CN210000310U - tractor parking device - Google Patents
tractor parking device Download PDFInfo
- Publication number
- CN210000310U CN210000310U CN201920867392.XU CN201920867392U CN210000310U CN 210000310 U CN210000310 U CN 210000310U CN 201920867392 U CN201920867392 U CN 201920867392U CN 210000310 U CN210000310 U CN 210000310U
- Authority
- CN
- China
- Prior art keywords
- tractor
- hand brake
- control unit
- valve
- brake
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Regulating Braking Force (AREA)
- Braking Systems And Boosters (AREA)
Abstract
The utility model discloses an tractor parking device, including the tractor manual brake, the gas receiver, the relay valve, brake air chamber and electron manual brake switch, vehicle control unit, two-way solenoid valve, the gas receiver is connected with the tractor manual brake, electron manual brake switch is connected with vehicle control unit, vehicle control unit is connected with two-way solenoid valve, the entry and the gas receiver of two-way solenoid valve are connected, a pipeline for connecting tractor manual brake and brake air chamber still with two exit linkage that communicate the solenoid valve, when the tractor manual brake is in the state of being drawn, operate electron manual brake switch, electron manual brake switch sends switching signal to vehicle control unit, vehicle control unit realizes corresponding parking function through the break-make of controlling two-way solenoid valve, mechanical hand brake parking mode for traditional single , electron manual brake parking mode has been increased, can improve the security of vehicle, moreover, the steam generator is simple in structure, the cost is lower.
Description
Technical Field
The utility model relates to the technical field of vehicles, in particular to tractor parking device.
Background
With the development of vehicles, the electronic parking technology has widely applied to passenger cars, but the existing heavy commercial tractors adopt air brake, and the brake principle is different from the oil brake of the passenger cars.
The mechanical hand brake function of traditional heavy commercial tractor can't satisfy automatic control's drive-by-wire demand, and in unmanned driving's scene, the scene of automatic parking all can't satisfy.
Therefore, how to provide tractor parking devices to improve the safety of vehicle braking is a technical problem that needs to be solved by those skilled in the art at present.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing kind of tractor parking device, on the basis of realizing the electron parking function, can compatible traditional mechanical type manual brake, can improve the security of vehicle braking.
In order to achieve the above object, the utility model provides a following technical scheme:
tractor parking device comprises a tractor hand brake, an air storage cylinder, a relay valve, a brake air chamber, an electronic hand brake switch, a whole vehicle controller and a two-position two-way electromagnetic valve, wherein the air storage cylinder is connected with the tractor hand brake, the outlet of the relay valve is connected with the brake air chamber, the inlet of the relay valve is connected with the tractor hand brake, the electronic hand brake switch is connected with the whole vehicle controller, the whole vehicle controller is connected with the two-position two-way electromagnetic valve, the inlet of the two-position two-way electromagnetic valve is connected with an air outlet pipeline of the air storage cylinder, and a pipeline for connecting the tractor hand brake with the brake air chamber is further connected with the outlet of the two-position communication electromagnetic valve.
Preferably, still include trailer manual brake, two solenoid valves of second and trailer valve, the trailer manual brake with the trailer valve is connected, is used for connecting the trailer manual brake with the pipeline of trailer valve still with the exit linkage of two solenoid valves of second, the entry of two solenoid valves of second with the gas storage cylinder give vent to anger the pipe connection, vehicle control unit still with two solenoid valves of second are connected.
Preferably, the pneumatic tractor further comprises an th pressure switch connected with the vehicle control unit, wherein the th pressure switch is used for detecting the air pressure in a pipeline connecting the tractor hand brake and the relay valve.
Preferably, the vehicle control system further comprises a second pressure switch connected with the vehicle control unit, and the second pressure switch is used for detecting air pressure in a pipeline connecting the trailer hand brake and the trailer valve.
Preferably, the vehicle-mounted parking brake further comprises a hand brake position sensor connected with the vehicle control unit, the hand brake position sensor is used for detecting the working state of the tractor hand brake and sending the working state to the vehicle control unit, and the vehicle control unit prohibits the response of the electronic hand brake switch request when the tractor hand brake is in the laid-down working state.
Preferably, the vehicle-mounted remote monitoring system further comprises a vehicle-mounted remote monitoring terminal and a remote controller, wherein the vehicle-mounted remote monitoring terminal is used for receiving a wireless parking instruction sent by the remote controller and sending the wireless parking instruction to the vehicle control unit.
Compared with the prior art, the technical scheme has the following advantages:
the utility model provides a tractor parking device, including the tractor hand brake, the gas receiver, the relay valve, brake air chamber and electron hand brake switch, vehicle control unit, two-way solenoid valve, the gas receiver is connected with the tractor hand brake, the export of relay valve is connected with brake air chamber, the entry and the tractor hand brake of relay valve are connected, electron hand brake switch is connected with vehicle control unit, vehicle control unit is connected with two-way solenoid valve, the entry and the gas outlet pipe connection of gas receiver of two-way solenoid valve, the pipeline that is used for connecting tractor hand brake and brake air chamber still with the exit linkage of two-way intercommunication solenoid valve, when the tractor hand brake is in the state of being drawn, accessible operation electron hand brake switch this moment, electron hand brake switch sends switch signal to vehicle control unit, vehicle control unit realizes corresponding parking function through the break-make-break of controlling two-way solenoid valve.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic diagram illustrating a principle of tractor parking devices according to embodiments of the present invention.
The reference numbers are as follows:
1 is the inflation pump, 2 is the gas receiver, 3 is the relay valve, 4 is the middle axle brake chamber, 5 is rear axle brake chamber, 6 is remote control ware, 7 is on-vehicle remote monitoring terminal, 8 is vehicle control unit, 9 is the electron manual brake switch, 10 is the second pressure switch, 11 is the trailer manual brake, 12 is the tractor manual brake, 13 is the manual brake position sensor, 14 is pressure switch, 15 is two-way solenoid valves of , 16 is two-way solenoid valves of second, 17 is the trailer valve.
Detailed Description
The technical solution 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 , but not all embodiments.
Referring to fig. 1, fig. 1 is a schematic diagram illustrating a principle of tractor parking devices according to embodiments of the present invention.
The embodiment of the utility model provides a tractor parking device, including tractor hand brake 12, air receiver 2, relay valve 3, brake chamber and electron hand brake switch 9, vehicle control unit 8, two-way solenoid valve 15 of , air receiver 2 is connected with tractor hand brake 12, air receiver 2 is supplied air by inflating pump 1, the export and the brake chamber of relay valve 3 are connected, the entry and the tractor hand brake 12 of relay valve 3 are connected, manual operation pulls up tractor hand brake 12 and can realize the parking function, electron hand brake switch 9 is connected with vehicle control unit 8, vehicle control unit 8 is connected with two-way solenoid valve 15 of , the entry and the gas outlet pipe connection of air receiver 2 of two-way solenoid valve 15, a pipeline for connecting tractor hand brake 12 and brake chamber still with the exit linkage of two-way intercommunication solenoid valve, when tractor hand brake 12 is in the state of being pulled up, accessible operation electron hand brake switch 9 this moment, electron hand brake switch 9 sends switching signal to vehicle control unit 8, vehicle parking realizes the corresponding safe mode that two-way put up through controlling, therefore the simple cost of the available for the simple safety of the realization of the vehicle.
In addition, the automatic parking brake system further comprises a trailer hand brake 11, a second two-position two-way electromagnetic valve 16 and a trailer valve 17, wherein the trailer valve 17 is used for cutting off an air supply pipeline of the trailer through the control of a driver and simultaneously communicating the air supply pipeline with the atmosphere for braking, the trailer hand brake 11 is connected with the trailer valve 17, a pipeline for connecting the trailer hand brake 11 and the trailer valve 17 is also connected with an outlet of the second two-position two-way electromagnetic valve 16, an inlet of the second two-position two-way electromagnetic valve 16 is connected with an air outlet pipeline of the air storage cylinder 2, and the vehicle controller 8 is also connected with the second two-position two-way electromagnetic valve 16, namely when the tractor hand brake 12 and the trailer hand brake 11 are in a pulled state, the electronic hand brake switch 9 can be operated, the electronic hand brake switch 9 transmits a switching signal to the vehicle controller 8, and the vehicle controller 8 achieves a corresponding parking function through the on-off of the two-position two-way electromagnetic valve.
Specifically, the brake chambers include a middle axle brake chamber 4 and a rear axle brake chamber 5, the middle axle brake chamber 4 is connected through a four-way valve, the rear axle brake chamber 5 is connected through a three-way valve, and the th two-position two-way solenoid valve 15 and the second two-position two-way solenoid valve 16 are respectively connected with corresponding pipelines through three-way valves.
In the tractor parking device provided by this embodiment, the tractor parking device further includes a th pressure switch 14 connected to the vehicle controller 8, the th pressure switch 14 is used for detecting air pressure in a pipeline where the tractor hand brake 12 is connected to the relay valve 3, if the air pressure value reaches a set value, the th pressure switch 14 is closed, and a closing signal is fed back to the vehicle controller 8, and the vehicle controller 8 can determine validity of the hand brake through a feedback signal of the th pressure switch 14.
, a hand brake position sensor 13 is further included and connected to the vehicle controller 8, the hand brake position sensor 13 is configured to detect an operating status of the tractor hand brake 12 and send the detected operating status to the vehicle controller 8, and when the tractor hand brake 12 is in the released operating status, the vehicle controller 8 is prohibited from responding to the request of the electronic hand brake switch 9, that is, the priority level of the mechanical hand brake is higher than the priority level of the electronic hand brake switch 9.
Further , the vehicle-mounted remote monitoring system further comprises a vehicle-mounted remote monitoring terminal 7 and a remote controller 6, wherein the remote controller 6 sends a parking instruction to the vehicle-mounted remote monitoring terminal 7, for example, the parking instruction CAN be sent through a 4G signal of a telecommunication operator network, the vehicle-mounted remote monitoring terminal 7 converts the parking instruction into a CAN message following a J1939 protocol, and the vehicle controller 8 is controlled to realize a remote parking function through the on-off of the two-position two-way electromagnetic valve 15 and the second two-position two-way electromagnetic valve 16, so that the parking function CAN be realized in an unmanned scene.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
It should be noted that, for the person skilled in the art, without departing from the principle of the present invention, the present invention can also be modified and modified, and these modifications and modifications also fall within the protection scope of the claims of the present invention.
Claims (6)
- The tractor parking device is characterized by comprising a tractor hand brake, an air cylinder, a relay valve, a brake air chamber, an electronic hand brake switch, a whole vehicle controller and a two-position two-way electromagnetic valve, wherein the air cylinder is connected with the tractor hand brake, an outlet of the relay valve is connected with the brake air chamber, an inlet of the relay valve is connected with the tractor hand brake, the electronic hand brake switch is connected with the whole vehicle controller, the whole vehicle controller is connected with the two-position two-way electromagnetic valve, an inlet of the two-position two-way electromagnetic valve is connected with an air outlet pipeline of the air cylinder, and a pipeline for connecting the tractor hand brake with the brake air chamber is further connected with an outlet of the two-position communication electromagnetic valve.
- 2. The tractor parking device according to claim 1, further comprising a trailer hand brake, a second two-position two-way solenoid valve and a trailer valve, wherein the trailer hand brake is connected with the trailer valve, a pipeline for connecting the trailer hand brake and the trailer valve is further connected with an outlet of the second two-position two-way solenoid valve, an inlet of the second two-position two-way solenoid valve is connected with an outlet pipeline of the air reservoir, and the vehicle controller is further connected with the second two-position two-way solenoid valve.
- 3. The tractor parking device of claim 2, further comprising an th pressure switch coupled to the vehicle control unit, the th pressure switch configured to detect air pressure in a line connecting the tractor handbrake to the relay valve.
- 4. The tractor parking device of claim 3, further comprising a second pressure switch coupled to the vehicle control unit for detecting air pressure in a line connecting the trailer handbrake to the trailer valve.
- 5. The tractor parking device of claim 1, further comprising a hand brake position sensor coupled to the vehicle control unit, the hand brake position sensor configured to detect an operating state of the tractor hand brake and send the detected operating state to the vehicle control unit, the vehicle control unit being configured to inhibit the vehicle control unit from responding to the electronic hand brake switch request when the tractor hand brake is in the lowered operating state.
- 6. The tractor parking device according to any one of claims 1 to 5 to , further comprising an on-board remote monitoring terminal and a remote controller, wherein the on-board remote monitoring terminal is used for receiving the wireless parking instruction sent by the remote controller and sending the wireless parking instruction to the vehicle control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920867392.XU CN210000310U (en) | 2019-06-10 | 2019-06-10 | tractor parking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920867392.XU CN210000310U (en) | 2019-06-10 | 2019-06-10 | tractor parking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210000310U true CN210000310U (en) | 2020-01-31 |
Family
ID=69309249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920867392.XU Active CN210000310U (en) | 2019-06-10 | 2019-06-10 | tractor parking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210000310U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111775935A (en) * | 2020-07-10 | 2020-10-16 | 浙江吉利新能源商用车集团有限公司 | Parking control system and parking control method based on air brake parking system |
-
2019
- 2019-06-10 CN CN201920867392.XU patent/CN210000310U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111775935A (en) * | 2020-07-10 | 2020-10-16 | 浙江吉利新能源商用车集团有限公司 | Parking control system and parking control method based on air brake parking system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101489845B (en) | Valve unit, brake control device, vehicle brake system and vehicle | |
| CN108883755B (en) | Electronically controllable pneumatic brake system in a commercial vehicle and method for electronically controlling a pneumatic brake system | |
| CN101331042B (en) | Electro-pneumatic brake control device | |
| CN107054332B (en) | A kind of air-pressure electric-control braking system and braking method with fail safe function | |
| US20110005874A1 (en) | Brake system for a vehicle and brake pedal device for such a brake system | |
| CN102470831B (en) | Pneumatic brake system for a trailer, and brake control modulator | |
| CN207089288U (en) | A kind of electronic parking system based on air pressure redundancy | |
| CN110588617B (en) | Control system for realizing driving and emergency parking braking functions of front wheels and rear wheels of explosion-proof vehicle | |
| CN104428180A (en) | Control valve device for a rail vehicle brake | |
| CN100422015C (en) | Pneumatically braking anti-lock brake system for mixed powered automobile | |
| US5806937A (en) | Trailer braking system | |
| CN108928335A (en) | A kind of automatic breaking system for automatic driving car | |
| EP2558338B1 (en) | Tractor-trailer braking system | |
| US20240017701A1 (en) | Method and Brake System for Emergency Stopping of a Commercial Vehicle | |
| CN107512260A (en) | A kind of electronic parking system based on air pressure redundancy | |
| CN106671964A (en) | Module assembly of intelligent electronic halt vehicle system | |
| CN105324284A (en) | Control device for controlling the brakes of a towing vehicle/trailer combination | |
| CN210000310U (en) | tractor parking device | |
| CN109532808B (en) | Electronic parking system and method based on CAN bus control | |
| CN206781738U (en) | A kind of air-pressure electric-control brakes with fail safe function | |
| CA2568461C (en) | Brake pipe control system with remote radio car | |
| CN211765487U (en) | Electric control brake system and unmanned wide-body vehicle | |
| CN110304032B (en) | Parking control system and method for main trailer | |
| CN213948402U (en) | Hill start assist system and vehicle | |
| US20140309900A1 (en) | System and Method for Controlling an Electronic Parking Brake System |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |