CN110962559A

CN110962559A - Temperature adjustable device for power system of electric automobile

Info

Publication number: CN110962559A
Application number: CN201911229668.2A
Authority: CN
Inventors: 高上犁
Original assignee: Yiwu Chuchen New Energy Technology Co Ltd
Current assignee: Zhejiang leen Engineering Design Consulting Co., Ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-04-07
Anticipated expiration: 2039-12-04
Also published as: GB202006121D0; CN110962559B

Abstract

The invention discloses a temperature adjustable device of an electric automobile power system, which comprises an automobile body and an installation cavity arranged in the bottom end surface of the automobile body, and is characterized in that: a power cavity is formed in the inner top wall of the mounting cavity, a power device is arranged in the power cavity, a motor is fixedly arranged on the inner top wall of the mounting cavity, a transmission device is arranged above the motor, and ventilation devices are symmetrically arranged on the left wall and the right wall in the machine body; the device is simple in mechanism and convenient to use, realizes automatic cooling and automatic ventilation of the internal power system of the electric automobile, automatically heats up, greatly improves the safety performance of the electric automobile, simultaneously has mechanical control when the temperature of the internal power system of the electric automobile is regulated, enables the motor to normally work, improves the service efficiency of the battery of the electric automobile, ensures the stability of the cruising ability of the electric automobile, has lower cost, can be popularized in most electric automobile manufacturers, and saves the production cost for business owners.

Description

Temperature adjustable device for power system of electric automobile

Technical Field

The invention relates to the technical field of electric automobile production, in particular to a temperature adjustable device for a power system of an electric automobile.

Background

In the driving process of an electric automobile, the temperature of the power device in the electric automobile can be changed due to the working state and can be influenced by the external environment, if the temperature is not protected, the safety performance, the cruising ability and the like of the electric automobile can be influenced, so that the temperature of the power device in the electric automobile needs to be adjusted, and the power device in the general electric automobile only has a cooling device, so that the power device is single, has great defects and needs to be improved.

Disclosure of Invention

The invention aims to provide a temperature adjustable device for a power system of an electric automobile, which is used for overcoming the defects in the prior art.

The temperature-adjustable device of the power system of the electric automobile comprises an automobile body and an installation cavity arranged in the bottom end face of the automobile body, wherein a power cavity is arranged in the top wall in the installation cavity, a power device is arranged in the power cavity, a motor is fixedly arranged on the top wall in the installation cavity, a transmission device is arranged above the motor and comprises a ventilation rotating shaft which is arranged in the automobile body and extends left and right, ventilation devices are symmetrically arranged on the left and right walls in the automobile body, storage batteries which are positioned below the motor are fixedly arranged in the front and rear end walls of the installation cavity, a fan device is arranged in the installation cavity and comprises a fan supporting arm which is fixedly arranged in the front and rear inner walls in the installation cavity, a fan shell is fixedly arranged on the left end face of the fan supporting arm, and a fan rotating shaft which extends left into the fan shell is rotatably arranged on the, fan pivot right-hand member has set firmly fan driven pulleys, fan pivot left end is equipped with the fan admittedly, just be located in the fan casing the fixed thermistor that is equipped with in fan left side, just be located in the end wall around the installation cavity fan casing below has set firmly cold contraction conduction case, cold contraction conduction incasement symmetry is equipped with concave type conduction block, be equipped with cold contraction block in the recess between the concave type conduction block, cold contraction conduction incasement left and right sides wall symmetry is equipped with the spring chamber, concave type conduction block left end face with spring intracavity left wall passes through cold contraction reset spring fixed connection, thermistor with pass through the electric wire intercommunication between the cold contraction conduction case, the diapire right side has set firmly energy battery in the installation cavity.

On the basis of the technical scheme, the power device comprises a temperature adjusting driving motor arranged on the right wall in the power cavity, the left end of the temperature adjusting driving motor is in power connection with a driving shaft, a fan driving pulley is fixedly connected to the driving shaft, the fan driving pulley is connected with a fan driven pulley in a rotating fit mode through a fan transmission belt, a ventilation driving pulley is fixedly arranged at the left end of the driving shaft, a transmission cavity is arranged on the left side of the power cavity, the left wall in the power cavity rotates to be provided with a transmission shaft extending leftwards in the transmission cavity, a ventilation driven pulley is fixedly arranged at the right end of the transmission shaft, and the ventilation driving pulley is connected with the ventilation driven pulley in a rotating fit mode through the ventilation transmission belt.

