CN203472847U - Novel multifunctional relay valve - Google Patents
Novel multifunctional relay valve Download PDFInfo
- Publication number
- CN203472847U CN203472847U CN201320614479.9U CN201320614479U CN203472847U CN 203472847 U CN203472847 U CN 203472847U CN 201320614479 U CN201320614479 U CN 201320614479U CN 203472847 U CN203472847 U CN 203472847U
- Authority
- CN
- China
- Prior art keywords
- valve
- air pressure
- control
- brake cylinder
- relay valve
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The utility model discloses a novel multifunctional relay valve. The novel multifunctional relay valve comprises a general mechanical relay valve, a control cavity two-position and two-way solenoid valve, a brake air chamber air pressure maintaining and releasing two-position and two-way solenoid valve and an electromagnet. The general mechanical relay valve comprises a valve body, an air pressure control piston, a piston sealing ring, a valve element, a valve element end sealing ring, a valve element tail sealing ring, a valve element air inlet channel sealing ring, a valve element reset spring and a brake air chamber air pressure sensor. A cavity inside the valve body is divided into a control cavity, an air storage barrel and a brake air chamber. The control cavity comprises an upper part and a lower part. The electromagnet is installed inside the control cavity and makes contact with the air pressure control piston. According to the novel multifunctional relay valve, on the premise that the reliability of an air pressure brake system loop is guaranteed, the integrated electromagnetism acts on an element, the relay valve can achieve the logic control of an air channel and the ABS olenoid valve function under the control of an external computer, and the intelligent level of an automobile can be improved.
Description
Technical field
The utility model relates to heavy motor vehicle electronics (intellectuality) and controls brake system field, relates in particular to a kind of multi-functional relay valve.
Background technology
Along with the development of Eltec, the application of electron controls technology on heavy duty truck is more prevalent, and the electron steering of brake system is also increasingly mature, and the valve element of electromechanical is the important foundation that realizes this development.Meanwhile, the Function Integration Mechanism of these valve parts is also developing direction, and relay valve is used for shortening the reaction time that compression air brake is handled gas circuit, rises and accelerates and fast playing function.ABS(Anti-Lock Brake System anti-skid brake system) system electromagnetic valve is contained between relay valve and compressed air brake cylinder, the pressure that is used for realizing compressed air brake cylinder keeps or earth pressure release, and this relay valve is that to take this two large function be high, the electronic controlled relay valve of basic integrated level.
Utility model content
In order to realize the electron steering of heavy-duty truck brake system, the electromechanical of critical elements and functional diversities become most important, and the utility model provides a kind of failure-free, high, the electronic controlled relay valve of integrated level.
For achieving the above object, the utility model adopts following technical scheme.
Multifunction relay valve described in the utility model comprises: conventional mechanical formula relay valve, two solenoid electric valves, an electromagnet.
Wherein, conventional mechanical formula relay valve comprises, valve body, air pressure control plunger, piston packing ring, spool, spool end part seal circle, spool seal ring at tail part, spool inlet channel seal ring, spool pull back spring, compressed air brake cylinder baroceptor;
Valve inner cavity is divided into control chamber, air receiver, compressed air brake cylinder, and control chamber comprises upper and lower two parts;
On valve body, there is the air pressure of control entrance, main vent, auxiliary exhaust mouth, air receiver operating air pressure interface, compressed air brake cylinder exhaust port;
Two solenoid electric valves are respectively: control chamber 2/2-way electromagnetic valve, compressed air brake cylinder air pressure are protected and put 2/2-way electromagnetic valve;
Control chamber 2/2-way electromagnetic valve is positioned at the control chamber position of valve body;
Compressed air brake cylinder air pressure is protected and is put the compressed air brake cylinder position that 2/2-way electromagnetic valve is positioned at valve body, plays ABS electromagnetic valve function;
An electromagnet can produce respective thrust, is arranged on control chamber, contacts with air pressure control plunger.
Multifunction relay valve principle of work described in the utility model is:
In the normal situation of electric-control system, external control computer is controlled voltage to the output of control chamber 2/2-way electromagnetic valve, this electromagnetic valve is in opening, from controlling the air pressure in air pressure entrance input control chamber, by electromagnetic valve, be discharged into Multifunction relay valve body, control chamber can not be set up effective operating air pressure, thereby air pressure is controlled to shielding, simultaneously, external control computer is to electromagnet input control voltage, and electromagnet produces corresponding displacement, then controls the aperture of air pressure control plunger action circuit.
Now, if ABS system is by being contained in the wheel speed sensor at vehicle hub place, to calculate wheel braking force large, cause wheel in locking state, external control computer is only to protecting and put 2/2-way electromagnetic valve output control voltage with compressed air brake cylinder air pressure, the compressed air brake cylinder air pressure that plays ABS electromagnetic valve function is protected and is put 2/2-way electromagnetic valve and open, and compressed air brake cylinder air pressure is released, and braking force reduces, wheel lockup state is eliminated, and ABS system is in earth pressure release state.
When electric-control system lost efficacy, ABS system in not exciting, computer controls out-of-run state, external control computer is not controlled voltage to Multifunction relay valve output described in the utility model, control chamber 2/2-way electromagnetic valve is in closed condition, Multifunction relay valve is according to the air pressure from control air pressure entrance input control chamber, control the aperture of air pressure control plunger action circuit, meanwhile, the compressed air brake cylinder air pressure guarantor who plays ABS electromagnetic valve function is put 2/2-way electromagnetic valve in closed condition.Multifunction relay valve described in the utility model plays conventional relay valve function.
Improvement effect of the present utility model is exactly: guaranteeing under the failure-free prerequisite of Pneumatic braking system loop, by integrated electric magnetic action element, make relay valve externally under the control of computer, realize logic control and the ABS system electromagnetic valve function of braking gas circuit, contribute to improve the intelligent level of vehicle.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of Multifunction relay valve;
Reference numeral explanation:
1 conventional mechanical formula relay valve
2 control chamber 2/2-way electromagnetic valves
3 compressed air brake cylinder air pressure are protected and are put 2/2-way electromagnetic valve
4 electromagnet
11 valve bodies
12 air pressure control plungers
13 spools
14 compressed air brake cylinder baroceptor
15 control chambers
16 air receivers
17 compressed air brake cylinders
121 piston packing rings
131 spool end part seal circles
132 spool seal ring at tail parts
133 spool inlet channel seal rings
134 spool pull back springs
101 control air pressure entrance
102 main vents
103 auxiliary exhaust mouths
104 air receiver operating air pressure interfaces
105 compressed air brake cylinder exhaust ports
The specific embodiment
For the ease of persons skilled in the art, understand and realize the utility model, now describing by reference to the accompanying drawings a specific embodiment of Multifunction relay valve described in the utility model.
As shown in Figure 1, Multifunction relay valve described in the utility model comprises: conventional mechanical formula relay valve 1, two solenoid electric valves, an electromagnet 4.
Wherein, conventional mechanical formula relay valve comprises, valve body 11, air pressure control plunger 12, piston packing ring 121, spool 13, spool end part seal circle 131, spool seal ring at tail part 132, spool inlet channel seal ring 133, spool pull back spring 134, compressed air brake cylinder baroceptor 14;
Valve inner cavity is divided into control chamber 15, air receiver 16, compressed air brake cylinder 17, and control chamber comprises upper and lower two parts;
On valve body, there is the air pressure of control entrance 101, main vent 102, auxiliary exhaust mouth 103, air receiver operating air pressure interface 104, compressed air brake cylinder exhaust port 105;
Two solenoid electric valves are respectively: control chamber 2/2-way electromagnetic valve 2, compressed air brake cylinder air pressure are protected and put 2/2-way electromagnetic valve 3;
Control chamber 2/2-way electromagnetic valve 2 is positioned at control chamber 15 sidewall locations of valve body 11;
Compressed air brake cylinder air pressure is protected and is put compressed air brake cylinder 17 sidewall locations that 2/2-way electromagnetic valve 3 is positioned at valve body 11, plays ABS electromagnetic valve function;
An electromagnet can produce respective thrust, is arranged on control chamber, contacts with air pressure control plunger.
In the normal situation of electric-control system, external control computer is controlled voltage to the output of control chamber 2/2-way electromagnetic valve, this electromagnetic valve is in opening, from controlling the air pressure in air pressure entrance input control chamber, by electromagnetic valve, be discharged into Multifunction relay valve body, control chamber can not be set up effective operating air pressure, thereby air pressure is controlled to shielding, simultaneously, external control computer is to electromagnet input control voltage, and electromagnet produces corresponding displacement, then controls the aperture of air pressure control plunger action circuit.
Now, if ABS system is by being contained in the wheel speed sensor at vehicle hub place, to calculate wheel braking force large, cause wheel in locking state, external control computer is only to protecting and put 2/2-way electromagnetic valve output control voltage with compressed air brake cylinder air pressure, the compressed air brake cylinder air pressure that plays ABS electromagnetic valve function is protected and is put 2/2-way electromagnetic valve and open, and compressed air brake cylinder air pressure is released, and braking force reduces, wheel lockup state is eliminated, and ABS system is in earth pressure release state.
When electric-control system lost efficacy, ABS system in not exciting, computer controls out-of-run state, external control computer is not controlled voltage to Multifunction relay valve output described in the utility model, control chamber 2/2-way electromagnetic valve is in closed condition, Multifunction relay valve is according to the air pressure from control air pressure entrance input control chamber, control the aperture of air pressure control plunger action circuit, meanwhile, the compressed air brake cylinder air pressure guarantor who plays ABS electromagnetic valve function is put 2/2-way electromagnetic valve in closed condition.Multifunction relay valve described in the utility model plays conventional relay valve function.
Although described the utility model by embodiment, but those of ordinary skills know, in the situation that not departing from spirit of the present utility model and essence, just can make the utility model have many variations and distortion, scope of the present utility model is limited to the appended claims.
Claims (1)
1. a Multifunction relay valve, comprises conventional mechanical formula relay valve, it is characterized in that, also further comprises two solenoid electric valves, an electromagnet,
Wherein, conventional mechanical formula relay valve comprises, valve body, air pressure control plunger, piston packing ring, spool, spool end part seal circle, spool seal ring at tail part, spool inlet channel seal ring, spool pull back spring, compressed air brake cylinder baroceptor;
Valve inner cavity is divided into control chamber, air receiver, compressed air brake cylinder, and control chamber comprises upper and lower two parts;
On valve body, there is the air pressure of control entrance, main vent, auxiliary exhaust mouth, air receiver operating air pressure interface, compressed air brake cylinder exhaust port;
Two solenoid electric valves are respectively: control chamber 2/2-way electromagnetic valve, compressed air brake cylinder air pressure are protected and put 2/2-way electromagnetic valve;
Control chamber 2/2-way electromagnetic valve is positioned at the control chamber position of valve body;
Compressed air brake cylinder air pressure is protected and is put the compressed air brake cylinder position that 2/2-way electromagnetic valve is positioned at valve body, plays ABS electromagnetic valve function;
An electromagnet can produce respective thrust, is arranged on control chamber, contacts with air pressure control plunger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320614479.9U CN203472847U (en) | 2013-09-29 | 2013-09-29 | Novel multifunctional relay valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320614479.9U CN203472847U (en) | 2013-09-29 | 2013-09-29 | Novel multifunctional relay valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203472847U true CN203472847U (en) | 2014-03-12 |
Family
ID=50221232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320614479.9U Expired - Lifetime CN203472847U (en) | 2013-09-29 | 2013-09-29 | Novel multifunctional relay valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203472847U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104309601A (en) * | 2014-10-13 | 2015-01-28 | 广州科密汽车电子控制技术股份有限公司 | Electronic control relay valve assembly of anti-lock brake system |
| CN105000009A (en) * | 2014-04-22 | 2015-10-28 | 陕西重型汽车有限公司 | Mechanical and electrical integration trailer brake control system |
| CN106494380A (en) * | 2016-11-08 | 2017-03-15 | 清华大学苏州汽车研究院（相城） | A kind of combined piston type proportion relay valve and the control method of relay valve |
| CN107128296A (en) * | 2017-05-10 | 2017-09-05 | 安徽江淮汽车集团股份有限公司 | It is pneumatic to use automatically controlled relay valve |
| CN109823331A (en) * | 2019-01-28 | 2019-05-31 | 武汉理工大学 | A kind of vehicle electrically controlling Pneumatic braking system compositely proportional relay valve and control method |
| CN113665554A (en) * | 2021-09-25 | 2021-11-19 | 山东交通学院 | Air-break brake relay valve and unfreezing control method thereof |
-
2013
- 2013-09-29 CN CN201320614479.9U patent/CN203472847U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105000009A (en) * | 2014-04-22 | 2015-10-28 | 陕西重型汽车有限公司 | Mechanical and electrical integration trailer brake control system |
| CN104309601A (en) * | 2014-10-13 | 2015-01-28 | 广州科密汽车电子控制技术股份有限公司 | Electronic control relay valve assembly of anti-lock brake system |
| CN106494380A (en) * | 2016-11-08 | 2017-03-15 | 清华大学苏州汽车研究院（相城） | A kind of combined piston type proportion relay valve and the control method of relay valve |
| CN107128296A (en) * | 2017-05-10 | 2017-09-05 | 安徽江淮汽车集团股份有限公司 | It is pneumatic to use automatically controlled relay valve |
| CN109823331A (en) * | 2019-01-28 | 2019-05-31 | 武汉理工大学 | A kind of vehicle electrically controlling Pneumatic braking system compositely proportional relay valve and control method |
| CN113665554A (en) * | 2021-09-25 | 2021-11-19 | 山东交通学院 | Air-break brake relay valve and unfreezing control method thereof |
| CN113665554B (en) * | 2021-09-25 | 2022-04-22 | 山东交通学院 | Air-break brake relay valve and unfreezing control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203472847U (en) | Novel multifunctional relay valve | |
| CN101913351B (en) | Pneumatic braking system, crane with pneumatic braking system and pneumatic braking method | |
| US3813130A (en) | Antiskid control system | |
| CN102514567B (en) | Automobile pneumatic braking system | |
| CN106494380B (en) | Composite piston type proportional relay valve and control method of relay valve | |
| CN206841417U (en) | Relay valve and the electronic brake system based on relay valve | |
| CN201923121U (en) | Electronic vacuum booster device | |
| CN209305559U (en) | A kind of combination valve | |
| CN201040526Y (en) | Relay valve | |
| CN102336187B (en) | Hand brake valve of rubber-tire vehicle | |
| CN101249826B (en) | Relay valve | |
| CN201687991U (en) | High-frequency proportional solenoid valve | |
| CN202429194U (en) | Dual-channel electrical control relay valve of ABS (Anti-lock Brake System) | |
| CN100469632C (en) | Double chamber parallel electromagnetic control secondary booster automobile brake general pump | |
| CN210101610U (en) | Braking system and vehicle | |
| CN201980220U (en) | Electronic control type vacuum booster with emergency braking function | |
| CN203157982U (en) | Electronic parking braking control system and automobile using same | |
| CN212744801U (en) | Piston type braking air chamber inner breather valve | |
| KR102286745B1 (en) | Solenoid valve for electronic stability control | |
| CN201687990U (en) | Multicircuit control combined diaphragm valve | |
| CN204605780U (en) | A kind of Novel force and parking brake control system | |
| CN104442780B (en) | The brakes with pressure controllable piston cylinder as power source with failure backup | |
| CN102943902B (en) | Air pressure anti-lock braking system (ABS) regulating valve | |
| CN206647465U (en) | Automobile brake chamber with functions of waterproof and dustproof | |
| CN201992123U (en) | Matching valve for brake system of heavy truck |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140312 |
|
| CX01 | Expiry of patent term |