Solid-sealed polar pole electricity-taking power supply voltage sensor combination

By integrating the power source and voltage sensor within the solid-sealed electrode, and employing an integrated packaging and sealing structure, the problems of complex structure and poor sealing of traditional solid-sealed electrodes are solved, achieving miniaturization, stabilization, and improved reliability of the equipment.

CN223858078UActive Publication Date: 2026-01-30TENPRO ELEC-POWER SCI-TECH LLC
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Patent Information

Application Number
CN202520336667.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-27
Publication Date
2026-01-30
Estimated Expiration
2035-02-27

AI Technical Summary

Technical Problem

Traditional solid-sealed terminals do not fully consider the integration of power supply and voltage sensor, resulting in complex structure, large size, poor connection sealing effect, high production cost, and susceptibility to damage in harsh environments.

Method used

The power supply and voltage sensing device are integrated into a solid-sealed pole with an integrated encapsulation structure, a sealing structure and heat dissipation fins, and thermal grease to enhance heat conduction efficiency. Power conversion and signal acquisition are achieved through a rectifier and voltage regulator assembly and a capacitor voltage divider unit. The mounting head and the sealing cover are connected by threads to enhance the sealing performance.

Benefits of technology

It significantly reduces equipment size, improves equipment stability and reliability, enhances sealing performance, ensures stable operation in harsh environments, reduces the probability of failure, improves power quality and electromagnetic induction efficiency, and extends equipment life.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a solid-sealed polar pole electricity-taking power supply voltage sensor combination, and aims to provide the solid-sealed polar pole electricity-taking power supply voltage sensor combination which is stable in connection and good in quality, and the key points of the technical scheme are that the solid-sealed polar pole electricity-taking power supply voltage sensor combination comprises a solid-sealed polar pole, and an electricity-taking power supply device and a voltage sensing device are arranged in the solid-sealed polar pole; the electricity-taking power supply device comprises an electricity-taking iron core arranged at the upper end of the solid-sealed polar pole, a rectifying and voltage-stabilizing assembly connected with the electricity-taking iron core in series and an overvoltage protection unit, and the voltage sensing device comprises a capacitance voltage-dividing unit directly connected with the high-voltage end of the solid-sealed polar pole, a conversion circuit and an output connector connected with the conversion circuit. Sealing structures are arranged at the connecting positions, extending out of the solid-sealed polar pole, of the electricity taking iron core and the output connector. Each sealing structure comprises an installation head with a threaded structure and a sealing cover matched with the installation head. The solid-sealed polar pole is suitable for the technical field of solid-sealed polar poles.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of solid seal pole technical field, more specifically, it relates to a solid seal pole power supply voltage sensor combination. BACKGROUND

[0002] Traditional solid seal pole does not fully consider the integration of power supply and voltage sensor in design, leading to complex structure, bulky. In the selection of voltage sensor and high-voltage energy extraction capacitor, there are many schemes, but each has defects, such as the capacitor module formed by welding a plurality of thin film capacitors in series outside the circuit board, the number of fault points is large, the anti-interference ability is weak, and the volume is large under the same capacity. The insulation performance of cylindrical thin film capacitor is not as good as that of capacitor module. Small capacity ceramic capacitor has breakdown hazard and does not have carrier communication function, and lacks fuse to protect primary switch circuit. The sealing effect of the connection part of input and output is poor, rainwater enters the inside and damages the internal electronic components. In addition, the secondary pouring process involves manual operation, which is complicated, low in efficiency and greatly affected by human factors, leading to difficulty in quality control of solid seal pole and high production cost. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model aims to provide a solid seal pole power supply voltage sensor combination with stable connection and good quality.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a solid seal pole power supply voltage sensor combination, comprising a solid seal pole, the solid seal pole is provided with a power supply device and a voltage sensing device, the power supply device comprises a power extraction core arranged at the upper end of the solid seal pole, a rectifier voltage stabilizing component connected in series with the power extraction core and an overvoltage protection unit, the voltage sensing device comprises a capacitor voltage dividing unit directly connected with the high-voltage end of the solid seal pole, a conversion circuit and an output connector connected with the conversion circuit, the power extraction core and the output connector extending to the connection outside the solid seal pole are provided with sealing structures, and the sealing structures comprise mounting heads provided with thread structures and sealing covers matched with the mounting heads.

[0005] The utility model is further provided: the mounting head is provided with a groove integrally formed with the solid seal pole, and the mounting head and the groove are provided with sealing rings at the connection positions with the sealing cover.

[0006] The utility model is further provided: the solid seal pole is an integrated packaging structure, the power supply device and the voltage sensing device are integrally packaged, and the surface of the solid seal pole is further provided with heat dissipation fins.

[0007] The utility model further sets up: the integrated encapsulation structure inside fills the heat conducting silicone grease, is used for enhancing the heat conduction efficiency between internal element and solid seal pole.

[0008] The utility model further sets up: the rectifier voltage stabilizing component includes the rectifier bridge of converting alternating current into direct current, the voltage stabilizing chip of output stable direct current voltage and the filter capacitor of filtering and outputting relatively smooth direct current to pulsating direct current.

[0009] The utility model further sets up: the capacitor voltage dividing unit is constituted by a plurality of high voltage ceramic capacitors in series.

[0010] The utility model further sets up: the electricity taking core is annular structure, and the cross section area of annular structure is optimized design according to the number of turns of electricity taking winding and current size, to improve electromagnetic induction efficiency.

[0011] The utility model has the advantages of:

[0012] 1. integrate the electricity taking power supply device and voltage sensing device in the solid seal pole, significantly reduce the overall volume of equipment, reduce space occupation, provide convenience for the compact layout of power equipment, reduce the installation difficulty and cost caused by the too large size of equipment, the electricity taking core is matched with rectifier voltage stabilizing component, can obtain electric energy from the power grid and convert into stable direct current power supply, provides reliable power support for other electronic equipment in the solid seal pole, ensures the stable operation of equipment under different power grid conditions, avoids equipment failure or misoperation caused by voltage fluctuation, the overvoltage protection unit effectively prevents the damage of too high voltage to equipment, the capacitor voltage dividing unit is directly connected with the high voltage end of solid seal pole, can accurately collect high voltage side voltage signal, after the processing of conversion circuit, output stable, accurate voltage signal through output connector, the output connector cooperates with the sealing structure, can effectively resist external environmental interference while ensuring stable signal output, the threaded connection mode of installation head and sealing cover forms good sealing, effectively prevents moisture, dust, impurities etc. from entering the solid seal pole inside, avoids the corrosion, short circuit etc. caused by the electricity taking power supply device and voltage sensing device, improves the adaptability and reliability of equipment in harsh environment, can be widely applied to the power equipment in outdoor, humid etc. Special environment.

[0013] 2. The solid-encapsulated terminal adopts an integrated packaging structure, encapsulating the power supply unit and voltage sensing device within a single unit, greatly enhancing the overall integrity and stability of the equipment. Compared to traditional distributed assembly, this reduces the number of connection points between components, lowering the probability of malfunctions caused by loose connections and improving the reliability of long-term stable operation under complex conditions. The heat dissipation fins on the surface of the solid-encapsulated terminal increase the heat dissipation area, effectively dissipating internal heat to the surrounding environment. The thermally conductive silicone grease filling the integrated packaging structure significantly enhances the heat conduction efficiency between the internal components and the solid-encapsulated terminal, allowing heat generated by the components to be quickly transferred to the surface of the solid-encapsulated terminal and then dissipated through the heat dissipation fins. This effectively reduces the operating temperature of the internal components, preventing performance degradation, shortened lifespan, or even damage due to excessive temperature, ensuring that the power supply unit and voltage sensing device maintain good operating performance even in high-temperature environments.

[0014] 3. The rectifier bridge converts the AC power obtained from the power core into DC power, providing a suitable current form for subsequent equipment. This conversion process is efficient and stable, ensuring that the electrical energy obtained from the grid can be effectively utilized by the electronic components within the equipment, guaranteeing the basic stability of the power supply. The voltage regulator chip can output a stable DC voltage, which can cope with grid voltage fluctuations and load changes. The filter capacitor filters the pulsating DC power, outputting a smoother DC power, effectively removing the AC component from the DC power, reducing voltage ripple, reducing signal interference and equipment failure caused by power supply noise, and improving the power quality of the entire power supply device. The capacitor voltage divider unit is a voltage divider network composed of multiple high-voltage ceramic capacitors connected in series, which can accurately divide the high voltage at the high voltage end of the solid-sealed terminal. By reasonably selecting the capacitor parameters, a low voltage signal proportional to the high voltage can be accurately obtained, providing a suitable input voltage for subsequent conversion circuits, and realizing accurate measurement and monitoring of the high voltage.

[0015] 4. The mounting head features an integrally formed groove with the solid-sealed pole, and sealing rings are provided at the connections between the mounting head, the groove, and the sealing cover. This double sealing greatly enhances the sealing effect, ensuring the safe and stable operation of the power supply device and voltage sensing device even in harsh environments such as high humidity, dust, or chemical pollution, extending the equipment's service life. This not only strengthens the connection between the sealing structure and the solid-sealed pole but also makes the installation of the sealing cover more convenient and precise. The power-harvesting core adopts a ring structure, and by optimizing the structure and cross-sectional area of ​​the core, electromagnetic induction efficiency is improved, and the number of turns of the power-harvesting winding and the core size can be reasonably adjusted according to actual needs, contributing to the miniaturization design of the power supply device. While meeting the equipment's power requirements, this reduces the space occupied by the power supply device within the solid-sealed pole, providing more flexibility for the layout of other devices inside the pole and promoting the overall compactness and integration of the solid-sealed pole. Attached Figure Description

[0016] Fig. 1 This is a schematic diagram of the internal structure of the present invention;

[0017] Fig. 2 This is a magnified view of point A;

[0018] Figs. 1-2 Reference numerals: 1. Solid-sealed pole; 2. Power supply device; 3. Sensing device; 4. Power supply core; 5. Output connector; 6. Mounting head; 7. Sealing cover; 8. Groove; 9. Sealing ring; 10. Heat dissipation fins; 11. Thermal grease. Detailed Implementation

[0019] Reference Figs. 1 to 2 The embodiments of this utility model will be further described below.

[0020] For ease of explanation, spatial relative terms such as “up,” “down,” “left,” and “right” are used in the embodiments to describe the relationship of one element or feature shown in the figures relative to another element or feature. It should be understood that, in addition to the orientations shown in the figures, spatial terms are intended to include different orientations of the device in use or operation. For example, if the device in the figures is inverted, an element described as being “down” of other elements or features would be positioned “up” of those other elements or features. Therefore, the exemplary term “down” can encompass both up and down orientations. The device may be positioned in other ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0021] Moreover, relational terms such as “first” and “second” are used merely to distinguish one component from another that has the same name, without necessarily requiring or implying any such actual relationship or order between the components.

[0022] Figs. 1 to 2The voltage sensor combination of the solid-sealed pole power supply voltage sensor combination shown in the application includes a solid-sealed pole 1, a power supply device 2 and a voltage sensing device 3 are arranged in the solid-sealed pole 1, which can significantly reduce the overall volume of the equipment, reduce the space occupation, provide convenience for the compact layout of the power equipment, reduce the installation difficulty and cost caused by the large volume of the equipment, the power supply device 2 includes a power supply core 4 arranged at the upper end of the solid-sealed pole 1, a rectifier and voltage stabilizing assembly connected in series with the power supply core 4, and an overvoltage protection unit, the power supply core 4 is matched with the rectifier and voltage stabilizing assembly, which can obtain electric energy from the power grid and convert it into stable DC power supply to provide reliable power support for other electronic equipment in the solid-sealed pole 1, ensure the stable operation of the equipment under different power grid conditions, avoid equipment failure or misoperation caused by voltage fluctuation, and effectively prevent damage to the equipment caused by high voltage, the voltage sensing device 3 includes a capacitor voltage dividing unit directly connected with the high-voltage end of the solid-sealed pole 1, a conversion circuit, and an output connector 5 connected with the conversion circuit, the power supply core 4 and the output connector 5 extending to the connection outside the solid-sealed pole 1 are provided with sealing structures, the sealing structures include a mounting head 6 provided with a threaded structure and a sealing cover 7 matched with the mounting head 6, the capacitor voltage dividing unit is directly connected with the high-voltage end of the solid-sealed pole 1, which can accurately collect the high-voltage side voltage signal, and after processing by the conversion circuit, the stable and accurate voltage signal is output through the output connector 5, the output connector 5 cooperates with the sealing structure to effectively resist external environmental interference while ensuring stable signal output, the threaded connection between the mounting head 6 and the sealing cover 7 forms a good seal, effectively preventing moisture, dust, impurities and other impurities from entering the solid-sealed pole 1, avoiding corrosion, short circuit and other adverse effects on the power supply device 2 and the voltage sensing device 3, and improving the adaptability and reliability of the equipment in harsh environments, which can be widely used in power equipment in outdoor, humid and other special environments.

[0023] The mounting head 6 is provided with a groove 8 integrally formed with the solid-sealed pole 1, and the mounting head 6 and the groove 8 are respectively provided with a sealing ring 9 at the connection position of the sealing cover 7, when the mounting head 6 and the sealing ring 9 are close to each other through threaded connection, they are in contact with each other, and the double sealing greatly enhances the sealing effect, even in harsh environments such as high humidity, dust or chemical pollution, it can also ensure the safe and stable operation of the power supply device 2 and the voltage sensing device 3, prolong the service life of the equipment, not only enhance the connection stability of the sealing structure and the solid-sealed pole 1, but also make the installation of the sealing cover 7 more convenient and accurate.

[0024] The solid-sealed pole 1 is an integrated packaging structure that integrally packages the power supply device 2 and the voltage sensing device 3, greatly enhancing the integrity and stability of the equipment. Compared with the traditional dispersed assembly, the number of connection points between components is reduced, the probability of failure caused by loose connection and other problems is reduced, and the reliability of long-term stable operation of the equipment under complex working conditions is improved. The surface of the solid-sealed pole 1 is also provided with heat dissipation fins 10, which increase the heat dissipation area and can effectively dissipate the heat generated inside to the surrounding environment.

[0025] The integrated packaging structure is filled with heat-conducting silicone grease 11, which significantly enhances the heat conduction efficiency between the internal elements and the solid-sealed pole 1, allowing the heat generated by the elements to be quickly transferred to the surface of the solid-sealed pole 1, and then dissipated through the heat dissipation fins 10, effectively reducing the operating temperature of the internal elements, avoiding problems such as performance degradation, shortened lifespan, and even damage caused by excessive temperature, and ensuring that the power supply device 2 and the voltage sensing device 3 can still maintain good working performance in high-temperature environments.

[0026] The rectifier and voltage stabilizing component includes a rectifier bridge that converts alternating current into direct current, a voltage stabilizing chip that outputs stable direct current voltage, and a filter capacitor that filters pulsating direct current and outputs relatively smooth direct current. The rectifier bridge converts the alternating current obtained by the power supply core 4 into direct current, providing a suitable current form for subsequent equipment. This conversion process is efficient and stable, ensuring that the electrical energy obtained from the power grid can be effectively utilized by the electronic components within the equipment, ensuring the basic stability of the power supply. The voltage stabilizing chip can output stable direct current voltage, which can cope with situations such as power grid voltage fluctuations and load changes. The filter capacitor filters pulsating direct current and outputs relatively smooth direct current, effectively removing the alternating component in the direct current, reducing voltage ripple, reducing signal interference and equipment failure caused by power supply noise, and improving the power quality of the entire power supply device 2.

[0027] The capacitor voltage dividing unit is composed of a plurality of high-voltage ceramic capacitors connected in series to form a voltage dividing network, which can accurately divide the high voltage at the high-voltage end of the solid-sealed pole 1. By reasonably selecting the capacitor parameters, a low-voltage signal proportional to the high voltage can be accurately obtained, providing a suitable input voltage for the subsequent conversion circuit, and realizing accurate measurement and monitoring of high voltage.

[0028] The power supply core 4 has a ring structure, and the cross-sectional area of the ring structure is optimized according to the number of turns and current size of the power supply winding. This design improves electromagnetic induction efficiency while allowing reasonable adjustment of the number of turns and core size of the power supply winding according to actual needs, which helps to realize the miniaturization of the power supply device 2. Under the premise of meeting the power demand of the equipment, the occupied space of the power supply device 2 in the solid-sealed pole 1 is reduced, providing more flexibility for the layout of other devices inside the solid-sealed pole 1, promoting the development of compactness and integration of the solid-sealed pole 1 as a whole.

[0029] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. Any change or replacement within the technical scheme of the present application made by those skilled in the art should be included in the protection scope of the present application.

Claims

1. A dead tank pole take power supply voltage sensor combination comprising a dead tank pole (1), characterized in that, The solid-sealed pole (1) is internally provided with a power supply device (2) and a voltage sensing device (3), the power supply device (2) comprises a power supply core (4) arranged at the upper end of the solid-sealed pole (1), a rectifier and voltage stabilizing assembly connected in series with the power supply core (4), and an overvoltage protection unit, the voltage sensing device (3) comprises a capacitor voltage dividing unit directly connected with the high-voltage end of the solid-sealed pole (1), a conversion circuit, and an output connector (5) connected with the conversion circuit, the power supply core (4) and the output connector (5) extending to the connection outside the solid-sealed pole (1) are both provided with a sealing structure, and the sealing structure comprises a mounting head (6) provided with a threaded structure and a sealing cover (7) matched with the mounting head (6).

2. A deadfront pole-mounted power supply voltage sensor assembly according to claim 1, wherein, The mounting head (6) is provided with a groove (8) integrally formed with the solid-sealed pole (1), and the mounting head (6) and the groove (8) are both provided with a sealing ring (9) at the connection with the sealing cover (7).

3. A deadfront pole-mounted power supply voltage sensor assembly according to claim 1, wherein, The solid-sealed pole (1) is an integrated packaging structure, and the power supply device (2) and the voltage sensing device (3) are integrally packaged, and the surface of the solid-sealed pole (1) is further provided with a heat dissipation fin (10).

4. A deadfront pole-mounted power supply voltage sensor assembly according to claim 3, wherein, The integrated packaging structure is filled with a heat-conducting silicone grease (11) for enhancing the heat conduction efficiency between the internal elements and the solid-sealed pole (1).

5. A deadfront pole-mounted power supply voltage sensor assembly according to claim 1, wherein, The rectifier and voltage stabilizing assembly comprises a rectifier bridge for converting alternating current into direct current, a voltage stabilizing chip for outputting stable direct current voltage, and a filter capacitor for filtering pulsating direct current and outputting relatively smooth direct current.

6. A deadfront pole-mounted power supply voltage sensor assembly according to claim 1, wherein, The capacitor voltage dividing unit is composed of a plurality of high-voltage ceramic capacitors connected in series to form a voltage dividing network.

7. A deadfront pole-mounted power supply voltage sensor assembly according to claim 1, wherein, The power supply core (4) is in a ring structure, and the cross-sectional area of the ring structure is optimized according to the number of turns and the current size of the power supply winding to improve the electromagnetic induction efficiency.