CN207297698U - Automatically controlled disc brake system - Google Patents
Automatically controlled disc brake system Download PDFInfo
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- CN207297698U CN207297698U CN201720861916.5U CN201720861916U CN207297698U CN 207297698 U CN207297698 U CN 207297698U CN 201720861916 U CN201720861916 U CN 201720861916U CN 207297698 U CN207297698 U CN 207297698U
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- brake
- valve
- switch
- proportional valve
- emergency
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Abstract
The utility model discloses a kind of automatically controlled disc brake system include emergency brake knob, electronics brake lever, amplifier, in brake switch, gas pressure switch, electromagnetic proportional valve, solenoid directional control valve, Hydraulically-controproportional proportional valve；Solenoid directional control valve is controlled to obtain electric or dead electricity using in brake switch.During dead electricity, enclosed pincers brake；When obtaining electric, enclosed pincers pine is stopped, and realizes parking brake.Control electronics brake lever using emergency brake knob and obtain electric or dead electricity in brake switch, when emergency brake dead electricity, working clamp, safety tongs all participate in brake, realize emergency brake.When system cut-off, emergency brake knob dead electricity, emergency brake self-actuating brake, realizes power-off self-actuating brake.When system sends pulleying or anti-collision gas signal, control pressure power switches off, emergency brake button dead electricity, implements emergency brake, realizes pulleying or anti-collision protection.
Description
Technical field
Electric-controlled hydraulic disc brake control system technical field is the utility model is related to, more particularly to a kind of automatically controlled disc brake system
System.
Background technology
At present, the brake function that works in the control system of automatically controlled disc brake is operation electronics brake lever, with electronics brake lever angle
The electric signal of bigger output is bigger, and the electric signal of output after two amplifiers amplify, controls two solenoid-operated proportionals respectively respectively
Valve the output phase answers the hydraulic oil of pressure value to enter working clamp, realizes that work is braked.Since control circuit is two independent circuits,
Each amplifier controls the electromagnetic proportional valve on each self-loop, therefore there are the pressure value of two-way output to be possible to nonsynchronous feelings
Condition.
Emergency brake function is operation button formula switch, and control electromagnetic switch air valve obtains electric or dead electricity, so as to control gas control
The commutation action of commutation liquid valve, switches on or off to control the output oil pressure of the two-way pilot operated directional control valve on performance loop respectively,
It is final to realize that emergency brake acts.There is the problem of control is complicated, trouble point is more in the system.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of automatically controlled disc brake system, meeting the premise of systemic-function
Under, the reliability of whole system is improved by the method for the more reliable component of the quantity of valve member, selection in reduction system, together
When make two-way working clamp output pressure identical and synchronous.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is：Automatically controlled disc brake system, including emergency brake
Button, electronics brake lever, amplifier, in brake switch, electromagnetic proportional valve, Hydraulically-controproportional proportional valve, solenoid directional control valve and gas pressure switch,
The input terminal of the emergency brake button is connected with the output terminal of the gas pressure switch, the output terminal of the emergency brake button
Input terminal with the electronics brake lever and in brake switch is connected, the output terminal of the electronics brake lever and the input of the amplifier
End connection, the output terminal in brake switch are connected with the control terminal of the solenoid directional control valve, the output terminal of the amplifier
It is connected with the control terminal of the electromagnetic proportional valve, the fuel-displaced oil circuit of the electromagnetic proportional valve, which is connected respectively to, is arranged on two oil circuits
In hydraulic proportion valve control terminal, the gas pressure switch by pulleying or anti-collision gas signal control cut-offs.
Hydraulically-controproportional proportional valve described in the utility model sets two, is separately positioned on two brake fluid lines of parallel connection.
The utility model input oil port P2 and P3 connect the oil inlet of two Hydraulically-controproportional proportional valves, input oil port P1 respectively
The oil inlet of solenoid directional control valve and electromagnetic proportional valve is connected respectively.
The oil outlet connection output B1 of solenoid directional control valve described in the utility model, the oil outlet difference of two Hydraulically-controproportional proportional valves
Connection output B2 and output B3.
Had the beneficial effect that using what above-mentioned technical proposal the utility model obtained：
1. working clamp two-way working pressure is synchronous, the eccentric wear of brake block is reduced；
Changed 2. system reduces a proportional amplifier, an electromagnetic proportional valve, an electromagnetic switch air valve, a gas control
To liquid valve, two pieces pilot operated directional control valve is substituted for the Hydraulically-controproportional proportional valve of two pieces inverse proportion, one is substituted for a gas pressure switch
Part gas control reversing air valve.Valve member quantity reduces, and the valve member of replacement is relatively reliable compared to former valve member, reduces trouble point, simplifies
Whole system, makes system response rapider, all functions can be realized preferably；
3. the Hydraulically-controproportional proportional valve output flow bigger selected, system pressure is more steady when for greater number of working clamp
It is fixed；
4. the system is controlled using electric signal mostly, system response is fast, stronger to the adaptability of environment, more intelligent,
The signal acquisition of more convenient whole system.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
Put, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the structure diagram of the utility model.
In figure：1- emergency brakes button, 2- electronics brake lever, 3- amplifiers, 4- stay brake switch, 5- electromagnetic proportional valves, 6-
Hydraulically-controproportional proportional valve, 7- solenoid directional control valves, 8- gas pressure switch, 9- pulleying or anti-collision gas signal.
Embodiment
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings.It should be noted that
It is used to help understand the utility model for the explanation of these embodiments, but does not form the restriction to the utility model.This
Outside, as long as technical characteristic involved in each embodiment of the utility model disclosed below does not form conflict each other
It can be mutually combined.
The utility model is further described with reference to attached drawing, person of ordinary skill in the field is preferably implemented this reality
With new, the automatically controlled disc brake system of the utility model embodiment, including emergency brake button 1, electronics brake lever 2, amplifier 3, in brake
Stopping switch 4, electromagnetic proportional valve 5, Hydraulically-controproportional proportional valve 6, solenoid directional control valve 7 and gas pressure switch 8, the input of emergency brake button 1
End is connected with the output terminal of gas pressure switch 8, the input of the output terminal and electronics brake lever 2 and switch in brake of emergency brake button 1
End connection, the output terminal of electronics brake lever 2 are connected with the input terminal of amplifier 3, output terminal and the solenoid directional control valve 7 of switch in brake
Control terminal connects, and the output terminal of amplifier 3 is connected with the control terminal of electromagnetic proportional valve 5, the fuel-displaced oil circuit difference of electromagnetic proportional valve 5
The control terminal for the hydraulic proportion valve being arranged in two oil circuits is connected to, gas pressure switch 8 is controlled by pulleying or anti-collision gas signal 9
Cut-off.
The utility model embodiment Hydraulically-controproportional proportional valve 6 sets two, is separately positioned on two brake fluid lines of parallel connection；It is defeated
Oiler P2 and P3 connect the oil inlet of two Hydraulically-controproportional proportional valves 6 respectively, and input oil port P1 connects solenoid directional control valve 7 and electricity respectively
The oil inlet of magnetic proportioning valve 5；The oil outlet connection output B1 of solenoid directional control valve 7, the oil outlet of two Hydraulically-controproportional proportional valves 6 connect respectively
Meet output B2 and output B3.
The utility model embodiment emergency brake button 1 controls electronics brake lever 2 all the way and all the way in brake switch 4 at the same time
Obtain electric or dead electricity.Electronics brake lever 2 is pulled, the electric signal of output, electromagnetic proportional valve 5, solenoid-operated proportional are controlled after the amplification of amplifier 3
The hydraulic pressure that valve 5 exports controls the working clamp pressure that the Hydraulically-controproportional proportional valve 6 of two-way inverse proportion exports respectively.With electronics brake lever 2
Angle is bigger, and the electric signal of output is smaller.As electric signal is smaller, the pressure that electromagnetic proportional valve 5 exports is smaller.With electromagnetism ratio
Example 5 hydraulic pressure of valve is smaller, and the pressure that Hydraulically-controproportional proportional valve 6 exports is bigger.It is achieved thereby that when 2 angle of electronics brake lever is maximum, work
The brake force of pincers also reaches maximum.When 2 angle of electronics brake lever is minimum, working clamp pressure is zero, and working clamp pine is stopped.
In order to better illustrate, the angle that electronics brake lever 2 exports now is set to 0-1, the electric signal of output is set to 0-1, electricity
Magnetic proportioning valve 5 and the switch state of Hydraulically-controproportional proportional valve 6 are set to 0-1, and working clamp pressure value is set to 0-1.
Then control logic can be expressed as：
When electronics brake lever 2 obtains electric, when the angle that electronics brake lever 2 exports is 0.2, the electric signal of output is 0.8, then electromagnetism ratio
Example valve 5 opens 0.8, then controls Hydraulically-controproportional proportional valve 6 by electromagnetic proportional valve 5, and Hydraulically-controproportional proportional valve 6 opens 0.2, and working clamp pressure value is
0.2.When the angle that electronics brake lever 2 exports is 0.6, the electric signal of output is 0.4, then electromagnetic proportional valve 5 opens 0.4, then by electricity
Magnetic proportioning valve 5 controls Hydraulically-controproportional proportional valve 6, and Hydraulically-controproportional proportional valve 6 opens 0.6, and working clamp pressure value is 0.6.When electronics brake lever 2 exports
Angle be 1, the electric signal of output is 0, then electromagnetic proportional valve 5 opens 0, then controls Hydraulically-controproportional proportional valve 6 by electromagnetic proportional valve 5,
Hydraulically-controproportional proportional valve 6 opens 1, and working clamp pressure value is 1.
During electronics 2 dead electricity of brake lever, that is, when the electric signal exported is 0, working clamp pressure value is 1, the i.e. brake force of working clamp
For maximum.
Solenoid directional control valve 7 is controlled to obtain electric or dead electricity with brake switch 4.When the dead electricity of switch in brake, enclosed pincers brake.When in
Brake switchs electric, and enclosed pincers pine is stopped.When emergency brake button 1 is pressed, electronics brake lever 2 and in brake switch 4 at the same time dead electricity, work
Brake and in braking while braking, system is in emergency brake state.When emergency brake button 1 lifts electric, electronics is stopped
2 and in brake switch 4 at the same time it is electric, work brake and in brake at the same time in can working status, release emergency braking condition.
The utility model embodiment pulleying or anti-collision protection are by installing a normally closed air pressure additional before emergency brake button 1
Power switch 8.When no pulleying or anti-collision gas signal 9 input, gas pressure switch 8 is constantly in closure state, 2 He of electronics brake lever
Being in 4 two-way of brake switch normally can working status.When pulleying or anti-collision gas signal 9 have input, gas pressure switch 8 is disconnected
Open, emergency brake button 1 powers off, and realizes emergency braking.
When system cut-off, i.e., emergency brake button 1 powers off the utility model embodiment, realizes emergency braking.
The embodiment of the utility model is explained in detail above in association with attached drawing, but the utility model is not limited to be retouched
The embodiment stated.For a person skilled in the art, it is right in the case where not departing from the utility model principle and spirit
These embodiments carry out a variety of change, modification, replacement and modification, still fall within the scope of protection of the utility model.
Claims (4)
1. automatically controlled disc brake system, it is characterised in that：Including emergency brake button, electronics brake lever, amplifier, in brake switch, electricity
Magnetic proportioning valve, Hydraulically-controproportional proportional valve, solenoid directional control valve and gas pressure switch, input terminal and the air pressure of the emergency brake button
The output terminal connection of power switch, the output terminal of the emergency brake button and the electronics brake lever and the input terminal in brake switch
Connection, the output terminal of the electronics brake lever are connected with the input terminal of the amplifier, the output terminal and institute in brake switch
The control terminal connection of solenoid directional control valve is stated, the output terminal of the amplifier is connected with the control terminal of the electromagnetic proportional valve, described
The fuel-displaced oil circuit of electromagnetic proportional valve is connected respectively to the control terminal for the hydraulic proportion valve being arranged in two oil circuits, the atmospheric pressure
Switch is cut-off by pulleying or the control of anti-collision gas signal.
2. automatically controlled disc brake system according to claim 1, it is characterised in that：The Hydraulically-controproportional proportional valve sets two, sets respectively
Put on two brake fluid lines in parallel.
3. automatically controlled disc brake system according to claim 2, it is characterised in that：Input oil port P2 and P3 are connected described in two respectively
The oil inlet of Hydraulically-controproportional proportional valve, input oil port P1 connect the oil inlet of solenoid directional control valve and electromagnetic proportional valve respectively.
4. automatically controlled disc brake system according to claim 3, it is characterised in that：The oil outlet connection output of the solenoid directional control valve
B1, the oil outlet of two Hydraulically-controproportional proportional valves connect output B2 and output B3 respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720861916.5U CN207297698U (en) | 2017-07-17 | 2017-07-17 | Automatically controlled disc brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720861916.5U CN207297698U (en) | 2017-07-17 | 2017-07-17 | Automatically controlled disc brake system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207297698U true CN207297698U (en) | 2018-05-01 |
Family
ID=62451151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720861916.5U Active CN207297698U (en) | 2017-07-17 | 2017-07-17 | Automatically controlled disc brake system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207297698U (en) |
-
2017
- 2017-07-17 CN CN201720861916.5U patent/CN207297698U/en active Active
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