CN202541515U - Electromagnetic valve for hill start of AMT vehicle - Google Patents
Electromagnetic valve for hill start of AMT vehicle Download PDFInfo
- Publication number
- CN202541515U CN202541515U CN2012201981415U CN201220198141U CN202541515U CN 202541515 U CN202541515 U CN 202541515U CN 2012201981415 U CN2012201981415 U CN 2012201981415U CN 201220198141 U CN201220198141 U CN 201220198141U CN 202541515 U CN202541515 U CN 202541515U
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- valve
- electromagnetic valve
- anger
- air cavity
- giving vent
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Abstract
The utility model discloses a solenoid valve for AMT vehicle hill start, including the solenoid valve casing, the air cavity that admits air of setting in the solenoid valve casing, the air cavity of giving vent to anger, the exhaust control chamber, the control chamber of giving vent to anger, the first valve of break-make between air cavity and the exhaust control chamber admits air of control, the second valve of break-make between air cavity and the air control chamber of giving vent to anger, wherein, be equipped with first intercommunication pipeline between air cavity and the air cavity of giving vent to anger, be equipped with second intercommunication pipeline between air cavity and the solenoid valve gas vent of giving vent to anger, be equipped with the diaphragm valve that can plug up second intercommunication. The utility model discloses make the vehicle that uses this solenoid valve can avoid flame-out or swift current slope when hill start, in addition, this solenoid valve can be controlled its self by TCU and aerifys and exhaust velocity, has reached the vehicle braking and has removed the effect that the process can be controlled.
Description
Technical field
The utility model relates to car ramp starting ancillary system technical field, is specifically related to the electromagnetic valve of a kind of AMT of being used for (AutomatedMechanicalTransmission, electrical control automatic manual transmission case) car ramp starting.
Technical background
Common manual is kept off a car when uphill starting, needs chaufeur skilled control throttle, brake and power-transfer clutch, just can make the vehicle gentle start.If control is made a fault, thereby possibly cause vehicle slide slope to cause traffic accident.
To above-mentioned technical matters, existing uphill starting auxiliary device is as illustrated in fig. 1 and 2, on the driving brake circuit, increases a 2/2-way electromagnetic valve 20, simultaneously check valve 18 of parallel connection.The service brake loop is made up of compressed air brake cylinder 19, ECU (Electronicl ControUnit), pressure switch 17, EDC (Electric Diesel Control), brake pedal 15, air receiver 16.When this system did not work, as shown in Figure 1,2/2-way electromagnetic valve 20 was often opened, and service brake can realize normally charging and discharging gas.During this system works, as shown in Figure 2,2/2-way electromagnetic valve 20 gas circuits are broken off.When braking was removed, the compressed gas in the compressed air brake cylinder 19 was because the one-way function of check valve 18 can't discharge, and this moment, vehicle kept braking mode.When system reached exit criteria, control 2/2-way electromagnetic valve 20 was opened, and discharges the compressed gas in the air chamber, and car brakeing is removed.Through the control of this system, can improve the safety of car ramp starting, reduce the complexity of driver's operation.
But there is the opening and closing two states in 20 of 2/2-way electromagnetic valves in the said system, can't control gas flow, and it is constant therefore braking the releasing process.If the intention of chaufeur is the quick operated start vehicle, because the 20 brake off times of 2/2-way electromagnetic valve are constant, vehicle can't fast starting; Regulation in the system strategy control, when chaufeur loosen the brake after 2 seconds, no matter whether vehicle reaches the starting requirement, and system will withdraw from automatically.If at this moment vehicle does not have enough tractive forces, still can occur stopping working or slipping sloping phenomenon.
Chinese patent CN201367018; Name is called a kind of all-in-one-piece automobile hill start ancillary system pneumatic control valve; Uphill starting when this patent has solved service brake through the form that adopts the combination of three electromagnetic valves is flame-out or slip the technical matters on slope, but this technical scheme can not solve braking during standstill the time car ramp starting flame-out easily or slip the technical matters on slope.
The utility model content
The purpose of the utility model is to above-mentioned technical matters, and a kind of electromagnetic valve of the AMT of being used for car ramp starting is provided, exist in the time of avoiding vehicle at uphill starting after in car ramp starting ancillary system, using this electromagnetic valve flame-out or the sloping phenomenon of slipping.Solved the 2/2-way electromagnetic valve that uses in the existing car ramp starting ancillary system and only had the opening and closing two states, the technical matters that can't control gas flow.
For realizing this purpose; The utility model institute design-calculated is used for the electromagnetic valve of AMT car ramp starting; Comprise the electromagnetic valve housing; It is characterized in that: also comprise break-make between the air inlet air cavity that is arranged in the electromagnetic valve housing, the air cavity of giving vent to anger, exhaust control chamber, the control chamber of giving vent to anger, control air inlet air cavity and the exhaust control chamber first valve, control the air inlet air cavity and second valve of the break-make between the control chamber of giving vent to anger; Wherein, the said control chamber of giving vent to anger is provided with first connecting pipe that both are communicated with giving vent to anger between the air cavity, is provided with second connecting pipe that both are communicated with between said give vent to anger air cavity and the electromagnetic valve exhausr port; In second connecting pipe, be provided with the diaphragm valve that can block second connecting pipe, said diaphragm valve is positioned at the exhaust control chamber.
Said exhaust control chamber offers deflation hole, and the exhaust control chamber is communicated with the electromagnetic valve exhausr port through deflation hole, the end control air inlet air cavity of said first valve and the break-make between the exhaust control chamber; The break-make of the other end control deflation hole of first valve.
Said first valve and second valve are the magnet control valve.
The control end of said magnet control valve connects the Automatic Transmission control unit, the valve opening dutycycle of said Automatic Transmission control unit control magnet control valve.
Said air inlet air cavity connects the vehicle air receiver; The said air cavity of giving vent to anger connects the spring cavity of truck spring compressed air brake cylinder; Said electromagnetic valve exhausr port is communicated with atmosphere.
The utility model designed have the air inlet air cavity, the electromagnetic valve of the air cavity of giving vent to anger, exhaust control chamber, the control chamber of giving vent to anger, diaphragm valve, first valve and second valve; Above-mentioned valve can be controlled the conducting between the above-mentioned respective cavities; Through Automatic Transmission control unit (TCU; TransmissionControlUnit) can control above-mentioned cavity inflation and exhaust velocity, reach car brakeing and removed the effect that process can be controlled.Make the vehicle that uses this electromagnetic valve can avoid the flame-out or slide slope of uphill starting behind braking during standstill.In addition, the gas circuit of the utility model is reasonable in design, and novel structure adopts the uphill starting electromagnetic valve of the utility model to replace original " electromagnetic valve+check valve " structure, and integrated level is high, and is easy for installation.
Description of drawings
Functional block diagram when Fig. 1 does not work for existing uphill starting ancillary system;
Functional block diagram when Fig. 2 works for existing uphill starting ancillary system;
Fig. 3 is the structural representation of the utility model mode of operation;
Fig. 4 is the structural representation of the utility model exhaust condition;
Fig. 5 is the structural representation of the utility model no signal condition;
Fig. 6 is for installing the uphill starting ancillary system functional block diagram of the utility model.
Wherein, 1-electromagnetic valve housing, 2-air inlet air cavity, the 3-air cavity of giving vent to anger, 4-exhaust control chamber, the 5-control chamber of giving vent to anger, 6-the first valve, 7-the second valve, 8-the first connecting pipe, 9-electromagnetic valve exhausr port, 10-the second connecting pipe, 11-diaphragm valve, 12-deflation hole, 13-the second electromagnet, 14-the first electromagnet, 15-brake pedal, 16-air receiver, 17-pressure switch, 18-check valve, 19-compressed air brake cylinder, 20-2/2-way electromagnetic valve, 21-vehicle air receiver, 22-hand control valve (HCV), 23-differential type relay valve, 24-truck spring compressed air brake cylinder.Arrow in Fig. 3 ~ 6 is represented the direction of gas flow and the direction of valve motion.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done further to specify:
The electromagnetic valve that is used for the starting of AMT car ramp shown in Fig. 3 ~ 5; Comprise electromagnetic valve housing 1; Also comprise break-make between the air inlet air cavity 2 that is arranged in the electromagnetic valve housing 1, the air cavity 3 of giving vent to anger, exhaust control chamber 4, the control chamber 5 of giving vent to anger, control air inlet air cavity 2 and the exhaust control chamber 4 first valve 6, control air inlet air cavity 2 and second valve 7 of the break-make between the control chamber 5 of giving vent to anger; Wherein, The control chamber 5 of giving vent to anger is provided with first connecting pipe 8 that both are communicated with giving vent to anger between the air cavity 3; Giving vent to anger is provided with second connecting pipe 10 that both are communicated with between air cavity 3 and the electromagnetic valve exhausr port 9, in second connecting pipe 10, is provided with the diaphragm valve 11 that can block second connecting pipe 10, and diaphragm valve 11 is positioned at exhaust control chamber 4.Exhaust control chamber 4 offers deflation hole 12, and exhaust control chamber 4 is communicated with electromagnetic valve exhausr port 9 through deflation hole 12, the end control air inlet air cavity 2 of said first valve 6 and the break-make between the exhaust control chamber 4; The break-make of the other end control deflation hole 12 of first valve 6.
In the technique scheme, first valve 6 and second valve 7 are the magnet control valve.
In the technique scheme, it is TCU that the control end of said magnet control valve connects the Automatic Transmission control unit, the valve opening dutycycle of said Automatic Transmission control unit control magnet control valve.
In the technique scheme, air inlet air cavity 2 connects vehicle air receiver 21; The air cavity 3 of giving vent to anger connects the spring cavity of truck spring compressed air brake cylinder 24; Electromagnetic valve exhausr port 9 is communicated with atmosphere.
The working process of the utility model is: stay when vehicle and be parked in when preparing starting on the ramp, at first start the uphill starting switch by chaufeur.This moment, TCU sent instruction to the uphill starting electromagnetic valve; Second electromagnet 13 is closed second valve 7, an end (being the upper end among Fig. 6) the blocking-up air inlet air cavity 2 of first electromagnet, 14 controls, first valve 6 and the other end (being the lower end among Fig. 6) of exhaust control chamber 4, the first valves 6 and then is in opening.Pressurized air can only arrive the air inlet air cavity 2 of uphill starting electromagnetic valve, and gas circuit is broken off.Behind the chaufeur RELEASE PARKINGBRAKE, the pressure gas in the vehicle air receiver 21 arrives uphill starting electromagnetic valve place through hand control valve (HCV) 22 and differential type relay valve 23.Because gas circuit is broken off, the pressure gas in the vehicle air receiver 21 can't get into the spring cavity of truck spring compressed air brake cylinder 24, and spring force can't be removed, and this moment, vehicle kept braking mode (as shown in Figure 4).
Constantly increase the propulsive effort of vehicle through throttle when chaufeur; The vehicle electric system monitoring sends instruction through TCU to the uphill starting electromagnetic valve after being enough to overcome the gradient resistance of vehicle to propulsive effort, and an end (being the upper end among Fig. 6) of first electromagnet, 14 controls, first valve 6 is opened; Make air inlet air cavity 2 and exhaust control chamber 4 be communicated with; The other end of first valve 6 (being the lower end among Fig. 6) is in closed condition, and deflation hole 12 is plugged, and this moment, pressurized air got into the bottom that exhaust control chamber 4 acts on diaphragm valve 11; Second connecting pipe 10 and outlet chamber 3 broken off, broken off being communicated with of outlet chamber 3 and electromagnetic valve exhausr port 9 indirectly; Simultaneously; Second electromagnet 13 is opened second valve 7; Pressurized air gets into the spring cavity of truck spring compressed air brake cylinder 24 behind air inlet air cavity 2, the control chamber 5 of giving vent to anger, first connecting pipe 8, the air cavity 3 of giving vent to anger, remove braking during standstill behind the compression spring, makes vehicle be in the starting state.Size through second electromagnet, 13 controls, second valve, 7 dutycycles (is a valve open-interval ratio in the unit time; Flow that like this can control gaseous); Thereby control uphill starting electromagnetic valve is given the inflation rate of truck spring compressed air brake cylinder 24, can also remove the speed of braking during standstill according to the big or small control vehicle of throttle.
Vehicle begin to remove braking during standstill but also not the starting process in; If chaufeur stops starting; TCU controls second electromagnet 13 and closes second valve 7, the end blocking-up air inlet air cavity 2 of first electromagnet, 14 controls, first valve 6 and the connection of exhaust control chamber 4; The other end of first valve 6 is opened deflation hole 12; Pressurized air in the exhaust control chamber 4 gets into atmosphere through deflation hole 12, exhausr port 9, and diaphragm valve 11 is opened (thereby second connecting pipe 10 and the air cavity 3 of giving vent to anger are communicated with), and the pressurized air that has got into truck spring compressed air brake cylinder 24 is through air cavity 3, second connecting pipe 10 of giving vent to anger; Discharge from electromagnetic valve exhausr port 9, make vehicle still be in safe braking during standstill state.
Propulsive effort at vehicle does not overcome under the prerequisite of gradient resistance, and the vehicle electric system can not send the order of brake off to the uphill starting electromagnetic valve.When chaufeur is stepped on the throttle with slower speed, TCU will control the uphill starting electromagnetic valve and with slower speed truck spring compressed air brake cylinder 24 inflated, the intention that slow brake off caters to chaufeur.If the violent step on the accelerator of chaufeur, TCU will be controlled uphill starting electromagnetic valve standard-sized sheet, quick brake off.
The content that this specification sheets is not done to describe in detail belongs to this area professional and technical personnel's known prior art.
Claims (7)
1. one kind is used for the electromagnetic valve that the AMT car ramp is started to walk; Comprise electromagnetic valve housing (1); It is characterized in that: second valve (7) that also comprises break-make between air inlet air cavity (2), the air cavity of giving vent to anger (3), exhaust control chamber (4), the control chamber of giving vent to anger (5), first valve (6) of controlling break-make between air inlet air cavity (2) and the exhaust control chamber (4), control air inlet air cavity (2) and the control chamber of giving vent to anger (5) that is arranged in the electromagnetic valve housing (1); Wherein, Be provided with first connecting pipe (8) that both are communicated with between the said control chamber of giving vent to anger (5) and the air cavity of giving vent to anger (3); Be provided with second connecting pipe (10) that both are communicated with between the said air cavity of giving vent to anger (3) and the electromagnetic valve exhausr port (9); In second connecting pipe (10), be provided with the diaphragm valve (11) that can block second connecting pipe (10), said diaphragm valve (11) is positioned at exhaust control chamber (4).
2. the electromagnetic valve that is used for the starting of AMT car ramp according to claim 1; It is characterized in that: said exhaust control chamber (4) offers deflation hole (12); Exhaust control chamber (4) is communicated with electromagnetic valve exhausr port (9) through deflation hole (12), the end control air inlet air cavity (2) of said first valve (6) and the break-make between the exhaust control chamber (4); The break-make of the other end control deflation hole (12) of first valve (6).
3. the electromagnetic valve that is used for the starting of AMT car ramp according to claim 1 and 2, it is characterized in that: said first valve (6) and second valve (7) are the magnet control valve.
4. the electromagnetic valve that is used for the starting of AMT car ramp according to claim 3; It is characterized in that: the control end of said magnet control valve connects the Automatic Transmission control unit, the valve opening dutycycle of said Automatic Transmission control unit control magnet control valve.
5. the electromagnetic valve that is used for the starting of AMT car ramp according to claim 1 and 2 is characterized in that: said air inlet air cavity (2) connects vehicle air receiver (21); The said air cavity of giving vent to anger (3) connects the spring cavity of truck spring compressed air brake cylinder (24); Said electromagnetic valve exhausr port (9) is communicated with atmosphere.
6. the electromagnetic valve that is used for the starting of AMT car ramp according to claim 3 is characterized in that: said air inlet air cavity (2) connects vehicle air receiver (21); The said air cavity of giving vent to anger (3) connects the spring cavity of truck spring compressed air brake cylinder (24); Said electromagnetic valve exhausr port (9) is communicated with atmosphere.
7. the electromagnetic valve that is used for the starting of AMT car ramp according to claim 4 is characterized in that: said air inlet air cavity (2) connects vehicle air receiver (21); The said air cavity of giving vent to anger (3) connects the spring cavity of truck spring compressed air brake cylinder (24); Said electromagnetic valve exhausr port (9) is communicated with atmosphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201981415U CN202541515U (en) | 2012-05-04 | 2012-05-04 | Electromagnetic valve for hill start of AMT vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201981415U CN202541515U (en) | 2012-05-04 | 2012-05-04 | Electromagnetic valve for hill start of AMT vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202541515U true CN202541515U (en) | 2012-11-21 |
Family
ID=47162189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201981415U Expired - Lifetime CN202541515U (en) | 2012-05-04 | 2012-05-04 | Electromagnetic valve for hill start of AMT vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202541515U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102632883A (en) * | 2012-05-04 | 2012-08-15 | 东风汽车有限公司 | Electromagnetic valve for hill start of AMT vehicle |
| CN105782289A (en) * | 2014-12-22 | 2016-07-20 | 林会明 | Integrated control valve for hydrodynamic retarder and control method |
-
2012
- 2012-05-04 CN CN2012201981415U patent/CN202541515U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102632883A (en) * | 2012-05-04 | 2012-08-15 | 东风汽车有限公司 | Electromagnetic valve for hill start of AMT vehicle |
| CN102632883B (en) * | 2012-05-04 | 2014-05-21 | 东风汽车公司 | Solenoid valve for hill start of AMT (automated mechanical transmission) vehicle |
| CN105782289A (en) * | 2014-12-22 | 2016-07-20 | 林会明 | Integrated control valve for hydrodynamic retarder and control method |
| CN105782289B (en) * | 2014-12-22 | 2018-09-14 | 林会明 | Integrated control valve and control method for Retarder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DONGFENG CAR CO. Free format text: FORMER OWNER: DONGFENG AUTOMOBILE CO., LTD. Effective date: 20130715 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130715 Address after: 430056 Wuhan economic and Technological Development Zone, Hubei Province, Dongfeng Road, No. 1, No. Patentee after: Dongfeng Motor Corporation Address before: 430056 Dongfeng Road, Wuhan Economic & Technological Development Zone, Hubei, Wuhan, China, No. 10 Patentee before: DONGFENG MOTER Co.,Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20121121 Effective date of abandoning: 20140521 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20121121 Effective date of abandoning: 20140521 |
|
| RGAV | Abandon patent right to avoid regrant |