CN218198291U

CN218198291U - Brake controller

Info

Publication number: CN218198291U
Application number: CN202222314830.4U
Authority: CN
Inventors: 刘学勤; 张俊
Original assignee: Xi'an Kaitian Railway Electrical Co ltd
Current assignee: Xi'an Kaitian Railway Electrical Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-01-03
Anticipated expiration: 2032-08-31

Abstract

The application relates to the technical field of locomotive vehicle brake controllers, in particular to a brake controller, which can solve the problems of low and unstable precision when a Hall sensor measures the rotation angle of a handle assembly in the brake controller to a certain extent. The brake controller includes: comprises a handle component, a digital encoder and an execution unit which are connected in sequence; when the handle assembly is rotated, the output torque of the handle assembly is synchronously transmitted to an input shaft of a digital encoder, and the digital encoder is used for generating an angle signal according to the rotation angle of the input shaft; the execution unit is used for receiving the angle signal.

Description

Brake controller

Technical Field

The application relates to the technical field of locomotive vehicle brake controllers, in particular to a brake controller.

Background

The locomotive brake controller is a man-machine structure for a driver to brake and control the vehicle, and the vehicle brake controller outputs a brake or release instruction and transmits the brake or release instruction to an execution unit of the locomotive brake system, so that the locomotive brake and release functions are controlled.

A hall sensor is a magnetic sensor that can detect magnetic fields and changes thereof and can be used in a variety of fields related to magnetic fields. At present, the hall sensor is often used to induce the magnetic field change in the brake controller and then realize the braking of the locomotive, alleviate control, specifically: a magnetic block is arranged on a main shaft of the brake controller, a locomotive driver adjusts a handle component to drive the main shaft to rotate to cause the direction of a magnetic field to change, the change is sensed by an integrated circuit of a Hall sensor, an angle signal of an analog quantity is obtained through calculation, and the execution unit controls the locomotive to brake or release according to the angle signal.

However, the hall sensors measure signals by sensing the change of the direction of the magnetic field, and are easily subjected to electromagnetic interference of an external environment, and mutual interference can be generated between two adjacent hall sensors, so that the measured signals have good accuracy and low precision; meanwhile, under the influence of temperature change, the output signal of the hall sensor can also generate position drift, so that the transmission of the output signal is unstable.

SUMMERY OF THE UTILITY MODEL

In order to solve in the brake controller, the measuring accuracy that the turned angle that measures handle assembly through hall sensor exists is low and output signal transmission is unstable problem, this application provides a brake controller.

The embodiment of the application is realized as follows:

the embodiment of the application provides a brake controller, which comprises a handle assembly, a transmission assembly, a digital encoder and an execution unit, wherein the handle assembly, the transmission assembly, the digital encoder and the execution unit are sequentially connected;

when the handle assembly is rotated, the output torque of the handle assembly is synchronously transmitted to an input shaft of a digital encoder through the transmission assembly, and the digital encoder is used for generating an angle signal according to the rotation angle of the input shaft;

the execution unit is used for receiving the angle signal.

In some embodiments, a stent is further included;

a main shaft penetrating through the bracket;

the handle assembly is connected with one end of the main shaft positioned outside the bracket;

the first driving wheel is rotationally connected with the main shaft positioned in the bracket;

the second driving wheel is connected with one side of the first driving wheel, which is far away from the handle component;

the driven wheel is in transmission connection with the second driving wheel;

the digital encoder is arranged outside the bracket, and an input shaft contained in the digital encoder penetrates through the reserved through hole of the bracket to be rotatably connected with a shaft center hole of the driven wheel.

In some embodiments, the bracket comprises opposing first and second brackets;

the first end of the main shaft is rotatably connected with the handle assembly, the second end of the main shaft sequentially penetrates through the first support, the first driving wheel, the second driving wheel and the second support, and the area of a hole formed in the second driving wheel and used for penetrating the main shaft is larger than the sectional area of the main shaft;

the digital encoder is positioned on one side of the second support far away from the first support, and the reserved through hole is formed in the second support.

In some embodiments, each of the first bracket and the second bracket is provided with opposite mounting holes, each of the mounting holes is provided with a rotating bearing, and the main shaft is inserted into an inner ring of the rotating bearing and is in interference fit with the inner ring.

In some embodiments, the encoder is provided with a mounting post, the second bracket is provided with a mounting hole, and the mounting post is inserted into the mounting hole, so that the second bracket is fixedly connected with the encoder.

In some embodiments, the first driving wheel is provided with a hole, and the spindle and the flat key are connected and jointly penetrate through the hole of the first driving wheel.

In some embodiments, the first drive wheel and the second drive wheel are connected by a connecting rod.

In some embodiments, the second driving wheel and the driven wheel are respectively a driving gear and a driven gear, and the driving gear and the driven gear are in external meshing transmission.

In some embodiments, the handle assembly comprises a connecting part and a handle rod connected with the connecting shaft, a hole matched with the main shaft is formed in the connecting shaft, and the first end of the main shaft is assembled in the hole of the connecting shaft and is provided with a screw for fastening.

The beneficial effect of this application: the handle assembly is rotated, the rotation of the handle assembly is synchronous with the rotation of the input shaft of the digital encoder, the rotation angle of the input shaft is converted into a digital code by the digital encoder, and the execution unit of the brake control system performs braking, relieving and the like according to the digital code. Digital encoder does not receive external environment when acquireing handle components's turned angle and disturbs, and the turned angle who acquirees is more accurate, and signal transmission is stable when transmitting angle signal to execution unit.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and those skilled in the art can obtain other drawings without inventive labor.

FIG. 1 is a schematic block diagram of a braking control according to one or more embodiments of the present application;

FIG. 2 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is an exploded view of a brake control according to one or more embodiments of the present application;

illustration of the drawings:

10, a bracket; 11. a first bracket; 12. a second bracket; 20. a main shaft; 21. a flat bond; 22. a rotating bearing; 30. a handle assembly; 31. a connecting portion; 32. a handle bar; 40. a first driving wheel; 50. a second driving wheel; 60. a driven wheel; 70. a digital encoder; 71. an input shaft.

Detailed Description

To make the objects, embodiments and advantages of the present application clearer, the following description of exemplary embodiments of the present application will clearly and completely describe the exemplary embodiments of the present application with reference to the accompanying drawings in the exemplary embodiments of the present application, and it is to be understood that the described exemplary embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

It should be noted that the brief descriptions of the terms in the present application are only for the convenience of understanding the embodiments described below, and are not intended to limit the embodiments of the present application. These terms should be understood in their ordinary and customary meaning unless otherwise indicated.

The terms "first," "second," "third," and the like in the description and claims of this application and in the foregoing drawings are used for distinguishing between similar or analogous objects or entities and are not necessarily intended to limit the order or sequence in which they are presented unless otherwise indicated. It is to be understood that the terms so used are interchangeable under appropriate circumstances.

The terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a product or apparatus that comprises a list of elements is not necessarily limited to all elements expressly listed, but may include other elements not expressly listed or inherent to such product or apparatus.

The terms "disposed" and "connected" should be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

FIG. 1 is a schematic diagram illustrating a brake control according to one or more embodiments of the present application; FIG. 2 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1; fig. 3 illustrates an explosion diagram of a braking control according to one or more embodiments of the present application.

The digital encoder 70 is a digital pulse sensor that photoelectrically converts the rotational angle of an input shaft 71 of the digital encoder into various code forms. The digital encoder comprises an input shaft, an encoding disk, a light emitting diode, a photosensitive diode and the like, wherein n light-transmitting grooves are etched on the edge of the encoding disk at equal intervals. When the coding disc rotates by 1/n, the light of the light emitting diode penetrates through the light transmission groove, the photosensitive diode sends out a counting pulse, the counter performs increment and decrement calculation on the number of the pulses, and the relative angle of the coding disc rotating under the driving of the rotating input shaft is calculated, namely the rotating angle of the input shaft.

Accordingly, the present application provides a digital encoder 70 in the brake controller to measure the angle of rotation of the handle assembly 30 via the digital encoder.

In some embodiments, the present application provides a brake controller, which comprises a handle assembly 30, a transmission assembly, a digital encoder 70 and an execution unit, which are connected in sequence;

synchronously transmitting the output torque of the handle assembly 30 to an input shaft of a digital encoder 70 through the transmission assembly when the handle assembly 30 is rotated, wherein the digital encoder 70 is used for generating an angle signal according to the rotation angle of the input shaft 70;

the execution unit is used for receiving the angle signal.

The rotation of the handle assembly and the rotation of the input shaft of the digital encoder are synchronous and have the same rotation angle, the digital encoder converts the rotation angle of the input shaft into a digital code, and an execution unit of the brake control system performs braking, relieving and the like according to the digital code. Digital encoder does not receive external environment when acquireing handle components's turned angle and disturbs, and the turned angle who acquirees is more accurate, and signal transmission is stable when transmitting angle signal to execution unit.

As shown in fig. 1 to 3, the brake controller of the present application includes: support 10, handle assembly 30, transmission assembly, digital encoder 70 and execution unit. Wherein the transmission assembly includes a main shaft 20, a first drive pulley 40, a second drive pulley 50, and a driven pulley 60.

Wherein, the main shaft 20 runs through the support 10, and the support 10 is used for bearing the main shaft 20. The handle assembly 30 is positioned outside the bracket 10 and connected with the first end of the main shaft 20; the main shaft 20 positioned in the support 10 is rotatably connected with a first driving wheel 40, one side of the first driving wheel 40, which is far away from the handle assembly 30, is connected with a second driving wheel 50, the second driving wheel 50 is in transmission connection with a driven wheel 60, a digital encoder 70 is arranged outside the support 10, and an input shaft 71 contained in the digital encoder 70 penetrates through a reserved through hole of the support 10 to be rotatably connected with a shaft center hole of the driven wheel 60.

The handle assembly is rotated, the main shaft connected with the handle assembly is synchronously driven to rotate, the main shaft rotates to synchronously drive a first driving wheel connected to the main shaft to rotate, the first driving wheel rotates to synchronously drive a second driving wheel connected with the first driving wheel to rotate, the second driving wheel is in transmission connection with a driven wheel, an output shaft of a digital encoder is in rotation connection with an axle center hole of the driven wheel, the rotating second driving wheel synchronously drives the driven wheel to rotate, the driven wheel drives an input shaft of the digital encoder to rotate, the rotation of the handle assembly is finally synchronous with the rotation of the input shaft of the digital encoder, the rotation angle of the input shaft is converted into a digital code by the digital encoder, an execution unit of a brake control system brakes according to the digital code, and the brake is released and the like.

In some embodiments, the stent 10 includes opposing first and

second stents

11, 12. The relative certain accommodation space that forms of first support and second support, the main shaft rotates connects first action wheel, first action wheel 40 connects second action wheel 50, second action wheel 50 meshes from the driving wheel 60, first action wheel 40, second action wheel 50 and follow driving wheel 60 all set up in the accommodation space that first support 11 and second support 12 enclose, handle assembly 30 and digital encoder 70 set up the relative looks side outside the accommodation space that first support 11 and second support 12 enclose.

The first end of the spindle 20 is rotatably connected to the handle assembly 30, the second end of the spindle 20 sequentially penetrates through the first support 11, the first driving wheel 40, the second driving wheel 50 and the second support 12, and the area of the hole formed in the second driving wheel 50 for penetrating through the spindle 20 is larger than the sectional area of the spindle 20, so that the spindle 20 cannot drive the second driving wheel 50 to rotate.

The digital encoder 70 is located on one side of the second support 12 far away from the first support 11, and a reserved through hole is opened on the second support 12.

Wherein, be connected with the boss at the driven wheel 60 one side that is close to second support 12, be provided with the recess that matches with digital encoder 70's input shaft 71 in the boss, the boss assembly is in the reservation through-hole of second support 12, and digital encoder 70's input shaft 71 wears to establish in the recess of boss, and driven wheel 60 rotates then the synchronous rotation of boss, and then drives digital encoder 70's input shaft 71 synchronous rotation.

The boss is arranged to enhance the rigidity and strength of the driven gear, and the input shaft 71 of the digital encoder 70 can be further protected by rotating in the boss, so that damage caused by overlarge torque can be prevented.

In some embodiments, the first bracket 11 and the second bracket 12 are provided with opposite mounting holes, the rotating bearing 22 is mounted in each mounting hole, and the main shaft 20 is inserted into and interference-fitted with an inner ring of the rotating bearing 22.

By providing the rolling bearing 22, friction between the rotating main shaft 20 and the support frame can be reduced, and the rotation of the main shaft 20 can be smoother.

It should be noted that, because the cylindrical main shaft 20 is rotatably connected with the first driving wheel 40 having a circular through hole, the relative rotation between the main shaft 20 and the first driving wheel 40 is easy. To prevent relative rotation between the spindle 20 and the first driver 40, a flat key 21 is provided in some embodiments. Specifically, a hole is formed in the first driving wheel 40, and the spindle 20 and the flat key 21 are connected and jointly penetrate through the hole of the first driving wheel 40.

In order to fix the position of the bracket 10 relative to the encoder, in some embodiments, the encoder is provided with a mounting post, the second bracket 12 is provided with a mounting hole, and the mounting post is inserted into the mounting hole to fixedly connect the second bracket 12 with the encoder.

In some embodiments, the first drive wheel 40 and the second drive wheel 50 are connected by a connecting bar. The two ends of the connecting rod can be connected between the first driving wheel 40 and the second driving wheel 50 in a welding mode, and the connecting rod can also be a bolt which connects the first driving wheel 40 and the second driving wheel 50.

It should be noted that, the first driving wheel 40 is in interference fit with the main shaft 20, and the second driving wheel 50 is connected with the first driving wheel 40 through a connecting rod, so that the main shaft 20 drives the first driving wheel 40 to rotate, and the first driving wheel 40 synchronously drives the second driving wheel 50 to rotate.

In some embodiments, the secondary drive gear 50 and the driven gear 60 are a drive gear and a driven gear, respectively, and the drive gear are in external meshing transmission.

In some embodiments, the handle assembly 30 includes a connecting portion 31 and a handle bar 32 connected to the connecting portion 31, a hole matched with the main shaft 20 is formed in the connecting portion 31, and the first end of the main shaft 20 is assembled in the hole of the connecting portion 31 and is provided with screw fastening. The handle bar 32 is provided with a grip, the axial direction of the grip is vertical to the axial direction of the handle bar 32, and the grip is also sleeved with rubber, so that the friction between the hand of a driver and the grip is favorably increased.

It should be noted that the handle shaft is vertically connected to the main shaft 20 through the connecting portion 31, and one end of the screw is threaded to the nut after passing through the radial direction of the main shaft 20 and the connecting portion 31, so as to ensure the tight connection between the handle assembly 30 and the main shaft 20.

When a braking instruction needs to be executed, a driver operates the handle assembly, the handle assembly drives the main shaft to rotate in the rotating bearing, the first driving wheel connected with the main shaft by virtue of the flat key rotates synchronously along with the main shaft, the first driving wheel drives the first driving wheel to rotate, the first driving wheel drives the driven wheel to rotate synchronously, the driven wheel drives the input shaft of the digital encoder to rotate, the rotation of the handle assembly is synchronous with the rotation of the input shaft of the digital encoder, the rotation angle of the input shaft is converted into a digital code by the digital encoder, and the execution unit performs braking, relieving and the like according to the digital code.

In this application, the handle subassembly rotates, the main shaft that synchronous drive is connected with the handle subassembly rotates, the main shaft rotates then the synchronous first action wheel of drive connection on the main shaft rotates, first action wheel rotates then the second action wheel of drive connection with first action wheel rotation in step, because the second action wheel is connected with the transmission of follow driving wheel and digital encoder's output shaft rotates with the axle center hole of following the driving wheel and is connected, then the pivoted second action wheel drives from the driving wheel rotation in step, the input shaft that drives digital encoder rotates from the driving wheel, it is the same with the rotation synchronization and the turned angle of digital encoder input shaft finally to realize the rotation of handle subassembly, digital encoder converts the turned angle of input shaft into the digital code, braking control system's execution unit brakies brakes according to the digital code, alleviate etc.

It should be noted that the embodiments in this specification are described in a progressive manner, and the same and similar parts in the various embodiments are referred to each other, and each embodiment focuses on differences from other embodiments.

The foregoing description, for purposes of explanation, has been presented in conjunction with specific embodiments. However, the foregoing discussion in some embodiments is not intended to be exhaustive or to limit the implementations to the precise forms disclosed above. Many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles and the practical application, to thereby enable others skilled in the art to best utilize the embodiments and various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A brake controller is characterized by comprising a handle assembly, a transmission assembly, a digital encoder and an execution unit which are connected in sequence;

the execution unit is used for receiving the angle signal.

2. The brake controller of claim 1, comprising:

a support;

a main shaft penetrating through the bracket;

the first driving wheel is rotatably connected with the main shaft positioned in the bracket;

the driven wheel is in transmission connection with the second driving wheel;

3. The brake controller of claim 2, wherein the bracket includes first and second opposed brackets;

the first end of the main shaft is rotatably connected with the handle assembly, the second end of the main shaft sequentially penetrates through the first support, the first driving wheel, the second driving wheel and the second support, and the area of a hole formed in the second driving wheel and used for penetrating through the main shaft is larger than the sectional area of the main shaft;

4. The brake controller of claim 3, wherein the first bracket and the second bracket are each provided with opposing mounting holes, the mounting holes each having a rotary bearing mounted therein, and the spindle is inserted into and interference-fitted with an inner ring of the rotary bearing.

5. The brake controller of claim 3, wherein the encoder has a mounting post and the second bracket has a mounting hole, and the mounting post is inserted into the mounting hole to fixedly connect the second bracket to the encoder.

6. The brake controller of claim 2, further comprising a flat key, wherein the first drive wheel is provided with a hole, and the spindle and the flat key are connected and jointly inserted into the hole of the first drive wheel.

7. The brake controller of claim 2, wherein the first drive wheel and the second drive wheel are connected by a connecting rod.

8. The brake controller of claim 7, wherein the secondary drive gear and the driven gear are a drive gear and a driven gear, respectively, and the drive gear is in external mesh transmission with the driven gear.

9. The brake controller of claim 2, wherein the handle assembly comprises a connecting portion and a handle rod connected with the connecting shaft, a hole matched with the spindle is formed in the connecting shaft, and the first end of the spindle is assembled in the hole of the connecting shaft and is provided with a screw for fastening.