CN108146415A - A kind of electronic parking pile-up valve and its control method - Google Patents
A kind of electronic parking pile-up valve and its control method Download PDFInfo
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- CN108146415A CN108146415A CN201810012179.0A CN201810012179A CN108146415A CN 108146415 A CN108146415 A CN 108146415A CN 201810012179 A CN201810012179 A CN 201810012179A CN 108146415 A CN108146415 A CN 108146415A
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- valve
- pressure channel
- iron core
- dynamic iron
- valve port
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Classifications
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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
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/24—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
-
- 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
- B60T15/18—Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere
Abstract
A kind of electronic parking pile-up valve, it includes upper cover, valve body in upper cover connection, connection lower valve body below valve body in this, valve body rear connects rear cover in this, include ABS air inlets (1) and two-position three way electronic control valve air inlet (1 1) on the outside of the middle valve body, it is characterised in that：The middle valve body, which embeds, fills at least one double-way check valve, at least one two-position three way electronic control valve and at least one ABS barostats, the ABS barostats include two electromagnetic valve cores being set up in parallel, two-position three way electronic control valve is located in the middle valve body of the ABS barostats side, the dynamic iron core VI (206) of the two-position three way electronic control valve includes pressure channel VI (106), the outer pocketed springs V (205) of dynamic iron core VI (206), dynamic iron core VI (206) tops further include valve port III (303)；Electronic parking pile-up valve of the present invention integrates the function of three kinds of valves in one, easy to control, saving manufacture cost, and greatlys improve control efficiency.
Description
Technical field
This patent is related to commercial vehicle pneumatic brake electronic parking system, in particular to a kind of commercial car braking electronics
Parking valve.
Background technology
The parking system of domestic commercial vehicle is all the hand brake valve of machinery used at present, mainly passes through hand brake valve
Realize parking, release, product is simple, but function is single, is not suitable with that present commercial car is intelligent, development of automation becomes
Gesture.This item purpose electronic parking valve is applied to commercial vehicle pneumatic brake electronic parking system, that is, EPB, and effect is parking braking and meets an urgent need
The executing agency of braking, in addition to traditional hand brake valve is replaced, moreover it is possible to it is controlled by ECU and realizes temporary parking function, emergency function,
Starting release function, stop working control and uphill starting miscellaneous function etc..Even if there are a small number of producer's production electronic parking valves, but
Its valve member and electrical part quantity are various, and pipeline is not easy to assemble, and occupied space is larger, bring great inconvenience.
It is that domestic commercial vehicle is intelligent, the development of automation gives a favor, and this patent purpose is to carry to comply with market
For a kind of executing agency of electronic parking system, the memory function that parking, release are realized with electronic control can be realized；Stop temporarily
Vehicle function；And realize bilateral one-way function to be used in combination with service brake.
Chinese invention patent application No. is 201010238129.8 discloses a kind of air-pressure type electronic parking braking system
And braking method, including gas receiver, parking switch, hand braking gas chamber, by air pipe between gas receiver and hand braking gas chamber
Connection, it further includes air-pressure type electronic parking valve, parking braking controller, and air-pressure type electronic parking valve is connected to gas receiver and hand
Between brake chamber, parking braking controller is connected between parking switch and air-pressure type electronic parking valve.The present invention provides
Air-pressure type electronic parking braking system it is simple in structure, it is easily manufactured, at low cost, can realize that parking braking automatically controls.It is based on
The braking method of the braking system, it is easy to operate, control is accurate, safe and reliable, but its function not smart enoughization.
Invention content
Involved ABS refers to the English abbreviation of anti-blocking brake system (antilock brake system) herein.
The effect of the ABS is exactly that the size of braking device brake force is automatically controlled in automobile brake, makes wheel not by locking, in side
Rolling slides the state of (slip rate is 20% or so), to ensure the adhesive force of wheel and ground in maximum value.
Electronic parking pile-up valve of the present invention includes upper cover, and valve body in upper cover connection connects in this below valve body
Lower valve body, valve body rear connects rear cover in this, include on the outside of the middle valve body ABS air inlets and two-position three way electronic control valve into
Gas port, the middle valve body, which embeds, fills at least one double-way check valve, at least one two-position three way electronic control valve and at least one
ABS barostats, the ABS barostats include two electromagnetic valve cores being set up in parallel, two-position three way electronic control valve
In the middle valve body of the ABS barostats side, the dynamic iron core VI of the two-position three way electronic control valve includes air pressure
Valve port III, the two-position three way electronics control are further included at the top of the outer pocketed springs V, dynamic iron core VI of channel VI, dynamic iron core VI
The lower section of pressure channel V, the dynamic iron core VI is set to include valve port IV, institute between the valve port III of valve processed and the upper cover
State wound around coil I on the outside of the dynamic iron core of two-position three way electronic control valve, the two-position three way electronic control valve bottom with it is described under
Pressure channel VII is set between valve body；The ABS barostats include be arranged on the middle valve body center electromagnetic valve II and
Electromagnetic valve II I, the electromagnetic valve II outside wind electromagnetic valve coil II, are equipped between the upper cover above the electromagnetic valve II
Spring VII, the electromagnetic valve II top set dynamic iron core, and the dynamic iron core lower section of the electromagnetic valve II includes valve port VI, described
Include valve port V, dynamic iron core VIII tops and the solenoid valve of the electromagnetic valve II above the dynamic iron core VIII of electromagnetic valve II
Pressure channel I is formed above III and between the upper cover, pressure channel I connects the ABS air inlets；The electromagnetic valve II I
Outside winding electromagnetic valve coil III, the electromagnetic valve II I lower parts set dynamic iron core IX, the dynamic iron core IX tops of electromagnetic valve II I
Including valve port VII, spring X is embedded between the lower valve body below the dynamic iron core IX of electromagnetic valve II I.The solenoid valve
Include valve port VIII below the dynamic iron core IX of III, between the dynamic iron core IX lower parts of the electromagnetic valve II I and the lower valve body also
Including pressure channel IV, pressure channel VIII is included between the lower valve body and the electromagnetic valve II lower part.
