CN212992215U

CN212992215U - Protection architecture of rectifier bridge for automobile alternating current power generation

Info

Publication number: CN212992215U
Application number: CN202021934976.3U
Authority: CN
Inventors: 张晓民; 张玉华
Original assignee: Jiangsu Autonic Electronic Co ltd
Current assignee: Jiangsu Autonic Electronic Co ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-04-16
Anticipated expiration: 2030-09-07

Abstract

The utility model discloses a protection architecture of rectifier bridge for automobile alternating current power generation, including pin, lower casing and last casing, the even fixedly connected with guard box of intermediate position department of the internal portion bottom of inferior valve, the equal fixedly connected with of guard box one end extends to the outside pin of casing down, and the surface sliding of pin is connected with the safety cover, the top of casing transversely is provided with the casing down, and the equal very horizontal fixedly connected with baffle-box of one end of casing and last casing down, the even fixedly connected with buffer spring of one end of baffle-box inside, and the inside equal transverse sliding connection of baffle-box of buffer spring one end has the fly leaf, and the equal transverse fixedly connected with buffer board of one end of buffer block. The utility model discloses an at inside buffer spring that sets up of baffle-box, through the elasticity that utilizes buffer spring, slow down external force and to the influence of this device, avoid external force direct and this device to take place hard collision.

Description

Protection architecture of rectifier bridge for automobile alternating current power generation

Technical Field

The utility model relates to an automobile rectifier bridge equipment technical field specifically is a protection architecture of rectifier bridge for automobile alternating current power generation.

Background

With the development of society and the rapid development of industrialization in China, automobiles can be seen everywhere in daily life, and rectifier bridges for alternating current power generation are important parts in automobile accessories, but due to the factors of the rectifier bridges, protection structures need to be additionally arranged to prolong the service life of the rectifier bridges, but the existing protection structures of rectifier bridges for alternating current power generation of automobiles have many problems or defects:

firstly, the traditional protective structure of the rectifier bridge for the alternating current power generation of the automobile has no compression-resistant structure when in use, and the device is easy to damage under the extrusion of external force;

secondly, the traditional protection structure of the rectifier bridge for the alternating current power generation of the automobile does not have a protection pin structure when in use, and when not in use, the pins are exposed outside for a long time and are easy to be damaged by factors such as dampness;

thirdly, the protection structure of the traditional rectifier bridge for the alternating current power generation of the automobile has no overvoltage protection structure during use, and when the voltage is too large, the device can be burnt.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a protection architecture of rectifier bridge for automobile alternating current power generation to solve inconvenient resistance to compression, inconvenient protection pin and the inconvenient overvoltage protection's that proposes in the above-mentioned background art problem.

In order to achieve the above object, the utility model provides a following technical scheme: a protection structure of a rectifier bridge for automobile alternating current power generation comprises pins, a lower shell and an upper shell, wherein a protection box is uniformly and fixedly connected at the middle position of the bottom end in the lower shell, and the interior of the protection box is provided with an overvoltage structure, one end of the protection box is fixedly connected with a pin extending to the exterior of the lower shell, and the surface of the pin is connected with a protective cover in a sliding way, one end of one side of the protective cover is fixedly hinged with a cover plate in a transverse direction, an upper shell is arranged above the lower shell in a transverse direction, and one end of the lower shell and one end of the upper shell are both transversely and fixedly connected with a buffer box, one end in the buffer box is uniformly and fixedly connected with a buffer spring, and the inside all horizontal sliding connection of baffle-box of buffer spring one end has the fly leaf, the equal fixedly connected with of fly leaf one end extends to the outside buffer block of baffle-box, and the equal horizontal fixedly connected with buffer board of one end of buffer block.

Preferably, overvoltage structure's inside has set gradually conducting rod, fixed case, insulating spring, collets, conducting block and inflation piece, the equal fixed connection of conducting block is in the intermediate position department on the inside top of guard box, and the intermediate position department on the inside top of conducting block all is provided with the inflation piece, the fixed case of intermediate position department fixedly connected with in the inside bottom of guard box, and the equal fixedly connected with insulating spring in the inside bottom of fixed case, the equal fixedly connected with in insulating spring one end extends to the outside collets of fixed case, and the equal fixedly connected with conducting rod in upper end of collets both sides.

