CN106351724B - Piston cooling nozzle control device, control method and the engine with the device - Google Patents
Piston cooling nozzle control device, control method and the engine with the device Download PDFInfo
- Publication number
- CN106351724B CN106351724B CN201610973692.7A CN201610973692A CN106351724B CN 106351724 B CN106351724 B CN 106351724B CN 201610973692 A CN201610973692 A CN 201610973692A CN 106351724 B CN106351724 B CN 106351724B
- Authority
- CN
- China
- Prior art keywords
- oil duct
- oil
- fuel
- displaced
- switching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/06—Arrangements for cooling pistons
- F01P3/08—Cooling of piston exterior only, e.g. by jets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
- F01P2007/146—Controlling of coolant flow the coolant being liquid using valves
Abstract
The present invention provides a kind of piston cooling nozzle control device, including bracket, pilot control valve and the switching solenoid valve being connected with bracket, switching oil duct is formed in bracket, fuel-displaced oil duct, oil return oil duct, oiler, oil outlet and oil return opening, oiler is connected with switching oil duct and fuel-displaced oil duct, oil outlet is set in fuel-displaced oil duct, fuel-displaced oil duct is divided into the first fuel-displaced oil duct close to oiler side and the second fuel-displaced oil duct far from oiler side, oil return opening is set in oil return oil duct, first fuel-displaced oil duct is connected with oiler, second fuel-displaced oil duct is connected by oil duct of transferring with oiler, spool is located in fuel-displaced oil duct, elastic component is connected with spool, and spool can be made to move to the direction close to oiler, spool is located at oil outlet, switching solenoid valve protrudes into switching oil duct, and second is set to go out by the open and close of valve Oil duct is connected by oil duct of transferring with oiler, or the second fuel-displaced oil duct is made to be connected by oil duct of transferring with oil return oil duct.
Description
Technical field
The present invention relates to technical field of engines, especially a kind of piston cooling nozzle control device, based on the device
Cooling nozzles control method and engine with the piston cooling nozzle control device.
Background technique
In the work of engine, piston absorbs a large amount of heat from combustion system, and piston overheats in order to prevent, needs
It installs piston cooling nozzle additional on the engine, cooling oil is sprayed to piston to reduce the temperature of piston by piston cooling nozzle.
In the prior art, it needs to control between piston cooling nozzle and piston by piston cooling nozzle control device
Connection and closing, the control mode of the piston cooling nozzle control device of engine is divided into mechanical and switching solenoid valve control
Formula, switching electromagnetic-valve control type piston cooling nozzle control device due to can according to the signal of ECU to piston cooling nozzle into
Row freely controls, therefore can meet the cooling of piston more accurately and require, in some cases (such as cold start-up, underload
In the case where) it can reduce the discharge capacity and power consumption of engine oil pump, but current switching electromagnetic type piston cooling nozzle control
Device processed is mainly direct control type, i.e., switching solenoid valve be set to piston cooling nozzle control device oil inlet and outlet it
Between, directly control connection with piston of the opening and closing of switching solenoid valve to control piston cooling nozzle.But direct control type piston
The control mode of cooling nozzles control device, which has, to be had disadvantages that, first, direct control type piston cooling nozzle control device pair
The metered flow needs of switching solenoid valve are very big, and flow will reach 5L/min, this volume that will lead to switching solenoid valve increases,
Higher cost, spatial arrangement are more difficult；Second, due in direct control type piston cooling nozzle control device, cooling oil
By after the valve body for solenoid valve of transferring, by oil outlet injection, in the valve body for solenoid valve of on piston, transferring, for cooling oil, there are one
Fixed throttling action (at least will cause the pressure loss of 50kPa), this leads to the cooling oil pressure reduction into piston, is difficult to make
The flow and flow velocity for the cooling oil that piston cooling nozzle control device ejects reach flow required for cooling piston and flow velocity,
It is easy to cause piston to cross cause thermal damage, in addition, in the prior art, in order to overcome piston cooling nozzle control device because of electromagnetism of transferring
The adverse effect that valve body generates the throttling action of cooling oil, needs to increase the discharge capacity and function of lubricating oil pump, this causes again
The oil consumption of engine increases, and is unfavorable for energy-saving and emission-reduction.
