CN213957514U

CN213957514U - Power electronic island detection device

Info

Publication number: CN213957514U
Application number: CN202022788971.0U
Authority: CN
Inventors: 邱炳彬; 邱炳江
Original assignee: Guangdong Yi Neng Electric Power Co ltd
Current assignee: Guangdong Yi Neng Electric Power Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-08-13
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses a power electronic island detection device, which comprises a detector shell, wherein the bottom of the detector shell is fixedly connected with a plurality of mounting blocks, a plurality of mounting blocks are all rotatably connected with moving wheels, the detector shell is internally provided with a mounting plate, the outer walls of the two sides of the mounting plate are fixedly connected with supporting plates, a supporting rod is slidably inserted on the supporting plate, a bearing block is fixedly connected at the top end of the supporting rod, one end of the bearing block is fixedly connected with the inner wall of the detector shell, the other end of the supporting rod is fixedly connected with the inner bottom of the detector shell, the cover is equipped with first resilient means on the bracing piece, the utility model discloses a comparatively good shock attenuation buffer function can be played in the detector use in the setting of many buffer gear to can avoid internal element to take place to damage because of the vibration, be fit for promoting.

Description

Power electronic island detection device

Technical Field

The utility model relates to an island detection related goods field specifically is a power electronic island detection device.

Background

With the rise of development and utilization of new energy resources represented by photovoltaic power generation, wind power generation, and the like, grid-connected inverter technology has been developed at a high speed. Due to the reasons of failure or human factors and the like, the grid-connected inverter may be in an island operation state, and potential threats are formed on personal safety, equipment and the like, so the grid-connected inverter must have reliable island detection and protection functions, and an island detector is required for electronic island detection in the power industry.

But the inside protection machanism of current power electronics island detector is comparatively simple, often leads to the internal component impaired because of the vibration when the detector daily use is carried to lead to the life of detector to descend, have the defect nature.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power electronics island detection device to it is comparatively simple to provide current power electronics island detector inside protection machanism in solving above-mentioned background art, often leads to the inner member impaired because of the vibration when the daily use of detector is carried, thereby leads to the life decline problem of detector.

In order to achieve the above object, the utility model provides a following technical scheme: a power electronic island detection device comprises a detector shell, wherein the bottom of the detector shell is fixedly connected with a plurality of installation blocks, a plurality of installation blocks are rotatably connected with a moving wheel, a mounting plate is arranged in the detector shell, supporting plates are fixedly connected on the outer walls of two sides of the mounting plate respectively, supporting rods are slidably inserted in the supporting plates, bearing blocks are fixedly connected to the top ends of the supporting rods, one ends of the bearing blocks are fixedly connected with the inner wall of the detector shell, the other ends of the supporting rods are fixedly connected with the inner bottom of the detector shell, a first elastic device is sleeved on the supporting rods, two ends of the first elastic device are fixedly connected with the bottom of the supporting plates and the inner bottom of the detector shell respectively, a fixed plate is fixedly connected to the inner bottom of the detector shell, a cavity is formed in the fixed plate, and two sliding blocks are slidably connected in the cavity, two connect through the second resilient means between the slider, two the equal fixedly connected with slide bar in one side that the slider was carried on the back mutually, the one end that the slider was kept away from to the slide bar runs through fixed plate and the first connecting block of fixedly connected with, it is connected with the push rod to rotate on the first connecting block, the one end that first connecting block was kept away from to the push rod is rotated and is connected with the second connecting block, the bottom fixed connection of second connecting block and mounting panel.

Preferably, the number of the plurality of mounting blocks is four, and the mounting blocks are respectively fixed at four corners of the bottom of the detector shell.

Preferably, the first elastic device and the second elastic device are both springs.

Preferably, the inner side wall of the detector shell is provided with a limiting groove, and one end of the supporting plate is slidably inserted into the limiting groove.

Preferably, a plurality of mounting screw ports are arranged on the mounting plate.

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

the power electronic island detection device can move the detector shell through the moving wheel on the mounting block so as to be convenient for switching in different operation areas, the circuit board of the detector is mounted through the mounting plate in the detector shell, when the detector is vibrated in daily use, the supporting plates at two ends of the mounting plate slide on the supporting rods so as to compress the first elastic device to realize primary buffering, meanwhile, the push rod mounted on the second connecting block moves under the driving of the mounting plate so as to drive the first connecting block to move, the first connecting block pulls the slide rod to enable the slide block on the slide rod to move in the fixed plate, and at the moment, the two slide blocks pull the second elastic device to finish secondary damping buffering, the utility model can play a good damping and buffering function in the use process of the detector through the arrangement of a plurality of buffering mechanisms, thereby avoiding the internal elements from being damaged due to vibration, is suitable for popularization.

Drawings

Fig. 1 is a schematic structural diagram of a power electronic island detection device according to the present invention;

fig. 2 is an enlarged view of a position a of the power electronic island detection device according to the present invention;

fig. 3 is the utility model discloses a power electronic island detection device's detector casing bottom schematic diagram.

In the figure: 1-detector shell, 2-mounting block, 3-moving wheel, 4-mounting plate, 5-support plate, 6-support rod, 7-bearing block, 8-first elastic device, 9-fixing plate, 10-sliding block, 11-second elastic device, 12-sliding rod, 13-first connecting block, 14-push rod, 15-second connecting block and 16-limiting groove.

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.

Referring to fig. 1-3, the present invention provides an embodiment: a power electronic island detection device comprises a detector shell 1, wherein the bottom of the detector shell 1 is fixedly connected with a plurality of installation blocks 2, the installation blocks 2 are rotatably connected with moving wheels 3, an installation plate 4 is arranged in the detector shell 1, supporting plates 5 are fixedly connected on the outer walls of two sides of the installation plate 4 respectively, supporting rods 6 are slidably inserted in the supporting plates 5, the top ends of the supporting rods 6 are fixedly connected with bearing blocks 7, one ends of the bearing blocks 7 are fixedly connected with the inner wall of the detector shell 1, the other ends of the supporting rods 6 are fixedly connected with the bottom in the detector shell 1, first elastic devices 8 are sleeved on the supporting rods 6, two ends of each first elastic device 8 are fixedly connected with the bottom of the corresponding supporting plate 5 and the bottom in the detector shell 1 respectively, specifically speaking, the moving wheels 3 on the installation blocks 2 can move the detector shell 1 so as to be switched between different operation areas, the circuit board of the detector is installed through the installation plate 4 in the detector shell 1, and the support plates 5 on the two ends of the installation plate 4 slide on the support rods 6 when the detector vibrates in the daily use process so as to compress the first elastic device 8 to realize primary buffering; bottom fixedly connected with fixed plate 9 in detector casing 1, be equipped with the cavity on fixed plate 9, sliding connection has two sliders 10 in the cavity, connect through second resilient means 11 between two sliders 10, the equal fixedly connected with slide bar 12 in one side that two sliders 10 carried on the back mutually, slide bar 12 keeps away from the one end of slider 10 and runs through fixed plate 9 and the first connecting block 13 of fixedly connected with, it is connected with push rod 14 to rotate on the first connecting block 13, the one end that first connecting block 13 was kept away from to push rod 14 rotates and is connected with second connecting block 15, the bottom fixed connection of second connecting block 15 and mounting panel 4, specific saying, thereby push rod 14 installed on second connecting block 15 takes place the motion under the drive of mounting panel 4 and drives first connecting block 13 motion, first connecting block 13 will stimulate slide bar 12 this moment and make the slider 10 on slide bar 12 move in fixed plate 9, two sliders 10 will stimulate second resilient means 11 and accomplish secondary shock attenuation buffering this moment.

Further, a plurality of installation pieces 2 are four in number and are fixed respectively in the bottom four corners of detector casing 1.

Further, the first elastic device 8 and the second elastic device 11 are both springs, so that the acquisition degree is high and the manufacturing cost is low.

Furthermore, be equipped with spacing groove 16 on the inside wall of detector casing 1, the one end of backup pad 5 slides and inserts and establish in spacing groove 16, and the stability of one end when increasing backup pad 5 and removing.

Furthermore, a plurality of installation screw sockets are arranged on the installation plate 4, so that the circuit board can be conveniently and fixedly installed.

The working principle is as follows: at first, the removal wheel 3 on the installation piece 2 can be removed detector casing 1 and be convenient for switch over in different operation regions, install the circuit board of detector through the inside mounting panel 4 of detector casing 1, thereby it slides on bracing piece 6 to compress first resilient means 8 and realize preliminary buffering to meet the backup pad 5 on the mounting panel 4 both ends this moment of vibration in the daily use of detector, thereby the push rod 14 of installing on second connecting block 15 takes place the motion under the drive of mounting panel 4 simultaneously and drives first connecting block 13 motion, first connecting block 13 will stimulate slider 10 on slide bar 12 this moment and make the slider 10 on slide bar 12 move in fixed plate 9, two sliders 10 will stimulate second resilient means 11 this moment and accomplish the secondary shock attenuation buffering.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a power electronic island detection device, includes detector casing (1), its characterized in that: the detector is characterized in that a plurality of installation blocks (2) are fixedly connected to the bottom of the detector shell (1), a plurality of installation blocks (2) are connected with a moving wheel (3) in a rotating mode, an installation plate (4) is arranged in the detector shell (1), supporting plates (5) are fixedly connected to the outer walls of the two sides of the installation plate (4), supporting rods (6) are inserted on the supporting plates (5) in a sliding mode, bearing blocks (7) are fixedly connected to the top ends of the supporting rods (6), one ends of the bearing blocks (7) are fixedly connected to the inner wall of the detector shell (1), the other ends of the supporting rods (6) are fixedly connected to the bottom of the detector shell (1), first elastic devices (8) are sleeved on the supporting rods (6), and the two ends of the first elastic devices (8) are fixedly connected to the bottom of the supporting plates (5) and the bottom of the detector shell (1) respectively, bottom fixedly connected with fixed plate (9) in detector casing (1), be equipped with the cavity on fixed plate (9), sliding connection has two sliders (10), two in the cavity connect through second resilient means (11) between slider (10), two the equal fixedly connected with slide bar (12) in one side that slider (10) carried on the back mutually, the one end that slider (10) were kept away from in slide bar (12) runs through fixed plate (9) and the first connecting block of fixedly connected with (13), it is connected with push rod (14) to rotate on first connecting block (13), the one end that first connecting block (13) were kept away from in push rod (14) is rotated and is connected with second connecting block (15), the bottom fixed connection of second connecting block (15) and mounting panel (4).

2. A power electronic island detection device according to claim 1, wherein: the number of the mounting blocks (2) is four, and the mounting blocks are respectively fixed at four corners of the bottom of the detector shell (1).

3. A power electronic island detection device according to claim 1, wherein: the first elastic device (8) and the second elastic device (11) are both springs.

4. A power electronic island detection device according to claim 1, wherein: be equipped with spacing groove (16) on the inside wall of detector casing (1), the one end of backup pad (5) slides and inserts and establish in spacing groove (16).

5. A power electronic island detection device according to claim 1, wherein: and a plurality of mounting screw ports are arranged on the mounting plate (4).