CN216008666U - Engine piston cooling solenoid valve assembly - Google Patents
Engine piston cooling solenoid valve assembly Download PDFInfo
- Publication number
- CN216008666U CN216008666U CN202220152313.9U CN202220152313U CN216008666U CN 216008666 U CN216008666 U CN 216008666U CN 202220152313 U CN202220152313 U CN 202220152313U CN 216008666 U CN216008666 U CN 216008666U
- Authority
- CN
- China
- Prior art keywords
- piston cooling
- solenoid valve
- valve
- oil inlet
- cooling solenoid
- 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
Images
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
The utility model discloses an engine piston cooling solenoid valve assembly, which comprises a piston cooling solenoid valve, wherein the piston cooling solenoid valve is provided with an oil inlet and an oil outlet; the system also comprises a differential pressure sensor for monitoring whether the piston cooling electromagnetic valve is blocked or not; a first pressure sampling port of the differential pressure sensor is communicated with the oil inlet, and a second pressure sampling port of the differential pressure sensor is communicated with the oil outlet; the piston cooling electromagnetic valve and the differential pressure sensor are electrically connected with the control unit; the control unit is used for sending pulse current to the piston cooling electromagnetic valve when the piston cooling electromagnetic valve is blocked so as to eliminate the blocking. The utility model discloses can effectively avoid because of piston cooling solenoid valve jamming or card die, lead to the piston to obtain in time cooling and then make the impaired problem of engine.
Description
Technical Field
The utility model belongs to the technical field of the engine spare part, especially, relate to an engine piston cooling solenoid valve assembly.
Background
The piston cooling electromagnetic valve is an electric control part applied to an engine piston cooling oil path and is used for controlling the on-off of the engine piston cooling oil path and the quantity of piston cooling oil.
In recent years, with the increasing of engines, the output power of the engines is greatly improved, and the pistons of the engines need to be cooled along with the improvement of the output power of the engines, so that the pistons are easily cooled excessively by using engine oil, and particularly, the excessive cooling of the pistons can reduce the temperature in cylinders during the starting process and the low-power operation process of the engines, so that the combustion in the cylinders of the engines is not facilitated. In order to solve the above problems, piston cooling solenoid valves have been invented for reducing or shutting off piston cooling oil when the engine piston does not need to be cooled.
Because engine piston cooling uses engine lubrication machine oil, has certain impurity in the machine oil, and the oil volume of passing through of piston cooling solenoid valve is very big moreover, and impurity in the machine oil leads to piston cooling solenoid valve jamming easily, the inlet and outlet pressure differential increases, and in case piston cooling solenoid valve jamming or card is dead, the piston cooling oil volume has the phenomenon of reducing by a wide margin, can lead to the piston not to get in time cooling, and the engine has the scrapped possibility of drawing the jar.
SUMMERY OF THE UTILITY MODEL
It is not enough to aim at overcoming at least one department that exists among the above-mentioned prior art, the utility model provides an engine piston cooling solenoid valve assembly can effectively avoid because of piston cooling solenoid valve jamming or card die, lead to the piston not in time to cool off and then make the impaired problem of engine.
In order to solve the problems existing in the prior art, the embodiment of the utility model provides an engine piston cooling solenoid valve assembly, which comprises a piston cooling solenoid valve, wherein the piston cooling solenoid valve is provided with an oil inlet and an oil outlet; the piston cooling electromagnetic valve is characterized by also comprising a differential pressure sensor for monitoring whether the piston cooling electromagnetic valve is blocked or not; a first pressure sampling port of the differential pressure sensor is communicated with the oil inlet, and a second pressure sampling port of the differential pressure sensor is communicated with the oil outlet;
the piston cooling electromagnetic valve and the differential pressure sensor are electrically connected with a control unit; the control unit is used for sending pulse current to the piston cooling electromagnetic valve to eliminate clamping stagnation when the piston cooling electromagnetic valve is clamped.
Further, still include the filter screen, the filter screen set up in oil inlet, be used for the impurity filtering.
Furthermore, the diameter of the meshes of the filter screen is 500-1200 meshes.
The piston cooling electromagnetic valve is arranged on the mounting seat;
and an oil inlet channel communicated with the oil inlet and an oil outlet channel communicated with the oil outlet are arranged on the mounting seat.
Further, the differential pressure sensor is arranged in the accommodating cavity of the mounting seat;
the mounting seat is provided with a first sampling passage communicated with the first pressure sampling port and the oil inlet passage, and a second sampling passage communicated with the second pressure sampling port and the oil outlet passage.
Further, the piston cooling solenoid valve comprises a shell, a solenoid module electrically connected with the control unit is installed in the shell, a magnetic core body is installed in the solenoid module in a sliding mode, and a magnetic core shaft is installed on the magnetic core body;
the solenoid valve comprises a shell, a solenoid module, a magnetic core shaft and a magnetic core, wherein the shell is provided with a valve body, one end of the valve body extends into the solenoid module, and the other end of the valve body extends out of the shell;
the valve comprises a valve body, an oil inlet, an oil outlet, an elastic reset piece, a valve core and an elastic reset piece, wherein the oil inlet is formed in one end, extending out of the shell, of the valve body, the oil outlet is formed in the side face of the valve body, and the elastic reset piece is arranged between the valve core and the end, provided with the oil inlet, of the valve body.
Further, the one end of casing is equipped with annular installation department, the annular installation department is installed on the mount pad, just the valve body stretches into in the mount pad.
Further, an annular sealing ring is arranged between the valve body and the mounting seat.
Further, the control unit is electrically connected with an engine ECU; alternatively, the control unit is an engine ECU.
Since the technical scheme is used, the utility model discloses the beneficial effect who gains as follows:
the utility model discloses an engine piston cooling solenoid valve assembly, including the piston cooling solenoid valve, the piston cooling solenoid valve has oil inlet and oil-out; the system also comprises a differential pressure sensor for monitoring whether the piston cooling electromagnetic valve is blocked or not; a first pressure sampling port of the differential pressure sensor is communicated with the oil inlet, and a second pressure sampling port of the differential pressure sensor is communicated with the oil outlet; the piston cooling electromagnetic valve and the differential pressure sensor are electrically connected with the control unit; the control unit is used for sending pulse current to the piston cooling electromagnetic valve when the piston cooling electromagnetic valve is blocked so as to eliminate the blocking.
The utility model discloses utilize pressure differential sensor real-time supervision piston cooling solenoid valve to enter and exit differential pressure promptly and monitor whether the jamming appears to use the control unit to gather pressure differential sensor and piston cooling solenoid valve's signal simultaneously and be convenient for carry out the fault early warning judgement, after the control unit sent the opening command for piston cooling solenoid valve, pressure differential sensor's differential pressure still was in when piston cooling solenoid valve closed state differential pressure (be greater than the setting value, the setting value is the pressure differential value when piston cooling solenoid valve open state), explain piston cooling solenoid valve appears the jamming, case card is in certain state; at the moment, the control unit sends pulse current to the piston cooling electromagnetic valve, the piston cooling electromagnetic valve executes a clamping stagnation removing program of adding 24V voltage for 1 second and not adding voltage for 1 second, namely, the valve core in the piston cooling electromagnetic valve is subjected to periodic impact force through periodic voltage adding/voltage not adding, and the valve core generates vibration under the action of the impact force which does not exist for 1 second in the 1 second, so that impurities causing clamping stagnation fall off; until the pressure difference sensor detects that the pressure difference of the inlet and the outlet of the piston cooling solenoid valve is equal to a set value, the clamping stagnation is removed. The engine can be effectively prevented from being damaged.
To sum up, the utility model discloses can effectively avoid because of piston cooling solenoid valve jamming or card die, lead to the piston not in time to cool off and then make the impaired problem of engine.
