CN108119576A - A kind of gas servo-clutch booster and its method of work - Google Patents
A kind of gas servo-clutch booster and its method of work Download PDFInfo
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- CN108119576A CN108119576A CN201711481743.5A CN201711481743A CN108119576A CN 108119576 A CN108119576 A CN 108119576A CN 201711481743 A CN201711481743 A CN 201711481743A CN 108119576 A CN108119576 A CN 108119576A
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- solenoid valve
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- slow
- clutch
- clutch booster
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- 238000000034 method Methods 0.000 title claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000006073 displacement reaction Methods 0.000 claims abstract description 22
- 238000000926 separation method Methods 0.000 claims abstract description 21
- 230000005611 electricity Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 11
- 238000007789 sealing Methods 0.000 description 9
- 229920000742 Cotton Polymers 0.000 description 5
- 241000219146 Gossypium Species 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 239000003610 charcoal Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 210000004907 gland Anatomy 0.000 description 3
- 210000000664 rectum Anatomy 0.000 description 3
- 238000010923 batch production Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
- F16D48/04—Control by fluid pressure providing power assistance
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
- F16D2048/0227—Source of pressure producing the clutch engagement or disengagement action within a circuit; Means for initiating command action in power assisted devices
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The invention discloses a kind of gas servo-clutch booster and its method of works, solenoid valve includes at least two fast solenoid valves and two slow solenoid valves, sensor iron core is equipped in servo-cylinder body, displacement sensor is connected with sensor iron core, inductance value can be passed to ECU by displacement sensor, ECU is realized and clutch position is precisely controlled by controlling the energization or power-off of fast solenoid valve and slow solenoid valve.The present invention provides a kind of gas servo-clutch booster, using F.F. solenoid valve, row's solenoid valve, slow-motion solenoid valve and slow row's solenoid valve are precisely controlled clutch position to realize soon, realize the separation and combination of clutch fast accurate, simple in structure, compact, easy to use, practicability is stronger.The gas servo-clutch booster of the present invention can be applied to AMT gearboxes, meet the intelligentized development of automotive circuit diagram, can be controlled via ECU just can automatic control clutch clutch or separation realize vehicle automatic gear change function.
Description
Technical field
The present invention relates to technical field of automobile parts, particularly a kind of gas servo-clutch booster and its work side
Method.
Background technology
To mitigate the labor intensity of pilot control clutch, it is ensured that traffic safety is universal on small, compact car at present
Clutch booster is used.Automobile clutch booster is to ensure that the critical component of vehicle safety, is stepped on when depressing clutch
During plate, the hydraulic oil extruded from clutch master cylinder enters by oil pipe the oil cylinder of booster, the compressed gas source using vehicle be from
Clutch provides power-assisted, but clutch control mode of the prior art is single, it is impossible to realize the separation and combination of fast accurate,
So as to which there are some potential safety problemss.
The Chinese utility model patent of 201620219512 .1 of Application No. discloses a kind of clutch booster, including
Cylinder, oil cylinder, pressure control chamber and oil pressure cntrol chamber are provided with piston rod of the one end with piston, the gas in the cylinder
Cylinder, oil cylinder, pressure control chamber and oil pressure cntrol chamber are respectively positioned in same housing, and the parallel oil cylinder of the pressure control chamber is set, institute
State oil pressure cntrol chamber connected with oil cylinder and oil pressure cntrol cavity dumping in oil cylinder set.The utility model has simple in structure, use
Reliably, the advantages of of low cost, enables to its sealing performance more preferable using it, it is therefore prevented that the generation of gas leak phenomenon, using same
One housing ensure that its concentricity, extend service life；Meanwhile the lengthening of piston stroke so that the reaction time is short, improves
Shift speed, but the patent there is no the control for solving clutch position it is not accurate the problems such as.
The content of the invention
In view of the above-mentioned problems of the prior art, the present invention provides a kind of gas servo-clutch booster and its work side
Method using F.F. solenoid valve, arranges solenoid valve, slow-motion solenoid valve soon and arranges solenoid valve slowly to realize the accurate control to clutch position
System realizes the separation and combination of clutch fast accurate, and simple in structure, compact, easy to use, practicability is stronger.
