CN113126003B - Method and device for determining crimping quality of cable - Google Patents
Method and device for determining crimping quality of cable Download PDFInfo
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- CN113126003B CN113126003B CN202010027535.3A CN202010027535A CN113126003B CN 113126003 B CN113126003 B CN 113126003B CN 202010027535 A CN202010027535 A CN 202010027535A CN 113126003 B CN113126003 B CN 113126003B
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Abstract
The embodiment of the application provides a method and a device for determining cable crimping quality, and relates to the technical field of electric appliance detection. The specific implementation scheme is that the electric parameters of the cable crimping part are obtained; the cable crimping part comprises a first end of a cable to be crimped, a cable joint and a first end of an electrical component connected with the cable through the cable joint; the first end of the crimped cable is the end of the crimped cable close to the cable joint, and the first end of the electrical component is the end of the electrical component close to the cable joint; and determining the quality of the cable crimp according to the electrical parameters of the cable crimp part. The embodiment of the application can accurately determine the quality of cable crimping.
Description
Technical Field
The embodiment of the application relates to a method and a device for determining cable crimping quality, in particular to the technical field of electric appliance detection.
Background
With the continuous expansion of the construction scale of data centers, the safe operation of the data centers is more and more important.
Among them, whether the crimping of the cable connector to the cable is loose is an important factor affecting whether the data center is safely operated. At present, in the running process of electric equipment, a thermal imaging scanning or ultrasonic or X-ray mode is generally adopted to determine whether the crimping of the cable connector to the cable is loose or not; and when the electric equipment is not in operation, determining whether the crimping of the cable connector to the cable is loose or not by adopting a manual checking mode. However, the method cannot accurately determine whether the cable connector is loose in crimping of the cable, for example, a thermal imaging scanning mode cannot determine whether the cable connector is loose in crimping of the cable with smaller current.
Disclosure of Invention
The embodiment of the application provides a method and a device for determining the crimping quality of a cable, which can accurately determine whether the crimping of the cable is normal or not and are simple and easy to realize.
In a first aspect, embodiments of the present application provide a method of determining a crimp quality of a cable, comprising: acquiring electrical parameters of the cable crimping part; the cable crimping part comprises a first end of a crimped cable, a cable connector and a first end of an electrical component connected with the cable through the cable connector; the first end of the crimped cable is the end of the crimped cable close to the cable joint, and the first end of the electrical component is the end of the electrical component close to the cable joint; and determining the quality of the cable crimping according to the electrical parameters of the cable crimping part.
In the scheme, the crimping quality of the cable is determined by acquiring the electrical parameters of the cable crimping part. Because the cable crimping looseness greatly affects the electrical parameters of the cable crimping part, the electrical parameters of the cable crimping part are obtained, the cable crimping quality is determined according to the electrical parameters, whether the cable crimping is normal or not can be accurately determined, and the cable crimping is simple and easy to realize.
In an alternative embodiment, the electrical parameter comprises a voltage of the cable crimp; the obtaining electrical parameters of the cable crimping portion includes: acquiring a first voltage signal measured by a first voltage sensor and a second voltage signal measured by a second voltage sensor; the first voltage sensor is electrically connected with the first end of the electrical component, and the second voltage sensor is electrically connected with the first end of the crimped cable; determining a first voltage of a first end of the electrical component from the first voltage signal, and determining a second voltage of a first end of the crimped cable from the second voltage signal; and determining the voltage of the cable crimping part according to the first voltage and the second voltage.
The scheme provides a specific implementation for acquiring the voltage of the cable crimping part.
In an optional implementation manner, the state of the electric equipment corresponding to the cable crimping part is an operation state, and two ends of the cable crimping part are connected with a test power supply; the determining a first voltage of the first end of the electrical component from the first voltage signal comprises: extracting a first sub-voltage signal generated by the test power supply at the first end of the electrical component from the first voltage signal, and determining the first voltage of the first end of the electrical component according to the first sub-voltage signal; the determining a second voltage of the first end of the cable from the second voltage signal includes: and extracting a second sub-voltage signal generated by the test power supply at the first end of the crimped cable from the second voltage signal, and determining the second voltage of the first end of the crimped cable according to the second sub-voltage signal.
The scheme provides a concrete implementation of acquiring the voltage of the cable crimping part when the two ends of the cable crimping part are connected with a test power supply when the state of the electric equipment corresponding to the cable crimping part is an operation state. The method of the scheme can prevent the influence of unstable power supply voltage of the electric equipment corresponding to the cable crimping part on the quality of the cable crimping part.
In an alternative embodiment, the electrical parameter includes a first current at a first end of the electrical component and a second current at a first end of the crimped cable; the obtaining electrical parameters of the cable crimping portion includes: acquiring a first current signal measured by a first current sensor and a second current signal measured by a second current sensor; the first current sensor is sleeved outside the first end of the electrical component, and the second current sensor is sleeved outside the first end of the crimped cable; determining a first current of the first end of the electrical component from the first current signal and determining a second current of the first end of the crimped cable from the second current signal.
The scheme provides a specific implementation for acquiring the current at two ends of the cable crimping part.
In an alternative embodiment, the state of the electric equipment where the cable crimping part is located is a non-operation state, two ends of the cable crimping part are connected with a test power supply, and the voltage at two ends of the cable crimping part is the voltage generated by the test power supply at two ends of the cable crimping part.
In an alternative embodiment, determining the quality of the cable crimp from the electrical parameter of the cable crimp includes: and if the value of each electrical parameter of the cable crimping part is in the corresponding preset range, determining that the cable crimping is normal.
The method for determining the quality of the cable crimping is simple and easy to realize.
In an alternative embodiment, determining the quality of the cable crimp from the electrical parameter of the cable crimp includes: and taking the electrical parameters of the cable crimping part and the attribute information of the cable crimping part as inputs of a machine learning model, and acquiring output of the machine learning model, wherein the output indicates whether the cable crimping is normal or abnormal.
The method of the scheme determines that the quality of the cable crimping is relatively accurate.
In a second aspect, embodiments of the present application provide an apparatus for determining crimp quality of a cable, comprising:
The acquisition module is used for acquiring the electrical parameters of the cable crimping part; the cable crimping part comprises a first end of a crimped cable, a cable connector and a first end of an electrical component connected with the cable through the cable connector; the first end of the crimped cable is the end of the crimped cable close to the cable joint, and the first end of the electrical component is the end of the electrical component close to the cable joint; and the determining module is used for determining the quality of the cable crimping according to the electrical parameters of the cable crimping part.
In an alternative embodiment, the electrical parameter comprises a voltage of the cable crimp; the acquisition module is specifically configured to: acquiring a first voltage signal measured by a first voltage sensor and a second voltage signal measured by a second voltage sensor; the first voltage sensor is electrically connected with the first end of the electrical component, and the second voltage sensor is electrically connected with the first end of the crimped cable; determining a first voltage of a first end of the electrical component from the first voltage signal, and determining a second voltage of a first end of the crimped cable from the second voltage signal; and determining the voltage of the cable crimping part according to the first voltage and the second voltage.
In an alternative embodiment, the electrical parameter includes a first current at a first end of the electrical component and a second current at a first end of the crimped cable; the acquisition module is specifically configured to: acquiring a first current signal measured by a first current sensor and a second current signal measured by a second current sensor; the first current sensor is sleeved outside the first end of the electrical component, and the second current sensor is sleeved outside the first end of the crimped cable; determining a first current of the first end of the electrical component from the first current signal and determining a second current of the first end of the crimped cable from the second current signal.
In an alternative embodiment, the determining module is specifically configured to: and if the value of each electrical parameter of the cable crimping part is in the corresponding preset range, determining that the cable crimping is normal.
In an alternative embodiment, the determining module is specifically configured to: and taking the electrical parameters of the cable crimping part and the attribute information of the cable crimping part as inputs of a machine learning model, and acquiring output of the machine learning model, wherein the output indicates whether the cable crimping is normal or abnormal.
In a third aspect, an embodiment of the present application provides an electronic device, including: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of the first aspect or any one of the possible implementations of the first aspect.
In a fourth aspect, embodiments of the present application provide a system for determining crimp quality of a cable, comprising: a first voltage sensor, a second voltage sensor, a cable crimp, and the electronic device of claim 13; the first voltage sensor is electrically connected with the first end of the electrical component and the electronic equipment respectively, and the second voltage sensor is electrically connected with the first end of the crimped cable and the electronic equipment respectively.
In an alternative embodiment, the system further comprises: a first current sensor and a second current sensor; the first current sensor is sleeved outside the first end of the electrical component, and the second current sensor is sleeved outside the first end of the crimped cable
In an alternative embodiment, the system further comprises: testing a power supply; the test power supply is electrically connected to the first end of the electrical component and the first end of the crimped cable, respectively.
In a fifth aspect, the present application provides a non-transitory computer readable storage medium storing computer instructions for causing a computer to perform the method of the first aspect and any one of the possible designs of the first aspect.
In a sixth aspect, the present application provides a computer program product comprising: a computer program stored in a readable storage medium, from which a processor of an electronic device determining a cable crimp quality method can read, the at least one processor executing the computer program causing the electronic device determining a cable crimp quality method to perform the method of the first aspect.
One embodiment of the above application has the following advantages or benefits: whether the cable crimping is normal or not can be accurately determined, and the method is simple and easy to realize. Because the electrical parameters of the cable crimping part are obtained, and the technical means of determining the quality of cable crimping is carried out according to the electrical parameters of the cable crimping part, the technical problem that the crimping quality of the cable connector to the cable cannot be accurately judged in the prior art is solved, and the technical effect of accurately determining whether the cable crimping is normal is ensured.
Other effects of the above alternative will be described below in connection with specific embodiments.
Drawings
The drawings are for better understanding of the present solution and do not constitute a limitation of the present application. Wherein:
FIG. 1 is a schematic illustration of a cable crimp;
FIG. 2 is a flow chart of a method of determining crimp quality of a cable provided in an embodiment of the present application;
FIG. 3 is a flow chart of obtaining electrical parameters of a cable crimp according to an embodiment of the present application;
FIG. 4 is a schematic diagram I of a system for determining crimp quality of a cable provided in an embodiment of the present application;
FIG. 5 is a schematic diagram II of a system for determining crimp quality of a cable according to an embodiment of the present application;
FIG. 6 is a flow chart of obtaining electrical parameters of a cable crimp provided in another embodiment of the present application;
FIG. 7 is a schematic diagram III of a system for determining crimp quality of a cable provided in an embodiment of the present application;
FIG. 8 is a schematic diagram IV of a system for determining crimp quality of a cable provided in an embodiment of the present application;
FIG. 9 is a schematic diagram fifth embodiment of a system for determining crimp quality of a cable provided by the present application;
FIG. 10 is a schematic diagram six of a system for determining crimp quality of a cable provided in an embodiment of the present application;
fig. 11 is a schematic structural view of an apparatus for determining crimping quality of a cable according to an embodiment of the present application;
Fig. 12 is a block diagram of an electronic device for implementing a method of determining cable crimp quality in accordance with an embodiment of the present application.
Detailed Description
Exemplary embodiments of the present application are described below in conjunction with the accompanying drawings, which include various details of the embodiments of the present application to facilitate understanding, and should be considered as merely exemplary. Accordingly, one of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the present application. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.
In the present application, "at least one" means one or more, and "a plurality" means two or more. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a alone, a and B together, and B alone, wherein a, B may be singular or plural. The character "/" generally indicates that the context-dependent object is an "or" relationship. "at least one of" or the like means any combination of these items, including any combination of single item(s) or plural items(s). For example, at least one (one) of a, b, or c may represent: a, b, c, a-b, a-c, b-c, or a-b-c, wherein a, b, c may be single or plural. The terms "first," "second," and the like in this application are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.
First, elements related to the present application will be described.
Cable crimping part: the cable crimping part comprises a first end of a crimped cable, a cable connector and a first end of an electrical component connected with the cable through the cable connector; the first end of the crimped cable is the end of the crimped cable close to the cable joint, and the first end of the electrical component is the end of the electrical component close to the cable joint. The first end of the crimped cable, i.e. the second end of the cable crimp, the first end of the electrical component, i.e. the first end of the cable crimp. Wherein the electrical components connected with the cable include, but are not limited to, any of the following: cable, copper plate, electrical equipment. A schematic view of the cable crimp portion may be shown in fig. 1, and referring to fig. 1, 11 is a second end of the cable crimp portion, 12 is a second end of the cable crimp portion, and 13 is a cable connector.
