CN110962559B - Temperature adjustable device for power system of electric automobile - Google Patents

Abstract

The invention discloses a temperature-adjusting device for an electric vehicle power system, comprising a body and an installation cavity arranged in the end face of the bottom of the body. A power device is arranged in the power cavity, a motor is fixed on the top wall of the installation cavity, a transmission device is arranged above the motor, and a ventilation device is symmetrically arranged on the left and right walls of the fuselage; the device has a simple mechanism and is easy to use. , to realize the automatic cooling, automatic ventilation and automatic heating of the electric vehicle's internal power system, which greatly improves the safety performance of the electric vehicle. The use efficiency of the battery ensures the stability of the battery life of the electric vehicle. The device has a low cost and can be popularized in most electric vehicle manufacturers to save production costs for business owners.

Description

An electric vehicle power system temperature adjustable device

technical field

The invention relates to the technical field of electric vehicle production, in particular to an electric vehicle power system temperature adjusting device.

Background technique

During the driving of an electric vehicle, the temperature of the internal power unit of the electric vehicle will not only change due to the working state, but also be affected by the external environment. If it is not protected, it will affect the safety performance and endurance of the electric vehicle, so we need to The temperature of the power unit inside the electric vehicle is adjusted, while the general electric vehicle power unit only has a cooling device inside, which is single and has great drawbacks and needs to be improved.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an electric vehicle power system temperature adjustment device for overcoming the above-mentioned defects in the prior art.

An electric vehicle power system temperature adjustment device according to the present invention includes a body and an installation cavity disposed in the bottom end face of the body, a power cavity is provided in the top wall of the installation cavity, and the power cavity is A power device is provided, a motor is fixed on the top wall of the installation cavity, and a transmission device is arranged above the motor. The transmission device includes a ventilation rotating shaft arranged in the body and extending left and right. The left and right walls of the body are symmetrically provided with ventilation devices, the front and rear walls of the installation cavity are fixedly provided with a battery located below the motor, and the installation cavity is provided with a fan device, the fan device includes a fixed set in the installation cavity. The fan support arm in the inner front and rear inner walls, the left end face of the fan support arm is fixed with a fan casing, the fan support arm is rotated with a fan rotating shaft extending leftward into the fan casing, the fan rotating shaft A fan driven pulley is fixed at the right end, a fan is fixed at the left end of the fan shaft, a thermistor is fixed in the fan casing and located on the left side of the fan, and the front and rear walls of the installation cavity are located in the A cold-shrink conduction box is fixed under the fan casing, a concave conduction block is symmetrically arranged in the cold-shrink conduction box, and a cold-shrinkage block is arranged in the groove between the concave conduction blocks. The left and right walls of the box are symmetrically provided with spring cavities, the left end face of the concave conducting block and the left wall of the spring cavity are fixedly connected by a cold-shrink return spring, and the thermistor and the cold-shrink conduction box are connected by wires , an energy battery is fixed on the right side of the bottom wall of the installation cavity.

On the basis of the above technical solution, the power device includes a temperature-adjusting drive motor disposed on the right wall of the power chamber, the left end of the temperature-adjusting drive motor is powered with a drive shaft, and the drive shaft is fixedly connected with a drive shaft. Fan driving pulley, the fan driving pulley and the fan driven pulley are connected by a fan drive belt for rotation and cooperation, the left end of the driving shaft is fixedly provided with a ventilation driving pulley, and the left side of the power chamber is provided with a transmission The left wall of the power cavity is rotatably provided with a transmission shaft extending to the left into the transmission cavity, the right end of the transmission shaft is fixed with a ventilation driven pulley, and the ventilation driving pulley is connected with the ventilation slave. The moving pulleys are connected by rotation and fit through the ventilation transmission belt.

On the basis of the above technical solution, the transmission device further includes a thermal expansion block disposed on the upper end face of the motor, a rotating slider cavity is provided under the bottom wall of the transmission cavity, and the bottom wall of the transmission cavity is rotated with a downward A mandrel rotating shaft extending into the rotating slider cavity, the lower end of the mandrel rotating shaft is in contact with the upper end surface of the thermal expansion block, a rotating slider is provided in the rotating slider cavity to slide and rotate, and the rotating The sliding block is fixedly connected to the shaft of the mandrel, the upper end surface of the rotating slider is fixed with a thermal expansion return spring, the upper end of the shaft of the mandrel is fixed with a link gear, and the left end of the transmission shaft is fixed with a driving bevel gear , a shaft support arm is fixed on the right wall of the transmission cavity, the shaft support arm is rotated with a first rotating shaft extending up and down, a driven bevel gear is fixed at the lower end of the rotating shaft, and the driven bevel gear It is meshed and connected with the driving bevel gear, the upper end of the rotating shaft is fixed with a driving gear, a bevel gear cavity is arranged above the inner top wall of the transmission cavity, and the inner top wall of the transmission cavity is rotated and extends upward into the bevel gear cavity. The second rotating shaft, the lower end of the second rotating shaft rotates with a driven gear, the upper end of the second rotating shaft rotates with a fan drive bevel gear, and the ventilation rotating shaft and located in the bevel gear cavity is fixed with a fan from the fan. A moving bevel gear, the fan driving bevel gear is meshed with the fan driven bevel gear, and a first pulley is fixed on the left side of the fan driven bevel gear and located on the ventilation rotating shaft. A drainage fan bracket is fixed in the inner front and rear inner walls, a drainage fan is fixed on the drainage fan bracket, and the first pulley and the drainage fan are rotatably connected by a drainage transmission belt.

Based on the above technical solutions, the ventilation device includes a first bevel gear fixedly connected to the left end of the ventilation rotating shaft, and a ventilation device installation groove is provided on the inner rear wall of the left side of the fuselage. The rear wall is provided with a tooth block chute, the inner rear wall of the tooth block chute is rotatably provided with a ventilation shaft, the upper end of the ventilation shaft is fixed with a second bevel gear, the second bevel gear and the first bevel gear meshing connection, a ventilation gear is fixed on the ventilation shaft, an O-shaped internal meshing gear block is slidably arranged in the gear block chute, the ventilation gear is meshed with the O-shaped internal meshing gear block, and the O-shaped internal meshing gear block is meshed and connected. The lower end of the inner meshing tooth block is fixed with a tooth block push rod, and five groups of fan blade connecting rods are rotated on the tooth block push rod. Five groups of fan blade rotating shafts are fixed on the front end surface of the fan blade installation base, ventilation fan blades are fixed on the fan blade rotating shaft, and the fan blade connecting rod is fixedly connected with the fan blade rotating shaft.

The beneficial effects of the invention are as follows: the device is simple in structure and easy to use, realizes automatic cooling, automatic ventilation and automatic heating of the internal power system of the electric vehicle, greatly improves the safety performance of the electric vehicle, and simultaneously adjusts the temperature of the internal power system of the electric vehicle. All have mechanical control at all times to make the motor work normally, improve the use efficiency of the battery of the electric vehicle, and ensure the stability of the battery life of the electric vehicle. The cost of this device is low, and it can be promoted in most electric vehicle manufacturers. Save production costs.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some of the present invention. In the embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

1 is a schematic structural diagram of a gear deburring device of the present invention;

Fig. 2 is the structural representation at A-A in Fig. 1 of the present invention;

Fig. 3 is the structural representation at B-B place in Fig. 2 of the present invention;

Fig. 4 is the enlarged schematic diagram at C in Fig. 1 of the present invention;

Fig. 5 is the structural representation at D-D place in Fig. 4 of the present invention;

FIG. 6 is an enlarged schematic view of the position E in FIG. 1 of the present invention.

Detailed ways

The present invention will be described in detail below in conjunction with Figures 1-6. For the convenience of description, the orientations mentioned below are now specified as follows: the up-down, left-right, front-rear directions mentioned below are consistent with the up-down, left-right, front-rear directions of the projection relationship of Figure 1 itself.

Referring to FIGS. 1-6 , an electric vehicle power system temperature adjustment device according to an embodiment of the present invention includes a body 7 and an installation cavity 61 disposed in the bottom end face of the body 7 . A power cavity 58 is provided in the top wall, a power device is provided in the power cavity 58, a motor 17 is fixed on the top wall of the installation cavity 61, and a transmission device is provided above the motor 17, and the transmission device includes a set of The ventilation rotating shaft 1 is arranged in the body 7 and extends left and right. The left and right walls of the body 7 are symmetrically provided with ventilation devices. Battery 8, a fan device is installed in the installation cavity 61, and the fan device includes a fan support arm 49 fixedly arranged in the front and rear inner walls of the installed cavity 61, and a fan casing is fixed on the left end surface of the fan support arm 49 48, the fan support arm 49 is rotatably provided with a fan shaft 50 extending to the left into the fan casing 48, the right end of the fan shaft 50 is fixed with a fan driven pulley 51, and the left end of the fan shaft 50 A fan 46 is fixedly installed, a thermistor 47 is fixed in the fan casing 48 and located on the left side of the fan 46 , and a thermistor 47 is fixed in the front and rear walls of the installation cavity 61 and located below the fan casing 48 . The cold-shrink conduction box 40 is provided with concave conduction blocks 43 symmetrically in the cold-shrink conduction box 40 , and cold-shrinkage blocks 44 are arranged in the grooves between the concave conduction blocks 43 . The wall is symmetrically provided with a spring cavity 42 , the left end face of the concave conducting block 43 and the inner left wall of the spring cavity 42 are fixedly connected by a cold shrink return spring 41 , the thermistor 47 and the cold shrink conduction box 40 are fixedly connected. Connected by wires 45 , an energy battery 9 is fixed on the right side of the inner bottom wall of the installation cavity 61 .

In addition, in one embodiment, the power device includes a temperature-adjusting drive motor 54 disposed on the inner right wall of the power chamber 58 , and a drive shaft 55 is connected to the left end of the temperature-adjustment drive motor 54 for power connection. The drive shaft The fan drive pulley 53 is fixedly connected on the 55, the fan drive pulley 53 and the fan driven pulley 51 are connected by the fan drive belt 52 for rotation and cooperation, and the left end of the drive shaft 55 is fixed with a ventilation drive belt. Wheel 59, the left side of the power cavity 58 is provided with a transmission cavity 60, the left wall of the power cavity 58 is rotated and provided with a transmission shaft 36 extending to the left into the transmission cavity 60, and the right end of the transmission shaft 36 is fixed There is a ventilated driven pulley 57 , and the ventilated drive pulley 59 and the ventilated driven pulley 57 are connected in a rotatable fit through a ventilated transmission belt 56 .

In addition, in one embodiment, the transmission device further includes a thermal expansion block 31 disposed on the upper end face of the motor 17 , a rotating slider cavity 38 is provided under the bottom wall of the transmission cavity 60 , and the bottom of the transmission cavity 60 is The wall rotation is provided with a push rod rotating shaft 28 extending downward into the rotating slider cavity 38 , the lower end of the push rod rotating shaft 28 is in contact with the upper end surface of the thermal expansion block 31 , and the rotating slider cavity 38 slides inside In addition, a rotating slider 30 is provided for rotation. The rotating slider 30 is fixedly connected with the ejector shaft 28. The upper end surface of the rotation slider 30 is fixedly provided with a thermal expansion return spring 29, and the upper end of the ejector shaft 28 is fixed. There is a linkage gear 27, a driving bevel gear 37 is fixed on the left end of the transmission shaft 36, a shaft support arm 34 is fixed on the inner right wall of the transmission cavity 60, and the shaft support arm 34 rotates with up and down extending The first rotating shaft 33, the lower end of the rotating shaft 33 is fixed with a driven bevel gear 35, the driven bevel gear 35 is meshed with the driving bevel gear 37, the upper end of the rotating shaft 33 is fixed with a driving gear 32, the transmission The inner top wall of the cavity 60 is provided with a bevel gear cavity 5, the inner top wall of the transmission cavity 60 is rotated and provided with a second rotating shaft 25 extending upward into the bevel gear cavity 5, and the lower end of the second rotating shaft 25 is rotated with a A driven gear 26, the upper end of the second rotating shaft 25 is provided with a fan drive bevel gear 24, and a fan driven bevel gear 23 is fixed on the ventilation rotating shaft 1 and located in the bevel gear cavity 5, and the fan drives The bevel gear 24 is meshed with the fan driven bevel gear 23 . The fan driven bevel gear 23 is fixed on the left side of the fan driven bevel gear 23 and is located on the ventilation rotating shaft 1 . A first pulley 39 is fixed. A drainage fan bracket 21 is fixed in the inner wall, and a drainage fan 20 is fixed on the drainage fan bracket 21 .

In addition, in one embodiment, the ventilation device includes a first bevel gear 3 fixedly connected to the left end of the ventilation rotating shaft 1 , the left inner rear wall of the fuselage 7 is provided with a ventilation device installation slot 6, and the The inner rear wall of the installation slot 6 of the ventilation device is provided with a tooth block chute 13, the inner rear wall of the tooth block chute 13 is rotatably provided with a ventilation shaft 12, and the upper end of the ventilation shaft 12 is fixed with a second bevel gear 2. The second bevel gear 2 is meshed with the first bevel gear 3 , the ventilation shaft 12 is fixedly provided with a ventilation gear 11 , and the gear block chute 13 is slidably provided with an O-shaped internal meshing gear block 10 . The ventilation gear 11 is meshed and connected with the O-shaped internal meshing tooth block 10 , a tooth block pushing rod 14 is fixed at the lower end of the O-shaped internal meshing tooth block 10 , and five groups of fan blades are rotated on the tooth block pushing rod 14 . A connecting rod 18, a fan blade installation base 19 is fixed on the inner rear wall of the ventilation device installation slot 6, and five sets of fan blade rotating shafts 15 are fixed on the front end surface of the fan blade installation base 19, and the fan blade rotates A ventilation fan blade 16 is fixed on the shaft 15 , and the fan blade connecting rod 18 is fixedly connected with the fan blade rotating shaft 15 .

In the initial state, the driven bevel gear 35 is meshed with the driving bevel gear 37, the interlocking gear 27 is not meshed with the driving gear 32 and the driven gear 26, and the fan driving bevel gear 24 is not meshed with the driving bevel gear 24. The fan driven bevel gear 23 is meshed, the second bevel gear 2 is meshed with the first bevel gear 3 , the thermal expansion return spring 29 is in a normal tension state, and the cold contraction return spring 41 is in a compressed state.

When temperature adjustment is required, the temperature adjustment drive motor 54 starts to drive the drive shaft 55 to rotate, and the drive shaft 55 passes through the fan drive pulley 53 , the fan drive belt 52 , and the fan driven pulley 51 . . The fan shaft 50 drives the fan 46 to rotate.

When the temperature is too high and needs to be lowered, the temperature-adjusting drive motor 54 starts to drive the driving shaft 55 to rotate, and the driving shaft 55 passes through the ventilation driving pulley 59 , the ventilation transmission belt 56 , and the ventilation driven belt The wheel 57 and the transmission shaft 36 drive the driving bevel gear 37 to rotate, and 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 high temperature , the thermal expansion of the thermal expansion block 31 pushes the 28 upward, the ejector shaft 28 drives the rotary slider 30 and the linkage gear 27 to move upward, and the thermal expansion return spring 29 is compressed, The interlocking gear 27 meshes with the driving gear 32 and the driven gear 26 , and the driving gear 32 passes through the interlocking gear 27 , the driven gear 26 , and the second shaft 25 , the fan driving bevel gear 24 and the fan driven bevel gear 23 drive the ventilation rotating shaft 1 to rotate, and the ventilation rotating shaft 1 drives the drainage through the drainage fan pulley 39 and the drainage transmission belt 22 The fan 20 rotates.

At the same time, 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, and the ventilation gear 11 drives the O-shaped internal meshing The tooth block 10 reciprocates, and the O-shaped inner meshing tooth block 10 drives the ventilation fan blade 16 to swing back and forth through the tooth block push rod 14, the fan blade connecting rod 18, and the fan blade rotating shaft 15. Exercise, the body begins to ventilate and drain to accelerate cooling.

When the temperature is too low and needs to be raised, the cold shrinkable block 44 shrinks due to the low temperature, the cold shrinkage return spring 41 resets and drives the concave conductive blocks 43 to contact each other, the wires 45 are connected, and the The thermistor 47 is connected to the energy battery 9, the thermistor 47 generates heat, and the fan casing 48 blows hot air to gradually heat up.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the present invention. within the scope of protection.

Claims (1)

1. An electric vehicle power system temperature adjustable device, comprising a fuselage and an installation cavity arranged in the end face of the bottom of the fuselage, characterized in that: a power cavity is provided in the top wall of the installation cavity, and the power A power device is arranged in the cavity, a motor is fixed on the top wall of the installation cavity, a transmission device is arranged above the motor, and the transmission device includes a ventilation rotating shaft arranged in the body and extending left and right, so The left and right walls of the fuselage are symmetrically provided with ventilation devices, the front and rear walls of the installation cavity are fixedly provided with a battery located below the motor, and the installation cavity is provided with a fan device, and the fan device includes The fan support arm in the front and rear inner walls of the installation cavity, the left end surface of the fan support arm is fixed with a fan casing, and the fan support arm is rotated with a fan shaft extending leftward into the fan casing. A fan driven pulley is fixed at the right end of the fan shaft, a fan is fixed at the left end of the fan shaft, a thermistor is fixed in the fan casing and located on the left side of the fan, and the front and rear walls of the installation cavity are fixed with a thermistor. A cold-shrinkable conduction box is fixed under the fan casing, and a concave conduction block is symmetrically arranged in the cold-shrink conduction box, and a cold-shrinkage block is arranged in the groove between the concave conduction blocks. The left and right walls of the shrink conduction box are symmetrically provided with spring cavities, the left end face of the concave conduction block and the left wall of the spring cavity are fixedly connected by a cold shrink return spring, and the thermistor and the cold shrink conduction box pass through The electric wires are connected, and an energy battery is fixed on the right side of the bottom wall of the installation cavity; the power device includes a temperature regulation drive motor arranged on the right wall of the power cavity, and the left end power connection of the temperature regulation drive motor is provided with an active A fan drive pulley is fixedly connected to the drive shaft, and the fan drive pulley and the fan driven pulley are connected by a fan drive belt for rotation and cooperation, and a ventilation drive belt is fixed at the left end of the drive shaft The left side of the power cavity is provided with a transmission cavity, the left wall of the power cavity is rotated with a transmission shaft extending to the left into the transmission cavity, and the right end of the transmission shaft is fixed with a ventilation driven pulley, The ventilating driving pulley and the ventilating driven pulley are rotatably connected by a ventilating transmission belt; the transmission device further includes a thermal expansion block arranged on the upper end face of the motor, and a bottom wall of the transmission cavity is provided with a thermal expansion block. The sliding block cavity is rotated, and the bottom wall of the transmission cavity is rotatably provided with a top rod rotating shaft extending downward into the rotating block cavity. The lower end of the top rod rotating shaft is in contact with the upper end surface of the thermal expansion block. A rotating slider is installed in the sliding block cavity to slide and rotate. The rotating slider is fixedly connected with the shaft of the ejector rod. The upper end surface of the rotation slider is fixed with a thermal expansion return spring, and the upper end of the shaft of the ejector rod is fixed There is a linkage gear, a driving bevel gear is fixed on the left end of the transmission shaft, a shaft support arm is fixed on the right wall of the transmission cavity, and a first rotating shaft extending up and down is arranged on the shaft support arm. A driven bevel gear is fixed at the lower end of the rotating shaft, the driven bevel gear is meshed with the driving bevel gear, a driving gear is fixed at the upper end of the rotating shaft, and a bevel gear cavity is arranged above the inner top wall of the transmission cavity. The top wall of the cavity is rotated with an upward extension to the The second rotating shaft in the bevel gear cavity, the lower end of the second rotating shaft rotates with a driven gear, the upper end of the second rotating shaft rotates with a fan drive bevel gear, the ventilation rotating shaft is located on the bevel gear cavity and is fixed. A fan driven bevel gear is provided, the fan driving bevel gear is meshed with the fan driven bevel gear, and a first pulley is fixed on the left side of the fan driven bevel gear and on the ventilation rotating shaft, A drainage fan bracket is fixed in the front and rear inner walls of the fuselage, a drainage fan is fixed on the drainage fan bracket, and the first pulley and the drainage fan are connected by rotation and cooperation with a drainage transmission belt; the ventilation The device includes a first bevel gear that is fixedly connected to the left end of the ventilation rotating shaft, a ventilation device installation slot is arranged on the inner rear wall of the left side of the fuselage, and a gear block chute is arranged on the inner rear wall of the ventilation device installation slot. The inner rear wall of the chute of the gear block is rotatably provided with a ventilation shaft, the upper end of the ventilation shaft is fixedly provided with a second bevel gear, the second bevel gear is meshed and connected with the first bevel gear, and the ventilation shaft is fixedly arranged. There is a ventilation gear, an O-shaped internal meshing tooth block is slidably arranged in the tooth block chute, the ventilation gear is meshed with the O-shaped internal meshing tooth block, and the lower end of the O-shaped internal meshing tooth block is fixed with teeth. There are five groups of fan blade connecting rods on the tooth block push rod, the fan blade installation base is fixed on the rear wall of the ventilation device installation groove, and the front end surface of the fan blade installation base is fixed There are five sets of fan blade rotating shafts, and ventilation fan blades are fixed on the fan blade rotating shafts, and the fan blade connecting rods are fixedly connected with the fan blade rotating shafts.

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