Preferably, the middle valve body-side face includes the second delivery outlet, and the lower valve body lower part sets exhaust outlet.
In any of the above-described scheme preferably, between the upper cover and the middle valve body on the inside of second delivery outlet
The double-way check valve is set, valve port IX is included between the double-way check valve side and the middle valve body.
In any of the above-described scheme preferably, valve is included between the opposite side of the double-way check valve and the middle valve body
Doorway X.
In any of the above-described scheme preferably, lead in the middle valve body of the double-way check valve opposite side including the air pressure
Road VI, pressure channel VI connect the valve of the two-position three way electronic control valve and the double-way check valve under specific operation
Mouth X.
In any of the above-described scheme preferably, it is set in the middle valve body on the outside of the valve port IX of the double-way check valve side
It is equipped with pressure channel IX.
In any of the above-described scheme preferably, pressure channel IX connection the pressure channels II, the pressure channel IX
End setting diaphragm II, spring I is set between the middle valve body on the outside of diaphragm II, and a side includes gas on the outside of diaphragm II
Pressure passageway XI.
In any of the above-described scheme preferably, valve port I is set between the diaphragm II and the middle valve body.
In any of the above-described scheme preferably, it is further preferred that the pressure channel XI includes orthogonal two
Subchannel.
In any of the above-described scheme preferably, pressure channel is further included in the middle valve body on the right side of the double-way check valve
The central axis upright of II, the pressure channel II and the pressure channel IX.
In any of the above-described scheme preferably, setting pressure channel XII in the middle valve body below the pressure channel II,
Pressure channel XII ends include diaphragm III, setting spring IV between diaphragm III lower sections and the lower valve body.
In any of the above-described scheme preferably, between the middle valve body and the diaphragm III on the outside of the pressure channel XII
Further include valve port II.
In any of the above-described scheme preferably, the central axis of the pressure channel XII is with the pressure channel II's
Central axis upright.
In any of the above-described scheme preferably, pressure channel III is further included between the spring IV and the lower valve body.
In any of the above-described scheme preferably, the two-position three way electronic control valve and two-position three way electronic control valve line
Circle connection, two-position three way electronic control valve coil are arranged on outside the middle valve body, two-position three way electronic control valve coil
Top also sets up common winding, and ABS exhaust coils and ABS air inlet coils are also set up outside the middle valve body.
The operation principle of electronic parking pile-up valve that first aspect present invention provides is：
Air inlet input air pressure, is flowed into pressure channel V, and dynamic iron core VI closes valve port III under the action of spring V
It closes, entire operating mode is shown as：ABS inlet charges, the second delivery outlet is without output.
It is powered to connecting and the two-position three way of plug-in unit is controlled electronically valve coil and common winding, electromagnetic valve coil I work, electromagnetism
Valve coil I acts on dynamic iron core VI downward power, makes it that the resistance of spring V be overcome to close valve port IV so as to move downward,
Valve port III is opened simultaneously.At this point, the air pressure of pressure channel V is flowed into pressure channel VI by valve port III.Pressure channel
The gas pressure of VI opens valve port X on double-way check valve, while valve port IX is closed, the gas stream of pressure channel VI
Enter to the second delivery outlet, show as：Two-position three way electronic control valve inlet charge, two-position three way electronic control valve coil and public affairs
Conllinear circle is powered, the second delivery outlet output pressure.
As long as two-position three way electronic control valve coil is connected with common winding, electromagnetic valve coil I work, the second delivery outlet is defeated
Go out air pressure；Two-position three way electronic control valve coil connects power-off with common winding, then the second delivery outlet discharge air pressure, realizes two
The function of threeway electronic control valve trailer detection.In this process, it has corresponding indicator light and air gauge is shown.Other
What two delivery outlets connected is the parking chamber of brake chamber, as long as parking chamber has air pressure, vehicle can start and travel, and parking chamber does not have gas
During pressure, vehicle is parked state, it is impossible to be travelled.For this function for being used before vehicle traveling, whether detection gas circuit is normal, as
Detection uses.
Valve coil and common winding power-off is controlled electronically in two-position three way, and electromagnetic valve coil I does not work, I pairs of electromagnetic valve coil
It is zero that dynamic iron core VI, which acts on downward power disappearance,.Dynamic iron core VI is moved upwards under the action of spring V, and valve port III is closed
It closes, while valve port IV is opened.The gas entered from two-position three way electronic control valve air inlet flows only to pressure channel V, so
It is just cut off afterwards by valve port III.The gas of second delivery outlet is flowed into pressure channel VI by valve port X, passes through valve later
Mouth IV, flows to pressure channel VII, enters back into pressure channel VIII, be then discharged to air from exhaust outlet, show as：Two-position three way
Electronic control valve inlet charge, two-position three way electronic control valve coil and common winding power-off, the second delivery outlet output gas
And it is discharged to air from exhaust outlet.
Second aspect of the present invention provides a kind of parking control method of electronic parking pile-up valve, including：
A.ABS inlet charges, gas enter pressure channel I, and gas pressure is acted on diaphragm II, and is pushed up
It opens, so as to open valve port I, gas enters pressure channel II；The gas of pressure channel I flows to valve port V and valve simultaneously
Mouth VIII；Dynamic iron core VIII closes valve port V under the action of spring VII, and dynamic iron core IX is under the action of spring X, by valve
Doorway VIII is closed, and the gas of pressure channel I is flowed into pressure channel III, the gas of pressure channel III by pressure channel IV
It acts on diaphragm III, valve port II is closed, the gas of pressure channel II flows into pressure channel IX, pushes double-way check valve
It moves downward, valve port IX is opened at this time, and valve port X is closed, and gas is flowed out from the second delivery outlet；It shows as：ABS air inlets into
Gas, the second delivery outlet output gas；Vehicle is normal driving states in this step, i.e. parking releases.