Drawings
FIG. 1 is a sectional view of the engine piston cooling solenoid valve assembly of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
in the figure: 1-a piston cooling electromagnetic valve, 11-a shell, 111-an annular mounting part, 12-a solenoid module, 13-a magnetic core body, 14-a magnetic core shaft, 15-a valve body, 16-a valve core, 17-an oil inlet, 18-an oil outlet, 19-an elastic reset piece, 2-a differential pressure sensor, 3-a filter screen, 4-a mounting seat, 41-an oil inlet channel, 42-an oil outlet channel, 43-a first sampling channel, 44-a second sampling channel and 5-an annular sealing ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1, the engine piston cooling solenoid valve assembly disclosed in the present embodiment includes a piston cooling solenoid valve 1, where the piston cooling solenoid valve 1 has an oil inlet 17 and an oil outlet 18; the device also comprises a differential pressure sensor 2 for monitoring whether the piston cooling electromagnetic valve 1 is blocked or not; a first pressure sampling port of the differential pressure sensor 2 is communicated with the oil inlet 17, and a second pressure sampling port is communicated with the oil outlet 18; the piston cooling electromagnetic valve 1 and the differential pressure sensor 2 are electrically connected with the control unit; the control unit is used for sending pulse current to the piston cooling electromagnetic valve 1 to eliminate clamping stagnation when the piston cooling electromagnetic valve 1 is clamped.
Wherein the control unit is an engine ECU. In still other embodiments, the control unit is electrically connected to the engine ECU for data sharing.
In this embodiment, the piston cooling solenoid valve 1 includes a housing 11, a solenoid module 12 (including a coil, a frame, a pin, a guide sleeve, etc., which are the same as the existing structure and are not described herein) electrically connected to an engine ECU is installed in the housing 11, a magnetic core 13 is installed in the solenoid module 12 in a sliding manner, and a magnetic core shaft 14 is installed on the magnetic core 13; a valve body 15 with one end extending into the solenoid module 12 and the other end extending out of the housing 11 is arranged on the housing 11, a valve core 16 is arranged in the valve body 15 in a sliding way, and a magnetic core shaft 14 passes through a mounting through hole on the valve body 15 and is abutted against the valve core 16; an oil inlet 17 is arranged at the end part of the valve body 15 extending out of the housing 11, an oil outlet 18 is arranged at the side surface of the valve body 15 extending out of the housing 11, and an elastic reset piece 19 (preferably a cylindrical spring) is arranged between the valve core 16 and the end of the valve body 15 provided with the oil inlet 17. The engine ECU sends a signal to control the magnetic core body 13 to move in the solenoid module 12, so that a correlation is established between the solenoid module 12 and the valve core 16, the valve core 16 moves at different positions to control the opening degree of the oil outlet 18, and the flow control purpose is achieved, and when the valve core 16 completely blocks the oil outlet 18, the cooling is completely closed.
In this embodiment, the engine piston cooling solenoid valve assembly further includes a mounting seat 4, and the piston cooling solenoid valve 1 is arranged on the mounting seat 4; the mounting seat 4 is provided with an oil inlet channel 41 communicated with the oil inlet 17 and an oil outlet channel 42 communicated with the oil outlet 18. The differential pressure sensor 2 is arranged in the accommodating cavity of the mounting seat 4; the mounting seat 4 is provided with a first sampling passage 43 communicated with the first pressure sampling port and the oil inlet passage 41, and a second sampling passage 44 communicated with the second pressure sampling port and the oil outlet passage 42.
Wherein, the one end of casing 11 is equipped with annular installation department 111, and annular installation department 111 installs the tip at mount pad 4, and in valve body 15 stretched into the cavity of mount pad 4, cavity and oil feed passageway 41 integrated into one piece, in order to ensure the leakproofness of installation between valve body 15 and the mount pad 4, this embodiment has set up ring packing 5 between valve body 15 and mount pad 4.
In order to further prevent the occurrence of the clamping stagnation phenomenon, the structure is further optimized in the embodiment, and as shown in fig. 2, the filter screen 3 is arranged at the oil inlet 17 and used for filtering impurities in the cooling oil. Preferably, the diameter of the mesh of the filter screen 3 is 500-1200 meshes.
The utility model discloses at first utilize filter screen 3 to filter cooling machine oil, then utilize pressure differential sensor 2 real-time supervision piston cooling solenoid valve 1 to import and export pressure differential promptly and monitor whether the jamming appears, and use engine ECU to gather pressure differential sensor 2 and piston cooling solenoid valve 1's signal simultaneously and be convenient for carry out the fault early warning judgement, after engine ECU sends out opening command for piston cooling solenoid valve 1, when the pressure differential that pressure differential sensor 2 monitored still is in the pressure differential when piston cooling solenoid valve 1 closed state (be greater than the setting value, the setting value is the pressure differential value when piston cooling solenoid valve 1 opened state), explain piston cooling solenoid valve 1 appears the jamming, case 16 card has a certain state; at the moment, the engine ECU sends pulse current to the piston cooling electromagnetic valve 1, and the piston cooling electromagnetic valve 1 executes a clamping stagnation removing program of adding 24V preset voltage for 1 second and not adding voltage for 1 second; that is, the valve element 16 is subjected to a periodic impact force (from the magnetic core body 13 and the magnetic core shaft 14) by applying/not applying a voltage periodically, and the valve element 16 vibrates under the impact force which does not exist for 1 second in the presence of the 1 second, so that the impurities causing the jamming fall off (flow into the oil and are finally captured by the oil filter); until the differential pressure sensor 2 detects that the pressure difference of the inlet and the outlet of the piston cooling electromagnetic valve 1 is equal to a set value, and the clamping stagnation is removed; the engine can be effectively prevented from being damaged.
To sum up, the utility model discloses can effectively avoid because of piston cooling solenoid valve jamming or card die, lead to the piston not in time to cool off and then make the impaired problem of engine.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. An engine piston cooling solenoid valve assembly comprises a piston cooling solenoid valve, wherein the piston cooling solenoid valve is provided with an oil inlet and an oil outlet; the device is characterized by also comprising a differential pressure sensor for monitoring whether the piston cooling electromagnetic valve is blocked or not; a first pressure sampling port of the differential pressure sensor is communicated with the oil inlet, and a second pressure sampling port of the differential pressure sensor is communicated with the oil outlet;
the piston cooling electromagnetic valve and the differential pressure sensor are electrically connected with a control unit; the control unit is used for sending pulse current to the piston cooling electromagnetic valve to eliminate clamping stagnation when the piston cooling electromagnetic valve is clamped.
2. The engine piston cooling solenoid valve assembly of claim 1, further comprising a filter screen disposed at the oil inlet for filtering impurities.
3. The engine piston cooling solenoid valve assembly of claim 2, wherein the mesh diameter of said filter screen is 500-1200 mesh.
4. The engine piston cooling solenoid valve assembly of claim 1 further comprising a mounting seat, said piston cooling solenoid valve disposed on said mounting seat;
and an oil inlet channel communicated with the oil inlet and an oil outlet channel communicated with the oil outlet are arranged on the mounting seat.
5. The engine piston cooling solenoid valve assembly of claim 4 wherein said differential pressure sensor is disposed within a receiving cavity of said mounting block;
the mounting seat is provided with a first sampling passage communicated with the first pressure sampling port and the oil inlet passage, and a second sampling passage communicated with the second pressure sampling port and the oil outlet passage.
