阅读说明：本技术 一种低压干式圆柱形电容器 (Low-voltage dry-type cylindrical capacitor ) 是由 夏钰智 缪国源 沙晨晨 于 2019-10-30 设计创作，主要内容包括：本发明涉及电容器技术领域,且公开了一种低压干式圆柱形电容器,包括壳体、固定安装在壳体内部的芯子和固定连接在壳体顶部的上盖,壳体的内部固定套接有位于芯子外侧的散热管,散热管的顶端与上盖的内部活动套接,上盖的顶部设置有位于散热管内侧的接线座,接线座的内部设置有接线柱,接线柱的顶端从上至下依次套装有缓冲垫片和垫片,接线座的顶部固定连接有位于接线柱外侧的压紧机构。该低压干式圆柱形电容器,通过在散热管的外侧设置导热片能够增大散热管与电容器内部空间的接触面积,将芯子产生的热量及时通过散热硅脂传递给散热管,通过散热管与外界空气的热量交换进行散热,提高电容器的散热性能。(The invention relates to the technical field of capacitors and discloses a low-voltage dry-type cylindrical capacitor which comprises a shell, a core and an upper cover, wherein the core is fixedly arranged in the shell, the upper cover is fixedly connected to the top of the shell, a radiating tube is fixedly sleeved in the shell and positioned on the outer side of the core, the top end of the radiating tube is movably sleeved with the inner part of the upper cover, a wire holder is arranged on the top of the upper cover and positioned on the inner side of the radiating tube, a wiring terminal is arranged in the wire holder, a buffer gasket and a gasket are sequentially sleeved on the top end of the wiring terminal from top to bottom, and a pressing mechanism. This cylindrical condenser of low pressure dry-type can increase the area of contact of cooling tube and condenser inner space through set up the conducting strip in the outside of cooling tube, gives the cooling tube with the heat that the core produced in time through the heat dissipation silicone grease transmission, dispels the heat through the heat exchange of cooling tube and outside air, improves the heat dispersion of condenser.)

1. The utility model provides a low pressure dry-type cylindrical capacitor, includes casing (1), fixed mounting core (2) and fixed connection upper cover (3) at casing (1) top in casing (1) inside, its characterized in that: the inside of casing (1) is fixed to be cup jointed and is located cooling tube (4) in the core (2) outside, the top of cooling tube (4) is cup jointed with the inside activity of upper cover (3), the top of upper cover (3) is provided with wire holder (5) that are located cooling tube (4) inboard, the inside of wire holder (5) is provided with terminal (6), the top of terminal (6) is from last to overlapping in proper order down and is equipped with buffer spacer (7) and gasket (8), the top fixedly connected with of wire holder (5) is located hold-down mechanism (9) in the terminal (6) outside.

2. A low voltage dry cylindrical capacitor as claimed in claim 1, wherein: the heat dissipation silicone grease located on the outer sides of the upper cover (3) and the heat dissipation pipe (4) is filled in the shell (1).

3. A low voltage dry cylindrical capacitor as claimed in claim 1, wherein: the radiating pipes (4) are twelve in number, the twelve radiating pipes (4) are annularly and equidistantly distributed on the outer side of the core (2), and heat conducting fins are arranged on the outer side of each radiating pipe (4).

4. A low voltage dry cylindrical capacitor as claimed in claim 1, wherein: the pressing mechanism (9) comprises a fixed frame (91) fixedly connected to the wire holder (5), a fixed plate (92) is fixedly connected to the inner side of the fixed frame (91), a fixed sleeve (93) is movably sleeved between the fixed frame (91) and the fixed plate (92), a pressure lever (94) is sleeved on an internal thread of the fixed sleeve (93), a limiting hole matched with the top end of the wiring terminal (6) is formed in the bottom end of the pressure lever (94), a handle is fixedly sleeved on the top end of the pressure lever (94) extending out of the outer portion of the fixed sleeve (93), the pressure lever (94) positioned on one side of the fixed sleeve (93) is fixedly sleeved on the inner portion of the fixed frame (91), a gear (96) positioned on one side of the fixed sleeve (93) is movably sleeved on the outer side of the fixed shaft (95), a fixed rod (97) is fixedly connected to the top of the gear (96), and a limiting sleeve (98) provided, the top end of the fixing rod (97) is sleeved with a spring (99) located on the inner side of the limiting sleeve (98), the fixing rod (97) extends out of the top end of the spring (99) to be clamped with a first buckle located on the inner side of the limiting sleeve (98), and the bottom of the first buckle is in transmission connection with the top of the limiting sleeve (98) through the spring (99) sleeved on the fixing rod (97).

5. A low voltage dry cylindrical capacitor as claimed in claim 4 wherein: one side of the fixed sleeve (93) is provided with a spur rack which is meshed with the gear (96), and the outer side of the fixed shaft (95) is clamped with second buckles positioned on two sides of the gear (96).

6. A low voltage dry cylindrical capacitor as claimed in claim 4 wherein: and a limiting groove matched with the outer diameter of the limiting sleeve (98) is arranged in the fixing frame (91).

Technical Field

The invention relates to the technical field of capacitors, in particular to a low-voltage dry-type cylindrical capacitor.

Background

The heat dissipation of current partial condenser for accelerating the core can set up the louvre in the outside of condenser, but the louvre on the condenser is limited with external area of contact, and the core radiating effect that leads to the condenser inside is relatively poor, and the terminal on the condenser adopts the nut fixed connection line moreover, and the connecting wire needs the use tool just can install and dismantle, and is more troublesome.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a low-voltage dry cylindrical capacitor, which solves the problems in the prior art.

The invention provides the following technical scheme: the utility model provides a cylindrical condenser of low pressure dry-type, includes casing, fixed mounting at the inside core of casing and the upper cover of fixed connection at the casing top, the fixed cover in inside of casing has connect the cooling tube that is located the core outside, the top of cooling tube cup joints with the inside activity of upper cover, the top of upper cover is provided with the wire holder that is located the cooling tube inboard, the inside of wire holder is provided with the terminal, the top of terminal is from last to overlapping in proper order under and is equipped with buffer pad and gasket, the top fixedly connected with of wire holder is located the hold-down mechanism in the terminal outside.

Preferably, the interior of the case is filled with heat-dissipating silicone grease located outside the upper cover and the heat-dissipating pipe.

Preferably, the number of the radiating pipes is twelve, the twelve radiating pipes are annularly and equidistantly distributed on the outer side of the core, and the outer sides of the radiating pipes are provided with the heat conducting fins.

Preferably, the pressing mechanism comprises a fixing frame fixedly connected to the wire holder, a fixed plate is fixedly connected to the inner side of the fixing frame, a fixing sleeve is movably sleeved between the fixing frame and the fixed plate, a pressing rod is sleeved on the inner thread of the fixing sleeve, a limiting hole matched with the top end of the terminal post is formed in the bottom end of the pressing rod, a handle is fixedly sleeved on the top end of the pressing rod extending out of the fixing sleeve, a pressing rod located on one side of the fixing sleeve is fixedly sleeved inside the fixing frame, a gear located on one side of the fixing sleeve is movably sleeved on the outer side of the fixing shaft, a fixed rod is fixedly connected to the top of the gear, a limiting sleeve with a limiting boss at the bottom end is movably sleeved on the outer side of the fixed rod, a spring located on the inner side of the limiting sleeve is sleeved on the top end of, and the bottom of the first buckle is in transmission connection with the top of the limiting sleeve through a spring sleeved on the fixing rod.

Preferably, one side of the fixed sleeve is provided with a spur rack meshed with the gear, and the outer side of the fixed shaft is clamped with second buckles positioned on two sides of the gear.

Preferably, the fixing frame is internally provided with a limiting groove matched with the outer diameter of the limiting sleeve.

The invention has the following beneficial effects:

1. this cylindrical condenser of low pressure dry-type can increase the area of contact of cooling tube and condenser inner space through set up the conducting strip in the outside of cooling tube, gives the cooling tube with the heat that the core produced in time through the heat dissipation silicone grease transmission, dispels the heat through the heat exchange of cooling tube and outside air, improves the heat dispersion of condenser.

2. This cylindrical condenser of low pressure dry-type, use through the cooperation of gear, depression bar and fixed axle for the condenser can compress tightly fixedly through rotating the connecting wire of gear pair suit on the terminal, makes things convenient for the installation and the dismantlement of connecting wire, uses through the cooperation of spring and second buckle simultaneously, makes the stop collar card go into behind the spacing groove, and the effort that the stop collar can the spring is blocked in the inside of spacing groove always, prevents that the dead lever from producing the rotation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the heat pipe of the present invention;

FIG. 3 is a schematic view of the hold-down mechanism of the present invention;

fig. 4 is a side schematic view of the hold-down mechanism of the present invention.

In the figure: 1. a housing; 2. a core; 3. an upper cover; 4. a radiating pipe; 5. a wire holder; 6. a binding post; 7. a cushion pad; 8. a gasket; 9. a hold-down mechanism; 91. a fixed mount; 92. a fixing plate; 93. fixing a sleeve; 94. a pressure lever; 95. a fixed shaft; 96. a gear; 97. fixing the rod; 98. a limiting sleeve; 99. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The drawings in the embodiments of the invention: the different types of cross-sectional lines in the figures are not labeled according to the national standards, do not require the material of the components, and distinguish the cross-sectional views of the components in the figures.

Please refer to fig. 1-4, a low voltage dry cylindrical capacitor, comprising a housing 1, a core 2 fixedly installed inside the housing 1 and an upper cover 3 fixedly connected to the top of the housing 1, a heat dissipation tube 4 located outside the core 2 is fixedly sleeved inside the housing 1, the top end of the heat dissipation tube 4 is movably sleeved inside the upper cover 3, a wire holder 5 located inside the heat dissipation tube 4 is arranged at the top of the upper cover 3, a wiring terminal 6 is arranged inside the wire holder 5, a buffer gasket 7 and a gasket 8 are sequentially sleeved on the top end of the wiring terminal 6 from top to bottom, and a compressing mechanism 9 located outside the wiring terminal 6 is fixedly connected to the top of the wire holder 5.

Wherein, the inside packing of casing 1 has the heat dissipation silicone grease that is located the upper cover 3 and the cooling tube 4 outside, utilizes the heat dissipation silicone grease can be with the heat in time transmission cooling tube 4 that core 2 produced, dispels the heat to core 2.

Wherein, the quantity of cooling tube 4 is twelve, and twelve cooling tube 4 annular equidistance distribute in the outside of core 2, and the outside of cooling tube 4 is provided with the conducting strip.

Wherein, the hold-down mechanism 9 includes a fixing frame 91 fixedly connected to the wire holder 5, a fixing plate 92 is fixedly connected to the inner side of the fixing frame 91, a fixing sleeve 93 is movably sleeved between the fixing frame 91 and the fixing plate 92, a pressing rod 94 is sleeved on the internal thread of the fixing sleeve 93, a limiting hole matched with the top end of the terminal 6 is arranged at the bottom end of the pressing rod 94, a handle is fixedly sleeved at the top end of the pressing rod 94 extending out of the fixing sleeve 93, a pressing rod 94 positioned at one side of the fixing sleeve 93 is fixedly sleeved inside the fixing frame 91, a gear 96 positioned at one side of the fixing sleeve 93 is movably sleeved outside the fixing shaft 95, a fixing rod 97 is fixedly connected to the top end of the gear 96, a limiting sleeve 98 with a limiting boss at the bottom end is movably sleeved outside the fixing rod 97, a spring 99 positioned inside the limiting sleeve 98 is sleeved at the top end, and the bottom of first buckle is connected with the top transmission of stop collar 98 through the spring 99 of suit on dead lever 97, uses through the cooperation of fixed cover 93 and depression bar 94 for the condenser can move and rotate the fixed cover 93 and adjust the interval between fixed cover 93 and the terminal 6, conveniently compresses tightly fixedly to the connecting wire, prevents simultaneously that stop collar 98 from breaking away from the inside of spacing groove.

Wherein, one side of fixed cover 93 is provided with the spur rack with gear 96 intermeshing, and the outside joint of fixed axle 95 has the second buckle that is located gear 96 both sides, utilizes the buckle to make things convenient for gear 96's installation and dismantlement when can carrying out spacingly to gear 96.

Wherein, the inside of mount 91 is provided with the spacing groove with the external diameter looks adaptation of stop collar 98, utilizes the spacing groove to carry on spacingly to gear 96 and fixed cover 93 when can carrying on spacingly to stop collar 98 for can not produce after depression bar 94 compresses tightly the connecting wire not hard up, depression bar 94 can play the fixed action to the connecting wire.

When the connecting wire is installed, the wire sleeve of the connecting wire is sleeved on the top end of the binding post 6, the gasket 8 and the buffer gasket 7 are sequentially sleeved on the binding post 6 again, the fixing rod 97 and the gear 96 are rotated by pulling the limiting sleeve 98, the spring 99 is in a compression state at the moment, the fixing sleeve 93 and the pressing rod 94 move together, when the limiting hole at the bottom end of the pressing rod 94 is sleeved on the top end of the binding post 6, the wire sleeve of the connecting wire is pressed and fixed by pressing the buffer gasket 7 and the gasket 8 downwards, the fixing rod 97 is clamped into the limiting groove on the fixing frame 91 at the moment, the bottom end of the limiting sleeve 98 is clamped into the limiting groove again, the limiting sleeve 98 is loosened, the limiting sleeve 98 is pressed against the limiting sleeve 98 under the elastic acting force of the spring 99, and.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.