Common rectifier tube module

Abstract

The utility model discloses a common rectifier tube module, comprising a pedestal, the pedestal is provided with at least two wiring chambers, the wiring chambers are provided with conductive plates, two sides of the wiring chambers are provided with air channels, two sides of the conductive plates are provided with extension parts, and the extension parts are arranged in the air channels. And a distance for a gas medium to flow is reserved between the extension part and the side wall of the air duct. Heat generated by the current-conducting plate is absorbed by the heat-conducting block, the density of air in the air channel is reduced and naturally increased after the air is heated, meanwhile, cold air is supplemented from the bottom of the air channel to form continuous air convective circulation, and the temperature of the current-conducting plate is remarkably reduced. In addition, by additionally arranging the heat dissipation fins, the contact area with external air is increased, the heat exchange efficiency is further improved, the stability of the temperature of the current-conducting plate is further guaranteed, and under the synergistic effect of double cooling measures, the product has the advantages of controlling the temperature rise of a wiring end, running stably and prolonging the service life.

Description

TECHNICAL FIELD

[0001] The utility model relates to rectifier module technical field especially relates to a common rectifier tube module. BACKGROUND

[0002] Thyristor is the abbreviation of thyristor, also can be called as controllable silicon rectifier or rectifier tube module, thyristor conduction condition is: add forward voltage and gate has trigger current, thyristor is a switching element, can work under high voltage, big current condition, and its working process can be controlled, is widely used in controllable rectification, AC voltage regulation, non-contact electronic switch, inverter and frequency conversion etc. Electronic circuit, is the typical small current control big current equipment,

[0003] The rectifier tube module adopts non-metal insulating material to package multiple rectifier tubes, connects internally according to rectification principle, and extends electrode to build complete rectification circuit, realizes electrical connection with external circuit by setting terminal at electrode, to play the function of rectifier bridge. However, when the circuit transports larger current, the terminal will quickly heat up to a higher temperature, which not only affects the contact resistance value, reduces the current conversion efficiency, but also accelerates the aging process of the non-metal insulating material, thereby weakening its insulation performance and increasing the risk of short circuit. Therefore, the applicant has made beneficial design, found a method to solve the above problems, and the technical scheme to be introduced below is generated in this background. SUMMARY

[0004] The utility model discloses a product of control terminal temperature rise, stable operation, improve service life is provided to overcome the deficiency of traditional rectifier tube module design.

[0005] To solve the above problems, the utility model adopts the following technical scheme.

[0006] A common rectifier tube module, including base, the base is equipped with at least two wiring chambers, the wiring chamber is equipped with the conductive plate, both sides of the wiring chamber are equipped with the air duct, both sides of the conductive plate are equipped with the extension, and are arranged in the air duct, the distance between the extension and the side wall of the air duct is left for the flow of gaseous medium, the extension is equipped with the heat conduction block, the heat conduction block is equipped with a plurality of equal-interval radiating fins from left to right.

[0007] Preferably, the conductive plate is provided with a fastening screw, and the conductive plate and the extension are in a vertical relationship.

[0008] Preferably, the outer wall of the base is provided with a groove accommodating the heat conduction block and the radiating fins, the groove is communicated with the air duct, and the groove located above the radiating fins is provided with an inclined flow guide portion.

[0009] Preferably, a protrusion is arranged between adjacent grooves.

[0010] Preferably, the bottom of the base is provided with a sink, so that the inlet of the air duct and the bottom of the base are kept at a distance for cold air to supplement into the air duct.

[0011] Preferably, the heat-conducting block is provided with at least two mounting holes and is connected and fixed with the extension by screws.

[0012] Preferably, the two sides of the extension are provided with inclined portions.

