A high-voltage high-power quick socket and quick connecting device

CN116191093BActive Publication Date: 2026-10-30CRRC ZHUZHOU ELECTRIC LOCOMOTIVE RESEARCH INSTITUTE CO LTD
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Patent Information

Application Number
CN202111422972.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-11-26
Publication Date
2026-10-30
Estimated Expiration
2041-11-26

AI Technical Summary

Technical Problem

[0002]高效、快捷、小型化、轻量化是当前轨道交通、工业变频、电力系统等高压大功率变流领域的发展趋势,电气连接装置作为关键的能量传输节点通道,传统的螺栓连接方式越来越难以满足上述要求,快速插拔式连接应用越来越多

Benefits of technology

[0028]在使用本发明提供的高压大功率快速插座的过程中,绝缘外壳设置有绝缘框,并且绝缘框为沿周向完全闭合的结构,绝缘框将对应的导电块以及限位滑块在周向进行包裹,使上下叠层设置的导电块之间以及导电块与外部环境之间均形成有效的绝缘层,提高绝缘效果。

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Abstract

The application discloses a high-voltage and high-power quick socket and a quick connecting device. The high-voltage and high-power quick socket comprises an insulating shell provided with an insulating frame, a conductive block for electrically connecting with a conductor plate of a counter-plugging device, and a limiting sliding block for limiting the position of the corresponding conductive block. The insulating frame is wrapped around the outer circumferential part of the corresponding conductive block and the limiting sliding block in the circumferential direction. The high-voltage and high-power quick socket provided by the application realizes high insulation between internal conductors and between the conductors and the external environment in a small space, realizes the miniaturization of the socket and the system, and has good low inductance performance. The conductive block and the conductor plate of the counter-plugging device are in double-sided electrical contact, the insulating structure occupies a small width of the conductor, the current carrying capacity is greatly improved, the anti-burning capacity is strong, and the connection reliability is improved. In addition, the conductive block has a certain range of movement relative to the limiting sliding block in the plugging direction, and has strong installation tolerance capacity.
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Description

Technical Field

[0001] This invention relates to the field of electrical connection equipment technology, and more specifically, to a high-voltage, high-power, fast-connect socket. Furthermore, this invention also relates to a fast-connection device comprising the aforementioned high-voltage, high-power, fast-connect socket. Background Technology

[0002] High efficiency, speed, miniaturization, and lightweight design are the current development trends in high-voltage and high-power converter fields such as rail transit, industrial frequency conversion, and power systems. As a key energy transmission node channel, electrical connection devices are increasingly unable to meet the above requirements with traditional bolted connections, and quick-plug connections are being used more and more.

[0003] While existing quick-connect devices can meet the needs for convenience and efficiency, achieving both high insulation and high current-carrying capacity requires maintaining a large insulation distance from surrounding components. This results in a large system size, increased complexity of mating components, and a need for significant space, making miniaturization and weight reduction difficult. Furthermore, limitations in conductor or insulation structure design restrict the conductive area and current-carrying capacity. In the event of significant vibration or component damage, contact surface burning, poor contact, or even open circuits can easily occur. Long-term use may lead to deformation under stress, affecting connection reliability.

[0004] In summary, how to provide a high-voltage, high-power, fast socket that can guarantee insulation performance while achieving miniaturization, strong current carrying capacity, strong anti-burning capability, and high reliability is a problem that urgently needs to be solved by those skilled in the art. Summary of the Invention

[0005] In view of this, the purpose of this invention is to provide a high-voltage, high-power, fast-connector that achieves high insulation between internal conductors and between the conductors and the external environment within a confined space, enabling miniaturization of itself and the system. It also exhibits excellent low-inductance performance, reduces the design and manufacturing difficulty of peripheral components, and the insulating frame has minimal impact on the width of the conductive block. Therefore, under compact space and high insulation requirements, it can simultaneously achieve high current-carrying capacity. Furthermore, the conductive block in this invention has double-sided electrical contact with the conductor plate of the mating device, increasing the contact area, significantly improving current-carrying capacity, enhancing burn-out resistance, and improving connection reliability. Additionally, the conductive block has a certain range of motion relative to the limiting slider in the mating direction, providing strong installation tolerance and good strength and impact resistance.