The invention is characterized in that the electrical parameters of the cable crimping part are measured, and the cable crimping quality is determined according to whether the electrical parameters of the cable crimping part are normal or not. Because the cable crimping looseness greatly affects the electrical parameters of the cable crimping part, the electrical parameters of the cable crimping part are obtained, the cable crimping quality is determined according to the electrical parameters, whether the cable crimping is normal or not can be accurately determined, and the cable crimping is simple and easy to realize.
The method for determining the crimping quality of the cable provided in the embodiment of the application is described below by using specific examples.
Fig. 2 is a flowchart of a method for determining a crimping quality of a cable according to an embodiment of the present application, and referring to fig. 2, the method of the present embodiment includes:
step S201, obtaining electrical parameters of a cable crimping part; the cable crimping part comprises a first end of a crimped cable, a cable connector and a first end of an electrical component connected with the cable through the cable connector; the first end of the crimped cable is the end of the crimped cable close to the cable joint, and the first end of the electrical component is the end of the electrical component close to the cable joint.
In one version, the electrical parameter includes a voltage of the cable crimp. Corresponding to such an arrangement, the electrical parameter of the cable crimp is obtained as the voltage of the cable crimp.
In another aspect, the electrical parameter includes current across the cable crimp: the current at the first end of the cable crimping part and the current at the second end of the cable crimping part. Corresponding to this solution, the electrical parameter of the cable crimp is obtained as the current across the cable crimp.
The first end of the electrical component included in the cable crimping portion is the first end of the cable crimping portion, and the first end of the crimped cable included in the cable crimping portion is the second end of the cable crimping portion. The first ends of the cable crimping portions which appear subsequently are all the first ends of the electrical components included in the cable crimping portions, and the second ends of the cable crimping portions are all the first ends of the crimped cables included in the cable crimping portions.
In yet another aspect, the electrical parameters include a voltage of the cable crimp and a current across the cable crimp. Corresponding to such an arrangement, the electrical parameters of the cable crimp are obtained as the current across the cable crimp and the voltage of the cable crimp.
Step S202, determining the quality of cable crimping according to the electrical parameters of the cable crimping part.
Two possible implementations of determining the quality of the cable crimp based on the electrical parameters of the cable crimp are described below, it being understood that the following two possible implementations are by way of example only.
In a first possible implementation, determining a quality of the cable crimp from an electrical parameter of the cable crimp includes: and if the value of each electrical parameter of the cable crimping part is in the corresponding preset range, determining that the cable crimping is normal.
And if the measured value of each electrical parameter of the cable crimping part is within the corresponding preset range, determining that the cable crimping is normal.
Illustratively, the measured electrical parameter of the cable crimp includes a voltage of the cable crimp, a current at a first end of the cable crimp, and a current at a second end of the cable crimp. Judging whether the voltage of the cable crimping part is in a first preset range or not, wherein the first preset range is a value range of the voltage of the cable crimping part when the cable crimping part is used for crimping the cable normally, which is obtained through a large number of tests in advance; judging whether the current at the first end of the cable crimping part is in a second preset range or not, wherein the second preset range is a value range of the current at the first end of the cable crimping part when the cable crimping part is used for crimping the cable normally, which is obtained through a large number of tests in advance; and judging whether the current at the second end of the cable press-connection part is in a third preset range or not, wherein the third preset range is a value range of the current at the second end of the cable press-connection part when the cable press-connection part presses the cable normally, which is obtained through a large number of tests in advance. If yes, the cable is determined to be normally crimped.
The first possible implementation is simple and easy to implement.
In a second possible implementation, determining the quality of the cable crimp from the electrical parameter of the cable crimp includes: and taking the electrical parameters of the cable crimping part and the attribute information of the cable crimping part as inputs of a machine learning model, acquiring output of the machine learning model, and outputting an instruction for normal or abnormal cable crimping.
Wherein the attribute information of the cable crimp portion may include: the size, material, electrical conductivity of the cable connector, the size, material, electrical conductivity of the cable being crimped, and the size, material, electrical conductivity, etc. of the first end of the electrical component connected to the cable through the cable connector.
The machine learning model in this embodiment may be a neural network model, a decision tree model, etc., and will not be described herein. The cable crimp anomaly may be a cable connector to cable crimp looseness.
The second possible implementation determines a relatively accurate quality of the cable crimp.
Alternatively, after the quality of the cable crimp is determined according to the electrical parameter of the cable crimp, the quality of the cable crimp may be determined again in other manners to verify whether the quality of the cable crimp is accurate according to the electrical parameter of the cable crimp. Other means may be thermal imaging methods.
In this embodiment, the crimp quality of the cable is determined by acquiring the electrical parameters of the cable crimp portion. Because the cable crimping looseness greatly affects the electrical parameters of the cable crimping part, the electrical parameters of the cable crimping part are obtained, the cable crimping quality is determined according to the electrical parameters, whether the cable crimping is normal or not can be accurately determined, and the cable crimping is simple and easy to realize.
The specific implementation of obtaining electrical parameters of the cable crimp in the embodiment shown in fig. 2 is described below using several specific embodiments.
Fig. 3 is a flowchart for obtaining electrical parameters of a cable crimp according to an embodiment of the present disclosure. The electrical parameter of the cable crimp includes the voltage of the cable crimp. Referring to fig. 3, the method of the present embodiment includes:
step S301, a first voltage signal measured by a first voltage sensor and a second voltage signal measured by a second voltage sensor are obtained; the first voltage sensor is electrically connected to the first end of the cable crimping portion, and the second voltage sensor is electrically connected to the second end of the cable crimping portion.
Because the first voltage sensor is electrically connected with the first end of the cable crimping part, the first voltage signal measured by the first voltage sensor is the voltage signal of the first end of the cable crimping part, and the first voltage sensor sends the measured first voltage signal to the device for determining the crimping quality of the cable. Because the second voltage sensor is electrically connected with the second end of the cable crimping part, the second voltage signal measured by the second voltage sensor is the voltage signal of the second end of the cable crimping part, and the second voltage sensor sends the measured second voltage signal to the device for determining the crimping quality of the cable. The device for determining the crimping quality of the cable acquires a first voltage signal measured by a first voltage sensor and a second voltage signal measured by a second voltage sensor.
Step S302, determining a first voltage of a first end of the cable crimping part according to the first voltage signal, and determining a second voltage of the first end of the cable according to the second voltage signal.
Wherein determining the first voltage at the first end of the cable crimp portion from the first voltage signal and determining the second voltage at the second end of the cable crimp portion from the second voltage signal may be accomplished by, but is not limited to, the following:
in the first mode, if the state of the electric device corresponding to the cable crimping portion is an operation state, the test power supply may not be separately connected to both ends of the cable crimping portion.
Accordingly, determining a first voltage of a first end of the cable crimp portion from the first voltage signal, and determining a second voltage of a second end of the cable crimp portion from the second voltage signal, comprises: and determining the voltage corresponding to the first voltage signal as the first voltage of the first end of the cable crimping part, and determining the voltage corresponding to the second voltage signal as the second voltage of the second end of the cable crimping part.
Because the state of the electric equipment corresponding to the cable crimping part is an operation state, and the two ends of the cable crimping part are not separately connected with the test power supply, the voltage signal obtained by the voltage sensor is the voltage signal corresponding to the power supply of the electric equipment corresponding to the cable crimping part, and the voltage corresponding to the first voltage signal can be determined to be the first voltage of the first end of the cable crimping part, and the voltage corresponding to the second voltage signal is determined to be the second voltage of the second end of the cable crimping part. The power supply is the power supply of the electric equipment corresponding to the cable crimping part.
The system for determining the crimp quality of the cable according to the first mode may be shown in fig. 4, referring to fig. 4, and the system for determining the crimp quality of the cable includes a cable crimp portion, a first voltage sensor 41, a second voltage sensor 42, and a device 45 for determining the crimp quality of the cable. Wherein the first voltage sensor 41 is electrically connected to the first end 11 of the cable crimp and the means for determining the quality of the cable crimp 45, respectively, and the second voltage sensor 42 is electrically connected to the second end 12 of the cable crimp and the means for determining the quality of the cable crimp 45, respectively.
The system for determining the crimping quality of the cable corresponding to the first mode is simple.
In the second mode, if the state of the electric device corresponding to the cable crimping portion is an operation state but the power supply of the electric device corresponding to the cable crimping portion is unstable, the test power supply may be connected to both ends of the cable crimping portion.
Accordingly, determining a first voltage of the first end of the cable crimp from the first voltage signal includes: a first sub-voltage signal generated by the test power supply at the first end of the cable crimping portion is extracted from the first voltage signal, and a first voltage of the first end of the cable crimping portion is determined according to the first sub-voltage signal.
Determining a second voltage at a second end of the cable crimp from the second voltage signal, comprising: and extracting a second sub-voltage signal generated by the test power supply at the second end of the cable crimping part from the second voltage signal, and determining the second voltage of the second end of the cable crimping part according to the second sub-voltage signal.
Because the two ends of the cable crimping part are connected with the test power supply, and the power supply of the electric equipment corresponding to the cable crimping part is also supplying power to maintain the operation state of the electric equipment corresponding to the cable crimping part, the voltage sensor measures the voltage signal corresponding to the test power supply and the voltage signal corresponding to the power supply, and the voltage signal corresponding to the test power supply needs to be extracted from the voltage signal measured by the voltage sensor. Since the waveform of the test voltage is preset, the voltage signal corresponding to the test power supply can be extracted from the voltage signal measured by the voltage sensor, and the current general method can be referred to specifically, and will not be described here again.
A second way of determining the quality of a cable crimp is shown in fig. 5, and referring to fig. 5, the system for determining the quality of a cable crimp includes a cable crimp, a first voltage sensor 41, a second voltage sensor 42, a device 45 for determining the quality of a cable crimp, and a test power supply 46. Wherein the first voltage sensor 41 is electrically connected to the first end 11 of the cable crimp and the means for determining the quality of the cable crimp 45, respectively, and the second voltage sensor 42 is electrically connected to the second end 12 of the cable crimp and the means for determining the quality of the cable crimp 45, respectively. The test power source 46 is electrically connected to the first end 11 of the cable crimp and the second end 12 of the cable crimp, respectively.
The second mode can prevent the influence of unstable power supply of electric equipment corresponding to the cable crimping part on the result of determining the cable crimping quality, and the accurate cable crimping quality can be obtained.
In the third mode, if the state of the electric device corresponding to the cable crimping portion is a non-operation state, the two ends of the cable crimping portion need to be separately connected with a test power supply.
Accordingly, determining a first voltage of a first end of the cable crimp portion from the first voltage signal, and determining a second voltage of a second end of the cable crimp portion from the second voltage signal, comprises: and determining the voltage corresponding to the first voltage signal as the first voltage of the first end of the cable crimping part, and determining the voltage corresponding to the second voltage signal as the second voltage of the second end of the cable crimping part.
Because the state of the electric equipment corresponding to the cable crimping part is the non-operation state, the power supply of the electric equipment corresponding to the cable crimping part does not supply power to the electric equipment corresponding to the cable crimping part, the voltage signal obtained by the voltage sensor is the voltage signal corresponding to the test power supply, the voltage corresponding to the first voltage signal can be determined to be the first voltage of the first end of the cable crimping part, and the voltage corresponding to the second voltage signal is determined to be the second voltage of the second end of the cable crimping part.
A third way of determining the quality of the cable crimp is shown in fig. 5.
Step S303, determining the voltage of the cable crimping part according to the first voltage and the second voltage.
The absolute value of the difference between the first voltage and the second voltage is the voltage of the cable crimping part.
A specific implementation of acquiring the voltage of the cable crimp is provided in this embodiment.
Fig. 6 is a flowchart for obtaining electrical parameters of a cable crimp portion according to another embodiment of the present application. The electrical parameter of the present embodiment related to the cable crimp includes the current across the cable crimp. Referring to fig. 6, the method of the present embodiment includes:
step S601, a first current signal measured by a first current sensor and a second current signal measured by a second current sensor are obtained; the first current sensor is sleeved outside the first end of the cable crimping part, and the second current sensor is sleeved outside the second end of the cable crimping part.
Because the first current sensor is sleeved outside the first end of the cable crimping part, the first current sensor measures a current signal of the first end of the cable crimping part, and the first current sensor sends the measured first current signal to a device for determining the crimping quality of the cable; since the second current sensor is sleeved outside the second end of the cable crimping part, the second current sensor measures a current signal of the second end of the cable crimping part, and the second current sensor sends the measured second current signal to the device for determining the crimping quality of the cable. The device for determining the crimping quality of the cable acquires a first current signal measured by a first current sensor and a second current signal measured by a second current sensor.
Step S602, determining a first current of a first end of the cable crimping portion according to the first current signal, and determining a second current of a second end of the cable crimping portion according to the second current signal.
Wherein determining the first current of the first end of the cable crimp portion from the first current signal and determining the second current of the second end of the cable crimp portion from the second current signal may be accomplished by, but is not limited to, the following:
in the first mode, if the state of the electric device corresponding to the cable crimping portion is an operation state, the test power supply may not be separately connected to both ends of the cable crimping portion.
Accordingly, determining a first current at a first end of the cable crimp portion from the first current signal, and determining a second current at a second end of the cable crimp portion from the second current signal, comprises: and determining the current corresponding to the first current signal as the first current of the first end of the cable crimping part, and determining the current corresponding to the second current signal as the second current of the second end of the cable crimping part.
Because the state of the electric equipment corresponding to the cable crimping part is an operation state, and the two ends of the cable crimping part are not separately connected with the test power supply, the current signal obtained by the measurement of the current sensor is the current signal corresponding to the power supply of the electric equipment corresponding to the cable crimping part, and the current corresponding to the first current signal can be determined to be the first current of the first end of the cable crimping part, and the current corresponding to the second current signal is determined to be the second current of the second end of the cable crimping part.
The system for determining the crimp quality of a cable according to the first mode may be shown in fig. 7, referring to fig. 7, and the system for determining the crimp quality of a cable includes a cable crimp portion, a first current sensor 43, a second current sensor 44, and a device 45 for determining the crimp quality of a cable. Wherein a first current sensor 43 is sleeved outside the first end 11 of the cable crimp and is electrically connected to a device 45 for determining the quality of the cable crimp, and a second current sensor 44 is sleeved outside the second end 12 of the cable crimp and is electrically connected to a device 45 for determining the quality of the cable crimp.
The system for determining the crimping quality of the cable corresponding to the first mode is simple.
In the second mode, if the state of the electric device corresponding to the cable crimping portion is an operation state but the power supply of the electric device corresponding to the cable crimping portion is unstable, the test power supply may be connected to both ends of the cable crimping portion.
Accordingly, determining a first current of the first end of the cable crimp from the first current signal includes: a first sub-current signal generated by the test power supply at the first end of the cable crimp portion is extracted from the first current signal, and a first current of the first end of the cable crimp portion is determined according to the first sub-current signal.
Determining a second current at a second end of the cable crimp from the second current signal, comprising: and extracting a second sub-current signal generated by the test power supply at the second end of the cable crimping part from the second current signal, and determining the second current of the second end of the cable crimping part according to the second sub-current signal.
Because the two ends of the cable crimping part are connected with the test power supply, and the power supply of the electric equipment corresponding to the cable crimping part is also supplied with power to keep the operation state of the electric equipment corresponding to the cable crimping part, the current sensor measures the current signals corresponding to the test power supply and the current signals corresponding to the power supply, and the current signals corresponding to the test power supply are required to be extracted from the current signals measured by the current sensor. The method for extracting the current signal corresponding to the test power supply from the current signal obtained by measuring the current sensor can be referred to the current general method, and will not be described herein.
A second way of determining the quality of a cable crimp is shown in fig. 8, and referring to fig. 8, the system for determining the quality of a cable crimp includes a cable crimp, a first current sensor 43, a second current sensor 44, a device 45 for determining the quality of a cable crimp, and a test power supply 46. Wherein a first current sensor 43 is sleeved outside the first end 11 of the cable crimp and is electrically connected to a device 45 for determining the quality of the cable crimp, and a second current sensor 44 is sleeved outside the second end 12 of the cable crimp and is electrically connected to a device 45 for determining the quality of the cable crimp. The test power source 46 is electrically connected to the first end 11 of the cable crimp and the second end 12 of the cable crimp, respectively.
The second mode can prevent the influence of unstable power supply of electric equipment corresponding to the cable crimping part on the result of determining the cable crimping quality, and the accurate cable crimping quality can be obtained.
In the third mode, if the state of the electric device corresponding to the cable crimping portion is a non-operation state, the two ends of the cable crimping portion need to be separately connected with a test power supply.
Accordingly, determining a first current at a first end of the cable crimp portion from the first current signal, and determining a second current at a second end of the cable crimp portion from the second current signal, comprises: and determining the current corresponding to the first current signal as the first current of the first end of the cable crimping part, and determining the current corresponding to the second current signal as the second current of the second end of the cable crimping part.
Because the state of the electric equipment corresponding to the cable crimping part is the non-operation state, the power supply of the electric equipment corresponding to the cable crimping part does not supply power to the electric equipment corresponding to the cable crimping part, the current signal obtained by the current sensor is the current signal corresponding to the test power supply, the current corresponding to the first current signal can be determined to be the first current of the first end of the cable crimping part, and the current corresponding to the second current signal is determined to be the second current of the second end of the cable crimping part.
A third way of determining the quality of the cable crimp is shown in fig. 8.
Another specific implementation of obtaining a cable crimp is provided in this embodiment.
The method of obtaining the voltage of the cable crimping portion is explained above by the embodiments shown in fig. 3 to 5, and the method of obtaining the current across the cable crimping portion is explained by the embodiments shown in fig. 6 to 8, and when the electrical parameters of the cable crimping portion include the voltage of the cable crimping portion and the current across the cable crimping portion, the method of obtaining the electrical parameters of the cable crimping portion may include the method of obtaining the voltage of the cable crimping portion in the embodiment shown in fig. 3 and the method of obtaining the current across the cable crimping portion in the embodiment shown in fig. 6. Accordingly, a system for determining the crimp quality of a cable may be as shown in fig. 9 or 10. Referring to fig. 9, the system for determining the quality of cable crimp includes a cable crimp, a first voltage sensor 41, a second voltage sensor 42, a first current sensor 43, a second current sensor 44, and a device 45 for cable crimp quality. Wherein the first voltage sensor 41 is electrically connected to the first end 11 of the cable crimp and the means for determining the quality of the cable crimp 45, respectively, and the second voltage sensor 42 is electrically connected to the second end 12 of the cable crimp and the means for determining the quality of the cable crimp 45, respectively. The first current sensor 43 is sleeved outside the first end 11 of the cable crimp and is electrically connected to the means 45 for determining the quality of the cable crimp, and the second current sensor 44 is sleeved outside the second end 12 of the cable crimp and is electrically connected to the means 45 for determining the quality of the cable crimp.
Referring to fig. 10, the system for determining the quality of cable crimp includes a cable crimp, a first voltage sensor 41, a second voltage sensor 42, a first current sensor 43, a second current sensor 44, a device 45 for cable crimp quality, and a test power source 46. Wherein the first voltage sensor 41 is electrically connected to the first end 11 of the cable crimp and the means for determining the quality of the cable crimp 45, respectively, and the second voltage sensor 42 is electrically connected to the second end 12 of the cable crimp and the means for determining the quality of the cable crimp 45, respectively. The first current sensor 43 is sleeved outside the first end 11 of the cable crimp and is electrically connected to the means 45 for determining the quality of the cable crimp, and the second current sensor 44 is sleeved outside the second end 12 of the cable crimp and is electrically connected to the means 45 for determining the quality of the cable crimp. The test power source 46 is electrically connected to the first end 11 of the cable crimp and the second end 12 of the cable crimp, respectively.
The method for determining the crimping quality of the cable provided by the application is described above, and the task processing device provided by the application is described below.
Fig. 11 is a schematic structural diagram of an apparatus for determining crimping quality of a cable according to an embodiment of the present application, and as shown in fig. 11, the apparatus of the present embodiment may include: an acquisition module 1101 and a control module 1102.
An acquisition module 1101 for acquiring electrical parameters of the cable crimp portion; the cable crimping part comprises a first end of a crimped cable, a cable connector and a first end of an electrical component connected with the cable through the cable connector; the first end of the crimped cable is the end of the crimped cable close to the cable joint, and the first end of the electrical component is the end of the electrical component close to the cable joint; a determining module 1102 for determining a quality of the cable crimp based on an electrical parameter of the cable crimp.
In an alternative embodiment, the electrical parameter comprises a voltage of the cable crimp; the obtaining module 1101 is specifically configured to: acquiring a first voltage signal measured by a first voltage sensor and a second voltage signal measured by a second voltage sensor; the first voltage sensor is electrically connected with the first end of the electrical component, and the second voltage sensor is electrically connected with the first end of the crimped cable; determining a first voltage of a first end of the electrical component from the first voltage signal, and determining a second voltage of a first end of the crimped cable from the second voltage signal; and determining the voltage of the cable crimping part according to the first voltage and the second voltage.
In an optional implementation manner, the state of the electric equipment corresponding to the cable crimping part is an operation state, and two ends of the cable crimping part are connected with a test power supply; the obtaining module 1101 is specifically configured to: extracting a first sub-voltage signal generated by the test power supply at the first end of the electrical component from the first voltage signal, and determining the first voltage of the first end of the electrical component according to the first sub-voltage signal; and extracting a second sub-voltage signal generated by the test power supply at the first end of the crimped cable from the second voltage signal, and determining a second voltage of the first end of the crimped cable according to the second sub-voltage signal.
In an alternative embodiment, the electrical parameter includes a first current at a first end of the electrical component and a second current at a first end of the crimped cable; the obtaining module 1001 is specifically configured to: acquiring a first current signal measured by a first current sensor and a second current signal measured by a second current sensor; the first current sensor is sleeved outside the first end of the electrical component, and the second current sensor is sleeved outside the first end of the crimped cable; determining a first current of the first end of the electrical component from the first current signal and determining a second current of the first end of the crimped cable from the second current signal.
In an alternative embodiment, the determining module 1102 is specifically configured to: and if the value of each electrical parameter of the cable crimping part is in the corresponding preset range, determining that the cable crimping is normal.
In an alternative embodiment, the determining module 1102 is specifically configured to: and taking the electrical parameters of the cable crimping part and the attribute information of the cable crimping part as inputs of a machine learning model, and acquiring output of the machine learning model, wherein the output indicates whether the cable crimping is normal or abnormal.
The device of the present embodiment may be used to execute the technical solution of the foregoing method embodiment, and its implementation principle and technical effects are similar, and are not described herein again.
According to embodiments of the present application, an electronic device and a readable storage medium are also provided.
According to an embodiment of the present application, there is also provided a computer program product comprising: a computer program stored in a readable storage medium, from which the computer program can be read by at least one processor of an electronic device for determining a cable crimp quality method, the at least one processor executing the computer program causing the electronic device for determining a cable crimp quality method to perform the solution provided by any of the embodiments described above.
As shown in fig. 12, a block diagram of an electronic device implementing the method of determining cable crimp quality according to an embodiment of the present application is shown. Electronic devices are intended to represent various forms of digital computers, such as laptops, desktops, workstations, personal digital assistants, servers, blade servers, mainframes, and other appropriate computers. The electronic device may also represent various forms of mobile devices, such as personal digital processing, cellular telephones, smartphones, wearable devices, and other similar computing devices. The components shown herein, their connections and relationships, and their functions, are meant to be exemplary only, and are not meant to limit implementations of the application described and/or claimed herein.
As shown in fig. 12, the electronic device includes: one or more processors 1201, memory 1202, and interfaces for connecting the various components, including a high-speed interface and a low-speed interface. The various components are interconnected using different buses and may be mounted on a common motherboard or in other manners as desired. The processor may process instructions executing within the electronic device, including instructions stored in or on memory to display graphical information of the GUI on an external input/output device, such as a display device coupled to the interface. In other embodiments, multiple processors and/or multiple buses may be used, if desired, along with multiple memories and multiple memories. Also, multiple electronic devices may be connected, each providing a portion of the necessary operations (e.g., as a server array, a set of blade servers, or a multiprocessor system). One processor 1201 is illustrated in fig. 12.
The memory 1202 is used as a non-transitory computer readable storage medium for storing non-transitory software programs, non-transitory computer executable programs, and modules, such as program instructions/modules (e.g., the acquisition module 1101 and the control module 1102 shown in fig. 11) corresponding to the method for determining the crimp quality of a cable in the embodiments of the present application. The processor 1201 performs various functional applications of the server and data processing, i.e., implements the method of determining cable crimp quality in the above-described method embodiments, by running non-transitory software programs, instructions, and modules stored in the memory 1202.
The electronic device implementing the method of determining the crimp quality of a cable may further comprise: an input device 1203 and an output device 1204. The processor 1201, the memory 1202, the input device 1203, and the output device 1204 may be connected by a bus or otherwise, for example in fig. 12.
The input device 1203 may receive entered numeric or character information and generate key signal inputs related to user settings and function controls of the electronic device implementing the method of determining cable crimp quality, such as input devices for a touch screen, keypad, mouse, trackpad, touch pad, pointer stick, one or more mouse buttons, trackball, joystick, and the like. The output device 1204 may include a display apparatus, auxiliary lighting devices (e.g., LEDs), and haptic feedback devices (e.g., vibration motors), among others. The display device may include, but is not limited to, a Liquid Crystal Display (LCD), a Light Emitting Diode (LED) display, and a plasma display. In some implementations, the display device may be a touch screen.
Various implementations of the systems and techniques described here can be realized in digital electronic circuitry, integrated circuitry, application specific ASIC (application specific integrated circuit), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include: implemented in one or more computer programs, the one or more computer programs may be executed and/or interpreted on a programmable system including at least one programmable processor, which may be a special purpose or general-purpose programmable processor, that may receive data and instructions from, and transmit data and instructions to, a storage system, at least one input device, and at least one output device.
These computing programs (also referred to as programs, software applications, or code) include machine instructions for a programmable processor, and may be implemented in a high-level procedural and/or object-oriented programming language, and/or in assembly/machine language. As used herein, the terms "machine-readable medium" and "computer-readable medium" refer to any computer program product, apparatus, and/or device (e.g., magnetic discs, optical disks, memory, programmable Logic Devices (PLDs)) used to provide machine instructions and/or data to a programmable processor, including a machine-readable medium that receives machine instructions as a machine-readable signal. The term "machine-readable signal" refers to any signal used to provide machine instructions and/or data to a programmable processor.
To provide for interaction with a user, the systems and techniques described here can be implemented on a computer having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to a user; and a keyboard and pointing device (e.g., a mouse or trackball) by which a user can provide input to the computer. Other kinds of devices may also be used to provide for interaction with a user; for example, feedback provided to the user may be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form, including acoustic input, speech input, or tactile input.
The systems and techniques described here can be implemented in a computing system that includes a background component (e.g., as a data server), or that includes a middleware component (e.g., an application server), or that includes a front-end component (e.g., a user computer having a graphical user interface or a web browser through which a user can interact with an implementation of the systems and techniques described here), or any combination of such background, middleware, or front-end components. The components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: local Area Networks (LANs), wide Area Networks (WANs), and the internet.
The computer system may include a client and a server. The client and server are typically remote from each other and typically interact through a communication network. The relationship of client and server arises by virtue of computer programs running on the respective computers and having a client-server relationship to each other.
In the method, the crimping quality of the cable is determined by acquiring the electrical parameters of the cable crimping part. Because the cable crimping looseness greatly affects the electrical parameters of the cable crimping part, the electrical parameters of the cable crimping part are obtained, the cable crimping quality is determined according to the electrical parameters, whether the cable crimping is normal or not can be accurately determined, and the cable crimping is simple and easy to realize.
It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps described in the present application may be performed in parallel, sequentially, or in a different order, provided that the desired results of the technical solutions disclosed in the present application can be achieved, and are not limited herein.
The above embodiments do not limit the scope of the application. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application are intended to be included within the scope of the present application.
Claims (15)
1. A method of determining the crimp quality of a cable, comprising:
acquiring electrical parameters of the cable crimping part; the cable crimping part comprises a first end of a crimped cable, a cable connector and a first end of an electrical component connected with the cable through the cable connector; the first end of the crimped cable is the end of the crimped cable close to the cable joint, and the first end of the electrical component is the end of the electrical component close to the cable joint; wherein the electrical parameter comprises a voltage of the cable crimp and/or a first current of a first end of the electrical component and a second current of a first end of the crimped cable;
Determining the quality of the cable crimp according to the electrical parameters of the cable crimp;
when the state of the electric equipment where the cable crimping part is positioned is a non-running state, two ends of the cable crimping part are connected with a test power supply;
when the state of the electric equipment corresponding to the cable crimping part is an operation state but the power supply of the electric equipment corresponding to the cable crimping part is unstable, connecting test power supplies at two ends of the cable crimping part.
2. The method of claim 1, wherein when the electrical parameter comprises a voltage of the cable crimp, the obtaining the electrical parameter of the cable crimp comprises:
acquiring a first voltage signal measured by a first voltage sensor and a second voltage signal measured by a second voltage sensor; the first voltage sensor is electrically connected with the first end of the electrical component, and the second voltage sensor is electrically connected with the first end of the crimped cable;
determining a first voltage of a first end of the electrical component from the first voltage signal, and determining a second voltage of a first end of the crimped cable from the second voltage signal;
And determining the voltage of the cable crimping part according to the first voltage and the second voltage.
3. The method of claim 2, wherein when the state of the electrical device corresponding to the cable crimping portion is an operation state, and both ends of the cable crimping portion are connected with a test power source;
the determining a first voltage of the first end of the electrical component from the first voltage signal comprises: extracting a first sub-voltage signal generated by the test power supply at the first end of the electrical component from the first voltage signal, and determining the first voltage of the first end of the electrical component according to the first sub-voltage signal;
the determining a second voltage of the first end of the cable from the second voltage signal includes: and extracting a second sub-voltage signal generated by the test power supply at the first end of the crimped cable from the second voltage signal, and determining the second voltage of the first end of the crimped cable according to the second sub-voltage signal.
4. A method according to any one of claims 1-3, wherein, when the electrical parameter comprises a first current at a first end of the electrical component and a second current at a first end of the crimped cable, the obtaining the electrical parameter of the cable crimp comprises:
Acquiring a first current signal measured by a first current sensor and a second current signal measured by a second current sensor; the first current sensor is sleeved outside the first end of the electrical component, and the second current sensor is sleeved outside the first end of the crimped cable;
determining a first current of the first end of the electrical component from the first current signal and determining a second current of the first end of the crimped cable from the second current signal.
5. A method according to claim 1 or 2, wherein the voltage across the cable crimp is the voltage generated by the test power supply across the cable crimp.
6. The method of claim 1, wherein determining the quality of the cable crimp based on the electrical parameter of the cable crimp comprises:
and if the value of each electrical parameter of the cable crimping part is in the corresponding preset range, determining that the cable crimping is normal.
7. The method of claim 1, wherein determining the quality of the cable crimp based on the electrical parameter of the cable crimp comprises:
And taking the electrical parameters of the cable crimping part and the attribute information of the cable crimping part as inputs of a machine learning model, and acquiring output of the machine learning model, wherein the output indicates whether the cable crimping is normal or abnormal.
8. An apparatus for determining the crimp quality of a cable, comprising:
the acquisition module is used for acquiring the electrical parameters of the cable crimping part; the cable crimping part comprises a first end of a crimped cable, a cable connector and a first end of an electrical component connected with the cable through the cable connector; the first end of the crimped cable is the end of the crimped cable close to the cable joint, and the first end of the electrical component is the end of the electrical component close to the cable joint; wherein the electrical parameter comprises a voltage of the cable crimp and/or a first current of a first end of the electrical component and a second current of a first end of the crimped cable;
a determining module for determining the quality of the cable crimp according to the electrical parameters of the cable crimp;
when the state of the electric equipment where the cable crimping part is positioned is a non-running state, two ends of the cable crimping part are connected with a test power supply;
When the state of the electric equipment corresponding to the cable crimping part is an operation state but the power supply of the electric equipment corresponding to the cable crimping part is unstable, connecting test power supplies at two ends of the cable crimping part.
9. The device according to claim 8, wherein when the electrical parameter comprises a voltage of the cable crimp, the acquisition module is specifically configured to:
acquiring a first voltage signal measured by a first voltage sensor and a second voltage signal measured by a second voltage sensor; the first voltage sensor is electrically connected with the first end of the electrical component, and the second voltage sensor is electrically connected with the first end of the crimped cable;
determining a first voltage of a first end of the electrical component from the first voltage signal, and determining a second voltage of a first end of the crimped cable from the second voltage signal;
and determining the voltage of the cable crimping part according to the first voltage and the second voltage.
10. The device according to claim 8 or 9, wherein the acquisition module is adapted to, in particular, when the electrical parameter comprises a first current of the first end of the electrical component and a second current of the first end of the crimped cable:
Acquiring a first current signal measured by a first current sensor and a second current signal measured by a second current sensor; the first current sensor is sleeved outside the first end of the electrical component, and the second current sensor is sleeved outside the first end of the crimped cable;
determining a first current of the first end of the electrical component from the first current signal and determining a second current of the first end of the crimped cable from the second current signal.
11. The apparatus according to claim 8, wherein the determining module is specifically configured to:
and if the value of each electrical parameter of the cable crimping part is in the corresponding preset range, determining that the cable crimping is normal.
12. The apparatus according to claim 8, wherein the determining module is specifically configured to:
and taking the electrical parameters of the cable crimping part and the attribute information of the cable crimping part as inputs of a machine learning model, and acquiring output of the machine learning model, wherein the output indicates whether the cable crimping is normal or abnormal.
13. An electronic device, comprising:
At least one processor; and
a memory communicatively coupled to the at least one processor; wherein, the liquid crystal display device comprises a liquid crystal display device,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of any one of claims 1-7.
14. A system for determining the crimp quality of a cable, comprising:
a first voltage sensor, a second voltage sensor, a cable crimp, and the electronic device of claim 13;
the first voltage sensor is respectively and electrically connected with the first end of the electrical component and the electronic equipment, and the second voltage sensor is respectively and electrically connected with the first end of the crimped cable and the electronic equipment;
the system further comprises: a first current sensor, a second current sensor, and a test power supply;
the first current sensor is sleeved outside the first end of the electrical component, and the second current sensor is sleeved outside the first end of the crimped cable;
the test power supply is electrically connected to the first end of the electrical component and the first end of the crimped cable, respectively.
15. A non-transitory computer readable storage medium storing computer instructions for causing the computer to perform the method of any one of claims 1-7.
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| JP3627212B2 (en) * | 1999-07-23 | 2005-03-09 | 矢崎総業株式会社 | Terminal crimping state discriminating method and apparatus, and caulking die wear state detecting method |
| CN101614597B (en) * | 2009-07-21 | 2010-12-01 | 太原理工大学 | Monitoring device used for high voltage cable connector status in mine roadway |
| CN202057755U (en) * | 2011-04-28 | 2011-11-30 | 中冶建工集团有限公司 | Cable fault detector |
| CN104035000B (en) * | 2014-06-24 | 2017-06-27 | 威海职业学院 | Multicore cable terminal compression joint quality precise detection device and detection method |
| CN104596572A (en) * | 2014-10-11 | 2015-05-06 | 芜湖扬宇机电技术开发有限公司 | System and method for monitoring cable |
| CN104852169B (en) * | 2015-05-19 | 2018-02-09 | 深圳市沃尔核材股份有限公司 | The accurate thermometric Separable cable connector of intelligence |
| CN107782991A (en) * | 2016-08-29 | 2018-03-09 | 哈尔滨理工大学 | Based on LaBVIEW middle voltage distribution networks feeder pillar cable termination intelligent online monitoring systems |
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