CN105235673B - Commerial vehicle uphill starting accessory system pneumatic control magnetic valve - Google Patents
Commerial vehicle uphill starting accessory system pneumatic control magnetic valve Download PDFInfo
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- CN105235673B CN105235673B CN201510736911.5A CN201510736911A CN105235673B CN 105235673 B CN105235673 B CN 105235673B CN 201510736911 A CN201510736911 A CN 201510736911A CN 105235673 B CN105235673 B CN 105235673B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
- B60T15/02—Application and release valves
- B60T15/36—Other control devices or valves characterised by definite functions
- B60T15/52—Other control devices or valves characterised by definite functions for quick release of brakes, e.g. for influencing counter- pressure in triple valve or recirculating air from reservoir or brake cylinder to brake pipe
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Systems And Boosters (AREA)
Abstract
The one kind of the invention that discloses is simple in construction, brakes timely commerial vehicle uphill starting accessory system pneumatic control magnetic valve.Including a two-bit triplet normally close valve (100) and a diaphragm valve (200), the air inlet (3) of two-bit triplet normally close valve (100) is used to communicate with air accumulator (1), its gas outlet (12) is used to communicate with brake chamber (20), its exhaust outlet (19) is used to communicate with air, its valve pocket (18) is communicated by upper valve port (8) with gas outlet (12), communicated by lower valve port (10) with exhaust outlet (19), diaphragm valve (200) includes guide's air chamber (7) and air inlet diaphragm (4), guide's air chamber (7) is communicated by throttle orifice (11) with valve pocket (18), air inlet diaphragm (4) isolates guide's air chamber (7) with air inlet (3), when air inlet diaphragm (4) is closed, air inlet (3) can be made to be communicated with gas outlet 12.
Description
Technical field
The invention belongs to automobile control unit technical field, particularly a kind of commerial vehicle uphill starting accessory system is pneumatic
Control magnetic valve.
Background technology
Car ramp starting accessory system can effectively avoid car ramp from being slipped after starting to walk.Typical uphill starting auxiliary is main
It is to realize ramp by controlling the break-make of the isolating valve between master cylinder and wheel wheel cylinder on air pressure or fluid pressure line
Start to walk miscellaneous function.
Existing ramp starting aid, such as Chinese utility model patent CN201320138667.9 (application numbers：
201320138667.9 publication date：2013.08.28), 2/2-way magnetic valve is mounted with brake circuit.The valve opening of the valve
Add airline pressure loss, the delay for causing braking to apply and discharge.The valve is normally close valve, and the release braked every time is required to
Conducted on magnetic valve, even if being aided in without uphill starting, which increase control difficulty.When system or solenoid valve failure can not be led
During vent passage, cause braking to discharge, influence traffic safety.
Chinese invention patent application CN201210136634 (application numbers：201210136634.0 publication date：
2012.08.15), it is proposed that a kind of magnetic valve for the starting of AMT car ramps, the valve is by diaphragm type air bleeding valve and two two
Position-3-way solenoid valve forms.The valve arrangement is relative complex, adds control difficulty.Brake need to pass through two-bit triplet electricity when inflating
The valve opening of magnet valve, valve opening aperture is small to postpone braking release.
Therefore, the problem of prior art is present：Structure is relative complex, and braking applies and discharged not in time.
The content of the invention
It is an object of the invention to provide a kind of commerial vehicle uphill starting accessory system pneumatic control magnetic valve, structure letter
Single, braking is timely.
The technical solution for realizing the object of the invention is：A kind of commerial vehicle uphill starting accessory system pneumatic control electricity
Magnet valve, including a two-bit triplet normally close valve, the air inlet of the two-bit triplet normally close valve are used to communicate with air accumulator, its gas outlet
For being communicated with brake chamber, its exhaust outlet is used to communicate with air, and its valve pocket is communicated by upper valve port with gas outlet, under
Valve port communicates with exhaust outlet, and when electric on magnet coil, dynamic iron core is changed to separate lower valve port, in addition to a diaphragm by separating upper valve port
Valve, the diaphragm valve include guide's air chamber and air inlet diaphragm, and guide's air chamber is communicated by throttle orifice with the valve pocket, described
Air inlet diaphragm isolates guide's air chamber with air inlet, when air inlet diaphragm is closed, can make air inlet and outlet
Mouth 12 communicates, and when air inlet diaphragm is in opening, air inlet can be made to isolate with gas outlet 12.