B. valve coil is controlled electronically to two-position three way and common winding is powered, electromagnetic valve coil II work, electromagnetic valve coil
II acts on dynamic iron core VIII downward power, it is made to overcome the active force of spring VII, and move downward, valve port VI is closed,
Valve port V is opened simultaneously.At this point, the gas of pressure channel I flows to pressure channel X by valve port V, then flow into pressure channel
Then XI acts on diaphragm II downward power so that valve port I is closed；It shows as：ABS inlet charges, the second delivery outlet are protected
Pressure.
C. valve coil is controlled electronically to two-position three way again and common winding is powered, electromagnetic valve coil III work, line solenoid valve
It encloses III and acts on dynamic iron core IX upward power, overcome the active force of spring X and move upwards, valve port VII is closed, simultaneously
Valve port VIII is opened.At this point, the gas of pressure channel III flows into pressure channel IV, then air pressure is flowed to by valve port VIII
Channel VIII, is then discharged to air from exhaust outlet.
D. the air pressure of pressure channel III is kept to be reduced to 0, under the action of the gas pressure of pressure channel II, diaphragm III to
Lower movement, valve port II are opened, and the gas of the second delivery outlet flows into pressure channel IX by valve port IX and flows into pressure channel again
II；The gas of pressure channel II flows to pressure channel XII, then flow into pressure channel VIII, then from exhaust by valve port II
Mouth is discharged to air.It shows as：ABS inlet charges, the second delivery outlet is from vent.(step c and d is by the second delivery outlet
Air pressure exhaust；ABS is vented coil and common winding is powered, and the air pressure of the second delivery outlet will exhaust；When the second delivery outlet
Air pressure, that is, the parking chamber of brake chamber, after exhausting certain situation, vehicle can realize parking braking, this exhaust regards feelings
Depending on condition, when reaching the air pressure of needs (air pressure has sensor to show), it is possible to by two-position three way electronic control valve coil and
Common winding powers off)
E. valve coil is controlled electronically to two-position three way and common winding powers off, electromagnetic valve coil III does not work, line solenoid valve
Circle III acts on upward power to dynamic iron core IX and becomes smaller, and under the action of spring X, dynamic iron core IX is moved downward, by valve port VIII
It closes, while valve port VII is opened；Diaphragm III is moved upwards under the action of spring IV, and valve port II is closed.Second output
The air pressure packing state of mouth, is controlled electronically two-position three way valve coil and common winding powers off, and the air pressure of the second delivery outlet is no longer
It exhausts.
F. coil is vented to ABS again and ABS air inlet coil blackouts, electromagnetic valve coil II does not work, II pairs of electromagnetic valve coil
Dynamic iron core VIII acts on downward power and disappears, and under the action of spring VII, dynamic iron core VIII is moved upwards, and valve port V is closed
It closes, while valve port VI is opened；The gas of pressure channel XI flows to pressure channel X at this time, then by valve port VI, flows into gas
Pressure passageway VIII, is finally discharged to air from exhaust outlet.Trailer independent brake air-suction state at this time, that is, parking release, and disconnect
ABS air inlets coil and common winding, air pressure are back flowed back into the second delivery outlet, the releasing of parking at this time.
Step a will be repeated at this time：
The gas inlet passages of a.ABS air inlets push diaphragm II open upwards, and valve port is opened, and gas enters pressure channel
II, while the gas of pressure channel I flows to valve port V and valve port VIII；Dynamic iron core VIII is under the action of spring VII by valve
Doorway V is closed, and dynamic iron core IX closes valve port VIII under the action of spring X, and the gas of pressure channel I leads to by air pressure
Road IV is flowed into pressure channel III, and the gas of pressure channel III is acted on diaphragm III, valve port II closed, air pressure is led to
The gas of road II flows into pressure channel IX, and double-way check valve is pushed to move downward, and valve port IX is opened at this time, and valve port X is closed,
Gas is flowed out from the second delivery outlet；It shows as：ABS inlet charges, the second delivery outlet output gas.
Valve coil and ABS is controlled electronically to two-position three way by control valve and is vented coil and ABS air inlets coil and public
The power on/off of coil controls the function of the electronic parking pile-up valve.
Preferably, step a, b, c, d, e, f are performed successively, to realize parking releasing, parking braking and parking solution again
Switching between removing.
Preferably, step a, b, c, d, e, f, a are performed successively, realize parking control.
The parking control method of electronic parking pile-up valve described in second aspect of the present invention uses first aspect present invention institute
The electronic parking pile-up valve stated.
Electronic parking pile-up valve described in first aspect present invention integrates the function of three kinds of valves in one, easy to control, section
This is about manufactured into, and greatlys improve control efficiency.
Description of the drawings
Fig. 1 is the external structure schematic diagram of a preferred embodiment of electronic parking pile-up valve of the present invention；
Fig. 2 is the A-A sectional views of embodiment illustrated in fig. 1；
Fig. 3 is the B-B sectional views in embodiment illustrated in fig. 2；
Fig. 4 is the C-C sectional views of embodiment illustrated in fig. 1；
Numeral mark is meant that in Fig. 1-Fig. 4；
1 ABS air inlet 1-1 two-position three way electronic control valve air inlets
101 pressure channel I, 102 pressure channel II, 103 pressure channel III, 104 pressure channel IV
105 pressure channel V
106 pressure channel VI, 107 pressure channel VII, 108 pressure channel VIII, 109 pressure channel IX
110 pressure channel X, 111 pressure channel XI, 112 pressure channel XII
2 second delivery outlets
201 spring I, 202 diaphragm II, 203 diaphragm III, 204 spring IV
205 spring V
206 dynamic iron core VI, 207 spring VII, 208 dynamic iron core VIII, 209 dynamic iron core IX
210 spring X
211 double-way check valves
3 exhaust outlets
301 valve port I, 302 valve port II, 303 valve port III, 304 valve port IV 305
Valve port V
306 valve port VI, 307 valve port VII, 308 valve port VIII, 309 valve port IX 310
Valve port X
6.1 two-position three ways electronic control valve coil 6.2 ABS exhaust 6.3 ABS air inlet coils of coil
6.4 common winding.
Specific embodiment
Embodiment 1.1:Each dynamic iron core top and bottom are equipped with valve in electronic parking pile-up valve, wherein valve body, use
It is provided with valve above sealing, dynamic iron core, is static iron core below dynamic iron core, such as dynamic iron core VI 206 and valve seating above
Valve port III 303 is formed, dynamic iron core VI 206 forms valve port IV 304 with following static iron core；Dynamic iron core VIII 208 with
Valve seating above forms valve port V 305, and dynamic iron core VIII 208 forms valve port VI 306 with following static iron core；Dynamic iron
Core IX 209 forms valve port VIII 308 with following valve seating, and dynamic iron core IX 209 forms valve port with static iron core above
VII 307。
Electronic parking pile-up valve in the present embodiment includes upper cover, and valve body in upper cover connection connects in this below valve body
Lower valve body, valve body rear connects rear cover in this, includes ABS air inlets 1 and two-position three way electronic control valve on the outside of the middle valve body
Air inlet 1-1 is embedded in a double-way check valve, a two-position three way electronic control valve and an ABS air pressure in the middle valve body
Adjuster, the ABS barostats include two electromagnetic valve cores being set up in parallel, and two-position three way electronic control valve is located at described
In the middle valve body of ABS barostats side, the dynamic iron core VI 206 of the two-position three way electronic control valve includes pressure channel
The top of VI 106, dynamic iron core VI 206 outer pocketed springs V 205, dynamic iron core VI 206 further includes valve port III 303, and two
Setting pressure channel V 105 between the valve port III 303 of position threeway electronic control valve and the upper cover, dynamic iron core VI's 206
Lower section includes valve port IV 304, wound around coil I on the outside of the dynamic iron core of the two-position three way electronic control valve, the two-position three way
Pressure channel VII 107 is set between electronic control valve bottom and the lower valve body；The ABS barostats include being arranged on
The electromagnetic valve II at the middle valve body center and electromagnetic valve II I, the electromagnetic valve II outside wind electromagnetic valve coil II, the electromagnetism
Dynamic iron core VIII208, the electricity are set equipped with spring VII207, the electromagnetic valve II top between the upper cover above valve II
Include valve port VI306 below the dynamic iron core VIII208 of magnet valve II, include above the dynamic iron core VIII208 of the electromagnetic valve II
Valve port V305, the dynamic iron core VIII208 tops of the electromagnetic valve II and structure between electromagnetic valve II I tops and the upper cover
ABS air inlets 1 are connected into pressure channel I 101, pressure channel I 101；Winding electromagnetic valve coil on the outside of the electromagnetic valve II I
III, the electromagnetic valve II I lower parts set dynamic iron core IX209, include valve port above the dynamic iron core IX209 of electromagnetic valve II I
Spring X210 is embedded in below the dynamic iron core IX209 of VII307, electromagnetic valve II I between the lower valve body.The electromagnetic valve II I
Dynamic iron core IX209 below include valve port VIII 308, the dynamic iron core IX209 lower parts of the electromagnetic valve II I and the lower valve
Pressure channel IV 104 is further included between body, pressure channel VIII is included between the lower valve body and the electromagnetic valve II lower part
108。
The middle valve body-side face includes the second delivery outlet 2, and the lower valve body lower part sets exhaust outlet 3.
The double-way check valve 211, the bilateral are set between the upper cover of second delivery outlet, 2 inside and the middle valve body
Include valve port IX309 between 211 side of check valve and the middle valve body.
Include valve port X 310 between the opposite side of double-way check valve 211 and the middle valve body, double-way check valve 211 is another
Include pressure channel VI 106 in the middle valve body of side, pressure channel VI 106 connects the two-position three way under specific operation
The valve port X 310 of electronic control valve and the double-way check valve；309 outsides of valve port IX of 211 side of double-way check valve
Pressure channel IX109 is provided in middle valve body.
Pressure channel IX109 connects pressure channel 102, the end setting diaphragm II202 of pressure channel IX109, the diaphragm
Include pressure channel XI 111 setting spring I 201 between the middle valve body, one side of diaphragm II202 outsides on the outside of II202；
Valve port I 301 is set between diaphragm II 202 and the middle valve body；Pressure channel XI 111 includes orthogonal two parts
Channel.
Pressure channel II102, the pressure channel II 102 and institute are further included in the middle valve body on 211 right side of double-way check valve
State the central axis upright of pressure channel IX109；Setting pressure channel XII in the middle valve body of 102 lower sections of pressure channel II
112 end of 112, pressure channel XII includes diaphragm III 203, is set between 203 lower sections of diaphragm III and the lower valve body
Put spring IV 204；Valve port II is further included between the middle valve body and the diaphragm III 203 in 112 outsides of pressure channel XII
302；The central axis upright of the central axis of pressure channel XII112 and the pressure channel II 102.
Pressure channel III 103 is further included between spring IV 204 and the lower valve body.
The two-position three way electronic control valve is connected with two-position three way electronic control valve coil 6.1, the two-position three way electronics
Control valve coil 6.1 is arranged on outside the middle valve body, and 6.1 top of two-position three way electronic control valve coil also sets up common wire
6.4 are enclosed, ABS exhaust coils and ABS air inlet coils are also set up outside the middle valve body.
The operation principle of electronic parking pile-up valve that embodiment 1.1 is provided is：Two-position three way electronic control valve air inlet
1-1 input air pressures are flowed into pressure channel V 105, and dynamic iron core VI 206 is under the action of spring V205 by valve port III303
It closes, entire operating mode is shown as：ABS air inlet 1-1 air inlets, the second delivery outlet 2 is without output.
It is powered to connecting and valve coil 6.1 and common winding 6.4, electromagnetic valve coil I works is controlled electronically to the two-position three way of plug-in unit
Make, electromagnetic valve coil I acts on dynamic iron core VI 206 downward power, it made to overcome spring VI power so as to move downward, by valve
Mouth IV 304 is closed, while valve port III 303 is opened.At this point, the air pressure of pressure channel VI105 passes through valve port III 303
It is flowed into pressure channel VI 106.The gas pressure of pressure channel VI 106 is on double-way check valve 211, by valve port X 310
It opens, while valve port IX 309 is closed, the gas of pressure channel VI 106 is flowed into the second delivery outlet 2, shows as：Two three
Logical electronic control valve air inlet 1-1 air inlets, two-position three way electronic control valve coil 6.1 and common winding 6.4 are powered, the second output
2 output pressures of mouth.
Valve coil 6.1 is controlled electronically in two-position three way and common winding 6.4 powers off, and electromagnetic valve coil I does not work, line solenoid valve
It is zero that circle I, which acts on dynamic iron core VI 206 downward power disappearance,.Dynamic iron core VI 206 is transported upwards under the action of spring V 205
It is dynamic, valve port III 303 is closed, while valve port IV 304 is opened.From two-position three way electronic control valve air inlet 1-1 into
The gas entered flows only to pressure channel V 105, is then just cut off by valve port III 303.The gas of second delivery outlet 2 passes through valve
Doorway X 310 is flowed into pressure channel VI 106, later by valve port IV 304, flows to pressure channel VII 107, enters back into
Then pressure channel VIII 108 is discharged to air from exhaust outlet 3, shows as：Two-position three way electronic control valve air inlet 1-1 into
Gas, two-position three way electronic control valve coil 6.1 and common winding 6.4 power off, 2 output gas of the second delivery outlet and from exhaust outlet 3
It is discharged to air.
Embodiment 2.1:A kind of parking control method of electronic parking pile-up valve, including：
1 air inlet of A1.ABS air inlets, gas enter pressure channel I 101, and gas pressure is acted on diaphragm II 202, and
It is pushed open upwards, so as to open valve port I 301, gas enters pressure channel II 102；While pressure channel I 101
Gas flows to valve port V 305 and valve port VIII 308；Dynamic iron core VIII 208 is under the action of spring VII 207 by valve
Mouth V 305 is closed, and dynamic iron core IX 209 closes valve port VIII 308 under the action of spring X 210, pressure channel I
101 gas is flowed into pressure channel III 103 by pressure channel IV 104, and the gas of pressure channel III 103 acts on
On diaphragm III 203, valve port II 302 is closed, the gas of pressure channel II 102 flows into pressure channel IX 109, pushes
Double-way check valve 211 moves downward, and valve port IX 309 is opened at this time, and valve port X 310 is closed, and gas is from the second delivery outlet 2
Outflow；It shows as：1 air inlet of ABS air inlets, 2 output gas of the second delivery outlet.
B1. valve coil 6.3 is controlled electronically to two-position three way and common winding 6.4 is powered, electromagnetic valve coil II work, electromagnetism
Valve coil II acts on dynamic iron core VIII 208 downward power, it is made to overcome the active force of spring VII 207, and move downward,
Valve port VI 306 is closed, while valve port V 305 is opened.At this point, the gas of pressure channel I 101 passes through valve port V
305 flow to pressure channel X 110, then flow into pressure channel XI 111, then act on diaphragm II 202 downward power so that valve
Doorway I 301 is closed；It shows as：1 air inlet of ABS air inlets, 2 pressurize of the second delivery outlet.
C1. valve coil 6.2 is controlled electronically to two-position three way again and common winding 6.4 is powered, electromagnetic valve coil III work,
Electromagnetic valve coil III acts on dynamic iron core IX 209 upward power, overcomes the active force of spring X 210 and moves upwards, by valve
Doorway VII 307 is closed, while valve port VIII 308 is opened.At this point, the gas of pressure channel III 103 flows into pressure channel
IV 104, then pressure channel VIII 108 is flowed to by valve port VIII 308, then air is discharged to from exhaust outlet 3.
D1. the air pressure of pressure channel III 103 is kept to be reduced to 0, under the action of the gas pressure of pressure channel II102,
Diaphragm III 203 is moved downward, and valve port II 302 is opened, and the gas of the second delivery outlet 2 flows into gas by valve port IX 309
Pressure passageway IX 109 flows into pressure channel II 102 again；The gas of pressure channel II 102 flows to gas by valve port II 302
Pressure passageway XII 112, then pressure channel VIII 108 is flowed into, then air is discharged to from exhaust outlet 3.It shows as：ABS air inlets 1
Air inlet, the second delivery outlet 2 are vented from exhaust outlet 3.
E1. valve coil 6.2 being controlled electronically to two-position three way and common winding 6.4 powers off, electromagnetic valve coil III does not work,
Electromagnetic valve coil III acts on upward power to dynamic iron core IX 209 and becomes smaller, under the action of spring X 210, dynamic iron core IX 209
It moves downward, valve port VIII 308 is closed, while valve port VII 307 is opened；Diaphragm III 203 is spring IV's 204
It under effect, moves upwards, valve port II 302 is closed.
F1. coil 6.3 is vented to ABS again and ABS air inlets coil 6.4 powers off, electromagnetic valve coil II does not work, line solenoid valve
Circle II acts on dynamic iron core VIII 208 downward power and disappears, and under the action of spring VII 207, dynamic iron core VIII 208 is upward
Movement, valve port V 305 is closed, while valve port VI 306 is opened；The gas of pressure channel XI 111 flows to air pressure at this time
Channel X 110 then by valve port VI 306, flows into pressure channel VIII 108, is finally discharged to air from exhaust outlet 3.
Above-mentioned steps A1, B1, C1, D1, E1, F1 are performed successively, to realize parking releasing, parking braking and parking solution again
Switching between removing.
Embodiment 2.2:A kind of parking control method of electronic parking pile-up valve, including：
1 air inlet of A2.ABS air inlets, gas enter pressure channel I 101, and gas pressure is acted on diaphragm II 202, and
It is pushed open upwards, so as to open valve port I 301, gas enters pressure channel II 102；While pressure channel I 101
Gas flows to valve port V 305 and valve port VIII 308；Dynamic iron core VIII 208 is under the action of spring VII 207 by valve
Mouth V 305 is closed, and dynamic iron core IX 209 closes valve port VIII 308 under the action of spring X 210, pressure channel I
101 gas is flowed into pressure channel III 103 by pressure channel IV 104, and the gas of pressure channel III 103 acts on
On diaphragm III 203, valve port II 302 is closed, the gas of pressure channel II 102 flows into pressure channel IX 109, pushes
Double-way check valve 211 moves downward, and valve port IX 309 is opened at this time, and valve port X 310 is closed, and gas is from the second delivery outlet 2
Outflow；It shows as：1 air inlet of ABS air inlets, 2 output gas of the second delivery outlet.
B2. valve coil 6.3 is controlled electronically to two-position three way and common winding 6.4 is powered, electromagnetic valve coil II work, electromagnetism
Valve coil II acts on dynamic iron core VIII 208 downward power, it is made to overcome the active force of spring VII 207, and move downward,
Valve port VI 306 is closed, while valve port V 305 is opened.At this point, the gas of pressure channel I 101 passes through valve port V
305 flow to pressure channel X 110, then flow into pressure channel XI 111, then act on diaphragm II 202 downward power so that valve
Doorway I 301 is closed；It shows as：1 air inlet of ABS air inlets, 2 pressurize of the second delivery outlet.
C2. valve coil 6.2 is controlled electronically to two-position three way again and common winding 6.4 is powered, electromagnetic valve coil III work,
Electromagnetic valve coil III acts on dynamic iron core IX 209 upward power, overcomes the active force of spring X 210 and moves upwards, by valve
Doorway VII 307 is closed, while valve port VIII 308 is opened.At this point, the gas of pressure channel III 103 flows into pressure channel
IV 104, then pressure channel VIII 108 is flowed to by valve port VIII 308, then air is discharged to from exhaust outlet 3.
D2. the air pressure of pressure channel III 103 is kept to be reduced to 0, under the action of the gas pressure of pressure channel II102,
Diaphragm III 203 is moved downward, and valve port II 302 is opened, and the gas of the second delivery outlet 2 flows into gas by valve port IX 309
Pressure passageway IX 109 flows into pressure channel II 102 again；The gas of pressure channel II 102 flows to gas by valve port II 302
Pressure passageway XII 112, then pressure channel VIII 108 is flowed into, then air is discharged to from exhaust outlet 3.It shows as：ABS air inlets 1
Air inlet, the second delivery outlet 2 are vented from exhaust outlet 3.
E2. valve coil 6.2 being controlled electronically to two-position three way and common winding 6.4 powers off, electromagnetic valve coil III does not work,
Electromagnetic valve coil III acts on upward power to dynamic iron core IX 209 and becomes smaller, under the action of spring X 210, dynamic iron core IX 209
It moves downward, valve port VIII 308 is closed, while valve port VII 307 is opened；Diaphragm III 203 is spring IV's 204
It under effect, moves upwards, valve port II 302 is closed.
F2. coil 6.3 is vented to ABS again and ABS air inlets coil 6.4 powers off, electromagnetic valve coil II does not work, line solenoid valve
Circle II acts on dynamic iron core VIII 208 downward power and disappears, and under the action of spring VII 207, dynamic iron core VIII 208 is upward
Movement, valve port V 305 is closed, while valve port VI 306 is opened；The gas of pressure channel XI 111 flows to air pressure at this time
Channel X 110 then by valve port VI 306, flows into pressure channel VIII 108, is finally discharged to air from exhaust outlet 3.
The gas inlet passages 101 of A2.ABS air inlets 1 push diaphragm II 202 open upwards, and valve port 1 301 is opened, gas
Body enters pressure channel II 102, while the gas of pressure channel I 101 flows to valve port V 305 and valve port VIII 308；
Dynamic iron core VIII 208 closes valve port V 305 under the action of spring VII 207, and dynamic iron core IX 209 is in spring X 210
Under the action of, valve port VIII 308 is closed, the gas of pressure channel I 101 is flowed into air pressure by pressure channel IV 104
The gas of channel III 103, pressure channel III 103 are acted on diaphragm III 203, valve port II 302 are closed, air pressure
The gas of channel II 102 flows into pressure channel IX 109, double-way check valve 211 is pushed to move downward, at this time valve port IX 309
It opens, valve port X 310 is closed, and gas is flowed out from the second delivery outlet 2；It shows as：1 air inlet of ABS air inlets, the second delivery outlet 2
Output gas.
A2, B2, C2, D2, E2, F2, A2 are performed successively.
Above-described embodiment two-position three way is controlled electronically by control valve valve coil 6.1 and ABS be vented coil 6.2 and
The power on/off of ABS air inlets coil 6.3 and common winding 6.4 controls the function of the electronic parking pile-up valve.
The electronic parking pile-up valve that above-described embodiment provides is integrated with a double-way check valve, a two-position three way electronics control
Valve processed, an ABS barostat can realize that the institute of these three valves is functional, be related to so as to overcome existing electronic brake
And valve member and electrical part quantity it is various, valve member and pipeline are not easy to assemble, and the defects of take up too much space.
The electronic parking pile-up valve that above-described embodiment provides belongs to brand-new design, and structure novel is compact, small, weight
Gently, original two electronically controlled electromagnetic coils are replaced with an electromagnetic coil, all gas path joints insert knot soon using VOSS
The effectively save material of structure reduces the volume of entire valve body.
Claims (10)
1. a kind of electronic parking pile-up valve, including upper cover, valve body in upper cover connection, connection lower valve body below valve body in this,
Valve body rear connects rear cover in this, includes ABS air inlets (1) and two-position three way electronic control valve air inlet on the outside of the middle valve body
(1-1), it is characterised in that：The middle valve body, which embeds, fills at least one double-way check valve, at least one two-position three way electronic control
Valve and at least one ABS barostats, the ABS barostats include two electromagnetic valve cores being set up in parallel, two three
Logical electronic control valve is located in the middle valve body of the ABS barostats side, the dynamic iron of the two-position three way electronic control valve
Core VI (206) includes pressure channel VI (106), the outer pocketed springs V (205) of dynamic iron core VI (206), dynamic iron core VI (206)
Top further includes valve port III (303), is set between the valve port III (303) of two-position three way electronic control valve and the upper cover
The lower section of pressure channel V (105), dynamic iron core VI (206) include valve port IV (304), the two-position three way electronic control valve
Wound around coil I on the outside of dynamic iron core sets pressure channel VII between the two-position three way electronic control valve bottom and the lower valve body
(107)；The ABS barostats include being arranged on the electromagnetic valve II at the middle valve body center and electromagnetic valve II I, the electromagnetism
Winding electromagnetic valve coil II on the outside of valve II, it is described equipped with spring VII (207) between the electromagnetic valve II top and the upper cover
Include valve port VI below electromagnetic valve II top setting dynamic iron core VIII (208), the dynamic iron core VIII (208) of the electromagnetic valve II
(306), include valve port V (305), the dynamic iron core of the electromagnetic valve II above the dynamic iron core VIII (208) of the electromagnetic valve II
Pressure channel I (101), pressure channel I are formed above VIII (208) and above the electromagnetic valve II I and between the upper cover
(101) connection ABS air inlets (1)；Winding electromagnetic valve coil III on the outside of the electromagnetic valve II I, the electromagnetic valve II I lower parts are set
Dynamic iron core IX (209) is put, includes valve port VII (307), electromagnetic valve II I above the dynamic iron core IX (209) of electromagnetic valve II I
Dynamic iron core IX (209) below and the lower valve body between be embedded in spring X (210).The dynamic iron core IX of the electromagnetic valve II I
(209) lower section includes valve port VIII (308), between dynamic iron core IX (209) lower parts of the electromagnetic valve II I and the lower valve body
Pressure channel IV (104) is further included, pressure channel VIII (108) is included between the lower valve body and the electromagnetic valve II lower part.
2. electronic parking pile-up valve as described in claim 1, it is characterised in that：The middle valve body-side face includes the second delivery outlet
(2), the lower valve body lower part setting exhaust outlet (3).
3. electronic parking pile-up valve as described in claim 1, it is characterised in that：The upper cover on the inside of second delivery outlet (2)
And the double-way check valve (211) is set between the middle valve body, between double-way check valve (211) side and the middle valve body
Including valve port IX (309).
4. electronic parking pile-up valve as described in claim 1, it is characterised in that：The opposite side of double-way check valve (211) and institute
It states and includes valve port X (310) between valve body, include pressure channel VI in the middle valve body of double-way check valve (211) opposite side
(106), pressure channel VI (106) connects the two-position three way electronic control valve and the double-way check valve under specific operation
Valve port X (310)；Pressure channel is provided in middle valve body on the outside of the valve port IX (309) of double-way check valve (211) side
IX(109)。
5. electronic parking pile-up valve as described in claim 1, it is characterised in that：Pressure channel IX (109) connects pressure channel
(102), on the outside of the end setting diaphragm II (202) of pressure channel IX (109), diaphragm II (202) between the middle valve body
Spring I (201) is set, and one side of diaphragm II (202) outsides includes pressure channel XI (111)；Diaphragm II (202) and the middle valve
Valve port I (301) is set between body.
6. electronic parking pile-up valve as described in claim 1, it is characterised in that：Middle valve body on the right side of double-way check valve (211)
Pressure channel II (102) is inside further included, the central axis of the pressure channel II (102) and the pressure channel IX (109) hangs down
Directly；Setting pressure channel XII (112) in middle valve body below pressure channel II (102), the pressure channel XII (112) end packet
Include diaphragm III (203), setting spring IV (204) between diaphragm III (203) lower sections and the lower valve body；Pressure channel XII
(112) valve port II (302) is further included between the middle valve body and the diaphragm III (203) on the outside of；Pressure channel XII's (112)
Central axis and the central axis upright of the pressure channel II (102).
7. electronic parking pile-up valve as described in claim 1, it is characterised in that：Between spring IV (204) and the lower valve body
Further include pressure channel III (103).
8. electronic parking pile-up valve as described in claim 1, it is characterised in that：The two-position three way electronic control valve and two
Threeway electronic control valve coil (6.1) connects, and two-position three way electronic control valve coil (6.1) is arranged on outside the middle valve body
Portion, two-position three way electronic control valve coil (6.1) top also set up common winding (6.4), are also set up outside the middle valve body
ABS is vented coil and ABS air inlet coils.
9. a kind of parking control method of electronic parking pile-up valve, including：
A1.ABS air inlets (1) air inlet, gas enter pressure channel I (101), and gas pressure is acted on diaphragm II (202), and
It is pushed open upwards, so as to open valve port I (301), gas enters pressure channel II (102)；Pressure channel I simultaneously
(101) gas flows to valve port V (305) and valve port VIII (308)；Dynamic iron core VIII (208) is spring VII's (207)
Valve port V (305) is closed under effect, dynamic iron core IX (209) is under the action of spring X (210), by valve port VIII (308)
It closes, the gas of pressure channel I (101) is flowed into pressure channel III (103), pressure channel by pressure channel IV (104)
The gas of III (103) is acted on diaphragm III (203), valve port II (302) is closed, the gas of pressure channel II (102)
Pressure channel IX (109) is flowed into, double-way check valve (211) is pushed to move downward, valve port IX (309) is opened at this time, valve port X
(310) it closes, gas is flowed out from the second delivery outlet (2)；It shows as：ABS air inlets (1) air inlet, the second delivery outlet (2) output gas
Body；
B1. it is powered to two-position three way electronic control valve coil (6.3) and common winding (6.4), electromagnetic valve coil II work, electromagnetism
Valve coil II acts on dynamic iron core VIII (208) downward power, it is made to overcome the active force of spring VII (207), and transport downwards
It is dynamic, valve port VI (306) is closed, while valve port V (305) is opened.At this point, the gas of pressure channel I (101) passes through valve
Mouth V (305) flows to pressure channel X (110), then flow into pressure channel XI (111), and then diaphragm II (202) is acted on downwards
Power so that valve port I (301) is closed；It shows as：ABS air inlets (1) air inlet, the second delivery outlet (2) pressurize；
C1. it is powered again to two-position three way electronic control valve coil (6.2) and common winding (6.4), electromagnetic valve coil III work,
Electromagnetic valve coil III acts on dynamic iron core IX (209) upward power, overcomes the active force of spring X (210) and moves upwards, will
Valve port VII (307) is closed, while valve port VIII (308) is opened.At this point, the gas of pressure channel III (103) flows into gas
Pressure passageway IV (104), then pressure channel VIII (108) is flowed to by valve port VIII (308), then it is discharged to from exhaust outlet (3)
Air；
D1. the air pressure of pressure channel III (103) is kept to be reduced to zero, under the action of the gas pressure of pressure channel II (102),
Diaphragm III (203) is moved downward, and valve port II (302) is opened, and the gas of the second delivery outlet (2) is flowed by valve port IX (309)
Enter pressure channel IX (109) and flow into pressure channel II (102) again；The gas of pressure channel II (102) passes through valve port II
302) pressure channel XII (112), is flowed to, then flows into pressure channel VIII (108), is then discharged to air from exhaust outlet (3).Table
It is now：ABS air inlets (1) air inlet, the second delivery outlet (2) are vented from exhaust outlet (3)；
E1. two-position three way electronic control valve coil (6.2) and common winding (6.4) being powered off, electromagnetic valve coil III does not work,
Electromagnetic valve coil III acts on upward power to dynamic iron core IX (209) and becomes smaller, under the action of spring X (210), dynamic iron core IX
(209) it moves downward, valve port VIII (308) is closed, while valve port VII (307) is opened；Diaphragm III (203) is in spring
It under the action of IV (204), moves upwards, valve port II (302) is closed；
F1. ABS exhaust coils (6.3) and ABS air inlets coil (6.4) are powered off again, electromagnetic valve coil II does not work, line solenoid valve
It encloses II and acts on dynamic iron core VIII (208) downward power disappearance, under the action of spring VII (207), dynamic iron core VIII (208)
It moves upwards, valve port V (305) is closed, while valve port VI (306) is opened；The gas stream of pressure channel XI (111) at this time
To pressure channel X (110), then by valve port VI 306, pressure channel VIII 108 is flowed into), finally arranged from exhaust outlet (3)
To air；
It is characterized in that：Above-mentioned steps A1, B1, C1, D1, E1, F1 are performed successively.
10. the parking control method of electronic parking pile-up valve as claimed in claim 9, it is characterised in that：Step is performed successively
A1、B1、C1、D1、E1、F1、A1。
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109501791A (en) * | 2018-09-30 | 2019-03-22 | 浙江万安科技股份有限公司 | Integrated form EPB valve assembly and EPB electronic brake system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101508286A (en) * | 2009-03-31 | 2009-08-19 | 清华大学 | Brake booster for electric motor |
| CN201882072U (en) * | 2010-12-08 | 2011-06-29 | 中国铁道科学研究院机车车辆研究所 | Electro-pneumatic braking system |
| CN103754211A (en) * | 2014-01-21 | 2014-04-30 | 南京理工大学 | Pressure-adjustable parking brake apparatus |
| CN107215327A (en) * | 2017-06-15 | 2017-09-29 | 南京理工大学 | Air-pressure type electronic parking braking pile-up valve |
-
2018
- 2018-01-05 CN CN201810012179.0A patent/CN108146415B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101508286A (en) * | 2009-03-31 | 2009-08-19 | 清华大学 | Brake booster for electric motor |
| CN201882072U (en) * | 2010-12-08 | 2011-06-29 | 中国铁道科学研究院机车车辆研究所 | Electro-pneumatic braking system |
| CN103754211A (en) * | 2014-01-21 | 2014-04-30 | 南京理工大学 | Pressure-adjustable parking brake apparatus |
| CN107215327A (en) * | 2017-06-15 | 2017-09-29 | 南京理工大学 | Air-pressure type electronic parking braking pile-up valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109501791A (en) * | 2018-09-30 | 2019-03-22 | 浙江万安科技股份有限公司 | Integrated form EPB valve assembly and EPB electronic brake system |
| CN109501791B (en) * | 2018-09-30 | 2024-01-19 | 浙江万安科技股份有限公司 | Integrated EPB valve assembly and EPB electronic parking brake system |
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Effective date of registration: 20230410 Address after: No. 456, Binhai 4th Road, Wenzhou Economic and Technological Development Zone, Wenzhou City, Zhejiang Province Patentee after: WENZHOU RUILI KORMEE AUTOMOTIVE ELECTRONICS CO.,LTD. Address before: Ruian City, Wenzhou City, 325200 Zhejiang Province Economic Development Zone No. 1169 Meng Lu Patentee before: RUILI GROUP RUIAN AUTO PARTS Co.,Ltd. |