CN102767427B - Sectional travel characteristic pneumatic actuator device of turbocharger - Google Patents
Sectional travel characteristic pneumatic actuator device of turbocharger Download PDFInfo
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- CN102767427B CN102767427B CN201210216810.1A CN201210216810A CN102767427B CN 102767427 B CN102767427 B CN 102767427B CN 201210216810 A CN201210216810 A CN 201210216810A CN 102767427 B CN102767427 B CN 102767427B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The invention discloses a sectional travel characteristic pneumatic actuator device of a turbocharger, which includes an upper casing and a lower casing, wherein a rubber diaphragm is arranged between the upper and the lower casings, and divides a cavity between the upper and the lower casings into two cavities, namely a first cavity and a second cavity, that are not communicated; a diaphragm seat is arranged in a position inside the second cavity and near to the rubber diaphragm; an auxiliary core bar is connected onto the diaphragm seat; and springs with different elasticity coefficients are mounted on the auxiliary core bar. The sectional travel characteristic pneumatic actuator device can realize the matching of different travel characteristics, so that the performance of the supercharger is adjusted to the optimum as far as possible.
Description
Technical field
The present invention relates to a kind of turbosupercharger pneumatic actuator device, relate in particular to a kind of segmented stroke characteristic pneumatic actuator device of turbosupercharger, belong to field of internal combustion engine.
Background technique
Development along with national Abgasgesetz and user's request, the motor especially supercharging technology of diesel engine has also had significant progress, the structure of exhaust-gas turbocharger has developed into the exhaust gas bypass structure pressurized machine that can take into account low engine speed moment of torsion from traditional constant cross-section, after Dao Liao state III Abgasgesetz is implemented, people are more and more stronger for the demand of engine supercharger that can take into account the high low-speed performance of motor, and variable-area turbocharger becomes the emphasis of domestic and international research and development.In variable-area turbocharger application, its control is a large problem always, traditional, pneumatic final controlling element is because stroke characteristic can not segmentation, can only linearity control, cannot realize the Performance Match of full operating mode, and adopt automatically controlled final controlling element, cost can increase a lot, and also there is some problems in reliability, research and develop a kind of segmented stroke characteristic pneumatic actuator, realize the organic unity of variable-area turbocharger Performance Match, cost, reliability, the problem that Yi Shi turbosupercharger producer is in the urgent need to address.
At present, pressurized machine pneumatic actuator structure as shown in Figure 1, generally comprise upper shell 8, elastomer diaphragm 6, diaphragm seat 7, spring 2, lower shell body 1, core bar 3, valve 10, upper shell 8 connects together by bolt 5 and elastomer diaphragm 6 with lower shell body 1, diaphragm seat 7 links together by nut 9 with core bar 3, and whole pneumatic actuator is arranged on pressurized machine by connecting thread hole 4.During work, gas with pressure enters the closed cavity of upper shell 8 and elastomer diaphragm 6 formation from valve 10, promote elastomer diaphragm 6 and move to lower shell body 1 direction with diaphragm seat 7, diaphragm seat 7 drives together with the core bar 3 fitting together with it and moves, and realizes the adjusting to pressurized machine.This pneumatic actuator is owing to only deciding final stroke characteristic by single spring, so can only be linear motion, stroke characteristic be determined by the elasticity coefficient of spring.
Summary of the invention
The technical problem to be solved in the present invention is the above defect for traditional pressurized machine pneumatic actuator structure, and a kind of segmented stroke characteristic pneumatic actuator device of turbosupercharger of the organic unity that can realize variable-area turbocharger Performance Match, cost, reliability is provided.
For addressing the above problem, the present invention adopts following technological scheme:
A segmented stroke characteristic pneumatic actuator device for turbosupercharger, comprises upper shell and lower shell body;
Between upper shell and lower shell body, be provided with elastomer diaphragm;
Elastomer diaphragm is partitioned into two mutual disconnected cavitys by the cavity between upper shell and lower shell body: the first cavity and the second cavity;
Position near elastomer diaphragm in the second cavity is provided with diaphragm seat;
On described diaphragm seat, be connected with auxiliary core bar; It is main spring and auxiliary spring that the spring that twice elasticity coefficient is different is installed on auxiliary core bar.
Below further improvement of these options of the present invention:
On diaphragm seat, be welded with lock pin assembly, between auxiliary core bar and diaphragm seat, can mutually slide, also can lock together motion by upper lock pin assembly;
Auxiliary core bar stretches out also and between lower shell body and is slidably connected from lower shell body away from one end of diaphragm seat.
Further improve:
On described diaphragm seat, be connected with main core bar; Wherein one end of described main core bar is fixedly connected with diaphragm seat, and the other end stretches out and is slidably connected with lower shell body from lower shell body.
[0009]the position that is positioned at auxiliary core bar one side on lower shell body is fixedly connected with the auxiliary rod parallel with auxiliary core bar, and described auxiliary rod is positioned at lower shell body near one end of diaphragm seat.
Further improve:
On described auxiliary rod, the Kao Li position, end of one end of close diaphragm seat is provided with the first recessed band;
Position near lower shell body on main core bar is provided with the second recessed band, and the position near the second recessed band on lower shell body is provided with lower lock pin assembly, and lower lock pin components welding is on lower shell body;
Auxiliary core bar is provided with locking pin-and-hole, to coordinate with upper lock pin assembly, lower lock pin assembly the locking that carries out auxiliary core bar.
Further improve: auxiliary core bar is provided with main spring seat and auxiliary spring seat, main spring seat and auxiliary core bar are by being welded together, between auxiliary spring seat and auxiliary core bar, be slidably connected, the spring that twice elasticity coefficient is different is separately positioned on main spring seat and auxiliary spring seat.
Further improve: described main spring seat is arranged between auxiliary spring seat and diaphragm seat.
Further improve: the length of main spring and diameter are all less than length and the diameter of auxiliary spring, and auxiliary spring housing is contained in the outside of main spring.
During work, gas with pressure enters the first cavity from valve, promoting elastomer diaphragm and the downward housing direction of diaphragm seat moves, diaphragm seat is by the motion that connects together of upper lock pin assembly and auxiliary core bar, auxiliary core bar is by the main spring seat compression main spring welding together, main core bar, along with diaphragm seat moves together, regulates pressurized machine.
Now, a main spring works, and stroke characteristic is determined by the elasticity coefficient of main spring.Along with the rising of pressure, diaphragm seat continues mobile, when upper lock pin assembly enters the first recessed band of auxiliary rod, lower lock pin assembly and leaves the second recessed band of main core bar, diaphragm seat and auxiliary core bar disconnect, meanwhile, auxiliary core bar, by locked, no longer participates in motion.
Diaphragm seat continues to promote the downward housing direction of auxiliary spring seat and moves, and compresses auxiliary spring, and now, only auxiliary spring works, and stroke characteristic is determined by the elasticity coefficient of auxiliary spring.
When pressure reduces, diaphragm seat retraction, when upper lock pin assembly leaves the first recessed band of auxiliary rod, lower lock pin assembly and enters the second recessed band of main core bar, diaphragm seat and auxiliary core bar reconnect;
Meanwhile, auxiliary core bar is locked to be opened, and continues to participate in motion, and a main spring works again.Like this, can realize the collocation of various different stroke characteristics, as much as possible booster performance is adjusted to the best.
Another kind of improvement:
Main spring is identical with the diameter of auxiliary spring, and main spring is arranged between main spring seat and lower shell body, and auxiliary spring is arranged between main spring seat and auxiliary spring seat.
During work, gas with pressure enters the first cavity of upper shell and elastomer diaphragm formation from valve, promoting elastomer diaphragm and the downward housing direction of diaphragm seat moves, diaphragm seat is by the motion that connects together of upper lock pin assembly and auxiliary core bar, auxiliary core bar is by the main spring seat compression main spring welding together, main core bar, along with diaphragm seat moves together, regulates pressurized machine.
Now, a main spring works, and stroke characteristic is determined by the elasticity coefficient of main spring.
Along with the rising of pressure, diaphragm seat continues mobile, when upper lock pin assembly enters the first recessed band of auxiliary rod, lower lock pin assembly and leaves the second recessed band of main core bar, diaphragm seat and auxiliary core bar disconnect, meanwhile, auxiliary core bar, by locked, no longer participates in motion.
Diaphragm seat continues to promote the downward housing direction of auxiliary spring seat and moves, and compresses auxiliary spring.Now, only auxiliary spring works, and stroke characteristic is determined by the elasticity coefficient of auxiliary spring.
When pressure reduces, diaphragm seat retraction, when upper lock pin assembly leaves the first recessed band of auxiliary rod, lower lock pin assembly and enters the second recessed band of main core bar, diaphragm seat and auxiliary core bar reconnect, and meanwhile, auxiliary core bar is locked to be opened, continue to participate in motion, a main spring works again.
Below in conjunction with drawings and Examples, the present invention is elaborated.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of pneumatic actuator in background technique of the present invention;
Accompanying drawing 2 is right elevations of accompanying drawing 1;
Accompanying drawing 3 is structural representations of pneumatic actuator in the embodiment of the present invention 1;
Accompanying drawing 4 is right elevations of accompanying drawing 3;
Accompanying drawing 5 is structural representations of pneumatic actuator in the embodiment of the present invention 2.
In figure: 1-lower shell body; 2-spring; 3-core bar; 4-connecting thread hole; 5-bolt; 6-elastomer diaphragm; 7-diaphragm seat; 8-upper shell; 9-nut; 10-valve; 11-auxiliary rod; 12-nut; The auxiliary core bar of 13-; Lock pin assembly under 14-; The main core bar of 15-; 16-main spring; The auxiliary spring of 17-; 18-main spring seat; 19-bolt; 20-support arm; The auxiliary spring seat of 21-; The upper lock pin assembly of 22-; The recessed band of 23-first; The recessed band of 24-second; 25-locking pin-and-hole; 26-the first cavity; 27-the second cavity.
Embodiment
Embodiment 1, and as shown in Figure 3, Figure 4, a kind of segmented stroke characteristic pneumatic actuator device of turbosupercharger, comprises upper shell 8 and lower shell body 1;
Between upper shell 8 and lower shell body 1, be provided with elastomer diaphragm 6, upper shell 8 is tightly connected by bolt 5 and elastomer diaphragm 6 with lower shell body 1;
Described upper shell 8 is provided with the valve 10 being communicated with the first cavity 26.
The interior position near elastomer diaphragm 6 of the second cavity 27 is provided with diaphragm seat 7, is connected with main core bar 15 on described diaphragm seat 7;
Wherein one end of described main core bar 15 is fixedly connected with diaphragm seat 7 by bolt 19, and the other end stretches out and is slidably connected with lower shell body 1 from lower shell body 1.
Lower shell body 1 is provided with the connecting thread hole 4 for being connected with pressurized machine.
Described diaphragm seat 7 is provided with endoporus, is connected with auxiliary core bar 13 in endoporus;
On diaphragm seat 7, be welded with lock pin assembly 22, between auxiliary core bar 13 and diaphragm seat 7, can mutually slide, also can lock together motion by upper lock pin assembly 22; Upper lock pin assembly is comprised of lock pin, spring, shell, nature lock pin retraction.
On auxiliary core bar 13, the spring that twice elasticity coefficient is different is installed.
The position that is positioned at auxiliary core bar 13 1 sides on lower shell body 1 is fixedly connected with the auxiliary rod 11 parallel with auxiliary core bar 13 by nut 12, described auxiliary rod 11 is positioned at lower shell body 1 near one end of diaphragm seat 7, and the support arm 20 that is used for fixing auxiliary rod 11 is installed on lower shell body 1.
On described auxiliary rod 11, near the Kao Li position, end of one end of diaphragm seat 7, be provided with first and be recessedly with 23;
On main core bar 15, near the position of lower shell body 1, be provided with second and be recessedly with 24, on lower shell body 1, near the second recessed position with 24, be provided with the lower lock pin assembly 14 that structure is identical with upper lock pin assembly 22, lower lock pin assembly 14 is welded on lower shell body 1.
Described auxiliary spring seat 21 is arranged between main spring seat 18 and diaphragm seat 7.
The length of main spring 16 and diameter are all less than length and the diameter of auxiliary spring 17, and auxiliary spring 17 is sleeved on the outside of main spring 16.
During work, gas with pressure enters the first cavity 26 from valve 10, promoting elastomer diaphragm 6 moves to lower shell body 1 direction with diaphragm seat 7, diaphragm seat 7 is by the motion that connects together of upper lock pin assembly 22 and auxiliary core bar 13, auxiliary core bar 13 is by the main spring seat 18 compression main springs 16 that weld together, main core bar 15, along with diaphragm seat 7 moves together, regulates pressurized machine.
Now, a main spring 16 works, and stroke characteristic is determined by the elasticity coefficient of main spring 16.Along with the rising of pressure, diaphragm seat 7 continues mobile, when upper lock pin assembly 22 enter auxiliary rod 11 first recessed with 23, lower lock pin assembly 14 leaves the second recessed while being with 24 of main core bar 15, diaphragm seat 7 disconnects with auxiliary core bar 13, meanwhile, auxiliary core bar 13, by locked, no longer participates in motion.
