CN215553114U - Emergency braking device, automobile controller and air braking automobile - Google Patents
Emergency braking device, automobile controller and air braking automobile Download PDFInfo
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- CN215553114U CN215553114U CN202121686736.0U CN202121686736U CN215553114U CN 215553114 U CN215553114 U CN 215553114U CN 202121686736 U CN202121686736 U CN 202121686736U CN 215553114 U CN215553114 U CN 215553114U
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Abstract
The application relates to an emergency braking device, automobile controller, air braking car, the device includes: the air brake system comprises a detection mechanism, a control mechanism and an execution mechanism, wherein the detection mechanism is arranged in a brake system of the air brake automobile and used for detecting the service brake state of the brake system and outputting brake state information based on the service brake state, the control mechanism is connected with the detection mechanism and the execution mechanism and used for controlling the working state of the execution mechanism according to the brake state information, and the execution mechanism is connected in a pipeline between an air inlet of a hand brake valve and an air outlet of a parking air cylinder and used for adjusting the conduction state of the air inlet of the hand brake valve according to the working state. Through the application, when the driving brake fails, the actuating mechanism disconnects the air inlet of the hand brake valve, the parking brake system is triggered to work, the automatic starting parking brake is realized, the brake response time is shortened, the time delay of judgment and control during the manual operation of the parking brake by a driver is avoided, and the brake effect is improved.
Description
Technical Field
The application relates to the field of automobiles, in particular to an emergency braking device, an automobile controller and a pneumatic braking automobile.
Background
With the rapid development of social economy and the continuous improvement of the living standard of people, the automobile becomes one of necessary transportation means of all people in the contemporary society, great convenience is brought to people for going out, correspondingly, the safety performance of the automobile is more and more concerned by the public, and meanwhile, the requirement of the public on a braking system is more and more high.
In the related technology, a service brake control device and a parking brake control device of a vehicle are two independent systems, emergency braking refers to the purpose of achieving emergency braking by adopting parking brake when service brake fails, in the emergency braking process, when the service brake of the vehicle fails, a driver needs to manually operate the parking brake device to achieve braking, but in the emergency state, time delay exists in judgment and operation of the driver, the braking effect is affected, and therefore accidents are easily caused.
In view of the above problems in the related art, no effective solution has been found at present.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems or at least partially solve the technical problems, the application provides an emergency braking device, an automobile controller and a pneumatic braking automobile.
In a first aspect, the present application provides an emergency braking device comprising: detection mechanism, control mechanism, actuating mechanism, wherein, detection mechanism sets up in the braking system of air brake car for detect braking system's service braking state, and based on service braking state output braking state information, control mechanism with detection mechanism actuating mechanism connects, is used for the basis braking state information, control actuating mechanism's operating condition, actuating mechanism connects in the pipeline between the gas outlet of the air inlet of hand brake valve and parking gas receiver, is used for according to operating condition adjusts the conducting state of the air inlet of hand brake valve.
Optionally, the detection mechanism comprises: the first detection mechanism is located on a master cylinder of the brake system and used for detecting service brake input information of the brake system and outputting first brake state information based on the service brake input information.
Optionally, the detection mechanism includes a second detection mechanism, where the second detection mechanism is disposed on a pipeline of the brake system, and is configured to detect service braking output information of the brake system, and output second braking state information based on the service braking output information.
Optionally, the first detection mechanism comprises: the angle sensor is fixed on the master cylinder and used for detecting angle information of a pedal of the master cylinder and generating and outputting the first braking state information based on the angle information and an angle threshold value.
Optionally, the second detection mechanism comprises: the brake system comprises a first pressure switch, a second pressure switch and a third pressure switch, wherein the first pressure switch is arranged on a pipeline of an air outlet of a relay valve and used for acquiring first pressure information of a rear axle brake air chamber, and the second brake state information comprises the first pressure information.
Optionally, the second detection mechanism further comprises: and the second pressure switch is arranged on a pipeline of an air outlet of the quick release valve and used for acquiring second pressure information of a front axle brake air chamber, wherein the second brake state information comprises the second pressure information.
Optionally, the control mechanism comprises: the brake control device comprises a receiving module, an operation module and an output module, wherein the receiving module is used for receiving the brake state information, the operation module is used for generating first control information or second control information according to the brake state information, the first control information is used for indicating that an air inlet of the hand brake valve is in a connected state, the second control information is used for indicating that the air inlet of the hand brake valve is in a disconnected state, and the output module is used for sending the first control information or the second control information to the executing mechanism.
Optionally, the actuator comprises: the two-position three-way electromagnetic valve is used for communicating an air inlet of the hand brake valve with an air outlet of the parking air cylinder when receiving the first control information; and when the second control information is received, disconnecting the air inlet of the hand brake valve from the air outlet of the parking air cylinder, and exhausting the compressed air in the hand brake valve.
Based on any one of the emergency braking devices provided above, the second aspect of the present application further provides an automobile controller, which includes any one of the emergency braking devices.
Based on any one of the emergency brake devices provided above, the third aspect of the present application further provides a pneumatic brake vehicle, which includes any one of the emergency brake devices described above.
The application provides an emergency braking device, includes: the detection mechanism is arranged in a brake system of the air brake automobile and used for detecting the service brake state of the brake system and outputting brake state information based on the service brake state, the control mechanism is connected with the detection mechanism and the execution mechanism and used for controlling the working state of the execution mechanism according to the brake state information, the execution mechanism is connected in a pipeline between a hand brake valve and an air inlet and a parking air cylinder and an air outlet and used for adjusting the conduction state of the air inlet of the hand brake valve according to the working state, through the application, when the service brake system fails, the detection mechanism sends the brake state information to the control mechanism, and the control mechanism can control the execution mechanism to disconnect the connection of the air inlet of the hand brake valve according to the brake state information, the parking brake system is triggered to work, parking brake is automatically started when the driving brake fails, the brake response time is shortened, rapid brake is realized, the time delay of judgment and control when a driver manually controls the parking brake is avoided, and the brake effect is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the application.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic diagram of a prior art vehicle braking system provided by an embodiment of the present application;
fig. 2 is a schematic structural diagram of an emergency braking device according to an embodiment of the present disclosure;
FIG. 3 is a schematic structural diagram of a detection mechanism according to an embodiment of the present disclosure;
FIG. 4 is a schematic diagram of a brake system of an additional emergency brake device provided in an embodiment of the present application;
FIG. 5 is a schematic structural diagram of a two-position three-way valve according to an embodiment of the present disclosure;
fig. 6 is a control strategy diagram of an emergency braking system according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. 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 application.
In the following description, it is to be understood that the directions or positional relationships indicated by the terms "front", "rear", "upper", "lower", "left", "right", "longitudinal", "lateral", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", and the like are configured and operated in specific directions based on the directions or positional relationships shown in the drawings, and are only for convenience of describing the present invention, and do not indicate that the device or element referred to must have a specific direction, and thus, should not be construed as limiting the present application.
It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other suitable relationship. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. The terms "first", "second", "third", etc. are only for convenience in describing the present technical solution, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
Fig. 1 is the schematic diagram of the existing vehicle braking system provided by the embodiment of the application, compressed air provided by an air source 1 passes through a four-loop protection valve 2 and is distributed to a rear brake air cylinder 3, a front brake air cylinder 4 and a parking air cylinder 5, the compressed air in the rear brake air cylinder 3 and the front brake air cylinder 4 respectively reaches an air inlet of a brake master cylinder 6 through an air pipe, meanwhile, the compressed air in the rear brake air cylinder 3 also reaches an air inlet of a relay valve 11 through an air pipe, the compressed air in the parking air cylinder 5 reaches an air inlet of a hand brake valve 13 through an air pipe, and meanwhile, the compressed air also reaches an air inlet of a differential valve 10 through an air pipe.
The service braking is as follows: the master cylinder 6 is stepped on, two paths of inlet air of the master cylinder 6 are correspondingly divided into two paths of outlet air, one path of inlet air successively passes through the quick release valve 7 and the ABS electromagnetic valve 8 to reach a front axle brake air chamber 9 to realize front wheel braking, the other path of inlet air reaches a control port of the relay valve 11 to open the relay valve 11 to enable an air inlet and an air outlet of the relay valve to be communicated, and compressed air at an air outlet of the relay valve 11 passes through the ABS electromagnetic valve 8 to reach a front cavity of a rear axle brake air chamber 12 to realize rear wheel braking (the rear axle brake air chamber 12 is of a spring energy storage dual-cavity structure, the front cavity is connected with the service brake, namely, the rear wheel brake can be realized when compressed air enters, the rear wheel brake can be realized when the compressed air enters, and the rear wheel brake can be realized through a spring when the compressed air does not exist).
The parking brake is as follows: the hand brake valve 13 controls the handle to move forward, so that the air inlet and the air outlet of the hand brake valve 13 are communicated, then the compressed air at the air outlet of the hand brake valve 13 reaches the control port of the differential valve 10, the air inlet and the air outlet of the differential valve 10 are communicated by opening the differential valve, so that the compressed air reaches the rear cavity of the rear axle brake air chamber 12, and the rear wheels are braked; on the contrary, when the control handle of the hand brake valve 13 is operated backwards, the air inlet and the air outlet are disconnected, meanwhile, the air outlet of the hand brake valve 13 is communicated with the atmosphere, so that compressed air in the control port of the differential valve 10 is exhausted, the differential valve 10 is closed, the air inlet and the air outlet are disconnected, the air outlet of the differential valve 10 is communicated with the atmosphere, the compressed air is exhausted, and the rear cavity of the rear axle brake air chamber 12 realizes rear wheel braking under the action of a spring.
This embodiment provides an emergency brake device, and fig. 2 is an emergency brake device structure sketch map that this application embodiment provided, includes: the brake system comprises a detection mechanism 100, a control mechanism 200 and an execution mechanism 300, wherein the detection mechanism 100 is arranged in a brake system of the air brake automobile and used for detecting the service brake state of the brake system and outputting brake state information based on the service brake state, the control mechanism 200 is connected with the detection mechanism 100 and the execution mechanism 300 and used for controlling the working state of the execution mechanism 300 according to the brake state information, and the execution mechanism 300 is connected in a pipeline between an air inlet of a hand brake valve 13 and an air outlet of a parking air storage cylinder 5 and used for adjusting the conduction state of the air inlet of the hand brake valve 13 according to the working state.
Alternatively, the control mechanism 200 and the detection mechanism 100 and the actuator 300 may be connected and transmit information in a wired or wireless manner. The control mechanism 200 may be a car chip, a brake chip, etc. in the entire vehicle.
Through the application, when the driving brake fails, the execution mechanism disconnects the connection of the air inlet of the hand brake valve, the parking brake system is triggered to work, the automatic starting parking brake is realized, the brake response time is shortened, the time delay of judgment and control when a driver manually operates the parking brake is avoided, and the brake effect is improved.
Fig. 3 is a schematic structural diagram of a detection mechanism provided in an embodiment of the present application, and in an implementation manner of the present embodiment, the detection mechanism 100 includes: and a first detection mechanism 110, wherein the first detection mechanism 110 is located on the master cylinder 6 of the brake system, and is used for detecting service brake input information of the brake system and outputting first brake state information based on the service brake input information.
In another embodiment of this embodiment, the first detecting mechanism 110 may be located above or near the pedal of the master cylinder 6, and detect the service brake input information by detecting the state change of the master cylinder 6, so as to output the first state information based on the service brake input information.
Through the embodiment, the state change of the master cylinder is detected, the service braking input information of the braking system is directly detected, and the real service braking intention of a vehicle driver can be monitored more quickly and efficiently.
In one embodiment of the present embodiment, referring to fig. 3, the detection mechanism 100 comprises a second detection mechanism 120, wherein the second detection mechanism 120 is arranged on a pipeline of the brake system for detecting service brake output information of the brake system and outputting second brake state information based on the service brake output information.
The second detection mechanism is arranged on the pipeline of the brake system, so that the service brake output information on the pipeline of the brake system can be directly detected, the detection speed is more efficient, and the service brake input information is fed back most directly.
In one embodiment of the present embodiment, the first detection mechanism 110 includes: and an angle sensor, wherein the angle sensor is fixed on the master cylinder 6 and used for detecting the angle information of the pedal of the master cylinder 6 and generating and outputting first braking state information based on the angle information and an angle threshold value.
Fig. 4 is a schematic diagram of a braking system of an additional emergency braking device provided in an embodiment of the present application, an angle sensor obtains angle information of a pedal of a master cylinder 6 and compares the angle information with an angle threshold value, so as to determine whether a service braking signal is given when a driver steps on the pedal of the master cylinder 6, when the service braking signal is detected, the angle sensor generates and outputs first braking state information, which may include a voltage signal, a current signal, and the like, for example, if the obtained angle information that the driver steps on the pedal of the master cylinder 6 is greater than the angle threshold value, a voltage of 5V is output, otherwise, if the obtained angle information is less than or equal to the angle threshold value, a voltage of 0V is output.
In another embodiment of this embodiment, the first detection mechanism 110 may also be a camera or a position sensor disposed above or near the master cylinder 6, and determines whether the driver gives a service braking signal by comparing whether the position change of the pedal of the master cylinder 6 exceeds a position change threshold.
Through the embodiment, after the angle information of the pedal of the master cylinder is acquired, the first braking state information is generated and output based on the angle information and the angle threshold value, so that misjudgment of the service braking input signal can be avoided, and the angle change of the pedal of the master cylinder in the free stroke caused by the jolt of the automobile due to road conditions can be avoided.
In one embodiment of the present embodiment, referring to fig. 4, the second detection mechanism 120 includes: and a first pressure switch 121, wherein the first pressure switch 121 is disposed on a pipeline of an air outlet of the relay valve 11, and is used for acquiring first pressure information of the rear axle brake air chamber 12, and wherein the second brake state information includes the first pressure information.
Optionally, the first pressure switch 121 is in a normally open state, when service braking is normal, a pedal of the master cylinder 6 is stepped on, compressed air flows through the ABS solenoid valve 8 to reach the rear axle brake air chamber 12 at an air outlet of the relay valve 11, thereby implementing service braking, at this time, the switch of the first pressure switch 121 is also closed because of the compressed air, otherwise, when the pedal of the master cylinder 6 is stepped on, the air outlet of the relay valve 11 does not have the compressed air, at this time, service braking fails, the first pressure is opened and is in an open state, and then the first pressure switch 121 outputs second braking state information based on the first pressure information, so as to determine whether service braking is in a failure state, where of course, the second braking state information may be a closed or open state of the pressure switch in this application, or may also be a voltage signal, a current signal, and the like, which characterize whether service braking is failed.
In another embodiment of this embodiment, the first pressure switch 121 may be further configured as a pressure sensor, and when a pedal of the master cylinder 6 is pressed down to give a service braking signal, the pressure sensor obtains first pressure information, and compares the first pressure information with a first pressure threshold value, so as to determine whether service braking is in a failure state, and then outputs second braking state information.
Through the pressure information who acquires rear axle brake chamber, detect service brake output information, whether the rear wheel braking that can the direct reflection car can take effect, simultaneously, only need detect rear axle brake chamber alone and have or not pressure information, alright learn whether can realize the rear wheel braking, just can learn its braking effect when the rear wheel braking has not taken place yet, consequently the testing result is faster, has greatly shortened the reaction time of emergency braking.
In one embodiment of the present embodiment, referring to fig. 4, the second detection mechanism 120 further includes: and a second pressure switch 122, wherein the second pressure switch 122 is arranged on a pipeline of the air outlet of the quick release valve 7, and is used for acquiring second pressure information of the front axle brake air chamber 9, and the second brake state information includes the second pressure information.
Optionally, the second pressure switch 122 may also be configured as a pressure sensor, and when a pedal of the master cylinder 6 is pressed down to give a service braking signal, the second pressure information is obtained by the pressure sensor and compared with a second pressure threshold, so as to determine whether service braking is in a failure state, and then output the second braking state information.
Through the pressure information who acquires front axle brake chamber, detect service brake output information, whether the front wheel braking that can the direct reflection car can take effect, simultaneously, only need detect front axle brake chamber alone and have or not pressure information, alright learn whether can realize the front wheel braking, just can learn its braking effect when the front wheel braking has not taken place yet, consequently the testing result is faster, has greatly shortened the reaction time of emergency braking.
In another embodiment of this embodiment, the second detecting mechanism 120 may also be a speed sensor disposed on the vehicle body, and when the pedal of the master cylinder 6 is depressed to give a service braking signal, the second braking state information is output by detecting whether the vehicle body speed is reduced, and determining whether the service braking is in a failure state based on the speed change rate.
In one embodiment of the present embodiment, the control mechanism 200 includes: the brake control device comprises a receiving module, an operation module and an output module, wherein the receiving module is used for receiving brake state information, the operation module is used for generating first control information or second control information according to the brake state information, the first control information is used for indicating that an air inlet of the hand brake valve is in a connected state, the second control information is used for indicating that the air inlet of the hand brake valve is in a disconnected state, and the output module is used for sending the first control information or the second control information to an executing mechanism.
Alternatively, the first control information and the second control information are two different control signals given by the control mechanism 200 based on whether the service braking state is failed, and may be voltage, current signals, etc., for example, when the control mechanism 200 determines that the service braking is failed, a voltage signal of 12V or 24V is given, and when the control mechanism 200 determines that the service braking is normal, a voltage signal of 0V is given.
In one embodiment of the present embodiment, the actuator 300 includes: the two-position three-way electromagnetic valve is used for communicating an air inlet of the hand brake valve 13 with an air outlet of the parking air cylinder 5 when receiving the first control information; upon receiving the second control information, the air inlet of the hand brake valve 13 is disconnected from the air outlet of the parking air cylinder 5, and the compressed air in the hand brake valve 13 is evacuated.
Fig. 5 is a schematic structural diagram of a two-position three-way valve provided in the embodiment of the present application, the two-position three-way solenoid valve is connected in series in an air pipe between an air inlet of the hand brake valve 13 and an air outlet of the parking air cylinder 5, wherein, a first interface 501 of the two-position three-way electromagnetic valve is connected with an air inlet of the hand brake valve 13, a second interface 502 is connected with an air outlet of the parking air cylinder 5, a third interface 503 is communicated with the atmosphere, in the initial state, the first interface 501 is communicated with the second interface 502, and the first interface 501 and the third interface 503 are in an off state, when first control information is received, the two-position three-way electromagnetic valve keeps the initial state, so that the air inlet of the hand brake valve 13 is communicated with the air outlet of the parking air cylinder 5, when the second control information is received, the two-position three-way electromagnetic valve disconnects the communication state between the first interface 501 and the second interface 502, and connects the first interface and the third interface 503.
Fig. 6 is a control strategy diagram of an emergency braking system according to an embodiment of the present application, where in the control strategy shown in 6-1, an angle sensor detects that angle information of a pedal of a master cylinder 6 is less than or equal to an angle threshold, and at this time, there is no service braking signal, so as to generate and output an OV voltage signal (first braking state information), at this time, there is no compressed air at an air outlet of a relay valve 11 and an air outlet of a quick release valve 7, both a first pressure switch 121 and a second pressure switch 122 are in an off state (second braking state information), a control mechanism 200 outputs a 0V voltage signal (first control information), and a two-position three-way electromagnetic valve maintains an initial state; 6-2, when the angle sensor detects that the angle information of the pedal of the master cylinder 6 is greater than an angle threshold value, a service brake signal is generated, and a 5V voltage signal (first brake state information) is generated and output, at this time, service braking is normal, compressed air exists at both the air outlet of the relay valve 11 and the air outlet of the quick release valve 7, so that both the first pressure switch 121 and the second pressure switch 122 are in a closed state (second brake state information), the control mechanism 200 outputs a 0V voltage signal (first control information), and the two-position three-way electromagnetic valve keeps an initial state; 6-3, when the angle sensor detects that the angle information of the pedal of the master cylinder 6 is greater than the angle threshold, a service brake signal exists, and a 5V voltage signal (first brake state information) is generated and output, at this time, the service brake fails, no compressed air exists at the air outlet of the relay valve 11 or the air outlet of the quick release valve 7, so that the first pressure switch 121 or the second pressure switch 122 is in an off state (second brake state information), the control mechanism 200 outputs a 12V or 24V voltage signal (first control information), the two-position three-way electromagnetic valve disconnects the air inlet of the hand brake valve 13 from the air outlet of the parking air storage cylinder 5, and exhausts the compressed air in the hand brake valve 13, so that the parking brake is automatically started when the service brake fails.
The application also provides an automobile controller, such as an automobile control assembly, a brake assembly and the like, which comprises the emergency brake device described in the above embodiment and other related devices.
The application also provides a pneumatic braking automobile, such as a new energy automobile, an electric automobile and the like, which comprises the emergency braking device described in the embodiment and other related devices.
Through the emergency braking device that this application provided, when service brake system became invalid, detection mechanism sent brake state information for control mechanism, control mechanism can be according to brake state information, control actuating mechanism breaks off the connection of the air inlet of hand brake valve, trigger parking braking system work, realize automatic start parking braking when service brake became invalid, the braking response time has been shortened, realize quick braking, the time delay of judging and controlling when driver manually operates parking braking has been avoided, thereby promote braking effect.
It is noted that, in this document, 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An emergency brake device, comprising: detection mechanism, control mechanism, actuating mechanism, wherein, detection mechanism sets up in the braking system of air brake car for detect braking system's service braking state, and based on service braking state output braking state information, control mechanism with detection mechanism actuating mechanism connects, is used for the basis braking state information, control actuating mechanism's operating condition, actuating mechanism connects in the pipeline between the gas outlet of the air inlet of hand brake valve and parking gas receiver, is used for according to operating condition adjusts the conducting state of the air inlet of hand brake valve.
2. The apparatus of claim 1, wherein the detection mechanism comprises: the first detection mechanism is located on a master cylinder of the brake system and used for detecting service brake input information of the brake system and outputting first brake state information based on the service brake input information.
3. The apparatus of claim 1 or 2, wherein the detection mechanism comprises a second detection mechanism, wherein the second detection mechanism is disposed on a conduit of the brake system for detecting service brake output information of the brake system and outputting second brake state information based on the service brake output information.
4. The apparatus of claim 2, wherein the first detection mechanism comprises: the angle sensor is fixed on the master cylinder and used for detecting angle information of a pedal of the master cylinder and generating and outputting the first braking state information based on the angle information and an angle threshold value.
5. The apparatus of claim 3, wherein the second detection mechanism comprises: the brake system comprises a first pressure switch, a second pressure switch and a third pressure switch, wherein the first pressure switch is arranged on a pipeline of an air outlet of a relay valve and used for acquiring first pressure information of a rear axle brake air chamber, and the second brake state information comprises the first pressure information.
6. The apparatus of claim 3, wherein the second detection mechanism further comprises: and the second pressure switch is arranged on a pipeline of an air outlet of the quick release valve and used for acquiring second pressure information of a front axle brake air chamber, wherein the second brake state information comprises the second pressure information.
7. The device of claim 1, wherein the control mechanism comprises: the brake control device comprises a receiving module, an operation module and an output module, wherein the receiving module is used for receiving the brake state information, the operation module is used for generating first control information or second control information according to the brake state information, the first control information is used for indicating that an air inlet of the hand brake valve is in a connected state, the second control information is used for indicating that the air inlet of the hand brake valve is in a disconnected state, and the output module is used for sending the first control information or the second control information to the executing mechanism.
8. The apparatus of claim 7, wherein the actuator comprises: the two-position three-way electromagnetic valve is used for communicating an air inlet of the hand brake valve with an air outlet of the parking air cylinder when receiving the first control information; and when the second control information is received, disconnecting the air inlet of the hand brake valve from the air outlet of the parking air cylinder, and exhausting the compressed air in the hand brake valve.
9. An automotive controller, characterized by comprising the emergency braking device according to any one of claims 1 to 8.
10. A pneumatic brake vehicle comprising an emergency brake device according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121686736.0U CN215553114U (en) | 2021-07-22 | 2021-07-22 | Emergency braking device, automobile controller and air braking automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121686736.0U CN215553114U (en) | 2021-07-22 | 2021-07-22 | Emergency braking device, automobile controller and air braking automobile |
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| CN215553114U true CN215553114U (en) | 2022-01-18 |
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| CN202121686736.0U Active CN215553114U (en) | 2021-07-22 | 2021-07-22 | Emergency braking device, automobile controller and air braking automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114604222A (en) * | 2022-03-31 | 2022-06-10 | 徐工集团工程机械股份有限公司科技分公司 | Loader brake fault detection and emergency brake system and control method |
-
2021
- 2021-07-22 CN CN202121686736.0U patent/CN215553114U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114604222A (en) * | 2022-03-31 | 2022-06-10 | 徐工集团工程机械股份有限公司科技分公司 | Loader brake fault detection and emergency brake system and control method |
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