CN213479137U - Hydraulic oil supply system and vehicle with same - Google Patents
Hydraulic oil supply system and vehicle with same Download PDFInfo
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- CN213479137U CN213479137U CN202021884775.7U CN202021884775U CN213479137U CN 213479137 U CN213479137 U CN 213479137U CN 202021884775 U CN202021884775 U CN 202021884775U CN 213479137 U CN213479137 U CN 213479137U
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Abstract
The utility model discloses a hydraulic pressure oil feeding system and vehicle that has it, hydraulic pressure oil feeding system includes: a hydraulic source; the pressure oil circuit is suitable for being connected with the clutch and used for controlling the coupling of the clutch; the cooling and lubricating oil way is suitable for being connected with the generator, the driving motor and the clutch and is used for cooling and lubricating the generator, the driving motor and the clutch; the mechanical oil pump is respectively connected with the hydraulic source, the pressure oil path and the cooling lubricating oil path and is used for pumping oil of the hydraulic source to the pressure oil path and the cooling lubricating oil path; and the electric oil pump is respectively connected with the hydraulic source and the cooling and lubricating oil way and is used for pumping oil of the hydraulic source to the cooling and lubricating oil way. According to the utility model discloses hydraulic pressure oil feeding system can reduce the requirement to the electric oil pump, has energy consumption and advantage such as with low costs.
Description
Technical Field
The utility model belongs to the technical field of the vehicle technique and specifically relates to a hydraulic pressure oil feeding system and vehicle that has it are related to.
Background
The hydraulic oil supply system in the related technology comprises a mechanical oil pump, an electric oil pump, a pressure control slide valve, a temperature control reversing valve, a radiator, a flow control valve and a controller, wherein the pressure control slide valve, the temperature control reversing valve and the flow control valve are connected in series, a pressure oil path is connected with an oil outlet of the mechanical oil pump and an oil outlet of the electric oil pump, and a cooling lubricating oil path is connected between the pressure control slide valve and the flow control valve. According to the hydraulic oil supply system, the electric oil pump needs to assist in supplementing oil to the pressure oil path, the pressure of the pressure oil path is high, so that the requirement on the electric oil pump is high, the model selection power of the electric oil pump needs to be high, and the energy consumption and the cost are high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a hydraulic control oil piping system, this hydraulic control system can reduce the requirement to the electric oil pump, has advantages such as energy consumption and with low costs.
The utility model also provides a vehicle of having above-mentioned hydraulic pressure oil feeding system.
To achieve the above object, according to an embodiment of the first aspect of the present invention, a hydraulic oil supply system is provided, which is characterized by comprising: a hydraulic source; the pressure oil circuit is suitable for being connected with the clutch and used for controlling the coupling of the clutch; the cooling and lubricating oil way is suitable for being connected with the generator, the driving motor and the clutch and is used for cooling and lubricating the generator, the driving motor and the clutch; the mechanical oil pump is respectively connected with the hydraulic source, the pressure oil path and the cooling lubricating oil path and is used for pumping oil of the hydraulic source to the pressure oil path and the cooling lubricating oil path; and the electric oil pump is respectively connected with the hydraulic source and the cooling and lubricating oil way and is used for pumping oil of the hydraulic source to the cooling and lubricating oil way.
According to the utility model discloses hydraulic pressure oil feeding system can reduce the requirement to the electric oil pump, has energy consumption and advantage such as with low costs.
According to some embodiments of the utility model, the hydraulic pressure source includes: an oil tank; and the suction filter is connected with the oil tank, and an inlet of the mechanical oil pump and an inlet of the electric oil pump are connected with the suction filter.
Further, hydraulic pressure oil feeding system still includes: the first check valve is connected with the mechanical oil pump in parallel, an inlet of the first check valve is connected between the suction filter and an inlet of the mechanical oil pump, and an outlet of the first check valve is connected at an outlet of the mechanical oil pump. And the safety valve is connected to the pressure oil path and is positioned at the outlet of the mechanical oil pump.