To achieve these goals, the technical solution adopted by the present invention is：A kind of gas servo-clutch booster, including electricity
Magnet valve, air inlet, exhaust outlet and power-assisted cylinder body, the solenoid valve include at least two fast solenoid valves and two slow solenoid valves,
Sensor iron core is equipped in servo-cylinder body, displacement sensor is connected with sensor iron core, and displacement sensor can be by inductance value
Pass to ECU, ECU is realized and clutch position is precisely controlled by controlling the energization or power-off of fast solenoid valve and slow solenoid valve.
The latus rectum of fast solenoid valve is big, and the latus rectum of slow solenoid valve is small.
Preferably, the solenoid valve includes two fast solenoid valves and two slow solenoid valves, and two fast solenoid valves are respectively
F.F. solenoid valve and fast row's solenoid valve, two slow solenoid valves include slow-motion solenoid valve and slow row's solenoid valve.
Any of the above-described scheme is preferably, and the F.F. solenoid valve and slow-motion solenoid valve are arranged on 1 mouthful of air inlet lower part.
Any of the above-described scheme is preferably, and the F.F. solenoid valve one side is equipped with A chambers, and slow-motion solenoid valve one side is equipped with G chambers,
Compressed air enters A chambers and G chambers by 1 mouthful of air inlet and is blocked by F.F. solenoid valve and slow-motion solenoid valve.
Any of the above-described scheme is preferably, and the F.F. solenoid valve and slow-motion solenoid valve are arranged in parallel up and down.
Any of the above-described scheme is preferably, and the one side of the F.F. solenoid valve and slow-motion solenoid valve is equipped with F chambers, F chambers and B chambers
It is interconnected.
Any of the above-described scheme is preferably, and the B chambers top is equipped with displacement sensor, and displacement sensor lower part is equipped with sensing
Device iron core.
Any of the above-described scheme is preferably, and one end of the sensor iron core extends into B intracavitary and and boosting piston
Top offsets.
Any of the above-described scheme is preferably, and return spring B and return spring C are arranged with outside the sensor iron core.
Any of the above-described scheme is preferably, and Y shape circle and/or guiding are additionally provided between the boosting piston and power-assisted cylinder body
Ring.
Any of the above-described scheme is preferably, and one end of the power-assisted cylinder body is equipped with sealing plate, and exhaust outlet is equipped in sealing plate.
Any of the above-described scheme is preferably, and strainer is equipped on the outside of the exhaust outlet.
Any of the above-described scheme is preferably, and the boosting piston lower part is extended to by C chambers outside sealing plate.
Any of the above-described scheme is preferably, and guide ring A is equipped between the boosting piston and sealing plate.
Any of the above-described scheme is preferably, and one end of the boosting piston is cased with dust cover.
Any of the above-described scheme is preferably, and the one sides of institute's displacement sensors is equipped with 2 mouthfuls of air inlets, B chambers by passage D and
2 mouthfuls of air inlets are interconnected.
Any of the above-described scheme is preferably, and the B chambers are interconnected by passage and H chambers, M chambers.
Any of the above-described scheme is preferably, and the H chambers are arranged on the one side of fast row's solenoid valve.
Any of the above-described scheme is preferably, and the M chambers are arranged on the one side of slow row's solenoid valve.
Any of the above-described scheme is preferably, and one end of fast row's solenoid valve and slow row's solenoid valve is equipped with K chambers.
Any of the above-described scheme is preferably, and fast row's solenoid valve and slow row's solenoid valve are arranged in parallel up and down.
The present invention also provides a kind of method of works of gas servo-clutch booster, comprise the following steps：
Step（1）.1 mouth inlet charge, compressed air enters A chambers and G chambers wait；
Step（2）When needing clutch separation, F.F. solenoid valves are given, compressed air enters F chambers from A chambers and leads to B
Chamber promotes boosting piston to move forward, and sensor iron core follows boosting piston to transport forward together under the action of return spring B
It is dynamic, while the inductance value of displacement sensor is passed into ECU；
Step（3）When moving to suitable position, ECU can the power-off of order F.F. solenoid valve, stop output, slow-motion solenoid valve leads to
Electricity is suitably adjusted by slow-motion solenoid valve, reaches clutch state；
Step（4）.B the compressed air of chamber enters H chambers by passage simultaneously and M chambers wait；
Step（5）When gearshift finishes, it is necessary to when clutch engages, to fast row's solenoid valves, the fast dynamic iron core for arranging solenoid valve is right
It moves, compressed air enters K chambers from H chambers, towards exhaust outlet.
Preferably, manual separation is further included.
Any of the above-described scheme is preferably, and the specific method of the manual separation is：When under electric control product failure conditions, hand
It moves from 2 mouthfuls of inlet charges, compressed air, into B chambers, is promoted boosting piston Forward, realize manual separation by passage D.
Advantageous effect：
The beneficial effects of the invention are as follows：Solenoid valve includes at least two fast solenoid valves and two slow solenoid valves, is set in servo-cylinder body
There is sensor iron core, displacement sensor is connected with sensor iron core, and inductance value can be passed to ECU, ECU by displacement sensor
By controlling the energization or power-off of fast solenoid valve and slow solenoid valve, realize and clutch position is precisely controlled.
The present invention has the following advantages：
（1）, the present invention a kind of gas servo-clutch booster and its method of work are provided, using F.F. solenoid valve, arrange electromagnetism soon
Valve, slow-motion solenoid valve and slow row's solenoid valve are precisely controlled clutch position to realize, realize the separation of clutch fast accurate
And combination, simple in structure, compact, easy to use, practicability is stronger.
（2）, the present invention gas servo-clutch booster can be applied to AMT gearboxes, meet automotive circuit diagram intelligence
Development, can be controlled via ECU just can automatic control clutch clutch or separation realize vehicle automatic gear change function.
（3）, it is pure be automatically brought into operation it is incomplete in clutch caused by the maloperation of driver when can also avoid manual operation
Gearshift causes the damage of shift mechanism during separation.
（4）, simultaneously, which solves the problems, such as batch production, can rapidly be promoted with foreign countries at home, market
Prospect is good.
Description of the drawings
Fig. 1 is the overall structure top view of one preferred embodiment of gas servo-clutch booster of the present invention；
Fig. 2 is a lateral partial structurtes sectional view of Fig. 1；
Fig. 3 is a partial structurtes enlarged drawing of Fig. 2；
Another partial structurtes enlarged drawing that Fig. 4 is Fig. 2；
Fig. 5 is another lateral partial structurtes sectional view of Fig. 2；
Fig. 6 is the C-C of Fig. 1 to sectional view；
Fig. 7 is the D-D of Fig. 1 to sectional view.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
Embodiment 1
To achieve these goals, the technical solution adopted by the present invention is：
To achieve these goals, the technical solution adopted by the present invention is：As shown in Fig. 1-Fig. 4, Fig. 6 and Fig. 7, a kind of gas power-assisted
Clutch booster, including solenoid valve, air inlet, exhaust outlet and power-assisted cylinder body, the solenoid valve includes at least two fast electricity
Magnet valve and two slow solenoid valves, power-assisted cylinder body 16 is interior to be equipped with sensor iron core 11, and displacement sensor 10 and sensor iron core 11 connect
Connect, inductance value can be passed to ECU by displacement sensor 10, ECU by control fast solenoid valve and slow solenoid valve energization or
Power-off, realizes and clutch position is precisely controlled.
The technical solution that the present invention further optimizes is that the solenoid valve includes two fast solenoid valves and two slow electromagnetism
Valve, two fast solenoid valves are respectively F.F. solenoid valve 1 and fast row's solenoid valve 2, and two slow solenoid valves are including slow-motion solenoid valve 3 and slowly
Arrange solenoid valve 4.The air inlet electromagnetic valve and exhaust solenoid valve of two different latus rectums is respectively adopted in the present invention（F.F. solenoid valve 1 and fast
Arrange solenoid valve 2 and slow-motion solenoid valve 3 and slow row's solenoid valve 4）To realize F.F., row and slow-motion are arranged slowly soon, realize that clutch is quick
It accurately separates and combines.
The technical solution that further optimizes of the present invention is, the F.F. solenoid valve 1 and slow-motion solenoid valve 3 be arranged on 1 mouthful into
5 lower part of gas port.
The technical solution that the present invention further optimizes is that 1 one side of F.F. solenoid valve is equipped with A chambers 6, slow-motion solenoid valve 3
One side is equipped with G chambers 7, and compressed air is by 1 mouthful of air inlet 5 into A chambers 6 and G chambers 7 and by F.F. solenoid valve 1 and slow-motion solenoid valve 3
It blocks.
The technical solution that the present invention further optimizes is that the one side of the F.F. solenoid valve 1 and slow-motion solenoid valve 3 is equipped with F
Chamber 8, F chambers 8 and B chambers 9 are interconnected.
The technical solution that the present invention further optimizes is that 9 top of B chambers is equipped with displacement sensor 10, displacement sensor
10 lower parts are equipped with sensor iron core 11, and sensor iron core is vertically arranged about 11.
The technical solution that the present invention further optimizes is that one end of the sensor iron core 11 is arranged in protective case 12,
The other end is extended into B chambers 9 and offseted with the top of boosting piston 13.
The technical solution that the present invention further optimizes is that return spring B14 is arranged with outside the sensor iron core 11 and is returned
Spring C15, return spring B14 and return spring C15 are arranged concentrically for position.
The technical solution that the present invention further optimizes is that one end of the power-assisted cylinder body 16 is equipped with sealing plate 17, sealing plate
Exhaust outlet 18 is equipped in 17.
The technical solution that the present invention further optimizes is that 13 lower part of boosting piston extends to sealing plate by C chambers 19
Outside 17.
The technical solution that the present invention further optimizes is that one end of fast row's solenoid valve 2 and slow row's solenoid valve 4 is equipped with K
Chamber 20.
The present invention also provides a kind of method of works of gas servo-clutch booster, comprise the following steps：
Step（1）During entrucking 13 position of boosting piston as shown in Figure 1,1 mouthful of 5 air inlet of air inlet, compressed air enter A chambers 6 and G
Chamber 7 waits；
Step（2）When needing clutch separation, it is powered to F.F. solenoid valve 1, the dynamic iron core of F.F. solenoid valve 1 is turned right movement,
Compressed air, finally towards the top B chambers 9 of boosting piston 13, promotes boosting piston 13 to move forward, position from A chambers 6 into F chambers 8
The sensor iron core 11 of displacement sensor 10 follows boosting piston 13 to move forward together, simultaneously under the action of return spring B14
10 inductance values of displacement sensor are passed into ECU；
Step（3）When moving to suitable position, ECU can order F.F. solenoid valve 1 power off, stop output, slow-motion solenoid valve 3
It is powered, after carrying out suitably adjustment by slow-motion solenoid valve 3, reaches clutch state；
Step（4）.B the compressed air of chamber 9 enters H chambers 21 by passage simultaneously and M chambers 22 wait；
Step（5）It is powered when gearshift finishes, it is necessary to when clutch engages to fast row's solenoid valve 2, the fast dynamic iron core for arranging solenoid valve 2
It moves to right, compressed air is from H chambers 21 into K chambers 20, towards exhaust outlet 18.
The present invention provides a kind of gas servo-clutch booster, using F.F. solenoid valve 1, fast row's solenoid valve 2, slow-motion electromagnetism
Valve 3 and slow row's solenoid valve 4 are precisely controlled clutch position to realize, realize the separation and combination of clutch fast accurate, knot
Structure is simple, compact, easy to use, and practicability is stronger.The gas servo-clutch booster of the present invention can be applied to AMT gearboxes,
Meet the intelligentized development of automotive circuit diagram, can be controlled via ECU just can automatic control clutch clutch or separation realize
Vehicle automatic gear change function.It is pure to be automatically brought into operation when avoid manual operation caused by the maloperation of driver in clutch not
Gearshift causes the damage of shift mechanism when being kept completely separate.Meanwhile the project solves the problems, such as batch production, it can at home and state
It is rapidly promoted outside, market prospects are good.
Embodiment 2
Unlike a kind of gas servo-clutch booster and embodiment 1, the F.F. solenoid valve 1 and slow-motion solenoid valve are about 3
It is arranged in parallel.
Embodiment 3
Unlike a kind of gas servo-clutch booster and embodiment 1, return spring B14 is fixed on boosting piston 13 and passes
Between the protective case 12 in 11 outside of sensor iron core.
Embodiment 4
Unlike a kind of gas servo-clutch booster and embodiment 1, fixing groove 131, return are equipped among boosting piston 13
One end of spring C15 is fixed on inside fixing groove 131.
Embodiment 5
Unlike a kind of gas servo-clutch booster and embodiment 1, the outer diameter of return spring C15 is more than return spring
B14。
Embodiment 6
Unlike a kind of gas servo-clutch booster and embodiment 1, between the boosting piston 13 and power-assisted cylinder body 16 also
Equipped with Y shape circle 24 and guide ring B25, Y shape circle 24 is vertically arranged.
Embodiment 7
Unlike a kind of gas servo-clutch booster and embodiment 6, the guide ring B25 is arranged under Y shape circle 24
Portion.
Embodiment 8
Unlike a kind of gas servo-clutch booster and embodiment 1,18 outside of exhaust outlet is equipped with strainer 26, strainer
26 are fixed by gland 27.
Embodiment 9
Unlike a kind of gas servo-clutch booster and embodiment 8, zigzag exhaust passage is equipped in the gland 27
271。
Embodiment 10
Unlike a kind of gas servo-clutch booster and embodiment 1, the strainer 26 is PP cottons filter layer 261, PP cotton mistakes
Filtering layer 261 can make boosting piston after release during return, and the gas that cylinder body is drawn at cylinder cap is filtered, and such as scheme
Shown in 5.
Embodiment 11
Unlike a kind of gas servo-clutch booster and embodiment 1, the strainer 26 includes PP cottons filter layer 261, primary
Activated carbon filter layer 262, second order activity charcoal filter layer 263, as shown in figure 5, PP cottons filter layer 261, primary activity charcoal filter layer
262nd, second order activity charcoal filter layer 263 is set gradually from top to bottom, PP cottons filter layer 261, primary activity charcoal filter layer 262, two
Grade activated carbon filter layer 263 carries out multistage purification processing to the gas of discharge.
Embodiment 12
Unlike a kind of gas servo-clutch booster and embodiment 1, it is equipped between the boosting piston 13 and sealing plate 17
Guide ring A28.
Embodiment 13
Unlike a kind of gas servo-clutch booster and embodiment 12, the lower end of the boosting piston 13 is cased with dust cover
29, one end of dust cover 29 is fixed on 27 bottom of gland, and the other end of dust cover 29 is fixed on the groove 131 of boosting piston 13
It is interior.
Embodiment 14
Unlike a kind of gas servo-clutch booster and embodiment 1,2 mouthfuls of air inlets 30 are arranged on displacement sensor 10
One side, B chambers 9 are interconnected by passage D23 and 2 mouthfuls of air inlets 30.
Embodiment 15
Unlike a kind of gas servo-clutch booster and embodiment 1, fast row's solenoid valve 2 and slow row's solenoid valve are about 4
Parallel interval is set.
Embodiment 16
Unlike a kind of gas servo-clutch booster and embodiment 1, the H chambers 21 are arranged on the one of fast row's solenoid valve 2
Side.
Embodiment 17
Unlike a kind of gas servo-clutch booster and embodiment 1, the M chambers 22 are arranged on the one of slow row's solenoid valve 4
Side.
Embodiment 18
Unlike a kind of gas servo-clutch booster and embodiment 1, the B chambers 9 pass through passage and H chambers 21,22 phase of M chambers
It is intercommunicated.
Embodiment 19
Unlike a kind of gas servo-clutch booster and embodiment 1, the technical solution that the present invention further optimizes is,
13 top of boosting piston of power-assisted cylinder body 16 is provided with a valve cock (2 mouthfuls of air inlets) 30, can directly carry out air inlet manually, real
Existing manual separation, repair and detection are all convenient.The specific method of manual separation is：When under electric control product failure conditions or repairing
, can be manually from 2 mouthfuls of 30 air inlets of air inlet during situation, compressed air, into B chambers 9, promotes boosting piston 13 by passage D23
Manual separation is realized in Forward.The separation and combination of clutch fast accurate can either be realized automatically, when there are emergency situations,
Also separation can be manually realized, security is further enhanced.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in,
It should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of gas servo-clutch booster, including solenoid valve, air inlet, exhaust outlet and power-assisted cylinder body, which is characterized in that
The solenoid valve includes at least two fast solenoid valves and two slow solenoid valves, and sensor iron core is equipped in servo-cylinder body, and displacement passes
Sensor is connected with sensor iron core, and inductance value can be passed to ECU by displacement sensor, ECU by control fast solenoid valve and
The energization or power-off of slow solenoid valve, realize and clutch position are precisely controlled.
2. a kind of gas servo-clutch booster according to claim 1, which is characterized in that the solenoid valve includes two
Fast solenoid valve and two slow solenoid valves, two fast solenoid valves are respectively F.F. solenoid valve and arrange solenoid valve, two slow solenoid valves soon
Including slow-motion solenoid valve and slow row's solenoid valve.
A kind of 3. gas servo-clutch booster according to claim 2, which is characterized in that the F.F. solenoid valve and slow
1 mouthful of air inlet lower part is arranged on into solenoid valve.
A kind of 4. gas servo-clutch booster according to claim 2, which is characterized in that the F.F. solenoid valve one side
Equipped with A chambers, slow-motion solenoid valve one side is equipped with G chambers, and compressed air enters A chambers and G chambers and by F.F. solenoid valve by 1 mouthful of air inlet
It is blocked with slow-motion solenoid valve.
A kind of 5. gas servo-clutch booster according to claim 2, which is characterized in that the F.F. solenoid valve and slow
F chambers are equipped with into the one side of solenoid valve, F chambers and B chambers are interconnected.
6. a kind of gas servo-clutch booster according to claim 5, which is characterized in that the B chambers top is equipped with position
Displacement sensor, displacement sensor lower part are equipped with sensor iron core.
A kind of 7. gas servo-clutch booster according to claim 6, which is characterized in that the one of the sensor iron core
End extends into B intracavitary and offsets with the top of boosting piston.
8. a kind of method of work of gas servo-clutch booster according to any of the above-described claim, which is characterized in that
Comprise the following steps：
Step（1）.1 mouth inlet charge, compressed air enters A chambers and G chambers wait；
Step（2）When needing clutch separation, F.F. solenoid valves are given, compressed air enters F chambers from A chambers and leads to B
Chamber promotes boosting piston to move forward, and sensor iron core follows boosting piston to transport forward together under the action of return spring B
It is dynamic, while the inductance value of displacement sensor is passed into ECU；
Step（3）When moving to suitable position, ECU can the power-off of order F.F. solenoid valve, stop output, slow-motion solenoid valve leads to
Electricity is suitably adjusted by slow-motion solenoid valve, reaches clutch state；
Step（4）.B the compressed air of chamber enters H chambers by passage simultaneously and M chambers wait；
Step（5）When gearshift finishes, it is necessary to when clutch engages, to fast row's solenoid valves, the fast dynamic iron core for arranging solenoid valve is right
It moves, compressed air enters K chambers from H chambers, towards exhaust outlet.
9. the method for work of gas servo-clutch booster according to claim 8, which is characterized in that further include and divide manually
From.
10. the method for work of gas servo-clutch booster according to claim 9, which is characterized in that described to divide manually
From specific method be：When under electric control product failure conditions, manually from 2 mouthfuls of inlet charges, compressed air by passage D, into
Enter B chambers, promote boosting piston Forward, realize manual separation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711481743.5A CN108119576A (en) | 2017-12-29 | 2017-12-29 | A kind of gas servo-clutch booster and its method of work |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711481743.5A CN108119576A (en) | 2017-12-29 | 2017-12-29 | A kind of gas servo-clutch booster and its method of work |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953293A (en) * | 2018-09-27 | 2018-12-07 | 杭州前进齿轮箱集团股份有限公司 | A kind of measuring mechanism and measurement method of hydraulic clutch piston displacement |
| CN112013754A (en) * | 2020-09-01 | 2020-12-01 | 瑞立集团瑞安汽车零部件有限公司 | System and method for detecting main shaft displacement of non-contact clutch booster |
| CN114738396A (en) * | 2022-04-22 | 2022-07-12 | 中国重汽集团济南动力有限公司 | Clutch switching signal control method and device and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09175369A (en) * | 1995-12-25 | 1997-07-08 | Nabco Ltd | Air over hydraulic booster |
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| CN108953293A (en) * | 2018-09-27 | 2018-12-07 | 杭州前进齿轮箱集团股份有限公司 | A kind of measuring mechanism and measurement method of hydraulic clutch piston displacement |
| CN112013754A (en) * | 2020-09-01 | 2020-12-01 | 瑞立集团瑞安汽车零部件有限公司 | System and method for detecting main shaft displacement of non-contact clutch booster |
| CN114738396A (en) * | 2022-04-22 | 2022-07-12 | 中国重汽集团济南动力有限公司 | Clutch switching signal control method and device and storage medium |
| CN114738396B (en) * | 2022-04-22 | 2023-11-03 | 中国重汽集团济南动力有限公司 | Clutch switch signal control method, device and storage medium |
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Application publication date: 20180605 |