Compared with prior art, its remarkable advantage is the present invention：
1st, it is simple in construction：The present invention is integrated with diaphragm valve and a two-bit triplet normally close valve, instead of original " magnetic valve
The structure of+check valve ", only used a diaphragm valve and a two-position three-way valve just realizes the functional requirement of system, can protect
Under solenoid valves state, driver still is able to be pressurized to brake chamber according to actual conditions card, simple and reasonable.
2nd, braking is timely：The structure of diaphragm valve can lower retardance shadow of the valve body structure to braking air pipe inflation/deflation speed
Ring, do not extend the reaction time of service brake, function is reliable, braking is timely.
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Brief description of the drawings
Fig. 1 is the structure principle chart of commerial vehicle uphill starting accessory system pneumatic control magnetic valve of the present invention
Fig. 2A, Fig. 2 B are fundamental diagram when magnetic valve of the present invention is in off position.
Fig. 3 A-3D are fundamental diagram when magnetic valve of the present invention is in running order.
Fig. 3 A are pressurized state, and Fig. 3 B are packing state, and Fig. 3 C are pressure compensation state, and Fig. 3 D are decompression state.
Fig. 4 is the three-dimensional model diagram of the present invention.
Embodiment
As shown in figure 1, commerial vehicle uphill starting accessory system pneumatic control magnetic valve of the present invention, including a two-bit triplet
Normally close valve, the air inlet 3 of the two-bit triplet normally close valve are used to communicate with air accumulator 1, and its gas outlet 12 is used for and brake chamber
20 communicate, and its exhaust outlet 19 is used to communicate with air, and its valve pocket 18 is communicated by upper valve port 8 with gas outlet 12, passes through lower valve port
10 communicate with exhaust outlet 19, and when electric on magnet coil 5, dynamic iron core 6 is changed to separate lower valve port 10 by separating upper valve port 8, in addition to
One diaphragm valve, the diaphragm valve include guide's air chamber 7 and air inlet diaphragm 4, and guide's air chamber 7 passes through throttle orifice 11 and the valve
Chamber 18 communicates, and the air inlet diaphragm 4 isolates guide's air chamber 7 with air inlet 3, when air inlet diaphragm 4 is closed,
Air inlet 3 can be made to be communicated with gas outlet 12, when air inlet diaphragm 4 is in opening, can make air inlet 3 and gas outlet 12 every
From.
The two-bit triplet normally close valve also includes the static iron core 16 and helical spring 9 coordinated with the dynamic iron core 6, described quiet
For iron core 16 between lower valve port 10 and exhaust outlet 19, the helical spring 9 can make the cut-off of dynamic iron core 6 upper valve port 8 when stretching.
Describe the course of work of the present invention in detail with reference to Fig. 2-Fig. 3：
Under off position, as shown in Fig. 2 driver can control brake pedal 2 to realize that braking applies and discharged.
Magnetic valve does not go up electricity, and guide's air chamber 7 communicates with air, and because movable iron core of electromagnetic valve 6 has blocked air inlet 3 and elder generation
Passage between air guide room 7, air inlet diaphragm 4 is caused to be opened in the presence of two-way pressure difference, air inlet 3 and the phase of gas outlet 12
Logical, i.e., air accumulator 1 is communicated with brake chamber 20 by uphill starting aux. control valve.If now driver steps on brake pedal
2, then the gas in air accumulator can successfully directly flow through uphill starting aux. control valve lead to brake air chamber, so as to brake pressure
Power increase, such as Fig. 2A；If driver lifts brake pedal, the gas of brake chamber 20 will directly flow through magnetic valve and pass through
Quick release valve at brake pedal 2 is discharged in air, braking release is realized, such as Fig. 2 B.
In the operating condition, as shown in figure 3, control unit is by controlling magnetic valve, driver by controlling brake pedal 2
The pressurize of brake chamber 20 and decompression can be achieved, pressure compensation can be also realized in the case of the dwell pressure deficiency of brake chamber 20.