On the basis of the technical scheme, the transmission device further comprises a thermal expansion block arranged on the upper end surface of the motor, a rotating slider cavity is arranged below the bottom wall of the transmission cavity, a mandril rotating shaft which extends downwards into the rotating slider cavity is rotatably arranged on the bottom wall of the transmission cavity, the lower end of the mandril rotating shaft is abutted against the upper end surface of the thermal expansion block, a rotating slider is arranged in the rotating slider cavity in a sliding and rotating manner, the rotating slider is fixedly connected with the mandril rotating shaft, a thermal expansion return spring is fixedly arranged on the upper end surface of the rotating slider, a linkage gear is fixedly arranged at the upper end of the mandril rotating shaft, a driving bevel gear is fixedly arranged at the left end of the driving shaft, a shaft supporting arm is fixedly arranged on the right wall in the transmission cavity, a first rotating shaft which extends up and down is rotatably arranged on the shaft supporting arm, a driven, the utility model discloses a fan, including pivot, transmission intracavity roof, fan drive bevel gear, fan driven bevel gear, fan drive bevel gear, fan driven bevel gear, fan drive bevel gear, fan driven bevel gear left side and lie in the last fixed first band pulley that is equipped with of axis of rotation of ventilation axis, the drainage fan support has set firmly in the inner wall around in the fuselage, the last drainage fan that has set firmly of drainage fan support, first band pulley with connect through drainage drive belt normal running fit between the drainage fan.

On the basis of the technical scheme, the ventilating device comprises a first bevel gear fixedly connected with the left end of the ventilating rotating shaft, the inner rear wall of the left side of the machine body is provided with a ventilating device mounting groove, the inner rear wall of the ventilating device mounting groove is provided with a toothed block chute, the inner rear wall of the toothed block chute is rotatably provided with a ventilating shaft, the upper end of the ventilating shaft is fixedly provided with a second bevel gear, the second bevel gear is in meshing connection with the first bevel gear, the ventilating shaft is fixedly provided with a ventilating gear, an O-shaped inner meshing toothed block is slidably arranged in the toothed block chute, the ventilating gear is in meshing connection with the O-shaped inner meshing toothed block, the lower end of the O-shaped inner meshing toothed block is fixedly provided with a toothed block push rod, the toothed block push rod is rotatably provided with five groups of fan blade connecting rods, the inner rear wall of the ventilating device mounting groove is fixedly provided with a fan blade mounting base, the fan blade rotating shaft is fixedly provided with a ventilating fan blade, and the fan blade connecting rod is fixedly connected with the fan blade rotating shaft.

The invention has the beneficial effects that: the device is simple in mechanism and convenient to use, realizes automatic cooling and automatic ventilation of the internal power system of the electric automobile, automatically heats up, greatly improves the safety performance of the electric automobile, simultaneously has mechanical control when the temperature of the internal power system of the electric automobile is regulated, enables the motor to normally work, improves the service efficiency of the battery of the electric automobile, ensures the stability of the cruising ability of the electric automobile, has lower cost, can be popularized in most electric automobile manufacturers, and saves the production cost for business owners.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural view of a gear deburring apparatus of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 taken at A-A in accordance with the present invention;

FIG. 3 is a schematic view of the structure of FIG. 2 at B-B in accordance with the present invention;

FIG. 4 is an enlarged schematic view at C of FIG. 1 of the present invention;

FIG. 5 is a schematic view of the structure of FIG. 4 taken at D-D;

fig. 6 is an enlarged schematic view at E in fig. 1 according to the present invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-6, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Referring to fig. 1-6, the temperature adjustable device for the power system of the electric vehicle according to the embodiment of the present invention includes a vehicle body 7 and an installation cavity 61 disposed in the end face of the bottom of the vehicle body 7, a power cavity 58 is disposed in the top wall of the installation cavity 61, a power device is disposed in the power cavity 58, a motor 17 is fixedly disposed on the top wall of the installation cavity 61, a transmission device is disposed above the motor 17, the transmission device includes a ventilation rotating shaft 1 disposed in the vehicle body 7 and extending left and right, ventilation devices are symmetrically disposed on the left and right walls of the vehicle body 7, a storage battery 8 disposed below the motor 17 is fixedly disposed in the front and rear end walls of the installation cavity 61, a fan device is disposed in the installation cavity 61, the fan device includes a fan supporting arm 49 fixedly disposed in the front and rear inner walls of the installation cavity 61, and a fan housing 48 is fixedly disposed on the, the fan supporting arm 49 is rotatably provided with a fan rotating shaft 50 extending leftwards into the fan housing 48, a fan driven belt wheel 51 is fixedly arranged at the right end of the fan rotating shaft 50, a fan 46 is fixedly arranged at the left end of the fan rotating shaft 50, a thermistor 47 is fixedly arranged in the fan housing 48 and on the left side of the fan 46, a cold-shrink conduction box 40 is fixedly arranged in the front end wall and the rear end wall of the installation cavity 61 and below the fan casing 48, concave conducting blocks 43 are symmetrically arranged in the cold-shrink conducting box 40, cold-shrink blocks 44 are arranged in the grooves between the concave conducting blocks 43, spring cavities 42 are symmetrically arranged on the left wall and the right wall in the cold-shrinkage transmission box 40, the left end surface of the concave transmission block 43 is fixedly connected with the left wall in the spring cavity 42 through a cold-shrinkage reset spring 41, the thermistor 47 is communicated with the cold-contraction conduction box 40 through an electric wire 45, and the right side of the inner bottom wall of the installation cavity 61 is fixedly provided with an energy battery 9.

In addition, in one embodiment, the power device includes a temperature adjustment driving motor 54 disposed on the right wall in the power cavity 58, a driving shaft 55 is disposed at the left end of the temperature adjustment driving motor 54 in a power connection manner, a fan driving pulley 53 is fixedly connected to the driving shaft 55, the fan driving pulley 53 is rotatably connected to the fan driven pulley 51 through a fan transmission belt 52, a ventilation driving pulley 59 is fixedly disposed at the left end of the driving shaft 55, a transmission cavity 60 is disposed at the left side of the power cavity 58, a transmission shaft 36 extending leftward into the transmission cavity 60 is rotatably disposed on the left wall in the power cavity 58, a ventilation driven pulley 57 is fixedly disposed at the right end of the transmission shaft 36, and the ventilation driving pulley 59 is rotatably connected to the ventilation driven pulley 57 through the ventilation transmission belt 56.

In addition, in one embodiment, the transmission device further includes a thermal expansion block 31 disposed on the upper end surface of the motor 17, a rotary slider cavity 38 is disposed below the bottom wall of the transmission cavity 60, a push rod rotary shaft 28 extending downward into the rotary slider cavity 38 is rotatably disposed on the bottom wall of the transmission cavity 60, the lower end of the push rod rotary shaft 28 abuts against the upper end surface of the thermal expansion block 31, a rotary slider 30 is slidably and rotatably disposed in the rotary slider cavity 38, the rotary slider 30 is fixedly connected with the push rod rotary shaft 28, a thermal expansion return spring 29 is fixedly disposed on the upper end surface of the rotary slider 30, a linkage gear 27 is fixedly disposed on the upper end of the push rod rotary shaft 28, a driving bevel gear 37 is fixedly disposed on the left end of the transmission shaft 36, a shaft support arm 34 is fixedly disposed on the right wall in the transmission cavity 60, a first rotary shaft 33 extending upward and downward is rotatably disposed on the shaft support arm 34, a driven bevel gear 35, the driven bevel gear 35 is engaged with the drive bevel gear 37, the driving gear 32 is fixedly arranged at the upper end of the rotating shaft 33, the bevel gear cavity 5 is arranged above the top wall in the transmission cavity 60, the second rotating shaft 25 which extends upwards into the bevel gear cavity 5 is rotatably arranged on the top wall in the transmission cavity 60, the driven gear 26 is rotatably arranged at the lower end of the second rotating shaft 25, the fan drive bevel gear 24 is rotatably arranged at the upper end of the second rotating shaft 25, the fan driven bevel gear 23 is fixedly arranged on the ventilation rotating shaft 1 and positioned in the bevel gear cavity 5, the fan drive bevel gear 24 is engaged with the fan driven bevel gear 23, the first pulley 39 is fixedly arranged on the left side of the fan driven bevel gear 23 and positioned on the ventilation rotating shaft 1, the drainage fan support 21 is fixedly arranged in the front and back inner walls in the machine body 7, and the drainage fan 20 is fixedly arranged on the drainage fan support 21, the first belt pulley 39 is connected with the drainage fan 20 in a rotating fit manner through a drainage transmission belt 22.