When pressure reduces, diaphragm seat 7 retraction, when upper lock pin assembly 22 leave auxiliary rod 11 first recessed with 23, lower lock pin assembly 14 enters the second recessed while being with 24 of main core bar 15, diaphragm seat 7 reconnects with auxiliary core bar 13;
Meanwhile, locked being opened of auxiliary core bar 13, continues to participate in motion, and a main spring 16 works again.Like this, can realize the collocation of various different stroke characteristics, as much as possible booster performance is adjusted to the best.
During work, gas with pressure enters the first cavity 26 of upper shell 8 and elastomer diaphragm 6 formation from valve 10, promoting elastomer diaphragm 6 moves to lower shell body 1 direction with diaphragm seat 7, diaphragm seat 7 is by the motion that connects together of upper lock pin assembly 22 and auxiliary core bar 13, auxiliary core bar 13 is by the main spring seat 18 compression main springs 16 that weld together, main core bar 15, along with diaphragm seat 7 moves together, regulates pressurized machine.
Now, a main spring 16 works, and stroke characteristic is determined by the elasticity coefficient of main spring 16.
Along with the rising of pressure, diaphragm seat 7 continues mobile, when upper lock pin assembly 22 enter auxiliary rod 11 first recessed with 23, lower lock pin assembly 14 leaves the second recessed while being with 24 of main core bar 15, diaphragm seat 7 disconnects with auxiliary core bar 13, meanwhile, auxiliary core bar 13, by locked, no longer participates in motion.
When pressure reduces, diaphragm seat 7 retractions, when upper lock pin assembly 22 leave auxiliary rod 11 first recessed with 23, lower lock pin assembly 14 enters the second recessed while being with 24 of main core bar 15, diaphragm seat 7 reconnects with auxiliary core bar 13, simultaneously, locked being opened of auxiliary core bar 13, continues to participate in motion, and a main spring 16 works again.
Like this, can realize the collocation of various different stroke characteristics, as much as possible booster performance is adjusted to the best.
We have been described in detail invention according to national patent method now, can identify improvement or the replacement of specific embodiment disclosed herein for those skilled in the art.These modifications are within the spirit and scope of the present invention.
Claims (7)
1. a segmented stroke characteristic pneumatic actuator device for turbosupercharger, comprises upper shell (8) and lower shell body (1);
Between upper shell (8) and lower shell body (1), be provided with elastomer diaphragm (6);
Elastomer diaphragm (6) is partitioned into two mutual disconnected cavitys by the cavity between upper shell (8) and lower shell body (1): the first cavity (26) and the second cavity (27);
Position near elastomer diaphragm (6) in the second cavity (27) is provided with diaphragm seat (7);
It is characterized in that:
On described diaphragm seat (7), be connected with auxiliary core bar (13); It is main spring (16) and auxiliary spring (17) that the spring that twice elasticity coefficient is different is installed on auxiliary core bar (13);
On diaphragm seat (7), be welded with lock pin assembly (22), between auxiliary core bar (13) and diaphragm seat (7), can mutually slide, also can lock together motion by upper lock pin assembly (22);
Auxiliary core bar (13) away from one end of diaphragm seat (7) from lower shell body (1) stretch out and and lower shell body (1) between be slidably connected;
On described diaphragm seat (7), be connected with main core bar (15); Wherein one end of described main core bar (15) is fixedly connected with diaphragm seat (7), and the other end stretches out and is slidably connected with lower shell body (1) from lower shell body (1).
2. the segmented stroke characteristic pneumatic actuator device of turbosupercharger according to claim 1, is characterized in that:
The position that is positioned at auxiliary core bar (13) one sides on lower shell body (1) is fixedly connected with the auxiliary rod (11) parallel with auxiliary core bar (13), and described auxiliary rod (11) is positioned at lower shell body (1) near one end of diaphragm seat (7).
3. the segmented stroke characteristic pneumatic actuator device of turbosupercharger according to claim 2, is characterized in that:
The Kao Li position, end of the upper one end near diaphragm seat (7) of described auxiliary rod (11) is provided with the first recessed band (23);
The upper position near lower shell body (1) of main core bar (15) is provided with the second recessed band (24), and the upper position near the second recessed band (24) of lower shell body (1) is provided with lower lock pin assembly (14), and lower lock pin assembly (14) is welded on lower shell body (1);
Auxiliary core bar (13) is provided with locking pin-and-hole (25), to coordinate with upper lock pin assembly (22), lower lock pin assembly (14) locking that carries out auxiliary core bar (13).
4. the segmented stroke characteristic pneumatic actuator device of turbosupercharger according to claim 3, is characterized in that:
Auxiliary core bar (13) is provided with main spring seat (18) and auxiliary spring seat (21), main spring seat (18) and auxiliary core bar (13) are by being welded together, between auxiliary spring seat (21) and auxiliary core bar (13), be slidably connected, the spring that twice elasticity coefficient is different is separately positioned on main spring seat (18) and auxiliary spring seat (21).
5. the segmented stroke characteristic pneumatic actuator device of turbosupercharger according to claim 4, is characterized in that:
Described auxiliary spring seat (21) is arranged between main spring seat (18) and diaphragm seat (7).
6. the segmented stroke characteristic pneumatic actuator device of turbosupercharger according to claim 5, is characterized in that:
The length of main spring (16) and diameter are all less than length and the diameter of auxiliary spring (17), and auxiliary spring (17) is sleeved on the outside of main spring (16).
7. the segmented stroke characteristic pneumatic actuator device of turbosupercharger according to claim 5, is characterized in that:
Main spring (16) is identical with the diameter of auxiliary spring (17), and main spring (16) is arranged between main spring seat (18) and lower shell body (1), and auxiliary spring (17) is arranged between main spring seat (18) and auxiliary spring seat (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210216810.1A CN102767427B (en) | 2012-06-28 | 2012-06-28 | Sectional travel characteristic pneumatic actuator device of turbocharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210216810.1A CN102767427B (en) | 2012-06-28 | 2012-06-28 | Sectional travel characteristic pneumatic actuator device of turbocharger |
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| CN102767427A CN102767427A (en) | 2012-11-07 |
| CN102767427B true CN102767427B (en) | 2014-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210216810.1A Active CN102767427B (en) | 2012-06-28 | 2012-06-28 | Sectional travel characteristic pneumatic actuator device of turbocharger |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100363A (en) * | 2014-07-28 | 2014-10-15 | 康跃科技股份有限公司 | Differential pressure type pneumatic actuator device |
| CN108894858A (en) * | 2018-06-21 | 2018-11-27 | 浙江吉利控股集团有限公司 | The ternary catalystic device structure of integrated heat-insulation window |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3096614A (en) * | 1961-03-29 | 1963-07-09 | Garrett Corp | Turbo-charger boost density control |
| US3195805A (en) * | 1961-10-25 | 1965-07-20 | Garrett Corp | Turbocharger differential pressure control |
| US4005579A (en) * | 1975-03-31 | 1977-02-01 | The Garrett Corporation | Turbocharger control and method |
| CN201581981U (en) * | 2009-12-10 | 2010-09-15 | 湖南天雁机械有限责任公司 | Bypass valve actuator of turbocharger |
| CN202611860U (en) * | 2012-06-28 | 2012-12-19 | 康跃科技股份有限公司 | Segment-based travel characteristic pneumatic actuator device of turbocharger |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010020617A1 (en) * | 2010-05-14 | 2011-11-17 | Hella Kgaa Hueck & Co. | Actuator for a closure member of a pressure channel |
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2012
- 2012-06-28 CN CN201210216810.1A patent/CN102767427B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3096614A (en) * | 1961-03-29 | 1963-07-09 | Garrett Corp | Turbo-charger boost density control |
| US3195805A (en) * | 1961-10-25 | 1965-07-20 | Garrett Corp | Turbocharger differential pressure control |
| US4005579A (en) * | 1975-03-31 | 1977-02-01 | The Garrett Corporation | Turbocharger control and method |
| CN201581981U (en) * | 2009-12-10 | 2010-09-15 | 湖南天雁机械有限责任公司 | Bypass valve actuator of turbocharger |
| CN202611860U (en) * | 2012-06-28 | 2012-12-19 | 康跃科技股份有限公司 | Segment-based travel characteristic pneumatic actuator device of turbocharger |
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Effective date of registration: 20210104 Address after: No.1 luoqian street, Gucheng street, Shouguang City, Weifang City, Shandong Province Patentee after: Kangyue Technology (Shandong) Co.,Ltd. Address before: No.01 luoqian street, Shouguang Economic Development Zone, Weifang City, Shandong Province 262700 Patentee before: KANGYUE TECHNOLOGY Co.,Ltd. |
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Denomination of invention: Segmented stroke characteristics of turbocharger pneumatic actuator device Effective date of registration: 20220701 Granted publication date: 20140319 Pledgee: Shandong Shouguang Rural Commercial Bank Co.,Ltd. Pledgor: Kangyue Technology (Shandong) Co.,Ltd. Registration number: Y2022980009719 |