CN217717525U - Electric power fitting defect detection device - Google Patents
Electric power fitting defect detection device Download PDFInfo
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- CN217717525U CN217717525U CN202220515220.8U CN202220515220U CN217717525U CN 217717525 U CN217717525 U CN 217717525U CN 202220515220 U CN202220515220 U CN 202220515220U CN 217717525 U CN217717525 U CN 217717525U
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Abstract
The utility model relates to an electric power fitting defect detection device, which comprises a heating module, a high-frequency voltage module, a current measuring module and a processor, wherein the heating module is connected with the processor and heats a fitting to be detected according to the instruction of the processor; the high-frequency voltage module is connected with the processor and loads a voltage signal to the hardware fitting to be tested according to an instruction of the processor; the current measuring module is connected with the processor, and feeds back a current signal passing through the hardware fitting to be measured to the processor after detecting the current signal; and the processor judges the welding quality of the hardware fitting to be tested according to the current signal. The utility model discloses a module of heating heats the gold utensil that awaits measuring for the gold utensil thermal energy that awaits measuring realizes enlargeing the welding seam defect, and at the gold utensil both ends loading voltage signal that awaits measuring, detect through the current measurement module behind the current signal of the gold utensil that awaits measuring, judge whether the welding seam of the gold utensil that awaits measuring takes place the defect, realize the quick accurate defect detection of the gold utensil installation site that awaits measuring.
Description
Technical Field
The utility model relates to an electric power fitting detects technical field, in particular to electric power fitting defect detecting device.
Background
Electric power fittings are important electric power system components, and the quality of the electric power fittings directly influences the safe operation of an electric power system. Electric power fitting is difficult for dismantling again and changing after electric power system is put into operation, and when electric power fitting has the defect, when even breaking, often need the outage to change the maintenance, very unfavorable to electric power system steady operation. Taking the strain clamp as an example, the strain clamp bears all the tension of the connecting lead and plays a role in inrush current. The tension-resistant wire clamp is not easy to detach and replace after being put into operation, and the tension-resistant wire clamp is easy to break to cause electric power accidents under the conditions of waving, long-term breeze vibration and the like. Therefore, in the construction process of the electric power fitting, the quality of the fitting needs to be detected before the fitting is installed, and particularly, in the construction process of the electric power fitting, welding defects are easy to occur. Therefore, it is necessary to develop a convenient and reliable electric power fitting defect detection device.
The patent publication No. CN109709154A, entitled "a weld joint detection method", discloses that a resistance value of a weld joint of a to-be-detected piece is collected by a conductivity meter, and whether the weld joint detected by the to-be-detected piece has weld joint defects or not can be known by comparing the collected resistance value of the weld joint with a standard data range. However, when the resistance value of the weld joint is detected, the resistance value cannot be measured accurately due to the small resistance value, so that the accuracy of finally measuring whether the weld joint of the to-be-measured object has defects is not high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a whether the welding seam of the more accurate detection hardware that awaits measuring has the defect, provides an electric power fitting defect detecting device.
In order to realize the purpose of the utility model, the embodiment of the utility model provides a following technical scheme:
a device for detecting defects of electric power fittings, which is used for measuring the defects of the fittings to be detected, comprises a heating module, a high-frequency voltage module, a current measuring module and a processor, wherein,
the heating module is connected with the processor and heats the hardware fitting to be tested according to the instruction of the processor; the high-frequency voltage module is connected with the processor and loads a voltage signal to the hardware fitting to be tested according to an instruction of the processor; the current measuring module is connected with the processor, and feeds back a current signal passing through the hardware fitting to be measured to the processor after detecting the current signal; and the processor judges the welding quality of the hardware fitting to be tested according to the current signal.
In the scheme, the heating module is used for heating the hardware fitting to be detected, so that the thermal expansion of the hardware fitting to be detected is realized, the weld defects are amplified, voltage signals are loaded at the two ends of the hardware fitting to be detected, and after the current measuring module detects the current signals passing through the hardware fitting to be detected, whether the weld of the hardware fitting to be detected has defects or not is judged, and the rapid and accurate defect detection of the installation site of the hardware fitting to be detected is realized.
Furthermore, the temperature measurement device further comprises a temperature measurement sensor connected with the processor, wherein the temperature measurement sensor is used for detecting the temperature of the heated hardware fitting to be detected in real time and feeding back the detected temperature value to the processor.
Further, the warming module is an electromagnetic heater.
Further, the warming module is a laser.
Furthermore, the current signal loaded on the hardware fitting to be tested by the high-frequency voltage module is a high-frequency alternating-current voltage.
Furthermore, the hardware fitting testing device further comprises an acoustic wave measuring module connected with the processor, and the acoustic wave measuring module is used for detecting an acoustic wave signal generated after the current signal passes through the hardware fitting to be tested.
Still further, a display unit is included that is coupled to the processor.
Furthermore, the current measuring module is connected to the inside of the circuit of the high-frequency voltage module.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a module of heating heats the gold utensil that awaits measuring for the gold utensil thermal energy that awaits measuring realizes enlargiing the welding seam defect, at the gold utensil both ends loading current signal that awaits measuring, detects through the current measurement module behind the current signal of the gold utensil that awaits measuring, judges whether the welding seam of the gold utensil that awaits measuring takes place the defect, realizes the quick accurate defect detection of the gold utensil installation site that awaits measuring.
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In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a block diagram of the module of the detecting device of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.
The utility model discloses a following technical scheme realizes, an electric power fitting defect detecting device please see fig. 1, including heating module, high frequency voltage module, current measurement module, treater, wherein heating module, high frequency voltage module, current measurement module are connected with the treater respectively.
With this detection device setting on the gold utensil that awaits measuring, the welding seam department of the gold utensil that awaits measuring is aimed at through treater control module of heating, heats the gold utensil that awaits measuring. The two ends of the high-frequency voltage module are respectively connected with the two ends of the hardware fitting to be tested, so that a voltage signal is loaded on the hardware fitting to be tested according to an instruction of the processor, and the loaded voltage signal is high-frequency alternating voltage. The current measuring module can be connected into the high-frequency voltage module circuit, so that the current measuring module detects a current signal passing through the hardware fitting to be detected and feeds the detected current signal back to the processor.
After the heating module heats the hardware fitting to be detected, the temperature sensor connected with the processor detects the temperature of the hardware fitting to be detected in real time and feeds the detected temperature value back to the processor. And when the processor judges that the temperature of the hardware fitting to be tested reaches the temperature threshold value, controlling the heating module to stop heating the hardware fitting to be tested.
The heating module can be an electromagnetic heater, a laser or other instrument equipment which is easy to heat the electric power fitting.
The high-frequency voltage module can load a plurality of high-frequency alternating-current voltages with set frequencies to the hardware fitting to be measured, and the current measuring modules respectively measure current signals corresponding to the high-frequency alternating-current voltages and feed the measured current signals back to the processor. And the processor compares the measured current signal with the measured value of the standard database to judge whether the welding seam of the hardware fitting to be tested has defects.
The heating temperature of the heating module, the real-time temperature value of the hardware fitting to be detected, the frequency of the high-frequency alternating voltage loaded by the high-frequency voltage module, a current signal which is detected by the current measuring module and passes through the hardware fitting to be detected, a result of whether a welding seam of the hardware fitting to be detected has defects or not and the like can be displayed on a display unit connected with the processor.
Furthermore, the processor is further connected with an acoustic wave measuring module, and the acoustic wave measuring module is used for detecting an acoustic wave signal generated after the current signal passes through the hardware fitting to be detected. As an implementable manner, the current measurement module and the acoustic wave measurement module can select any module to detect the hardware fitting to be detected through the current signal at the same time; as another implementable manner, the current measurement module and the acoustic measurement module can be used simultaneously to detect the hardware fitting to be detected through the current signal, and the processor combines the current signal detected by the current measurement module and the acoustic signal detected by the acoustic measurement module to jointly judge whether the weld of the hardware fitting to be detected has defects.
Similarly, the sound wave signal detected by the sound wave measuring module can be displayed on the display.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides an electric power fitting defect detection device for measure the defect of the gold utensil that awaits measuring, its characterized in that: comprises a heating module, a high-frequency voltage module, a current measuring module and a processor, wherein,
the heating module is connected with the processor and heats the hardware fitting to be tested according to the instruction of the processor; the high-frequency voltage module is connected with the processor and loads a voltage signal to the hardware fitting to be tested according to an instruction of the processor; the current measuring module is connected with the processor, and feeds back a current signal passing through the hardware fitting to be measured to the processor after detecting the current signal; and the processor judges the welding quality of the hardware fitting to be detected according to the current signal.
2. The apparatus of claim 1, wherein: the temperature measurement sensor is used for detecting the temperature of the heated hardware fitting to be detected in real time and feeding the detected temperature value back to the processor.
3. The apparatus of claim 1, wherein: the warming module is an electromagnetic heater.
4. The apparatus of claim 1, wherein: the heating module is a laser.
5. The apparatus of claim 1, wherein: the high-frequency voltage module loads a current signal to the hardware fitting to be tested into high-frequency alternating voltage.
6. The apparatus of claim 1, wherein: the device comprises a processor, and is characterized by further comprising an acoustic wave measuring module connected with the processor, wherein the acoustic wave measuring module is used for detecting an acoustic wave signal generated after a current signal passes through the hardware fitting to be detected.
7. The apparatus of claim 1, wherein: and the display unit is connected with the processor.
8. The apparatus of claim 1, wherein: the current measuring module is connected into the circuit of the high-frequency voltage module.
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CN202220515220.8U CN217717525U (en) | 2022-03-09 | 2022-03-09 | Electric power fitting defect detection device |
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CN202220515220.8U CN217717525U (en) | 2022-03-09 | 2022-03-09 | Electric power fitting defect detection device |
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CN217717525U true CN217717525U (en) | 2022-11-01 |
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