According to the utility model discloses a some embodiments, hydraulic pressure oil feeding system still includes: the inlet of the control slide valve is connected with the outlet of the mechanical oil pump through a pressure oil way, and the outlet of the control slide valve is connected with a cooling lubricating oil way; and the first electromagnetic valve is respectively connected with the pressure oil path and the control slide valve and is used for adjusting the overflow pressure of the control slide valve.
Further, the first electromagnetic valve is a normally open electromagnetic valve.
According to the utility model discloses a some embodiments, hydraulic pressure oil feeding system still includes: the second electromagnetic valve is connected to the pressure oil path, is positioned between the mechanical oil pump and the clutch and is used for controlling the coupling of the clutch; the energy accumulator is connected to the pressure oil path and is positioned between the second electromagnetic valve and the clutch; and the pressure sensor is connected to the pressure oil circuit and is positioned between the energy accumulator and the clutch.
According to the utility model discloses a some embodiments, hydraulic pressure oil feeding system still includes: and the second one-way valve is connected to the cooling and lubricating oil way and is positioned at an outlet of the electric oil pump.
According to some embodiments of the present invention, the cooling and lubrication oil path has a merging section, a generator cooling and lubrication section, a driving motor cooling and lubrication section, and a clutch cooling and lubrication section; the oil pumped by the mechanical oil pump and the oil pumped by the electric oil pump are converged at the converging section; the generator cooling and lubricating section, the driving motor cooling and lubricating section and the clutch cooling and lubricating section are connected with the converging section and are connected in parallel with each other, the generator cooling and lubricating section is suitable for being connected with the generator, the driving motor cooling and lubricating section is suitable for being connected with the driving motor, and the clutch cooling and lubricating section is suitable for being connected with the clutch.
Furthermore, the cooling and lubricating oil path is also provided with a bearing cooling and lubricating section, the bearing cooling and lubricating section is connected with the converging section and is connected with the generator cooling and lubricating section, the driving motor cooling and lubricating section and the clutch cooling and lubricating section in parallel, and the bearing cooling and lubricating section is suitable for being connected with the bearing and is used for lubricating the bearing.
According to the utility model discloses a some embodiments, hydraulic pressure oil feeding system still includes: and the flow control valve is connected to the generator cooling and lubricating section.
According to the utility model discloses a some embodiments, hydraulic pressure oil feeding system still includes: and the inlet of the overflow slide valve is connected to the confluence section, and the outlet of the overflow slide valve is connected to the inlet of the electric oil pump.
According to the utility model discloses a some embodiments, hydraulic pressure oil feeding system still includes: the radiator is connected to the confluence section, and an inlet of the radiator is connected with an inlet of the overflow slide valve; the inlet of the temperature control reversing valve is connected between the inlet of the overflow slide valve and the inlet of the radiator, and the outlet of the temperature control reversing valve is connected at the outlet of the radiator.
Further, hydraulic pressure oil feeding system still includes: the pressure filter is connected to the confluence section, and the inlet of the pressure filter is connected with the outlet of the radiator; and the third one-way valve is connected with the pressure filter in parallel, the inlet of the third one-way valve is connected between the outlet of the radiator and the inlet of the pressure filter, and the outlet of the third one-way valve is connected at the outlet of the pressure filter.
According to the utility model discloses an embodiment of second aspect provides a vehicle, includes: a wheel; a clutch; the internal combustion engine drives wheels through a clutch; the generator is connected with the internal combustion engine and driven by the internal combustion engine; the driving motor is respectively connected with the generator and the wheels, and the driving motor is powered by the generator to drive the wheels; and according to the hydraulic oil supply system of an embodiment of the first aspect of the present invention, the mechanical oil pump is driven by a wheel.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic illustration of power transmission of a vehicle according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a hydraulic oil supply system according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a hydraulic oil supply system according to another embodiment of the present invention.
Reference numerals:
a hydraulic oil supply system 1,
A hydraulic source 100, an oil tank 110, a suction filter 120, a pressure oil path 200,
A cooling and lubricating oil path 300, a merging section 310, a generator cooling and lubricating section 320, a driving motor cooling and lubricating section 330,
A clutch cooling and lubricating section 340, a bearing cooling and lubricating section 350,
A mechanical oil pump 400, a first check valve 410, a relief valve 420, a pilot spool valve 430, a first solenoid valve 440, a,
A second solenoid valve 450, an accumulator 460,
An electric oil pump 500, a second check valve 510, a flow control valve 520, a spill spool valve 530,
A pressure sensor 600, another pressure sensor 601,
A radiator 700, a temperature control reversing valve 710,
A filter press 800, a third one-way valve 810,
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that "the first feature" and "the second feature" may include one or more of the features.
In the description of the present invention, "a plurality" means two or more, and "a plurality" means one or more.
A vehicle according to an embodiment of the present invention is described below with reference to the drawings.
As shown in fig. 1, a vehicle according to an embodiment of the present invention includes a wheel 10, a clutch 20, an internal combustion engine 30, a generator 40, a driving motor 50, and a hydraulic oil supply system 1.
A hydraulic oil supply system 1 according to an embodiment of the present invention will be described first with reference to the accompanying drawings.
As shown in fig. 1 to 3, a hydraulic oil supply system 1 according to an embodiment of the present invention includes a hydraulic pressure source 100, a pressure oil path 200, a cooling lubrication oil path 300, a mechanical oil pump 400, and an electric oil pump 500. In fig. 2 and 3, the broken line indicates the pressure oil passage 200, and the broken line indicates the cooling/lubricating oil passage 300.
The pressure oil path 200 is adapted to be connected to the clutch 20 for controlling the coupling of the clutch 20. The cooling and lubricating oil path 300 is adapted to be connected to the generator 40, the driving motor 50, and the clutch 20 for cooling and lubricating the generator 40, the driving motor 50, and the clutch 20. The mechanical oil pump 400 is connected to the hydraulic pressure source 100, the pressure oil passage 200, and the cooling oil passage 300, respectively, and is configured to pump the oil from the hydraulic pressure source 100 to the pressure oil passage 200 and the cooling oil passage 300. The electric oil pump 500, the electric oil pump 500 is respectively connected with the hydraulic source 100 and the cooling and lubricating oil path 300, and is used for pumping the oil liquid of the hydraulic source 100 to the cooling and lubricating oil path 300.
In the vehicle according to the embodiment of the present invention, the internal combustion engine 30 drives the wheels 10 through the clutch 20. The generator 40 is connected to the internal combustion engine 30 and is driven by the internal combustion engine 30. The driving motor 50 is connected to the generator 40 and the wheel 10, respectively, and the driving motor 50 is supplied with power from the generator 40 to drive the wheel 10. The mechanical oil pump 400 is driven by the wheel 10. For example, the driving motor 50 drives the wheels 10 through the differential 60, and the wheels 10 drive the mechanical oil pump 400 through the differential 60.
The power transmission process of the vehicle is as follows: the internal combustion engine 30 operates to drive the generator 40 to supply power to the driving motor 50, the driving motor 50 transmits power to the wheels 10, and the rotation of the wheels 10 provides power for the mechanical oil pump 400.
According to the utility model discloses hydraulic pressure oil feeding system 1, hydraulic pressure source 100 all links to each other with mechanical oil pump 400 and electric oil pump 500, wherein, pressure oil circuit 200 is high-pressure oil circuit, and cooling lubrication oil circuit 300 is the low pressure oil circuit, and the high low pressure here is relatively speaking, and pressure oil circuit 200 is higher than the pressure of cooling lubrication oil circuit 300 promptly, and wherein, pressure oil circuit 200 is used for controlling clutch 20 coupling, and cooling lubrication oil circuit 300 is used for cooling and lubricating generator 40, driving motor 50 and clutch 20. The mechanical oil pump 400 pumps the oil sucked from the hydraulic pressure source 100 to the pressure oil path 200 and the cooling lubrication oil path 300. The electric oil pump 500 pumps the oil sucked by the hydraulic pressure source 100 to the cooling and lubricating oil passage 300.
Therefore, the mechanical oil pump 400 is used for supplying oil to the pressure oil path 200 and the cooling and lubricating oil path 300, the electric oil pump 500 is used for supplying oil to the cooling and lubricating oil path 300, oil distribution of the pressure oil path 200 and the cooling and lubricating oil path 300 can be reasonably controlled, and the electric oil pump 500 is only used for supplying oil to the cooling and lubricating oil path 300, namely the electric oil pump 500 does not need to supply oil to the cooling and lubricating oil path 300, so that the requirement on the electric oil pump 500 can be reduced, the reasonable flow of cooling and lubricating oil can be provided according to the change of the driving mode of the hybrid vehicle by selecting the electric oil pump 500 with lower power, and energy consumption and cost are effectively reduced.
Therefore, according to the utility model discloses hydraulic pressure oil feeding system 1 can reduce the requirement to electric oil pump 500, has advantages such as energy consumption and with low costs.
In some embodiments of the present invention, as shown in fig. 2, the hydraulic pressure source 100 includes an oil tank 110 and a suction filter 120.
The suction filter 120 is connected to the oil tank 110, and an inlet of the mechanical oil pump 400 and an inlet of the electric oil pump 500 are connected to the suction filter 120. The oil in the oil tank 110 is filtered by the suction filter 120 and then introduced into the mechanical oil pump 400 and the electric oil pump 500, so that the cleanliness of the oil is improved.
Further, as shown in fig. 2, the hydraulic oil supply system 1 further includes a first check valve 410 and a relief valve 420. The first check valve 410 is connected in parallel with the mechanical oil pump 400, an inlet of the first check valve 410 is connected between the suction filter 120 and an inlet of the mechanical oil pump 400, and an outlet of the first check valve 410 is connected to an outlet of the mechanical oil pump 400. The relief valve 420 is connected to the pressure oil passage 200 and is located at an outlet of the mechanical oil pump 400.
The first check valve 410 can prevent the suction filter 120 from being damaged by the reverse rotation of the mechanical oil pump 400 by being connected in parallel to the mechanical oil pump 400. The relief valve 420 can ensure the maximum pressure of the hydraulic oil supply system 1, preventing damage to the hydraulic system and the speed change device.
In some embodiments of the present invention, as shown in fig. 2, the hydraulic oil supply system 1 further includes a control spool 430 and a first solenoid valve 440. An inlet of the pilot spool 430 is connected to an outlet of the mechanical oil pump 400 through a pressure oil passage 200, and an outlet of the pilot spool 430 is connected to a cooling lubrication oil passage 300. The first solenoid valve 440 is connected to the pressure oil path 200 and the pilot spool 430, respectively, for adjusting the relief pressure of the pilot spool 430.
Specifically, the oil output from the mechanical oil pump 400 is current-regulated by the first solenoid valve 440 to control the relief pressure of the spool valve 430. It will be appreciated that as the current to the first solenoid valve 440 increases, the cracking pressure of the first solenoid valve 440 increases and the relief pressure of the control spool valve 430 increases. And then the pressure of the oil in the pressure oil path 200 is effectively controlled, so that the oil in the pressure oil path 200 can be converged with the cooling and lubricating oil path 300, and the oil in the cooling and lubricating oil path 300 is not conveyed to the pressure oil path 200.
In another embodiment of the present invention, as shown in fig. 3, the first solenoid valve 440 is a normally open solenoid valve. In this way, the first solenoid valve 440 can be always communicated with the pressure oil path 200, so as to form a normal-high pressure mode, and even if the first solenoid valve 440 fails and cannot act, the mechanical oil pump 400 can still pump oil for the clutch 20, so as to establish high pressure, thereby ensuring that the clutch 20 can be normally coupled.
In some embodiments of the present invention, as shown in fig. 2, the hydraulic oil supply system 1 further includes a second solenoid valve 450, an accumulator 460, and a pressure sensor 600.
The second solenoid valve 450 is connected to the pressure oil path 200 and located between the mechanical oil pump 400 and the clutch 20, for controlling the coupling of the clutch 20. The accumulator 460 is connected to the pressure oil path 200 and is located between the second solenoid valve 450 and the clutch 20. The pressure sensor 600 is connected to the pressure oil path 200 and is located between the accumulator 460 and the clutch 20.
Therefore, the second solenoid valve 450 can adjust the control pressure passing through the clutch 20, when the clutch 20 needs to be coupled, the second solenoid valve 450 outputs the target pressure to couple the clutch 20 by adjusting the current, the pressure sensor 600 and the accumulator 460 are arranged between the accumulator 460 and the clutch 20, the pressure of the clutch 20 can be ensured to be stable, and the accumulator 460 can absorb the pressure impact and the pulsation on the pressure oil path 200, so that the pressure of the oil conveyed on the pressure oil path 200 is more stable. In addition, a pressure sensor 601 may be disposed at the outlet of the mechanical oil pump 400 to monitor the pressure at the outlet of the mechanical oil pump 400 in real time.
In some embodiments of the present invention, as shown in fig. 2, the hydraulic oil supply system 1 further includes a second check valve 510, the second check valve 510 is connected to the cooling and lubricating oil path 300 and located at an outlet of the electric oil pump 500, and an outlet of the second check valve 510 is connected to an outlet of the control spool 430.
Through setting up second check valve 510, can realize the one-way circulation of fluid, avoid fluid reverse transport in cooling lubrication oil circuit 300. And the second check valve 510 may control the pressure of the cooling/lubricating oil passage 300, thereby controlling the oil pressure in the cooling/lubricating oil passage 300 and ensuring the oil supply amount of the cooling/lubricating oil passage 300.
In some embodiments of the present invention, as shown in fig. 2, the cooling/lubrication oil path 300 has a converging section 310, a generator cooling/lubrication section 320, a driving motor cooling/lubrication section 330, and a clutch cooling/lubrication section 340.
The oil pumped by the mechanical oil pump 400 and the oil pumped by the electric oil pump 500 are merged at the merging section 310. One end of the merging section 310 is connected to the outlet of the second check valve 510 and the outlet of the control spool 430, and the other end is connected to the generator cooling and lubricating section 320, the driving motor cooling and lubricating section 330, and the clutch cooling and lubricating section 340, whereby the oil pumped by the mechanical oil pump 400 and the oil pumped by the electric oil pump 500 are merged at the merging section 310, and the oil of the merging section 310 is pumped by both the mechanical oil pump 400 and the electric oil pump 500, which has greater oil supply efficiency.
The generator cooling and lubrication section 320, the drive motor cooling and lubrication section 330, and the clutch cooling and lubrication section 340 are connected to the merging section 310 and are connected in parallel with each other, and the generator cooling and lubrication section 320 is adapted to be connected to the generator 40 to provide cooling and lubrication for the generator 40. The drive motor cooling and lubrication section 330 is adapted to be coupled to the drive motor 50 to provide cooling and lubrication to the drive motor 50. The clutch cooling and lubrication section 340 is adapted to be coupled to the clutch 20 to provide cooling and lubrication to the clutch 20.
Further, as shown in fig. 2, the cooling and lubricating oil path 300 further has a bearing cooling and lubricating section 350, the bearing cooling and lubricating section 350 is connected to the merging section 310 and is connected in parallel to the generator cooling and lubricating section 320, the driving motor cooling and lubricating section 330 and the clutch cooling and lubricating section 340, and the bearing cooling and lubricating section 350 is adapted to be connected to a bearing for lubricating the bearing.
In some embodiments of the present invention, as shown in fig. 2, the hydraulic oil supply system 1 further includes a flow control valve 520.
The flow control valve 520 is connected to the generator cooling lubrication section 320. The flow control valve 520 can adjust the flow of the oil flowing to the generator 40 according to the vehicle operating condition, for example, when the vehicle needs to generate power, the flow control valve 520 can be opened to control sufficient oil to be delivered to the generator cooling and lubricating section 320, so as to cool and lubricate the generator 40. When the entire vehicle is not in the power generation mode, by closing the flow control valve 520, the oil is no longer supplied to the generator 40, and more oil can be supplied to the driving motor cooling and lubricating section 330, the clutch cooling and lubricating section 340, and the bearing cooling and lubricating section 350. Therefore, the overall cooling and lubricating efficiency of the hydraulic oil supply system 1 can be improved, and the energy consumption is reduced.
In some embodiments of the present invention, as shown in fig. 2, the hydraulic oil supply system 1 further includes an overflow slide valve 530. An inlet of the overflow slide valve 530 is connected to the merging section 310, and an outlet of the overflow slide valve 530 is connected to an inlet of the electric oil pump 500.
The maximum pressure of the cooling and lubricating oil path 300 can be effectively controlled by connecting the overflow slide valve 530 to the merging section 310, and when the pressure is high, the overflow slide valve 530 controls the oil to flow back to the electric oil pump 500, so that the pressure of the cooling and lubricating oil path 300 is reduced, and the parts in the cooling and lubricating oil path 300 are prevented from being damaged.
In some embodiments of the present invention, as shown in fig. 2, the hydraulic oil supply system 1 further includes a radiator 700 and a temperature-controlled direction valve 710.
The radiator 700 cools the oil of the hydraulic source 100, so that the oil of the generator cooling and lubricating section 320, the driving motor cooling and lubricating section 330, the clutch cooling and lubricating section 340 and the bearing cooling and lubricating section 350 has a sufficiently low temperature for cooling.
The thermostatic dehydrator 710 can control the amount of oil passing through the radiator 700, so that the oil for lubricating and cooling the generator 40, the driving motor 50, the clutch 20, and the bearing is maintained at an oil temperature that is guaranteed to be in a most efficient region
Further, as shown in fig. 2, the hydraulic oil supply system 1 further includes a filter press 800 and a third check valve 810.
A pressure filter 800 is connected to the merging section 310, and an inlet of the pressure filter 800 is connected to an outlet of the radiator 700. A third check valve 810 is connected in parallel with the pressure filter 800, an inlet of the third check valve 810 is connected between an outlet of the radiator 700 and an inlet of the pressure filter 800, and an outlet of the third check valve 810 is connected to an outlet of the pressure filter 800.
The filter press 800 carries out the filter-pressing to the fluid that joins section 310, promotes the fluid purity to guarantee the effect of cooling and lubrication. And the third check valve 810 is provided in parallel with the filter press 800, the third check valve 810 can control the pressure of the oil passing through the filter press 800, preventing the filter press 800 from being damaged.
Other configurations and operations of the hydraulic oil supply system 1 and the vehicle having the same according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.
In the description herein, references to the description of the terms "particular embodiment," "particular example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (14)
1. A hydraulic oil supply system, comprising:
a hydraulic source;
the pressure oil circuit is suitable for being connected with the clutch and used for controlling the coupling of the clutch;
the cooling and lubricating oil way is suitable for being connected with the generator, the driving motor and the clutch and is used for cooling and lubricating the generator, the driving motor and the clutch;
the mechanical oil pump is respectively connected with the hydraulic source, the pressure oil path and the cooling lubricating oil path and is used for pumping oil of the hydraulic source to the pressure oil path and the cooling lubricating oil path;
and the electric oil pump is respectively connected with the hydraulic source and the cooling and lubricating oil way and is used for pumping oil of the hydraulic source to the cooling and lubricating oil way.
2. The hydraulic oil supply system according to claim 1, wherein the hydraulic pressure source includes:
an oil tank;
and the suction filter is connected with the oil tank, and an inlet of the mechanical oil pump and an inlet of the electric oil pump are connected with the suction filter.
3. The hydraulic oil supply system according to claim 2, further comprising:
the first one-way valve is connected with the mechanical oil pump in parallel, an inlet of the first one-way valve is connected between the suction filter and an inlet of the mechanical oil pump, and an outlet of the first one-way valve is connected with an outlet of the mechanical oil pump;
and the safety valve is connected to the pressure oil path and is positioned at the outlet of the mechanical oil pump.
4. The hydraulic oil supply system according to claim 1, further comprising:
the inlet of the control slide valve is connected with the outlet of the mechanical oil pump through a pressure oil way, and the outlet of the control slide valve is connected with a cooling lubricating oil way;
and the first electromagnetic valve is respectively connected with the pressure oil path and the control slide valve and is used for adjusting the overflow pressure of the control slide valve.
5. The hydraulic oil supply system according to claim 4, wherein the first solenoid valve is a normally open solenoid valve.
6. The hydraulic oil supply system according to claim 1, further comprising:
the second electromagnetic valve is connected to the pressure oil path, is positioned between the mechanical oil pump and the clutch and is used for controlling the coupling of the clutch;
the energy accumulator is connected to the pressure oil path and is positioned between the second electromagnetic valve and the clutch;
and the pressure sensor is connected to the pressure oil circuit and is positioned between the energy accumulator and the clutch.
7. The hydraulic oil supply system according to claim 1, further comprising:
and the second one-way valve is connected to the cooling and lubricating oil way and is positioned at an outlet of the electric oil pump.
8. The hydraulic oil supply system according to any one of claims 1 to 7, wherein the cooling and lubricating oil passage has a merging section, a generator cooling and lubricating section, a drive motor cooling and lubricating section, and a clutch cooling and lubricating section;
the oil pumped by the mechanical oil pump and the oil pumped by the electric oil pump are converged at the converging section;
the generator cooling and lubricating section, the driving motor cooling and lubricating section and the clutch cooling and lubricating section are connected with the converging section and are connected in parallel with each other, the generator cooling and lubricating section is suitable for being connected with the generator, the driving motor cooling and lubricating section is suitable for being connected with the driving motor, and the clutch cooling and lubricating section is suitable for being connected with the clutch.
9. The hydraulic oil supply system of claim 8, wherein the cooling and lubrication circuit further has a bearing cooling and lubrication section connected to the merging section and connected in parallel to the generator cooling and lubrication section, the drive motor cooling and lubrication section, and the clutch cooling and lubrication section, the bearing cooling and lubrication section being adapted to be connected to a bearing for lubricating the bearing.
10. The hydraulic oil supply system according to claim 8, further comprising:
and the flow control valve is connected to the generator cooling and lubricating section.
11. The hydraulic oil supply system according to claim 8, further comprising:
and the inlet of the overflow slide valve is connected to the confluence section, and the outlet of the overflow slide valve is connected to the inlet of the electric oil pump.
12. The hydraulic oil supply system according to claim 11, further comprising:
the radiator is connected to the confluence section, and an inlet of the radiator is connected with an inlet of the overflow slide valve;
the inlet of the temperature control reversing valve is connected between the inlet of the overflow slide valve and the inlet of the radiator, and the outlet of the temperature control reversing valve is connected at the outlet of the radiator.
13. The hydraulic oil supply system according to claim 12, further comprising:
the pressure filter is connected to the confluence section, and the inlet of the pressure filter is connected with the outlet of the radiator;
and the third one-way valve is connected with the pressure filter in parallel, the inlet of the third one-way valve is connected between the outlet of the radiator and the inlet of the pressure filter, and the outlet of the third one-way valve is connected at the outlet of the pressure filter.
14. A vehicle, characterized by comprising:
a wheel;
a clutch;
the internal combustion engine drives wheels through a clutch;
the generator is connected with the internal combustion engine and driven by the internal combustion engine;
the driving motor is respectively connected with the generator and the wheels, and the driving motor is powered by the generator to drive the wheels;
the hydraulic oil supply system according to any one of claims 1 to 13, wherein the mechanical oil pump is driven by a wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021884775.7U CN213479137U (en) | 2020-09-01 | 2020-09-01 | Hydraulic oil supply system and vehicle with same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021884775.7U CN213479137U (en) | 2020-09-01 | 2020-09-01 | Hydraulic oil supply system and vehicle with same |
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| CN213479137U true CN213479137U (en) | 2021-06-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023236207A1 (en) * | 2022-06-10 | 2023-12-14 | 烟台杰瑞石油装备技术有限公司 | Power system and fracturing apparatus |
-
2020
- 2020-09-01 CN CN202021884775.7U patent/CN213479137U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023236207A1 (en) * | 2022-06-10 | 2023-12-14 | 烟台杰瑞石油装备技术有限公司 | Power system and fracturing apparatus |
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