CN215284748U

CN215284748U - Single-control type electronic braking retarding pedal for new energy mining vehicle

Info

Publication number: CN215284748U
Application number: CN202120448644.2U
Authority: CN
Inventors: 刘玉林; 王国微; 张长顺; 杨柳
Original assignee: Dongfeng Heavy Industry Co ltd
Current assignee: Dongfeng Heavy Industry Co ltd
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2021-12-24
Anticipated expiration: 2031-03-02

Abstract

The utility model discloses a new forms of energy mining vehicle single control formula electronic braking retarder footboard, including brake pedal, VCU, main drive motor, BMS, electronic control unit, pedal frame and control cylinder, brake pedal includes electronic brake pedal and service brake pedal, the pedal frame rotates through the pivot with service brake pedal and is connected, the left side fixed connection of electronic brake pedal and pedal frame, the right part fixedly connected with rocker of pivot, the utility model relates to a part technical field for the mine car. This new forms of energy mine car single control formula electronic braking retarder footboard utilizes and separates into electronic brake pedal and service brake pedal and installs electronic brake pedal in driver's left foot department, makes things convenient for the driver to control, through the reasonable braking power of allotting of electronic control unit moreover, and then realizes that the car maximize retrieves the electric energy under the prerequisite of braking safety, when preventing frequent braking simultaneously, the stopper is overheated, causes the braking failure to cause the traffic accident.

Description

Single-control type electronic braking retarding pedal for new energy mining vehicle

Technical Field

The utility model relates to a part technical field for the mine car specifically is a new forms of energy mining car single control formula electronic braking retarder footboard.

Background

Along with the rapid development of automobile technology, people have higher and higher requirements on automobile safety and comfort, and a braking system has the advantages of simpler and more reliable structure, more comprehensive functions and convenience in management.

According to the traditional braking energy recovery scheme of the electric automobile, a graded linear braking pedal is adopted, the first one-third stroke is an electric braking stroke, the braking torque of a motor is improved along with the increase of the depth of the pedal, the later stroke is an electric and pneumatic common braking stroke, and the motor performs braking with peak torque in the stroke. The disadvantages are as follows: in order to ensure sufficient braking energy recovery, the stroke of the pedal must be controlled to be one third of the stroke of the pedal during braking, the stroke is not accurately controlled, sufficient braking energy recovery cannot be ensured, and energy waste is caused.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a new forms of energy mine car single control formula electronic braking retards footboard, when having solved traditional electric automobile braking, the stroke is accurate control not well, can not guarantee abundant braking energy and retrieve, has caused the extravagant problem of the energy.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a new forms of energy mining car single control formula electronic braking is fast footboard, includes brake pedal, VCU, main drive motor, BMS, electronic control unit, pedal frame and control cylinder, brake pedal includes electronic brake pedal and service brake pedal, the pedal frame rotates through the pivot with service brake pedal and is connected, electronic brake pedal and the left side fixed connection of pedal frame, the right part fixedly connected with rocker of pivot, the output of rocker is articulated with the top of control cylinder.

Preferably, the upper part of the service brake pedal is elastically connected with the pedal frame through a tension spring.

Preferably, the brake pedal is electrically connected with the electronic control unit through the first connecting assembly, and the electronic control unit comprises a sensing element and an electronic feedback element.

Preferably, the electronic feedback element of the electronic control unit is electrically connected to the input terminal of the VCU through the second connecting assembly.

Preferably, the output end of the VCU is electrically connected to the main drive motor through a third connecting assembly.

Preferably, the BMS comprises a capacitor and a power battery, the capacitor is connected with the power battery in an opposite way, and the main drive motor is connected with the BMS in an opposite way.

Preferably, the output end of the capacitor is electrically connected with the input end of the main drive motor, and the input end of the power battery is electrically connected with the output end of the main drive motor.

Advantageous effects

The utility model provides a new forms of energy mine car single control formula electronic braking retarder footboard. Compared with the prior art, the method has the following beneficial effects:

(1) the single-control electronic brake retarder of the new energy mining vehicle is rotationally connected with a service brake pedal through a rotating shaft on a pedal frame, the electronic brake pedal is fixedly connected with the left side of the pedal frame, the right part of the rotating shaft is fixedly connected with a rocker, the output end of the rocker is hinged with the top end of a control cylinder, the upper part of the service brake pedal is elastically connected with the pedal frame through a tension spring, the brake pedal is electrically connected with an electronic control unit through a first connecting assembly, the electronic control unit comprises a sensing element and an electronic feedback element, the electronic feedback element of the electronic control unit is electrically connected with the input end of a VCU through a second connecting assembly, the output end of the VCU is electrically connected with a main drive motor through a third connecting assembly, and the service brake pedal is separated into the electronic brake pedal and the service brake pedal and is arranged at the left foot of a driver to facilitate the control of the driver, and braking power is reasonably distributed through the electronic control unit, so that electric energy is recycled to the maximum extent on the premise of safe braking of the automobile, and meanwhile, the traffic accidents caused by braking failure due to overheating of a brake during frequent braking are prevented.

(2) This new forms of energy mine car single control formula electronic braking is slowed down footboard, through including electric capacity and power battery at BMS, electric capacity and power battery subtend connection, main drive motor and BMS subtend connection, the output and the main drive motor input electric connection of electric capacity, power battery's input and main drive motor output electric connection, utilize the electronic braking footboard to control and slow down, the braking footboard passes to VCU with aperture information, VCU control main drive motor turns into the electric energy with the kinetic energy that inertial rotation produced and feeds back power battery through the electronic feedback component, can retrieve the braking energy at every turn, improve the utilization of energy.

Drawings

Fig. 1 is a structural top view of the pedal frame of the present invention;

FIG. 2 is a left side view of the structure of the service brake pedal of the present invention;

fig. 3 is a system block diagram of the present invention.

In the figure: 1. a brake pedal; 111. an electronic brake pedal; 112. a service brake pedal; 2. a VCU; 3. a main drive motor; 4. a BMS; 41. a capacitor; 42. a power battery; 5. an electronic control unit; 51. a sensing element; 52. an electronic feedback element; 61. a first connection assembly; 62. a second connection assembly; 63. a third connection assembly; 7. a pedal frame; 8. a rotating shaft; 9. a rocker; 10. a control cylinder; 11. a tension spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a single-control type electronic braking and retarding pedal of a new energy mining vehicle comprises a braking pedal 1, a VCU2, a main driving motor 3, a BMS4, an electronic control unit 5, a pedal frame 7 and a control cylinder 10, wherein the braking pedal 1 is electrically connected with the electronic control unit 5 through a first connecting assembly 61, the electronic control unit 5 comprises a sensing element 51 and an electronic feedback element 52, the electronic feedback element 52 of the electronic control unit 5 is electrically connected with the input end of the VCU2 through a second connecting assembly 62, the output end of the VCU2 is electrically connected with the main driving motor 3 through a third connecting assembly 63, the BMS4 comprises a capacitor 41 and a power battery 42, the capacitor 41 is oppositely connected with the power battery 42, the main driving motor 3 is oppositely connected with the BMS4, the output end of the capacitor 41 is electrically connected with the input end of the main driving motor 3, the input end of the power battery 42 is electrically connected with the output end of the main driving motor 3, the braking pedal 1 comprises an electronic braking pedal 111 and a running braking pedal 112, the electronic brake pedal 111 is used for controlling and retarding, the brake pedal 1 transmits opening information to the VCU2, the VCU2 controls the main drive motor 3 to convert kinetic energy generated by inertial rotation into electric energy and feed the electric energy back to the power battery 42 through the electronic feedback element 52, the braking energy at each time can be recovered, the utilization of the energy is improved, the pedal frame 7 is rotatably connected with the service brake pedal 112 through the rotating shaft 8, the electronic brake pedal 111 is fixedly connected with the left side of the pedal frame 7, the right part of the rotating shaft 8 is fixedly connected with the rocker 9, the output end of the rocker 9 is hinged with the top end of the control cylinder 10, the upper part of the service brake pedal 112 is elastically connected with the pedal frame 7 through the tension spring 11, the electronic brake pedal 111 and the service brake pedal 112 are separated from the brake pedal 1, the electronic brake pedal 111 is installed at the left foot of a driver, the driver can conveniently control and reasonably distribute braking force through the electronic control unit 5, therefore, the electric energy of the automobile can be recycled to the maximum extent on the premise of safe braking, and meanwhile, the traffic accidents caused by brake failure due to overheating of a brake when the automobile is braked frequently are prevented.

And those not described in detail in this specification are well within the skill of those in the art.

When the vehicle is assembled, the brake pedal 1 is separated into the electronic brake pedal 111 and the service brake pedal 112, and the electronic brake pedal 111 is installed at the left foot of the driver, so that the driver can conveniently operate and control the vehicle.

When the vehicle needs to perform the brake recovery mode, the driver operates the electronic brake pedal 111 to slow down with the left foot according to the vehicle speed, the brake pedal 1 transmits the opening information to the VCU2, and the VCU2 controls the main drive motor 3 to convert the kinetic energy generated by the inertial rotation into electric energy and feed the electric energy back to the power battery 42 through the electronic feedback element 52. And meanwhile, a braking torque is generated to slowly brake the vehicle.

When the vehicle is braked due to too high speed, the driver can operate the service brake pedal 112 to control the vehicle speed. The driver can operate the electronic brake pedal 111 or the service brake pedal 112 according to the vehicle speed requirement, so that sufficient braking energy recovery is ensured.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a single control formula electronic braking is slowed down footboard for new forms of energy mine car, includes brake pedal (1), VCU (2), main drive motor (3), BMS (4), electronic control unit (5), footboard frame (7) and control cylinder (10), its characterized in that: brake pedal (1) includes electronic brake pedal (111) and service brake pedal (112), footboard frame (7) are connected through pivot (8) rotation with service brake pedal (112), the left side fixed connection of electronic brake pedal (111) and footboard frame (7), the right part fixedly connected with rocker (9) of pivot (8), the output of rocker (9) is articulated with the top of control cylinder (10).

2. The single-control electronic braking and retarding pedal of the new-energy mining vehicle as claimed in claim 1, wherein: the upper part of the service brake pedal (112) is elastically connected with the pedal frame (7) through a tension spring (11).

3. The single-control electronic braking and retarding pedal of the new-energy mining vehicle as claimed in claim 1, wherein: the brake pedal (1) is electrically connected with an electronic control unit (5) through a first connecting assembly (61), and the electronic control unit (5) comprises a sensing element (51) and an electronic feedback element (52).

4. The single-control electronic braking and retarding pedal of the new-energy mining vehicle as claimed in claim 3, wherein: and an electronic feedback element (52) of the electronic control unit (5) is electrically connected with the input end of the VCU (2) through a second connecting component (62).

5. The single-control electronic braking and retarding pedal of the new-energy mining vehicle as claimed in claim 1, wherein: the output end of the VCU (2) is electrically connected with the main drive motor (3) through a third connecting component (63).

6. The single-control electronic braking and retarding pedal of the new-energy mining vehicle as claimed in claim 1, wherein: the BMS (4) comprises a capacitor (41) and a power battery (42), the capacitor (41) is connected with the power battery (42) in an opposite mode, and the main driving motor (3) is connected with the BMS (4) in an opposite mode.

7. The single-control electronic braking and retarding pedal of the new-energy mining vehicle as claimed in claim 6, wherein: the output end of the capacitor (41) is electrically connected with the input end of the main drive motor (3), and the input end of the power battery (42) is electrically connected with the output end of the main drive motor (3).