6. The engine piston cooling solenoid valve assembly of claim 4, wherein said piston cooling solenoid valve comprises a housing, a solenoid module electrically connected to said control unit is installed in said housing, a magnetic core is installed in said solenoid module, and a magnetic core shaft is installed on said magnetic core;
the solenoid valve comprises a shell, a solenoid module, a magnetic core shaft and a magnetic core, wherein the shell is provided with a valve body, one end of the valve body extends into the solenoid module, and the other end of the valve body extends out of the shell;
the valve comprises a valve body, an oil inlet, an oil outlet, an elastic reset piece, a valve core and an elastic reset piece, wherein the oil inlet is formed in one end, extending out of the shell, of the valve body, the oil outlet is formed in the side face of the valve body, and the elastic reset piece is arranged between the valve core and the end, provided with the oil inlet, of the valve body.
7. The engine piston cooling solenoid valve assembly of claim 6 wherein said housing has an annular mounting portion at one end, said annular mounting portion being mounted to said mounting seat and said valve body extending into said mounting seat.
8. The engine piston cooling solenoid valve assembly of claim 7 wherein an annular sealing ring is disposed between said valve body and said mounting seat.
9. The engine piston cooling solenoid valve assembly of claim 1 wherein said control unit is electrically connected to an engine ECU; alternatively, the control unit is an engine ECU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220152313.9U CN216008666U (en) | 2022-01-20 | 2022-01-20 | Engine piston cooling solenoid valve assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220152313.9U CN216008666U (en) | 2022-01-20 | 2022-01-20 | Engine piston cooling solenoid valve assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216008666U true CN216008666U (en) | 2022-03-11 |
Family
ID=80525660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220152313.9U Active CN216008666U (en) | 2022-01-20 | 2022-01-20 | Engine piston cooling solenoid valve assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216008666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118881796A (en) * | 2024-09-26 | 2024-11-01 | 南通锟达金属制品有限公司 | An engine solenoid valve with cooling function |
-
2022
- 2022-01-20 CN CN202220152313.9U patent/CN216008666U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118881796A (en) * | 2024-09-26 | 2024-11-01 | 南通锟达金属制品有限公司 | An engine solenoid valve with cooling function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216008666U (en) | Engine piston cooling solenoid valve assembly | |
| EP2060777A1 (en) | Internal lower fuel injector filter | |
| CN114233461A (en) | Engine piston cooling control method | |
| US5115786A (en) | Fuel injection control system | |
| CN107120528A (en) | A new type of high-pressure gas storage integrated cylinder valve | |
| CN211175582U (en) | Electromagnetic actuator with filtering device | |
| JP2922367B2 (en) | Sealed air system for internal combustion engine | |
| DE102005007781A1 (en) | Method for rapid build-up of system pressure in air cooling circuit of internal combustion engine involves opening connection between pressure side of pressure generator and another pressure connection so that compressed air flows to tank | |
| CN217951342U (en) | Enhanced ignition control one-way valve | |
| CN113803184B (en) | Method for detecting whether pressure limiting valve is clamped at closed position | |
| CN100587251C (en) | Depressurizing valve and fuel injection device | |
| CN210858859U (en) | Oil drain plug of oil pan | |
| CN201057068Y (en) | Engine oil pump pressure regulating device | |
| CN215806676U (en) | PCJ solenoid valve | |
| CN213510984U (en) | Double-filter-element oil filter with water drainage function | |
| CN2651446Y (en) | Non-pressure hydraulic fuel oil rapid blocking apparatus | |
| CN111894776B (en) | Fuel injector | |
| CN218644558U (en) | Current-limiting voltage-stabilizing electromagnetic valve | |
| CN218882314U (en) | Engine oil pressure stabilizer | |
| CN212563375U (en) | Engine oil filter | |
| CN219344797U (en) | Pressure regulating valve for engine oil filter | |
| CN216009565U (en) | Quick response aviation fuel solenoid valve | |
| CN219866396U (en) | Valve assembly and engine | |
| CN214946462U (en) | L-shaped water filling valve | |
| CN219139182U (en) | Filter of automobile cooling pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |