CN209467122U - It is a kind of for going out formula solenoid valve into side under line control brake system - Google Patents
It is a kind of for going out formula solenoid valve into side under line control brake system Download PDFInfo
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- CN209467122U CN209467122U CN201821980077.XU CN201821980077U CN209467122U CN 209467122 U CN209467122 U CN 209467122U CN 201821980077 U CN201821980077 U CN 201821980077U CN 209467122 U CN209467122 U CN 209467122U
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Abstract
The utility model discloses a kind of for going out formula solenoid valve into side under line control brake system, it is intended to which solution is directly controlled using high current, with the big deficiency of low precision, calorific value.Dynamic iron, the valve seat that the utility model includes valve body, is mounted on valve body, valve body is mounted on valve seat, be set with coil on valve body, be provided with pretension elastic component between valve body and dynamic iron, dynamic iron can on pretension elastic component axial direction lifting moving, valve seat is equipped with the feed pathway of perforation, the outer rim of valve seat is equipped with liquid outlet channel, and liquid outlet channel is equipped with liquid outlet on the side wall of valve seat, moves iron and is equipped with valve ball, valve ball closes the outlet in feed pathway, and coil connects the controller of exportable pwm signal.By using PWM form control, precision is high, and calorific value is small, needs liquid measure few.
Description
Technical field
The utility model relates to a kind of solenoid valve, more specifically, it relates to it is a kind of under line control brake system into
Side goes out formula solenoid valve.
Background technique
Braking system is the important leverage of ride safety of automobile.Brake-by-wire technology compares Conventional braking systems, has knot
Many advantages, such as structure is simple, braking response is fast, control precision height, flexible arrangement, consistent pedal characteristic.Line control brake system is cancelled
Being directly connected to for brake pedal and wheel cylinder, gives driver one pedal reaction force, makes using pedal travel simulator
Driver has a good brake pedal feel.Wheel cylinder brake force pressure source is provided by electrodynamic pump and accumulator system, according to
The difference of driver pedal stroke signal controls solenoid valve by pressure of wheel braking cylinder and exports demand wheel cylinder brake force, completes driver
Braking requirement.By judging the signals such as pedal travel sensor, pressure needed for obtaining required wheel cylinder passes through Wheel cylinder pressure sensors
Real-time pressure of wheel braking cylinder is fed back, closed-loop control pressure charging valve, pressure reducing valve can be realized pressure of wheel braking cylinder and follow to target value.
Present solenoid valve is directly controlled by high current, for solenoid valve frequent for work times, high current control
System is pneumatic often, and calorific value is big, and big to power-supply system load, coil is easy to aging, influences precision.Meanwhile spool needs overcome
Hydraulic coupling, reaction speed also will receive influence.
Chinese patent notification number CN201220003436.2, entitled mine anti-explosion solenoid valve, this application discloses one
Kind mine anti-explosion solenoid valve, it includes solenoid valve body explosion-resistant enclosure, pilot valve, master valve and anti-explosion terminal box, and ontology is explosion-proof
Pilot valve and master valve are provided in shell, pilot valve is connected with master valve, and anti-explosion terminal box setting is explosion-proof in solenoid valve body
Shell exterior.It solves the disadvantage that solenoid valve occurs electric spark in, easily causes explosion, but uses high current direct
Control, with the big deficiency of low precision, calorific value.
Utility model content
The utility model overcomes the solenoid valve for directly using current control now, provides a kind of for line control brake system
Under into side go out formula solenoid valve, its precision is high, and calorific value is small, needs liquid measure few.
In order to solve the above-mentioned technical problem, the utility model uses following technical scheme:
It is a kind of for going out formula solenoid valve into side under line control brake system, including valve body, the dynamic iron, the valve that are mounted on valve body
Seat, valve body is mounted on valve seat, and coil is set on valve body, is provided with pretension elastic component between valve body and dynamic iron, and dynamic iron can be
Lifting moving on pretension elastic component axial direction, valve seat are equipped with the feed pathway of perforation, and it is logical that the outer rim of valve seat is equipped with liquid
Road, liquid outlet channel are equipped with liquid outlet on the side wall of valve seat, move iron and are equipped with valve ball, and valve ball closes the outlet in feed pathway,
Coil connects the controller of exportable pwm signal.