In addition, in one embodiment, the ventilating device comprises a first bevel gear 3 fixedly connected with the left end of the ventilating rotating shaft 1, the inner rear wall of the left side of the machine body 7 is provided with a ventilating device installation groove 6, the inner rear wall of the ventilating device installation groove 6 is provided with a toothed block sliding groove 13, the inner rear wall of the toothed block sliding groove 13 is rotatably provided with a ventilating shaft 12, the upper end of the ventilating shaft 12 is fixedly provided with a second bevel gear 2, the second bevel gear 2 is in meshing connection with the first bevel gear 3, the ventilating shaft 12 is fixedly provided with a ventilating gear 11, the toothed block sliding groove 13 is internally provided with an O-shaped inner meshing toothed block 10 in a sliding manner, the ventilating gear 11 is in meshing connection with the O-shaped inner meshing toothed block 10, the lower end of the O-shaped inner meshing toothed block 10 is fixedly provided with a toothed block push rod 14, the toothed block push rod 14 is rotatably provided with five groups of fan blade connecting rods 18, the inner rear, the front end face of the fan blade mounting base 19 is fixedly provided with five groups of fan blade rotating shafts 15, the fan blade rotating shafts 15 are fixedly provided with ventilating fan blades 16, and the fan blade connecting rods 18 are fixedly connected with the fan blade rotating shafts 15.

In an initial state, the driven bevel gear 35 is engaged with the drive bevel gear 37, the linkage gear 27 is not engaged with the drive gear 32 and the driven gear 26, the fan drive bevel gear 24 is engaged with the fan driven bevel gear 23, the second bevel gear 2 is engaged with the first bevel gear 3, the thermal expansion return spring 29 is in a normal extension state, and the cold contraction return spring 41 is in a compression state.

When temperature adjustment is needed, the temperature adjustment driving motor 54 is started to drive the driving shaft 55 to rotate, and the driving shaft 55 drives the fan 46 to rotate through the fan driving pulley 53, the fan driving belt 52, the fan driven pulley 51 and the fan rotating shaft 50.

When the temperature is too high and needs to be reduced, the temperature adjustment driving motor 54 is started to drive the driving shaft 55 to rotate, the driving shaft 55 drives the driving bevel gear 37 to rotate through the ventilation driving pulley 59, the ventilation transmission belt 56, the ventilation driven pulley 57 and the transmission shaft 36, the driving bevel gear 37 drives the driving gear 32 to rotate through the driven bevel gear 35 and the first rotating shaft 33, due to the fact that the temperature is too high, the thermal expansion block 31 thermally expands to jack the thermal expansion block 28 upwards, the mandril rotating shaft 28 drives the rotating slider 30 and the linkage gear 27 to move upwards, the thermal expansion return spring 29 is compressed, the linkage gear 27 is meshed with the driving gear 32 and the driven gear 26, and the driving gear 32 is meshed with the linkage gear 27, the driven gear 26, the second rotating shaft 25, the fan driving bevel gear 24 and the fan driving bevel gear 24, The fan driven bevel gear 23 drives the ventilation rotating shaft 1 to rotate, and the ventilation rotating shaft 1 drives the drainage fan 20 to rotate through the drainage fan belt wheel 39 and the drainage transmission belt 22.

Meanwhile, the ventilation rotating shaft 1 drives the ventilation gear 11 to rotate through the first bevel gear 3, the second bevel gear 2 and the ventilation shaft 12, the ventilation gear 11 drives the O-shaped inner meshing tooth block 10 to do reciprocating motion, the O-shaped inner meshing tooth block 10 drives the ventilation fan blade 16 to do reciprocating swing motion through the tooth block push rod 14, the fan blade connecting rod 18 and the fan blade rotating shaft 15, and the machine body starts ventilation and drainage and accelerates cooling.

When the temperature crosses lowly and needs to heat up, because the temperature crosses lowly, contract cold piece 44 shrinkage, contract cold reset spring 41 resets and drives concave type conduction piece 43 mutual contact, electric wire 45 intercommunication, thermistor 47 switch-on energy battery 9, thermistor 47 generates heat, blow out hot-blast in the fan casing 48, heat up gradually.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides an adjustable device of electric automobile driving system temperature, includes the fuselage and set up in installation cavity in the fuselage bottom end face, its characterized in that: a power cavity is arranged in the top wall in the installation cavity, a power device is arranged in the power cavity, a motor is fixedly arranged on the top wall in the installation cavity, a transmission device is arranged above the motor and comprises a ventilation rotating shaft which is arranged in the machine body and extends leftwards and rightwards, ventilation devices are symmetrically arranged on the left wall and the right wall in the machine body, storage batteries which are positioned below the motor are fixedly arranged in the front end wall and the rear end wall of the installation cavity, a fan device is arranged in the installation cavity and comprises fan supporting arms which are fixedly arranged in the front inner wall and the rear inner wall in the installation cavity, a fan shell is fixedly arranged on the left end surface of each fan supporting arm, a fan rotating shaft which extends leftwards into the fan shell is rotatably arranged on each fan supporting arm, a fan driven belt pulley is fixedly arranged at the right end of the fan rotating shaft, a fan is fixedly arranged at the, just be located in the end wall around the installation cavity fan casing below has set firmly the shrinkage conduction case, shrinkage conduction incasement symmetry is equipped with concave type conduction block, be equipped with the shrinkage piece in the recess between the concave type conduction block, shrinkage conduction incasement left and right sides wall symmetry is equipped with the spring chamber, concave type conduction block left end face with spring intracavity left wall passes through shrinkage reset spring fixed connection, thermistor with through the electric wire intercommunication between the shrinkage conduction case, the diapire right side has set firmly energy battery in the installation cavity.

2. The temperature-adjustable device for the power system of the electric automobile according to claim 1, characterized in that: the power device is including setting up in the driving motor that adjusts the temperature of power intracavity right wall, the driving motor left end power connection that adjusts the temperature is equipped with the driving shaft, fixed connection is equipped with fan driving pulley on the driving shaft, fan driving pulley with connect through fan drive belt normal running fit between the fan driven pulley, the driving shaft left end is fixed and is equipped with the ventilation driving pulley, power chamber left side is equipped with the transmission chamber, power intracavity left side wall rotates to be equipped with and extends to left the transmission shaft of transmission intracavity, the transmission shaft right-hand member has set firmly the ventilation driven pulley, the ventilation driving pulley with it connects through ventilation drive belt normal running fit between the ventilation driven pulley.

3. The temperature-adjustable device for the power system of the electric automobile according to claim 1, characterized in that: the transmission device also comprises a thermal expansion block arranged on the upper end surface of the motor, a rotating slide block cavity is arranged below the bottom wall of the transmission cavity, a mandril rotating shaft extending downwards into the rotating slide block cavity is rotatably arranged on the bottom wall of the transmission cavity, the lower end of the mandril rotating shaft is abutted against the upper end surface of the thermal expansion block, a rotating slide block is arranged in the rotating slide block cavity in a sliding and rotating way, the rotating slide block is fixedly connected with the mandril rotating shaft, a thermal expansion return spring is fixedly arranged on the upper end surface of the rotating slide block, a linkage gear is fixedly arranged at the upper end of the mandril rotating shaft, a driving bevel gear is fixedly arranged at the left end of the driving shaft, a shaft supporting arm is fixedly arranged on the right wall in the transmission cavity, a first rotating shaft extending up and down is rotatably arranged on the shaft supporting arm, a driven bevel gear is fixedly, the top of the top wall in the transmission cavity is provided with a bevel gear cavity, the top wall in the transmission cavity rotates to be provided with a second rotating shaft which extends upwards to the bevel gear cavity, the lower end of the second rotating shaft rotates to be provided with a driven gear, the upper end of the second rotating shaft rotates to be provided with a fan driving bevel gear, the ventilation rotating shaft is provided with a fan driven bevel gear, the bevel gear cavity is fixedly provided with the fan driven bevel gear in a meshed mode, the fan driving bevel gear is connected with the fan driven bevel gear in a meshed mode, the left side of the fan driven bevel gear is fixedly provided with a first belt wheel, a drainage fan support is fixedly arranged in the inner wall of the machine body in the front and at the back, a drainage fan is fixedly arranged on the drainage fan support.

4. The temperature-adjustable device for the power system of the electric automobile according to claim 1, characterized in that: the ventilating device comprises a first bevel gear fixedly connected with the left end of the ventilating rotating shaft, a ventilating device mounting groove is arranged on the inner rear wall of the left side of the machine body, a toothed block chute is arranged on the inner rear wall of the ventilating device mounting groove, a ventilating shaft is rotatably arranged on the inner rear wall of the toothed block chute, a second bevel gear is fixedly arranged on the upper end of the ventilating shaft and is in meshed connection with the first bevel gear, a ventilating gear is fixedly arranged on the ventilating shaft, an O-shaped inner meshing toothed block is slidably arranged in the toothed block chute, the ventilating gear is in meshed connection with the O-shaped inner meshing toothed block, a toothed block push rod is fixedly arranged at the lower end of the O-shaped inner meshing toothed block, five groups of fan blade connecting rods are rotatably arranged on the toothed block push rod, a fan blade mounting base is fixedly arranged on the inner rear wall of the ventilating device mounting groove, and five groups of fan, the fan blade rotating shaft is fixedly provided with a ventilating fan blade, and the fan blade connecting rod is fixedly connected with the fan blade rotating shaft.