Summary of the invention
The purpose of the present invention is to provide a kind of piston cooling nozzle control device, the cooling nozzles based on the device control
Method and engine with the piston cooling nozzle control device, the piston cooling nozzle control device can reduce switching electricity
The volume of magnet valve reduces the layout difficulty of piston cooling nozzle control device, and switching solenoid valve is avoided to make the throttling of cooling oil
With cost is saved in reduction oil consumption.
The present invention provides a kind of piston cooling nozzle control device, including bracket, pilot control valve and with the bracket phase
Switching solenoid valve even is formed with switching oil duct, fuel-displaced oil duct, oil return oil duct, oiler, oil outlet and oil return in the bracket
Mouthful, in the internal stent, the oil outlet is set in the fuel-displaced oil duct, and the fuel-displaced oil duct is divided into close to described
The fuel-displaced oil duct of the first of oiler side and the second fuel-displaced oil duct of the separate oiler side, the interior installation of the fuel-displaced oil duct
There is the movable pilot control valve for opening and closing oil outlet；The oil return opening is set in the oil return oil duct；The oiler
Be respectively connected with the switching oil duct and the first fuel-displaced oil duct, and the second fuel-displaced oil duct by the switching oil duct and
The oiler and the oil return oil duct are connected, and are equipped in the switching oil duct for turning the second fuel-displaced oil duct by described
Connect the switching solenoid valve that oiler or the oil return oil duct are connected in oil duct conversion.
Further, the pilot control valve includes spool and elastic component, the spool be located in the fuel-displaced oil duct and
It can slide axially along fuel-displaced oil duct and close or open oil outlet, the elastic component is connected with the spool, and can make the spool
It is moved to the direction close to the oiler, when the elastic component does not suffer oppression, the spool is located at the oil outlet.
Further, the elastic component is spring, and one end of the spring is connected with the spool, the spring it is another
End is set to end of the described second fuel-displaced oil duct far from the oiler side.
Further, the piston cooling nozzle control device further includes intermediate oil duct, and the second fuel-displaced oil duct passes through
The intermediate oil duct is connected with the switching oil duct.
Further, the intermediate oil duct includes the first intermediate oil duct extended in a first direction and extends in a second direction
The second intermediate oil duct, the second fuel-displaced oil duct, the first intermediate oil duct, the second intermediate oil duct and the switching oil
Road is sequentially connected.
Further, the fuel-displaced oil duct, the first intermediate oil duct, the second intermediate oil duct, the oil return oil duct
End be equipped with sealing structure.
Further, the fuel-displaced oil duct is provided with Bowl Plug far from the end of the oiler side, in described first
Between the end of oil duct, the second intermediate oil duct and the oil return oil duct be provided with sealed steel ball.
Further, the switching solenoid valve includes switching solenoid valve body and connecting pipe, the switching solenoid valve sheet
Body is fixed on the bracket, and protrudes into the connecting pipe in the switching oil duct, the oiler, described second fuel-displaced
Oil duct and the oil return oil duct are connected to the connecting pipe.
Further, the end of the connecting pipe is formed with the first connector, opens up on the side wall of the connecting pipe
Have the second connector and third connector, first connector is connected to the oiler, second connector with it is described
Second fuel-displaced oil duct connection, the third connector are connected to the oil return oil duct.
Further, it is additionally provided with sealing ring on the lateral wall of the connecting pipe, when the company of the switching solenoid valve
When adapter tube road protrudes into the switching oil duct, the sealing ring is resisted against on the inner sidewall of the connecting pipe, and the sealing ring is extremely
It is less three, second connector and the third connector are respectively arranged between two sealing rings, when the connecting pipe
When protruding into the switching oil duct, the sealing ring can separate the oiler, described second from the outside of the connecting pipe
The connection of connector and the third connector.
