Intelligent plug device for high-voltage electric connector

Abstract

The utility model provides an intelligent plug device for a high-voltage electric connector, which relates to the field of intelligent plugs and comprises an insulating shell, a plug fitting is arranged in an inner cavity of the insulating shell, a circuit board is fixedly connected to the inner cavity of the insulating shell and located on the surface of the plug fitting, and the circuit board comprises a power module, a control module and a wireless module. According to the utility model, the power supply module adopts a high-voltage electric field and space electricity taking, the control module adopts a low-power-consumption master control chip for control, the wireless module adopts a LoRa long-distance wireless transmission technology, long-distance and low-power-consumption wireless communication is realized, data can be transmitted to a gateway through the wireless module, and real-time temperature monitoring is realized. The state of each intelligent plug can be monitored in real time in a wireless transmission mode, potential safety hazards can be found in time, operation safety and stability of a power grid are improved, data transmission is carried out in the wireless transmission mode, field operation of line patrol workers is avoided, risks are reduced, and efficiency is improved.

Description

Technical Field

[0001] This utility model belongs to the field of intelligent plugs, specifically a high-voltage electrical connector intelligent plug device. Background Technology

[0002] A temperature measuring insulating plug is a device that combines temperature measurement and insulation functions. It is commonly used in electrical equipment or systems to ensure that short circuits or safety accidents will not occur due to conductivity during temperature measurement. It is suitable for occasions that require accurate temperature measurement and have strict requirements for insulation performance. It has been widely used in ring main units, cable branch boxes, power equipment and other scenarios.

[0003] With the innovation of related technologies and the increasing demands of users, the insulating plugs used are required to achieve effective and accurate temperature measurement, low failure rate, and online monitoring. To meet these requirements, traditional modulation and coding such as FSK are currently used, and high-precision temperature sensors are employed. On the one hand, this increases the cost of the insulating plugs, and on the other hand, the limitations of communication technology restrict the transmission distance, reducing the practicality of the device.

[0004] In summary, this utility model provides an intelligent plug device for high-voltage electrical connectors to solve the above-mentioned problems. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0006] A high-voltage electrical connector intelligent plug device includes an insulating housing, an inner cavity of which a plug fitting is provided, and a circuit board is fixedly connected to the inner cavity of the insulating housing and the surface of the plug fitting. The circuit board includes a power module, a control module and a wireless module, and the inner cavity of the insulating housing is provided with a first shielding layer and a second shielding layer.

[0007] Furthermore, in this invention, the control module is controlled by a low-power main control chip, and temperature information is accurately transmitted at time through a MOS transistor and transistor switching circuit, and real-time temperature is collected by a temperature sensor in the temperature acquisition circuit.

[0008] Furthermore, in this invention, the wireless module adopts LoRa long-distance wireless transmission technology, uses a high-dielectric, low-loss patch antenna scheme, and employs precise impedance matching.

[0009] Furthermore, in this utility model, the wireless module, temperature sensor, and main control chip are all encapsulated on a circuit board inside an insulating housing, and the circuit board is fixed to the end cap fitting to form a temperature measurement module.

[0010] Furthermore, in this invention, the first shielding layer is a shielding cover made of semi-conductive rubber material, and the second shielding layer is a sprayed shielding layer attached to the inner wall of the temperature measuring insulating plug.

[0011] Beneficial effects: This utility model has the following beneficial effects:

[0012] This utility model's power module utilizes a high-voltage electric field and spatial power extraction. The control module employs a low-power main control chip for control, primarily implementing timing, temperature acquisition, and control communication functions. The wireless module utilizes LoRa long-distance wireless transmission technology to achieve long-distance, low-power wireless communication. The temperature sensor, control chip, and wireless transmitter are encapsulated on a circuit board inside an insulating housing, which is then fixed to the plug fittings, thus forming the temperature measurement module. The wireless module transmits data to a gateway for real-time temperature monitoring. The wireless transmission method allows for real-time monitoring of the status of each smart plug, enabling timely detection of safety hazards and improving the safe and stable operation of the power grid. Furthermore, the use of wireless data transmission eliminates the need for on-site work by line patrol workers, reducing risks and increasing efficiency. Attached Figure Description

[0013] Figure 1 This is a side view sectional structural schematic diagram of this utility model;

[0014] Figure 2 This is a system diagram of the circuit board of this utility model.

[0015] In the picture:

[0016] 1. Insulating shell; 2. End cap fitting; 3. Circuit board; 31. Power module; 32. Control module; 33. Wireless module; 4. First shielding layer; 5. Second shielding layer. Detailed Implementation

[0017] To better understand the technical content of this utility model, specific embodiments are described below in conjunction with the accompanying drawings. Various aspects of this utility model are described in this disclosure with reference to the accompanying drawings, which illustrate numerous illustrative embodiments. The embodiments of this disclosure are not necessarily defined to include all aspects of this utility model. It should be understood that the various concepts and embodiments described above, as well as those described in more detail below, can be implemented in any of many ways, because the concepts and embodiments disclosed in this utility model are not limited to any particular implementation. Furthermore, some aspects of this utility model can be used alone or in any suitable combination with other aspects disclosed in this utility model.

[0018] Example 1

[0019] like Figure 1-2As shown, this is the first embodiment of the present invention. This embodiment provides a high-voltage electrical connector intelligent plug device, including an insulating shell 1. A plug fitting 2 is provided in the inner cavity of the insulating shell 1. A circuit board 3 is fixedly connected to the inner cavity of the insulating shell 1 and on the surface of the plug fitting 2. The circuit board 3 includes a power module 31, a control module 32 and a wireless module 33. A first shielding layer 4 and a second shielding layer 5 are provided in the inner cavity of the insulating shell 1.

[0020] like Figure 1-2 As shown, the power module 31 uses a high-voltage electric field and space power extraction. It collects energy through a 10KV high-voltage connector and stores the energy in a capacitor. The stored energy is converted into the required voltage by the switch control circuit and the power supply's own control unit according to the set time for subsequent circuit functions. The control module 32 uses a low-power main control chip for control. This module mainly realizes timing function, temperature acquisition function and control communication. The wireless module 33 uses LoRa long-distance wireless transmission technology to realize long-distance, low-power wireless communication, achieving a longer transmission distance and lower power consumption compared to traditional wireless systems. At the same time, it adopts a high-dielectric, low-loss patch antenna scheme and uses precise impedance matching. Compared with traditional microstrip antennas, patch antennas have better performance and yield, improving the quality and distance of column communication. The temperature sensor, control chip and wireless transmission unit are packaged on the circuit board 3 inside the insulating shell 1, and the circuit board 3 is fixed to the measuring plug hardware 2, thus forming the temperature measurement module. The wireless module 33 can transmit data to the gateway to realize real-time temperature monitoring.

[0021] Example 2

[0022] Reference Figure 1-2 This is the second embodiment of the present invention, which is based on the previous embodiment.

[0023] In this embodiment, the control module 32 uses a low-power main control chip for control, and accurately transmits temperature information at time through a MOS transistor and a transistor switching circuit, and collects real-time temperature through a temperature sensor in the temperature acquisition circuit.

[0024] The wireless module 33 adopts LoRa long-distance wireless transmission technology, uses a high-dielectric, low-loss patch antenna scheme and precise impedance matching.

[0025] like Figure 1-2As shown, the control module 32 uses a low-power main control chip for control. This module mainly realizes three functions: accurately transmitting temperature information at precise timing through the switching circuit of MOSFET and transistor to achieve the timing function; acquiring real-time temperature through the temperature acquisition circuit and using a temperature compensation algorithm to compensate and calibrate the temperature loss from the heating point to the measurement input point to accurately obtain the temperature of the heating point to achieve the temperature acquisition function; and controlling the LoRa module to transmit and receive data to achieve the control communication function.

[0026] Example 3

[0027] Reference Figure 1-2 This is the third embodiment of the present invention, which is based on the first two embodiments.

[0028] In this embodiment, the wireless module 33, the temperature sensor, and the main control chip are all encapsulated on the circuit board 3 inside the insulating housing 1, and the circuit board 3 is fixed to the plug fitting 2 to form a temperature measuring module.

[0029] The first shielding layer 4 is a shielding cover made of semi-conductive rubber material, and the second shielding layer 5 is a layer of sprayed shielding attached to the inner wall of the temperature measuring insulating plug.

[0030] like Figure 1-2 As shown, the wireless module 33 adopts LoRa long-distance wireless transmission technology to achieve long-distance, low-power wireless communication, achieving a longer transmission distance and lower power consumption compared to traditional wireless systems. At the same time, it adopts a high-dielectric, low-loss patch antenna scheme and uses precise impedance matching. Compared with traditional microstrip antennas, patch antennas have better performance and yield, improving the quality and distance of column communication. Through the wireless module 33, data can be transmitted to the gateway to achieve real-time temperature monitoring. The temperature sensor, control chip, and wireless transmission unit are encapsulated on the circuit board 3 inside the insulating shell 1, and the circuit board 3 is fixed to the measuring plug hardware 2, thus forming the temperature measuring module. The temperature measuring plug has a double-layer shielding structure. The first shielding layer 4 is a shielding cover made of semi-conductive rubber material, and the second shielding layer 5 is a layer of sprayed shielding attached to the inner wall of the temperature measuring insulating plug.

[0031] In use, the control module 32 employs a low-power main control chip for control, accurately transmitting temperature information at precise timings via a MOSFET and transistor switching circuit, thus fulfilling its timing function. It acquires real-time temperature data through a temperature acquisition circuit and uses a temperature compensation algorithm to compensate and calibrate the temperature loss from the heating point to the measurement input point, accurately obtaining the heating point temperature, thus fulfilling its temperature acquisition function. It controls the LoRa module for data transmission and reception, fulfilling its control communication function. The wireless module 33 uses LoRa long-distance wireless transmission technology to achieve long-distance, low-power wireless communication. It also employs a high-dielectric, low-loss patch antenna scheme with precise impedance matching, resulting in better performance and yield. The wireless module 33 transmits data to the gateway for real-time temperature monitoring. The insulating housing 1, used in electrical equipment, can transmit the temperature status of the intelligent plug measuring the heating point to the backend for real-time monitoring of the operating status.

[0032] All standard parts used in this application can be purchased from the market, and can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be implemented by simple programming by those skilled in the art and is common knowledge in the field. Since this application is mainly used to protect mechanical devices, the control method and circuit connection will not be explained in detail in this application.

[0033] Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Those skilled in the art to which this invention pertains can make various modifications and refinements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of this invention shall be determined by the claims.

Claims

1. A high-voltage electrical connector intelligent plug device comprising an insulating shell (1), characterized in that: The inner cavity of the insulating shell (1) is provided with a plug fitting (2), the inner cavity of the insulating shell (1) and the surface of the plug fitting (2) are fixedly connected with a circuit board (3), the circuit board (3) comprises a power module (31), a control module (32) and a wireless module (33), the inner cavity of the insulating shell (1) is provided with a first shielding layer (4) and a second shielding layer (5).

2. The high-voltage electrical joint smart plug device of claim 1, wherein: The control module (32) is controlled by a low-power main control chip, accurately and timely transmits temperature information through a MOS tube and a transistor switching circuit, and collects real-time temperature through a temperature measuring sensor in a temperature collection circuit.

3. The high-voltage electrical joint smart plug apparatus of claim 1, wherein: The wireless module (33), the temperature measuring sensor and the main control chip are packaged on the circuit board (3) in the insulating shell (1), and the circuit board (3) and the plug fitting (2) are fixed, forming a temperature measuring module.

4. The high-voltage electrical joint smart cap device of claim 1, wherein: The first shielding layer (4) is a shielding cover made of semi-conductive rubber material, and the second shielding layer (5) is a layer of sprayed shielding attached to the inner wall of the temperature measuring insulating plug.

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