Preferably, the draw-in groove has all been seted up to the both sides on the internal inside top of inferior valve, and the inferior valve lateral wall of draw-in groove one side is provided with locking bolt, go up the equal fixedly connected with in casing bottom both sides and draw-in groove matched with fixture block.

Preferably, the lower shell and the upper shell are uniformly and fixedly connected with radiating fins on one side far away from the pins, and radiating through holes with different sizes are uniformly formed in the surfaces of the radiating fins.

Preferably, one side fixedly connected with stopper of safety cover bottom, and the lower extreme of stopper one side transversely runs through there is the gag lever post, one side on gag lever post surface all twines there is spacing spring, and inside upper end and the lower extreme that is close to stopper one side of pin all seted up with gag lever post matched with spacing hole.

Preferably, a sealing cover is fixedly connected to the periphery of the top end inside the upper shell, and the height of the sealing cover is equal to the distance between the lower shell and the inside of the upper shell.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the buffer boxes are arranged at one ends of the lower shell and the upper shell, and the movable plate and the buffer spring are arranged in the buffer boxes, so that when the device is subjected to external force, the buffer plates can move towards the directions of the lower shell and the upper shell, the movable plates slide to compress the buffer spring, the influence of the external force on the device is relieved by utilizing the elasticity of the buffer spring, the external force is prevented from directly generating rigid collision with the device, and the normal operation of the device is ensured;

(2) the protective covers are arranged on the surfaces of the pins in a sliding mode, when the device is not used, the top ends of the pins are protected by the cover plates and the protective covers, the pins are prevented from being damaged by water vapor or other factors, and therefore maintenance cost is increased;

(3) through set up excessive pressure structure in the protective housing inside, when voltage was too high, the conducting block produced great heat, and then made the inflation piece thermal expansion, drive the insulating block and remove to conducting rod and conducting block separation, realize the disconnection of circuit, avoid this device to burn out, and then prolong the life of this device, reduce economic loss, and after voltage stabilization, utilize insulating spring's elasticity for conducting rod and conducting block switch-on realize the circuit switch-on, this device normally works.

Drawings

FIG. 1 is a schematic view of a sectional structure of the utility model;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is a front view of the protective cover of the present invention;

fig. 5 is a front view of the overvoltage structure according to the present invention.

In the figure: 1. a cover plate; 2. a protection box; 3. a pin; 4. an overpressure structure; 401. a conductive rod; 402. a fixed box; 403. an insulating spring; 404. an insulating block; 405. a conductive block; 406. an expansion member; 5. a lower housing; 6. a card slot; 7. a heat dissipating fin; 8. a protective cover; 9. a buffer plate; 10. a buffer tank; 11. a buffer block; 12. a movable plate; 13. a buffer spring; 14. a sealing cover; 15. a clamping block; 16. an upper housing; 17. a limiting block; 18. a limiting spring; 19. a limiting hole; 20. a limiting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a protection structure of a rectifier bridge for automobile alternating-current power generation comprises pins 3, a lower shell 5 and an upper shell 16, wherein a protection box 2 is uniformly and fixedly connected to the middle position of the bottom end in the lower shell 5, and overvoltage structures 4 are arranged in the protection box 2;

the overvoltage structure 4 is internally and sequentially provided with a conductive rod 401, a fixed box 402, an insulating spring 403, an insulating block 404, a conductive block 405 and an expansion piece 406, the conductive blocks 405 are all fixedly connected to the middle position of the top end in the protection box 2, the expansion piece 406 is arranged at the middle position of the top end in the conductive block 405, the fixed box 402 is fixedly connected to the middle position of the bottom end in the protection box 2, the insulating spring 403 is fixedly connected to the bottom end in the fixed box 402, one end of the insulating spring 403 is fixedly connected with the insulating block 404 extending to the outside of the fixed box 402, and the conductive rods 401 are fixedly connected to the upper ends of the two sides of the insulating block 404;

specifically, as shown in fig. 1 and 5, when the structure is used, firstly, when the voltage is too high, the conductive block 405 generates a large amount of heat, so that the expansion piece 406 is heated and expanded to drive the insulating block 404 to move to the conductive rod 401 to separate from the conductive block 405, thereby realizing the disconnection of the circuit, and after the voltage is stabilized, the conductive rod 401 is connected with the conductive block 405 by using the elastic force of the insulating spring 403, thereby realizing the connection of the circuit, and the device normally works;

one end of each protection box 2 is fixedly connected with a pin 3 extending to the outside of the lower shell 5, and the surface of each pin 3 is connected with a protection cover 8 in a sliding manner;

a limiting block 17 is fixedly connected to one side of the bottom end of the protective cover 8, a limiting rod 20 transversely penetrates through the lower end of one side of the limiting block 17, limiting springs 18 are wound on one sides of the surfaces of the limiting rods 20, and limiting holes 19 matched with the limiting rods 20 are formed in the upper end and the lower end of one side, close to the limiting block 17, of the pin 3;

specifically, as shown in fig. 1, 3 and 4, when the structure is used, firstly, when the device is not used, the top ends of the pins 3 are protected by using the cover plate 1 and the protective cover 8, and when the device is needed to be used, the cover plate 1 can be opened first, then the limiting rod 20 is pulled, so that the limiting rod 20 moves to be completely separated from the limiting hole 19, and then the protective cover 8 slides downwards for a certain distance, so that the device can be used;

one end of one side of the protective cover 8 is transversely fixedly hinged with the cover plate 1, and an upper shell 16 is transversely arranged above the lower shell 5;

clamping grooves 6 are formed in the two sides of the top end of the inner portion of the lower shell 5, locking bolts are arranged on the side wall of the lower shell 5 on one side of each clamping groove 6, and clamping blocks 15 matched with the clamping grooves 6 are fixedly connected to the two sides of the bottom end of the upper shell 16;

specifically, as shown in fig. 1, 2 and 3, when the structure is used, firstly, the lower shell 5 and the upper shell 16 are clamped with each other by the cooperation of the clamping block 15 and the clamping groove 6, so that the lower shell 5 and the upper shell 16 are more convenient to mount and dismount, and internal devices of the device are convenient to overhaul;

the lower shell 5 and the upper shell 16 are uniformly and fixedly connected with radiating fins 7 at one side far away from the pins 3, and radiating through holes with different sizes are uniformly formed in the surfaces of the radiating fins 7;

specifically, as shown in fig. 1 and 2, when the structure is used, firstly, the heat dissipation area of the device is increased by arranging the heat dissipation fins 7, so that heat inside the device can be dissipated quickly, and the normal operation of the device is ensured;

the periphery of the top end in the upper shell 16 is fixedly connected with a sealing cover 14, and the height of the sealing cover 14 is equal to the distance between the lower shell 5 and the interior of the upper shell 16;

specifically, as shown in fig. 2, when the structure is used, firstly, the sealing cover 14 is utilized to improve the sealing performance between the lower shell 5 and the upper shell 16, so as to prevent impurities such as water vapor from entering the device to corrode devices;

and the equal very horizontal fixedly connected with baffle-box 10 of one end of inferior valve casing 5 and last casing 16, the even fixedly connected with buffer spring 13 of the inside one end of baffle-box 10, and the equal horizontal sliding connection has fly leaf 12 in baffle-box 10 of buffer spring 13 one end, the equal fixedly connected with of fly leaf 12 one end extends to the outside buffer block 11 of baffle-box 10, and the equal horizontal fixedly connected with buffer board 9 of one end of buffer block 11.

The working principle is as follows: when the device is used, the lower shell 5 and the upper shell 16 are clamped with each other by matching the clamping block 15 and the clamping groove 6, the locking bolt is screwed down, and meanwhile, the sealing cover 14 is utilized to improve the sealing property between the lower shell 5 and the upper shell 16, so that the phenomenon that impurities such as water vapor enter the device to cause corrosion of devices is avoided;

then, the cover plate 1 is opened, the limiting rod 20 is pulled, the limiting rod 20 moves to stretch the limiting spring 18 to be completely separated from the limiting hole 19, then the protective cover 8 slides downwards for a certain distance, the limiting rod 20 moves to be clamped into the limiting hole 19 under the elastic force action of the limiting spring 18, the protective cover 8 is fixed, the installation of the device is facilitated, and when the device is not used, the top ends of the pins 3 are protected by the cover plate 1 and the protective cover 8, so that the pins are prevented from being damaged by water vapor or other factors;