[0006] Another object of the present invention is to provide a quick connection device including the above-mentioned high-voltage, high-power fast socket.

[0007] To achieve the above objectives, the present invention provides the following technical solution:

[0008] A high-voltage high-power quick socket, comprising:

[0009] an insulating housing, which is provided with a fully circumferentially closed insulating frame;

[0010] conductive blocks arranged in an upper and lower stacked manner, for electrically connecting with a conductor plate of a mating plug device;

[0011] limit sliders, for limiting the position of the corresponding conductive block, and the conductive block is mounted on the limit slider;

[0012] The insulating frame wraps around the outer peripheral portion of the corresponding conductive block and the limit slider in the circumferential direction, so as to form an insulating layer between the conductive blocks and between the conductive blocks and the external environment.

[0013] Preferably, the insulating housing is provided with an insulating housing skirt protruding circumferentially along its outer edge, and an insulating groove is formed between the insulating housing skirt and the insulating frame.

[0014] Preferably, the insulating groove is a Japanese-character-shaped insulating groove.

[0015] Preferably, a plurality of creepage grooves are provided at the rear end of the insulating housing, and the depth direction of the creepage grooves faces the side of the insulating housing where the insulating frame is disposed.

[0016] Preferably, the insulating housing is an integrally formed structure.

[0017] Preferably, the conductive block is provided with a slot for inserting the conductor plate of the mating plug device, a first elastic piece for contacting one side surface of the conductor plate and a second elastic piece for contacting the other side surface of the conductor plate are disposed in the slot, and the first elastic piece and the second elastic piece are disposed opposite to each other.

[0018] Preferably, the first elastic piece is disposed on the upper surface inside the slot, and the second elastic piece is disposed on the lower surface inside the slot; and the first elastic piece and the second elastic piece are symmetrically arranged about the middle cross section in the height direction of the slot.

[0019] Preferably, the first elastic piece and the second elastic piece are of an integrated structure or a separate structure.

[0020] Preferably, the conductive block is provided with an upper slide rail and a lower slide rail, and the limit slider is provided with an upper slide groove matched with the upper slide rail and a lower slide groove matched with the lower slide rail.

[0021] Preferably, the outward-facing portion of the limit slider is provided with an opening, and a limit step is formed on the inner side of the opening to limit the position of the conductive block.

[0022] Preferably, the portion of the limiting slider facing outward is provided with a closing portion for limiting the position of the conductive block.

[0023] Preferably, the conductive block is movable relative to the limiting slider within a preset range in the insertion direction.

[0024] Preferably, the limiting slider is connected to the insulating housing by mounting screws, and the top of the mounting screws is provided with insulating material.

[0025] A quick-connect device includes a high-voltage, high-power quick-connect socket as described in any of the preceding claims and a plug-in device that mates with the high-voltage, high-power quick-connect socket.

[0026] Preferably, the insulating shell has an insulating shell skirt that protrudes circumferentially along its outer edge, and an insulating groove is formed between the insulating shell skirt and the insulating frame;

[0027] The interlocking device includes an insulating housing and a conductor plate for interlocking with the conductive block of the high-voltage, high-power, fast socket. The insulating housing is provided with an insulating housing skirt that interlocks with the groove.

[0028] In the process of using the high-voltage, high-power, fast socket provided by the present invention, the insulating shell is provided with an insulating frame, and the insulating frame is a structure that is completely closed in the circumferential direction. The insulating frame wraps the corresponding conductive block and the limiting slider in the circumferential direction, so that an effective insulating layer is formed between the upper and lower stacked conductive blocks and between the conductive blocks and the external environment, thereby improving the insulation effect.

[0029] Compared with existing technologies, the high-voltage, high-power, fast socket provided by this invention achieves high insulation between internal conductors and between conductors and the external environment in a confined space, realizes miniaturization of itself and the system, has good low-inductance performance, and reduces the design and manufacturing difficulty of peripheral components; at the same time, it achieves a compact structure, high insulation capacity and sufficient conductor width.

[0030] In addition, the present invention also provides a quick connection device including the above-mentioned high-voltage high-power fast socket. Attached Figure Description

[0031] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0032] Figure 1 A schematic diagram of a specific embodiment of the high-voltage, high-power, fast-connecting socket provided by the present invention;

[0033] Figure 2 for Figure 1 A cross-sectional view along the insertion direction of the high-voltage, high-power fast socket and the mating device after they are plugged in.

[0034] Figure 3 for Figure 1 A cross-sectional view perpendicular to the insertion direction of the high-voltage, high-power fast socket and the mating device after they are plugged in.

[0035] Figure 4 This is a schematic diagram of a specific embodiment of the limiting slider provided by the present invention;

[0036] Figure 5 This is a schematic diagram of a specific embodiment two of the limiting slider provided by the present invention.

[0037] Figure 1-5 middle:

[0038] 1 is the insulating outer shell, 11 is the insulating outer shell skirt, 12 is the insulating frame, 121 is the first insulating frame, 122 is the second insulating frame, 13 is the insulating groove, 14 is the creepage groove, 2 is the conductive block, 21 is the first conductive block, 211 is the first spring, 212 is the second spring, 213 is the upper slide rail, 214 is the lower slide rail, 22 is the second conductive block, 3 is the limiting slider, 31 is the first limiting slider, 311 is the upper slide groove, 312 is the lower slide groove, 32 is the second limiting slider, 41 is the mounting screw, 42 is the mounting screw. 5 is the insulating material, 5 is the insulating shell, 51 is the insulating shell skirt, 61 is the first conductor plate, 62 is the second conductor plate, 71 is the transverse creepage path between the conductor and the outside of the device, 72 is the creepage path between conductors, 73 is the vertical creepage path between the conductor and the outside of the device, 74 is the electrical clearance path between conductors, X1 is the first gap between the conductive block and the limiting slider, X2 is the second gap between the conductive block and the limiting slider, A is a scheme in which the limiting slider has an opening, and B is a scheme in which the limiting slider has a closing part. Detailed Implementation

[0039] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0040] The core of this invention is to provide a high-voltage, high-power, fast-connecting socket that achieves high insulation between internal conductors and between the conductors and the external environment within a confined space. This enables miniaturization of both the socket and the system, resulting in excellent low-inductance performance and reducing the design and manufacturing complexity of peripheral components. The insulating frame has minimal impact on the width of the conductive block, thus achieving high current-carrying capacity simultaneously under compact space and high insulation requirements. Furthermore, the conductive block and the conductor plate of the mating device in this invention have double-sided electrical contact, increasing the contact area and significantly enhancing the current-carrying capacity. Even under significant vibration and impact, at least one side remains in contact, providing strong anti-burn-out capability and improved connection reliability. In addition, the conductive block has a certain range of motion relative to the limiting slider in the mating direction, offering strong installation tolerance and good strength and impact resistance. Another core aspect of this invention is to provide a fast-connecting device including the aforementioned high-voltage, high-power, fast-connecting socket.

[0041] Please refer to Figures 1-5 .

[0042] This specific embodiment discloses a high-voltage, high-power, fast-connector, comprising:

[0043] An insulating housing 1 is provided with an insulating frame 12 that is completely closed in the circumferential direction;

[0044] The conductive blocks 2, which are stacked on top of each other, are used to electrically connect with the conductor plate of the interlocking device.

[0045] The limiting slider 3 is used to limit the position of the corresponding conductive block 2, and the conductive block 2 is installed on the limiting slider 3;

[0046] The insulating frame 12 is circumferentially wrapped around the outer periphery of the corresponding conductive block 2 and the limiting slider 3 to form an insulating layer between the conductive blocks 2 and between the conductive blocks 2 and the external environment.

[0047] like Figure 1 As shown, the insulating shell 1 is provided with a first conductive block 21 and a second conductive block 22 stacked on top of each other. A first limiting slider 31 is provided corresponding to the first conductive block 21, and a second limiting slider 32 is provided corresponding to the second conductive block 22. A first insulating frame 121 is wrapped around the outer periphery of the first conductive block 21 and the first limiting slider 31, and a second insulating frame 122 is wrapped around the outer periphery of the second conductive block 22 and the second limiting slider 32 to form a reliable insulating layer.

[0048] In the process of using the high-voltage, high-power fast socket provided in this specific embodiment, the insulating shell 1 is provided with an insulating frame 12, and the insulating frame 12 is a structure that is completely closed in the circumferential direction. The insulating frame 12 wraps the corresponding conductive block 2 and the limiting slider 3 in the circumferential direction, so that an effective insulating layer is formed between the upper and lower stacked conductive blocks 2 and between the conductive blocks 2 and the external environment, thereby improving the insulation effect.

[0049] On the basis of the above-described embodiment, as Figures 1-3 shown, the insulating housing 1 is provided with an insulating housing skirt 11 protruding circumferentially along its outer edge, and an insulating groove 13 is formed between the insulating housing skirt 11 and the insulating frame 12. According to the structural arrangement characteristics of the mating device in combination with the arrangement mode of the conductive block 2, the insulating groove 13 may be configured as a sun-shaped insulating groove.

[0050] The arrangement of the insulating groove 13 makes full use of the dimension of the conductive block 2 itself in the depth direction. In combination with the integrated "sun"-shaped insulating groove, the lateral and vertical insulating dimensions are converted into the dimension of the insulating groove 13 in the depth direction. The lateral direction mentioned herein refers to Figure 1 the dimension in the width direction, and the vertical direction refers to Figure 1 the dimension in the height direction. The beneficial effects of the specific embodiment in which the insulating groove 13 is combined with the insulating frame 12 and the insulating housing skirt 11 are as follows:

[0051] In occasions where the dimension in the lateral direction is limited, the lateral insulating distance is converted into a depth dimension, so that the width of the conductive block 2 is retained as much as possible, and the current-carrying capacity is enhanced.

[0052] In the vertical space direction, compared with the solutions in the prior art that need to provide multiple creepage grooves, no additional vertical dimension for accommodating multiple creepage grooves is required, and a tight vertical lamination can be achieved between the first conductive block 21 and the second conductive block 22 Figure 2 with good low-inductance performance, and tight lamination can also be achieved between the first conductor plate 61 and the second conductor plate 62 in the mating device with good low-inductance performance.

[0053] This specific embodiment utilizes the dimension of the conductive block 2 itself in the depth direction, which not only realizes the miniaturization of the high-voltage high-power quick socket itself and ensures high internal insulation creepage, but also realizes high insulation creepage between the conductors and the external environment, and reduces the peripheral insulation distance. It is beneficial to realize the miniaturization of the whole system and reduce the difficulty in design and production of peripheral components.

[0054] As Figure 1 shown, in the unmated state, due to the arrangement of the insulating groove 13, Figure 1The creepage distance shown includes: a transverse creepage path 71 formed along the transverse outer surface of the first insulating frame 121 or the second insulating frame 122, the bottom of the insulating groove 13, and the transverse inner surface of the insulating shell skirt 11, connecting the conductor (conductive block 2, limiting slider 3) to the outer surface of the insulating shell 1; a creepage path 72 formed along the lower surface of the first insulating frame 121, the bottom of the insulating groove 13, and the upper surface of the second insulating frame 122, connecting the upper conductor (first conductive block 21 and the first limiting sliders 31 on both sides) to the lower conductor (second conductive block 22 and the second limiting sliders 32 on both sides); and a vertical creepage path 73 formed along the vertical outer surface of the first insulating frame 121 or the second insulating frame 122, the bottom of the insulating groove 13, and the vertical inner surface of the insulating shell skirt 11, connecting the conductor (conductive block 2, limiting slider 3) to the outer surface of the insulating shell 1.

[0055] In the mating state, the mating device includes an insulating housing 5 and a conductor plate for mating with the conductive block 2 of the high-voltage, high-power fast socket. The insulating housing 5 is provided with an insulating housing skirt 51 that mats with the insulating groove 13. Based on the above-mentioned creepage distance, the electrical clearance between conductors and between conductors and the external environment is further strengthened. For example... Figure 2 As shown, the insulating shell skirt 51 of the mating device is embedded in the insulating groove 13. The electrical clearance between the upper conductor (first conductive block 21, first limiting sliders 31 on both sides, first conductor plate 61 of the mating device) and the lower conductor (second conductive block 22, second limiting sliders 32 on both sides, second conductor plate 62 of the mating device) changes from the vertical height difference to the path shown by the electrical clearance path 74 between the conductors, and the electrical clearance increases significantly.

[0056] It should be noted that the above creepage path is for the case where the limiting slider 3 is made of conductive metal. When the limiting slider 3 is made of non-conductive non-metallic material, the conductor in the above path is only the conductive block 2 and does not include the limiting slider 3.

[0057] The electrical clearances between all conductors and the external environment are similar to those of the electrical clearance path 74 between conductors mentioned above, and will not be repeated here. Furthermore, it is understood that all electrical clearances can be increased to a level comparable to the corresponding creepage distances, such as the electrical clearance path 74 between conductors and the creepage path 72 between conductors; therefore, these clearances can far exceed standard requirements.

[0058] In this specific embodiment, an insulating layer is formed between the conductive blocks 2 and between the conductive blocks 2 and the external environment. The insulating layer between the conductive blocks 2 includes two insulating frames 12 and an insulating groove 13. The insulating layer between the conductive blocks 2 and the external environment includes an insulating frame 12, an insulating groove 13, and an insulating outer shell skirt 11. Compared with the above embodiment which only sets an insulating frame 12, the insulation effect can be further improved.

[0059] In the actual use process, the portion of the insulating housing skirt 51 of the insulating housing 5 of the mating device is correspondingly embedded into the insulating groove 13. When the insulating groove 13 has a "day"-shaped structure, as Figure 3 shown in the figure, the insulating housing skirt 51 is a "day"-shaped structure that is inter-embedded with the insulating groove 13. Therefore, an integrally closed insulating cavity is formed around the periphery of each pair of conductors, such as the first conductive block 21, the first limiting sliders 31 on both sides, and the first conductor plate 61 of the mating device, which achieves fully enclosed seamless insulation, and there is no short insulation path for both the electrical clearance and the creepage distance.

[0060] Compared with the prior art, the high-voltage high-power quick socket provided by this specific embodiment achieves high insulation between internal conductors and between the conductors and the external environment in a narrow space, realizes the miniaturization of itself and the system, and reduces the difficulty in design and production of peripheral components; at the same time, it achieves a compact structure, high insulation capability and sufficient conductor width, and the conductors can be closely stacked with low inductance.

[0061] On the basis of the above embodiments, as Figure 2 shown in the figure, a plurality of creepage grooves 14 may be provided at the rear end of the insulating housing 1. The provision of the creepage grooves 14 can be used to further enhance insulation, and the depth direction of the creepage grooves 14 faces the side of the insulating housing 1 where the insulating frame 12 is disposed.

[0062] In the actual design process, since the back of the insulating housing 1 is mostly fixedly connected to the outside, the insulation method is more flexible than that of the front end which adopts quick plugging and unplugging. The back is the side where the creepage grooves 14 are provided. In addition to providing the creepage grooves 14, solutions such as potting, surrounding and pressing with flexible insulating materials, or a combination of multiple different solutions may also be adopted, which are specifically determined according to the actual situation.

[0063] Further, the insulating housing 1 may be configured as an integrally formed structure, which does not require assembly or bonding of a plurality of parts, and has no assembly gap inside, thereby eliminating the electrical clearance and creepage distance paths caused by internal gaps, avoiding the design of reduced insulation capability or the need for additional volume to enhance insulation, and avoiding reliability problems caused by gap cracking during long-term use, and improving the structural strength.

[0064] In a specific embodiment, as Figure 2As shown, the conductive block 2 is provided with a slot for inserting the conductor plate of the mating device. A first spring piece 211 for contacting one side surface of the conductor plate and a second spring piece 212 for contacting the other side surface of the conductor plate are provided in the slot. The first spring piece 211 and the second spring piece 212 are arranged opposite to each other. The first spring piece 211 and the second spring piece 212 can be respectively arranged on the upper and lower surfaces of the slot, that is, the first spring piece 211 is arranged on the upper surface of the slot and the second spring piece 212 is arranged on the lower surface of the slot. The first spring piece 211 and the second spring piece 212 are symmetrically arranged with respect to the middle cross section of the slot in the height direction.

[0065] The first spring 211 and the second spring 212 can be an integral structure or a separate structure, depending on the actual situation.

[0066] Compared to the single-sided contact setting in the existing technology, the double-sided contact setting doubles the contact area of ​​the conductors on both sides of the plug and socket for the same width of the conductive block 2, greatly improving the current carrying capacity and reducing the temperature rise under rated operating conditions. In addition, during use, when there is a large upward or downward displacement between the high-voltage high-power fast socket and the plug-in device (such as large vibration, impact, or component damage), the first spring 211 and the second spring 212 can be respectively set on the upper and lower surfaces in the slot. The first conductor plate 61 and the second conductor plate 62 of the plug-in device can both ensure that at least one contact surface is conductively connected to the spring of the conductive block 2, avoiding poor contact or even open circuit, and also greatly reducing the probability of contact surface burn-out. Figure 2 The upper and lower contact surfaces of the first conductor plate 61 and the second conductor plate 62 of the mating device are both subjected to the clamping force of the first spring piece 211 and the second spring piece 212 of the conductive block 2. The clamping forces of the first spring piece 211 and the second spring piece 212 cancel each other out, reducing the stress and bending deformation of the conductor plate and ensuring long-term contact reliability.

[0067] Furthermore, both the first spring piece 211 and the second spring piece 212 are installed in the slots of the conductive block 2. Compared with the prior art that only uses spring pieces without the conductive block 2, the first spring piece 211 and the second spring piece 212 in this specific embodiment have better strength and are less prone to failures such as overall bending and displacement of the spring pieces or opening (i.e., the first spring piece 211 and the second spring piece 212 cannot be clamped). The contact area between the first spring piece 211, the second spring piece 212 and the conductive block 2 is increased, and the current can be transmitted to the conductive block 2 along the arc-shaped sides of the contact position, improving the current carrying capacity.

[0068] like Figure 4 , 5As shown, the conductive block 2 is provided with an upper slide rail 213 and a lower slide rail 214, and the limiting slider 3 is provided with an upper sliding groove 311 that cooperates with the upper slide rail 213 and a lower sliding groove 312 that cooperates with the lower sliding rail 214. The conductive block 2 can move within a certain range relative to the limiting slider 3 along the insertion direction. In the vertical direction, the upper slide rail 213 and the lower slide rail 214 of the first conductive block 21 are tightly engaged with the upper sliding groove 311 and the lower sliding groove 312 of the first limiting slider 31, respectively, in the vertical direction to ensure the accuracy of the first conductive block 21 in the vertical direction. The engagement method between the second conductive block 22 and the second limiting slider 32 is the same as that between the first conductive block 21 and the second limiting slider 32. They are connected by slide rails and grooves and can move within a certain range along the insertion direction. They are tightly engaged in the vertical direction to ensure the accuracy of the second conductive block 22 in the vertical direction.

[0069] like Figure 4 , 5 As shown, a first gap X1 and a second gap X2 are provided between the conductive block 2 and the limiting slider 3, so that the conductive block 2 can be moved relative to the limiting slider 3 within a preset range in the insertion direction. The movable range is the sum of the first gap X1 and the second gap X2 between the conductive block 2 and the limiting slider 3. In this specific embodiment, the conductive block 2 can be moved relative to the limiting slider 3 within a preset range in the insertion direction, which reduces the rear end of the conductive block 2 (i.e., Figure 2 The right side of the connector has good tolerance for the installation of peripheral components, which not only reduces the processing precision of peripheral components but also reduces the assembly difficulty. In addition, the first spring 211 and the second spring 212 of the first conductive block 21 itself have a certain vertical tolerance capability, so the overall tolerance performance of the connecting device is good.

[0070] like Figure 4 As shown, the portion of the limiting slider 3 facing outward has an opening, and a limiting step is formed on the inner side of the opening to restrict the position of the conductive block 2. The opening gradually increases in size from the inside to the outside. During the mating process of the mating device and the high-voltage high-power fast socket, the portion of the limiting slider 3 facing outward has an opening, which can accommodate the first conductor plate 61 and the second conductor plate 62 of the mating device, and can slightly increase the current carrying capacity or reduce the temperature rise under the same current carrying capacity.

[0071] like Figure 5As shown, the portion of the limiting slider 3 facing outward is provided with a closing portion for limiting the position of the conductive block 2. The limiting slider 3 has a frame-shaped structure with high supporting strength, so that a relatively soft material can be used; it can also effectively avoid the up-and-down opening deformation of the conductive block 2 caused by the extrusion of the elastic sheet by the conductor plate of the mating device after insertion, which is beneficial to maintaining the contact pressing force.

[0072] As shown in Figure 4 , 5 , due to the cooperation of the first limiting slider 31 with the first conductive block 21 and the first insulating frame 121, the first limiting slider 31 is restricted in multiple directions; the second limiting slider 32 is restricted in multiple directions due to the cooperation with the second conductive block 22 and the second insulating frame 122. The first limiting slider 31 is connected to the insulating housing 1 through a mounting screw 41, and the top of the mounting screw 41 is provided with an insulating material 42. The second limiting slider 32 is also connected to the insulating housing 1 through a mounting screw 41, and the top of the mounting screw 41 is provided with an insulating material 42 to achieve insulation from the external environment. The insulating material 42 may be insulating potting adhesive, a cap, other soft insulating materials 42, etc., or a combination of multiple manners. This installation method of the limiting slider 3 features convenient assembly, no need for a large number of fastening screws, and a compact structure; in addition, there is no need to split the insulating housing 1, and its integrity is retained, so that the insulating performance is good and the reliability is high. At the same time, the limiting slider 3 can withstand a large impact load, and the sliding range can be flexibly designed, which is suitable for quick plug-in connection.

[0073] In addition to the above high-voltage high-power quick socket, the present invention further provides a quick connection device comprising the high-voltage high-power quick socket disclosed in the above embodiments and a mating device that is mated and inserted with the high-voltage high-power quick socket. For the structures of other parts of the quick connection device, reference may be made to the prior art, and details are not described herein again.

[0074] When the insulating housing is provided with an insulating housing skirt 11 protruding circumferentially along its outer edge, and an insulating groove 13 is formed between the insulating housing skirt 11 and the insulating frame 12, the mating device includes an insulating housing 5 and a conductor plate for inserting and mating with the conductive block 2 of the high-voltage high-power quick socket, and the insulating housing 5 is provided with an insulating housing skirt 51 that is inserted and mated with the groove.

[0075] As shown in Figure 2 , when the insulating groove 13 has a "day"-shaped structure, the insulating housing skirt 51 is a "day"-shaped structure inter-embedded with the insulating groove 13. When the mating device is mated and inserted with the high-voltage high-power quick socket, the first conductor plate 61 is inserted between the first elastic sheet 211 and the second elastic sheet 212 inside the first conductive block 21, the second conductor plate 62 is inserted between the two elastic sheets inside the second conductive block 22, and the insulating housing skirt 51 is embedded into the insulating groove 13.

[0076] The terms "first" and "second" in the first spring 211 and second spring 212, first gap and second gap, first insulating frame 121 and second insulating frame 122, first conductive block 21 and second conductive block 22, first conductor plate 61 and second conductor plate 62 mentioned in this application are only for distinguishing different positions and do not indicate any order.

[0077] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on its differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably. Any combination of all embodiments provided by this invention is within the scope of protection of this invention and will not be elaborated upon here.

[0078] The high-voltage, high-power fast socket and quick-connect device provided by this invention have been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of this invention. The descriptions of the embodiments above are only for the purpose of helping to understand the method and core ideas of this invention. It should be noted that those skilled in the art can make several improvements and modifications to this invention without departing from the principles of this invention, and these improvements and modifications also fall within the protection scope of the claims of this invention.

Claims

1. A high-voltage, high-power, fast-connector, characterized in that: include: An insulating housing (1) is provided with an insulating frame (12) that is completely closed in the circumferential direction. The conductive blocks (2) stacked on top of each other are used for electrical connection with the conductor plate of the interlocking device; A limiting slider (3) is used to limit the position of the corresponding conductive block (2), and the conductive block (2) is mounted on the limiting slider (3). The insulating frame (12) wraps around the outer periphery of the corresponding conductive block (2) and the limiting slider (3) in the circumferential direction to form an insulating layer between the conductive blocks (2) and between the conductive blocks (2) and the external environment; The conductive block (2) is provided with an upper slide rail (213) and a lower slide rail (214), and the limiting slider (3) is provided with an upper slide groove (311) that cooperates with the upper slide rail (213) and a lower slide groove (312) that cooperates with the lower slide rail (214); the upper slide rail (213) and the upper slide groove (311), and the lower slide rail (214) and the lower slide groove (312) are tightly fitted in the vertical direction; along the insertion direction of the conductive block (2) and the limiting slider (3); a first gap X1 and a second gap X2 are provided between the conductive block (2) and the limiting slider (3); The limiting slider (3) has a closed part on the outer side for limiting the position of the conductive block (2), and the limiting slider (3) has a frame structure.

2. The high-voltage, high-power, fast-connector according to claim 1, characterized in that, The insulating shell (1) has an insulating shell skirt (11) protruding circumferentially along its outer edge, and an insulating groove (13) is formed between the insulating shell skirt (11) and the insulating frame (12).

3. The high-voltage, high-power, fast-connector according to claim 2, characterized in that, The insulating groove (13) is a sun-shaped insulating groove.

4. The high-voltage, high-power, fast-connector according to claim 3, characterized in that, The rear end of the insulating shell (1) is provided with a plurality of creepage grooves (14), and the depth direction of the creepage grooves (14) faces the side of the insulating shell (1) where the insulating frame (12) is provided.

5. The high-voltage, high-power, fast-connector according to any one of claims 1-4, characterized in that, The insulating shell (1) is a one-piece molded structure.

6. The high-voltage, high-power, fast-connector according to any one of claims 1-4, characterized in that, The conductive block (2) is provided with a slot for inserting the conductor plate of the interlocking device. The slot is provided with a first spring piece (211) for contacting one side surface of the conductor plate and a second spring piece (212) for contacting the other side surface of the conductor plate, and the first spring piece (211) and the second spring piece (212) are arranged opposite to each other.

7. The high-voltage, high-power, fast-connector according to claim 6, characterized in that, The first spring piece (211) is disposed on the upper surface of the slot, and the second spring piece (212) is disposed on the lower surface of the slot; and the first spring piece (211) and the second spring piece (212) are symmetrically arranged about the middle section of the slot in the height direction.

8. The high-voltage, high-power, fast-connector according to claim 7, characterized in that, The first spring (211) and the second spring (212) are either an integral structure or a separate structure.

9. The high-voltage, high-power, fast-connector according to claim 1, characterized in that, The conductive block (2) is movable relative to the limiting slider (3) within a preset range in the insertion direction.

10. The high-voltage, high-power, fast-connector according to any one of claims 1-4, characterized in that, The limiting slider (3) is connected to the insulating shell (1) by a mounting screw (41), and the top of the mounting screw (41) is provided with insulating material (42).

11. A quick-connect device, characterized in that, It includes the high-voltage, high-power, fast socket as described in any one of claims 1-10, and a mating device that mates with the high-voltage, high-power, fast socket.

12. The quick-connect device according to claim 11, characterized in that, The insulating shell (1) has an insulating shell skirt (11) protruding circumferentially along its outer edge, and an insulating groove (13) is formed between the insulating shell skirt (11) and the insulating frame (12). The interlocking device includes an insulating housing (5) and a conductor plate for interlocking with the conductive block (2) of the high-voltage high-power fast socket. The insulating housing (5) is provided with an insulating housing skirt (51) that interlocks with the groove.

Citation Information

Patent Citations

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