CN208900673U - A kind of straight drive reduction gearbox of pure electric vehicle - Google Patents

Abstract

The utility model discloses a kind of pure electric vehicles to drive reduction gearbox with straight, including box shell, supporting plate, motor, frequency converter and monitoring cavity, the side of the monitoring inside cavity is equipped with single-chip microcontroller, the center position of the power cavity bottom is equipped with sliding slot, center position inside sliding slot is equipped with sliding block, the power inside cavity on the sliding block top is fixed with supporting plate, the power inside cavity on supporting plate top is equipped with motor, the center position on the box shell top is equipped with limit hole, the top of limit hole is equipped with connecting shaft, center position inside the box shell is equipped with inorganic foamed layer, inorganic fibre mat is equipped with inside the box shell of inorganic foamed layer bottom, equidistant second flat hole is equipped with inside the box shell on the inorganic foamed layer top, the first flat hole is equipped at the top of box shell above second flat hole.The utility model not only increases the scope of application of reduction gearbox, improves safety when reduction gearbox uses, and also reduces noise pollution when reduction gearbox uses.

Description

A kind of straight drive reduction gearbox of pure electric vehicle

Technical field

The utility model relates to reduction gearbox technical field, specially a kind of pure electric vehicle drives reduction gearbox with straight.

Background technique

Reduction gearbox refers generally to speed reducer, retarder be it is a kind of by be enclosed in the intracorporal gear drive of rigid crust, worm-drive, Pinion-endless screw is driven composed individual components, the speed reduction gearing being commonly used between driving link and working machine, in prime mover Play a part of to match revolving speed between working machine or executing agency and transmit torque, extremely wide, mesh is applied in modern mechanical Preceding reduction gearbox on the market is varied, but it is functional more single, can only meet the simple demand of people, and reduction gearbox uses When on electric vehicle, the main size for controlling electric current, to make electric vehicle slow down, in use, due to noise mistake Greatly, the noise reduction sound-absorbing of reduction gearbox is necessary, so can be reduced the pollution of noise, and the use environment of user can also obtain To guarantee, the electric vehicle of different size needs the reduction gearbox using different size, as the connecting shaft of reduction gearbox has corresponding cunning Dynamic function, then the scope of application of reduction gearbox will certainly be improved, if the phenomenon that electric vehicle leaks electricity, safety is then obtained Less than guarantee, if reduction gearbox has a corresponding current monitoring function, reduction gearbox using when safety can then be improved.

Utility model content

The purpose of this utility model is to provide a kind of pure electric vehicles to drive reduction gearbox with straight, to solve in above-mentioned background technique The problem of proposition.

To achieve the above object, the utility model provides the following technical solutions: a kind of pure electric vehicle straight drive reduction gearbox, packet Box shell, supporting plate, motor, frequency converter and monitoring cavity are included, the bottom end inside the box shell is equipped with monitoring cavity, monitors inside cavity Side be equipped with single-chip microcontroller, it is described monitoring cavity above box shell inside be equipped with power cavity, the centre bit of power cavity bottom It sets place and is equipped with sliding slot, the center position inside the sliding slot is equipped with sliding block, and the power inside cavity on sliding block top is fixed with branch The power inside cavity of plate, the supporting plate top is equipped with motor, and the output end of motor is equipped with shaft by shaft coupling, described The center position on box shell top is equipped with limit hole, and the top of limit hole is equipped with connecting shaft, and the bottom end of connecting shaft and shaft Top is fixedly connected, and the center position inside the box shell is equipped with inorganic foamed layer, inside the box shell of inorganic foamed layer bottom Equipped with inorganic fibre mat, equidistant second flat hole, the second flat hole are equipped with inside the box shell on the inorganic foamed layer top The first flat hole is equipped at the top of the box shell of top, and the bottom end in the first flat hole is connected with the top in the second flat hole.

Preferably, locating rod is all equipped at the corner location on the box shell top.

Preferably, the center position on the box shell surface is equipped with alarm device, and the input terminal of alarm device and single-chip microcontroller Output end is electrically connected.

Preferably, the power cavity inner wall of the motor side is equipped with frequency converter, and the input terminal and monolithic of frequency converter The output end of machine is electrically connected.

Preferably, the monitoring inside cavity of the single-chip microcontroller side is equipped with current sensor, and the output of current sensor End and the input terminal of single-chip microcontroller are electrically connected.

Preferably, the length of the limit hole is greater than the length of sliding slot.

Compared with prior art, the utility model has the beneficial effects that the pure electric vehicle is passed through with the straight reduction gearbox that drives dynamic Power cavity bottom center position sets sliding slot, and sliding block is set at sliding slot inner hub location, and sliding block top power inside cavity is fixed Supporting plate sets limit hole at box shell top dead center position, realizes the sliding function of connecting shaft, to improve being applicable in for reduction gearbox Range sets alarm device, the monitoring of single-chip microcontroller side by setting single-chip microcontroller in monitoring inside cavity side at box shell centre of surface position Inside cavity sets current sensor, realizes the current monitoring function of reduction gearbox, to improve safety when reduction gearbox uses Property, while by setting inorganic foamed layer at box shell inner hub location, inorfil is set inside the box shell of inorganic foamed layer bottom Layer, equidistant second flat hole is set inside the box shell of inorganic foamed layer top, sets the first drop at the top of box shell above the second flat hole Sound hole, realizes the sound absorption function of reduction gearbox, to reduce noise pollution when reduction gearbox uses, the utility model is not only mentioned The high scope of application of reduction gearbox, improves safety when reduction gearbox uses, the noise also reduced when reduction gearbox uses is dirty Dye.

Detailed description of the invention

Fig. 1 is the schematic view of the front view of the utility model；

Fig. 2 is the external structure schematic diagram of the utility model；

Fig. 3 is the overlooking structure diagram of the utility model；

Fig. 4 is the box shell schematic cross-sectional view of the utility model.

In figure: 1, box shell；2, supporting plate；3, motor；4, locating rod；5, power cavity；6, connecting shaft；7, shaft；8, frequency conversion Device；9, sliding slot；10, current sensor；11, sliding block；12, single-chip microcontroller；13, cavity is monitored；14, alarm device；15, limit hole；16, Inorganic foamed layer；17, the first flat hole；18, the second flat hole；19, inorganic fibre mat.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-4 is please referred to, a kind of embodiment provided by the utility model: a kind of straight drive reduction gearbox of pure electric vehicle, including Box shell 1, supporting plate 2, motor 3, frequency converter 8 and monitoring cavity 13, the bottom end inside box shell 1 are equipped with monitoring cavity 13, monitoring cavity Side inside 13 is equipped with single-chip microcontroller 12, which can be SH69P25, in the monitoring cavity 13 of 12 side of single-chip microcontroller Portion be equipped with current sensor 10,10 model of current sensor can be LWF-100-A1, and the output end of current sensor 10 with The input terminal of single-chip microcontroller 12 is electrically connected, and whether has a leaky convenient for monitoring reduction gearbox, at the corner location on 1 top of box shell all Equipped with locating rod 4, convenient for the fixation of reduction gearbox, the center position on 1 surface of box shell is equipped with alarm device 14,14 model of alarm device It can be FU-JS001, and the output end of the input terminal of alarm device 14 and single-chip microcontroller 12 is electrically connected, and is reminded convenient for sounding an alarm, prison It surveys inside the box shell 1 of 13 top of cavity and is equipped with power cavity 5, the center position of 5 bottom of power cavity is equipped with sliding slot 9, sliding slot 9 Internal center position is equipped with sliding block 11, and supporting plate 2 is fixed with inside the power cavity 5 on 11 top of sliding block, and 2 top of supporting plate is moved Motor 3 is equipped with inside power cavity 5, which can be Y112M-2, and 5 inner wall of power cavity of 3 side of motor, which is equipped with, to be become Frequency device 8, which can be VFD-C2000, and the output end of the input terminal of frequency converter 8 and single-chip microcontroller 12 is electrically connected, Convenient for controlling the size of current of reduction gearbox, and the output end of motor 3 is equipped with shaft 7, the center on 1 top of box shell by shaft coupling Limit hole 15 is equipped at position, the length of limit hole 15 is greater than the length of sliding slot 9, convenient for the sliding of connecting shaft 6, limit hole 15 Top is equipped with connecting shaft 6, and the bottom end of connecting shaft 6 is fixedly connected with the top of shaft 7, and the center position inside box shell 1 is set There is inorganic froth bed 16, is equipped with inorganic fibre mat 19 inside the box shell 1 of inorganic foamed 16 bottom of layer, inorganic foamed 16 top of layer It is equipped with equidistant second flat hole 18 inside box shell 1, is equipped with the first flat hole at the top of the box shell 1 of 18 top of the second flat hole 17, and the bottom end in the first flat hole 17 is connected with the top in the second flat hole 18.

Working principle: when using reduction gearbox, first by the sliding block 11 at sliding 9 inner hub location of sliding slot, make it It drives the connecting shaft 6 of 15 top of limit hole mobile, so that its scope of application is improved, can satisfy in the electronic of different size Vehicle uses, and the current sensor 10 inside cavity 13 is being monitored by 12 side of single-chip microcontroller to the electric current real-time monitoring of electric vehicle, Such as there is leaky, the single-chip microcontroller 12 of monitoring 13 interior side of cavity can be to the alarm device 14 at 1 centre of surface position of box shell Instruction is issued, alarm device 14 can be sounded an alarm and be reminded, it is ensured that safety when reduction gearbox uses, finally by box shell 1 The inorganic fibre mat 19 inside inorganic foamed layer 16 and inorganic foamed 16 bottom box shell 1 of layer at inner hub location is to box shell 1 It is assisted, while the second flat hole 18 and 18 top box shell 1 of the second flat hole top inside 16 top box shell 1 of inorganic foamed layer The first flat hole 17 in portion exists and is connected to, and partial noise can be eliminated, to complete the use of reduction gearbox.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

Claims (6)

1. a kind of pure electric vehicle drives reduction gearbox, including box shell (1), supporting plate (2), motor (3), frequency converter (8) and monitoring chamber with straight Body (13), it is characterised in that: the internal bottom end of the box shell (1) is equipped with monitoring cavity (13), monitors the one of cavity (13) inside Side is equipped with single-chip microcontroller (12), is equipped with power cavity (5) inside the box shell (1) above monitoring cavity (13), power cavity (5) The center position of bottom is equipped with sliding slot (9), and the internal center position of the sliding slot (9) is equipped with sliding block (11), sliding block (11) It is fixed with supporting plate (2) inside the power cavity (5) on top, motor is equipped with inside the power cavity (5) on supporting plate (2) top (3), and the output end of motor (3) is equipped with shaft (7) by shaft coupling, and the center position on box shell (1) top is equipped with The top of limit hole (15), limit hole (15) is equipped with connecting shaft (6), and the bottom end of connecting shaft (6) and the top of shaft (7) are fixed Connection, the internal center position of the box shell (1) are equipped with inorganic foamed layer (16), the box shell of inorganic foamed layer (16) bottom (1) internal to be equipped with inorganic fibre mat (19), equidistant second is equipped with inside the box shell (1) on inorganic foamed layer (16) top Flat hole (18) is equipped with the first flat hole (17), and the first flat hole (17) at the top of the box shell (1) above the second flat hole (18) Bottom end be connected with the top in the second flat hole (18).

2. a kind of pure electric vehicle according to claim 1 drives reduction gearbox with straight, it is characterised in that: box shell (1) top Corner location at be all equipped with locating rod (4).

3. a kind of pure electric vehicle according to claim 1 drives reduction gearbox with straight, it is characterised in that: box shell (1) surface Center position be equipped with alarm device (14), and the output end of the input terminal of alarm device (14) and single-chip microcontroller (12) is electrically connected.

4. a kind of pure electric vehicle according to claim 1 drives reduction gearbox with straight, it is characterised in that: motor (3) side Power cavity (5) inner wall be equipped with frequency converter (8), and the output end of the input terminal of frequency converter (8) and single-chip microcontroller (12) is electrical Connection.

5. a kind of pure electric vehicle according to claim 1 drives reduction gearbox with straight, it is characterised in that: the single-chip microcontroller (12) one Current sensor (10) are equipped with inside the monitoring cavity (13) of side, and the output end of current sensor (10) and single-chip microcontroller (12) Input terminal is electrically connected.

6. a kind of pure electric vehicle according to claim 1 drives reduction gearbox with straight, it is characterised in that: the limit hole (15) Length is greater than the length of sliding slot (9).