Power-on and power-off protection device for motor controller

Abstract

The utility model discloses a power-on and power-off protection device for a motor controller, relates to the technical field of protection devices, and aims to solve the problems that in the prior art, when a fuse is broken, the fuse needs to be replaced, and some power-on and power-off protection devices are installed in a deep position of a shell and are located in a complex circuit, so that the fuse is inconvenient to replace. According to the scheme, the device comprises a fixing plate, conductive strips which are symmetrically distributed are embedded in one end of the top of the fixing plate, first wire blocks are fixed to one ends of the tops of the conductive strips, and fixing columns are fixed to the other ends of the tops of the conductive strips. According to the utility model, the connecting frame is lifted and disconnected from the connecting column, the connecting assembly is retracted into the mounting plate, and the limiting fixation between the fixing plate and the mounting plate is released, so that the protection mechanism can be taken out from the mounting plate and the broken fuse between the first clamping block and the second clamping block is replaced; and the fuse in the through hole is pressed and fixed by the bottom end of the pressing knob.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of protection device, especially relates to a motor controller on-off power protection device. BACKGROUND

[0002] With the increasingly strict automobile energy consumption regulations, hybrid electric vehicles have become the focus of improving fuel consumption, and motor controllers are particularly important as core components in hybrid electric systems. In the daily use of motor controllers, the on-off process of high-voltage strong current is the main cause of motor controller failure or damage, so controlling the on-off process of motor controllers is the core work of protecting motor controllers.

[0003] The on-off power protection device in the prior art usually uses the rupture of a fuse to protect against overload, and the fuse needs to be replaced after it breaks. Since some on-off power protection devices are installed deep in the housing and in complex circuits, it is inconvenient to replace the fuse. UTILITY MODEL CONTENTS

[0004] To overcome the shortcomings of the prior art, the utility model provides a motor controller on-off power protection device, which effectively solves the problem of replacing the fuse after it breaks in the prior art, since some on-off power protection devices are installed deep in the housing and in complex circuits, making it inconvenient to replace the fuse.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A motor controller on-off power protection device, comprising a fixed plate, the top of the fixed plate is embedded with symmetrically distributed conductive strips, and the top of the conductive strip is fixed with a first lead block, the top of the conductive strip is fixed with a fixed column, and the top of the fixed column is rotatably connected with a connecting frame, the other end of the fixed plate is inserted and fixed with a second lead block, and the second lead block is connected with a protection mechanism, the protection mechanism comprises a mounting plate, conductive blocks embedded on both sides of the top of the mounting plate, connecting columns fixed on the top of the conductive blocks, first clamping blocks fixed on the other end of the top of the conductive blocks, connecting blocks inserted and fixed on the outer walls of the other end of the mounting plate, second clamping blocks fixed on the top of the connecting blocks, and connecting assemblies connected to the outer walls of both sides of the mounting plate.

[0007] The protection mechanism can be taken out from the mounting plate, the broken fuse between the first clamping block and the second clamping block is replaced, the bottom end of the compression knob is pressed against the fuse in the through hole by tightening the compression knob, the first clamping block and the second clamping block are electrically connected, then the mounting plate is inserted into the fixed plate, the connecting block and the second wire block are abutted, the connecting frame and the connecting column are clamped, and the overall electrical connection is completed.

[0008] Preferably, the two side outer walls of the fixed plate are fixed with mounting blocks, and the top of the mounting block is provided with symmetrically distributed mounting holes.

[0009] The fixed plate is connected and fixed with the shell through the mounting block.

[0010] Preferably, the top of the fixed plate is provided with a mounting groove matched with the mounting plate, and the two side inner walls of the mounting groove are provided with positioning grooves.

[0011] The protection mechanism is mounted through the mounting groove.

[0012] Preferably, the top of the connecting column is provided with a clamping groove, the clamping groove is in plug-in cooperation with the connecting frame, and the connecting block and the second wire block are abutted with each other.

[0013] The connecting frame is plugged into the clamping groove, so that the connecting column and the fixed column are electrically connected through the connecting frame.

[0014] Preferably, the one side outer wall of the first clamping block and the second clamping block is provided with a through hole, and the top of the first clamping block and the second clamping block is screwed with a compression knob, and the first clamping block and the second clamping block are connected with a fuse.

[0015] The fuse is plugged into the through hole of the first clamping block and the second clamping block, and the bottom end of the compression knob is pressed against the fuse in the through hole by tightening the compression knob, so that the first clamping block and the second clamping block are electrically connected.

[0016] Preferably, the connecting assembly comprises a sliding block, a poking block fixed to the top of the sliding block, and a telescopic spring connected to the two sides of the outer wall of one end of the sliding block, and the sliding block is in plug-in cooperation with the positioning groove.

[0017] When the mounting plate is plugged into the mounting groove, the sliding block is plugged into the positioning groove under the pushing of the telescopic spring, so that the mounting plate is fixed in the mounting groove.

[0018] The utility model discloses the beneficial effects are:

[0019] The protection mechanism can be taken out from the mounting plate, the broken fuse between the first clamping block and the second clamping block is replaced, the bottom end of the compression knob is pressed against the fuse in the through hole by tightening the compression knob, and the fuse is fixed, so that the problem that the fuse needs to be replaced after being broken in the prior art is effectively solved, and since some on-off electric protection devices are installed in the deep part of the shell and are in a complex circuit, the fuse is inconvenient to replace. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 A whole structure schematic diagram of a motor controller on-off electric protection device is provided for the utility model.

[0021] Fig. 2 A protection mechanism structure schematic diagram of a motor controller on-off electric protection device is provided for the utility model.

[0022] Fig. 3 A connecting assembly structure schematic diagram of a motor controller on-off electric protection device is provided for the utility model.

[0023] In the figure: 1, fixed plate; 2, conductive strip; 3, first wire block; 4, fixed column; 5, connecting frame; 6, second wire block; 7, protection mechanism; 8, mounting plate; 9, conductive block; 10, connecting column; 11, first clamping block; 12, connecting block; 13, second clamping block; 14, compression knob; 15, connecting assembly; 16, sliding block; 17, pushing block; 18, extension spring. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0025] Embodiment:

[0026] Referring to Figs. 1-3A kind of motor controller on-off protection device, including fixed plate 1, the top one end of fixed plate 1 is embedded with symmetrically distributed conducting strip 2, the top one end of conducting strip 2 is fixed with first wire block 3, the top other end of conducting strip 2 is fixed with fixed column 4, fixed column 4 is rotatably connected with connecting frame 5, the other end of fixed plate 1 is inserted and fixed with second wire block 6, second wire block 6 is connected with protection mechanism 7, protection mechanism 7 includes mounting plate 8, the conducting block 9 embedded in the top one end of both sides of mounting plate 8, the connecting column 10 fixed to the top one end of conducting block 9, the first clamping block 11 fixed to the top other end of conducting block 9, the connecting block 12 inserted and fixed to the other end of the outer wall of mounting plate 8, the second clamping block 13 fixed to the top of connecting block 12, the connecting assembly 15 connected to the outer wall of both sides of mounting plate 8;

[0027] The outer wall of both sides of fixed plate 1 is fixed with mounting block, the top of mounting block is provided with symmetrically distributed mounting hole, fixed plate 1 is connected and fixed with shell through mounting block, the top of fixed plate 1 is provided with installation slot compatible with mounting plate 8, the inner wall of both sides of installation slot is provided with positioning slot, protection mechanism 7 is installed through installation slot, the top of connecting column 10 is provided with clamping groove, clamping groove forms inserted fit with connecting frame 5, connecting block 12 and second wire block 6 abut each other, connecting frame 5 is inserted with clamping groove, so that connecting column 10 and fixed column 4 are electrically connected through connecting frame 5;

[0028] The outer wall of one side of first clamping block 11 and second clamping block 13 is provided with through hole, the top of first clamping block 11 and second clamping block 13 is screwed with compression knob 14, fuse is connected between first clamping block 11 and second clamping block 13, fuse is inserted in the through hole of first clamping block 11 and second clamping block 13, and compression knob 14 is tightened, so that the bottom end of compression knob 14 is tightly fixed with fuse in through hole, so that first clamping block 11 and second clamping block 13 are electrically connected, connecting assembly 15 includes sliding block 16, the knob 17 fixed to the top of sliding block 16, the telescopic spring 18 connected to the outer wall of one end of sliding block 16, sliding block 16 forms inserted fit with positioning slot, when mounting plate 8 is inserted in installation slot, sliding block 16 is inserted in positioning slot under the push of telescopic spring 18, so that mounting plate 8 is fixed in installation slot.

[0029] Working principle:

[0030] In operation, the connection frame 5 is disconnected from the connection column 10 by lifting it up, the slide block 16 is retracted into the mounting plate 8 by pushing the push block 17, the fixing between the fixing plate 1 and the mounting plate 8 is released, the protection mechanism 7 can be taken out from the mounting plate 1, the broken fuse between the first clamping block 11 and the second clamping block 13 is replaced, the bottom end of the compression knob 14 is pressed against the fuse in the through hole by tightening the compression knob 14, the first clamping block 11 and the second clamping block 13 are electrically connected, then the mounting plate 8 is inserted into the fixing plate 1, the connection block 12 and the second wire block 6 are abutted, the connection frame 5 and the connection column 10 are clamped, and the overall electrical connection is completed.

[0031] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An electric machine controller protection device against short-circuit, comprising a fixed plate (1), characterized in that, The top end of the fixed plate (1) is embedded with symmetrically distributed conductive strips (2), and the top end of the conductive strip (2) is fixed with a first wire block (3), the top end of the conductive strip (2) is fixed with a fixed column (4), and the top of the fixed column (4) is rotatably connected with a connecting frame (5), the other end of the fixed plate (1) is inserted and fixed with a second wire block (6), and the second wire block (6) is connected with a protection mechanism (7), the protection mechanism (7) includes a mounting plate (8), conductive blocks (9) embedded on both sides of the top end of the mounting plate (8), connecting columns (10) fixed on the top end of the conductive block (9), first clamping blocks (11) fixed on the other end of the conductive block (9), connecting blocks (12) inserted and fixed on both sides of the outer wall of the other end of the mounting plate (8), second clamping blocks (13) fixed on the top of the connecting block (12), and connecting assemblies (15) connected to the outer walls on both sides of the mounting plate (8).

2. A power on-off protection device for a motor controller according to claim 1, wherein The outer walls on both sides of the fixed plate (1) are fixed with mounting blocks, and the top of the mounting block is provided with symmetrically distributed mounting holes.

3. A power on-off protection device for a motor controller according to claim 1, wherein The top of the fixed plate (1) is provided with a mounting groove matched with the mounting plate (8), and the inner walls on both sides of the mounting groove are provided with positioning grooves.

4. The power controller on-off protection device of claim 1, wherein, The top of the connecting column (10) is provided with a clamping groove, and the clamping groove is inserted and matched with the connecting frame (5), and the connecting block (12) and the second wire block (6) abut each other.

5. A power on-off protection device for a motor controller according to claim 1, wherein The outer walls on one side of the first clamping block (11) and the second clamping block (13) are provided with through holes, and the top of the first clamping block (11) and the second clamping block (13) is screwed with a compression knob (14), and the first clamping block (11) and the second clamping block (13) are connected with a fuse.

6. A power on-off protection device for a motor controller according to claim 3, wherein The connecting assembly (15) includes a sliding block (16), a pushing block (17) fixed on the top of the sliding block (16), and extension springs (18) connected to the outer walls on both sides of one end of the sliding block (16), and the sliding block (16) is inserted and matched with the positioning groove.

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