiment of the present utility model;
FIG. 3 is a block diagram illustrating a data processing module in a first device according to an embodiment of the present utility model;
Fig. 4 is a block diagram of a second device in the device for detecting a cable core according to an embodiment of the present utility model.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and to specific examples. The step numbers in the following embodiments are set for convenience of illustration only, and the order between the steps is not limited in any way, and the execution order of the steps in the embodiments may be adaptively adjusted according to the understanding of those skilled in the art.
In the following description, reference is made to "some embodiments" which describe a subset of all possible embodiments, but it is to be understood that "some embodiments" can be the same subset or different subsets of all possible embodiments and can be combined with one another without conflict.
In the following description, the terms "first", "second", "third" and the like are merely used to distinguish similar objects and do not represent a specific ordering of the objects, it being understood that the "first", "second", "third" may be interchanged with a specific order or sequence, as permitted, to enable embodiments of the utility model described herein to be practiced otherwise than as illustrated or described herein.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the embodiments of the utility model is for the purpose of describing embodiments of the utility model only and is not intended to be limiting of the utility model.
As shown in fig. 1, the embodiment of the utility model provides a cable core detection device, which comprises a cable joint, a conversion circuit, a data processing module, a change-over switch, a through measurement port, a data communication port and an end switch; wherein,
The cable connector is used for connecting a cable to be detected and comprises a first cable connector and a second cable connector;
The conversion circuit is used for cascading the multiple cores of the cable to be detected, and comprises a first conversion circuit and a second conversion circuit;
The data processing module is used for carrying out data acquisition and data processing on the cable to be detected;
the change-over switch is used for switching the measurement mode;
The straight-through measuring port is used for connecting external detection equipment to detect the cable to be detected;
The data communication port is used for connecting the monitoring system to transmit the instruction sent by the monitoring system and the processing result of the data processing module;
The end switch is used for switching the state of the cable to be detected.
Specifically, the selection of the cable joint is related to the detection cable, and the cable joint is selected according to the number of pins of the cable core to be detected, and illustratively, in the embodiment, the interlocking cable for detection is a 36-core independent core wire, so the detection cable has 36 pins, and therefore the cable joint selects a 36-pin joint; one end of the cable connector is connected with the cable, the other end of the cable connector is connected with the conversion circuit, the conversion circuit converts an original multi-core cable into a pair of two-core long cables in a mode of connecting the core wires of the detection cable in series in an end-to-end mode, the through measuring port comprises two connecting ports, the two connecting ports are connected with the output of the conversion circuit, namely the connecting ports are respectively connected with the two core wires of the converted two-core long cables, for example, a first connecting port is connected with the first core wire of the cable, and a second connecting port is connected with the second core wire of the cable; the detection personnel can connect the two connection ports of the through measuring port with an external detection instrument, for example, two detection electric pens of the universal meter are respectively connected with the two connection ports of the through measuring port, and related parameters of the cable are measured by adjusting the gear of the universal meter; the data communication port is connected with a monitoring system such as a computer, the computer sends out instructions through the data communication port, and the data of the cable are acquired in real time through the data communication port for analysis; the change-over switch is a single-pole double-throw switch, the fixed end of the switch is connected with a double-core long cable converted by the conversion circuit, the movable end of the switch is respectively connected with the data communication port and the direct measurement port, and the change-over can be carried out according to actual application requirements; the switch can be dialed to the data communication port when the cable state needs to be monitored in real time, and the monitoring systems such as a computer can collect the data of the cable in real time; when manual detection or manual spot check is performed, the switch can be pulled to the through measuring port, and a detector detects the cable through an external detecting instrument; the terminal switch connects two wire cores of the two-core cable in series, when the switch is closed, the two wire cores are connected in series to form one wire core, and at the moment, the loop resistance of the cable can be detected by an external detecting instrument; when the switch is opened, the cable is still a two-core cable, and at this time, the insulation resistance between the cores of the cable can be detected by an external detecting instrument.
Optionally, the first cable connector, the first conversion circuit, the data processing module, the change-over switch, the through measurement port and the data communication port are arranged on the first circuit board; the specific arrangement is shown in fig. 2:
One end of a first cable joint is electrically connected with one end of a first conversion circuit, the other end of the first cable joint is electrically connected with one end of a cable to be detected, the other end of the first conversion circuit is electrically connected with the first end of a change-over switch, the second end of the change-over switch is electrically connected with a through measuring port, the third end of the change-over switch is electrically connected with one end of a data processing module, the other end of the data processing module is connected with a data communication port, and the third end of a processor is electrically connected with the first end of the change-over switch.
Specifically, the device in the embodiment is provided with two acquisition devices, device a and device B; the device A and the device B are obtained by mounting the previous devices on a circuit board and performing corresponding encapsulation, wherein the device A is obtained by arranging a cable joint, a conversion circuit, a change-over switch, a data processing module, a through measuring port and a data communication port on a first circuit board; the cable connector is arranged on the first circuit board, a plurality of pins at the output end of the cable connector and a corresponding number of pins at the input end of the conversion circuit can be connected in a one-to-one correspondence manner through wires, two paths of outputs of the conversion circuit are connected with the fixed end of the conversion switch, in a specific embodiment, a double-control switch can be adopted as the conversion switch, one path of output of the movable end of the double-control switch is connected to the through measuring port through wires, the other path of output of the movable end of the double-control switch is connected with the input end of the data processing module through wires, and the output end of the data processing module is connected with the data communication port through wires; in a specific embodiment, the wire connection may be replaced by a printed circuit, and the miniaturization of the device may be achieved by miniaturized components.
Optionally, the data processing module includes a sampling circuit, a digital-to-analog conversion circuit, and a processor; a specific arrangement is shown in figure 3.
The sampling circuit is used for sampling signals of the cable to be detected, and one end of the sampling circuit is electrically connected with the third end of the change-over switch;
The digital-to-analog conversion circuit is used for converting the sampling signal into a digital signal, and one end of the digital-to-analog conversion circuit is electrically connected with the other end of the sampling circuit;
The processor is used for processing the digital signal and feeding back the processing result, the first end of the processor is electrically connected with the other end of the digital-to-analog conversion circuit, the second end of the processor is electrically connected with the data communication port, and the third end of the processor is electrically connected with the first end of the change-over switch. It should be noted that, the data processing methods of the processors all adopt the prior art.
Specifically, the data processing module can receive instructions sent by a monitoring system such as a computer through a data communication port, generate high-frequency test signals according to the received instructions, transmit the generated test signals to a cable through a fixed end of a change-over switch, detect the cable connected with a cable joint, and collect data of the cable for analysis; the data processing module comprises a sampling circuit, a digital-to-analog conversion circuit and a processor, the data processing module converts an analog signal of the detection cable into a digital signal which can be processed by the processor through the sampling circuit and the digital-to-analog conversion circuit, in practical application, components integrated with sampling and digital-to-analog conversion can be selected to replace the sampling circuit and the digital-to-analog conversion circuit, and the components are connected by a lead in a manner of a printed circuit, so that the miniaturization and the integration of the device are realized; the processor may be a single chip microcomputer or an MCU, etc., and the embodiment is not particularly limited.
Optionally, the second cable connector, the second conversion circuit and the end switch are disposed on a second circuit board; a specific arrangement is shown in figure 4.
One end of the second cable connector is electrically connected with one end of the second conversion circuit, the other end of the second cable connector is electrically connected with the other end of the cable to be detected, and the other end of the second conversion circuit is connected with the end switch in series.
Specifically, the device B is obtained by arranging a cable connector, a conversion circuit and an end switch on a second circuit board, arranging the cable connector on the second circuit board, and connecting a plurality of pins at the output end of the cable connector with a corresponding number of pins at the input end of the conversion circuit in a one-to-one correspondence manner through wires, and connecting two paths of output at the output end of the conversion circuit with two ends of the end switch through wires respectively; in practical applications, the miniaturization and integration of the device can be realized by replacing wire connection by a printed circuit mode.
Specifically, a detection device of a cable core is connected with two ends of a multi-core cable, the multi-core cable is converted into a double-core cable through the detection device, then the detection device is connected with detection equipment or a system in a machine room through a data communication port or a through detection port, and the connected multi-core cable is detected or monitored on line in real time through the detection device by the existing control method; for example, the resistance and insulation state of the multi-core cable are directly measured by connecting the detecting instrument with the through detecting port, or the performance data of the multi-core cable is monitored by sending instructions to the detecting device through the data communication port by using the monitoring system.
In a specific embodiment, the detection device is applied to a machine room, the device A of the detection device is arranged at a position where a layer frame of an interlocking cable interface cabinet of the machine room is idle, a cable joint at one end of an interlocking cable waiting to be detected is connected with the cable joint of the device A, then a cable joint of the device B of the detection device is connected with a cable joint at the other end of the interlocking cable waiting to be detected, and then an end switch of the device B is disconnected; then starting a monitoring system, setting related parameters of the monitored cable in the monitoring system, and automatically monitoring the connected cable on line by the monitoring system after the setting is completed; the monitoring system sends a corresponding instruction to the detection device by calling a corresponding detection module; for example, the monitoring system calls a length test module, sends a test instruction to the detection device, generates a tested pulse signal after receiving the test instruction, sends the pulse signal to the cable, receives a reflected signal fed back by the cable, and compares the reflected signal with a reflected signal of a normal cable; when the reflected signal has sharp negative pulse waveform compared with the reflected signal of a normal cable, detecting that a short circuit fault occurs in the cable; if the reflected signal has an ultra-high positive pulse waveform compared with the reflected signal of a normal cable, detecting that a short circuit fault occurs in the cable, and estimating the position of the fault through the recorded time difference; the detection device sends the obtained fault type and the estimated fault position to the monitoring system, and the monitoring system receives the information sent by the detection device, displays and sends prompt information in the operation interface.
The embodiment of the utility model has the following beneficial effects: the embodiment is provided with a cable joint, a conversion circuit, a data processing module, a change-over switch, a straight-through measuring port, a data communication port and an end switch; the cable connector is connected with the cable to be detected, the conversion circuit carries out multi-core cascade connection on the connected cable to be detected, the data processing module carries out data acquisition on the cable to be detected and processes the acquired data, the change-over switch switches the measurement mode of the cable to be detected, the through detection port is connected with the external detection equipment to detect the cable to be detected, the data communication port is connected with the monitoring system to monitor the cable to be detected, and the end switch switches the state of the cable to be detected; the multi-core cables are connected in series and combined into one path of two-core cables through the conversion circuit, so that the detection efficiency of the detection cables is improved, the time consumption of the detection cables is reduced, the performance states of the cables can be obtained in real time through the detection of the data processing module and the data communication port, and the accuracy of the cable detection is improved.
It is to be understood that all or some of the steps, systems, and methods disclosed above may be implemented in software, firmware, hardware, and suitable combinations thereof. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes both volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as known to those skilled in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by a computer. Furthermore, as is well known to those of ordinary skill in the art, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media.
While the preferred embodiment of the present utility model has been described in detail, the utility model is not limited to the embodiment, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the utility model, and these equivalent modifications and substitutions are intended to be included in the scope of the present utility model as defined in the appended claims.
Claims (4)
1. The detection device of the cable core is characterized by comprising a cable joint, a conversion circuit, a data processing module, a change-over switch, a through measuring port, a data communication port and an end switch; wherein,
The cable connector is used for connecting a cable to be detected and comprises a first cable connector and a second cable connector;
The conversion circuit is used for cascading the multiple cores of the cable to be detected, and comprises a first conversion circuit and a second conversion circuit;
The data processing module is used for carrying out data acquisition and data processing on the cable to be detected;
the change-over switch is used for switching the measurement mode;
The through measuring port is used for connecting external detection equipment so as to detect the cable to be detected;
The data communication port is used for connecting a monitoring system to transmit instructions sent by the monitoring system and processing results of the data processing module;
And the end switch is used for switching the state of the cable to be detected.
2. The apparatus of claim 1, wherein the first cable joint, the first conversion circuit, the data processing module, the switch, the pass-through measurement port, and the data communication port are disposed on a first circuit board; wherein,
One end of the first cable connector is electrically connected with one end of the first conversion circuit, the other end of the first cable connector is electrically connected with one end of the cable to be detected, the other end of the first conversion circuit is electrically connected with the first end of the change-over switch, the second end of the change-over switch is electrically connected with the through measuring port, the third end of the change-over switch is electrically connected with one end of the data processing module, and the other end of the data processing module is connected with the data communication port.
3. The apparatus of claim 2, wherein the data processing module comprises a sampling circuit, a digital-to-analog conversion circuit, and a processor; wherein,
The sampling circuit is used for sampling signals of the cable to be detected, and one end of the sampling circuit is electrically connected with the third end of the change-over switch;
The digital-to-analog conversion circuit is used for converting a sampling signal into a digital signal, and one end of the digital-to-analog conversion circuit is electrically connected with the other end of the sampling circuit;
The digital signal processing circuit comprises a digital-to-analog conversion circuit, a digital communication port, a processor, a change-over switch and a change-over switch.
4. The apparatus of claim 1, wherein the second cable tab, the second conversion circuit, and the end switch are disposed on a second circuit board; wherein,
One end of the second cable connector is electrically connected with one end of the second conversion circuit, the other end of the second cable connector is electrically connected with the other end of the cable to be detected, and the other end of the second conversion circuit is connected with the end switch in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323060853.8U CN221039387U (en) | 2023-11-13 | 2023-11-13 | Detection device for cable core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323060853.8U CN221039387U (en) | 2023-11-13 | 2023-11-13 | Detection device for cable core |
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| CN221039387U true CN221039387U (en) | 2024-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202323060853.8U Active CN221039387U (en) | 2023-11-13 | 2023-11-13 | Detection device for cable core |
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| CN (1) | CN221039387U (en) |
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- 2023-11-13 CN CN202323060853.8U patent/CN221039387U/en active Active
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