High-voltage switching box

Abstract

The utility model provides a high-voltage switching box comprising a box body, and the box body is internally provided with an accommodation cavity used for placing a wiring assembly, three pairs of joint assembly ports communicated with the accommodation cavity, and a grounding port. The three pairs of connector assembly ports comprise a first pair of positive and negative electrode BNC connectors used for being connected with a high-voltage source meter, a second pair of positive and negative electrode BNC connectors used for outputting and a third pair of positive and negative electrode BNC connectors used for outputting. The box body is provided with the second pair of anode and cathode banana joints and the third pair of anode and cathode BNC joints at the same time, the diversity of output end joints is met, and the joint assembly ports are arranged in the protection chamber, so that the joint assembly ports are effectively protected, and collision damage is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of semiconductors, in particular to a high-voltage transfer box. Background Art

[0002] The high-voltage adapter box is a device used in semiconductor testing equipment to transfer high-voltage cables. In order to supply high voltage to the chip to be tested, the high-voltage cable needs to be connected from the source meter to the chip through an adapter. The existing high-voltage adapter box output end cable connector type is relatively simple, which is not convenient for powering the probe and increases the complexity of wiring. At the same time, the traditional high-voltage adapter box output end cable connector is exposed to the outside of the high-voltage adapter box, which is easily damaged by collision or poor contact caused by dust and water vapor pollution. Utility Model Content

[0003] In order to solve the above problems, the utility model provides a high voltage transfer box to more accurately solve the above problems.

[0004] The utility model is realized by the following technical solutions:

[0005] The utility model provides a high-voltage adapter box, comprising a box body, wherein an accommodating cavity for placing a wiring assembly and three pairs of connector assembly ports connected to the accommodating cavity and a grounding port are provided inside the box body, wherein the three pairs of connector assembly ports comprise a first pair of positive and negative BNC connectors for connecting to a high-voltage source meter, a second pair of positive and negative banana connectors for output, and a third pair of positive and negative BNC connectors for output, wherein the first pair of positive and negative BNC connectors and the second pair of positive and negative banana connectors are connected in series through the wiring assembly, and the first pair of positive and negative BNC connectors and the third pair of positive and negative BNC connectors are connected in series through the wiring assembly, an assembly notch is provided on one side of the box body, and a cover plate for closing the assembly notch is fixed to the box body by screws.

[0006] Furthermore, the box body is provided with protection chambers integrally formed on both sides of the connector assembly opening, and the connector assembly opening is arranged inside the protection chamber, and wire holes are opened on the outer wall of the protection chamber corresponding to the position of each connector assembly opening.

[0007] Furthermore, a paddle slide groove is provided on the outer wall of the protection chamber corresponding to the position of each wire hole, and a dustproof paddle is matched in the paddle slide groove. A guide rib is integrally formed on the inner side of the dustproof paddle, and a guide groove for guiding the dustproof paddle is opened on the paddle slide groove, and the guide rib is slidably connected in the guide groove.

[0008] Furthermore, an elastic telescopic member is connected between one side of the guide rib and the inner wall of the protection chamber, and the telescopic guide of the elastic telescopic member is consistent with the guide channel.

[0009] Furthermore, the wire hole is a hole with a circular center, and one end of the dust-proof pick close to the wire hole is a circular notch.

[0010] Beneficial effects of the utility model:

[0011] 1. The box body of the utility model has a second pair of positive and negative banana connectors and a third pair of positive and negative BNC connectors, which meet the diversity of output connectors, and the connector assembly ports are arranged inside the protection chamber, which effectively protects each connector assembly port to prevent collision damage.

[0012] 2. When the connector assembly port is not in use, the dust-proof pick closes the wire hole under the elastic force of the elastic telescopic member, thereby effectively preventing erosion, pollution and damage by dust or water vapor. When it is needed, it is only necessary to move the dust-proof pick to enter the wire hole for wiring. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the first three-dimensional structure of the utility model;

[0014] Figure 2 It is a second three-dimensional structural schematic diagram of the utility model;

[0015] Figure 3 It is a schematic diagram of a third three-dimensional structure of the utility model;

[0016] Figure 4 It is a front cross-sectional view of the structure of the utility model;

[0017] Figure 5 for Figure 4 Cross-sectional view at AA in the middle.

[0018] In the figure: 1. Box body; 101. Assembly notch; 102. Protection chamber; 1021. Wire hole; 1022. Pick slide groove; 1023. Guide channel; 2. Cover plate; 3. First pair of positive and negative BNC connectors; 4. Second pair of positive and negative banana connectors; 5. Third pair of positive and negative BNC connectors; 6. Dust-proof pick; 601. Guide ribs; 602. Elastic expansion member; 7. Grounding port. DETAILED DESCRIPTION

[0019] In order to more clearly and completely illustrate the technical solution of the present invention, the present invention is further described below in conjunction with the accompanying drawings.

[0020] Please refer to Figure 1-Figure 5The utility model proposes a high-voltage adapter box, including a box body 1, a receiving cavity for placing a wiring assembly, three pairs of connector assembly ports connected to the receiving cavity, and a grounding port 7, the three pairs of connector assembly ports include a first pair of positive and negative BNC connectors 3 for connecting to a high-voltage source meter, a second pair of positive and negative banana connectors 4 for output, and a third pair of positive and negative BNC connectors 5 for output, the first pair of positive and negative BNC connectors 3 and the second pair of positive and negative banana connectors 4 are connected in series through the wiring assembly, the first pair of positive and negative BNC connectors 3 and the third pair of positive and negative BNC connectors 5 are connected in series through the wiring assembly, an assembly notch 101 is opened on one side of the box body 1, and the box body 1 is fixed with a cover plate 2 for closing the assembly notch 101 by screws, the box body 1 and the cover plate 2 are both made of aluminum, which greatly reduces the overall mass of the adapter box while ensuring strength, making the adapter box lighter and more beautiful. The box body 1 also has a second pair of positive and negative banana connectors 4 and a third pair of positive and negative BNC connectors 5, which meet the diversity of output terminal connectors.

[0021] The box body 1 is provided with a protection chamber 102 integrally formed on both sides of the joint assembly port, and the joint assembly port is arranged inside the protection chamber 102, and a wire hole 1021 is opened on the outer wall of the protection chamber 102 and corresponds to the position of each joint assembly port, which effectively protects each joint assembly port to prevent collision damage, and a paddle slide groove 1022 is provided on the outer wall of the protection chamber 102 and corresponds to the position of each wire hole 1021, and a dustproof paddle 6 is matched in the paddle slide groove 1022, and a guide rib 601 is integrally formed on the inner side of the dustproof paddle 6, and a guide groove 1023 for guiding the dustproof paddle 6 is opened on the paddle slide groove 1022, and the guide rib 601 is slidably connected in the guide groove 1023, and one side of the guide rib 601 is connected to the protection chamber 1023. An elastic telescopic member 602 is connected between the inner walls of the protection chamber 102, and the telescopic guide of the elastic telescopic member 602 is consistent with the guide groove 1023. When the connector assembly port is not in use, the dust-proof pick 6 closes the wire hole 1021 under the elastic force of the elastic telescopic member 602, thereby effectively preventing erosion, pollution and damage by dust or water vapor. When it is needed, it is only necessary to move the dust-proof pick 6 to enter the wiring through the wire hole 1021. The wire hole 1021 is a hole with a center of a circle, and the end of the dust-proof pick 6 close to the wire hole 1021 is a circular recess. The wire hole 1021 and the circular recess of the dust-proof pick 6 are matched with the connector size of the external wire, so that external dust is less likely to enter, thereby protecting the cleanliness of the interior of the protection chamber 102.

[0022] Of course, the present utility model may have many other implementations. Based on the present implementation, other implementations obtained by ordinary technicians in this field without any creative work are all within the scope of protection of the present utility model.

Claims

1. A high voltage transfer box, comprising a box body (1), It is characterized in that The box body (1) is provided with a receiving cavity for accommodating a wiring assembly, and three pairs of connector assembly ports and a grounding port (7) in communication with the receiving cavity. The three pairs of connector assembly ports include a first pair of positive and negative BNC connectors (3) for connecting to a high-voltage source meter, a second pair of positive and negative banana connectors (4) for output, and a third pair of positive and negative BNC connectors (5) for output. The first pair of positive and negative BNC connectors (3) and the second pair of positive and negative banana connectors (4) are connected in series through the wiring assembly, and the first pair of positive and negative BNC connectors (3) and the third pair of positive and negative BNC connectors (5) are connected in series through the wiring assembly. An assembly notch (101) is provided on one side of the box body (1), and a cover plate (2) for closing the assembly notch (101) is fixed to the box body (1) by screws.

2. A high voltage transfer box according to claim 1, It is characterized in that The box body (1) is provided with a protection chamber (102) integrally formed on both sides of a joint assembly opening, and the joint assembly opening is arranged inside the protection chamber (102), and a wire hole (1021) is opened on the outer wall of the protection chamber (102) corresponding to the position of each joint assembly opening.

3. A high voltage transfer box according to claim 2, It is characterized in that A paddle slide groove (1022) is provided on the outer wall of the protection chamber (102) and corresponds to the position of each wire hole (1021); a dust-proof paddle (6) is matched in the paddle slide groove (1022); a guide rib (601) is integrally formed on the inner side of the dust-proof paddle (6); a guide channel (1023) for guiding the dust-proof paddle (6) is provided on the paddle slide groove (1022); and the guide rib (601) is slidably connected in the guide channel (1023).

4. A high voltage transfer box according to claim 3, It is characterized in that An elastic telescopic member (602) is connected between one side of the guide rib (601) and the inner wall of the protection chamber (102), and the telescopic guide of the elastic telescopic member (602) is consistent with the guide channel (1023).

5. A high voltage transfer box according to claim 3, It is characterized in that The wire hole (1021) is a circular opening, and one end of the dust-proof pick (6) close to the wire hole (1021) is a circular notch.

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