CN215487354U

CN215487354U - Anti-overheating braking device for new energy automobile

Info

Publication number: CN215487354U
Application number: CN202120692342.XU
Authority: CN
Inventors: 王毅; 唐国锋
Original assignee: Yantai Automobile Engineering Professional College
Current assignee: Yantai Automobile Engineering Professional College
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2022-01-11
Anticipated expiration: 2031-04-06

Abstract

The utility model discloses an anti-overheating brake device for a new energy automobile, which belongs to the field of automobile braking and comprises a barrel, wherein a plurality of longitudinal through grooves are formed in the barrel, a temperature sensor is arranged on the barrel, a temperature sensor circuit is connected with a PLC (programmable logic controller), the barrel is connected with a motor, a grooved wheel is fixedly installed at the output end of the motor, slide rails are arranged outside the through grooves, slide blocks are movably installed in the slide rails, and the inner sides of the slide blocks are fixedly connected with the outer ends of moving rods. This device is used for new energy automobile's braking process, mainly be used for monitoring the temperature on brake disc surface among the braking process, and can assist the brake disc heat dissipation when braking temperature is too high, prevent brake disc surface overheated, can also reduce brake disc surface temperature through the heat conduction stick when brake disc surface temperature is too high, when brake disc temperature is in normal temperature interval, the heat conduction stick is withdrawed inside the barrel, avoid the heat conduction stick to influence air and brake disc contact, and then influence the normal heat dissipation of brake disc self.

Description

Anti-overheating braking device for new energy automobile

Technical Field

The utility model belongs to the field of automobile braking, and particularly relates to an anti-overheating braking device for a new energy automobile.

Background

The new energy automobile mainly comprises a fuel cell electric automobile, a hybrid electric automobile, a hydrogen energy power automobile, a pure electric automobile, other new energy automobiles and the like, wherein a brake system of the hybrid electric automobile is formed by combining electromagnetic braking and traditional hydraulic braking, the hybrid electric automobile starts hydraulic braking to perform auxiliary braking when the electromagnetic braking cannot provide enough braking force, required braking force is complemented, the surface of a brake disc generates heat in the hydraulic braking process, if the surface of the brake disc cannot be cooled in time, the braking effect of the brake disc becomes poor, and the safety of personnel in the automobile is threatened.

SUMMERY OF THE UTILITY MODEL

The utility model provides an overheating-prevention braking device for a new energy automobile, which is used for overcoming the defects in the prior art.

The utility model is realized by the following technical scheme:

the utility model provides a new energy automobile is with preventing overheated arresting gear, the novel nipple rectifier comprises a cylindrical shel, set up the fore-and-aft logical groove of several on the barrel, be equipped with temperature sensor on the barrel, temperature sensor circuit connection PLC controller, the barrel is connected with the motor, the output shaft of motor runs through the barrel and rotates with the barrel to be connected, the output fixed mounting sheave of motor, it all is equipped with the slide rail to lead to the groove, the inner wall of the same ring of the equal fixed connection in outer end of slide rail, equal movable mounting slider in the slide rail, the outside of slider all is equipped with the press touch switch, the outer end of the equal fixed connection carriage release lever in inboard of slider, the inner of carriage release lever all is equipped with magnet, the carriage release lever all passes the logical groove that corresponds, the equal fixed connection in front side of carriage release lever's rear end, electric push rod all with PLC controller circuit connection, electric push rod's front end difference fixed connection heat conduction stick.

According to the overheating prevention brake device for the new energy automobile, the inner ends of the moving rods are polished to be smooth spherical surfaces.

According to the overheating-prevention braking device for the new energy automobile, the front end and the rear end of the cylinder are provided with the plurality of ventilation holes.

According to the overheating-prevention braking device for the new energy automobile, the electric push rods are all multi-stage electric push rods.

The utility model has the advantages that: the device is used for the braking process of a new energy automobile, is mainly used for monitoring the temperature of the surface of a brake disc in the braking process, can assist the brake disc to dissipate heat when the braking temperature is too high, and prevents the surface of the brake disc from being overheated, in the using process, a user fixes the device between a hub and the brake disc and ensures that a temperature sensor faces the brake disc, as a brake caliper is arranged on one side of the brake disc, the part of the device provided with a slide rail is required to be staggered with the position of a brake caliper when fixing the device, the user needs to set the temperature on a PLC (programmable logic controller) according to actual requirements, namely the highest temperature allowed by the surface of the brake disc on the premise of ensuring that the brake disc provides stable braking, and in the driving process of the automobile, when the temperature sensor detects that the temperature of the surface of the brake disc is not higher than the set temperature, the heat dissipation requirement can be met only through the heat dissipation of the brake disc per se, when the temperature sensor detects that the surface temperature of the brake disc is higher than a set temperature, the temperature sensor transmits a signal to the PLC controller, the PLC controller controls the motor to rotate, the motor rotates to drive the grooved pulley to rotate, the grooved pulley rotates to drive the sliding block to move outwards along the corresponding sliding rail, the sliding block moves outwards to drive the corresponding movable rod and the heat conducting rod to move outwards, when the sliding block moves to the outermost end of the sliding rail, the pressure contact switches on the sliding block are all opened, the heat conducting rods are all positioned outside the cylinder body, the PLC controller controls the motor to be closed, simultaneously controls the electric push rod to extend, when the electric push rod extends to the longest, the front end of the heat conducting rod just can be in contact with the surface of the brake disc, in the contact process, the heat conducting rod can transmit the heat on the surface of the brake disc to the heat conducting rod, so that the surface temperature of the brake disc is reduced by means of heat transfer, if the subsequent temperature sensor detects that the temperature of the brake disc is lower than the set temperature, the PLC controller control electric push rod shrink, the motor rotates, the sheave rotates, inside the heat conduction stick gets back to the barrel, this device can be at the temperature on vehicle driving in-process real time monitoring brake disc surface, avoid the brake disc overheated brake performance who influences the brake disc, can also reduce brake disc surface temperature through the heat conduction stick when brake disc surface temperature is too high, when brake disc temperature is in normal temperature interval, the heat conduction stick is got back inside the barrel, avoid the heat conduction stick to influence air and brake disc contact, and then influence the normal heat dissipation of brake disc self.

Drawings

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

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a view in the direction A of FIG. 1; FIG. 3 is a schematic view of the working state of the present invention; fig. 4 is a block diagram of the circuit configuration of the present invention.

Reference numerals: 1. the device comprises a cylinder body, 2, a temperature sensor, 3, a motor, 4, a grooved pulley, 5, a sliding rail, 6, a circular ring, 7, a sliding block, 8, a moving rod, 9, an electric push rod, 10, a heat conducting rod, 11, a through groove, 12 and a ventilation hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

An anti-overheating brake device for a new energy automobile comprises a barrel body 1, wherein the barrel body 1 is longitudinally arranged, a plurality of longitudinal through grooves 11 are formed in the barrel body 1, the through grooves 11 are distributed at the lower part of the barrel body 1 at intervals and used for communicating the inner part and the outer part of the barrel body 1, a temperature sensor 2 is arranged on the barrel body 1 and fixedly arranged in front of the barrel body 1, a temperature sensor 2 circuit is connected with a PLC (programmable logic controller) and fixedly arranged on the barrel body 1, the PLC is not shown in the figure, the barrel body 1 is connected with a motor 3 and fixedly arranged on the back of the barrel body 1 through a support and other structures, an output shaft of the motor 3 penetrates through the barrel body 1 and is rotatably connected with the barrel body 1, a specific rotating connection mode can be realized by using a bearing, a grooved pulley 4 is fixedly arranged at the output end of the motor 3, slide rails 5 are arranged outside the through grooves 11, the number of the slide rails 5 is the same as that of the through grooves 11, and the inner ends of the slide rails 5 are fixedly connected with the rear side of the periphery of the barrel body 1, the outer ends of the sliding rails 5 are fixedly connected with the inner wall of the same circular ring 6, sliding blocks 7 are movably mounted in the sliding rails 5, the sliding blocks 7 can only slide along the corresponding sliding rails 5, press-contact switches are arranged on the outer sides of the sliding blocks 7, the sensing ends of the press-contact switches face outwards and are embedded on the sliding blocks 7, the press-contact switches are not shown in the drawing, the inner sides of the sliding blocks 7 are fixedly connected with the outer ends of moving rods 8, magnets are arranged on the inner ends of the moving rods 8, the magnets are embedded in the moving rods 8, the grooved wheels 4 are made of carbon steel, the magnetic attraction force between the inner ends of the moving rods 8 and the grooved wheels 4 is larger than the total weight of the moving rods 8, the sliding blocks 7 and the heat conducting rods 10, the moving rods 8 are prevented from moving outwards under the action of gravity, the grooved wheels 4 give the moving rods 8 an outwards moving force when the grooved wheels 4 rotate, and the sum of the total weight of the force and the total weight of the moving rods 8, the sliding blocks 7 and the heat conducting rods 10 is larger than the magnetic attraction force between the inner ends of the moving rods 8 and the grooved wheels 4, the carriage release lever 8 all passes logical groove 11 that corresponds, the equal fixed connection electric putter 9's of front side of carriage release lever 8 rear end, electric putter 9 all with PLC controller circuit connection, electric putter 9's front end difference fixed connection heat conduction stick 10's rear end, heat conduction stick 10 can pass logical groove 11 that corresponds, when slider 7 removed to slide rail 5's outermost end, heat conduction stick 10 all is located outside barrel 1, electric putter 9 extends to when the longest, electric putter 9 stop movement, the front end of heat conduction stick 10 homoenergetic this moment can with the surface contact of car brake disc. The device is used for the braking process of a new energy automobile, is mainly used for monitoring the temperature of the surface of a brake disc in the braking process, can assist the heat dissipation of the brake disc when the braking temperature is overhigh, and prevents the surface of the brake disc from being overheated, in the using process, a user fixes the device between a hub and the brake disc and ensures that a temperature sensor 2 faces the brake disc, as a brake caliper is arranged on one side of the brake disc, the part of the device provided with a slide rail 5 is required to be staggered with the position of a brake caliper when fixing the device, the user needs to set the temperature on a PLC (programmable logic controller) according to actual requirements, namely the highest temperature allowed by the surface of the brake disc on the premise of ensuring that the brake disc provides stable braking, and in the driving process of the automobile, when the temperature sensor 2 detects that the temperature of the surface of the brake disc is not higher than the set temperature, the heat dissipation requirement can be met only through the heat dissipation of the brake disc, when the temperature sensor 2 detects that the surface temperature of the brake disc is higher than a set temperature, the temperature sensor 2 transmits the signal to the PLC controller, the PLC controller controls the motor 3 to rotate, the motor 3 rotates to drive the grooved pulley 4 to rotate, the grooved pulley 4 rotates to drive the sliding block 7 to move outwards along the corresponding sliding rail 5, the sliding block 7 moves outwards to drive the corresponding moving rod 8 and the heat conducting rod 10 to move outwards, when the sliding block 7 moves to the outermost end of the sliding rail 5, the pressure contact switches on the sliding block 7 are all opened, the heat conducting rods 10 are all positioned outside the cylinder body 1 at the moment, the PLC controller controls the motor 3 to be closed, the electric push rod 9 is controlled to extend, when the electric push rod 9 extends to the longest, the front end of the heat conducting rod 10 just can be in contact with the surface of the brake disc, in the contact process, the heat conducting rod 10 can transmit the heat on the surface of the brake disc to the heat conducting rod 10, and therefore, the surface temperature of the brake disc is reduced in a heat transfer mode, if follow-up temperature sensor 2 detects after the brake disc temperature has been less than the settlement temperature, PLC controller control electric push rod 9 contracts, motor 3 rotates, sheave 4 rotates, heat conduction stick 10 returns inside barrel 1, this device can be at the temperature on vehicle driving in-process real time monitoring brake disc surface, avoid the brake disc to overheat the brake performance who influences the brake disc, can also reduce brake disc surface temperature through heat conduction stick 10 when brake disc surface temperature is too high, when brake disc temperature is in between the normal temperature interval, heat conduction stick 10 is withdrawed to inside barrel 1, avoid heat conduction stick 10 to influence the air and brake disc contact, and then influence the normal heat dissipation of brake disc self.

Specifically, as shown in fig. 1 or 3, the inner ends of the moving rods 8 according to the present embodiment are all ground to be smooth spherical surfaces. When the moving rod 8 is in contact with the sheave 4, the smooth spherical surface can reduce the friction between the moving rod and the sheave 4, so that the resistance to the rotation of the sheave 4 is reduced.

Specifically, as shown in fig. 1, a plurality of vent holes 12 are formed at the front end and the rear end of the cylinder 1 in this embodiment. When the brake disc temperature is in the normal temperature within range, the louvre on brake disc surface can accelerate the brake disc surface temperature and scatter and disappear, sets up ventilation hole 12 on barrel 1 and can avoid barrel 1 to block fresh air and brake disc contact.

Further, as shown in fig. 2, the electric push rods 9 of the present embodiment are all multi-stage electric push rods. Multistage electric putter can shorten the length of the fixed part of electric putter 9 under the sufficient prerequisite of assurance elongation, and electric putter 9 occupies 1 inner space of barrel and reduces, and under the unchangeable condition of heat conduction stick 10 length, this device volume diminishes, avoids installing the normal work that influences all the other parts around the vehicle brake disc after this device.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a new energy automobile is with preventing overheated arresting gear which characterized in that: comprises a cylinder body (1), a plurality of longitudinal through grooves (11) are formed in the cylinder body (1), a temperature sensor (2) is arranged on the cylinder body (1), the temperature sensor (2) is in circuit connection with a PLC controller, the cylinder body (1) is connected with a motor (3), an output shaft of the motor (3) penetrates through the cylinder body (1) and is rotationally connected with the cylinder body (1), a grooved pulley (4) is fixedly installed at the output end of the motor (3), a sliding rail (5) is arranged outside the through grooves (11), the outer end of the sliding rail (5) is fixedly connected with the inner wall of the same circular ring (6), a sliding block (7) is movably installed in the sliding rail (5), a pressure contact switch is arranged at the outer side of the sliding block (7), the outer end of a moving rod (8) is fixedly connected with the inner side of the sliding block (7), magnets are arranged at the inner end of the moving rod (8), the moving rod (8) penetrates through the corresponding through grooves (11), the rear end of an electric push rod (9) is fixedly connected with the front side of the moving rod (8), the electric push rods (9) are all connected with the PLC circuit, and the front ends of the electric push rods (9) are respectively and fixedly connected with the rear ends of the heat conducting rods (10).

2. The anti-overheating braking device for the new energy automobile according to claim 1, wherein: the inner ends of the moving rods (8) are all polished to be smooth spherical surfaces.

3. The anti-overheating braking device for the new energy automobile according to claim 1, wherein: the front end and the rear end of the cylinder body (1) are respectively provided with a plurality of vent holes (12).

4. The anti-overheating braking device for the new energy automobile according to claim 1, wherein: the electric push rods (9) are all multi-stage electric push rods.