The present invention provides a kind of control methods of piston cooling nozzle, are based on piston cooling nozzle control provided by the invention
Device processed, and step is closed including piston cooling nozzle opening steps and piston cooling nozzle, wherein
In piston cooling nozzle opening steps；
Make the described second fuel-displaced oil duct by the switching oil duct and oil return oil by controlling the switching solenoid valve
Road connection；
Cooling oil in the second fuel-displaced oil duct is by the switching oil duct and the oil return oil duct from the oil return opening
Outflow；At this point, the cooling oil of the oiler side pushes the pilot control valve to open the oil outlet, oiler side
Cooling oil；Oil enters piston cooling nozzle by the oil outlet and realizes opening out for piston cooling nozzle；
It is closed in step in piston cooling nozzle:
Make the described second fuel-displaced oil duct by the switching oil duct and the oiler by controlling the switching solenoid valve
Connection；
The cooling oil reaches the pilot control valve by the switching oil duct and the second fuel-displaced oil duct respectively
Side simultaneously pushes pilot control valve is mobile to close the oil outlet；
Cooling oil cannot enter the piston cooling nozzle by the oil outlet to realize the pass of piston cooling nozzle
It closes.
The present invention also provides a kind of engines, including piston cooling nozzle control device provided by the invention.
In conclusion passing through multiple oil ducts and pilot control in piston cooling nozzle control device provided by the invention
The setting of valve realizes opening for control piston cooling nozzle by the variation of switching solenoid valve control pilot control valve pressure at both sides
It opens and closes, so as to realize the control to piston cooling nozzle with the switching solenoid valve of smaller flow, reduce switching
The volume of solenoid valve reduces the layout difficulty of piston cooling nozzle control device, simultaneously as cooling oil will not pass through at this time
Switching solenoid valve, therefore switching solenoid valve is avoided to the throttling action of cooling oil, oil consumption is reduced, cost is saved.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects, features and advantages of the invention can
It is clearer and more comprehensible, it is special below to lift preferred embodiment, and cooperate attached drawing, detailed description are as follows.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of piston cooling nozzle control device provided in an embodiment of the present invention.
Fig. 2 is the structural schematic diagram of the another side of piston cooling nozzle control device in Fig. 1.
Fig. 3 is the decomposition texture schematic diagram of piston cooling nozzle control device in Fig. 1.
Fig. 4 is the cross section structure schematic diagram of decomposing state in Fig. 3.
Fig. 5 is in cross section structure schematic diagram when energized state for switching solenoid valve in Fig. 1.
Fig. 6 is in cross section structure schematic diagram when off-position for switching solenoid valve in Fig. 1.
Specific embodiment
It is of the invention to reach the technical means and efficacy that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Attached drawing and preferred embodiment, it is as follows that the present invention is described in detail.
The present invention provides a kind of piston cooling nozzle control device and starts with the piston cooling nozzle control device
Machine, the piston cooling nozzle control device can reduce the volume of switching solenoid valve, reduce piston cooling nozzle control device
Layout difficulty avoids switching solenoid valve to the throttling action of cooling oil, reduces oil consumption, saves cost.
Fig. 1 is the structural schematic diagram of piston cooling nozzle control device provided in an embodiment of the present invention, and Fig. 2 is living in Fig. 1
The structural schematic diagram of the another side of cooling nozzles control device is filled in, Fig. 3 is the decomposition knot of piston cooling nozzle control device in Fig. 1
Structure schematic diagram, Fig. 4 is the cross section structure schematic diagram of decomposing state in Fig. 3, as shown in Figures 1 to 4, provided in an embodiment of the present invention
Piston cooling nozzle control device includes bracket 10, pilot control valve 20 and the switching solenoid valve 30 being connected with bracket 10, bracket
Switching oil duct 11, fuel-displaced oil duct 12, oil return oil duct 13, oiler 14, oil outlet 15 and oil return opening 16 are formed in 10, in bracket
Inside 10, oil outlet 15 is set in fuel-displaced oil duct 12, and fuel-displaced oil duct 12 is divided for positioned at close to the of 14 side of oiler
One fuel-displaced oil duct 121 and the second fuel-displaced oil duct 122 for being located remotely from 14 side of oiler, being equipped in fuel-displaced oil duct 12 can live
The dynamic pilot control valve 20 for opening and closing oil outlet, oil return opening 16 are set in oil return oil duct 13, the first fuel-displaced oil duct 121 with
Oiler 14 is connected, and the second fuel-displaced oil duct 122 is connected by oil duct 11 of transferring with oiler 14, and the second fuel-displaced oil duct 122 passes through
Switching oil duct 11 is connected with oiler 15 and oil return oil duct 13, is equipped in switching oil duct 11 for making the second fuel-displaced oil duct
122 connect the switching solenoid valve 30 of oiler 15 or oil return oil duct 13 by the switching conversion of oil duct 11.
Further, pilot control valve 20 includes spool 21 and elastic component 22, and spool 21 is located in fuel-displaced oil duct 12, and can
Long axis direction along fuel-displaced oil duct 12 is slided to close or open oil outlet 15, and elastic component 22 is connected with spool 21, and can make valve
Core 21 is moved to the direction close to oiler 14, and when elastic component 22, which is in, does not suffer oppression state, spool 21 is located at oil outlet 15
Place separates the connection of oil outlet 15 and fuel-displaced oil duct 12 at this time.
Fig. 5 is in cross section structure schematic diagram when energized state for switching solenoid valve in Fig. 1, and Fig. 6 is electromagnetism of transferring in Fig. 1
Valve is in cross section structure schematic diagram when off-position, as shown in Figures 5 and 6 (arrow indicates cooling oil flow direction), is pacifying
When dress, bracket 10 is set on engine, and oiler 14 is connected with engine main oil gallery, oil outlet 15 and piston cooling nozzle
Horizontal oil duct is connected, and oil return opening 16 is connected with engine oil return road, when solenoid valve 30 of transferring is in energized state, can make second
Fuel-displaced oil duct 122 is connected to by oil duct 11 of transferring with oiler 14, and the second fuel-displaced oil duct 122 is not connected to oil return oil duct 13, this
When, cooling oil enters inside bracket 10 from oiler 14, fuel-displaced by first into cooling oil a part inside bracket 10
Oil duct 121 reaches spool 21 close to the side of oiler 14, and another part reaches the second fuel-displaced oil duct by switching oil duct 11
122, i.e. side of the spool 21 far from oiler 14, at this point, the oil pressure balance of 21 two sides of spool, therefore spool 21 can not move,
Spool 21 separates the connection of oil outlet 15 and fuel-displaced oil duct 12, i.e., piston cooling nozzle is closed at this time, and cooling oil cannot pass through work
Plug cooling nozzles are sprayed to piston.
When solenoid valve 30 of transferring is in off-position, the second fuel-displaced oil duct 122 passes through switching oil duct 11 and oil return oil duct
13 are connected, and disconnect between oiler 14 and switching oil duct 11, cooling oil enters inside bracket 10 from oiler 14, at this time
Pressure of the spool 21 close to 14 side of oiler is greater than pressure of the spool 21 far from 14 side of oiler, the second fuel-displaced oil duct 122
Interior cooling oil can flow into oil return opening 16 by switching oil duct 11 and oil return oil duct 13, and therefore, cooling oil can overcome elasticity
The elastic force of part 22 pushes spool 21 to move to far from 14 side of oiler, and spool 21 leaves oil outlet 15, oil outlet 15 with it is fuel-displaced
Oil duct 12 is connected to, and the cooling oil entered inside bracket 10 from oiler 14 can be entered by fuel-displaced oil duct 12 and oil outlet 15 lives
Cooling oil, is then ejected on piston, achievees the purpose that cooling piston by the horizontal oil duct for filling in cooling nozzles.
It is to be appreciated that switching solenoid valve 30 can also make the second fuel-displaced oil duct 122 pass through switching by off-position
Oil duct 11 is connected to oiler 14, and so that the second fuel-displaced oil duct 122 is passed through switching oil duct 11 and oil return oil duct by energized state
13 are connected, i.e., the connected state between the energized state and each oil duct of switching solenoid valve 30 does not have specific restriction, can basis
Actual conditions are arranged.
In piston cooling nozzle control device provided by the invention, pass through setting for multiple oil ducts and pilot control valve 20
It sets, the variation of 20 pressure at both sides of pilot control valve is controlled by switching solenoid valve 30 to realize the unlatching of control piston cooling nozzle
Reduce switching with closing so as to realize the control to piston cooling nozzle with the switching solenoid valve 30 of smaller flow
The volume of solenoid valve 30 reduces the layout difficulty of piston cooling nozzle control device, simultaneously as cooling oil will not flow again at this time
Through solenoid valve 30 of transferring, therefore switching solenoid valve 30 is avoided to the throttling action of cooling oil, reduce oil consumption, save into
This.
Further, elastic component 22 can be spring, and one end of spring is connected with spool 21, and the other end is set to second and goes out
End of the oil duct 122 far from oiler 14 can apply one to 14 side of oiler when the springs are compressed to spool 21
To elastic force.
Further, it for the ease of the processing of bracket 10, is additionally provided between the second fuel-displaced oil duct 122 and switching oil duct 11
The connectivity part of intermediate oil duct 17, i.e., intermediate oil duct 17 and fuel-displaced oil duct 12 is located in the second fuel-displaced oil duct 122, in the present embodiment
In, intermediate oil duct 17 includes the first intermediate oil duct 171 extended in a first direction and the second middle oil extended in a second direction
Road 172, the second fuel-displaced oil duct 122, the first intermediate oil duct 171, the second intermediate oil duct 172 and switching oil duct 11 are sequentially connected.For
The sealing of each oil duct of guarantee, fuel-displaced oil duct 12, the first intermediate oil duct 171, the second intermediate oil duct 172 and oil return oil duct 13 end
Portion is equipped with sealing structure 18, in the present embodiment, the end of 14 side of oiler is provided with bowl-type in fuel-displaced oil duct 12
Plug, above-mentioned spring are set in Bowl Plug far from one end of oiler 14.In the first intermediate oil duct 171, the second intermediate oil duct 172
And the end of oil return oil duct 13 is provided with sealed steel ball.It is to be appreciated that Bowl Plug and sealed steel ball are only to seal each oil duct
Preferred option can also be implemented to seal by sealed plunger or sealing bolt etc. to each oil duct.
As shown in 1 and Fig. 2, in the present embodiment, the fixation hole 19 for penetrating bracket 10 is additionally provided on bracket 10, first is solid
Determining bolt 41 can be fixed on bracket 10 on the side wall of engine by fixation hole.
As shown in Figures 3 to 6, in the present embodiment, switching solenoid valve 30 includes switching solenoid valve body 31 and connecting tube
Road 32, switching solenoid valve 30 is fixed on bracket 10 by the second fixing bolt 42, and connecting pipe 32 is made to protrude into switching oil duct
In 11, oiler 14, the second fuel-displaced oil duct 122 and oil return oil duct 13 are connected to connecting pipe 32.Specifically, connecting pipe 32
End be formed with the first connector 321, the first connector 321 is connected by oil duct 11 of transferring with oiler 14, connecting pipe
The second connector 322 and third connector 323 are offered on 32 side wall, when solenoid valve 30 of transferring is fixed on bracket 10,
Second fuel-displaced oil duct 122 is connected by the second connector 322 with connecting pipe 32, and oil return oil duct 13 passes through third connector 323
It is connected with connecting pipe 32.By the connected state for changing the second connector 322 and the first connector 321 and third connector 323
State, thus it is possible to vary the connected state of each oil duct.I.e. when the second connector 322 is connected to the first connector 321, the second fuel-displaced oil
Road 122 is connected by connecting pipe 32 with oiler 14, and when the second connector 322 is connected to third connector 323, second goes out
Oil duct 122 is connected by connecting pipe 32 with oil return oil duct 13.
In order to guarantee the sealing performance transferred between solenoid valve 30 and bracket 10, on the lateral wall of connecting pipe 32, also
It is provided with sealing ring 33, when the connecting pipe 32 for solenoid valve 30 of transferring protrudes into switching oil duct 11, sealing ring 33 is resisted against connection
On the inner sidewall of pipeline 32.Specifically, sealing ring 33 is at least three, and the second connector 322 and third connector 323 are set respectively
It is placed between two sealing rings 33, when connecting pipe 32 protrudes into switching oil duct 11, sealing ring 33 can be from connecting pipe 32
Lateral septal break the connection of hydraulic fluid port 14, the second connector 322 and third connector 323.
The present invention also provides a kind of control method of piston cooling nozzle, it is cold that this method is based on piston provided by the invention
But Jet control device, and step is closed including piston cooling nozzle opening steps and piston cooling nozzle, wherein
In piston cooling nozzle opening steps:
The second fuel-displaced oil duct 122 is connected to oil return oil duct 13 by switching oil duct 11 by control switching solenoid valve 30；
Cooling oil in second fuel-displaced oil duct 122 is flowed out by switching oil duct 11 and oil return oil duct 13 from oil return opening 16；This
When, the cooling oil promotion of 14 side of oiler arrives first control valve 20 and opens oil outlet 15, and the cooling oil of 14 side of oiler passes through
Oil outlet 15 enters piston cooling nozzle, to realize the opening of piston cooling nozzle；
It is closed in step in piston cooling nozzle:
The second fuel-displaced oil duct 122 is connected to oiler 14 by switching oil duct 11 by control switching solenoid valve 30；
Cooling oil reaches side and the promotion of pilot control valve 20 by switching oil duct 11 and the second fuel-displaced oil duct 122 respectively
Arrive first the mobile closing oil outlet 15 of control valve 20；
Cooling oil cannot enter piston cooling nozzle by oil outlet 15 to realize the closing of piston cooling nozzle.
In conclusion passing through multiple oil ducts and pilot control in piston cooling nozzle control device provided by the invention
The setting of valve 20 controls the variation of 20 pressure at both sides of pilot control valve by switching solenoid valve 30 to realize the cooling spray of control piston
The open and close of mouth subtract so as to realize the control to piston cooling nozzle with the switching solenoid valve 30 of smaller flow
The volume of switching solenoid valve 30 is lacked, the layout difficulty of piston cooling nozzle control device has been reduced, simultaneously as cooling oil at this time
Switching solenoid valve 30 will not be passed through, therefore avoids switching solenoid valve 30 to the throttling action of cooling oil, oil consumption is reduced, saves
Cost is saved.
The present invention also provides a kind of engines, have above-mentioned piston cooling nozzle control device, about the engine
Other technical characteristics, please refer to the prior art, details are not described herein.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
It is right according to the technical essence of the invention for the equivalent embodiment of equivalent variations, but without departing from the technical solutions of the present invention
Any simple modification, equivalent change and modification made by above embodiments, all of which are still within the scope of the technical scheme of the invention.
Claims (11)
1. a kind of piston cooling nozzle control device, it is characterised in that: be connected including bracket, pilot control valve and with the bracket
Switching solenoid valve, switching oil duct, fuel-displaced oil duct, oil return oil duct, oiler, oil outlet and oil return are formed in the bracket
Mouthful, in the internal stent, the oil outlet is set in the fuel-displaced oil duct, and the fuel-displaced oil duct is divided into close to described
The fuel-displaced oil duct of the first of oiler side and the second fuel-displaced oil duct of the separate oiler side, the interior installation of the fuel-displaced oil duct
There is the movable pilot control valve for opening and closing oil outlet；The oil return opening is set in the oil return oil duct；The oiler
Be respectively connected with the switching oil duct and the first fuel-displaced oil duct, and the second fuel-displaced oil duct by the switching oil duct and
The oiler and the oil return oil duct are connected, and are equipped in the switching oil duct for turning the second fuel-displaced oil duct by described
The switching solenoid valve that oiler or the oil return oil duct are connected in oil duct conversion is connect, the switching solenoid valve includes switching solenoid valve sheet
Body and connecting pipe, the switching solenoid valve body is fixed on the bracket, and the connecting pipe is made to protrude into the switching
In oil duct, the oiler, the second fuel-displaced oil duct and the oil return oil duct are connected to the connecting pipe.
2. piston cooling nozzle control device according to claim 1, it is characterised in that: the pilot control valve includes valve
Core and elastic component, the spool, which is located in the fuel-displaced oil duct and can slide axially along fuel-displaced oil duct, closes or opens oil outlet,
The elastic component is connected with the spool, and the spool can be made to move to the direction close to the oiler, when the elasticity
When part does not suffer oppression, the spool is located at the oil outlet.
3. piston cooling nozzle control device according to claim 2, it is characterised in that: the elastic component is spring, institute
The one end for stating spring is connected with the spool, and the other end of the spring is set to the described second fuel-displaced oil duct and enters oil far from described in
The end of mouth side.
4. piston cooling nozzle control device according to claim 1, it is characterised in that: the piston cooling nozzle control
Device further includes intermediate oil duct, and the second fuel-displaced oil duct is connected by the intermediate oil duct with the switching oil duct.
5. piston cooling nozzle control device according to claim 4, it is characterised in that: the intermediate oil duct includes along
The first intermediate oil duct that one direction extends and the second intermediate oil duct for extending in a second direction, it is the second fuel-displaced oil duct, described
First intermediate oil duct, the second intermediate oil duct and the switching oil duct are sequentially connected.
6. piston cooling nozzle control device according to claim 5, it is characterised in that: the fuel-displaced oil duct, described
One intermediate oil duct, the second intermediate oil duct, the oil return oil duct end be equipped with sealing structure.
7. piston cooling nozzle control device according to claim 6, it is characterised in that: the fuel-displaced oil duct is far from described
The end of oiler side is provided with Bowl Plug, the first intermediate oil duct, the second intermediate oil duct and the oil return oil duct
End be provided with sealed steel ball.
8. piston cooling nozzle control device according to claim 1, it is characterised in that: the end shape of the connecting pipe
At there is the first connector, the second connector and third connector, first connection are offered on the side wall of the connecting pipe
Mouthful be connected to the oiler, second connector is connected to the described second fuel-displaced oil duct, the third connector with it is described
Oil return oil duct connection.
9. piston cooling nozzle control device according to claim 8, it is characterised in that: in the outside of the connecting pipe
Sealing ring is additionally provided on wall, when the connecting pipe of the switching solenoid valve protrudes into the switching oil duct, the sealing ring is supported
It is against on the inner sidewall of the connecting pipe, the sealing ring is at least three, and second connector and the third connect
Mouth is respectively arranged between two sealing rings, and when the connecting pipe protrudes into the switching oil duct, the sealing ring can be from institute
The outside for stating connecting pipe separates the connection of the oiler, second connector and the third connector.
10. a kind of control method of piston cooling nozzle, it is characterised in that: this method is based in claim 1 to claim 9
Piston cooling nozzle control device described in any one, and closed including piston cooling nozzle opening steps and piston cooling nozzle
Step is closed, wherein
In piston cooling nozzle opening steps:
Connect the described second fuel-displaced oil duct by the switching oil duct and the oil return oil duct by controlling the switching solenoid valve
It is logical；Cooling oil in the second fuel-displaced oil duct is flowed out by the switching oil duct and the oil return oil duct from the oil return opening；
At this point, the cooling oil of the oiler side pushes the pilot control valve to open the oil outlet, the cooling of oiler side
Oil enters the opening that piston cooling nozzle realizes piston cooling nozzle by the oil outlet；
It is closed in step in piston cooling nozzle:
The described second fuel-displaced oil duct is connected to the oiler by the switching oil duct by controlling the switching solenoid valve；
The cooling oil reaches the side of the pilot control valve and pushes away by the switching oil duct and the second fuel-displaced oil duct respectively
Dynamic pilot control valve is mobile to close the oil outlet；Cooling oil cannot by the oil outlet enter the piston cooling nozzle from
And realize the closing of piston cooling nozzle.
11. a kind of engine, it is characterised in that: the engine includes that piston described in any one of claim 1 to 9 is cold
But Jet control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610973692.7A CN106351724B (en) | 2016-10-28 | 2016-10-28 | Piston cooling nozzle control device, control method and the engine with the device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610973692.7A CN106351724B (en) | 2016-10-28 | 2016-10-28 | Piston cooling nozzle control device, control method and the engine with the device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106351724A CN106351724A (en) | 2017-01-25 |
| CN106351724B true CN106351724B (en) | 2018-12-18 |
Family
ID=57864556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610973692.7A Active CN106351724B (en) | 2016-10-28 | 2016-10-28 | Piston cooling nozzle control device, control method and the engine with the device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106351724B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2893680A (en) * | 1955-01-10 | 1959-07-07 | Phillips Petroleum Co | Valve |
| US3452935A (en) * | 1964-05-23 | 1969-07-01 | Werner & Pfleiderer | Spraying device for cleaning workpieces |
| CN1386992A (en) * | 2002-05-24 | 2002-12-25 | 浙江大学 | Control valve of high-pressure pneumatic switch |
| CN203796644U (en) * | 2014-04-28 | 2014-08-27 | 潍坊大洋自动泊车设备有限公司 | Special hydraulic control valve for hydraulic stereoscopic parking equipment |
| CN205260114U (en) * | 2015-10-30 | 2016-05-25 | 绵阳富临精工机械股份有限公司 | Solenoid valve of control machine oil nozzle |
| CN206144654U (en) * | 2016-10-28 | 2017-05-03 | 广州汽车集团股份有限公司 | Piston cooling nozzle controlling means and have device's engine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003083020A (en) * | 2001-09-14 | 2003-03-19 | Toyota Industries Corp | Check valve of vehicle, engine furnished with the check valve, and fluid path opening and closing method of vehicle |
-
2016
- 2016-10-28 CN CN201610973692.7A patent/CN106351724B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2893680A (en) * | 1955-01-10 | 1959-07-07 | Phillips Petroleum Co | Valve |
| US3452935A (en) * | 1964-05-23 | 1969-07-01 | Werner & Pfleiderer | Spraying device for cleaning workpieces |
| CN1386992A (en) * | 2002-05-24 | 2002-12-25 | 浙江大学 | Control valve of high-pressure pneumatic switch |
| CN203796644U (en) * | 2014-04-28 | 2014-08-27 | 潍坊大洋自动泊车设备有限公司 | Special hydraulic control valve for hydraulic stereoscopic parking equipment |
| CN205260114U (en) * | 2015-10-30 | 2016-05-25 | 绵阳富临精工机械股份有限公司 | Solenoid valve of control machine oil nozzle |
| CN206144654U (en) * | 2016-10-28 | 2017-05-03 | 广州汽车集团股份有限公司 | Piston cooling nozzle controlling means and have device's engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106351724A (en) | 2017-01-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20120099035A (en) | Device for releasing, in a pulsed manner, an amount of fluid that can be stored in an accumulator housing | |
| CN104989690B (en) | Overload relief valve | |
| CN105927606B (en) | A kind of hydraulic pile system and its inserted valve | |
| CN105570517A (en) | Valve device | |
| CN103256393A (en) | Pressure-balanced type gas jet digital valve | |
| CN108253161A (en) | Expand switch valve | |
| CN110014955A (en) | First, second charging connector and charging gun, vehicle and charging system | |
| CN106351724B (en) | Piston cooling nozzle control device, control method and the engine with the device | |
| CN203500176U (en) | Constant-throttling adjustable buffering device of hydraulic cylinder | |
| CN105035065B (en) | A kind of throttling stepless voltage transformation trailer control valve | |
| CN105408587A (en) | Valve for a turbomachine | |
| CN206708463U (en) | Big flow pressure regulation two-way inserts check valve | |
| CN205504140U (en) | Pesticide is electromagnetism guide head for atomizer | |
| CN105774789B (en) | A kind of general integrated form lightweight ABS solenoid valves | |
| CN103470572A (en) | Hydraulic lock assembly and bidirectional hydraulic lock comprising same | |
| IT201600123932A1 (en) | APPARATUS AND METHOD FOR UNINSTALLING A FILTER OF A DIESEL OIL PUMPING GROUP TO AN INTERNAL COMBUSTION ENGINE | |
| CN206144654U (en) | Piston cooling nozzle controlling means and have device's engine | |
| CN109653858A (en) | For adjusting the valve of the cooling fluid stream cooling for piston | |
| CN109538561A (en) | A kind of guide proportion control formula switch valve | |
| CN205715927U (en) | The big flow solenoid valve of fluid-flywheel clutch | |
| CN204755452U (en) | Hydraulic means | |
| CN203516291U (en) | Hydraulic lock component and two-way hydraulic lock with hydraulic lock component | |
| IT201600123942A1 (en) | GROUP AND METHOD TO CLEAN A FILTER OF A DIESEL OIL PUMPING GROUP TO AN INTERNAL COMBUSTION ENGINE | |
| CN210687191U (en) | Exhaust valve driving mechanism and exhaust valve | |
| CN105793552B (en) | Solenoid valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |