CN117607616A - Multifunctional cable detection equipment and method - Google Patents
Multifunctional cable detection equipment and method Download PDFInfo
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- CN117607616A CN117607616A CN202311587196.4A CN202311587196A CN117607616A CN 117607616 A CN117607616 A CN 117607616A CN 202311587196 A CN202311587196 A CN 202311587196A CN 117607616 A CN117607616 A CN 117607616A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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Abstract
The invention provides multifunctional cable detection equipment which comprises a connector detection module, a cable conduction measurement module, a BOM generation module, a cable component detection module, an automatic drawing module, an insulation test module, a cable identification module and a cable fault detection module, wherein the connector detection module is connected with the BOM generation module: compared with the traditional cable detection equipment, the cable detection equipment provided by the invention has richer and humanized functions, can automatically generate an internal component BOM list and draw a cable schematic diagram after the cable is manufactured, is convenient for technicians to check, is internally provided with a cable conductivity and insulation detection module, improves the working efficiency and the measurement result accuracy of operators, and is convenient for equipment fault detection and elimination due to modularized design.
Description
Technical Field
The invention belongs to the technical field of cable detection, and particularly relates to multifunctional cable detection equipment and method.
Background
With the technical progress, the complexity of the cable is increased, the traditional cable detection method is often only capable of performing limited functional inspection and cannot identify the simple components built in the cable, in the detection application of part of complex cables, the current cable detection tools may cause erroneous measurement and time cost increase, and although the existing cable detection tools can perform basic conductivity and insulation tests, the support of the existing cable detection tools on complex cable systems and advanced applications is still limited, and in addition, technicians often encounter difficulties due to lack of accurate cable data when want to acquire the detailed information of the cable or maintain the cable.
Disclosure of Invention
The invention mainly provides multifunctional cable detection equipment and a method, the equipment not only can detect the basic performance of a cable, but also can provide suggestions for drawing a measured cable schematic diagram and providing cable use and maintenance, so as to solve the technical problems of inconvenient use, fewer functions and insufficient accuracy of the traditional cable detection equipment in the background technology. .
The technical scheme adopted for solving the technical problems is as follows:
multifunctional cable inspection apparatus comprising
The connector detection module uses the miniature NFC tags as the identifiers of connectors, each connector is implanted with a unique NFC tag, the NFC reader is embedded into detection equipment, and when the connector is connected, the reader immediately acquires tag information and matches with an internal database, so that the connector type is rapidly determined;
the cable conduction measurement module is used for acquiring data by utilizing the high-speed analog-to-digital converter, and then analyzing the data in real time by the built-in data processing unit to generate a conductivity report for a user;
the BOM generation module is used for matching the built-in component database according to the measurement data of the cable by a software algorithm to generate a BOM list;
the cable component detection module is used for identifying components in the cable by injecting current with specific frequency by using a frequency response analysis method;
the automatic drawing module is used for automatically generating a schematic diagram of the cable by using the embedded CAD engine in combination with the results of the cable conduction measurement module and the BOM generation module;
the insulation test module applies preset voltage to the cable by using a high-voltage source with high stability, and judges the insulativity of the cable by using an accurate microampere current measurement technology;
the cable identification module is used for identifying according to a characteristic frequency response curve of the cable based on an advanced frequency spectrum analysis technology;
and a cable fault detection module: and the software is matched with the fault database according to the measurement data of the cable, and fault points are automatically identified and recorded.
The further improvement is that: software in the automatic drawing module allows a user to fine tune or add comments on the drawing through the touch screen.
The further improvement is that: the conduction condition is determined by the high-precision resistance measuring unit and the micro-current source in the cable conduction measuring module.
The further improvement is that: in the cable component detection module, the built-in component characteristic library can be automatically matched according to the analysis result and output corresponding component information.
The further improvement is that: the built-in cable model database in the cable identification module comprises measured electrical parameters and physical characteristics of various cable models.
The further improvement is that: the specific implementation step of the cable identification module is that software is matched with data in a cable model database according to the measurement data of the cable, and the cable model is automatically identified.
The further improvement is that: the cable fault database built in the cable fault detection module comprises common faults, fault reasons, elimination methods and protective measures of various cable types.
The invention also provides a multifunctional cable detection method, which comprises the following steps:
the miniature NFC tag is used as the identifier of the connector, each connector is implanted with a unique NFC tag, the NFC reader is embedded into the detection equipment, and when the connector is accessed, the reader instantly acquires tag information and matches with an internal database, so that the type of the connector is rapidly determined;
the method comprises the steps of utilizing a high-speed analog-to-digital converter to collect data, and then analyzing the data in real time through a built-in data processing unit to generate a conductivity report for a user;
the software algorithm matches the built-in component database according to the measurement data of the cable to generate a BOM list;
identifying components in the cable by injecting a current of a specific frequency using a frequency response analysis method;
combining the results of the cable conduction measurement module and the BOM generation module, and automatically generating a schematic diagram of the cable by using an embedded CAD engine;
applying preset voltage to the cable by using a high-voltage source with high stability, and judging the insulativity of the cable by using an accurate microampere current measurement technology;
the software matches with data in a cable model database according to the measured data of the cable, and automatically identifies the cable model;
and the software is matched with a cable fault database according to the measurement data of the cable, and fault points are automatically identified and recorded.
The further improvement is that: software allows users to fine tune drawings or add comments through the touch screen.
The further improvement is that: the conduction condition is determined by the high-precision resistance measuring unit and the micro-current source in the cable conduction measuring module.
Compared with the prior art, the invention has the beneficial effects that:
compared with the existing cable detection equipment, the equipment has richer and humanized functions, and can automatically generate a BOM list of internal components and parts and draw a cable schematic diagram after the cable is manufactured, so that the equipment is convenient for technicians to check. The conductivity and insulation detection module of the built-in cable improves the working efficiency and the accuracy of measurement results of operators, and the modularized design is convenient for equipment fault detection and elimination.
The invention will be explained in detail below with reference to the drawings and specific embodiments.
Drawings
Fig. 1 is a schematic external view of the present invention.
Detailed Description
In order that the invention may be more fully understood, a more particular description of the invention will be rendered by reference to the appended drawings, in which several embodiments of the invention are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the invention.
Example 1
The present embodiment provides a multifunctional cable detection apparatus including
The connector detection module uses the miniature NFC tags as the identifiers of connectors, each connector is implanted with a unique NFC tag, the NFC reader is embedded into detection equipment, and when the connector is connected, the reader immediately acquires tag information and matches with an internal database, so that the connector type is rapidly determined;
the cable conduction measurement module is used for acquiring data by utilizing the high-speed analog-to-digital converter, and then analyzing the data in real time by the built-in data processing unit to generate a conductivity report for a user;
the BOM generation module is used for matching the built-in component database according to the measurement data of the cable by a software algorithm to generate a BOM list;
the cable component detection module is used for identifying components in the cable by injecting current with specific frequency by using a frequency response analysis method;
the automatic drawing module is used for automatically generating a schematic diagram of the cable by using the embedded CAD engine in combination with the results of the cable conduction measurement module and the BOM generation module;
the insulation test module applies preset voltage to the cable by using a high-voltage source with high stability, and judges the insulativity of the cable by using an accurate microampere current measurement technology;
the cable identification module is used for identifying according to a characteristic frequency response curve of the cable based on an advanced frequency spectrum analysis technology;
and a cable fault detection module: and the software is matched with the fault database according to the measurement data of the cable, and fault points are automatically identified and recorded.
In a preferred embodiment, software in the auto-drawing module allows the user to fine tune or add notes to the drawing via the touch screen.
In a preferred embodiment, the cable conduction measurement module determines conduction through a high-precision resistance measurement unit and a micro-current source.
In the preferred embodiment, in the cable component detection module, the built-in component characteristic library is automatically matched and outputs corresponding component information according to the analysis result.
In a preferred embodiment, the cable model database built in the cable identification module contains measured electrical parameters and physical characteristics of various cable models.
In a preferred embodiment, the specific implementation step of the cable identification module is that the software automatically identifies the cable model by matching the measured data of the cable with data in the cable model database.
In a preferred embodiment, the cable fault database built in the cable fault detection module comprises common faults, fault reasons, elimination methods and protection measures of various cable models.
The cable detection equipment provided by the embodiment has the following beneficial effects:
efficient cable identification and detection: through integrating multiple detection functions, the device can comprehensively diagnose the cable in a short time.
Work efficiency is improved: the time spent by technicians and operators on manual inspection and data recording is reduced.
Accuracy and reliability: by adopting an advanced detection technology, the human error is obviously reduced, and the measurement accuracy is improved.
And (3) generating a comprehensive report: the device can generate comprehensive reports including conductivity, insulation, component lists and the like, and provides comprehensive cable information for technicians.
Extensibility and scalability: the modular design and open software architecture ensures that the device can be easily upgraded and expanded in the future.
Environmental protection and economy: the waste caused by misjudgment is reduced, and meanwhile, the replacement frequency is also reduced due to the long-life design of equipment, so that the economic and environment-friendly dual effects are achieved.
The device adopts a modularized design strategy and consists of a plurality of independent functional modules. Each functional module is independently configured in the internal structure of the device, and the layout of the functional module is similar to that of a drawer type design. When the device is started, the system automatically executes the module integrity self-checking program. If a module fails, the system interface will explicitly prompt "xx module failure". To facilitate maintenance and upgrades, the module design supports quick change: the user only needs to easily take out the fault module from the inside of the device and replace the fault module. Such modular designs aim to improve maintainability, flexibility and long-term use value of the device.
In view of the specific embodiment of the cable detection device, a preferred embodiment is given below, but the present invention is not limited to the following embodiment.
The multifunctional cable detection device comprises the following modules:
1) Connector detection module technical details: the continuity of the current is detected by cycling through the connectors using a tiny current source.
The implementation method comprises the following steps: when the cable connector is connected, the microcontroller judges the integrity and connection stability of the connector by detecting the change of current. If the current interruption or fluctuation exceeds a preset threshold value, the connection is judged to be unstable or the connector is judged to be damaged.
External dimensions: 100mm x 50mm x 25mm
Category: connector interface, current source, ADC
Quantity: 1 connector interface, 1 current source, 1 ADC
2) Technical details of the cable conduction measurement module: an accurate current source is formed by combining the ADC function of the STM32 microcontroller with a digital potentiometer.
The implementation method comprises the following steps: the voltage difference across the cable is measured by a known current source and the conductivity of the cable is calculated using ohm's law.
External dimensions: 120mm x 60mm x 30mm
Category: STM32 microcontroller, digital potentiometer, ADC
Quantity: 1 STM32 microcontroller, 1 digital potentiometer, 1 ADC
3) Technical details of a cable BOM generation module: the software algorithm matches the built-in component database according to the measurement data of the cable. The implementation method comprises the following steps: when the parameters of the components in the cable are measured, the software automatically matches the parameters with the parameters of the components in the database to generate a BOM list.
4) Cable component detection module
1. Resistance measuring module
Technical details: and measuring the voltage by using an accurate constant current source through ohm law, and calculating to obtain the resistance value.
The implementation method comprises the following steps: a constant current source is used to apply a known current to the resistor and then the voltage difference across the resistor is measured by the ADC. And calculating to obtain the resistance value by using ohm's law. In order to improve the accuracy of the measurement, the measurement may be performed at a plurality of different current values and averaged.
Constant current source
Device name: parameters of precise constant current source equipment: the output current is 1 mu A-100mA, and the precision is +/-0.05%
External dimensions: 50mm x 30mm x 15mm
ADC：
Device name: 24-bit ADC
Device parameters: input range is 0-5V, accuracy is + -0.01%
External dimensions: 10mm x 10mm x 3mm
2. Capacitance measuring module
Technical details: and an RC charge-discharge mode is adopted, and the timer function of STM32 is utilized to calculate the RC time constant, so that the capacitance value is obtained.
The implementation method comprises the following steps: the capacitor is connected in series with a known resistor to form an RC circuit. The timer is started and a voltage is applied to the circuit, and the timer is stopped when the voltage reaches a predetermined value. The capacitance value is calculated by measuring the time constant of charge or discharge, in combination with the known resistance value.
A timer:
device name: STM32 built-in timer
Device parameters: timing accuracy 1 mu s
ADC：
Device name: 24-bit ADC
Device parameters: input range is 0-5V, accuracy is + -0.01%
External dimensions: 10mm x 10mm x 3mm
3. Inductance measuring module
Technical details: and constructing an RL circuit by using the known resistor and the known inductor, and calculating to obtain the inductance value by measuring the time constant of the RL circuit.
The implementation method comprises the following steps: the inductor is connected in series with a known resistor to form an RL circuit. The timer is started and a voltage is applied to the circuit, and the timer is stopped when the current reaches a predetermined value. The inductance value is calculated by measuring the time constant of the current rise or fall, in combination with the known resistance value.
A timer:
device name: STM32 built-in timer
Device parameters: timing accuracy 1 mu s
ADC：
Device name: 24-bit ADC
Device parameters: input range is 0-5V, accuracy is + -0.01%
External dimensions: 10mm x 10mm x 3mm
4. Thyristor measuring module
Technical details: the voltage source is used to gradually increase the voltage until the thyristor is triggered, and the triggering voltage at the moment is recorded. At the same time, the holding current, i.e. the minimum current required for the thyristor to remain on, is measured. The implementation method comprises the following steps: gradually increasing the voltage to the thyristor, and monitoring the current in real time by using an ADC. When the current suddenly increases, the thyristor starts to conduct, and the voltage at the moment is the trigger voltage. Then, the current is gradually reduced until the thyristor stops conducting, and the current at this time is the holding current. Adding detailed hardware design to each module, and requiring the hardware design to define the required equipment name, equipment parameters and equipment external dimension
A voltage source:
device name: programmable voltage source
Device parameters: the output voltage range is 0-400V, the precision is +/-0.1%
External dimensions: 70mm x 40mm x 20mm
ADC：
Device name: 24-bit ADC
Device parameters: input range is 0-400V, accuracy is + -0.01%
External dimensions: 10mm x 10mm x 3mm
5) Technical details of a schematic diagram automatic drawing module: an electrical schematic is dynamically generated from the measurement data using a graphics rendering engine. The implementation method comprises the following steps: the software automatically selects corresponding electrical symbols according to the measurement data of the cable, draws the electrical symbols on the interface and marks parameter information on the symbols.
And (3) hardware design: this module is based primarily on software, with no specific hardware design.
6) Insulation test module technical details: and measuring the voltage difference between two ends of the cable by using a high-precision ADC, and judging the insulativity of the cable through a preset threshold value.
The implementation method comprises the following steps: by applying a known voltage to one end of the cable, the voltage at the other end is measured using an ADC, and if the voltage difference exceeds a preset threshold, it is determined that the cable is poor in insulation. External dimensions: 100mm x 50mm x 20mm
Category: high-precision ADC (analog to digital converter), voltage source
Quantity: 1 high-precision ADC,1 voltage source
7) Technical details of the cable identification module: built-in cable model databases contain measured electrical parameters and physical characteristics of various cable models.
The implementation method comprises the following steps: and the software is matched with the data in the database according to the measured data of the cable, and automatically identifies the type of the cable.
8) Technical details of the cable fault detection module: the built-in cable fault database comprises common faults, fault reasons, an elimination method and protective measures of various cable models.
The implementation method comprises the following steps: and the software is matched with the fault database according to the measurement data of the cable, and fault points are automatically identified and recorded.
External dimensions: 150mm x 70mm x 30mm
Category: mass storage unit, data processing unit
Quantity: 1 mass storage unit, 1 data processing unit
Example 2
The embodiment provides a multifunctional cable detection method, which comprises the following steps:
the miniature NFC tag is used as the identifier of the connector, each connector is implanted with a unique NFC tag, the NFC reader is embedded into the detection equipment, and when the connector is accessed, the reader instantly acquires tag information and matches with an internal database, so that the type of the connector is rapidly determined;
the method comprises the steps of utilizing a high-speed analog-to-digital converter to collect data, and then analyzing the data in real time through a built-in data processing unit to generate a conductivity report for a user;
the software algorithm matches the built-in component database according to the measurement data of the cable to generate a BOM list;
identifying components in the cable by injecting a current of a specific frequency using a frequency response analysis method;
combining the results of the cable conduction measurement module and the BOM generation module, and automatically generating a schematic diagram of the cable by using an embedded CAD engine;
applying preset voltage to the cable by using a high-voltage source with high stability, and judging the insulativity of the cable by using an accurate microampere current measurement technology;
the software matches with data in a cable model database according to the measured data of the cable, and automatically identifies the cable model;
and the software is matched with a cable fault database according to the measurement data of the cable, and fault points are automatically identified and recorded.
In a preferred embodiment, the software allows the user to fine tune or add notes to the drawing via the touch screen.
In a preferred embodiment, the cable conduction measurement module determines conduction through a high-precision resistance measurement unit and a micro-current source.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. Multifunctional cable detection equipment, characterized in that it comprises
The connector detection module uses the miniature NFC tags as the identifiers of connectors, each connector is implanted with a unique NFC tag, the NFC reader is embedded into detection equipment, and when the connector is connected, the reader immediately acquires tag information and matches with an internal database, so that the connector type is rapidly determined;
the cable conduction measurement module is used for acquiring data by utilizing the high-speed analog-to-digital converter, and then analyzing the data in real time by the built-in data processing unit to generate a conductivity report for a user;
the BOM generation module is used for matching the built-in component database according to the measurement data of the cable by a software algorithm to generate a BOM list;
the cable component detection module is used for identifying components in the cable by injecting current with specific frequency by using a frequency response analysis method;
the automatic drawing module is used for automatically generating a schematic diagram of the cable by using the embedded CAD engine in combination with the results of the cable conduction measurement module and the BOM generation module;
the insulation test module applies preset voltage to the cable by using a high-voltage source with high stability, and judges the insulativity of the cable by using an accurate microampere current measurement technology;
the cable identification module is used for identifying according to a characteristic frequency response curve of the cable based on an advanced frequency spectrum analysis technology;
and a cable fault detection module: and the software is matched with the fault database according to the measurement data of the cable, and fault points are automatically identified and recorded.
2. The multi-function cable inspection apparatus according to claim 1, wherein: software in the automatic drawing module allows a user to fine tune or add comments on the drawing through the touch screen.
3. The multi-function cable inspection apparatus according to claim 1, wherein: the conduction condition is determined by the high-precision resistance measuring unit and the micro-current source in the cable conduction measuring module.
4. The multi-function cable inspection apparatus according to claim 1, wherein: in the cable component detection module, the built-in component characteristic library can be automatically matched according to the analysis result and output corresponding component information.
5. The multi-function cable inspection apparatus according to claim 1, wherein: the built-in cable model database in the cable identification module comprises measured electrical parameters and physical characteristics of various cable models.
6. The multi-function cable inspection apparatus according to claim 1, wherein: the specific implementation step of the cable identification module is that software is matched with data in a cable model database according to the measurement data of the cable, and the cable model is automatically identified.
7. The multi-function cable inspection apparatus according to claim 1, wherein: the cable fault database built in the cable fault detection module comprises common faults, fault reasons, elimination methods and protective measures of various cable types.
8. The multifunctional cable detection method is characterized by comprising the following steps of:
the miniature NFC tag is used as the identifier of the connector, each connector is implanted with a unique NFC tag, the NFC reader is embedded into the detection equipment, and when the connector is accessed, the reader instantly acquires tag information and matches with an internal database, so that the type of the connector is rapidly determined;
the method comprises the steps of utilizing a high-speed analog-to-digital converter to collect data, and then analyzing the data in real time through a built-in data processing unit to generate a conductivity report for a user;
the software algorithm matches the built-in component database according to the measurement data of the cable to generate a BOM list;
identifying components in the cable by injecting a current of a specific frequency using a frequency response analysis method;
combining the results of the cable conduction measurement module and the BOM generation module, and automatically generating a schematic diagram of the cable by using an embedded CAD engine;
applying preset voltage to the cable by using a high-voltage source with high stability, and judging the insulativity of the cable by using an accurate microampere current measurement technology;
the software matches with data in a cable model database according to the measured data of the cable, and automatically identifies the cable model;
and the software is matched with a cable fault database according to the measurement data of the cable, and fault points are automatically identified and recorded.
9. The method of claim 8, wherein the software allows a user to make fine adjustments to the drawing or add notes via a touch screen.
10. The method of claim 8, wherein the cable conduction measurement module determines the conduction condition by a high-precision resistance measurement unit and a micro current source.
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| CN202311587196.4A CN117607616A (en) | 2023-11-22 | 2023-11-22 | Multifunctional cable detection equipment and method |
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