CN209747398U - heat dissipation frame and heat dissipation solid-sealed polar pole - Google Patents

Abstract

The utility model relates to a heat dissipation frame for gu seal utmost point post body, gu seal utmost point post body including being located upper portion and transversely extending's the last seat of being qualified for the next round of competitions that has insulating casing, the heat dissipation frame includes: the main body part is vertically provided with a plurality of heat dissipation holes, and the bottom of the main body part is connected with the upper wire outlet seat; and the insulating heat dissipation cover extends downwards from the bottom end of the main body part, the side end of the insulating heat dissipation cover is an opening, the insulating heat dissipation cover accommodates the upper wire outlet seat, and the direction of the side end opening of the insulating heat dissipation cover is the same as the extending direction of the upper wire outlet seat. The utility model discloses a heat dissipation frame is with low costs and the reliability is high. Further, the utility model discloses still relate to a heat dissipation seals utmost point post admittedly.

Description

heat dissipation frame and heat dissipation solid-sealed polar pole

Technical Field

The utility model relates to a power equipment technical field especially relates to heat dissipation frame and heat dissipation solid seal utmost point post.

Background

In the field of medium and high voltage electric appliances, a vacuum circuit breaker is an electric appliance device for controlling and protecting a protection power system, and a solid-sealed pole is a core component of the vacuum circuit breaker. The solid-sealed pole is formed by simultaneously embedding parts such as a vacuum arc-extinguishing chamber and related electric conduction parts of a circuit breaker into easily-cured epoxy resin and then assembling the pole and an operating mechanism into the circuit breaker.

However, the existing embedded pole is generally limited by the phase distance and the product insulation, a fan is mounted on a circuit breaker or a switch cabinet, and a forced air cooling mode is adopted to solve the problem of temperature rise of the high-current circuit breaker.

Accordingly, there is a need in the art for a low cost and highly reliable heat sink.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can solve the heat dissipation frame of above-mentioned part problem at least.

The utility model discloses still aim at providing the heat dissipation of using above-mentioned modified heat dissipation frame and seal utmost point post admittedly.

According to the utility model discloses an aspect provides a heat dissipation frame for gu seal utmost point post body, gu seal utmost point post body including being located upper portion and the upper wire outlet seat that has insulating casing of horizontal extension, the heat dissipation frame includes: the main body part is vertically provided with a plurality of heat dissipation holes, and the bottom of the main body part is connected with the upper wire outlet seat; and the insulating heat dissipation cover extends downwards from the bottom end of the main body part, the side end of the insulating heat dissipation cover is an opening, the insulating heat dissipation cover accommodates the upper wire outlet seat, and the direction of the side end opening of the insulating heat dissipation cover is the same as the extending direction of the upper wire outlet seat.

Compare with current heat dissipation frame, the utility model discloses a heat dissipation frame is applied to and seals utmost point post body admittedly, and through the louvre of vertical setting, the heat that adopts natural cooling's mode to come to seal utmost point post body to produce admittedly dispels the heat, and simple structure, cost are lower and the reliability is high. In addition, the insulating heat dissipation cover accommodates the upper wire outlet seat, so that the heat dissipation effect is ensured, and meanwhile, the insulating effect is increased.

Preferably, a gap exists between the insulating heat dissipation cover and the upper wire outlet seat. Therefore, the gap serves as a heat dissipation channel between the insulating heat dissipation cover and the upper wire outlet seat, and the heat dissipation effect is further improved.

Preferably, a connecting part extends downwards from the middle part of the bottom end of the main body part, and the main body part and the connecting part are vertically provided with coaxial mounting holes; the upper part of the upper wire outlet seat is provided with a connecting groove for connecting the connecting part and a threaded hole coaxial with the mounting hole; the heat dissipation frame further comprises: and the screw rod penetrates through the mounting holes of the main body part and the connecting part and is matched and connected with the threaded hole of the upper wire outlet seat. Therefore, the heat dissipation frame and the upper wire outlet seat are fixed, and the creepage distance is ensured through the mounting hole.

Preferably, the heat dissipation frame further comprises: and the insulating plug is plugged in an insulating plug groove which is coaxial with the main body part and the mounting hole. Therefore, the top end of the screw rod is exposed to the upper side of the mounting hole, and the insulating effect of the heat dissipation frame is further improved by arranging the insulating plug.

Preferably, a sealing ring is compressed between the bottom end of the main body part and the upper wire outlet seat. Therefore, the sealing performance between the main body part and the upper wire outlet seat is ensured.

Preferably, the outer side surface of the main body part is vertically provided with a heat dissipation rib. Therefore, the heat dissipation area of the main body part is enlarged, and the heat dissipation effect of the heat dissipation frame is further improved.

According to the utility model discloses an another aspect provides a heat dissipation that includes aforementioned heat dissipation frame and aforementioned solid utmost point post body seals utmost point post admittedly, seals utmost point post body still includes admittedly: the vacuum arc-extinguishing chamber is provided with a static end which is positioned at the top end and connected with the bottom end of the upper wire outlet seat and a movable end which is positioned at the bottom end; the upper part of the soft connection conducting block is provided with an accommodating groove for accommodating the movable end of the vacuum arc extinguish chamber, and a gap is formed between the soft connection conducting block and the vacuum arc extinguish chamber; and the movable conducting rod is arranged on the flexible coupling conducting block in a penetrating manner and is connected with the vacuum arc-extinguishing chamber.

Compare with current heat dissipation solid utmost point post of sealing, at first, the utility model discloses a heat dissipation solid utmost point post of sealing adopts the heat dissipation frame to cool off, rather than adopting the fan to utilize forced cooling's mode to cool off, greatly the cost is reduced to the temperature rise problem that leads to the fact because the trouble of fan operation in-process has been avoided exceeding standard. In addition, the movable end of the vacuum arc-extinguishing chamber is accommodated in the accommodating groove of the soft coupling conducting block, so that the installation space is greatly saved.

preferably, the flexible coupling conductive block includes: the first conductive block extends upwards to form a first boss, and the first conductive block and the first boss are provided with coaxial first through holes; the second conductive block transversely extends to form a second lug boss with a second through hole, and the second lug boss is sleeved on the first lug boss through the second through hole; a third conductive block fixed on a bottom surface of the second conductive block; two ends of the first flexible coupling are respectively fixed on the side end of the first conductive block and the side surface of the second bulge; and the two ends of the second soft joint are respectively fixed on the bottom surface of the third conductive block and the bottom surface of the first conductive block and are provided with third through holes coaxial with the first through holes. Therefore, a secondary conductive loop is formed between the first conductive block and the second conductive block through the first soft joint and the second soft joint, and the conductive performance is improved.

Preferably, the depth of the second through hole is greater than the height of the first boss; the movable end of the vacuum arc-extinguishing chamber is accommodated in the accommodating groove formed by matching the second protruding part and the first protruding part; and the movable conducting rod penetrates through the third through hole and the first through hole and is connected with the movable end of the vacuum arc-extinguishing chamber.

Preferably, the embedded pole body further comprises: and the lower wire outlet seat is fixed on the side surface of the second conductive block opposite to the second bulge part.

Additional features and advantages of the invention will be set forth in part in the description which follows, and in part will be apparent to those having ordinary skill in the art upon examination of the following, or may be learned from the practice of the invention.

Drawings

Embodiments of the present invention are described in detail below with reference to the attached drawing figures, wherein:

Fig. 1 is a perspective view of a heat sink according to an embodiment of the present invention;

fig. 2 is a schematic view of a heat dissipating embedded pole comprising the heat dissipating frame shown in fig. 1;

Fig. 3 is a cross-sectional view of the heat dissipating embedded pole shown in fig. 2;

fig. 4 is a schematic perspective view of the heat dissipating embedded pole shown in fig. 2 with a portion of the insulating housing removed;

FIG. 5 is a schematic perspective view of the insulator plug of FIG. 3;

FIG. 6 is an enlarged schematic view of portion A of FIG. 3;

FIG. 7 is a perspective view of the flexible joint conductive block of FIG. 4;

fig. 8 is an exploded view of the flexible bond conductive block of fig. 4.

Description of reference numerals:

1-Heat dissipation frame

2-solid sealed pole body

21-upper outlet base

211-insulating housing

11-body part

111-heat dissipation hole

12-insulating heat dissipation cover

13-clearance

112-connecting part

113-mounting hole

212-connecting groove

213-threaded hole

14-screw

15-insulating plug

151-insulating plug slot

16-sealing ring

114-Heat dissipating Ribs

22-vacuum arc-extinguishing chamber

221-static end

222-moving end

23-flexible connection conductive block

231-holding tank

24-moving conducting rod

232-first conductive Block

2321 first projection

2322 first Via

233-second conductive block

2331-second projection

2332-second through hole

234-third conductive Block

235-first soft coupling

236-second Soft coupling

2361 third through hole

2351-threaded hole of first soft coupling

2333-threaded hole in the side of the second boss

237-screw connecting first soft coupling and second boss

2341-screw hole of third conductive block

2362 threaded hole of second soft joint

238-screw for connecting second flexible coupling and third conductive block

25-lower outlet base

251-screw hole of lower wire outlet base

252-Wiring hole

Detailed Description

Referring now to the drawings, illustrative aspects of the disclosed apparatus will be described in detail. Although the drawings are provided to present some embodiments of the invention, the drawings are not necessarily to scale of particular embodiments, and certain features may be exaggerated, removed, or partially sectioned to better illustrate and explain the disclosure of the present invention. The position of some components in the drawings can be adjusted according to actual requirements on the premise of not influencing the technical effect. The appearances of the phrase "in the drawings" or similar language in the specification are not necessarily referring to all drawings or examples.

certain directional terms used hereinafter to describe the drawings, such as "inner", "outer", "above", "below", and other directional terms, will be understood to have their normal meaning and refer to those directions as they normally relate to when viewing the drawings. Unless otherwise indicated, the directional terms described herein are generally in accordance with conventional directions as understood by those skilled in the art.

The terms "first," "second," and the like as used herein do not denote any order, quantity, or importance, but rather are used to distinguish one element from another.

The terms "joined," "connected," and the like as used herein, include both two components that are indirectly connected together through an intermediate layer (e.g., an adhesive, a solder, etc.) or an intermediate member (e.g., a connector, a transition member, etc.), and two components that are directly connected together without any intermediate layer (e.g., an adhesive, a solder, etc.) or intermediate member (e.g., a connector, a transition member, etc.).

Referring to fig. 1 and 2, the heat dissipation frame 1 in the present embodiment is used for the embedded pole body 2 of each voltage class. In the practical application process, the embedded pole body 2 can be used for a 40.5kV (unit: kilovolt) circuit breaker, when the current reaches 3150A (unit: ampere), the limitation of the interphase distance and the product insulation is avoided, and the heat dissipation frame 1 is directly installed on the embedded pole body 2 to solve the problem of temperature rise of the circuit breaker.

With further reference to fig. 2, 3 and 4, the embedded pole body 2 includes an upper wire outlet seat 21 located at the upper part and extending transversely with an insulating housing 211, and the heat dissipation frame 1 includes: a main body 11, which is vertically provided with a plurality of heat dissipation holes 111, and a bottom of the main body 11 is connected with an upper outlet seat 21. And the insulating heat dissipation cover 12 extends downwards from the bottom end of the main body part 11, and has an opening at a side end, the insulating heat dissipation cover 12 accommodates the upper wire outlet seat 21, and the opening at the side end of the insulating heat dissipation cover 12 faces the same extending direction as the upper wire outlet seat 21.

The main body 11 is a cylindrical structure having the same shape as the embedded pole body. The bottom of the main body part 11 is fixedly connected with the upper wire outlet seat 21 so as to fix the heat dissipation frame 1 on the embedded pole body 2. The heat dissipation holes 111 are circumferentially spaced apart from each other on the top surface of the main body 11 and extend downward, and the shape, number and size of the heat dissipation holes 111 can be selected according to actual needs. In this embodiment, as shown in fig. 4, the heat dissipation holes 111 are trapezoidal holes, and the number of the heat dissipation holes is 6. The shape of the insulating heat dissipation cover 12 matches with the shape of the upper wire outlet seat 21, accommodates the upper wire outlet seat 21, and adds a layer of insulating shell to the upper wire outlet seat 21 to ensure the insulating effect of the heat dissipation frame 1. And the opening of the insulating heat dissipation cover 12 is the same as the extending direction of the upper wire outlet seat 21, so that the upper wire outlet seat 21 can be conveniently connected. In the practical application process, the insulating heat dissipation cover 12 is molded by epoxy casting.

Further, as shown in fig. 3, a gap 13 exists between the insulating heat dissipation cover 12 and the upper wire outlet base 21. The gap 13 is used as a heat dissipation channel to communicate with the bottom of the heat dissipation hole 111, thereby further improving the heat dissipation effect of the heat dissipation frame 1.

Further, as shown in fig. 1 and 3, a connecting portion 112 extends downward from the middle of the bottom end of the main body portion 11, and the main body portion 11 and the connecting portion 112 vertically have coaxial mounting holes 113. The upper portion of the upper wire outlet base 21 is provided with a coupling groove 212 for coupling the coupling portion 112 and a screw hole 213 coaxial with the mounting hole 113. The heat dissipation frame 1 further includes: and a screw 14 which passes through the main body 11 and the mounting hole 113 of the connecting part 112 and is matched and connected with the threaded hole 213 of the upper wire outlet seat 21.

The number of the mounting holes 113 can be selected according to actual needs, and in this embodiment, the number of the mounting holes 113 is 2, and the mounting holes are distributed in the middle of the main body portion 11 and the connecting portion 112. The upper insulating case 211 of the upper outlet block 21 has a through hole as a connection groove 212 of the upper outlet block 21. The connecting portion 112 is accommodated in the connecting groove 212, the bottom end of the connecting portion 112 contacts with the bottom end of the connecting groove 212, and a gap exists between the side surface of the connecting portion 112 and the side surface of the connecting groove 212. The lower part of the screw 14 is provided with a thread matched with the threaded hole 213 of the upper wire outlet base 21 and is screwed with the upper wire outlet base 21. In practical application, the number of the screws 14 is not larger than the number of the mounting holes 113, and the shape and size of the screws 14 are matched with those of the mounting holes 113.

Further, as shown in fig. 3 and 5, the heat dissipation frame 1 further includes: and an insulating plug 15 which is plugged in an insulating plug groove 151 coaxial with the mounting hole 113 in the main body portion 11. The lower portion of the screw 14 is screwed with the upper wire outlet base 21, the top end of the screw 14 is located on the top end of the mounting hole 113, i.e., the bottom end of the insulation plug groove 151, and is exposed to the air, and the material of the screw 14 is metal, so in order to improve the insulation effect of the heat dissipation frame 1, the top end of the screw 14 is sealed in the insulation plug groove 151 by the insulation plug 15 to isolate the air. In the practical application process, the depth of the insulation plug groove 151 can ensure that the creepage distance is selected according to the practical requirement.

further, as shown in fig. 3 and 6, a seal ring 16 is compressed between the bottom end of the main body 11 and the upper outlet base 21. The sealing ring 16 is sleeved on the connecting part 112 and is pressed between the side surface of the connecting part 112 and the side surface of the connecting groove 212, and the upper end of the sealing ring extends outwards transversely and is pressed between the bottom end of the main body part 11 and the insulating shell 211 positioned at the upper part of the upper wire outlet seat 21, so that the sealing performance between the main body part 11 and the upper wire outlet seat 21 is enhanced.

Further, as shown in fig. 1, the heat dissipation ribs 114 are vertically disposed on the outer surface of the main body 11, so as to increase the heat dissipation area and further improve the heat dissipation effect of the heat dissipation frame 1.

Referring to fig. 2 to 4, a heat dissipation solid-sealed polar pole including the heat dissipation frame 1 and the solid-sealed polar pole body 2, the solid-sealed polar pole body 2 further includes: and the vacuum arc-extinguishing chamber 22 is provided with a static end 221 positioned at the top end and connected with the bottom end of the upper wire outlet seat 21 and a movable end 222 positioned at the bottom end. The soft coupling conductive block 23 has a receiving groove 231 at an upper portion thereof for receiving a moving end of the vacuum interrupter 22, and a gap is formed between the soft coupling conductive block 23 and the vacuum interrupter 22. And the movable conducting rod 24 is arranged on the flexible coupling conducting block 23 in a penetrating way and is connected with the vacuum arc extinguish chamber 22.

The movable conducting rod 24 is controlled by an external control mechanism to pass through the flexible coupling conducting block 23 to reciprocate up and down, and is connected with or separated from the vacuum arc-extinguishing chamber 3, so that the switching-on and switching-off of the vacuum arc-extinguishing chamber 3 are realized. The movable end 32 of the vacuum arc-extinguishing chamber 3 is placed in the receiving groove 231 of the flexible coupling conductive block 23, so that the installation space of the embedded pole body 2 and the materials required for manufacturing the flexible coupling conductive block 23 are greatly saved. In addition, the flexible connection conductive block 23 has good flexibility, and the service life of the heat dissipation embedded pole in the embodiment is prolonged.

Further, as shown in fig. 7 and 8, the flexible coupling conductive block 23 includes: the first conductive bump 232 extends upward to form a first protruding portion 2321, and the first conductive bump 232 and the first protruding portion 2321 have a coaxial first through hole 2322. And a second conductive bump 233 laterally extending with a second protrusion 2331 having a second through hole 2332, wherein the second protrusion 2331 is sleeved on the first protrusion 2321 through the second through hole 2332. And a third conductive bump 234 fixed to a bottom surface of the second conductive bump 233. The first flexible link 235 has both ends fixed to the side end of the first conductive bump 232 and the side surface of the second protrusion 2331, respectively. And a second soft link 236 having both ends fixed to the bottom surfaces of the third conductive bump 234 and the first conductive bump 232, respectively, and having a third through hole 2361 coaxial with the first through hole 2322.

The first conductive block 232 and the first flexible joint 235 are integrally welded, a threaded hole 2351 is formed at one end of the first flexible joint 235, which is connected with the side surface of the second protruding portion 2331, a threaded hole 2333 is also formed at the side surface of the second protruding portion 2331, the screw 237 passes through the threaded hole 2351 of the first flexible joint 235 and the threaded hole 2333 of the second protruding portion 2331 to connect the first flexible joint 235 and the second protruding portion 2331, and the first flexible joint 235 enables the first conductive block 232 and the second protruding portion 2331 to form an electrical connection. The bottom end of the second conductive block 233 has a threaded hole (not shown), the third conductive block 234 has a threaded hole 2341 therethrough, the end of the second soft joint 236 connected to the third conductive block 234 has a threaded hole 2362, the screw 238 passes through the threaded hole 2362 of the second soft joint 236, the threaded hole 2341 of the third conductive block 234 and is screwed with the second conductive block 233, thereby fixing the second soft joint 236, the third conductive block 234 and the second conductive block 233, the diameter of the portion of the movable conductive rod 24 located outside the third through hole 2361 is enlarged, the other end of the second soft joint 236 is clamped between the movable conductive rod 24 and the first conductive block 232, and the second soft joint 236 makes an electrical connection between the third conductive block 234 and the first conductive block 232. In practice, the first soft joint 235 and the second soft joint 236 may be metal materials that can be bent many times.

Further, as shown in fig. 3 and 7, the depth of the second through hole 2332 is greater than the height of the first protrusion 2321. The movable end 222 of the vacuum interrupter 22 is received in the receiving slot 231 formed by the second protrusion 2331 and the first protrusion 2321. The moving conductive rod 24 passes through the third through hole 2361 and the first through hole 2332 and is connected to the moving end 222 of the vacuum interrupter 22.

further, as shown in fig. 4 and 8, the embedded pole body 2 further includes: and a lower outlet base 25 fixed on a side of the second conductive block 233 opposite to the second protrusion 2231. A screw hole 251 is formed in a side surface of the lower wire outlet base 25, a screw hole (not shown) is formed in a side surface of the second conductive block 233 opposite to the second protruding portion 2331, and a screw (not shown) is inserted through the screw hole 251 of the lower wire outlet base 25 and screwed into the screw hole (not shown) of the second conductive block 233, so that the lower wire outlet base 25 and the second conductive block 233 are fixed and electrically connected. In practical applications, the lower wire holder 25 further has a plurality of wire holes 252, and as shown in fig. 4, the number of the wire holes 252 of the lower wire holder 25 in this embodiment is 5.

It should be understood that although the description is in terms of various embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and those skilled in the art will recognize that the embodiments described herein may be combined as suitable to form other embodiments, as will be appreciated by those skilled in the art.

The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes, modifications and combinations that may be made by those skilled in the art without departing from the spirit and principles of the invention should be considered within the scope of the invention.

Claims (10)

1. the utility model provides a heat dissipation frame for gu seal utmost point post body, gu seal utmost point post body including being located upper portion and the last seat of being qualified for the next round of competitions that has an insulating casing of horizontal extension, its characterized in that, heat dissipation frame includes:

The main body part is vertically provided with a plurality of heat dissipation holes, and the bottom of the main body part is connected with the upper wire outlet seat;

And the insulating heat dissipation cover extends downwards from the bottom end of the main body part, the side end of the insulating heat dissipation cover is an opening, the insulating heat dissipation cover accommodates the upper wire outlet seat, and the direction of the side end opening of the insulating heat dissipation cover is the same as the extending direction of the upper wire outlet seat.

2. The heat dissipation frame of claim 1, wherein a gap exists between the insulating heat dissipation cover and the upper wire outlet base.

3. The heat sink stand of claim 2,

A connecting part extends downwards from the middle part of the bottom end of the main body part, and coaxial mounting holes are vertically formed in the main body part and the connecting part;

the upper part of the upper wire outlet seat is provided with a connecting groove for connecting the connecting part and a threaded hole coaxial with the mounting hole;

The heat dissipation frame further comprises:

And the screw rod penetrates through the mounting holes of the main body part and the connecting part and is matched and connected with the threaded hole of the upper wire outlet seat.

4. the heat sink stand of claim 3, further comprising:

And the insulating plug is plugged in an insulating plug groove which is coaxial with the main body part and the mounting hole.

5. The heat dissipating frame of claim 3, wherein a sealing ring is compressed between the main body portion and the connecting portion and the upper wire outlet base.

6. The heat dissipating frame according to claim 1, wherein the outer side surface of the main body is vertically provided with heat dissipating ribs.

7. A heat dissipating embedded pole comprising the heat dissipating frame according to any one of claims 1 to 6 and the embedded pole body, wherein the embedded pole body further comprises:

The vacuum arc-extinguishing chamber is provided with a static end which is positioned at the top end and connected with the bottom end of the upper wire outlet seat and a movable end which is positioned at the bottom end;

The upper part of the soft connection conducting block is provided with an accommodating groove for accommodating the movable end of the vacuum arc extinguish chamber, and a gap is formed between the soft connection conducting block and the vacuum arc extinguish chamber;

And the movable conducting rod is arranged on the flexible coupling conducting block in a penetrating manner and is connected with the vacuum arc-extinguishing chamber.

8. The heat dissipating embedded pole of claim 7, wherein the soft joint conductive block comprises:

The first conductive block extends upwards to form a first boss, and the first conductive block and the first boss are provided with coaxial first through holes;

The second conductive block transversely extends to form a second lug boss with a second through hole, and the second lug boss is sleeved on the first lug boss through the second through hole;

A third conductive block fixed on a bottom surface of the second conductive block;

Two ends of the first flexible coupling are respectively fixed on the side end of the first conductive block and the side surface of the second bulge;

And the two ends of the second soft joint are respectively fixed on the bottom surface of the third conductive block and the bottom surface of the first conductive block and are provided with third through holes coaxial with the first through holes.

9. The heat dissipating embedded pole of claim 8, wherein,

The depth of the second through hole is greater than the height of the first bulge;

The movable end of the vacuum arc-extinguishing chamber is accommodated in the accommodating groove formed by matching the second protruding part and the first protruding part;

And the movable conducting rod penetrates through the third through hole and the first through hole and is connected with the movable end of the vacuum arc-extinguishing chamber.

10. the heat dissipating embedded pole of claim 8, wherein the embedded pole body further comprises:

and the lower wire outlet seat is fixed on the side surface of the second conductive block opposite to the second bulge part.