CN201437736U - Supercharger delay lubrication and protection device - Google Patents
Supercharger delay lubrication and protection device Download PDFInfo
- Publication number
- CN201437736U CN201437736U CN2009201411886U CN200920141188U CN201437736U CN 201437736 U CN201437736 U CN 201437736U CN 2009201411886 U CN2009201411886 U CN 2009201411886U CN 200920141188 U CN200920141188 U CN 200920141188U CN 201437736 U CN201437736 U CN 201437736U
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- oil
- pressurized machine
- oil cylinder
- air cavity
- protection device
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Abstract
The utility model discloses a supercharger delay lubrication and protection device which is connected in the oil way from an engine to a supercharger in parallel, and comprises an oil cylinder with an oil storage cavity, an oil inlet of the oil cylinder is communicated with a main oil way of the engine and an oil outlet of the oil cylinder is communicated with the supercharger. A check valve is arranged between the oil inlet of the oil cylinder and the main oil way of the engine. An air cavity is also arranged in the oil cylinder, and the air cavity is separated from the oil storage cavity through a piston; the air cavity is connected with a compressed air source through an electromagnetic valve, the electromagnetic valve is connected with an ECU for receiving the control signal from the ECU, when the electromagnetic valve is not electrified, the air cavity is communicated with atmosphere, and when the electromagnetic valve is electrified, the air cavity is communicated with the compressed air source. A regulating valve can be arranged between the electromagnetic valve and the compressed air source. The supercharger delay lubrication and protection device can effectively avoid the situation that the whole engine stops through operating in idle speed for a while, and can effectively prevent the damage to the supercharger caused by sudden shutdown of the engine due to uncertain factors.
Description
Technical field
The utility model relates to a kind of protective gear, and particularly a kind of pressurized machine postpones the lubrication protection device.
Background technique
Pressurized machine because of its to improving engine power, reduce fuel consumption rate, improving the effect of discharging aspect, be widely used in the motor.Turbosupercharger since when work pressurized machine be connected with outlet pipe; and turbosupercharger when proper functioning rotating speed up to tens0000 rev/mins; therefore must guarantee that the friction pair of pressurized machine obtains good lubrication; simultaneously with the fluxion strap of the inner a large amount of heats of pressurized machine by lubricant oil from pressurized machine, thereby play a protective role.Traditional lubricated and type of cooling: the certain machine oil and the engine oil pressure that provide by oil pump, the pressurized machine of motor is lubricated, simultaneously heat is taken back to oil sump, play lubricated and cooling action.Usually during the motor orderly closedown,, the delivery temperature of motor is reduced by the mode of idling 3-5min; rotating speed with pressurized machine reduces simultaneously; in the idling process, engine oil is discharged pressurized machine place more heat transfer, by complete machine idling mode pressurized machine is protected.Traditional pressurized machine lubricating system can't continue it is lubricated protection behind engine stoping operation.There is following shortcoming:
1, orderly closedown, the engine idle time is long, particularly needs frequent stop and start engine whole vehicle Economy that bigger influence is arranged to Economy;
2, because uncertain factor causes motor to be shut down suddenly; then can't continue to provide machine oil to be lubricated protection to pressurized machine this moment; the a large amount of heats that accumulate in pressurized machine friction vice division chief can't in time leave; and behind the engine shutdown; because inertia; the impeller of pressurized machine still can may burn the pressurized machine friction pair not having to continue rotation a period of time under the machine oil situation.Have a strong impact on the reliability of motor, reduce the working life of pressurized machine and even complete machine;
3, can't guarantee the requirement that frequent stop and start motor is effectively protected pressurized machine.
The model utility content
The utility model is in order to overcome defective in the above-mentioned prior art; the pressurized machine that is connected in parallel in the oil circuit by increase postpones the lubrication protection device; can effectively avoid complete machine could shut down, and can effectively prevent the infringement that motor causes pressurized machine because of uncertain factor shutdown suddenly by idle a period of time.
Pressurized machine of the present utility model postpones the lubrication protection device, is connected in parallel on motor to the oil circuit of pressurized machine; Comprise the oil cylinder that is provided with the storage oil pocket, the oil cylinder filler opening is communicated with the motor main oil gallery, and the oil cylinder oil outlet is communicated with pressurized machine.
Wherein, between oil cylinder filler opening and motor main oil gallery, establish one-way valve.
Wherein, also be provided with air cavity in oil cylinder, air cavity is separated by by piston with the storage oil pocket; Air cavity links to each other with source of compressed air by solenoid valve, and solenoid valve is connected with ECU, receives the control signal from ECU, and during the solenoid valve dead electricity, air cavity communicates with atmosphere, and during the solenoid valve energising, air cavity communicates with source of compressed air.Can establish pressure regulator valve between solenoid valve and the source of compressed air.
Compared with prior art, the utility model has increased pressurized machine and has postponed the lubrication protection device, can bring following beneficial effect:
1, can effectively prevent the infringement that motor causes motor shutdown suddenly that pressurized machine is caused because of uncertain factor.
2, in the mixed power car load, motor need frequently switch power, and this device can guarantee that complete machine can direct dead halt guarantees pressurized machine to be shielded when switching power fast at car load by idle a period of time shutdown.
3, can carry out fuel feeding with a stable flow velocity to pressurized machine in longer a period of time after shutdown lubricates.
Description of drawings
Fig. 1 is that the utility model pressurized machine postpones the connection diagram of lubrication protection device in engine oil path;
Fig. 2 is that the utility model pressurized machine postpones lubrication protection apparatus structure schematic diagram;
Fig. 3 is that the utility model pressurized machine delay lubrication protection device is specifically implemented connection diagram.
Mark the following drawings mark thereon in conjunction with the accompanying drawings:
The 1-motor, the 2-pressurized machine, the 3-oil pipe, the 4-pressurized machine postpones the lubrication protection device, the 5-one-way valve, the 41-oil cylinder, the 42-solenoid valve, the 43-pressure regulator valve, 411-stores oil pocket, 412-air cavity, 413-piston, 414-oil cylinder filler opening, 415-oil cylinder oil outlet.
Embodiment
Below in conjunction with accompanying drawing, an embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model is not subjected to the restriction of embodiment.
As shown in Figure 1 to Figure 3, pressurized machine delay lubrication protection device 4 of the present utility model is connected in parallel on motor 1 to the oil circuit of pressurized machine 2.This protective gear comprises oil cylinder 41, is provided with storage oil pocket 411 and air cavity 412 in the oil cylinder 41, and air cavity is separated by by piston 413 with the storage oil pocket.Friction between this piston and the cylinder body is less.Oil cylinder filler opening 414 is communicated with the motor main oil gallery by one-way valve, and oil cylinder oil outlet 415 is communicated with pressurized machine 2.Air cavity 412 links to each other with source of compressed air by solenoid valve 42, and solenoid valve 42 is connected with ECU (being electronic control unit), receives the control signal from ECU.When the solenoid valve dead electricity disconnected, air cavity 412 communicated with atmosphere, and during the solenoid valve energising, air cavity 412 communicates with source of compressed air.For the pressure of constant compression air, between solenoid valve and source of compressed air, establish pressure regulator valve 43.
The working principle that the utility model pressurized machine postpones the lubrication protection device is as follows:
1, the oil-filled process of oil cylinder: solenoid valve 42 is under the off state condition, and pressurized air and air cavity 412 disconnect, and air cavity communicates with atmosphere.When motor 1 is in normal operation, have certain pressure in the motor main oil gallery, the lubricant oil in the main oil gallery enters into storage oil pocket 411 by one-way valve 5, and oil cylinder oil outlet 415 is connected to pressurized machine 2.Because there is bigger oil resistance in the pressurized machine place, lubricant oil promotes piston 413 than friction is arranged to the air cavity side shifting with cylinder body, reaches the purpose of filling, storing lubricant oil.
2, oil cylinder oil extraction process: after ECU receives the engine shutdown signal; 42 energisings of ECU control electromagnetic valve; to offer the air cavity 412 of oil cylinder through the constant compression air after the pressure regulation; compressed air cell and atmosphere disconnect simultaneously; promote piston by pressurized air; the lubricant oil of storage is discharged to outside the oil pocket; and one-way valve 5 is arranged in storage oil pocket 411 oil-feeds one side; selectively one-way flow is to pressurized machine 2 for lubricant oil, and lubricant oil offers pressurized machine with stable flow velocity pressurized machine is lubricated under stable compressed-air actuated effect.
Pressurized machine postpones the lubrication protection device and adopts oil cylinder Placement in parallel: pressurized machine is postponed a lubrication protection device and an oil inlet pipe composition parallel-connection structure (as shown in Figure 1).When motor 1 proper functioning, motor main oil gallery machine oil has certain engine oil pressure, by one-way valve 5 of series connection on the oil pipe 3 of drawing, be used to control lubricated have can only be toward pressurized machine one side flow.Lubricant oil is by behind the one-way valve; form two oil circuit Placements: an oil circuit directly carries out fuel feeding to pressurized machine by pipeline, and another oil circuit is connected to pressurized machine delay lubrication protection device oil cylinder is carried out fuel feeding, behind the fuel feeding certain hour; container is full of lubricant oil, rises and holds functional oil.Treat engine shutdown; the electronic control unit of motor (ECU) obtains the engine shutdown signal and opens pressurized machine delay lubrication protection device solenoid valve immediately; under the compressed air pressure effect, the lubricant oil in the oil cylinder is offered pressurized machine; make pressurized machine after shutdown, be lubricated oil to pressurized machine in the long period and supply with, to reach protection pressurized machine purpose.
The purpose of dual circuit is start just after shutting down; this moment, pressurized machine need lubricate; also need simultaneously pressurized machine is postponed lubrication protection device fuel feeding, oil-filled for avoiding only oil cylinder being carried out, and being set, two oil circuits assurance oil cylinders can be lubricated pressurized machine oil-filled the time.
More than disclosed only be a specific embodiment of the present utility model, still, the utility model is not limited thereto, any those skilled in the art can think variation all should fall into protection domain of the present utility model.
Claims (4)
1. a pressurized machine postpones the lubrication protection device, it is characterized in that described device is connected in parallel on motor to the oil circuit of pressurized machine; Comprise the oil cylinder that is provided with the storage oil pocket, the oil cylinder filler opening is communicated with the motor main oil gallery, and the oil cylinder oil outlet is communicated with pressurized machine.
2. pressurized machine according to claim 1 postpones the lubrication protection device, it is characterized in that, establishes one-way valve between described oil cylinder filler opening and the motor main oil gallery.
3. pressurized machine according to claim 1 and 2 postpones the lubrication protection device, it is characterized in that, also is provided with air cavity in the described oil cylinder, and air cavity is separated by by piston with the storage oil pocket; Air cavity links to each other with source of compressed air by solenoid valve, and described solenoid valve is connected with ECU, receives the control signal from ECU, and during the solenoid valve dead electricity, described air cavity communicates with atmosphere, and during the solenoid valve energising, air cavity communicates with source of compressed air.
4. pressurized machine according to claim 3 postpones the lubrication protection device, it is characterized in that, establishes pressure regulator valve between described solenoid valve and the source of compressed air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201411886U CN201437736U (en) | 2009-08-05 | 2009-08-05 | Supercharger delay lubrication and protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201411886U CN201437736U (en) | 2009-08-05 | 2009-08-05 | Supercharger delay lubrication and protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201437736U true CN201437736U (en) | 2010-04-14 |
Family
ID=42399712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201411886U Expired - Lifetime CN201437736U (en) | 2009-08-05 | 2009-08-05 | Supercharger delay lubrication and protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201437736U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103147848A (en) * | 2013-03-15 | 2013-06-12 | 徐晟伟 | Improved delay oil supply device for turbocharger |
| CN107975396A (en) * | 2017-11-21 | 2018-05-01 | 潍柴动力股份有限公司 | A kind of engine lubrication assistant control method and device |
| CN108049932A (en) * | 2017-12-06 | 2018-05-18 | 吉林大学 | A kind of engine oil storage type starts lubricating arrangement |
| CN108488600A (en) * | 2018-02-28 | 2018-09-04 | 山东临工工程机械有限公司 | Loading machine centralized lubricating system |
| CN109372631A (en) * | 2018-12-13 | 2019-02-22 | 潍柴动力股份有限公司 | A kind of sequential pressurizing lubricating system and its control method |
| CN113236397A (en) * | 2021-04-28 | 2021-08-10 | 广西玉柴机器股份有限公司 | Engine-exhausted oil system |
-
2009
- 2009-08-05 CN CN2009201411886U patent/CN201437736U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103147848A (en) * | 2013-03-15 | 2013-06-12 | 徐晟伟 | Improved delay oil supply device for turbocharger |
| CN103147848B (en) * | 2013-03-15 | 2015-05-13 | 徐晟伟 | Improved delay oil supply device for turbocharger |
| CN107975396A (en) * | 2017-11-21 | 2018-05-01 | 潍柴动力股份有限公司 | A kind of engine lubrication assistant control method and device |
| CN107975396B (en) * | 2017-11-21 | 2020-03-10 | 潍柴动力股份有限公司 | Engine auxiliary lubrication control method and device |
| CN108049932A (en) * | 2017-12-06 | 2018-05-18 | 吉林大学 | A kind of engine oil storage type starts lubricating arrangement |
| CN108488600A (en) * | 2018-02-28 | 2018-09-04 | 山东临工工程机械有限公司 | Loading machine centralized lubricating system |
| CN108488600B (en) * | 2018-02-28 | 2024-03-12 | 山东临工工程机械有限公司 | Centralized lubrication system of loader |
| CN109372631A (en) * | 2018-12-13 | 2019-02-22 | 潍柴动力股份有限公司 | A kind of sequential pressurizing lubricating system and its control method |
| CN113236397A (en) * | 2021-04-28 | 2021-08-10 | 广西玉柴机器股份有限公司 | Engine-exhausted oil system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100414 |