Large-current duckbilled plug contact and data center power supply module

Abstract

The embodiment of the utility model discloses a large-current duckbilled plug contact and a data center power supply module, the duckbilled plug contact comprises a static contact, a duckbilled moving contact, a moving contact frame and a conductive base, the duckbilled moving contact and the moving contact frame are correspondingly arranged on the conductive base, and the conductive base is provided with a plurality of conductive terminals. The moving contact frame is provided with an elastic member which applies pressure to two sides of the duckbilled moving contact. According to the utility model, the grounding resistance is reduced through the elastic piece with high-strength pressure, and air cooling is started or stopped according to the temperature change detected by the temperature sensor in a large-current operation state, so that the risk of insulation aging of the contact is eliminated, and the reliability and safety of power supply of the data center are further improved.

Description

Technical Field

[0001] The utility model relates to the field of electrical equipment, in particular to a high-current duckbill plug contact and a data center power module. Background Art

[0002] With the widespread adoption of information technology and artificial intelligence, data center power supply reliability and safety requirements are becoming increasingly stringent. To meet the demand for shorter power outage maintenance times, the low-voltage busbar connection on the power transformer has been replaced with a plug-in design instead of a bolted connection. The plug-in contact structure of the power supply is prone to overheating during high current operation. Insulation degradation can easily cause power outages if cooling and ventilation are poor. Utility Model Content

[0003] The technical problem to be solved by the embodiments of the present invention is to provide a high-current duckbill plug contact and a data center power supply module to reduce grounding resistance, eliminate the risk of contact insulation aging, and improve the reliability and safety of power supply in the data center.

[0004] In order to solve the above technical problems, an embodiment of the utility model proposes a high-current duckbill plug-in contact, including a static contact, a duckbill moving contact, a moving contact frame, and a conductive base. The duckbill moving contact and the moving contact frame are correspondingly arranged on the conductive base, and the moving contact frame is provided with an elastic part that applies pressure to both sides of the duckbill moving contact.

[0005] Furthermore, the elastic member is composed of a plurality of compression springs.

[0006] Furthermore, the surface of the static contact and the inner side of the duckbill type moving contact are plated with a silver layer, and a graphite and electric composite grease coating is provided on the silver layer.

[0007] Furthermore, the moving contact frame is a steel frame, and the surface is plated with a copper layer.

[0008] Furthermore, the static contact is T-shaped.

[0009] Correspondingly, an embodiment of the present invention also provides a data center power supply module, including a dry-type transformer and an output low-voltage side busbar for powering a data center, and also including the above-mentioned high-current duckbill plug-in contacts. The dry-type transformer includes a dry-type transformer low-voltage side output busbar, a conductive base is arranged on the dry-type transformer low-voltage side output busbar, and a static contact is arranged on the output low-voltage side busbar.

[0010] Furthermore, it also includes a cooling fan assembly, which includes a cooling air outlet for blowing air toward the duckbill type moving contact. A temperature sensor is correspondingly provided on the conductive base, and the temperature sensor is electrically connected to the cooling fan assembly.

[0011] Furthermore, the output low-voltage side busbar and the dry-type transformer low-voltage side output busbar are both supported and fixed by insulators.

[0012] The beneficial effects of the present invention are as follows: the present invention reduces the grounding resistance through elastic parts with high-strength pressure. Under high-current operation, the present invention starts or shuts down the air cooling according to the temperature changes detected by the temperature sensor, thereby eliminating the risk of contact insulation aging and improving the reliability and safety of power supply in the data center. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural diagram of a high-current duckbill plug contact according to an embodiment of the utility model.

[0014] Figure 2 It is a three-dimensional view at one angle of the movable contact frame of the high-current duckbill plug contact of the embodiment of the utility model after being hidden.

[0015] Figure 3 It is a three-dimensional view from another angle of the movable contact frame of the high-current duckbill plug contact of the embodiment of the utility model after being hidden.

[0016] Figure 4 It is a three-dimensional diagram of a data center power supply module according to an embodiment of the present invention.

[0017] Explanation of Figure Numbers

[0018] Static contact 10, output low-voltage side busbar 11, insulator 12, duckbill moving contact 20, moving contact frame 21, conductive base 22, elastic member 23, dry-type transformer low-voltage side output busbar 24, cooling air outlet 25, temperature sensor 26, dry-type transformer 30, cooling fan assembly 31. DETAILED DESCRIPTION

[0019] It should be noted that, unless there is a conflict, the embodiments in this application and the features described in the embodiments can be combined with each other. The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0020] In the embodiments of the present invention, if there are directional indications (such as up, down, left, right, front, back, etc.), they are only used to explain the relative position relationship and movement status of the various components under a specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0021] In addition, in this utility model, the terms "first," "second," etc. are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, features specified as "first" or "second" may explicitly or implicitly include at least one of these features.

[0022] Please refer to Figures 1 to 3 The high-current duckbill plug-in contact of the embodiment of the present utility model includes a static contact, a duckbill moving contact, a moving contact frame, and a conductive base.

[0023] The duckbill movable contact and movable contact frame are mounted on the conductive base. The movable contact frame is equipped with an elastic member that applies pressure to both sides of the duckbill movable contact. The elastic member is composed of several compression springs. The conductive base, stationary contact, and duckbill movable contact are all made of copper, with the conductive base preferably being a copper flat plate.

[0024] As an embodiment, the surface of the static contact and the inner side of the duckbill moving contact are both plated with silver, and a graphite and electrical composite grease coating is applied to the silver layer. The duckbill moving contact consists of two opposing power head plates, with the front end of the power head plate forming the moving contact duckbill portion, and the corresponding static contact being T-shaped. The moving contact duckbill portion and the power head plate are both integrally formed copper components. The static contact is made of copper material, with a silver-plated outer layer and a graphite and electrical composite grease coating on the surface to isolate corrosive substances, reduce contact resistance, and reduce sliding resistance between the metal of the duckbill moving contact and the metal of the static contact, thereby preventing wear.

[0025] The elastic member preferably adopts 18 high-strength compression springs, which are fixed between the power head plate and the moving contact frame of the duckbill type moving contact to ensure that the contact surface with the static contact is flat and in close contact.

[0026] As an embodiment, the movable contact frame is a steel frame, which can improve strength and prevent deformation under the long-term action of the elastic member. The surface of the steel frame is plated with a copper layer, which is more conducive to heat conduction.

[0027] This high-current duckbill plug-in contact is designed for use on the low-voltage busbar outlet side of a data center dry-type transformer compartment. To ensure rapid maintenance and personnel safety, the dry-type transformer can be pulled out of the compartment when maintenance or overhaul is required, replacing the traditional bolted busbar connector. This disconnects the power source and allows for convenient and safe maintenance in the spacious exterior compartment. The dry-type transformer can also be used as a spare component, allowing for quick replacement in the event of a failure or maintenance, improving reliability while minimizing power outages and achieving significant economic benefits.

[0028] Please refer to Figure 4 The data center power supply module of the embodiment of the present utility model includes a dry-type transformer, an output low-voltage side busbar, and a high-current duckbill plug-in contact.

[0029] The power supply module of the utility model is of large current no-load switching type, and the mutual movement state is of sliding type.

[0030] The output low-voltage busbar electrically connects to servers and other equipment in the data center, providing power for the data center. The dry-type transformer includes a low-voltage output busbar. The conductive base is bolted to the low-voltage output busbar, and the static contacts are bolted to the low-voltage output busbar. Both the output low-voltage busbar and the dry-type transformer low-voltage output busbar are constructed of copper. In specific implementation, a support bracket for the moving contact insulator can be installed outside the low-voltage coil of the dry-type transformer and between the upper and lower clamping plates to ensure that the insulator does not deform under insertion and removal forces, thereby meeting precision requirements.

[0031] As an embodiment, the data center power module also includes a cooling fan assembly, and the cooling fan assembly includes a cooling air outlet for blowing air toward the duckbill moving contact, and the cooling air outlet is aligned with the duckbill moving contact. A temperature sensor is correspondingly provided on the conductive base, and the temperature sensor is electrically connected to the cooling fan assembly. The cooling fan assembly includes a heat exhaust fan and an electrical compartment air conditioning cold air. When the temperature reaches the first-level set value, the temperature sensor drives the relay to operate, the heat exhaust fan starts, and the air outlet is located directly below the duckbill moving contact. When the temperature reaches the second-level set value, the temperature sensor drives the corresponding relay to operate, and the electrical compartment air conditioning cold air is input to cool the contact quickly, which can increase the high current carrying capacity of the conductor and ensure the reliable and safe operation of the insulator during its service life.

[0032] Below the duckbill moving contact is a cooling air outlet for cooling the duckbill moving contact. Under the control of the temperature sensor, cooling air is automatically supplied to prevent the contact from overheating under high current, causing high resistance and deteriorating insulation performance, and to avoid long-term high current overheating, causing aging and then short circuit accidents.

[0033] As an implementation method, the output low-voltage side busbar and the dry-type transformer low-voltage side output busbar are both supported and fixed by insulators.

[0034] The insulators for the duckbill moving contacts are fixed to the steel frame of the dry-type transformer to ensure the conductive flatness and precision required for the plug-in and pull-out contacts. The copper conductive base at the bottom of the duckbill moving contact is the primary high-current conducting element. Its contact surface with the dry-type transformer's low-voltage output busbar is flat and evenly stressed, and can be secured with 16 surface bolts to the required torque.

[0035] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high current duckbill plug contact, characterized in that: It includes a static contact, a duckbill moving contact, a moving contact frame, and a conductive base. The duckbill moving contact and the moving contact frame are correspondingly arranged on the conductive base. The moving contact frame is provided with an elastic member that applies pressure to both sides of the duckbill moving contact.

2. The high-current duckbill plug contact according to claim 1, characterized in that: The elastic member is composed of a plurality of compression springs.

3. The high current duckbill plug contact according to claim 1, characterized in that: The surface of the static contact and the inner side of the duckbill moving contact are both plated with a silver layer, and a graphite and electric composite grease coating is provided on the silver layer.

4. The high current duckbill plug contact according to claim 1, characterized in that: The moving contact frame is a steel frame with a copper coating on the surface.

5. The high current duckbill plug contact according to claim 1, characterized in that: The static contact is T-shaped.

6. A data center power supply module, comprising a dry-type transformer and an output low-voltage side busbar for powering a data center, characterized in that: It also includes a high-current duckbill plug-in contact as described in any one of claims 1 to 5. The dry-type transformer includes a low-voltage side output busbar of the dry-type transformer, the conductive base is arranged on the low-voltage side output busbar of the dry-type transformer, and the static contact is arranged on the output low-voltage side busbar.

7. The data center power supply module according to claim 6, wherein: It also includes a cooling fan assembly, which includes a cooling air outlet for blowing air toward the duckbill moving contact. A temperature sensor is correspondingly provided on the conductive base, and the temperature sensor is electrically connected to the cooling fan assembly.

8. The data center power supply module according to claim 6, wherein: The output low-voltage side busbar and the dry-type transformer low-voltage side output busbar are both supported and fixed by insulators.

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