CN109733213B

CN109733213B - Battery of electric automobile

Info

Publication number: CN109733213B
Application number: CN201910033145.4A
Authority: CN
Inventors: 陈志君
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-14
Filing date: 2019-01-14
Publication date: 2020-08-11
Anticipated expiration: 2039-01-14
Also published as: CN109733213A

Abstract

The invention discloses an electric automobile battery, which comprises a main shell, an air inlet pipeline and a plurality of quick-break structures, wherein the air inlet pipeline is arranged on the main shell; the top of the main shell is provided with a starting cylinder body, an amplifying cylinder body and a cutoff cylinder body; a starting main piston is arranged in the starting cylinder body, a starting piston rod is arranged on the starting main piston, and a starting counterweight body is arranged on the starting piston rod; an amplifying main piston is arranged in the amplifying cylinder body, an amplifying piston rod is arranged on the amplifying main piston, and a driving push plate is arranged on the amplifying piston rod; the cutoff cylinder body is internally provided with a cutoff main piston which is provided with a cutoff piston rod, and the cutoff piston rod is provided with a driven push plate which can be pushed by the driving push plate. The invention has the beneficial effects that: can introduce the air current at the driving in-process in the front to possessed and utilized the air to carry out automatic radiating ability, and can close heat dissipation channel when electric automobile emergency brake, can promote the security with the rapid increase driving resistance.

Description

Battery of electric automobile

Technical Field

The invention belongs to the technical field of electric automobiles, and particularly relates to an electric automobile battery.

Background

The electric vehicle (BEV) is a future development direction, and the electric vehicle is a vehicle which takes a vehicle-mounted power supply (battery) as power and drives wheels by a motor, and meets various requirements of road traffic and safety regulations. Because the influence on the environment is smaller than that of the traditional automobile, the prospect is widely seen. In the driving process of the electric automobile, the battery can generate heat, and if the heat is not dissipated and dissipated in time, the temperature of the battery is too high, so that the working effect and the service life of the battery are easily influenced.

Disclosure of Invention

The invention provides an electric automobile battery, which can introduce airflow from the front in the driving process, thereby having the capability of automatically radiating heat by using air, and can close a heat radiating channel to quickly increase driving resistance when an electric automobile is braked suddenly, so that the safety can be improved.

A battery of an electric automobile comprises a main shell and a plurality of battery monomers arranged in the main shell, wherein the main shell comprises a front side plate, a rear side plate, a left side plate, a right side plate, a top plate and a bottom plate;

the main shell is internally provided with a transverse vertical partition plate, the transverse vertical partition plate divides the interior of the main shell into a front bin and a rear battery bin for containing a battery monomer, the front bin is positioned between the head of the electric vehicle and the rear battery bin, the rear battery bin is internally provided with a plurality of longitudinal vertical partition plates which are arranged in parallel, a battery cavity is formed between every two adjacent longitudinal vertical partition plates, a battery cavity is formed between the left side plate and the adjacent longitudinal vertical partition plate, a battery cavity is formed between the right side plate and the adjacent longitudinal vertical partition plate, and the number of the battery monomers in each battery cavity is at least one;

the electric vehicle air inlet filter screen is arranged in the front bin, the rear side plate is provided with a plurality of rear air outlets which are in one-to-one correspondence with the battery cavities, the rear air outlets are communicated with the corresponding battery cavities, and the rear air outlets are provided with air outlet filter screens;

the main internal a plurality of and the quick outage structure of battery chamber one-to-one that is equipped with of main casing, in battery chamber and the quick outage structure that corresponds: the quick-breaking structure comprises a front through hole, an inner column, a support and an inner inflatable sealing ring, wherein the front through hole is formed in the transverse vertical partition plate and is communicated with the interior of the battery cavity;

the top of the main shell is provided with a starting cylinder body, an amplifying cylinder body and a cutoff cylinder body;

a starting main piston in sliding sealing fit with the starting cylinder body is arranged in the starting cylinder body, the starting main piston divides the inside of the starting cylinder body into a starting solid cavity and a starting zero cavity communicated with the atmosphere, a starting piston rod penetrating through the starting zero cavity is arranged on the starting main piston, a starting counterweight body in sliding connection with the main shell body is arranged on the starting piston rod, a starting reset spring sleeved on the starting piston rod is arranged between the starting counterweight body and the starting cylinder body, one end of the starting reset spring is connected with the starting counterweight body, and the other end of the starting reset spring is connected with the starting cylinder body;

an amplifying main piston in sliding sealing fit with the amplifying cylinder body is arranged in the amplifying cylinder body, the amplifying main piston divides the inner part of the amplifying cylinder body into an amplifying solid cavity and an amplifying zero cavity communicated with the atmosphere, an amplifying piston rod penetrating through the amplifying zero cavity is arranged on the amplifying main piston, a driving push plate is arranged on the amplifying piston rod and is in sliding connection with the main shell, the starting solid cavity is communicated with the amplifying solid cavity through an opening pipe, the starting solid cavity, the amplifying solid cavity and the opening pipe are filled with hydraulic oil, and the cross-sectional area of the amplifying main piston is 2-20 times that of the starting main piston;

the cutoff cylinder body is internally provided with a cutoff main piston which is in sliding sealing fit with the cutoff cylinder body, the cutoff main piston divides the interior of the cutoff cylinder body into a cutoff real cavity and a cutoff zero cavity communicated with the atmosphere, the cutoff main piston is provided with a cutoff piston rod penetrating through the cutoff zero cavity, a cutoff reset spring is arranged in the cutoff real cavity, one end of the cutoff reset spring is connected with the cutoff main piston, the other end of the cutoff reset spring is connected with the cutoff cylinder body, the cutoff piston rod is provided with a driven push plate which can be pushed by the driving push plate, the driven push plate is in sliding connection with the main shell, a margin gap is formed between the driving push plate and the driven push plate, the inner filling gas sealing ring is communicated with the cutoff real cavity through an inner gas pipe, and the inner filling gas sealing ring is positioned in;

the electric automobile headstock, start real chamber, start zero chamber and start the counter weight body and arrange along electric automobile fore-and-aft direction in proper order, and electric automobile headstock, the real chamber of the cutout, the zero chamber of the cutout, passive push pedal, initiative push pedal, enlarge zero chamber and enlarge real chamber and arrange along electric automobile fore-and-aft direction in proper order.

Preferably, a dust exhaust cylinder body is arranged at the top of the main shell body, a dust exhaust main piston which is in sliding sealing fit with the dust exhaust cylinder body is arranged in the dust exhaust cylinder body, the dust exhaust main piston divides the interior of the dust exhaust cylinder body into a dust exhaust solid cavity and a dust exhaust zero cavity communicated with the atmosphere, a dust exhaust piston rod which penetrates through the dust exhaust zero cavity is arranged on the dust exhaust main piston, a dust exhaust reset spring is arranged in the dust exhaust zero cavity, one end of the dust exhaust reset spring is connected with the dust exhaust main piston, the other end of the dust exhaust reset spring is connected with the dust exhaust cylinder body, the dust exhaust solid cavity is communicated with the cut-off solid cavity through a dust exhaust air pipe, a top hole communicated with the front cabin is arranged at the top of the main shell body, a bottom hole communicated with the front cabin is arranged at the bottom of the main shell body, an opening and closing door for sealing the bottom hole is arranged at the bottom of the main shell body, a vertical ejector rod for opening and closing the door at the top, in the front-rear direction of the electric automobile: the bottom hole is positioned between the air inlet filter screen and the electric automobile head.

Preferably, a dust exhaust limiting body arranged above the dust exhaust main piston is arranged in the dust exhaust solid cavity, and when the door plate of the opening and closing door is in a closed state: the dust exhaust limiting body is contacted with the dust exhaust main piston; when the door plate of the opening and closing door is in an opening state: the dust exhaust limiting body is separated from the dust exhaust main piston; the bottom of the vertical ejector rod is always contacted with the door plate of the opening and closing door.

Preferably, the switching door includes the door-hinge with main casing body articulated, sets up door plant and the cover of door epaxial torsional spring at the door, and the door plant is close to one side of electric automobile locomotive and is fixed with the door-hinge, and the door plant is connected to torsional spring one end, and the main casing body is connected to the torsional spring other end.

Preferably, the main shell is provided with an elastic limit plate, and the starting counterweight body is positioned between the elastic limit plate and the starting cylinder body.

Preferably, the vertical ejector rod is provided with a steel wire brush for scraping and brushing the air inlet filter screen, and when the door plate of the opening and closing door is in a closed state: the steel wire brush is arranged in the top hole.

The invention has the beneficial effects that: the air flow can be introduced from the front in the driving process, so that the capability of automatically radiating heat by using air is realized, the heat radiating channel can be closed to quickly increase the driving resistance when the electric automobile is braked suddenly, and the safety can be improved; possess inside dust clearance and discharge function, can avoid the excessive deposition in air inlet filter screen surface to can effectively ensure the radiating effect.

Drawings

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

FIG. 2 is a schematic view of the enlarged cylinder of the present invention;

FIG. 3 is a schematic view of the structure at the cutout cylinder of the present invention;

FIG. 4 is a schematic view of the present invention at the starting cylinder;

FIG. 5 is a schematic view of the structure of the dust exhaust cylinder of the present invention;

FIG. 6 is an enlarged view at A in FIG. 1;

FIG. 7 is an enlarged view at B in FIG. 1;

FIG. 8 is a schematic view of a portion of the present invention;

fig. 9 is an enlarged view at C in fig. 8.

Reference numerals: the device comprises a main shell 1, a front side plate 1.1, a rear side plate 1.2, a left side plate 1.3, a right side plate 1.4, a top plate 1.5, a bottom plate 1.6, a front bin 1a, a battery cavity 1b, a top hole 1c, a bottom hole 1d, an air inlet filter screen 11, an elastic limiting plate 12, a transverse vertical partition plate 2, a front through hole 2a, an inner column 21, a support 22, an inner inflation sealing ring 23, a longitudinal vertical partition plate 3, a starting cylinder 4, a starting real cavity 4a, a starting zero cavity 4b, a starting main piston 41, a starting piston rod 42, a starting counterweight 43, a starting reset spring 44, an amplifying cylinder 5, an amplifying real cavity 5a, an amplifying zero cavity 5b, an amplifying main piston rod 52, a driving push plate 53, a cutoff cylinder body 6, a cutoff real cavity 6a, a cutoff zero cavity 6b, a cutoff main piston 61, a cutoff piston rod 62, a cutoff reset spring 63, a driven push plate 64, a dust exhaust cylinder body 7, a dust exhaust real cavity 7b, a, The dust exhaust device comprises a dust exhaust main piston 71, a dust exhaust piston rod 72, a vertical ejector rod 721, a steel wire brush 722, a dust exhaust return spring 73, a dust exhaust limiting body 74, an opening and closing door 8, a door shaft 81 and a door panel 82.

Detailed Description

The invention is further described with reference to the following figures and detailed description.

As shown in figures 1 to 9 of the drawings,

a kind of battery of electric car, including main body casing 1 and a plurality of battery monomer that set up in main body casing, the main body casing includes the front panel 1.1, the rear panel 1.2, the left side board 1.3, the right side board 1.4, roof 1.5 and bottom plate 1.6;

a transverse vertical partition plate 2 is arranged in the main shell, the transverse vertical partition plate divides the interior of the main shell into a front bin 1a and a rear battery bin for containing battery monomers, the front bin is positioned between the head of the electric vehicle and the rear battery bin, a plurality of longitudinal vertical partition plates 3 which are arranged in parallel are arranged in the rear battery bin, a battery cavity 1b is formed between every two adjacent longitudinal vertical partition plates, a battery cavity 1b is formed between the left side plate and the adjacent longitudinal vertical partition plate, a battery cavity 1b is formed between the right side plate and the adjacent longitudinal vertical partition plate, and the number of the battery monomers in each battery cavity is at least one;

the electric vehicle air inlet filter is characterized by further comprising an air inlet pipeline arranged in a cabin of the electric vehicle head, a plurality of front air inlets communicated with the air inlet pipeline are formed in the front side plate, an air inlet filter screen 11 is arranged in the front cabin, a plurality of rear air outlets in one-to-one correspondence with the battery cavities are formed in the rear side plate, the rear air outlets are communicated with the corresponding battery cavities, and an air outlet filter screen is arranged on the rear air outlets;

the main internal a plurality of and the quick outage structure of battery chamber one-to-one that is equipped with of main casing, in battery chamber and the quick outage structure that corresponds: the quick-breaking structure comprises a front through hole 2a which is arranged on the transverse vertical partition plate and is communicated with the interior of the battery cavity, an inner column 21 which penetrates through the front through hole, a support 22 fixed in the battery cavity and an inner inflatable sealing ring 23 sleeved on the inner column, wherein the inner column is fixed with the support;

the top of the main shell is provided with a starting cylinder 4, an amplifying cylinder 5 and a cut-off cylinder 6;

a starting main piston 41 which is in sliding sealing fit with the starting cylinder body is arranged in the starting cylinder body, the starting main piston divides the inside of the starting cylinder body into a starting solid cavity 4a and a starting zero cavity 4b communicated with the atmosphere, a starting piston rod 42 which penetrates through the starting zero cavity is arranged on the starting main piston, a starting counterweight body 43 which is in sliding connection with the main shell body is arranged on the starting piston rod, a starting reset spring 44 which is sleeved on the starting piston rod is arranged between the starting counterweight body and the starting cylinder body, one end of the starting reset spring is connected with the starting counterweight body, and the other end of the starting reset spring is connected;

an amplifying main piston 51 matched with the amplifying cylinder body in a sliding and sealing manner is arranged in the amplifying cylinder body, the amplifying main piston divides the inner part of the amplifying cylinder body into an amplifying solid cavity 5a and an amplifying zero cavity 5b communicated with the atmosphere, an amplifying piston rod 52 penetrating through the amplifying zero cavity is arranged on the amplifying main piston, a driving push plate 53 is arranged on the amplifying piston rod and is in sliding connection with the main shell, the starting solid cavity is communicated with the amplifying solid cavity through an opening and releasing pipe, the starting solid cavity, the amplifying solid cavity and the opening and releasing pipe are filled with hydraulic oil, and the cross-sectional area of the amplifying main piston is 2-20 times that of the starting main piston;

a cutoff main piston 61 in sliding sealing fit with the cutoff cylinder body is arranged in the cutoff cylinder body, the cutoff main piston divides the interior of the cutoff cylinder body into a cutoff real cavity 6a and a cutoff zero cavity 6b communicated with the atmosphere, a cutoff piston rod 62 penetrating through the cutoff zero cavity is arranged on the cutoff main piston, a cutoff reset spring 63 is arranged in the cutoff real cavity, one end of the cutoff reset spring is connected with the cutoff main piston, the other end of the cutoff reset spring is connected with the cutoff cylinder body, a driven push plate 64 capable of being pushed by the driving push plate is arranged on the cutoff piston rod, the driven push plate is in sliding connection with the main shell, a margin gap is formed between the driving push plate and the driven push plate, an internal charging sealing ring is communicated with the cutoff real cavity through an internal air pipe, and the internal charging sealing ring is positioned in the front through hole;

When electric automobile went, the air current in electric automobile the place ahead got into the air inlet pipeline, then got into preceding air intake, got into after the air inlet filter screen in the leading storehouse again and got into each battery chamber from each preceding through-hole (the preceding through-hole of not sealing at ordinary times of filling the gas seal circle in) to discharge from the back air outlet, this in-process, some heat is taken away to the air current, realizes the heat dissipation function, and dust, impurity then are by the air inlet filter screen separation, can not cause the influence to the electric automobile battery. When the emergency brake is performed, it is described that the electric automobile needs to be decelerated urgently, in the embodiment, during the emergency brake, the starting counterweight body moves towards the direction of the automobile head quickly, the starting main piston is driven to move towards the direction of the automobile head, a part of hydraulic oil in the starting solid cavity enters the amplifying solid cavity, so that the amplifying main piston is driven to move, the driving push plate moves towards the driven push plate, the driven push plate drives the main piston of the cutoff cylinder body to move towards the direction of the automobile head, a part of gas in the cutoff solid cavity enters each inner inflatable sealing ring, the inner inflatable sealing rings inflate and bulge, and the front through hole is sealed, at the moment, the airflow cannot normally enter the battery cavity, the driving resistance is increased, and the braking deceleration can be. Subsequently, the structures are reset under the action of a starting reset spring, a cut-off reset spring and the like.

The amplifying cylinder body utilizes the Pascal principle, and the force amplification is realized by the expansion of the piston section (the brake pump of the fuel automobile and the like also utilize the principle).

It should be noted that when the brake is lightly stepped on, due to insufficient inertia force, although the starting counterweight body can also move towards the vehicle head and the active push plate can also move towards the passive push plate, the moving distance is insufficient, and the active push plate can not contact with the passive push plate, so that the inner inflation sealing ring can not be inflated and expanded. When the acceleration reaches the value during braking, the active push plate can contact the passive push plate, so that the setting can be carried out according to the requirement (the result can be obtained through limited experiments or calculation), and the function can be normally realized without very precise limitation.

The dust discharging device is characterized in that a dust discharging cylinder body 7 is arranged at the top of the main shell body, a dust discharging main piston 71 matched with the dust discharging cylinder body in a sliding and sealing mode is arranged in the dust discharging cylinder body, the dust discharging main piston separates the inside of the dust discharging cylinder body into a dust discharging real cavity 7a and a dust discharging zero cavity 7b communicated with the atmosphere, a dust discharging piston rod 72 penetrating through the dust discharging zero cavity is arranged on the dust discharging main piston, a dust discharging reset spring 73 is arranged in the dust discharging zero cavity, one end of the dust discharging reset spring is connected with the dust discharging main piston, the other end of the dust discharging reset spring is connected with the dust discharging cylinder body, the dust discharging real cavity is communicated with the cut-off real cavity through a dust discharging air pipe, a top hole 1c communicated with the front cavity is arranged at the top of the main shell body, a bottom hole 1d communicated with the front cavity is arranged at the bottom of the main shell body, an opening and closing door 8 used for sealing the bottom hole is arranged at, Zero chamber of dust exhaust and apical pore arrange from top to bottom in proper order, in electric automobile front rear direction: the bottom hole is positioned between the air inlet filter screen and the electric automobile head. During emergency braking, a part of gas in the cutoff real cavity enters each inner inflatable sealing ring, and simultaneously, a part of gas in the cutoff real cavity enters the dust exhaust real cavity, so that a dust exhaust main piston, a dust exhaust piston rod and a vertical ejector rod move downwards, the opening and closing door is pushed open by the vertical ejector rod, a part of heat dissipation airflow does not enter each battery cavity at the moment, but is discharged downwards from a bottom hole and backwards, in the discharging process, most dust on an air inlet filter screen and falling from the air inlet filter screen can be taken away, so that the automatic cleaning of the dust is realized, and the problems that the air inlet filter screen cannot smoothly enter air due to excessive dust accumulation and the cooling effect is reduced are solved. And the door plate opened downwards automatically becomes a choke plate (equivalent to the effect of an expanded automobile tail wing), so that the speed reduction can be effectively assisted, the braking distance is reduced, and the safety is improved.

The dust exhaust solid cavity is internally provided with a dust exhaust limiting body 74 which is positioned above the dust exhaust main piston, and when the door plate of the opening and closing door is in a closed state: the dust exhaust limiting body is contacted with the dust exhaust main piston; when the door plate of the opening and closing door is in an opening state: the dust exhaust limiting body is separated from the dust exhaust main piston; the bottom of the vertical ejector rod is always contacted with the door plate of the opening and closing door. The dust exhaust limiting body can limit the position of the dust exhaust main piston, and the stability of the whole structure is improved.

The switching door includes with main casing body articulated door-hinge 81, set up door plant 82 and the cover of door epaxial torsional spring at the door, and the door plant is close to one side of electric automobile locomotive and is fixed with the door-hinge, and the door plant is connected to torsional spring one end, and the main casing body is connected to the torsional spring other end. The torsional spring can guarantee that the opening and closing door is in a closed state, and only the vertical ejector rod moves downwards can temporarily jack the bottom hole (the opening and closing door).

The main shell is provided with an elastic limit plate 12, and the starting counterweight body is positioned between the elastic limit plate and the starting cylinder body. The elastic limiting plate can realize limiting and can perform buffering protection.

The vertical ejector rod is provided with a steel wire brush 722 for scraping and brushing the air inlet filter screen, and when the door plate of the opening and closing door is in a closed state: the steel wire brush is arranged in the top hole. The vertical ejector rod moves downwards and drives the steel wire brush to move downwards when the opening and closing door is pushed open, so that the surface of the air inlet filter screen is scraped, and dust and impurities scraped from the surface of the air inlet filter screen can be discharged from the temporarily opened bottom hole.

Claims

1. A battery of an electric automobile comprises a main shell and a plurality of battery monomers arranged in the main shell, wherein the main shell comprises a front side plate, a rear side plate, a left side plate, a right side plate, a top plate and a bottom plate; it is characterized in that the utility model is characterized in that,

the electric automobile head, the solid starting cavity, the zero starting cavity and the balance weight body are sequentially arranged along the front-back direction of the electric automobile, and the electric automobile head, the solid cutoff cavity, the zero cutoff cavity, the passive push plate, the active push plate, the zero amplifying cavity and the real amplifying cavity are sequentially arranged along the front-back direction of the electric automobile;

the dust exhaust device is characterized in that a dust exhaust cylinder body is arranged at the top of the main shell body, a dust exhaust main piston which is in sliding sealing fit with the dust exhaust cylinder body is arranged in the dust exhaust cylinder body, the dust exhaust main piston separates the interior of the dust exhaust cylinder body into a dust exhaust real cavity and a dust exhaust zero cavity communicated with the atmosphere, a dust exhaust piston rod which penetrates through the dust exhaust zero cavity is arranged on the dust exhaust main piston, a dust exhaust reset spring is arranged in the dust exhaust zero cavity, one end of the dust exhaust reset spring is connected with the dust exhaust main piston, the other end of the dust exhaust reset spring is connected with the dust exhaust cylinder body, the dust exhaust real cavity is communicated with the cut-off real cavity through a dust exhaust air pipe, a top hole communicated with the front cabin is arranged at the top of the main shell body, a bottom hole communicated with the front cabin is arranged at the bottom of the main shell body, an opening and closing door for sealing the bottom hole is arranged at the bottom of the main shell body, a vertical ejector rod, in the front-rear direction of the electric automobile: the bottom hole is positioned between the air inlet filter screen and the electric automobile head;

the switching door includes with main casing body articulated door-hinge, set up door plant and the cover of door epaxial torsional spring at the door, and one side that the door plant is close to the electric automobile locomotive is fixed with the door-hinge, and the door plant is connected to torsional spring one end, and the main casing body is connected to the torsional spring other end.

2. The battery of claim 1, wherein the dust exhaust solid chamber is internally provided with a dust exhaust limiting body above the dust exhaust main piston, and when the door plate of the opening and closing door is in a closed state: the dust exhaust limiting body is contacted with the dust exhaust main piston; when the door plate of the opening and closing door is in an opening state: the dust exhaust limiting body is separated from the dust exhaust main piston; the bottom of the vertical ejector rod is always contacted with the door plate of the opening and closing door.

3. The battery of claim 1 or 2, wherein the main housing is provided with an elastic limit plate, and the starting weight body is located between the elastic limit plate and the starting cylinder body.

4. The battery of claim 1, wherein the vertical post rod is provided with a steel wire brush for scraping and brushing an air inlet filter screen, and when the door plate of the opening and closing door is in a closed state: the steel wire brush is arranged in the top hole.