Pressurized state, such as Fig. 3 A：The not upper electricity of magnetic valve, guide's air chamber 7 communicate with air, and due to movable iron core of electromagnetic valve 6
The passage between air inlet 3 and guide's air chamber 7 has been blocked, has caused air inlet diaphragm 4 to be opened in the presence of two-way pressure difference, air inlet
Mouth 3 and gas outlet 12 are communicated, i.e., air accumulator 1 is communicated with brake chamber 20 by uphill starting aux. control valve.If now drive
The person of sailing steps on brake pedal 2, then the gas in air accumulator can successfully directly flow through uphill starting aux. control valve towards system
Take offence room 20, so as to brake pressure increase.
Packing state, such as Fig. 3 B：Electric on magnetic valve, dynamic iron core 6, which moves down, blocks lower valve port 10, in brake chamber 20
Gases at high pressure enter guide air chamber 7 back up through valve pocket 18, air inlet diaphragm 4 moved down in the presence of two-way pressure difference and then
Block air flue A and air flue B.Therefore the pressure of brake chamber 20 is kept constant.
Pressure compensation, such as Fig. 3 C：Under packing state, if now brake pressure deficiency, driver can be by trampling
Brake pedal 2 realizes that brake pressure compensates.Now driver's brake pedal 2, the gases at high pressure in air accumulator 1 enter air flue
A, air inlet diaphragm 4 are reopened in the presence of two-way pressure difference, and air flue A is connected again with air flue B, the gas in air accumulator 1
Into brake chamber 20, brake chamber 20 is in pressure and is further added by state.
Decompression state, such as Fig. 3 D：Magnetic valve powers off, dynamic iron core 6 lose the attraction of electromagnetic force under spring force to
Valve port 8 is blocked in upper movement, and guide's air chamber 7 is communicated with air, and the gases at high pressure in guide's air chamber 7 are discharged by exhaust outlet 19.
Air inlet diaphragm 4 moves up in the presence of two-way pressure difference and then air flue A connects with air flue B.The high pressure gas of brake chamber 20
Body is discharged in air via air flue A/B by the foot valve at foot brake pedal 2.As the compressed gas in brake chamber 20 is continuous
Air is discharged to, brake chamber 20 is in reduced pressure state.
Uphill starting auxiliary air-operated solenoid valve can input control pneumatic pipeline by electric signal, so as to realize to brake pipe
The control on road.In automobile brake system, uphill starting aids in pneumatic control magnetic valve to access brake line with tandem, just
Under normal working condition, it is desirable to which uphill starting pilot solenoid valve has no effect to brake system, the pressure in brake line
Gas freely can bidirectionally pass in and out uphill starting auxiliary pneumatic control magnetic valve.
Fig. 4 is the three-dimensional model diagram of the present invention.
The present invention is integrated with diaphragm valve and a two-bit triplet normally close valve, instead of original " magnetic valve+check valve "
Structure, it is ensured that under solenoid valves state, driver still is able to be pressurized to brake chamber according to actual conditions.In addition, film
The structure of plate valve can lower valve body structure to be influenceed on the retardance for braking air pipe inflation/deflation speed, does not extend the anti-of service brake
Between seasonable.The design of the integral valve, which only used a diaphragm valve and a two-position three-way valve, just realizes the function need of system
Ask, its is simple and reasonable, function is reliable, braking is timely.
Claims (2)
1. a kind of commerial vehicle uphill starting accessory system pneumatic control magnetic valve, including a two-bit triplet normally close valve, described two
The air inlet (3) of position threeway normally close valve is used to communicate with air accumulator (1), and its gas outlet (12) is used for and brake chamber (20) phase
Logical, its exhaust outlet (19) is used to communicate with air, and its valve pocket (18) is communicated by upper valve port (8) with gas outlet (12), under
Valve port (10) is communicated with exhaust outlet (19), and when electric on magnet coil (5), dynamic iron core (6) is changed under cut-off by separating upper valve port (8)
Valve port (10), it is characterised in that：
Also include a diaphragm valve, the diaphragm valve includes guide's air chamber (7) and air inlet diaphragm (4), and guide's air chamber (7) passes through
Throttle orifice (11) communicates with the valve pocket (18), and the air inlet diaphragm (4) isolates guide's air chamber (7) with air inlet (3),
When air inlet diaphragm (4) is closed, air inlet (3) can be made to be communicated with gas outlet 12, be opened when air inlet diaphragm (4) is in
During state, air inlet (3) can be made to isolate with gas outlet 12.
2. pneumatic control magnetic valve according to claim 1, it is characterised in that：The two-bit triplet normally close valve also include with
The static iron core (16) and helical spring (9) that the dynamic iron core (6) coordinates, the static iron core (16) are located at lower valve port (10) and exhaust
Between mouth (19), the helical spring (9) can make valve port (8) on dynamic iron core (6) cut-off when stretching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510736911.5A CN105235673B (en) | 2015-11-03 | 2015-11-03 | Commerial vehicle uphill starting accessory system pneumatic control magnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510736911.5A CN105235673B (en) | 2015-11-03 | 2015-11-03 | Commerial vehicle uphill starting accessory system pneumatic control magnetic valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105235673A CN105235673A (en) | 2016-01-13 |
| CN105235673B true CN105235673B (en) | 2017-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510736911.5A Active CN105235673B (en) | 2015-11-03 | 2015-11-03 | Commerial vehicle uphill starting accessory system pneumatic control magnetic valve |
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| CN (1) | CN105235673B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018037993A1 (en) * | 2016-08-25 | 2018-03-01 | 株式会社キッツエスシーティー | Diaphragm valve, and flow rate control device for semiconductor manufacturing equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5762094A (en) * | 1997-04-11 | 1998-06-09 | Alliedsignal Truck Brake Systems Co. | Automatic valve drain |
| CN201410947Y (en) * | 2009-05-21 | 2010-02-24 | 吴金富 | Automobile pressure regulating control valve |
| CN102632883A (en) * | 2012-05-04 | 2012-08-15 | 东风汽车有限公司 | Electromagnetic valve for hill start of AMT vehicle |
| CN203766745U (en) * | 2014-04-14 | 2014-08-13 | 东风电子科技股份有限公司 | Pilot-operated type electromagnetic air pressure adjusting valve |
| CN205168480U (en) * | 2015-11-03 | 2016-04-20 | 王显会 | Commercial vehicle hill start auxiliary system air -operated controller solenoid valve |
-
2015
- 2015-11-03 CN CN201510736911.5A patent/CN105235673B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5762094A (en) * | 1997-04-11 | 1998-06-09 | Alliedsignal Truck Brake Systems Co. | Automatic valve drain |
| CN201410947Y (en) * | 2009-05-21 | 2010-02-24 | 吴金富 | Automobile pressure regulating control valve |
| CN102632883A (en) * | 2012-05-04 | 2012-08-15 | 东风汽车有限公司 | Electromagnetic valve for hill start of AMT vehicle |
| CN203766745U (en) * | 2014-04-14 | 2014-08-13 | 东风电子科技股份有限公司 | Pilot-operated type electromagnetic air pressure adjusting valve |
| CN205168480U (en) * | 2015-11-03 | 2016-04-20 | 王显会 | Commercial vehicle hill start auxiliary system air -operated controller solenoid valve |
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| Publication number | Publication date |
|---|---|
| CN105235673A (en) | 2016-01-13 |
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Effective date of registration: 20171012 Address after: 610000 Sichuan Province, Longquanyi District, South Road, No. 999, No. 1, building No. 3, layer 1 Applicant after: Sichuan days and Wan Li Technology Co., Ltd. Address before: 210094 Xuanwu District, Jiangsu, Xiaolingwei, No. 200, No. Applicant before: Wang Xianhui |
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Effective date of registration: 20181105 Address after: 210000 room 0608, building C, Xingzhi science and Technology Park, Xingzhi Road, Nanjing economic and Technological Development Zone, Jiangsu Patentee after: Nanjing Junyi Automobile Technology Co., Ltd. Address before: 610000 No. 3, 1 1, 999 Nan 1 road, Longquanyi District, Chengdu, Sichuan. Patentee before: Sichuan days and Wan Li Technology Co., Ltd. |
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Effective date of registration: 20210520 Address after: No. 68, Southeast Avenue, Changshu hi tech Industrial Development Zone, Changshu City, Suzhou City, Jiangsu Province Patentee after: SUZHOU BOZHIDUN PROTECTION TECHNOLOGY Co.,Ltd. Address before: 210000 room 0608, building C, Xingzhi science and Technology Park, Xingzhi Road, Nanjing economic and Technological Development Zone, Jiangsu Patentee before: Nanjing Junyi Automobile Technology Co.,Ltd. |