Industrial connector with voltage detection function and use method thereof

Abstract

The invention discloses an industrial connector with a voltage detection function and a use method thereof. The industrial connector comprises a plug shell, and a socket shell is arranged on the right side of the plug shell. The first heat conduction frame and the second heat conduction frame are arranged, the ventilation openings formed in the surfaces of the first heat conduction frame and the second heat conduction frame and the heat dissipation fins in the first heat conduction frame and the second heat conduction frame are adopted, and an efficient heat dissipation system is constructed. Besides, the voltage detection module adopts a high-precision voltage transformer, a low-temperature coefficient sampling resistor and a high-permeability iron core material of the high-precision voltage transformer, so that the transformation ratio error and the phase error of the high-precision voltage transformer are extremely small, and high-precision isolation detection of high voltage can be realized; and the low-temperature coefficient sampling resistor stably converts the secondary output voltage of the mutual inductor, so that the detection error caused by temperature change is reduced, and the detection precision is further guaranteed from the electrical detection level. The device has the advantages of ultrahigh-precision voltage detection, extremely stable mechanical connection and good heat dissipation effect.

Description

Technical Field

[0001] The present invention relates to the technical field of industrial connectors, and in particular to an industrial connector with voltage detection and a method of using the same. Background Art

[0002] Amid the rapid development of modern industrial automation and intelligent manufacturing, industrial connectors, as core components for stable connectivity and signal transmission in electrical systems, have a significant impact on the operational efficiency and safety of the entire industrial system. With the deepening implementation of the Industry 4.0 strategy, industrial production scenarios are becoming increasingly complex, and the integration and intelligence of equipment are constantly improving. This places extremely stringent demands on the functionality, reliability, and environmental adaptability of industrial connectors. In terms of voltage detection, traditional industrial connectors generally suffer from low detection accuracy and weak anti-interference capabilities. Most products lack integrated professional voltage detection modules. Even those equipped with simple detection devices often rely on outdated principles such as resistor voltage division. This detection method is highly susceptible to factors such as ambient temperature fluctuations and circuit aging, leading to significant deviations in test results. In complex electromagnetic environments in workshops filled with high-power electrical equipment such as high-frequency welding equipment and inverters, the voltage detection modules of existing connectors lack effective electromagnetic shielding measures. External electromagnetic interference can severely distort the detection signal, rendering the detection data ineffective and unable to provide a reliable basis for precise control and safe and stable operation of the equipment. This not only affects industrial production efficiency but can also cause equipment failures and even safety accidents, making it difficult to meet the modern industrial demand for real-time monitoring and intelligent control of electrical connections.

[0003] Defects in mechanical structural design also restrict the application of existing industrial connectors. In scenarios such as automated production lines that require frequent plugging and unplugging operations, the impact force generated during the plugging and unplugging process can cause deformation and wear of the conductive terminals due to the lack of buffering and guiding design in the connector's plugging and unplugging mechanism, leading to poor contact. This not only reduces the accuracy of voltage detection, but can also cause electrical connection interruptions, leading to production line downtime and huge economic losses. For equipment operating in vibrating environments such as construction machinery and mining machinery, the existing connector's seismic structure is weak and cannot effectively isolate the impact of external vibrations on internal electrical connections and detection modules. Long-term vibration can loosen internal components, exacerbating poor contact and detection errors. In addition, the interface sizes and electrical parameters of different industrial equipment vary greatly. Existing connectors have poor versatility and are difficult to quickly adapt, increasing equipment integration and maintenance costs and limiting the flexibility and efficiency of industrial production. Heat dissipation is also a major shortcoming of existing industrial connectors. Under high-power operating conditions, when current flows through the connector's conductive terminals, Joule heating is generated due to the conductor resistance. Internal components such as the voltage detection module and signal processing module also generate heat. However, existing connectors often lack effective heat dissipation mechanisms, making it difficult to dissipate this accumulated heat. Excessive temperatures accelerate component aging, reduce the connector's lifespan, and may even pose safety risks.

[0004] In summary, existing industrial connectors suffer from numerous deficiencies in voltage detection accuracy, mechanical structure rationality, and heat dissipation protection, severely hindering the efficient and safe operation of industrial production. The industrial connector with voltage detection and its use method proposed in this invention, through innovative structural designs such as the matching of the slide and slider, compression spring buffering, and an efficient heat dissipation system, as well as a high-precision voltage detection module and signal processing module, and a comprehensive protective structure, specifically addresses these issues and provides an effective solution to meet the urgent needs of modern industrial development. Summary of the Invention

[0005] In order to solve the problems raised in the above background technology, the purpose of the present invention is to provide an industrial connector with voltage detection and a method of using the same, which has the advantages of ultra-high precision voltage detection, extremely stable mechanical connection and good heat dissipation effect.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: an industrial connector with voltage detection, comprising a plug shell, a socket shell is provided on the right side of the plug shell, a slide groove is provided on the front and rear sides of the top and bottom inner walls of the plug shell, and a slider is slidably connected inside the slide groove, a first heat-conducting frame and a second heat-conducting frame are respectively provided inside the plug shell and the socket shell, the slider is fixedly connected to the first heat-conducting frame, the socket shell is fixedly connected to the second heat-conducting frame, the plug conductive terminal and the socket conductive terminal are respectively fixedly connected inside the first heat-conducting frame and the second heat-conducting frame, the plug conductive terminal is plugged into the socket conductive terminal, a fixing frame is fixedly connected to the front and rear sides of the interior of the plug shell, a compression spring is fixedly connected to the right side of the fixing frame, the end of the compression spring away from the fixing frame is fixedly connected to the plug conductive terminal, a heat dissipation fan is fixedly connected to the left side of the fixing frame, ventilation holes are provided on the surfaces of the first heat-conducting frame and the second heat-conducting frame, the number of the ventilation holes is several, the ventilation holes are evenly distributed on the surfaces of the first heat-conducting frame and the second heat-conducting frame, and heat dissipation fins are provided inside the ventilation holes. There are multiple heat sink fins, evenly distributed in a circular pattern within the vent. A cover plate is bolted to the left side of the plug housing and the right side of the socket housing. The cover plate has multiple heat dissipation vents. A voltage detection module is fixedly connected to the back of the inner wall of the plug housing. The voltage detection module includes a high-precision voltage transformer and a low-temperature-coefficient sampling resistor. The primary coil of the high-precision voltage transformer is connected to the plug conductive terminal, and the secondary coil of the high-precision voltage transformer is connected to the low-temperature-coefficient sampling resistor. The high-precision voltage transformer uses a high-permeability iron core material with a transformation ratio error of less than 0.1% and a phase error of less than 0.5°, enabling high-precision isolation detection of high voltages. The low-temperature-coefficient sampling resistor is a metal foil resistor with a temperature coefficient of less than ±5 ppm / °C. It can stably convert the transformer secondary output voltage into a low-voltage signal suitable for processing by the signal processing module, reducing detection errors caused by temperature changes. An auxiliary conductive post is fixedly connected to the surface of the plug conductive terminal and plugs into the socket conductive terminal.

[0007] As a preferred embodiment of the present invention, an electrical box is fixedly connected to the back of the inner wall of the plug shell, and a signal processing module and a power supply module are respectively provided inside the electrical box. The signal processing module includes a low-noise amplifier, a high-order active filter and a high-speed analog-to-digital converter. The noise coefficient of the low-noise amplifier is less than 1dB, and it can efficiently amplify the weak voltage signal output by the sampling resistor. The high-order active filter adopts a fourth-order Butterworth filter circuit, which can deeply filter the amplified signal and effectively remove clutter interference above 20kHz. The sampling rate of the high-speed analog-to-digital converter can reach 1MSPS, which can quickly convert the filtered analog signal into a digital signal, facilitating subsequent data transmission and processing.

[0008] As a preferred embodiment of the present invention, a data interface is provided on the front of the plug housing. The data interface adopts the USB 3.0 interface standard and is electrically connected to the signal processing module. It can transmit the processed voltage data to the external control system at a transmission rate of up to 5Gbps, meeting the demand for real-time transmission of voltage data in industrial production.

[0009] As a preferred embodiment of the present invention, the plug shell and the socket shell both include a base layer, an electromagnetic shielding layer is provided on the outside of the base layer, a protective layer is provided on the outside of the electromagnetic shielding layer, and an anti-slip and wear-resistant layer is provided on the outside of the protective layer.

[0010] As a preferred embodiment of the present invention, the surface of the plug shell is fixedly connected to a limit frame, the number of the limit frames is several, the cross-section of the limit frame is L-shaped, the limit frame is fitted with the socket shell, the front and rear sides of the plug shell and the front and rear sides of the socket shell are respectively fixedly connected with a first connecting frame and a second connecting frame, the surface of the first connecting frame is fixedly connected to a guide cylinder, and the guide cylinder is conical.

[0011] As a preferred embodiment of the present invention, the top of the plug shell is fixedly connected to a mounting bracket, the front and rear sides of the top of the socket shell are rotatably connected to a locking bracket, the locking bracket is clamped with the mounting bracket, the front and rear sides of the top of the socket shell are fixedly connected to a support bracket, the support bracket is rotatably connected to the locking bracket, the top of the inner wall of the support bracket is fixedly connected to a torsion spring, the other end of the torsion spring is fixedly connected to the support bracket, and the top of the locking bracket is fixedly connected to a shift rod.

[0012] As a preferred embodiment of the present invention, a sealing ring is fixedly connected to the right side of the socket housing, and the sealing ring is in contact with the socket housing.

[0013] An industrial connector with voltage detection and a method of using the same, comprising the following steps: S1: When using this industrial connector with voltage detection, the operator first connects the plug shell to the socket shell. During the plug insertion process, the fixing brackets and compression springs fixed on the front and back sides of the plug shell work together to provide buffering protection for the plug's conductive terminals. When the plug is subjected to insertion force, the plug's conductive terminals will move toward the socket's conductive terminals, and the compression spring connected to the plug's conductive terminals will be squeezed. According to Hooke's law, the compression spring will generate an elastic force in the opposite direction of the external force. As the insertion force increases, the compression of the compression spring increases, and the elastic force also increases accordingly, converting part of the insertion force into the elastic potential energy of the compression spring, effectively reducing the damage to the plug's conductive terminals caused by the impact of plugging and unplugging, preventing them from deformation or wear, and ensuring the stability and reliability of the electrical connection from a mechanical structure level. After the plug and socket are properly plugged in, the power module starts working, providing stable power to the voltage detection module and signal processing module. The high-precision voltage transformer's primary coil in the voltage detection module is connected to the plug's conductive terminals, monitoring the voltage there in real time. Using electromagnetic induction, it converts the high voltage into a low voltage. This voltage is then converted to a low voltage signal suitable for processing by the signal processing module via a low-temperature-coefficient sampling resistor and transmitted to the module. The signal processing module then processes the signal. A low-noise amplifier efficiently amplifies the weak voltage signal, minimizing noise while amplifying the signal. A high-order active filter employs a fourth-order Butterworth filter circuit to effectively filter out interference above 20kHz. A high-speed analog-to-digital converter (ADC) converts the filtered analog signal into a digital signal at a sampling rate of 1MSPS. The processed digital voltage data is transmitted to an external control system at a high speed of 5Gbps via a USB 3.0 data port on the front of the plug housing. The external control system uses this received voltage data to monitor the electrical connection status in real time. If an anomaly, such as overvoltage or undervoltage, is detected, an alarm is issued and appropriate control measures, such as power off or adjustment of equipment operating parameters, are implemented according to pre-set procedures.

[0014] S2: During the operation of an industrial connector, when current flows through the plug and receptacle terminals, Joule heating is generated due to the resistance of the conductors. Simultaneously, internal components such as the voltage detection module and signal processing module also generate heat, causing the connector's internal temperature to gradually rise. At this point, the first and second thermally conductive frames play a crucial role in heat conduction. Made of metal materials with high thermal conductivity, such as aluminum alloy or copper alloy, they quickly absorb heat generated by the plug and receptacle terminals, as well as internal components. Ventilation openings are evenly distributed across the surfaces of the first and second thermally conductive frames. Each vent is uniformly arranged with multiple heat dissipation fins arranged in a circular pattern within the vents. This design significantly increases the contact area with the air. When the cooling fan is activated, air is forced to flow. Air enters through the heat dissipation openings on the left cover of the plug housing, flows through the vents and heat dissipation fins, then flows into the receptacle housing, and finally exits through the heat dissipation openings on the right cover of the receptacle housing. As the air flows, heat is transferred from the first and second thermally conductive frames to the heat dissipation fins via conduction. Then, the heat is transferred to the flowing air via convection. Because the heat sink fins significantly increase the heat dissipation area, they accelerate the exchange of heat with the air, allowing the air to quickly remove the heat. Hot air is then exhausted through the heat vents on the other side, completing the heat dissipation cycle. This effectively reduces the temperature inside the connector, preventing accelerated component aging due to excessive temperatures. This ensures that internal components such as the voltage detection module and signal processing module operate stably within a suitable temperature environment, improving the accuracy and stability of voltage detection, extending the service life of industrial connectors, and reducing equipment failures and maintenance costs caused by temperature issues. This is of great significance for ensuring the continuity and stability of industrial production.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention features a highly innovative plug housing design. Slideways are provided on the front and rear sides of the top and bottom inner walls of the plug housing, and these slideways connect to the first heat-conducting frame. This structural design provides a stable sliding path for the first heat-conducting frame. When the plug conductive terminals are plugged into the receptacle conductive terminals, the slideways slide smoothly within the slideways, effectively buffering the impact forces generated during insertion and removal, preventing deformation or wear of the plug conductive terminals due to excessive impact, and ensuring the stability of the electrical connection from a mechanical perspective. Furthermore, the arrangement of the first and second heat-conducting frames, along with the vents on their surfaces and the internal heat dissipation fins, creates an efficient heat dissipation system. During operation of the industrial connector, current passing through the plug and receptacle conductive terminals generates heat. The first and second heat-conducting frames quickly absorb this heat and exchange it with the outside air through the vents. The heat dissipation fins further increase the heat dissipation area, accelerating heat dissipation. The covers on both sides of the plug and receptacle housings and the heat dissipation vents on their surfaces also provide channels for heat dissipation, forming a complete heat dissipation cycle. This not only effectively reduces the internal temperature of the connector, preventing accelerated component aging due to excessive temperatures, but also ensures that internal components, such as the voltage detection module, operate within a suitable temperature environment. This improves the accuracy and stability of voltage detection, extends the service life of industrial connectors, and reduces equipment failures and maintenance costs caused by temperature issues, which is of great significance for ensuring the continuity and stability of industrial production. Furthermore, the voltage detection module utilizes a high-precision voltage transformer and a low-temperature-coefficient sampling resistor. The high-permeability core material of the high-precision voltage transformer minimizes ratio error and phase error, enabling high-precision isolation detection of high voltages. The low-temperature-coefficient sampling resistor stably converts the transformer's secondary output voltage, reducing detection errors caused by temperature fluctuations and further ensuring detection accuracy from an electrical detection perspective. The inclusion of an auxiliary conductive post increases the contact area between the plug and receptacle terminals, reducing contact resistance, improving electrical connection reliability, and reducing voltage fluctuations and detection errors caused by poor contact, further enhancing the overall performance of the industrial connector. This device offers the advantages of ultra-high-precision voltage detection, extremely stable mechanical connection, and excellent heat dissipation.

[0016] 2. This invention provides a solid foundation for voltage detection data processing and system operation in industrial connectors through the integrated signal processing module and power supply module within the electrical box. The low-noise amplifier in the signal processing module, with its extremely low noise figure of less than 1dB, efficiently amplifies the weak voltage signal output by the sampling resistor, minimizing noise introduction while amplifying the signal and ensuring signal purity. The high-order active filter utilizes a fourth-order Butterworth filter circuit, which offers excellent frequency selectivity and deep filtering of the amplified signal, effectively removing interference above 20kHz and further improving signal quality. The high-speed analog-to-digital converter, with a sampling rate of 1MSPS, rapidly converts the filtered analog signal into a digital signal, significantly improving data processing efficiency. Through this signal processing process, the industrial connector accurately amplifies, deeply filters, and rapidly digitizes the raw signal collected by the voltage detection module, generating highly accurate and reliable voltage data. The power supply module provides stable power to the voltage detection and signal processing modules, ensuring their proper operation. This integrated design eliminates the need for external signal processing equipment, reduces interference and loss during signal transmission, simplifies system architecture, and improves system integration and stability. In industrial production, both real-time monitoring of voltage signals and providing accurate voltage data support for control systems can be accomplished quickly and accurately, effectively improving the functionality and reliability of industrial connectors in electrical connection systems and meeting modern industry's demand for real-time monitoring and intelligent control of electrical connections. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic structural diagram of the first heat-conducting frame of the present invention; Figure 3 This is a schematic diagram of the conductive terminal structure of the plug of the present invention; Figure 4 This is a schematic cross-sectional view of the plug housing structure of the present invention; Figure 5 It is a top cross-sectional schematic diagram of the plug housing and the socket housing structure of the present invention; Figure 6 For the present invention Figure 1 A schematic diagram of the structure at center A; Figure 7 For the present invention Figure 2 A magnified schematic diagram of the structure at point B in the middle; Figure 8 For the present invention Figure 3 Enlarged schematic diagram of the structure at point C in the middle.

[0018] In the figure: 1. Plug housing; 2. Socket housing; 3. First heat-conducting frame; 4. Second heat-conducting frame; 5. Ventilation port; 6. Heat dissipation fin; 7. Plug conductive terminal; 8. Socket conductive terminal; 9. Fixing frame; 10. Compression spring; 11. Heat dissipation fan; 12. Cover plate; 13. Heat dissipation port; 14. Base layer; 15. Electromagnetic shielding layer; 16. Protective layer; 17. Anti-skid and wear-resistant layer; 18. Limiting frame; 19. First connecting frame; 20. Second connecting frame; 21. Guide cylinder; 22. Mounting frame; 23. Locking frame; 24. Support frame; 25. Torsion spring; 26. Auxiliary conductive column; 27. Sealing ring; 28. Voltage detection module; 29. Electrical box; 30. Data interface. DETAILED DESCRIPTION

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] like Figures 1 to 8As shown, an industrial connector with voltage detection and its use method include a plug housing 1, a socket housing 2 is provided on the right side of the plug housing 1, and the front and rear sides of the top and bottom of the inner wall of the plug housing 1 are provided with a slide groove, and the inside of the slide groove is slidably connected with a slider, and the inside of the plug housing 1 and the socket housing 2 are respectively provided with a first thermal conductive frame 3 and a second thermal conductive frame 4, the slider is fixedly connected to the first thermal conductive frame 3, and the socket housing 2 is fixedly connected to the second thermal conductive frame 4, and the insides of the first thermal conductive frame 3 and the second thermal conductive frame 4 are respectively fixedly connected to the plug conductive terminal 7 and the socket conductive terminal The plug conductive terminal 7 is plugged into the socket conductive terminal 8. The front and rear sides of the plug housing 1 are fixedly connected to the fixing frame 9. The right side of the fixing frame 9 is fixedly connected to the compression spring 10. The end of the compression spring 10 away from the fixing frame 9 is fixedly connected to the plug conductive terminal 7. The left side of the fixing frame 9 is fixedly connected to the heat dissipation fan 11. The surfaces of the first heat-conducting frame 3 and the second heat-conducting frame 4 are provided with ventilation holes 5. The number of ventilation holes 5 is several, and the ventilation holes 5 are evenly distributed on the surfaces of the first heat-conducting frame 3 and the second heat-conducting frame 4. The interior of the ventilation holes 5 is provided with heat dissipation fins 6. The heat dissipation fins The number of fins 6 is several, and the heat dissipation fins 6 are evenly distributed in a ring shape inside the vent 5. The left side of the plug housing 1 and the right side of the socket housing 2 are fixedly connected with a cover plate 12 by bolts. The surface of the cover plate 12 is provided with a heat dissipation port 13. The number of heat dissipation ports 13 is several. The back of the inner wall of the plug housing 1 is fixedly connected with a voltage detection module 28. The voltage detection module 28 includes a high-precision voltage transformer and a low temperature coefficient sampling resistor. The primary coil of the high-precision voltage transformer is connected to the conductive terminal 7 of the plug, and the secondary coil of the high-precision voltage transformer is connected to the low temperature coefficient The sampling resistor is connected. The high-precision voltage transformer adopts high-permeability iron core material. Its ratio error is less than 0.1%, and the phase error is less than 0.5°. It can achieve high-precision isolation detection of high voltage. The low temperature coefficient sampling resistor uses metal foil resistor. Its temperature coefficient is less than ±5ppm / ℃. It can stably convert the voltage output of the transformer secondary into a small voltage signal suitable for processing by the signal processing module, reducing the detection error caused by temperature changes. The surface of the plug conductive terminal 7 is fixedly connected with an auxiliary conductive column 26, which is plugged into the socket conductive terminal 8.

[0021] refer to Figure 5An electrical box 29 is fixedly connected to the back of the inner wall of the plug shell 1. A signal processing module and a power supply module are respectively arranged inside the electrical box 29. The signal processing module includes a low-noise amplifier, a high-order active filter and a high-speed analog-to-digital converter. The noise coefficient of the low-noise amplifier is less than 1dB, and it can efficiently amplify the weak voltage signal output by the sampling resistor. The high-order active filter adopts a fourth-order Butterworth filter circuit, which can deeply filter the amplified signal and effectively remove clutter interference above 20kHz. The sampling rate of the high-speed analog-to-digital converter can reach 1MSPS, which can quickly convert the filtered analog signal into a digital signal, facilitating subsequent data transmission and processing.

[0022] As a technical optimization solution of the present invention, the signal processing module and power supply module integrated within the electrical box 29 provide a solid foundation for the industrial connector's voltage detection data processing and system operation. The low-noise amplifier in the signal processing module, with its extremely low noise figure of less than 1dB, efficiently amplifies the weak voltage signal output by the sampling resistor, minimizing noise input while amplifying the signal and ensuring signal purity. The high-order active filter utilizes a fourth-order Butterworth filter circuit, which offers excellent frequency selectivity and deep filtering of the amplified signal, effectively removing interference above 20kHz and further improving signal quality. The high-speed analog-to-digital converter, with a sampling rate of 1MSPS, rapidly converts the filtered analog signal into a digital signal, significantly improving data processing efficiency. Through this signal processing process, the industrial connector can precisely amplify, deeply filter, and rapidly digitize the raw signal collected by the voltage detection module 28, generating highly accurate and reliable voltage data. The power supply module provides stable power to the voltage detection module 28 and the signal processing module, ensuring the proper operation of each module. This integrated design eliminates the need for external signal processing equipment, reduces interference and loss during signal transmission, simplifies system architecture, and improves system integration and stability. In industrial production, both real-time monitoring of voltage signals and providing accurate voltage data support for control systems can be accomplished quickly and accurately, effectively improving the functionality and reliability of industrial connectors in electrical connection systems and meeting modern industry's demand for real-time monitoring and intelligent control of electrical connections.

[0023] refer to Figure 1 A data interface 30 is provided on the front of the plug housing 1. The data interface 30 adopts the USB 3.0 interface standard and is electrically connected to the signal processing module. It can transmit the processed voltage data to the external control system at a transmission rate of up to 5Gbps, meeting the demand for real-time transmission of voltage data in industrial production.

[0024] As a technical optimization solution of the present invention, the USB 3.0 data interface 30, located on the front of the plug housing 1, provides a high-speed channel for the transmission of processed voltage data with a transmission rate of up to 5 Gbps. In industrial production environments, electrical systems have extremely high requirements for the real-time performance of voltage data. Fast and accurate data transmission is key to achieving real-time monitoring and intelligent control of electrical connections. Traditional data interfaces 30 often have slow transmission rates and cannot meet the requirements for rapid transmission of large amounts of voltage data, resulting in data delays and hindering the control system's ability to promptly determine and adjust the electrical connection status. However, the USB 3.0 interface standard adopted by the present invention enables rapid and stable transmission of digital voltage data generated by the signal processing module to the external control system. Whether in industrial automated production lines or complex electrical control systems, the external control system can obtain the latest voltage data in a very short time, enabling timely responses such as adjusting equipment operating parameters, issuing alarms, or implementing protective measures. This high-speed data transmission capability not only improves the interaction efficiency between industrial connectors and external systems, but also enhances the intelligence level and real-time control capabilities of the entire electrical connection system, making the industrial production process more efficient, safer and more stable, and effectively avoiding equipment failures and production accidents caused by data transmission delays, providing strong guarantees for the smooth progress of industrial production.

[0025] refer to Figure 4 The plug housing 1 and the socket housing 2 both include a base layer 14 , an electromagnetic shielding layer 15 is provided on the outside of the base layer 14 , a protective layer 16 is provided on the outside of the electromagnetic shielding layer 15 , and an anti-slip and wear-resistant layer 17 is provided on the outside of the protective layer 16 .

[0026] As a technical optimization solution of the present invention, the multi-layer structural design of the plug shell 1 and the socket shell 2 provides all-round protection for the industrial connector. The base layer 14, as the basic structure of the shell, provides the necessary mechanical strength and supporting force to ensure that the shell maintains structural stability in various industrial environments and withstands certain external impacts and vibrations. The electromagnetic shielding layer 15 is made of special materials and can effectively shield complex external electromagnetic interference, such as high-frequency electromagnetic signals and radio waves generated by high-power electrical equipment in industrial sites. If these electromagnetic interferences enter the interior of the connector, they will have a serious impact on the voltage detection signal and electrical connection, resulting in problems such as distortion of detection data and unstable electrical connection. The presence of the electromagnetic shielding layer 15 blocks external electromagnetic interference outside the connector, ensuring the normal operation of the internal voltage detection module 28 and other electrical components, and improving the accuracy and reliability of voltage detection. The protective layer 16 further enhances the protective performance of the shell and can withstand external impact. The design of the anti-slip and wear-resistant layer 17 not only enables operators to better grip the connector when plugging and unplugging it, preventing slipping and improving operational safety, but also effectively reduces wear on the shell surface during frequent use, maintaining the stability of the shell's appearance and performance, and further enhancing the practicality and durability of the industrial connector.

[0027] refer to Figure 1 The surface of the plug shell 1 is fixedly connected to a limit frame 18. The number of the limit frames 18 is several. The cross-section of the limit frame 18 is L-shaped. The limit frame 18 fits with the socket shell 2. The front and rear sides of the plug shell 1 and the front and rear sides of the socket shell 2 are respectively fixedly connected with a first connecting frame 19 and a second connecting frame 20. The surface of the first connecting frame 19 is fixedly connected to a guide cylinder 21, which is conical.

[0028] As a technical optimization solution of the present invention, the arrangement of structures such as the stop frame 18, the first connecting frame 19, the second connecting frame 20, and the guide cylinder 21 greatly improves the convenience and accuracy of industrial connector plugging and unplugging operations. The L-shaped cross-section of the stop frame 18, when aligned with the socket housing 2, precisely limits the plug housing 1's insertion and unplugging direction, preventing the plug from shifting or tilting during insertion and ensuring accurate alignment of the plug terminals 7 and the socket terminals 8 for smooth insertion. The first connecting frame 19 and the second connecting frame 20 are respectively fixed to the plug housing 1 and the socket housing 2, providing stable structural support for connector insertion and unplugging. The tapered design of the guide cylinder 21 is a highlight. During insertion of the plug into the socket, the tapered opening of the guide cylinder 21 fits into the opening of the second connecting frame 20, providing excellent guidance. Even if the operator deviates slightly during insertion and unplugging, the guide cylinder 21's tapered structure automatically corrects the plug to the correct position, reducing the difficulty of the plug-in and unplugging operation and improving operational efficiency. At the same time, this precise plug-in and pull-out structure design reduces the wear between the plug conductive terminal 7 and the socket conductive terminal 8, ensures the tightness and stability of the electrical connection, improves the reliability of the connection, and reduces problems such as poor contact and voltage detection errors caused by improper plugging and unplugging. The industrial connector can still maintain good performance and a long service life in industrial application scenarios with frequent plugging and unplugging, providing reliable protection for the continuity and stability of industrial production. The operator can screw through the first connecting frame 19, the second connecting frame 20 and the guide tube, and then use the nut to connect the first connecting frame 19 to the second connecting frame 20, thereby improving the stability of the connection between the plug shell 1 and the socket shell 2.

[0029] refer to Figure 6 The top of the plug housing 1 is fixedly connected to a mounting bracket 22, and the front and rear sides of the top of the socket housing 2 are rotatably connected to a locking bracket 23, which is engaged with the mounting bracket 22. The front and rear sides of the top of the socket housing 2 are fixedly connected to a support bracket 24, which is rotatably connected to the locking bracket 23. The top of the inner wall of the support bracket 24 is fixedly connected to a torsion spring 25, and the other end of the torsion spring 25 is fixedly connected to the support bracket 24. The top of the locking bracket 23 is fixedly connected to a lever.

[0030] As a technical optimization solution of the present invention, the combination structure of the mounting frame 22, the locking frame 23, the support frame 24, the torsion spring 25 and the lever realize the quick locking and convenient unlocking functions of the industrial connector. After the plug housing 1 and the socket housing 2 are plugged in, when the operator needs to release the connection between the plug housing 1 and the socket housing 2, by toggling the lever, the locking frame 23 is driven to rotate. At this time, the torsion spring 25 stores energy, causing the locking frame 23 to separate from the mounting frame 22, thereby releasing the lock on the mounting frame 22. The operator then pulls the socket housing 2 to the right to complete the separation of the plug housing 1 and the socket housing 2. The setting of the torsion spring 25 provides a stable elastic force for the locking frame 23, ensuring that the locking frame 23 can fit tightly against the mounting frame 22, preventing the plug from loosening or falling off due to vibration, external force, etc. during use, and ensuring the stability and reliability of the electrical connection. This quick locking and unlocking structure is simple and convenient to operate, does not require the use of additional tools, and greatly improves the efficiency of installation and removal of industrial connectors. In industrial production, where frequent equipment replacement or maintenance is required, this structural design can significantly reduce equipment downtime and improve production efficiency. Furthermore, the stable locking structure reduces electrical failures and safety hazards caused by loose connections, ensuring safe operation and providing strong support for efficient and stable industrial production.

[0031] refer to Figure 6 A sealing ring 27 is fixedly connected to the right side of the socket housing 2, and the sealing ring 27 fits closely with the socket housing 2.

[0032] As a technical optimization solution of the present invention, a sealing ring 27 fixedly connected to the right side of the socket housing 2 provides excellent sealing and protective performance for the industrial connector. In industrial production environments, various complex factors exist, such as dust. Once dust enters the connector, it can cause serious damage to the electrical connections and detection modules, leading to problems such as poor contact, short circuits, and inaccurate detection data, affecting the normal operation and service life of the equipment. The sealing ring 27 fits tightly with the socket housing 2, forming an effective sealing barrier when the plug and socket are plugged in. The industrial connector of the present invention, thanks to the sealing effect of the sealing ring 27, can maintain the cleanliness of the internal electrical connections and ensure the normal operation of the voltage detection module 28 and other electrical components. This sealing design not only improves the environmental adaptability of the industrial connector, but also enhances its protective performance, extends its service life, and reduces equipment maintenance and replacement costs caused by environmental factors, providing reliable protection for the stable operation of industrial production in various complex environments. A dust screen is fixedly connected to the interior of the heat dissipation port 13 to prevent dust from the external environment from entering the plug housing 1 or the socket housing 2.

[0033] refer to Figure 1, an industrial connector with voltage detection and a method of using the same, comprising the following steps: S1: When using this industrial connector with voltage detection, the operator first connects the plug housing 1 with the socket housing 2. During the plug insertion process, the fixing frame 9 and the compression spring 10 fixed on the front and rear sides of the plug housing 1 work together to provide buffering protection for the plug conductive terminal 7. When the plug is subjected to insertion force, the plug conductive terminal 7 will move toward the socket conductive terminal 8. At this time, the compression spring 10 connected to the plug conductive terminal 7 is squeezed. According to Hooke's law, the compression spring 10 will generate an elastic force in the opposite direction of the external force. As the insertion force increases, the compression of the compression spring 10 increases, and the elastic force also increases accordingly, converting part of the insertion force into the elastic potential energy of the compression spring 10, effectively reducing the damage to the plug conductive terminal 7 caused by the impact of plugging and unplugging, avoiding deformation or wear, and ensuring the stability and reliability of the electrical connection from the mechanical structure level. After the plug and socket are plugged in, the power module starts to work, providing stable power to the voltage detection module 28 and the signal processing module. The high-precision voltage transformer primary coil in the voltage detection module 28 is connected to the plug's conductive terminal 7. It monitors the voltage on the plug's conductive terminal 7 in real time, converting the high voltage to a low voltage through electromagnetic induction. This voltage is then converted to a low voltage signal suitable for processing by the signal processing module via a low-temperature-coefficient sampling resistor and transmitted to the signal processing module. The signal processing module then processes the signal. A low-noise amplifier efficiently amplifies the weak voltage signal, minimizing noise while amplifying the signal. A high-order active filter employs a fourth-order Butterworth filter circuit to effectively filter out interference above 20kHz. A high-speed analog-to-digital converter rapidly converts the filtered analog signal into a digital signal at a sampling rate of 1MSPS. The processed digital voltage data is transmitted to the external control system at a high rate of 5Gbps via the USB 3.0 data port 30 on the front of the plug housing 1. The external control system uses the received voltage data to monitor the electrical connection status in real time. If any abnormality in the data, such as overvoltage or undervoltage, is detected, an alarm is issued and appropriate control measures, such as power off or adjustment of equipment operating parameters, are implemented according to pre-set procedures.

[0034] S2: During operation of the industrial connector, when current passes through the plug conductive terminals 7 and the receptacle conductive terminals 8, Joule heating is generated due to the resistance of the conductors. Simultaneously, internal components such as the voltage detection module 28 and the signal processing module also generate heat, causing the connector's internal temperature to gradually rise. At this point, the first and second thermally conductive frames 3 and 4 play a crucial role in heat conduction. Made of metal materials with high thermal conductivity, such as aluminum alloy or copper alloy, they can quickly absorb heat generated by the plug conductive terminals 7 and the receptacle conductive terminals 8, as well as internal components. Several vents 5 are evenly distributed across the surfaces of the first and second thermally conductive frames 3 and 4. Each vent 5 is uniformly arranged with multiple heat dissipating fins 6 arranged in a circular pattern within the vent. This design significantly increases the contact area with air. When the cooling fan 11 is activated, air is forced to flow. Air enters through the heat dissipation vents 13 on the left cover 12 of the plug housing 1, flows through the vents 5 and heat dissipating fins 6, then flows into the receptacle housing 2, and finally exits through the heat dissipation vents 13 on the right cover 12 of the receptacle housing 2. During the air flow process, heat is transferred from the first heat-conducting frame 3 and the second heat-conducting frame 4 to the surface of the heat dissipation fins 6 through heat conduction, and then transferred to the flowing air through heat convection. Since the heat dissipation fins 6 greatly increase the heat dissipation area, the heat exchange rate between the heat and the air is accelerated, so that the air can quickly take away the heat. The hot air is discharged from the heat dissipation port 13 on the other side, forming a complete heat dissipation cycle. It effectively reduces the temperature inside the connector, avoids the accelerated aging of components due to excessive temperature, ensures that the internal components such as the voltage detection module 28 and the signal processing module work stably in a suitable temperature environment, improves the accuracy and stability of voltage detection, extends the service life of the industrial connector, and reduces equipment failures and maintenance costs caused by temperature problems. It is of great significance to ensure the continuity and stability of industrial production.

[0035] The working principle and usage process of the present invention are as follows: When using this industrial connector with voltage detection, the operator first connects the plug housing 1 to the socket housing 2. During the plug insertion process, the fixing brackets 9 and the compression spring 10 fixed on the front and rear sides of the plug housing 1 work together to provide buffering protection for the plug conductive terminals 7. When the plug is subjected to insertion force, the plug conductive terminals 7 move toward the socket conductive terminals 8, at which time the compression spring 10 connected to the plug conductive terminals 7 is compressed. According to Hooke's law, the compression spring 10 generates an elastic force in the opposite direction of the external force. As the insertion force increases, the compression of the compression spring 10 increases, and the elastic force also increases accordingly. This converts a portion of the insertion force into the elastic potential energy of the compression spring 10, effectively reducing damage to the plug conductive terminals 7 caused by the impact of insertion and removal, preventing deformation or wear, and ensuring the stability and reliability of the electrical connection from a mechanical structural perspective. After the plug and socket are properly connected, the power module begins to operate, providing stable power to the voltage detection module 28 and the signal processing module. The high-precision voltage transformer primary coil in the voltage detection module 28 is connected to the plug's conductive terminal 7. It monitors the voltage on the plug's conductive terminal 7 in real time, converting the high voltage to a low voltage through electromagnetic induction. This voltage is then converted to a low voltage signal suitable for processing by the signal processing module via a low-temperature-coefficient sampling resistor and transmitted to the signal processing module. The signal processing module then processes the signal. A low-noise amplifier efficiently amplifies the weak voltage signal, minimizing noise while amplifying the signal. A high-order active filter employs a fourth-order Butterworth filter circuit to effectively filter out interference above 20kHz. A high-speed analog-to-digital converter rapidly converts the filtered analog signal into a digital signal at a sampling rate of 1MSPS. The processed digital voltage data is transmitted to the external control system at a high rate of 5Gbps via the USB 3.0 data port 30 on the front of the plug housing 1. The external control system uses the received voltage data to monitor the electrical connection status in real time. If any abnormality in the data, such as overvoltage or undervoltage, is detected, an alarm is issued and appropriate control measures, such as power off or adjustment of equipment operating parameters, are implemented according to pre-set procedures.

[0036] During operation of the industrial connector, when current passes through the plug terminals 7 and the receptacle terminals 8, Joule heating is generated due to the resistance of the conductors. Simultaneously, internal components such as the voltage detection module 28 and the signal processing module also generate heat, causing the connector's internal temperature to gradually rise. At this point, the first and second thermally conductive frames 3 and 4 play a crucial role in heat conduction. Made of metal materials with high thermal conductivity, such as aluminum alloy or copper alloy, they quickly absorb heat generated by the plug terminals 7 and the receptacle terminals 8, as well as internal components. Several vents 5 are evenly distributed across the surfaces of the first and second thermally conductive frames 3 and 4. Each vent 5 is uniformly arranged with multiple heat dissipating fins 6 arranged in a circular pattern within the vent. This design significantly increases the contact area with air. When the cooling fan 11 is activated, air is forced to flow. Air enters through the heat dissipation vents 13 on the left cover 12 of the plug housing 1, flows through the vents 5 and heat dissipating fins 6, then flows into the receptacle housing 2, and finally exits through the heat dissipation vents 13 on the right cover 12 of the receptacle housing 2. During the air flow process, heat is transferred from the first heat-conducting frame 3 and the second heat-conducting frame 4 to the surface of the heat dissipation fins 6 through heat conduction, and then transferred to the flowing air through heat convection. Since the heat dissipation fins 6 greatly increase the heat dissipation area, the heat exchange rate between the heat and the air is accelerated, so that the air can quickly take away the heat. The hot air is discharged from the heat dissipation port 13 on the other side, forming a complete heat dissipation cycle. It effectively reduces the temperature inside the connector, avoids the accelerated aging of components due to excessive temperature, ensures that the internal components such as the voltage detection module 28 and the signal processing module work stably in a suitable temperature environment, improves the accuracy and stability of voltage detection, extends the service life of the industrial connector, and reduces equipment failures and maintenance costs caused by temperature problems. It is of great significance to ensure the continuity and stability of industrial production.

[0037] The above-mentioned voltage detection module 28, signal processing module, power module, plug conductive terminal 7 and socket conductive terminal 8 are all existing common technologies and are common knowledge among people in this field, and will not be described in detail in this application.

[0038] Conventional connectors transmit current only through the core contact surface between the plug conductive terminal 7 and the receptacle conductive terminal 8. The addition of auxiliary conductive posts 26 expands the contact points from a single point to multiple points. This increased contact area reduces current density and localized heating. According to Joule's law (Q = I²Rt), a reduction in resistance R directly reduces heat generation.

[0039] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0040] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. An industrial connector with voltage detection, comprising a plug housing (1), characterized in that: A socket shell (2) is provided on the right side of the plug shell (1), and a slide groove is provided on the front and rear sides of the top and bottom inner walls of the plug shell (1), and a slider is slidably connected inside the slide groove. A first heat-conducting frame (3) and a second heat-conducting frame (4) are provided inside the plug shell (1) and the socket shell (2), respectively. The slider is fixedly connected to the first heat-conducting frame (3), and the socket shell (2) is fixedly connected to the second heat-conducting frame (4). A plug conductive terminal (7) and a socket conductive terminal (8) are fixedly connected inside the first heat-conducting frame (3) and the second heat-conducting frame (4), respectively. The plug conductive terminal (7) and the socket conductive terminal (8) are fixedly connected inside. The plug housing (1) is connected to a fixing frame (9) on both the front and rear sides thereof, and a compression spring (10) is fixedly connected to the right side of the fixing frame (9). The end of the compression spring (10) away from the fixing frame (9) is fixedly connected to the plug conductive terminal (7). The left side of the fixing frame (9) is fixedly connected to a heat dissipation fan (11). Ventilation holes (5) are provided on the surfaces of the first heat-conducting frame (3) and the second heat-conducting frame (4). The number of the vents (5) is several, and the vents (5) are evenly distributed on the surfaces of the first heat-conducting frame (3) and the second heat-conducting frame (4). Heat dissipation fins (6) are provided inside the vents (5). The number of the heat dissipation fins (6) is several, and the heat dissipation fins (6) are evenly distributed in a ring shape inside the vent (5). The left side of the plug housing (1) and the right side of the socket housing (2) are fixedly connected with a cover plate (12) by bolts. The surface of the cover plate (12) is provided with a heat dissipation port (13). The number of the heat dissipation port (13) is several. The back side of the inner wall of the plug housing (1) is fixedly connected with a voltage detection module (28). The voltage detection module (28) includes a high-precision voltage transformer and a low temperature coefficient sampling resistor. The primary coil of the high-precision voltage transformer is connected to the plug conductive terminal (7). The high-precision The secondary coil of the voltage transformer is connected to a low temperature coefficient sampling resistor. The high-precision voltage transformer adopts a high magnetic permeability iron core material, and its ratio error is less than 0.1%, and its phase error is less than 0.5°, which can achieve high-precision isolation detection of high voltage. The low temperature coefficient sampling resistor is a metal foil resistor with a temperature coefficient of less than ±5ppm / °C. It can stably convert the voltage output by the transformer secondary into a small voltage signal suitable for processing by the signal processing module, thereby reducing the detection error caused by temperature change. The surface of the plug conductive terminal (7) is fixedly connected with an auxiliary conductive column (26), and the auxiliary conductive column (26) is plugged into the socket conductive terminal (8).

2. The industrial connector with voltage detection according to claim 1, characterized in that: An electrical box (29) is fixedly connected to the back of the inner wall of the plug housing (1), and a signal processing module and a power supply module are respectively provided inside the electrical box (29). The signal processing module includes a low-noise amplifier, a high-order active filter and a high-speed analog-to-digital converter. The noise coefficient of the low-noise amplifier is less than 1dB, and it can efficiently amplify the weak voltage signal output by the sampling resistor. The high-order active filter adopts a fourth-order Butterworth filter circuit, which can deeply filter the amplified signal and effectively remove the clutter interference above 20kHz. The sampling rate of the high-speed analog-to-digital converter can reach 1MSPS, and it can quickly convert the filtered analog signal into a digital signal, which is convenient for subsequent data transmission and processing.

3. The industrial connector with voltage detection according to claim 2, characterized in that: A data interface (30) is provided on the front of the plug housing (1). The data interface (30) adopts the USB 3.0 interface standard and is electrically connected to the signal processing module. It can transmit processed voltage data to an external control system at a transmission rate of up to 5 Gbps, meeting the demand for real-time transmission of voltage data in industrial production.

4. The industrial connector with voltage detection according to claim 1, characterized in that: The plug housing (1) and the socket housing (2) both include a base layer (14), an electromagnetic shielding layer (15) is provided on the outside of the base layer (14), a protective layer (16) is provided on the outside of the electromagnetic shielding layer (15), and an anti-slip and wear-resistant layer (17) is provided on the outside of the protective layer (16).

5. The industrial connector with voltage detection according to claim 1, characterized in that: The surface of the plug housing (1) is fixedly connected to a limiting frame (18), the number of the limiting frames (18) is several, the cross section of the limiting frame (18) is L-shaped, the limiting frame (18) is fitted with the socket housing (2), the front and rear sides of the plug housing (1) and the front and rear sides of the socket housing (2) are respectively fixedly connected to a first connecting frame (19) and a second connecting frame (20), the surface of the first connecting frame (19) is fixedly connected to a guide cylinder (21), and the guide cylinder (21) is conical.

6. The industrial connector with voltage detection according to claim 1, characterized in that: The top of the plug housing (1) is fixedly connected to a mounting frame (22), the front and rear sides of the top of the socket housing (2) are rotatably connected to a locking frame (23), the locking frame (23) is snap-fitted to the mounting frame (22), the front and rear sides of the top of the socket housing (2) are fixedly connected to a support frame (24), the support frame (24) is rotatably connected to the locking frame (23), the top of the inner wall of the support frame (24) is fixedly connected to a torsion spring (25), the other end of the torsion spring (25) is fixedly connected to the support frame (24), and the top of the locking frame (23) is fixedly connected to a shifting rod.

7. The industrial connector with voltage detection according to claim 1, characterized in that: A sealing ring (27) is fixedly connected to the right side of the socket housing (2), and the sealing ring (27) is in close contact with the socket housing (2).

8. The method for using an industrial connector with voltage detection according to claim 1, characterized in that: The following steps are involved: S1: When using the industrial connector with voltage detection, the operator first connects the plug housing (1) to the socket housing (2). During the plug insertion process, the fixing frame (9) and the compression spring (10) fixed on the front and rear sides of the plug housing (1) work together to provide buffer protection for the plug conductive terminal (7). When the plug is subjected to insertion force, the plug conductive terminal (7) moves toward the socket conductive terminal (8), and the compression spring (10) connected to the plug conductive terminal (7) is squeezed. According to Hooke's law, the compression spring (10) will generate an elastic force in the opposite direction of the external force. As the insertion force increases, the compression of the compression spring (10) increases, and the elastic force also increases accordingly, converting part of the insertion force into the elastic potential energy of the compression spring (10), effectively reducing the damage to the plug conductive terminal (7) caused by the impact of plugging and unplugging, avoiding deformation or wear, and ensuring the stability and reliability of the electrical connection from the mechanical structure level. After the plug and the socket are plugged in, the power module starts to work and provides stable power to the voltage detection module (28) and the signal processing module. The primary coil of the high-precision voltage transformer in the voltage detection module (28) is connected to the plug conductive terminal (7), monitors the voltage on the plug conductive terminal (7) in real time, converts the high voltage into a low voltage through the principle of electromagnetic induction, and then converts it into a small voltage signal suitable for processing by the signal processing module through a low temperature coefficient sampling resistor, and transmits it to the signal processing module. The signal processing module processes the signals in sequence. The low-noise amplifier efficiently amplifies the weak voltage signal, minimizing noise introduction while amplifying the signal. The high-order active filter uses a fourth-order Butterworth filter circuit to deeply filter out interference from noise above 20kHz. The high-speed analog-to-digital converter quickly converts the filtered analog signal into a digital signal at a sampling rate of 1MSPS. The processed digital voltage data is transmitted to the external control system at a high rate of 5Gbps through the USB 3.0 data interface (30) on the front of the plug housing (1). The external control system monitors the electrical connection status in real time based on the received voltage data. Once the data shows abnormalities, such as overvoltage or undervoltage, it can issue an alarm in time and take corresponding control measures according to the preset procedures, such as cutting off the power supply and adjusting the equipment operating parameters. 9.S2: During the operation of the industrial connector, when current passes through the plug conductive terminal (7) and the socket conductive terminal (8), Joule heat is generated due to the resistance of the conductor. At the same time, the operation of internal components such as the voltage detection module (28) and the signal processing module also generates heat, causing the temperature inside the connector to gradually increase. At this time, the first heat-conducting frame (3) and the second heat-conducting frame (4) play a key role in heat conduction. They are made of metal materials with high thermal conductivity, such as aluminum alloy or copper alloy, and can quickly absorb the heat generated by the plug conductive terminal (7), the socket conductive terminal (8) and the internal components. A number of ventilation holes (5) are evenly distributed on the surface of the first heat-conducting frame (3) and the second heat-conducting frame (4). Each ventilation hole (5) is evenly arranged with a number of heat dissipation fins (6) in a ring shape inside. This design greatly increases the contact area with the air. When the cooling fan (11) is started, air is forced to flow. The air enters from the heat dissipation port (13) on the left cover (12) of the plug housing (1), flows through the vent (5) and the heat dissipation fins (6), then flows into the socket housing (2), and finally is discharged through the heat dissipation port (13) on the right cover (12) of the socket housing (2). During the air flow process, heat is transferred from the first heat conduction frame (3) and the second heat conduction frame (4) to the surface of the heat dissipation fins (6) by heat conduction, and then the heat is transferred to the flowing air by heat convection. Since the heat dissipation fins (6) greatly increase the heat dissipation area, the heat exchange rate between the heat and the air is accelerated, so that the air can quickly carry away the heat. The hot air is discharged from the heat dissipation port (13) on the other side, forming a complete heat dissipation cycle. The temperature inside the connector is effectively reduced, which prevents the accelerated aging of components due to excessive temperature, ensures that the internal components such as the voltage detection module (28) and the signal processing module can operate stably under a suitable temperature environment, improves the accuracy and stability of voltage detection, extends the service life of the industrial connector, and reduces equipment failures and maintenance costs caused by temperature problems, which is of great significance to ensuring the continuity and stability of industrial production.

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