CN115774219A

CN115774219A - Cable detection equipment, detection method and device thereof and computer equipment

Info

Publication number: CN115774219A
Application number: CN202211521136.8A
Authority: CN
Inventors: 王业桢; 卢传吉; 李亚会; 陈诚
Original assignee: Guangzhou Bureau of Extra High Voltage Power Transmission Co
Current assignee: Haikou Branch Of Guangzhou Bureau Of China Southern Power Grid Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-03-10

Abstract

The application relates to a cable detection device, a detection method and a detection device thereof and computer equipment. The equipment is characterized in that a resistor is connected in series between every two cable cores to be tested; the power supply module is connected with a plurality of cable cores to be tested; the current detection module is connected in series on a main branch of power supply; the control end of the controller is connected with the controlled end of the power supply module, the input end of the controller is connected with the output end of the current detection module, and test voltage is provided for all cable cores to be tested by controlling the power supply module; acquiring a test current acquired by a current detection module; under the condition that the cable cores to be tested are judged to have fault cores according to the test current, the steps of dividing a plurality of cable cores to be tested corresponding to the test current abnormity equally are circularly executed, the power supply module is controlled to provide test voltage for each part of the cable cores to be tested after the equal division, and the test current of each part of the cable cores to be tested under the test voltage is obtained until the positions of the fault cores are determined according to the test current.

Description

Cable detection equipment, detection method and device thereof and computer equipment

Technical Field

The present application relates to the field of detection technologies, and in particular, to a cable detection device, a detection method and apparatus thereof, and a computer device.

Background

With the development of power grids, multi-core cables are mostly used as a medium for signal transmission among devices such as protection devices and measurement and control devices in power grid construction. In the actual secondary equipment transformation or extension project, insulation and conduction performance tests need to be performed on each core in the multi-core cable, and particularly, whether the cable number corresponding to each core corresponds to the cable number or not needs to be confirmed

At present, methods such as a double multimeter, a double battery pack-a small bulb, a diode string-a multimeter, a resistor string-a multimeter and the like are mostly adopted for detection, but the problem of low detection efficiency still exists.

Disclosure of Invention

In view of the foregoing, it is necessary to provide a cable detection device, a detection method and apparatus thereof, and a computer device, which can improve detection efficiency.

In a first aspect, a cable detection apparatus is provided, including:

the device comprises a plurality of resistors, a first resistor, a second resistor, a third resistor and a fourth resistor, wherein one resistor is connected between every two cable cores to be tested in series, and each end of each cable core to be tested is only connected with one resistor;

the power supply module is connected with the cable cores to be tested and is used for providing test voltage for the cable cores to be tested;

the current detection module is connected in series on a main branch circuit which supplies power to the cable cores to be detected by the power supply module, and is used for detecting the current on the main branch circuit;

the control end of controller is connected with power module's controlled end, and the input of controller is connected with the output of current detection module, and the controller is used for:

the power supply control module is used for providing test voltage for all cable cores to be tested;

acquiring a test current acquired by a current detection module;

under the condition that the cable cores to be tested are judged to have fault cores according to the test current, the steps of dividing a plurality of cable cores to be tested corresponding to the test current abnormity equally are circularly executed, the power supply module is controlled to provide test voltage for each part of the cable cores to be tested after the equal division, and the test current of each part of the cable cores to be tested under the test voltage is obtained until the positions of the fault cores are determined according to the test current.

In one embodiment, the cable detection apparatus further comprises:

the first end of each gating switch is connected with one end of the current detection module which is not connected with the power supply module, the second end of each gating switch is connected with the corresponding cable core to be tested, and the third end of each gating switch is grounded;

the controller is connected with the control end of each gating switch and is used for controlling the two gating switches at the two ends of the target series circuit to be in a first state and a second state respectively and controlling other gating switches on the target series circuit to be in a third state so as to enable the power supply module to provide test voltage for a cable core to be tested on the target series circuit;

the target series circuit is a series circuit formed by cable cores to be tested which need to provide test voltage; when the gating switch is in the first state, the first end and the second end of the gating switch are communicated; when the gating switch is in a second state, the second end of the gating switch is communicated with the third end; when the gating switch is in the third state, the gating switch is in an off state.

In one embodiment, the cable detection apparatus further comprises:

the input end of the display module is connected with the output end of the controller;

the controller is used for generating and sending a fault reminding driving signal to the display module according to the determined fault wire core position, and the fault reminding driving signal is used for driving the display module to display the fault position of the cable wire core to be tested.

In one embodiment, the controller is further configured to generate and send a normal reminding driving signal to the display module when the cable core to be tested is determined to be normal according to the test current, and the normal reminding driving signal is used for driving the display module to display normal reminding information for testing the cable core to be tested.

In a second aspect, a cable detection method is provided, which is applied to the controller in the cable detection device in the above embodiment, and includes:

the control power supply module provides test voltage for all cable cores to be tested;

acquiring a test current acquired by a current detection module;

In one embodiment, the method for judging whether the cable core to be tested has a fault core according to the test current comprises the following steps:

and if the test current is larger than the reference current or the test current corresponding to the cable core to be tested loaded with the test voltage is zero, judging that a fault wire core exists in the cable core to be tested loaded with the test voltage.

In one embodiment, if the test current is greater than the reference current or the test current corresponding to the cable core to be tested loaded with the test voltage is zero, determining that a faulty cable core exists in the cable core to be tested loaded with the test voltage includes:

if the test current is larger than the corresponding reference current and is not zero, judging that a short-circuit wire core exists in the cable cores to be tested loaded with the test voltage;

and if the test current is zero, judging that the broken wire core exists in the cable cores to be tested loaded with the test voltage.

In one embodiment, the cable detection device further comprises multiple gating switches, wherein a first end of each gating switch is connected with one end of the current detection module, which is not connected with the power supply module, a second end of each gating switch is connected with the corresponding cable core to be detected, and a third end of each gating switch is grounded; the controller is connected with the control end of each gating switch; the step of controlling the power supply module to provide the test voltage comprises the following steps:

controlling two gating switches at two ends of a target series circuit to be in a first state and a second state respectively, and controlling other gating switches on the target series circuit to be in a third state so as to enable a power supply module to provide test voltage for a cable core to be tested on the target series circuit;

In a third aspect, a cable detection apparatus is provided, including:

the control module is used for controlling the power supply module to provide test voltage for all cable cores to be tested;

the data acquisition module is used for acquiring the test current acquired by the current detection module;

and the determining module is used for circularly executing the steps of halving the plurality of to-be-tested cable cores corresponding to the abnormal test current under the condition that the to-be-tested cable cores are judged to have the fault cores according to the test current, controlling the power supply module to provide test voltage for each part of to-be-tested cable cores after being halved, and obtaining the test current of each part of to-be-tested cable cores under the test voltage until the position of the fault core is determined according to the test current.

In a fifth aspect, there is provided a computer device comprising a memory storing a computer program and a processor implementing the steps of the method of any one of claims 5 to 8 when the processor executes the computer program.

The cable detection equipment, the detection method and the detection device thereof and the computer equipment comprise a plurality of resistors, a power supply module, a current detection module and a controller. Specifically, a resistor is connected in series between every two cable cores to be tested, and each end of each cable core to be tested is connected with only one resistor; connecting the power supply module with a plurality of cable cores to be tested; the current detection module is connected in series on a main branch circuit of the power supply module for supplying power to the cable cores to be detected; the control end of the controller is connected with the controlled end of the power supply module, the input end of the controller is connected with the output end of the current detection module, the power supply module is controlled by the controller to provide test voltage for all cable cores to be tested, test current collected by the current detection module on a main branch circuit powered by the cable cores to be tested is obtained, under the condition that the cable cores to be tested are judged to have fault cores according to the test current, the step of halving the cable cores to be tested corresponding to abnormal test current is circularly executed, the power supply module is controlled to provide test voltage for each part of the cable cores to be tested after being halved, and test current of each part of the cable cores to be tested under the test voltage is obtained until the position of the fault cores is determined according to the test current. The testing method based on halving realizes high-efficiency fault location detection of the cable core.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the descriptions of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the following descriptions are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of the construction of a cable inspection apparatus according to one embodiment;

FIG. 2 is a schematic structural diagram of a cable inspection apparatus in another embodiment;

FIG. 3 is a schematic view of a cable check device according to still another embodiment;

FIG. 4 is a schematic flow chart diagram of a cable detection method in one embodiment;

FIG. 5 is a schematic flow chart of a cable inspection method according to another embodiment;

FIG. 6 is a schematic flow chart of a cable inspection method according to yet another embodiment;

FIG. 7 is a block diagram of the structure of a cable detection device according to an embodiment;

FIG. 8 is a diagram illustrating an internal configuration of a computing node device, according to one embodiment.

Detailed Description

To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are set forth in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

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 application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

It will be understood that, as used herein, the terms "first," "second," and the like may be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or be connected to the other element through intervening elements. Further, "connection" in the following embodiments is understood to mean "electrical connection", "communication connection", or the like, if there is a transfer of electrical signals or data between the connected objects.

As used herein, the singular forms "a", "an" and "the" may include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises/comprising," "includes" or "including," etc., specify the presence of stated features, integers, steps, operations, components, parts, or combinations thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

In one embodiment, as shown in fig. 1, there is provided a cable detection apparatus comprising: a plurality of resistors, a power supply module 102, a current detection module 104, and a controller 106. The device comprises a power supply, a power supply and a power supply, wherein a resistor is connected between every two cable cores to be tested in series, and each end of each cable core to be tested is only connected with one resistor; the power supply module 102 is connected with a plurality of cable cores to be tested, and the power supply module 102 is used for providing test voltage for the cable cores to be tested; the current detection module 104 is connected in series to a main branch of the power supply module 102 for supplying power to the cable cores to be tested, and the current detection module 104 is used for detecting the current on the main branch; a control terminal of the controller 106 is connected to the controlled terminal of the power supply module 102, an input terminal of the controller 106 is connected to the output terminal of the current detection module 104, and the controller 106 is configured to:

the control power supply module 102 provides test voltage for all cable cores to be tested;

acquiring a test current acquired by a current detection module 104;

under the condition that the cable cores to be tested are judged to have fault cores according to the test current, the steps of dividing the plurality of cable cores to be tested corresponding to the abnormal test current into two parts are circularly executed, the power supply module 102 is controlled to provide test voltage for each part of the cable cores to be tested after being divided into two parts, and the test current of each part of the cable cores to be tested under the test voltage is obtained until the positions of the fault cores are determined according to the test current.

The number of resistors in fig. 1 is merely an example, and is not limited herein; the number of the resistors can be more than the number of the wire cores and can also be less than the number of the wire cores, and further, the number of the resistors can be matched with the number of the wire cores in order to improve the detection accuracy. Similarly, the resistance of the resistor may be adaptively selected according to different application scenarios, which is not limited herein. The connection mode of the specific cable core and the resistor can be referred to as figure 1. The power supply module 102 may refer to a power supply integrated with a power driver chip, and has a plurality of ports, and the voltage levels (including the zero point potential) of the voltages at the different ports can be set. The current detection module 104 may be a current sensor for collecting the magnitude of the current, and the specific type and parameters are not limited herein, and those skilled in the art may select and match the current according to actual needs. The controller 106 may be a general-purpose Processor, including a Central Processing Unit (CPU), a Network Processor (NP), and the like; but may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a single chip, an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components. Which may implement or perform the methods, steps, and logic blocks of the embodiments of the present application. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.

Specifically, in one embodiment, as shown in fig. 1, since the resistance of the cable core is negligible, the resistance needs to be accessed to perform auxiliary detection on cable detection. The number of cable cores is 8 (F1-F8), and the number of resistors is 8 (R1-R8). After all cores of the cable are connected as shown in fig. 1, the controller 106 outputs a detection signal to the power supply module 102, and after receiving the detection signal, the power supply module 102 sets potentials of different ports in the power supply module 102, so as to provide a test voltage for the cable cores. If the detection is performed at the beginning, a high potential can be set at one end of the cable cores F1 to F7 and the current detection module 104, a zero potential is set at one end of the resistor R8 and the current detection module 104, which is equivalent to that F1 to R8 are sequentially connected in series at this time, and form a loop with the current detection module 104 and the power supply module 102, at this time, the current detection module 104 collects current in the loop and transmits the current to the controller 106, the controller 106 compares the collected test current with corresponding reference current in a memory built in the controller 106, and under the condition that the matching degree of the collected test current is small, it is determined that the cable cores are faulty. Further, in this case, the cable cores F1 to F8 may be halved in accordance with the connection order thereof, and the above-described configuration of the power supply module 102 for the potential may be repeated. If the high potential is set at one end of the cable cores F1 to F4 and the current detection module 104, the zero potential is set at one end of the resistor R4 and the current detection module 104, which is equivalent to that F1 to R4 are sequentially connected in series at this time, and the loop is formed by the resistor R1 and the current detection module 104 and the power supply module 102. At this time, the current detection module 104 collects the current in the loop and transmits the current to the controller 106, the controller 106 compares the collected test current with a corresponding reference current in a memory built in the controller 106, and further determines whether a faulty wire core exists, and if the faulty wire core exists, the faulty wire core is further halved according to the method until the position of the faulty wire core is determined.

The cable detection device can improve the detection efficiency of the cable core based on the dichotomy by a circuit structure formed by the resistors, the power supply module 102, the current detection module 104 and the controller 106.

In one embodiment, as shown in fig. 2, the cable detection device further includes multiple gating switches, a first end of each gating switch is connected to the end of the current detection module 104 that is not connected to the power supply module 102, a second end of each gating switch is connected to the corresponding cable core to be tested, and a third end of each gating switch is grounded; the controller 106 is connected with the control end of each gating switch, and the controller 106 is used for controlling two gating switches at two ends of the target series circuit to be in a first state and a second state respectively, and controlling other gating switches on the target series circuit to be in a third state so that the power supply module 102 provides test voltage for a cable core to be tested on the target series circuit;

the target serial circuit is a serial circuit formed by cable cores to be tested and needing to provide test voltage; when the gating switch is in the first state, the first end and the second end of the gating switch are communicated; when the gating switch is in a second state, the second end of the gating switch is communicated with the third end; when the gating switch is in the third state, the gating switch is in an off state.

Specifically, as shown in fig. 2, it should be noted that the control terminal of the controller 106 is not only connected to the second terminal of the switch S8, but also connected to the second terminals (not shown) of the switches S1-S7. When the detection is started, the controller 106 outputs a detection signal to the power supply module 102, and after the power supply module 102 receives the detection signal, the first terminal (i.e., the terminal connected to the current detection module 104) of the multi-way gate switch is set to a high potential and the potentials are equal, and the third terminal is set to a zero potential (i.e., grounded). And then the controller 106 controls the gating of the multi-way gating switch, and in the initial detection stage, the first end and the second end of the switch S1 are firstly connected, the second end and the third end of the switch S8 are connected, and the rest gating switches are in an off state. At this time, F1 to R8 are sequentially connected in series and form a loop with the current detection module 104 and the power supply module 102, and at this time, the determination of the fault and the test logic of the halving are similar to those of the above embodiment, and are not described again here.

In the embodiment, the circuit is gated through the multi-path gating switch, so that the detection of the cable is realized, and the detection efficiency is improved.

In one embodiment, as shown in fig. 1, the cable detection apparatus further includes:

the input end of the display module 108 is connected with the output end of the controller 106;

the controller 106 is configured to generate and send a fault reminding driving signal to the display module 108 according to the determined position of the faulty wire core, where the fault reminding driving signal is configured to drive the display module 108 to display the faulty position of the cable core to be tested.

The display module 108 may be, but not limited to, a Thin Film Transistor (TFT) liquid crystal panel, an Organic Light-Emitting Diode (OLED). The TFT liquid crystal screen is a thin film transistor, that is, each liquid crystal pixel point is driven by the thin film transistor integrated behind the pixel point, so that screen information can be displayed at high speed, high brightness and high contrast, the TFT liquid crystal screen is one of the best LCD color display devices at present, the effect of the TFT liquid crystal screen is close to that of a CRT display, and the TFT liquid crystal screen is the mainstream display device on notebook computers and desktop computers at present.

In the above embodiment, the cable detection result is visually presented to the detector through the display module 108, so that the position of the faulty wire core is conveniently known.

In one embodiment, the controller 106 is further configured to generate and send a normal reminding driving signal to the display module 108 in a case that the cable core to be tested is determined to be normal according to the test current, where the normal reminding driving signal is used for driving the display module 108 to display a test normal reminding message of the cable core to be tested.

In one embodiment, as shown in fig. 4, there is provided a cable detection method applied to a controller in the cable detection apparatus in the above embodiments, the method including:

s402, controlling the power supply module to provide test voltage for all cable cores to be tested.

S404, obtaining the test current collected by the current detection module.

S406, under the condition that the cable cores to be tested are judged to have fault cores according to the test current, the steps of dividing the plurality of cable cores to be tested corresponding to the abnormal test current into two parts in a circulating mode, controlling the power supply module to provide test voltage for each part of cable cores to be tested after the division, and obtaining the test current of each part of cable cores to be tested under the test voltage are carried out until the positions of the fault cores are determined according to the test current.

Specifically, the method of this embodiment is performed based on the above device, and for the specific implementation, reference is made to the above embodiment, which is not described herein again.

s502, if the test current is larger than the reference current or the test current corresponding to the cable core to be tested loaded with the test voltage is zero, determining that a fault core exists in the cable core to be tested loaded with the test voltage.

The reference current may be multiple, and may be stored in a memory in the controller, and further, the setting of the reference current may be set according to the number of different access resistors in the circuit. If the test voltage is 36V and the resistance of each resistor is 1 Ω, when the number of access resistors is 8, the reference current at this time is 36/(8*1) =4.5A, and if the number of access resistors is 4, the reference current is 36/(4*1) =9A.

Specifically, as shown in fig. 1, in the loop formed by the cable cores F1 to R8 connected in series in sequence and the voltage detection module and the power supply module, the number of resistors connected in the loop is 8, that is, the reference current is 4.5A. Under the condition, if the test current acquired by the current detection module is greater than 4.5 or the test current is zero, the fault wire core exists in the loop.

The embodiment further judges whether the cable detection has the fault wire core or not based on the comparison between the test current and the reference current, and further guarantees the detection accuracy.

In one embodiment, if the test current is greater than the reference current or the test current corresponding to the cable core to be tested to which the test voltage is applied is zero, determining that a faulty core exists in the cable core to be tested to which the test voltage is applied, includes:

s504, if the test current is larger than the corresponding reference current and is not zero, determining that a short-circuit wire core exists in the cable core to be tested loaded with the test voltage.

S506, if the test current is zero, judging that an open circuit core exists in the cable cores to be tested loaded with the test voltage.

According to the embodiment, the fault type is further accurately determined based on the comparison result of the test current and the reference current, so that the fault is rapidly checked.

In one embodiment, as shown in fig. 6, the cable detection device further includes multiple gating switches, a first end of each gating switch is connected to an end of the current detection module that is not connected to the power supply module, a second end of each gating switch is connected to a corresponding cable core to be tested, and a third end of each gating switch is grounded; the controller is connected with the control end of each gating switch; the step of controlling the power supply module to provide the test voltage comprises the following steps:

and S602, controlling two gating switches at two ends of the target serial path to be in a first state and a second state respectively, and controlling other gating switches on the target serial path to be in a third state so that the power supply module provides test voltage for the cable core to be tested on the target serial path.

It should be understood that when the controller controls the power supply module to provide the test voltage for all the cable cores to be tested, the target serial path is the serial path that covers all the cable cores to be tested. When the controller controls the power supply module to provide test voltage for each part of the cable cores to be tested after being equally divided, the target series circuit is the section of the target series circuit covering each part of the cable cores to be tested. For example. Taking 8 cable cores to be tested shown in fig. 1 and fig. 2 as an example, when the controller controls the power supply module to provide test voltage for all cable cores to be tested, the target serial path is a full-segment serial path from F1 to F8, and the implementation process is as described in the above embodiments, switching S1 to a state of connecting the power supply module and F1, switching S8 to a state of grounding F8, and switching the rest gating switches to off states, so that the test voltage output by the power supply module is loaded from S1 to the serial paths from F1 to F8, and test current flowing through F1 to F8 in sequence is formed.

When a core fault is found, F1 to F8 are divided into two halves, for example, F1 to F4 are the first part, and F5 to F8 are the second part, a test voltage is provided to the cable core of the first part, and the target serial path at this time is the serial path of F1 to F4, and other situations can be understood similarly, and are not described herein again.

Specifically, it should be noted that the method in this embodiment corresponds to the structural embodiment of the cable detection device, and specific implementation manners may refer to the above embodiment, which is not described herein again.

It should be understood that although the various steps in the flowcharts of fig. 4-6 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not limited to being performed in the exact order illustrated and, unless explicitly stated herein, may be performed in other orders. Moreover, at least some of the steps in fig. 4-6 may include multiple steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, which are not necessarily performed in sequence, but may be performed in turn or alternately with other steps or at least some of the other steps.

In one embodiment, as shown in fig. 7, there is provided a cable detection apparatus including:

and the control module 702 is used for controlling the power supply module to provide test voltage for all the cable cores to be tested.

And a data obtaining module 704, configured to obtain the test current collected by the current detecting module.

The determining module 706 is configured to, when it is determined that a faulty wire core exists in the cable core to be tested according to the test current, cyclically perform a step of halving the plurality of cable cores to be tested corresponding to the abnormal test current, and control the power supply module to provide test voltage for each part of the cable cores to be tested after being halved, so as to obtain the test current of each part of the cable cores to be tested under the test voltage, until the location of the faulty wire core is determined according to the test current.

In one embodiment, the determining module 706 includes:

and the judging unit is used for judging that a fault wire core exists in the cable core to be tested loaded with the test voltage under the condition that the reference current or the test current corresponding to the cable core to be tested with the test current larger than the loaded test voltage is zero.

In one embodiment, the determination unit includes:

and the short circuit judging unit is used for judging that a short circuit wire core exists in the cable cores to be tested loaded with the test voltage if the test current is greater than the corresponding reference current and is not zero.

And the fault determination unit is used for determining that an open circuit wire core exists in the cable core to be tested loaded with the test voltage if the test current is zero.

In one embodiment, the determining module 706 further includes:

and the control unit is used for controlling the two gating switches at the two ends of the target series circuit to be in a first state and a second state respectively, and controlling other gating switches on the target series circuit to be in a third state so as to enable the power supply module to provide test voltage for the cable core to be tested on the target series circuit.

For specific limitations of the cable detection device, reference may be made to the above limitations of the cable detection method, which are not described herein again. The modules in the cable detection device can be wholly or partially implemented by software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules. It should be noted that, in the embodiment of the present application, the division of the module is schematic, and is only one logic function division, and there may be another division manner in actual implementation.

In one embodiment, a computer device is provided, which may be a terminal, and its internal structure diagram may be as shown in fig. 8. The computer apparatus includes a processor, a memory, an input/output interface, a communication interface, a display unit, and an input device. The processor, the memory and the input/output interface are connected through a system bus, and the communication interface, the display unit and the input device are connected to the system bus through the input/output interface. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The input/output interface of the computer device is used for exchanging information between the processor and an external device. The communication interface of the computer device is used for carrying out wired or wireless communication with an external terminal, and the wireless communication can be realized through WIFI, a mobile cellular network, NFC (near field communication) or other technologies. The computer program is executed by a processor to implement a cable detection method. The display unit of the computer device is used for forming a visual picture and can be a display screen, a projection device or a virtual reality imaging device. The display screen can be a liquid crystal display screen or an electronic ink display screen, and the input device of the computer equipment can be a touch layer covered on the display screen, a key, a track ball or a touch pad arranged on the shell of the computer equipment, an external keyboard, a touch pad or a mouse and the like.

It will be appreciated by those skilled in the art that the configuration shown in fig. 8 is a block diagram of only a portion of the configuration associated with the present application, and is not intended to limit the computing device to which the present application may be applied, and that a particular computing device may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.

In one embodiment, a computer device is provided, comprising a memory and a processor, the memory having stored therein a computer program, the processor implementing the steps of the above-described method embodiments when executing the computer program.

In an embodiment, a computer-readable storage medium is provided, on which a computer program is stored, which computer program, when being executed by a processor, carries out the steps of the above-mentioned method embodiments.

In an embodiment, a computer program product is provided, comprising a computer program which, when being executed by a processor, carries out the steps of the above-mentioned method embodiments.

It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database or other medium used in the embodiments provided herein can include at least one of non-volatile and volatile memory. Non-volatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical storage, or the like. Volatile Memory can include Random Access Memory (RAM) or external cache Memory. By way of illustration and not limitation, RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM), among others.

In the description herein, references to the description of "some embodiments," "other embodiments," "desired embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic depictions of the above terms do not necessarily refer to the same embodiment or example.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A cable detection apparatus, comprising:

the device comprises a plurality of resistors, a first resistor and a second resistor, wherein one resistor is connected in series between every two cable cores to be tested, and each end of each cable core to be tested is only connected with one resistor;

the current detection module is connected in series on a main branch of the power supply module for supplying power to the cable cores to be detected, and is used for detecting the current on the main branch;

the control end of the controller is connected with the controlled end of the power supply module, the input end of the controller is connected with the output end of the current detection module, and the controller is used for:

controlling the power supply module to provide test voltage for all the cable cores to be tested;

obtaining the test current collected by the current detection module;

and circularly executing a plurality of halving of the cable cores to be tested corresponding to the abnormal test current under the condition that the fault core exists in the cable cores to be tested according to the test current, controlling the power supply module to provide test voltage for each part of the cable cores to be tested after halving, and acquiring the test current of each part of the cable cores to be tested under the test voltage until the fault core position is determined according to the test current.

2. The cable detection apparatus of claim 1, further comprising:

the first end of each gating switch is connected with one end of the current detection module, which is not connected with the power supply module, the second end of each gating switch is connected with the corresponding cable core to be tested, and the third end of each gating switch is grounded;

the controller is connected with the control end of each gating switch, and is used for controlling two gating switches at two ends of a target series circuit to be in a first state and a second state respectively and controlling other gating switches on the target series circuit to be in a third state so as to enable the power supply module to provide test voltage for a cable core to be tested on the target series circuit;

the target serial circuit is a serial circuit formed by cable cores to be tested and needing to provide test voltage; when the gating switch is in a first state, the first end and the second end of the gating switch are communicated; when the gating switch is in a second state, the second end and the third end of the gating switch are communicated; and when the gating switch is in the third state, the gating switch is in an off state.

3. The cable detection apparatus of any one of claims 1-2, further comprising:

the controller is used for generating and sending a fault reminding driving signal to the display module according to the determined position of the fault wire core, and the fault reminding driving signal is used for driving the display module to display the fault position of the cable wire core to be tested.

4. The cable detection apparatus according to claim 3, wherein the controller is further configured to generate and send a normal prompt driving signal to the display module when it is determined that the cable core to be tested is normal according to the test current, where the normal prompt driving signal is used to drive the display module to display normal prompt information for testing the cable core to be tested.

5. A cable detection method applied to a controller in the cable detection apparatus according to any one of claims 1 to 4, the method comprising:

controlling the power supply module to provide test voltage for all cable cores to be tested;

obtaining the test current collected by the current detection module;

and circularly executing the steps of halving a plurality of to-be-tested cable cores corresponding to the abnormal test current under the condition that the fault core exists in the to-be-tested cable cores according to the test current, controlling the power supply module to provide test voltage for each part of to-be-tested cable cores after halving, and obtaining the test current of each part of to-be-tested cable cores under the test voltage until the fault core position is determined according to the test current.

6. The cable detection method according to claim 5, wherein the determining that the cable core to be tested has a faulty core according to the test current comprises:

and if the test current is larger than the reference current corresponding to the cable core to be tested loaded with the test voltage or the test current is zero, judging that a fault wire core exists in the cable core to be tested loaded with the test voltage.

7. The method according to claim 6, wherein if the test current is greater than the reference current corresponding to the cable core to be tested loaded with the test voltage or the test current is zero, determining that a faulty cable core exists in the cable core to be tested loaded with the test voltage, includes:

and if the test current is zero, judging that an open circuit wire core exists in the cable cores to be tested loaded with the test voltage.

8. The cable detection method according to claim 5, wherein the cable detection device further comprises multiple gating switches, a first end of each gating switch is connected to an end of the current detection module which is not connected to the power supply module, a second end of each gating switch is connected to the corresponding cable core to be detected, and a third end of each gating switch is grounded; the controller is connected with the control end of each gating switch; the step of controlling the power supply module to provide a test voltage comprises:

controlling two gating switches at two ends of a target series circuit to be in a first state and a second state respectively, and controlling other gating switches on the target series circuit to be in a third state so as to enable the power supply module to provide test voltage for a cable core to be tested on the target series circuit;

the target series circuit is a series circuit formed by cable cores to be tested which need to provide test voltage; when the gating switch is in a first state, the first end and the second end of the gating switch are communicated; when the gating switch is in a second state, the second end and the third end of the gating switch are communicated; and when the gating switch is in the third state, the gating switch is in an off state.

9. A cable detection device, comprising:

and the determining module is used for circularly executing the halving of the plurality of to-be-tested cable cores which are abnormally corresponding to the test current under the condition that the fault core exists in the to-be-tested cable core according to the test current, controlling the power supply module to provide test voltage for each part of to-be-tested cable cores after the halving, and acquiring the test current of each part of to-be-tested cable cores under the test voltage until the fault core position is determined according to the test current.

10. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor realizes the steps of the method of any one of claims 5 to 8 when executing the computer program.