[0013] Advantages:

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The utility model discloses a heat-conducting block is used to absorb the heat generated by the conductive plate, so that the air in the air duct is heated and the density is reduced, and the cold air is supplemented from the bottom of the air duct, forming a continuous air convection circulation, which significantly reduces the temperature of the conductive plate. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of a common rectifier tube module of the utility model;

[0017] Figure 2 It is a side cross-sectional structure schematic view of a common rectifier tube module of the utility model;

[0018] Figure 3 It is a top view of a common rectifier tube module of the utility model;

[0019] Figure 4 It is an exploded structure schematic view of a common rectifier tube module of the utility model;

[0020] The corresponding relationship between the annotations of each drawing and the component names in the drawings is as follows:

[0021] Reference signs: 1, base; 2, conductive plate; 3, heat-conducting block; 11, wiring chamber; 12, air duct; 13, groove; 14, flow guide portion; 15, protruding portion; 16, sink; 21, extension; 22, fastening screw; 211, inclined portion; 31, heat dissipation fin; 32, mounting hole. DETAILED DESCRIPTION

[0022] The technical solutions of the present application will be described clearly and completely in combination with the embodiments below, obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0023] In the description of the present application, it should be understood that the positions or location relationships indicated by the terms "upper", "lower", "left", "right" and the like are based on the positions or location relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular position, be constructed and operated in a particular position, therefore, it cannot be understood as a limitation on the present application.

[0024] In the embodiments of the present application, "and / or" is only a description of the association relationship of the associated objects, which means that there can be three kinds of relationships, for example, A and / or B can represent the existence of A alone, the existence of A and B together, and the existence of B alone. In addition, the character " / " in this paper generally represents that the front and rear associated objects have an "or" relationship.

[0025] Reference example Figures 1 to 4 A general rectifier tube module, comprising a base 1, the base 1 is provided with at least two wiring cavities 11, the wiring cavity 11 is provided with a conductive plate 2, both sides of the wiring cavity 11 are provided with air ducts 12, both sides of the conductive plate 2 are provided with extension parts 21, and the extension parts 21 are arranged in the air ducts 12, a distance for gas medium flow is left between the extension parts 21 and the side wall of the air duct 12, the extension part 21 is provided with a heat conduction block 3, the heat conduction block 3 is provided with a plurality of equidistant heat dissipation fins 31 from left to right, the heat conduction block 3 absorbs the heat generated by the conductive plate 2, so that the air in the air duct 12 is heated and naturally rises, at the same time, cold air is supplemented from the bottom of the air duct 12, forming a continuous air convection circulation, which significantly reduces the temperature of the conductive plate 2; in addition, by adding the heat dissipation fins 31, the contact area with the external air is increased, and the heat exchange efficiency is further improved, which further ensures the stability of the temperature of the conductive plate 2; under the synergistic effect of the double cooling measures, even if the circuit transports a large current, the conductive plate 2 can also be effectively prevented from rapidly rising in temperature, the contact resistance value is prevented from rising and the current conversion efficiency is prevented from being reduced, at the same time, the aging process of the non-metallic insulating material is slowed down, the excellent insulation performance is maintained, and the short circuit risk is reduced;

[0026] It is worth mentioning that the conductive plate 2 is provided with a fastening screw 22, the conductive plate 2 and the extension part 21 are in a vertical relationship, the fastening screw 22 is electrically connected with the circuit, the vertical relationship not only cooperates with the air duct 12, but also facilitates the conductive plate 2 to be connected and fixed with the base 1 in a plug-in manner.

[0027] It is worth mentioning that the outer wall of the base 1 is provided with a groove 13 accommodating the heat-conducting block 3 and the heat-dissipating fins 31, the groove 13 is communicated with the air duct 12, the groove 13 is provided with an inclined flow guide part 14 above the heat-dissipating fins 31, the structure of the groove 13 avoids the heat-conducting block 3 and the heat-dissipating fins 31 protruding from both sides of the base 1, and the product still has a good function of controlling the temperature rise of the terminal under the condition that the overall volume of the product is not changed too much, the flow guide part 14 orderly guides the cold air after heat exchange and the hot air generated by the heat-dissipating fins 31, reduces the residence time of the hot air here, through this design, the air circulation convection speed is significantly improved, and the heat dissipation effect is further enhanced, and the stability and reliability of the product in long-time operation are ensured.

[0028] It is worth mentioning that the protruding parts 15 are arranged between the adjacent grooves 13, the protruding parts 15 prevent the staff from accidentally touching the heat-dissipating fins 31 when taking the product, effectively prevent the heat-dissipating fins 31 from being bent or damaged due to external force, and ensure the stability and service life of the heat dissipation system, and the protruding parts 15 increase the creepage distance of the adjacent heat-conducting blocks 3.

[0029] It is worth mentioning that the bottom of the base 1 is provided with a sink 16, so that the inlet of the air duct 12 and the bottom of the base 1 leave a distance for the cold air to supplement into the air duct 12;

[0030] It is worth mentioning that the heat-conducting block 3 is provided with at least two mounting holes 32, and is connected and fixed with the extension part 21 through screws, the heat-conducting block 3 can be quickly disassembled from the extension part 21 through the mounting holes 32 and replaced, and it should be noted that according to the customer's demand, if it is necessary to further control the temperature rise of the terminal, the heat-conducting block 3 and the extension part 21 can be smeared with heat-dissipating silicone grease, and the material of the heat-conducting block 3 can be selected as aluminum or copper;

[0031] It is worth mentioning that the two sides of the extension part 21 are provided with inclined parts 211, the inclined parts 211 make the distance between the extension part 21 and the inner wall of the air duct 12 larger when the extension part 21 is close to the inlet below the air duct 12, so that more cold air enters into the air duct 12, as shown in the accompanying drawings, the inclined parts 211 increase the contact area between the extension part 21 and the air duct 12, this design improves the heat exchange efficiency between the cold air in the air duct 12 and the extension part 21, and further reduces the temperature rise of the conductive plate 2, and ensures that the product can still maintain stable performance under high load operation. Figure 2

[0032] The above design scheme can make the product control the temperature rise of the terminal, stably operate and improve the service life.

[0033] ​The above is further detailed description of the utility model in combination with specific embodiments, and cannot be determined that the utility model specific implementation is limited to these descriptions. For ordinary skilled in the art to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, and all should be regarded as belonging to the protection scope determined by the claims submitted by the utility model.

Claims

1. A general rectifier tube module comprising a base (1) provided with at least two terminal cavities (11) provided with electrically conductive plates (2), characterized in that: The both sides of the wiring chamber (11) are provided with air ducts (12), the both sides of the conductive plate (2) are provided with extension parts (21) and are arranged in the air ducts (12), the extension parts (21) and the side walls of the air ducts (12) leave a distance for the flowing of gas medium, the extension parts (21) are provided with heat-conducting blocks (3), and the heat-conducting blocks (3) are provided with a plurality of equidistant heat dissipation fins (31) from left to right.

2. The general rectifier tube module according to claim 1, characterized by: The conductive plate (2) is provided with fastening screws (22), and the conductive plate (2) is in a vertical relationship with the extension part (21).

3. The general rectifier module of claim 1, wherein: The outer wall of the base (1) is provided with a recess (13) for accommodating the heat-conducting block (3) and the heat dissipation fin (31), the recess (13) is communicated with the air duct (12), and the recess (13) is provided with an inclined flow guide part (14) above the heat dissipation fin (31).

4. The general rectifier module of claim 3, wherein: The recesses (13) are provided with protruding parts (15) between adjacent recesses (13).

5. The general rectifier module of claim 1, wherein: The bottom of the base (1) is provided with a sunken groove (16), so that the inlet of the air duct (12) and the bottom of the base (1) leave a distance for the flowing of cold air into the air duct (12).

6. The general rectifier module of claim 1, wherein: The heat-conducting block (3) is provided with at least two mounting holes (32) and is connected and fixed with the extension part (21) through screws.

7. The general rectifier module of any one of claims 2 to 6, wherein: The both sides of the extension part (21) are provided with inclined parts (211).

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