Controller connects coil using the high-frequency impulse mode of PWM formula, accounts for the value of unit time by adjusting pulse to adjust
The current electrifying number of nodel line circle, and then dynamic iron is influenced, so that dynamic iron customer service pretension elastic component lifting, valve ball lifting, feed liquor are logical
Road is connected to the space between valve body and valve seat, also connect with the liquid outlet channel on valve seat.Under the action of pressure, oil liquid is from feed liquor
Channel is through the space between valve body and valve seat to liquid outlet channel.Under obstructed electricity condition, iron is moved under the action of pretension elastic component
It resets, the valve ball of dynamic iron bottom is connected to the inlet of feed pathway, and oil liquid not can enter.It is had the gap between dynamic iron and valve body,
Therefore, oil liquid can enter in these gaps, and iron top and the bottom surface area dynamic in this way is close, and oil liquid bring hydraulic coupling is very
It is small, moving up and down for dynamic iron will not be impacted.The duty ratio of PWM is bigger, and the oil pressure that solenoid valve can provide is bigger, relatively
Traditional solenoid valve precision is high, needs liquid measure few.It can be integrated into line control brake system well under into the structure that side goes out formula,
It does not need to be altered the other parts of line control brake system.
Preferably, being also connected with the second valve body on valve seat, the second dynamic iron is provided on the second valve body and valve seat, second is dynamic
It is provided with pretension elastic component between iron and the second valve body, the second dynamic iron end is equipped with valve ball, and feed pathway is corresponding the on valve seat
The valve ball position of two dynamic iron bottoms is equipped with corresponding feed liquor branch pipe, and coil is set on the second valve body, and coil connection is exportable fixed
The controller of volume electric current.Second valve body is to solve to reach required output pressure when solenoid valve pwm low latitude accounting
Time is slower, be reacted in the line control brake system of automobile the amplitude that namely touches on the brake it is lesser when, react slow, feel
"flesh" (nonproductive construction).Therefore the second new valve body is increased.Second valve body is also disposed on valve seat.Oil inlet pipe is connected to feed liquor branch pipe, the second valve
The valve ball of body corresponds to feed liquor branch pipe.The corresponding feed liquor branch pipe of second valve body assists feed liquor, closes after feed pathway pressure becomes larger.
Space between second valve body and valve seat is communicated with the liquid branch pipe out for going out liquid.Be quick on the draw, feedback it is good
Advantage.
Preferably, being equipped with antifreeze plate between valve body and the second valve body.Antifreeze plate avoids applying between valve body and the second valve body
It interacts when adding electric current or pwm signal, causes error.
Preferably, the surface of dynamic iron is equipped with several axial oil grooves.Moving ironing surface axial oil groove ensure that dynamic iron or more
The surface area of bottom surface is close, can ignore dynamic iron difference in areas bring hydraulic coupling up and down.
Preferably, being set with the one-way sealing seal for avoiding liquid from flowing backwards on valve seat.Avoiding liquid from flowing backwards influences electricity
Magnet valve accurately controls the purpose of pressure.
Preferably, feed pathway penetrates through valve seat, feed pathway is equipped with close to bottom position prevents oil liquid from feed pathway
The oil sealing ball of leakage, feed pathway is small compared with other section close to top section diameter, feed pathway the top of valve seat be equipped with it is upper it is big under
The small conical surface.Feed pathway includes lateral feed liquor branch pipe, longitudinal channel, and is connected to.It is easy to process, design vertical passage
Oil sealing mouth is set below lateral feed pathway to prevent oil leak through seat bottom portion.The conical surface is avoided to be aligned valve ball
Valve ball is retrodeviated in multiple work from feed pathway.Diameter of the feed pathway under the conical surface is small, according to Pascal's law, oil passage
Inlet needs the power of the elastic force of several times of dynamic iron gravity and pretension elastic component that can just open valve ball, avoids in the feelings being not intended to
Feed pathway is fuel-displaced under condition.
It is a kind of for going out the control method of formula solenoid valve under line control brake system into side, comprising steps of
(1) when controller sets the pressure demand of a 5Mpa or more:
(a) controller retrieves duty ratio corresponding with required pressure demand, and exports corresponding pwm pulse signal to valve
Coil on body；
(b) pwm pulse signal acts on dynamic iron, and dynamic iron overcomes pretension elastic component to rise, and valve ball rises with it, and feed liquor is logical
Road is connected to liquid outlet channel, and solenoid valve is opened, and exports oil liquid；
(2) when one 5Mpa of controller setting pressure demand below:
(a) controller retrieves duty ratio corresponding with required pressure demand, and exports corresponding pwm pulse signal to valve
Coil on body；
(b) controller retrieves function of current duration corresponding with required pressure demand, and exports electric current to the second valve body
On coil and act on corresponding duration；
(c) pwm pulse signal acts on dynamic iron, and dynamic iron overcomes pretension elastic component to rise, and valve ball rises with it, and feed liquor is logical
Road is connected to liquid outlet channel, and solenoid valve is opened, and exports oil liquid；
(d) current signal acts on the second dynamic iron, and acts on corresponding duration, and the second dynamic iron overcomes in pretension elastic component
It rising, valve ball rises with it, and electric current stops after the stipulated time, and the second dynamic iron resets, and feed liquor branch pipe is no longer connected to liquid outlet channel, into
Liquid branch pipe no longer inputs oil liquid.
Line control brake system eliminates being directly connected to for brake pedal and wheel cylinder, using pedal travel simulator to being driven
One pedal reaction force of the person of sailing, makes driver have a good brake pedal feel.Wheel cylinder brake force pressure source is by electronic
Pump and accumulator system provide, and according to the difference of driver pedal stroke signal, controlling solenoid valve output by pressure of wheel braking cylinder is needed
Wheel cylinder brake force is sought, operator brake demand is completed.So-called pressure demand just refers to that simulator is stepped on for corresponding brake pedal
The wheel cylinder that generates of amplitude need pressure to be achieved.And corresponding pressure is to go out formula solenoid valve and electrodynamic pump and storage into side under
Can device system control.When leaving the factory with regard to the corresponding relationship of preparatory typing output pressure and duty ratio in the controller.Control
Device generates corresponding pressure demand to controller, and controller exports corresponding according to the corresponding relationship of pressure demand and duty ratio
Pwm signal is to coil, to realize the conducting of valve.As shown in Fig. 2, the pressure of the higher generation of the duty ratio of PWM is bigger, accounted in height
In the state of sky ratio, the time for reaching required pressure is short, postpones small.But corresponding lesser pressure demand, to reach required pressure
The strong time is long, and delay is big, is reacted in line control brake system namely reaction slowly, feel meat.Therefore, controller is exporting
When pwm signal is to coil on valve body, electric current can be also exported to the coil on the second valve body and acts on certain time length and powers off.It is first
Feed liquor is first distinguished by the corresponding feed pathway of valve body and the corresponding feed liquor branch pipe of the second valve body, it is subsequent to be led to by the corresponding feed liquor of valve body
Road oil inlet, so that supplemental current controls so that solenoid valve is quick on the draw in pwm signal control, delay is lower.
Preferably, liquid outlet channel is nearby equipped with hydrostatic sensor, hydrostatic sensor is electrically connected controller, comprising steps of
(1) controller controls dynamic iron and rises, and oil liquid is from feed pathway to liquid outlet channel；
(2) hydrostatic sensor detects that the final stable state of liquid passage proximate is hydraulic and feeds back to controller；
(3) controller is obtained hydraulic and is compared with required pressure demand:
(a) when final stable state is hydraulic is greater than pressure demand: controller detects the duty ratio mapping of input hydraulic；
(b) when final stable state is hydraulic is less than pressure demand: controller detects the duty ratio mapping of input hydraulic；
(c) when final stable state is hydraulic is equal to pressure demand: controller is without modification.
(4) hydrostatic sensor detection liquid outlet channel reaches the final stable state hydraulic time and feeds back to controller；
(a) when the time detected is greater than controller built-in current effect duration: when controller increases current unit effect
It is long；
(b) when the time detected is less than controller built-in current effect duration: when controller reduces current unit effect
It is long；
(c) when the time detected is equal to controller built-in current effect duration: controller is without modification.
Instantly go out formula solenoid valve by when used for a long time into side, the relationship between output pressure and duty ratio in controller can
It can no longer correspond to.Hydrostatic sensor by the hydraulic feedback of output to controller, with it is expected it is hydraulic compare, if there is larger difference
Not, then new data and the duty ratio typing inputted before are formed into new mapping relations；Equally, controller can detect hydraulic
Sensor export final stable state it is hydraulic when time, if having greater difference with estimated time for setting when dispatching from the factory in controller,
1 unit of current work time is modified, 1 unit time may be set to 10ms, accordingly even when it is still inaccurate, by being used for multiple times,
It will revert under exact state.Controller to duty ratio map it is hydraulic count, if each data concentrate on some section,
It then alarms to line control brake system, prompts replacement.
Compared with prior art, the utility model has the beneficial effects that (1) precision is high, need liquid measure few；(2) it is arranged second
Valve body makes the delay of each duty ratio low, is quick on the draw；(3) axial oil groove makes the hydraulic pressure difference of dynamic iron or more negligible not
Meter, will not influence；(3) it can be integrated into line control brake system, not need to line traffic control well into the structure that side goes out formula under using
The other parts of braking system are altered.
Detailed description of the invention
Fig. 1 is the cross-sectional view for ignoring coil of the utility model；
Fig. 2 is that the pwm signal duty ratio that the utility model is obtained through test of many times and solenoid valve oil outlet pressure dependence are special
Linearity curve figure；
In figure: 1, valve body, 2, dynamic iron, 3, valve seat, 4, oil sealing ball, 5, pretension elastic component, 6, feed pathway, 7, to go out liquid logical
Road, 8, liquid outlet, 9, valve ball, the 10, second valve body, the 11, second dynamic iron, 12, feed liquor branch pipe, 13, antifreeze plate, 14, axial oil groove,
15, go out liquid branch pipe, 16, one-way sealing seal.
Specific embodiment
Below by specific embodiment, and in conjunction with attached drawing, the technical solution of the utility model work is further specifically retouched
It states:
Embodiment: it is a kind of for going out formula solenoid valve into side under line control brake system, as shown in Figure 1, including valve body 1, peace
Dynamic iron 2, valve seat 3 on valve body 1 are set with coil on valve body 1, and valve body 1 is mounted on valve seat 3, valve body 1 and dynamic iron 2 it
Between be provided with pretension elastic component 5, move iron 2 can on 5 axial direction of pretension elastic component lifting moving, valve seat 3 be equipped with perforation
Feed pathway 6, the outer rim of valve seat 3 are equipped with liquid outlet channel 7, and liquid outlet channel 7 is equipped with liquid outlet 8 on the side wall of valve seat 3, move iron
2 are equipped with valve ball 9, and valve ball 9 closes the outlet in feed pathway 6, and coil connects the controller of exportable pwm signal.On valve seat 3
It is also connected with the second valve body 10, the second dynamic iron 11, the second dynamic iron 11 and the second valve body 10 are provided on the second valve body 10 and valve seat 3
Between be provided with pretension elastic component 5, the second dynamic 11 end of iron is equipped with valve ball 9, the corresponding second dynamic iron on valve seat 3 of feed pathway 6
9 position of valve ball of 11 bottoms is equipped with corresponding feed liquor branch pipe 12, and coil is set on the second valve body 10, and coil connects exportable electricity
The controller of stream.Antifreeze plate 13 is equipped between valve body 1 and the second valve body 10.The surface of dynamic iron 2 is equipped with several axial oil grooves 14.Valve
The one-way sealing seal 16 for avoiding liquid from flowing backwards is set on seat.Feed pathway 6 is T-shaped, the perforation valve seat 3 of feed pathway 6,
Feed pathway 6 is equipped with the oil sealing ball 4 for preventing oil liquid from leaking out from feed pathway 6 close to bottom position, and feed pathway 6 is close to top section
Diameter is small compared with other section, and feed pathway 6 is equipped with the up big and down small conical surface at the top of valve seat 3.
Controller connects coil using the high-frequency impulse mode of PWM formula, accounts for the value of unit time by adjusting pulse to adjust
The current electrifying number of nodel line circle, and then dynamic iron 2 is influenced, so that dynamic 2 customer service pretension elastic component 5 of iron lifting, valve ball 9 are lifted, into
Liquid channel 6 is connected to the space between valve body 1 and valve seat 3, also connect with the liquid outlet channel 7 on valve seat 3.Under the action of pressure,
Oil liquid is from feed pathway 6 through the space between valve body 1 and valve seat 3 to liquid outlet channel 7.Under obstructed electricity condition, dynamic iron 2 is being pre-tightened
It is resetted under the action of elastic component 5, the valve ball 9 of dynamic 2 bottom of iron is connected to the inlet of feed pathway 6, and oil liquid not can enter.Dynamic iron
It is had the gap between 2 and valve body 1, therefore, oil liquid can enter in these gaps, and 2 top and the bottom surface area of iron dynamic in this way connects
Closely, oil liquid bring hydraulic coupling very little will not impact dynamic moving up and down for iron 2.The duty ratio of PWM is bigger, solenoid valve
The oil pressure that can be provided is bigger, and relatively traditional solenoid valve precision is high, needs liquid measure few.As shown in Fig. 2, the second valve body 10 be in order to
It solves when solenoid valve pwm low latitude accounting, the output pressure time for reaching required is slower, is reacted to the brake-by-wire of automobile
When the amplitude that namely touches on the brake in system is lesser, slow, feel "flesh" (nonproductive construction) is reacted.Therefore the second new valve body is increased
10.Second valve body 10 is also disposed on valve seat 3.Oil inlet pipe is connected to feed liquor branch pipe 12, the corresponding feed liquor branch of the valve ball 9 of the second valve body 10
Pipe 12.The corresponding feed liquor branch pipe 12 of second valve body 10 assists feed liquor, closes after 6 pressure of feed pathway becomes larger.Second valve body 10
Space between valve seat 3 is communicated with out liquid branch pipe 15.It is quick on the draw.The axial oil groove 14 on dynamic 2 surface of iron ensure that on dynamic iron 2
The surface area of bottom surface is close, can ignore dynamic about 2 difference in areas bring hydraulic coupling of iron.One-way sealing seal 16 avoids liquid from falling
Stream influences solenoid valve and accurately controls pressure.Feed pathway 6 includes lateral channel, longitudinal channel, the connection of two channels.For convenient for
Processing, design vertical passage run through 3 bottom of valve seat, and to prevent oil leak, oil sealing mouth is arranged below lateral feed pathway 6.The conical surface
It is to avoid valve ball 9 from retrodeviating in multiple work from feed pathway 6 to be aligned valve ball 9.Diameter of the feed pathway 6 under the conical surface is small,
According to Pascal's law, oil passage inlet needs the power ability of the elastic force of several times of dynamic 2 gravity of iron and pretension elastic component 5
Valve ball 9 is opened, avoids the feed pathway 6 in the case where being not intended to fuel-displaced.Antifreeze plate 13 avoids applying between valve body and the second valve body
It interacts when adding electric current or pwm signal, causes error.
It is a kind of for going out the control method of formula solenoid valve under line control brake system into side, comprising steps of
(1) when controller sets the pressure demand of a 5Mpa or more:
(a) controller retrieves duty ratio corresponding with required pressure demand, and exports corresponding pwm pulse signal to valve
Coil on body 1；
(b) pwm pulse signal acts on dynamic iron 2, and dynamic iron 2 overcomes pretension elastic component 5 to rise, and valve ball 9 rises with it, into
Liquid channel 6 is connected to liquid outlet channel 7, and solenoid valve is opened, and exports oil liquid；
(2) when one 5Mpa of controller setting pressure demand below:
(a) controller retrieves duty ratio corresponding with required pressure demand, and exports corresponding pwm pulse signal to valve
Coil on body 1；
(b) controller retrieves function of current duration corresponding with required pressure demand, and exports electric current to the second valve body
Coil on 10 simultaneously acts on corresponding duration；
(c) pwm pulse signal acts on dynamic iron 2, and dynamic iron 2 overcomes pretension elastic component 5 to rise, and valve ball 9 rises with it, into
Liquid channel 6 is connected to liquid outlet channel 7, and solenoid valve is opened, and exports oil liquid；
(d) current signal acts on the second dynamic iron 11, and acts on corresponding duration, and the second dynamic iron 11 overcomes preload elasticity
Part 5 rises, and valve ball 9 rises with it, and electric current stops after the stipulated time, and the second dynamic iron 11 resets, and feed liquor branch pipe 12 is no longer connected to
Liquid outlet channel 7, feed liquor branch pipe 12 no longer input oil liquid.
Liquid outlet channel 7 is nearby equipped with hydrostatic sensor, and hydrostatic sensor is electrically connected controller, comprising steps of
(1) controller controls dynamic iron 2 and rises, and oil liquid is from feed pathway 6 to liquid outlet channel 7；
(2) the final stable state near hydrostatic sensor detection liquid outlet channel 7 is hydraulic and feeds back to controller；
(3) controller is obtained hydraulic and is compared with required pressure demand:
(a) when final stable state is hydraulic is greater than pressure demand: controller detects the duty ratio mapping of input hydraulic；
(b) when final stable state is hydraulic is less than pressure demand: controller detects the duty ratio mapping of input hydraulic；
(c) when final stable state is hydraulic is equal to pressure demand: controller is without modification.
(4) hydrostatic sensor detection liquid outlet channel 7 reaches the final stable state hydraulic time and feeds back to controller；
(a) when the time detected is greater than controller built-in current effect duration: when controller increases current unit effect
It is long；
(b) when the time detected is less than controller built-in current effect duration: when controller reduces current unit effect
It is long；
(when the time that c is detected is equal to controller built-in current effect duration: controller is without modification.
Line control brake system eliminates being directly connected to for brake pedal and wheel cylinder, using pedal travel simulator to being driven
One pedal reaction force of the person of sailing, makes driver have a good brake pedal feel.Wheel cylinder brake force pressure source is by electronic
Pump and accumulator system provide, and according to the difference of driver pedal stroke signal, controlling solenoid valve output by pressure of wheel braking cylinder is needed
Wheel cylinder brake force is sought, operator brake demand is completed.So-called pressure demand just refers to that simulator is stepped on for corresponding brake pedal
The wheel cylinder that generates of amplitude need pressure to be achieved.And corresponding pressure is to go out formula solenoid valve and electrodynamic pump and storage into side under
Can device system control.When leaving the factory with regard to the corresponding relationship of preparatory typing output pressure and duty ratio in the controller.Control
Device generates corresponding pressure demand to controller, and controller exports corresponding according to the corresponding relationship of pressure demand and duty ratio
Pwm signal is to coil, to realize the conducting of valve.As shown in Fig. 2, the pressure of the higher generation of the duty ratio of PWM is bigger, accounted in height
In the state of sky ratio, the time for reaching required pressure is short, postpones small.But corresponding lesser pressure demand, to reach required pressure
The strong time is long, and delay is big, is reacted in line control brake system namely reaction slowly, feel meat.Therefore, controller is exporting
When pwm signal is to coil on valve body 1, electric current can be also exported to the coil on the second valve body 10 and acts on certain time length and breaks
Electricity.Feed liquor is distinguished by the corresponding feed pathway 6 of valve body 1 and the corresponding feed liquor branch pipe 12 of the second valve body 10 first, it is subsequent by valve body 1
Corresponding 6 oil inlet of feed pathway is prolonged so that supplemental current controls so that solenoid valve is quick on the draw in pwm signal control
It is lower late.Instantly go out solenoid valve by when used for a long time into side formula, the relationship between output pressure and duty ratio in controller can
It can no longer correspond to.Hydrostatic sensor by the hydraulic feedback of output to controller, with it is expected it is hydraulic compare, if there is larger difference
Not, then new data and the duty ratio typing inputted before are formed into new mapping relations；Equally, controller can detect hydraulic
Sensor export final stable state it is hydraulic when time, if having greater difference with estimated time for setting when dispatching from the factory in controller,
1 unit of current work time is modified, 1 unit time may be set to 10ms, accordingly even when it is still inaccurate, by being used for multiple times,
It will revert under exact state.Controller to duty ratio map it is hydraulic count, if each data concentrate on some section,
It then alarms to line control brake system, prompts replacement.
Embodiment described above is a kind of preferable scheme of the utility model, is not made to the utility model any
Formal limitation, there are also other variations and modifications on the premise of not exceeding the technical scheme recorded in the claims.
Claims (6)
1. a kind of for going out formula solenoid valve into side under line control brake system, characterized in that including valve body, be mounted on valve body
Iron, valve seat are moved, is set with coil on valve body, valve body is mounted on valve seat, is provided with pretension elastic component between valve body and dynamic iron, is moved
Iron lifting moving, valve seat can be equipped with the feed pathway of perforation on pretension elastic component axial direction, and the outer rim of valve seat is equipped with
Liquid outlet channel, liquid outlet channel are equipped with liquid outlet on the side wall of valve seat, move iron and are equipped with valve ball, valve ball is closed in feed pathway
Outlet, coil connect the controller of exportable pwm signal.
2. according to claim 1 for going out formula solenoid valve into side under line control brake system, characterized in that on valve seat also
It is connected with the second valve body, the second dynamic iron is provided on the second valve body and valve seat, is provided between the second dynamic iron and the second valve body pre-
Tight elastic component, the second dynamic iron end are equipped with valve ball, and feed pathway valve ball position of corresponding second dynamic iron bottom on valve seat is equipped with
Corresponding feed liquor branch pipe is set with coil on the second valve body, and coil connects the controller of exportable electric current.
3. according to claim 1 for going out formula solenoid valve into side under line control brake system, characterized in that valve body and the
Antifreeze plate is equipped between two valve bodies.
4. according to claim 3 a kind of for going out formula solenoid valve into side under line control brake system, characterized in that dynamic iron
Surface be equipped with several axial oil grooves.
5. according to claim 1 a kind of for going out formula solenoid valve into side under line control brake system, characterized in that go out liquid
Passage proximate is equipped with hydrostatic sensor, and hydrostatic sensor is electrically connected controller.
6. according to claim 1 to a kind of for going out formula solenoid valve into side under line control brake system described in 5 any one,
It is characterized in, feed pathway penetrates through valve seat, and feed pathway is equipped with the oil sealing for preventing oil liquid from leaking out from feed pathway close to bottom position
Ball, feed pathway is small compared with other section close to top section diameter, and feed pathway is equipped with the up big and down small conical surface at the top of valve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821980077.XU CN209467122U (en) | 2018-11-28 | 2018-11-28 | It is a kind of for going out formula solenoid valve into side under line control brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821980077.XU CN209467122U (en) | 2018-11-28 | 2018-11-28 | It is a kind of for going out formula solenoid valve into side under line control brake system |
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| Publication Number | Publication Date |
|---|---|
| CN209467122U true CN209467122U (en) | 2019-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821980077.XU Active CN209467122U (en) | 2018-11-28 | 2018-11-28 | It is a kind of for going out formula solenoid valve into side under line control brake system |
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| CN (1) | CN209467122U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109927699A (en) * | 2018-11-28 | 2019-06-25 | 万向钱潮股份有限公司 | It is a kind of for going out formula solenoid valve and its control method into side under line control brake system |
-
2018
- 2018-11-28 CN CN201821980077.XU patent/CN209467122U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109927699A (en) * | 2018-11-28 | 2019-06-25 | 万向钱潮股份有限公司 | It is a kind of for going out formula solenoid valve and its control method into side under line control brake system |
| CN109927699B (en) * | 2018-11-28 | 2020-06-26 | 万向钱潮股份有限公司 | Lower-inlet side-outlet type electromagnetic valve for brake-by-wire system and control method thereof |
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