when the voltage is too high in the using process, the conductive block 405 generates large heat, so that the expansion piece 406 is heated and expanded to drive the insulating block 404 to move to compress the insulating spring 403 until the conductive rod 401 is separated from the conductive block 405, the circuit is disconnected, the device is prevented from being burnt, after the voltage is stabilized, the expansion piece 406 returns to the original position, the elastic force of the insulating spring 403 is utilized to drive the insulating block 404 to move, the conductive rod 401 is connected with the conductive block 405, the circuit is connected, and the device works normally;

when this device receives external force simultaneously, buffer board 9 can move to lower casing 5 and the 16 directions of last casing, and then drive buffer block 11 and remove for fly leaf 12 slides in buffer box 10 inside and compresses buffer spring 13, through buffer spring 13's elastic deformation, slows down external force to this device's influence, guarantees the normal operating of device.

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.

Claims

1. The utility model provides a protection architecture of rectifier bridge for automobile alternating current power generation, includes pin (3), lower casing (5) and last casing (16), its characterized in that: the middle position of the bottom end in the lower shell (5) is uniformly and fixedly connected with a protective box (2), the interior of the protective box (2) is provided with an overpressure structure (4), one end of the protective box (2) is fixedly connected with a pin (3) extending to the exterior of the lower shell (5), the surface of the pin (3) is connected with a protective cover (8) in a sliding manner, one end of one side of the protective cover (8) is transversely and fixedly hinged with a cover plate (1), an upper shell (16) is transversely arranged above the lower shell (5), one ends of the lower shell (5) and the upper shell (16) are transversely and fixedly connected with a buffer box (10), one end in the buffer box (10) is uniformly and fixedly connected with a buffer spring (13), the interior of the buffer box (10) at one end of the buffer spring (13) is transversely and slidably connected with a movable plate (12), one end of the movable plate (12) is fixedly connected with a buffer block (11) extending to the exterior of the, and one end of the buffer block (11) is transversely and fixedly connected with a buffer plate (9).

2. The protection structure of a rectifier bridge for an ac power generation of an automobile according to claim 1, wherein: the inside of overvoltage structure (4) has set gradually conducting rod (401), fixed case (402), insulating spring (403), insulating block (404), conducting block (405) and inflation piece (406), the equal fixed connection in intermediate position department on the inside top of protecting box (2) of conducting block (405), and the intermediate position department on the inside top of conducting block (405) all is provided with inflation piece (406), the fixed case (402) of intermediate position department fixedly connected with in the inside bottom of protecting box (2), and the equal fixedly connected with insulating spring (403) in the inside bottom of fixed case (402), the equal fixedly connected with in insulating spring (403) one end extends to the outside insulating block (404) of fixed case (402), and the equal fixedly connected with conducting rod (401) in the upper end of insulating block (404) both sides.

3. The protection structure of a rectifier bridge for an ac power generation of an automobile according to claim 1, wherein: draw-in groove (6) have all been seted up to the both sides on the inside top of lower casing (5), and the lower casing (5) lateral wall of draw-in groove (6) one side is provided with the locking bolt, go up equal fixedly connected with in casing (16) bottom both sides and draw-in groove (6) matched with fixture block (15).

4. The protection structure of a rectifier bridge for an ac power generation of an automobile according to claim 1, wherein: the heat dissipation device is characterized in that the heat dissipation fins (7) are uniformly and fixedly connected to one side, away from the pins (3), of the lower shell (5) and the upper shell (16), and heat dissipation through holes different in size are uniformly formed in the surfaces of the heat dissipation fins (7).

5. The protection structure of a rectifier bridge for an ac power generation of an automobile according to claim 1, wherein: one side fixedly connected with stopper (17) of safety cover (8) bottom, and the lower extreme of stopper (17) one side transversely runs through has gag lever post (20), spacing spring (18) have all been twined to one side on gag lever post (20) surface, and pin (3) inside upper end and the lower extreme of being close to stopper (17) one side all seted up with gag lever post (20) matched with spacing hole (19).

6. The protection structure of a rectifier bridge for an ac power generation of an automobile according to claim 1, wherein: go up all around fixedly connected with sealed cowling (14) on casing (16) inside top, and the height of sealed cowling (14) equals the distance between lower casing (5) and the inside of last casing (16).