CN203391766U - Air pressure adjustable type electrical park brake - Google Patents
Air pressure adjustable type electrical park brake Download PDFInfo
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- CN203391766U CN203391766U CN201320483371.0U CN201320483371U CN203391766U CN 203391766 U CN203391766 U CN 203391766U CN 201320483371 U CN201320483371 U CN 201320483371U CN 203391766 U CN203391766 U CN 203391766U
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- during standstill
- braking during
- air pressure
- air
- electromagnetic valve
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Abstract
The utility model discloses an air pressure adjustable type electrical park brake. The air pressure adjustable type electrical park brake comprises an air storage tank, an air pressure sensor and a parking braking air chamber which are sequentially connected with an air circuit and a parking braking controller which is electrically connected with the air pressure sensor; a first solenoid valve is in series connection with an air circuit which is arranged between the air storage tank and the air pressure sensor; a second solenoid valve which is connected with an air circuit is arranged behind the parking braking air chamber; the first solenoid valve and the second solenoid valve are electrically connected with the parking braking controller. The air pressure adjustable type electrical park brake has the advantages of being good in riding comfort and high in reliability, simultaneously satisfying requirements for driving comfort and safety and being widely applied to medium- and heavy-type automobiles.
Description
Technical field
The utility model belongs to brake system of car technical field, particularly a kind of air pressure adjustable electronic brake system.
Background technology
Inadequate for overcoming the processing safety that medium-heavy automobile air-pressure type electronic emergency brake system exists, the shortcomings such as bad adaptability, Chinese invention patent application (application number 201310025781.5, open day on May 8th, 2013) a kind of vapour-pressure type smart electronics holding brake device is disclosed, this device comprises the air receiver being connected successively by gas circuit, pressure switch, braking during standstill air chamber, and the brake controller being electrically connected to pressure switch, in the gas circuit between described pressure switch and braking during standstill air chamber, be also provided with successively vapour-pressure type integrated electronic braking valve for vehicle and baroceptor, described vapour-pressure type integrated electronic braking valve for vehicle is also connected by wire with brake controller respectively with baroceptor.There is following problem in this vapour-pressure type smart electronics holding brake device:
1. its vapour-pressure type integrated electronic braking valve for vehicle only has two kinds of control positioies, and respectively corresponding enforcement parking and remove parking two states, controls difficulty high, and uphill starting ride comfort is good not;
2. because it only has the parking of enforcement, removes parking two states, compare with traditional manual control formula air pressure emergency brake system, the gas consumption of emergency brake system there is no minimizing, under the special operation condition of frequent start-stop, as crowded road conditions, easily cause air pressure not enough, affect brake safe.
Summary of the invention
The purpose of this utility model is to provide a kind of air pressure adjustable electronic brake system, and braking during standstill ride comfort is good, and reliability is high, can meet traveling comfort and the security requirement of driving simultaneously.
The technical solution that realizes the utility model object is: a kind of air pressure adjustable electronic brake system, comprise the storage tank, baroceptor and the braking during standstill air chamber that by gas circuit, are connected successively, and the braking during standstill controller being electrically connected to baroceptor, in the gas circuit between described storage tank and baroceptor, be also in series with the first electromagnetic valve, after described braking during standstill air chamber, with gas circuit, be connected with the second electromagnetic valve, described the first electromagnetic valve and the second electromagnetic valve are electrically connected to braking during standstill controller.
The utility model compared with prior art, its remarkable advantage:
1, ride comfort is good: air pressure adjustable electronic brake system has two electromagnetic valves, being used in conjunction with respectively corresponding enforcement parking and removing parking and keep parking or these three kinds of states of non-parking of two electromagnetic valves, thereby the control difficulty while greatly reducing system works, and the ride comfort when having improved braking during standstill and removing, be particularly advantageous in and improve uphill starting control effect, strengthen the travelling comfort of vehicle;
2, reliability is high: during the operation of air pressure adjustable electronic brake system, have the third mode of operation, keep parking or non-parking mode of operation, in this state, no matter be after air inlet or after exhaust, capital reserve part high pressure gas are in air receiver, thereby reduce the gas consumption of park braking system for automobile, even under the frequent special operation condition using, can not cause air pressure not enough yet, this increases reliability and the safety of system.
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model air pressure adjustable electronic brake system.
Fig. 2 is the releasing braking during standstill fundamental diagram of the utility model air pressure adjustable electronic brake system.
Fig. 3 be the utility model air pressure adjustable electronic brake system apply braking during standstill fundamental diagram.
Fig. 4 is maintenance parking or the non-parking state fundamental diagram of the utility model air pressure adjustable electronic brake system.
In figure: 1 storage tank, 2 manual mode switch, 3 automatic mode switches, 4 braking during standstill controllers, 5 first electromagnetic valves, 6 second electromagnetic valves, 7 baroceptor, 8 braking during standstill air chambers.
The specific embodiment
As shown in Figure 1, the utility model air pressure adjustable electronic brake system, comprise the storage tank 1, baroceptor 7 and the braking during standstill air chamber 8 that by gas circuit, are connected successively, and the braking during standstill controller 4 being electrically connected to baroceptor 7, in the gas circuit between described storage tank 1 and baroceptor 7, be also in series with the first electromagnetic valve 5, after described braking during standstill air chamber 8, with gas circuit, be connected with the second electromagnetic valve 6, described the first electromagnetic valve 5 and the second electromagnetic valve 6 are electrically connected to braking during standstill controller 4.
Described the first electromagnetic valve 5 and the second electromagnetic valve 6 are 2/2-way normally closed solenoid valve, or one of them is 2/2-way normally closed solenoid valve.
As prior art, braking during standstill controller 4 is also electrically connected to manual mode switch 2, automatic mode switch 3 and power supply and signal.
Native system can be controlled and is divided into automatic mode and manual mode mode of operation by manual mode switch 2, automatic mode switch 3.Describe respectively braking during standstill and brake off working process under its different working modes below in detail.
One, automatic mode
Chaufeur is opened automatic mode switch 3, and automatic mode indicator lamp is lit.Braking during standstill controller 4 receives the signal of automatic mode switch 3, and detect voluntarily automotive ignition key switch state, braking mode, Transmission gear signal and clutch engagement signal, detect the signal of vehicle body obliquity sensor (being integrated in braking during standstill controller) and baroceptor 7 simultaneously, and various signals and state of the system are carried out to integrated logic judgement, form action command, automatically carry out the operation that the braking during standstill of vehicle applies and removes.This partial logic is same as the prior art, not at this detailed description.
As shown in Figure 2, while removing braking during standstill, braking during standstill controller 4 is judged and is drawn instruction by logic, controls the first electromagnetic valve 5 energisings and opens, and high pressure gas enter in braking during standstill air chamber 8 through the first electromagnetic valve 5 and baroceptor 7 from storage tank 1.Simultaneously braking during standstill controller 4 is by detecting the signal of baroceptor 7, the atmospheric pressure value of monitoring braking during standstill air chamber 8, and when the force value of braking during standstill air chamber 8 reaches after its capping, parking indicator lamp extinguishes.Now, braking during standstill air chamber 8 is full of high pressure gas, and energy stroage spring is compressed, and braking during standstill is removed thereupon.
As shown in Figure 4, the pressure in braking during standstill air chamber 8 reaches after requirement, and the first electromagnetic valve 5 power-off are closed, and maintain the high pressure in braking during standstill air chamber 8, and braking during standstill disarm state keeps.
As shown in Figure 3, during braking during standstill, braking during standstill controller 4 is judged and is drawn instruction by logic, controls the second electromagnetic valve 6 energisings and opens, and high pressure gas enter atmosphere from braking during standstill air chamber 8 through the second electromagnetic valve 6.Simultaneously braking during standstill controller 4 is by detecting the signal of baroceptor 7, the atmospheric pressure value of monitoring braking during standstill air chamber 8, and when the force value of braking during standstill air chamber 8 reaches after its preset lower limit, parking indicator lamp is lighted.Along with braking during standstill air chamber 8 internal gas pressures reduce, energy stroage spring resets, and produces braking during standstill power, reaches braking during standstill effect.
Now, as shown in Figure 4, when braking during standstill air chamber 8 inner high voltage gases discharge, or be reduced to after requirements, the second electromagnetic valve 6 power-off are closed, and braking during standstill state keeps.
Two, manual mode
While removing braking during standstill, chaufeur is pressed manual mode button, and as shown in Figure 2, braking during standstill controller 4 is controlled the first electromagnetic valve 5 energisings and opened, and high pressure gas enter in braking during standstill air chamber 8 through the first electromagnetic valve 5 and baroceptor 7 from storage tank 1.Simultaneously braking during standstill controller 4 is by detecting the signal of baroceptor 7, the atmospheric pressure value of monitoring braking during standstill air chamber 8, and when the force value of braking during standstill air chamber 8 reaches after its specific upper limit, parking indicator lamp extinguishes.Now, braking during standstill air chamber 8 is full of high pressure gas, and energy stroage spring is compressed, and braking during standstill is removed thereupon.As shown in Figure 4, the pressure in braking during standstill air chamber 8 reaches after requirement, and the first electromagnetic valve 5 power-off are closed, and maintain the high pressure in braking during standstill air chamber 8, and braking during standstill disarm state keeps.
During braking during standstill, chaufeur is pulled on manual mode button, and as shown in Figure 3, braking during standstill controller 4 is controlled 2/2-way normally closed solenoid valve B energising and opened, and high pressure gas enter atmosphere from braking during standstill air chamber 8 through the second electromagnetic valve 6.Simultaneously braking during standstill controller 4 is by detecting the signal of baroceptor 7, the atmospheric pressure value of monitoring braking during standstill air chamber 8, and when the force value of braking during standstill air chamber 8 reaches after its certain lower limit, parking indicator lamp is lighted.Along with braking during standstill air chamber 8 internal gas pressures reduce, energy stroage spring resets, and produces braking during standstill power, reaches braking during standstill effect.Now, as shown in Figure 4, when braking during standstill air chamber 8 inner high voltage gases discharge, or be reduced to very after low value, the second electromagnetic valve 6 power-off are closed, and keep braking during standstill state.
The utility model compared with prior art, 1, ride comfort is good: air pressure adjustable electronic brake system has two electromagnetic valves, being used in conjunction with respectively corresponding enforcement parking and removing parking and keep parking or these three kinds of states of non-parking of two electromagnetic valves, thereby the control difficulty while greatly reducing system works, and the ride comfort when having improved braking during standstill and removing, be particularly advantageous in and improve uphill starting control effect, strengthen the travelling comfort of vehicle; 2, reliability is high: during the operation of air pressure adjustable electronic brake system, have the third mode of operation, keep parking or non-parking mode of operation, in this state, no matter be after air inlet or after exhaust, capital reserve part high pressure gas are in electromagnetic valve, thereby reduce the gas consumption of park braking system for automobile, even under the frequent special operation condition using, can not cause air pressure not enough yet, this increases reliability and the safety of system.
By system work process, described and can be found out, the effect of described the first electromagnetic valve 5 and the second electromagnetic valve 6 is the switching of gas circuit one-in-and-one-out and controls, and for reducing its current"on"time, is preferably electric pathway, and power-off is opened circuit.2/2-way normally closed solenoid valve is all in closed condition when no power, and in the time of need to carrying out state conversion, just short-term energising is opened, when air pressure reaches demand, then power-off, then keep the current atmospheric pressure value in drg cylinder.So the first electromagnetic valve 5 and the second electromagnetic valve 6 are preferably conventional 2/2-way normally closed solenoid valve, have so both simplified system, greatly reduce cost, also make system reliability increase.
When keeping the braking during standstill state of vehicle or the state of brake off, all do not need electromagnetic valve to power on for a long time, its advantage is: 1, can protect electromagnetic valve, avoiding powering on for a long time, it is overheated to produce; 2, also reduced the ANOMALOUS VARIATIONS of the car brakeing state causing due to the possible damage of cable, safe; 3, system gas circuit (in braking during standstill air chamber) is provided with baroceptor, the air pressure of Real-Time Monitoring drg, for the control of braking, the control of braking during standstill is imposed to quantification, improving roughly simple switch controls, actual demand according to vehicle regulates braking during standstill power, shortens the time that braking applies and removes, and improves and controls effect; 4, baroceptor can be monitored the mode of operation of emergency brake system, if there are the abnormal condition such as system blowby gas path, real in alerting signal, and drives electromagnetic valve to carry out remedial inflation or venting, the safety that raising system is used.
Claims (2)
1. an air pressure adjustable electronic brake system, comprise the storage tank (1) being connected successively by gas circuit, baroceptor (7) and braking during standstill air chamber (8), and the braking during standstill controller (4) being electrically connected to baroceptor (7), it is characterized in that: in the gas circuit between described storage tank (1) and baroceptor (7), be also in series with the first electromagnetic valve (5), at described braking during standstill air chamber (8), with gas circuit, be connected with the second electromagnetic valve (6) afterwards, described the first electromagnetic valve (5) and the second electromagnetic valve (6) are electrically connected to braking during standstill controller (4).
2. air pressure adjustable electronic brake system according to claim 1, is characterized in that: described the first electromagnetic valve (5) is or/and the second electromagnetic valve (6) is 2/2-way normally closed solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320483371.0U CN203391766U (en) | 2013-08-08 | 2013-08-08 | Air pressure adjustable type electrical park brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320483371.0U CN203391766U (en) | 2013-08-08 | 2013-08-08 | Air pressure adjustable type electrical park brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203391766U true CN203391766U (en) | 2014-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320483371.0U Expired - Fee Related CN203391766U (en) | 2013-08-08 | 2013-08-08 | Air pressure adjustable type electrical park brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203391766U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407439A (en) * | 2013-08-08 | 2013-11-27 | 南京理工大学 | Air pressure adjustable type electronic parking braking system |
| CN103770770A (en) * | 2014-02-24 | 2014-05-07 | 南京理工大学 | Integrated automatic parking braking device |
| CN104590225A (en) * | 2014-12-18 | 2015-05-06 | 扬州市奥特瑞汽车电子科技有限公司 | Automatic parking system and method based on pneumatic braking |
-
2013
- 2013-08-08 CN CN201320483371.0U patent/CN203391766U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407439A (en) * | 2013-08-08 | 2013-11-27 | 南京理工大学 | Air pressure adjustable type electronic parking braking system |
| CN103407439B (en) * | 2013-08-08 | 2015-09-23 | 南京理工大学 | Air pressure adjustable electronic brake system |
| CN103770770A (en) * | 2014-02-24 | 2014-05-07 | 南京理工大学 | Integrated automatic parking braking device |
| CN103770770B (en) * | 2014-02-24 | 2015-12-02 | 南京理工大学 | Integrated form automatic parking brake device |
| CN104590225A (en) * | 2014-12-18 | 2015-05-06 | 扬州市奥特瑞汽车电子科技有限公司 | Automatic parking system and method based on pneumatic braking |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 Termination date: 20160808 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |