High-voltage shore power connector

Abstract

The invention discloses a high-voltage shore power connector which comprises a box body provided with a box door in a rotating mode, a supporting plate with a plurality of through holes is arranged in the box body, the supporting plate divides the inner space of the box body into an upper cavity and a lower cavity, an air inlet is formed in the bottom of the lower cavity, a fan is arranged between the air inlet and the through holes, and an air outlet is formed in the bottom of the lower cavity. A connecting terminal is arranged in the upper cavity, a top plate is arranged above the connecting terminal, the top plate is elastically connected with the top wall of the upper cavity through a first elastic piece, a mounting plate with a fixing ring at the top is arranged between the connecting terminal and the supporting plate, and the connecting terminal is connected with the inner wall of the fixing ring. And the mounting plate is elastically connected with the supporting plate. According to the high-voltage shore power connector, the position change of the connector can be buffered, the situation of connection looseness of the connector is avoided, the interior of the device can be cooled, and the working reliability of the connector is greatly improved.

Description

Technical Field

[0001] The present invention relates to the technical field of high-voltage connectors, and particularly to a high-voltage shore power connector. Background Art

[0002] High-voltage shore power connectors are widely used in port equipment, mining equipment, ship equipment and other equipment devices that need to provide mobile power and control signals. It is a device that connects the high-voltage feeder of the shore power supply to the main distribution network of the ship, and undertakes the tasks of high-voltage shore power supply connection, ship-shore communication connection, and ship-shore connection safety monitoring.

[0003] After retrieval, the patent with the publication number CN219591689U discloses "an elbow high-voltage connector", which includes a housing, copper busbar terminals, and a cable assembly. The housing includes a sleeve part and a chamber. The cable assembly includes a wire harness and a shielding structure. The shielding structure is arranged in the sleeve part. A wiring terminal is arranged in the chamber. The wire harness passes through the sleeve part and extends into the chamber to be connected to the wiring terminal. The copper busbar terminal includes a horizontal part and a bent part. The horizontal part is connected to the wiring terminal, and the bent part extends downward outside the housing. The shielding structure includes an inner shielding hoop and an outer shielding hoop. The inner shielding hoop is sleeved on the inner insulating layer of the wire harness, and the outer shielding hoop is sleeved on the outside of the inner shielding hoop. This device has a compact and reasonable structure, a small temperature rise, and the wire is not bent and not easily aged.

[0004] In the prior art, the connection terminal is generally fixedly installed inside the box. However, when the connection terminal is connected to the connection plug, vibrations conducted from the ground, collisions with the connection terminal during personnel operation, etc., cause the connection at the connection terminal to become loose. Moreover, certain heat is generated during the operation of the connection terminal, and the looseness of the connection will also cause the contact resistance of the wiring terminal to increase, resulting in an increase in the temperature at the connection, affecting the normal operation of the wiring terminal. Summary of the Invention

[0005] The purpose of the present invention is to provide a high-voltage shore power connector, which can buffer the position change of the connector, avoid the loosening of the connector connection, and can cool the inside of the device, greatly improving the working reliability of the connector.

[0006] To achieve the above object, the technical solution adopted by the present invention is: a high-voltage shore power connector, including: a box body with a box door rotatably installed thereon. Inside the box body, there is a support plate having a plurality of through holes. The support plate divides the internal space of the box body into an upper cavity and a lower cavity. The through holes communicate the upper cavity and the lower cavity. An air inlet is opened at the bottom of the lower cavity, and a fan is arranged between the air inlet and the through holes. Inside the upper cavity, a connection terminal is provided. Above this connection terminal, a top plate is provided, and the top plate is elastically connected to the top wall of the upper cavity through a first elastic member. Between the connection terminal and the support plate, a mounting plate with a fixing ring at the top is provided. The connection terminal is connected to the inner wall of the fixing ring, and the mounting plate is elastically connected to the support plate.

[0007] The further improved technical solutions in the above technical solutions are as follows: 1. In the above solution, a plurality of sleeves are installed on the top of the support plate, and a third elastic member is provided between the sleeve and the mounting plate.

[0008] 2. In the above solution, a sliding rod for embedding inside the sleeve is provided at the bottom of the mounting plate, and the third elastic member is sleeved on the outer wall of the sliding rod.

[0009] 3. In the above solution, the sliding rods are arranged at the four corners of the bottom of the mounting plate.

[0010] 4. In the above solution, a fixing plate is provided at intervals on the upper surface of the support plate, and two sliders are provided between the two fixing plates. A second elastic member is provided between each slider and the fixing plate. A connecting seat is fixedly installed at the bottom of the mounting plate, and the connecting seat is movably connected to the two sliders through a rotating rod respectively.

[0011] 5. In the above solution, a fixing rod is installed between the two fixing plates, and the two sliders are sleeved on the fixing rod.

[0012] 6. In the above solution, the second elastic member is located on the opposite sides of the two sliders, and the second elastic member is sleeved on the outer wall of the fixing rod.

[0013] 7. In the above solution, a chute is provided on the upper surface of the support plate and between the two fixing plates, and a moving block slidably connected to the chute is installed at the bottom of the slider.

[0014] 8. In the above solution, the air inlet mask is provided with a filter plate.

[0015] Due to the application of the above technical solutions, the present invention has the following advantages compared with the prior art: The high-voltage shore power connector of the present invention has a support plate that divides the internal space of the box body into an upper cavity and a lower cavity. An air inlet is provided at the bottom of the lower cavity, and a fan is arranged between the air inlet and the through hole. A connection terminal is arranged inside the upper cavity. The top plate is elastically connected to the top wall of the upper cavity through a first elastic member. An installation plate with a fixing ring at the top is arranged between the connection terminal and the support plate, and the installation plate is elastically connected to the support plate. The connection terminal is pressed and fixed on the installation plate through the top plate. During the downward movement of the installation plate, two sliders will be pushed to move away from each other to compress the second elastic member, so as to buffer the position change of the connection terminal, avoid the loosening of the connection terminal, and introduce external low-temperature air into the lower cavity through the air inlet by the fan. The through hole of the support plate connects the lower cavity and the upper cavity, so as to realize the cooling of the inside of the box body and greatly improve the working reliability of the connection terminal. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Attached Figure 1 is a schematic structural diagram of the high-voltage shore power connector of the present invention; Attached Figure 2 is an exploded partial structural diagram of the high-voltage shore power connector of the present invention; Attached Figure 3 is an enlarged view of part A of the present invention Figure 2 ; Attached Figure 4 is a partial structural schematic diagram of the high-voltage shore power connector of the present invention Figure 1 ; Attached Figure 5 is a partial structural schematic diagram of the high-voltage shore power connector of the present invention Figure 2 .

[0017] In the above drawings: 1. Box body; 101. Upper cavity; 102. Lower cavity; 2. Box door; 301. Fan; 302. Dovetail groove; 303. Filter plate; 304. Dovetail block; 305. Air inlet; 4. Support plate; 401. Through hole; 501. Slide groove; 502. Fixed plate; 503. Fixed rod; 504. Slide block; 505. Second elastic member; 506. Moving block; 507. Sleeve; 508. Slide rod; 509. Third elastic member; 510. Rotating rod; 511. Connection seat; 512. Installation plate; 6. Connection terminal; 7. Top plate; 8. First elastic member; 9. Fixing ring. EMBODIMENTS

[0018] The following specific embodiments can further clearly understand this patent, but they do not limit this patent.

[0019] Embodiment 1: A high-voltage shore power connector, comprising: a box body 1 rotatably provided with a box door 2. Inside the box body 1, there is a support plate 4 having a plurality of through holes 401. The support plate 4 divides the internal space of the box body 1 into an upper cavity 101 and a lower cavity 102. The through holes 401 communicate the upper cavity 101 and the lower cavity 102. At the bottom of the lower cavity 102, there is an air inlet 305, and a fan 301 is provided between the air inlet 305 and the through holes 401; Inside the upper cavity 101, there is a connection terminal 6. Above the connection terminal 6, there is a top plate 7, and the top plate 7 is elastically connected to the top wall of the upper cavity 101 through a first elastic member 8. Between the connection terminal 6 and the support plate 4, there is a mounting plate 512 with a fixing ring 9 provided on the top. The connection terminal 6 is connected to the inner wall of the fixing ring 9, and the mounting plate 512 is elastically connected to the support plate 4; Place the wiring terminal with the fixing ring sleeved in the box body. The wiring terminal is clamped and fixed by the top plate and the mounting plate. When the internal connector is vibrated by an external force, the mounting plate vibrates. Through the movement of the rotating rod, the slider moves along the fixed rod, and the moving block moves in the chute. The second elastic member can relieve the force on the slider, thereby realizing buffering. Through the setting of the sleeve, the sliding rod and the third elastic member, after buffering, the mounting plate can be prevented from shaking continuously due to the elastic force of the second elastic member. When the wiring terminal vibrates with the mounting plate, the top plate always fits and clamps the wiring terminal through the first elastic member, preventing the wiring terminal from loosening.

[0020] A plurality of sleeves 507 are installed on the top of the above-mentioned support plate 4, and a third elastic member 509 is provided between the sleeve 507 and the mounting plate 512. While realizing the elastic connection between the mounting plate and the support plate, a certain heat dissipation space is reserved between the mounting plate and the support plate, facilitating heat dissipation through the airflow.

[0021] At the bottom of the above-mentioned mounting plate 512, there is a sliding rod 508 for embedding inside the sleeve 507, and the above-mentioned third elastic member 509 is sleeved on the outer wall of the sliding rod 508, greatly improving the position accuracy of the mounting plate moving in the vertical direction and also improving the stability of the mounting plate moving up and down, avoiding the situation that the mounting plate continuously shakes in the horizontal direction.

[0022] The above-mentioned sliding rods 508 are arranged at the four corners of the bottom of the mounting plate 512, improving the uniformity of the force on the mounting plate and avoiding the situation that the connection terminal is misaligned due to the inclination of the mounting plate, further improving the position accuracy of the connection terminal and facilitating connection by personnel.

[0023] On the upper surface of the above-mentioned support plate 4, a fixed plate 502 is arranged at intervals, and two sliders 504 are arranged between the two fixed plates 502. A second elastic member 505 is arranged between each of the above-mentioned sliders 504 and the fixed plate 502. A connecting seat 511 is fixedly installed at the bottom of the above-mentioned mounting plate 512, and the connecting seat 511 is movably connected to the two sliders 504 through a rotating rod 510 respectively.

[0024] A fixed rod 503 is installed between the two above-mentioned fixed plates 502, and the two above-mentioned sliders 504 are sleeved on the fixed rod 503.

[0025] The above-mentioned second elastic member 505 is located on the opposite sides of the two sliders 504, and the second elastic member 505 is sleeved on the outer wall of the above-mentioned fixed rod 503.

[0026] A chute 501 is opened on the upper surface of the above-mentioned support plate 4 and between the two fixed plates 502. A moving block 506 slidably connected to the chute 501 is installed at the bottom of the above-mentioned slider 504.

[0027] A filter plate 303 is covered on the above-mentioned air inlet 305.

[0028] Dovetail grooves 302 are arranged on both the upper and lower sides of the above-mentioned air inlet 305, and the filter plate 303 is provided with dovetail blocks 304 that cooperate with the dovetail grooves 302.

[0029] Embodiment 2: A high-voltage shore power connector, comprising: a box body 1 with a box door 2 rotatably installed. Inside the box body 1, there is a support plate 4 having a plurality of through holes 401. The support plate 4 divides the internal space of the box body 1 into an upper cavity 101 and a lower cavity 102. The through holes 401 communicate the upper cavity 101 and the lower cavity 102. An air inlet 305 is opened at the bottom of the lower cavity 102, and a fan 301 is arranged between the air inlet 305 and the through holes 401; An air inlet communicating with the outside is provided in the lower cavity of the box body, and a fan is arranged at the bottom of the support plate. The airflow formed by the fan passes through the through holes opened on the support plate, so that the wiring terminals can be cooled. Through the dovetail grooves opened on the surface of the box body, the dovetail blocks and the filter plate slidably connected to the inner wall of the dovetail groove, the dust in the air can be filtered to prevent dust from entering the inside and affecting the use and heat dissipation of the connector; A connecting terminal 6 is arranged inside the upper cavity 101. A top plate 7 is arranged above the connecting terminal 6, and the top plate 7 is elastically connected to the top wall of the upper cavity 101 through a first elastic member 8. An installation plate 512 with a fixed ring 9 at the top is arranged between the connecting terminal 6 and the support plate 4. The connecting terminal 6 is connected to the inner wall of the fixed ring 9, and the installation plate 512 is elastically connected to the support plate 4; The connecting terminal is pressed and fixed on the mounting plate through the top plate. During the downward movement of the mounting plate, the two sliders are pushed to move away from each other to compress the second elastic member, so that the position change of the connecting terminal can be buffered, avoiding the loosening of the connection of the connecting terminal. And the external low-temperature air is introduced into the lower cavity through the air inlet by the fan, and the through holes of the support plate communicate the lower cavity with the upper cavity, so that the inside of the box body can be cooled, greatly improving the working reliability of the connecting terminal.

[0030] A plurality of sleeves 507 are installed on the top of the above-mentioned support plate 4, and a third elastic member 509 is arranged between the sleeve 507 and the mounting plate 512.

[0031] A sliding rod 508 for embedding inside the sleeve 507 is arranged at the bottom of the above-mentioned mounting plate 512, and the above-mentioned third elastic member 509 is sleeved on the outer wall of the sliding rod 508.

[0032] The above-mentioned sliding rod 508 is arranged at the four corners of the bottom of the mounting plate 512.

[0033] A fixing plate 502 is arranged at intervals on the upper surface of the above-mentioned support plate 4, and two sliders 504 are arranged between the two fixing plates 502. A second elastic member 505 is arranged between each of the above-mentioned sliders 504 and the fixing plate 502. A connecting seat 511 is fixedly installed at the bottom of the above-mentioned mounting plate 512, and the connecting seat 511 is movably connected to the two sliders 504 through a rotating rod 510 respectively, increasing the resistance of the mounting plate to shake, which is beneficial to shortening the shaking time of the mounting plate in the vertical direction and also beneficial to reducing the shaking amplitude of the mounting plate in the vertical direction, further improving the stability of the mounting plate.

[0034] A fixing rod 503 is installed between the two above-mentioned fixing plates 502, and the two above-mentioned sliders 504 are sleeved on the fixing rod 503, so that the two sliders are located on the same straight line, improving the stability of the slider movement and the smoothness of the rotating rod movement.

[0035] The above-mentioned second elastic member 505 is located on the opposite sides of the two sliders 504, and the second elastic member 505 is sleeved on the outer wall of the above-mentioned fixing rod 503.

[0036] A chute 501 is opened on the upper surface of the above-mentioned support plate 4 and between the two fixing plates 502. A moving block 506 slidably connected to the chute 501 is installed at the bottom of the above-mentioned slider 504, further improving the position accuracy of the slider movement, improving the synchronism of the rotating rod movement, and being beneficial to reducing the situation of the mounting plate tilting caused by uneven force.

[0037] A filter plate 303 is covered on the above-mentioned air inlet 305, which can filter the air entering the inside of the box body.

[0038] A dovetail groove 302 is provided on both the upper and lower sides of the above-mentioned air inlet 305, and a dovetail block 304 that cooperates with the dovetail groove 302 is installed on the above-mentioned filter plate 303.

[0039] The above-mentioned top plate 7 is an elastic rubber plate.

[0040] A gap exists between the above-mentioned box door 2 and the box body 1, so that the gas inside the box body 1 can be discharged.

[0041] The working principle is as follows: During use, the terminal block with a fixing ring is placed inside the box body. The terminal block is clamped and fixed by the top plate and the mounting plate. When an external force causes the internal connector to vibrate, the mounting plate vibrates. Through the movement of the rotating rod, the slider moves along the fixed rod, and the moving block moves in the chute. The second elastic member can relieve the force on the slider, thereby achieving buffering. Through the arrangement of the sleeve, the sliding rod and the third elastic member, after buffering, the mounting plate can be prevented from shaking continuously due to the elastic force of the second elastic member. When the terminal block vibrates with the mounting plate, the top plate always fits and clamps the terminal block through the first elastic member, preventing the terminal block from loosening; An air inlet communicating with the outside is provided in the lower cavity of the box body. A fan is provided at the bottom of the support plate. The airflow formed by the fan passes through the through holes opened on the support plate, so as to dissipate heat from the terminal block. Through the dovetail groove opened on the surface of the box body, the dovetail block slidingly connected to the inner wall of the dovetail groove and the filter plate, the dust in the air can be filtered to prevent dust from entering the interior and affecting the use and heat dissipation of the connector.

[0042] When a high-voltage shore power connector is adopted, it presses and fixes the connection terminal on the mounting plate through the top plate. During the downward movement of the mounting plate, it will push the two sliders to move away from each other and compress the second elastic member, thereby buffering the position change of the connection terminal and avoiding the loosening of the connection of the connection terminal. Moreover, the external low-temperature air is introduced into the lower cavity through the air inlet by the fan, and the through holes of the support plate connect the lower cavity and the upper cavity, so as to realize the cooling of the interior of the box body, greatly improving the working reliability of the connection terminal.

[0043] The above embodiments are only used to illustrate the technical concept and characteristics of the present invention, and their purpose is to enable those who are familiar with this technology to understand the content of the present invention and implement it accordingly, and cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. A high-voltage shore power connector, comprising: A box body (1) with a box door (2) rotatably installed, characterized in that: inside the box body (1), there is a support plate (4) having a plurality of through holes (401), and the support plate (4) divides the internal space of the box body (1) into an upper cavity (101) and a lower cavity (102). The through holes (401) communicate the upper cavity (101) and the lower cavity (102). At the bottom of the lower cavity (102), there is an air inlet (305), and a fan (301) is provided between the air inlet (305) and the through holes (401). Inside the upper cavity (101), there is a connection terminal (6). Above the connection terminal (6), there is a top plate (7), and the top plate (7) is elastically connected to the top wall of the upper cavity (101) through a first elastic member (8). Between the connection terminal (6) and the support plate (4), there is a mounting plate (512) with a fixing ring (9) provided at the top. The connection terminal (6) is connected to the inner wall of the fixing ring (9), and the mounting plate (512) is elastically connected to the support plate (4).

2. The high-voltage shore power connector according to claim 1, characterized in that: A plurality of sleeves (507) are installed on the top of the support plate (4), and a third elastic member (509) is provided between the sleeves (507) and the mounting plate (512).

3. The high-voltage shore power connector according to claim 2, characterized in that: At the bottom of the mounting plate (512), there is a sliding rod (508) for being embedded inside the sleeve (507), and the third elastic member (509) is sleeved on the outer wall of the sliding rod (508).

4. The high-voltage shore power connector according to claim 3, characterized in that: The sliding rods (508) are arranged at the four corners of the bottom of the mounting plate (512).

5. The high-voltage shore power connector according to claim 2, characterized in that: On the upper surface of the support plate (4), a fixed plate (502) is arranged at intervals, and between the two fixed plates (502), there are two sliders (504). A second elastic member (505) is provided between each slider (504) and the fixed plate (502). At the bottom of the mounting plate (512), a connecting seat (511) is fixedly installed, and the connecting seat (511) is respectively movably connected to the two sliders (504) through a rotating rod (510).

6. The high-voltage shore power connector according to claim 5, characterized in that: A fixed rod (503) is installed between the two fixed plates (502), and the two sliders (504) are sleeved on the fixed rod (503).

7. The high-voltage shore power connector according to claim 6, characterized in that: The second elastic member (505) is located on the opposite sides of the two sliders (504), and the second elastic member (505) is sleeved on the outer wall of the fixed rod (503).

8. The high-voltage shore power connector according to claim 5, characterized in that: On the upper surface of the support plate (4) and between the two fixed plates (502), there is a chute (501). At the bottom of the slider (504), there is a moving block (506) slidably connected to the chute (501).

9. The high-voltage shore power connector according to claim 1, characterized in that: The air inlet (305) is covered with a filter plate (303).

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