CN109707581B - Engine semi-active suspension device with energy recovery function - Google Patents
Engine semi-active suspension device with energy recovery function Download PDFInfo
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- CN109707581B CN109707581B CN201910103512.3A CN201910103512A CN109707581B CN 109707581 B CN109707581 B CN 109707581B CN 201910103512 A CN201910103512 A CN 201910103512A CN 109707581 B CN109707581 B CN 109707581B
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- 239000000725 suspension Substances 0.000 title claims abstract description 25
- 238000011084 recovery Methods 0.000 title claims description 6
- 239000007788 liquid Substances 0.000 claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 238000010248 power generation Methods 0.000 claims abstract description 19
- 239000002184 metal Substances 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000033001 locomotion Effects 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004073 vulcanization Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
The invention discloses an engine semi-active suspension device with recoverable energy, which comprises a shell bracket, an upper liquid chamber, a lower liquid chamber, an inertia channel body, a connecting bolt for connecting an engine, a hydraulic amplifier, a transmission actuating mechanism for transmitting vibration energy of the connecting bolt into the hydraulic amplifier and forming transmission output force through hydraulic pressure in the hydraulic amplifier, a power generation mechanism for connecting with the transmission actuating mechanism to transmit power generation and a power storage mechanism for storing electric energy generated by the power generation mechanism, wherein the liquid in the upper liquid chamber and the liquid in the lower liquid chamber are mutually circulated through the inertia channel, and the hydraulic amplifier is fixed in the upper liquid chamber through an internal fixing frame in the shell bracket. The invention has simple structure, can recover energy and reduce energy consumption.
Description
Technical Field
The invention belongs to an engine semi-active suspension device, and particularly relates to an engine semi-active suspension device with energy recovery.
Background
The traditional hydraulic suspension is a passive hydraulic suspension, the rigidity and the damping of the hydraulic suspension are not adjustable, the riding comfort can be changed only in a certain range, the hydraulic suspension has no function of reducing energy consumption, and the hydraulic suspension has great limitation in practical application. The vibration of the vehicle can be reduced through adjusting damping and rigidity, noise brought by the vehicle is reduced, most of the existing semi-active suspension types are magnetorheological fluid type and variable flow channel type, but the energy generated by the vibration of an engine in the running process of the existing semi-active suspension is not well recycled, and energy loss is caused.
Disclosure of Invention
The invention aims to solve the technical problems existing in the prior art. Therefore, the invention provides an engine semi-active suspension device with energy recovery, and aims to recover energy generated by engine vibration.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a semi-initiative suspension device of engine that energy can be retrieved, includes shell support, goes up liquid room, liquid room down, inertia passageway body and the connecting bolt of connecting the engine, goes up liquid room and liquid in the liquid room down and circulate each other through the inertia passageway, the device still includes hydraulic amplifier, is used for in the vibration energy transmission of connecting bolt to hydraulic amplifier and forms the transmission actuating mechanism that drives the force of leading through the hydraulic pressure in the hydraulic amplifier and is used for being connected with transmission actuating mechanism in order to drive the power generation mechanism of electricity generation and the electricity storage mechanism that is used for storing the electric energy that power generation mechanism produced, hydraulic amplifier is fixed in the liquid room through the internal fixation frame in the shell support.
The transmission actuating mechanism comprises an upper push rod, a lower push rod and a guide structure for guiding the lower push rod to the power generation mechanism, wherein the top end of the upper push rod is connected with the connecting bolt, the bottom end of the lower push rod is connected with the power generation mechanism, and the connecting bolt drives the upper push rod to push liquid in the hydraulic amplifier to form hydraulic pressure so as to push the lower push rod to move along the guide structure.
The power generation mechanism comprises a generator and a gear transmission mechanism, and the transmission executing mechanism is connected with the generator through the gear transmission mechanism.
The gear transmission mechanism comprises a gear and a rack which are in meshed connection, the bottom end of the lower push rod is connected with the rack, and the gear is connected with the generator through a connecting shaft rod.
The rack is a double-sided straight rack, the number of the generators is two, the two generators are respectively positioned at two sides of the double-sided straight rack, and two gears meshed with the double-sided straight rack are respectively connected with the generators at the same side through connecting shafts.
The two micro generators are symmetrically arranged on two sides of the double-sided straight rack.
The electric storage mechanism comprises a wire, an AC/DC converter and a storage battery connected with the AC/DC converter, and the generator is connected with the AC/DC converter through the wire.
The upper liquid chamber is arranged between the rubber main spring and the decoupling film, the lower liquid chamber is arranged between the inertia passage body and the rubber bottom film, an air chamber is formed between the decoupling film and the inertia passage body, the air chamber is communicated with the outside atmosphere through a vent hole arranged on the inertia passage body, and the inertia passage is arranged on the outer side of the air chamber in a surrounding mode.
The device further comprises a solenoid valve for opening and closing the vent hole.
The upper end of the rubber main spring is connected with the mandrel in a vulcanization manner, the lower end of the rubber main spring is connected with the upper end of the shell support in a vulcanization manner, and the shell support is a metal support.
The invention has the beneficial effects that: the invention has simple structure, the engine vibration drives the straight rack to move through the connecting bolt and the corresponding transmission mechanism so as to drive the gear to rotate, and the generator is driven to generate electricity, thereby recovering energy and reducing energy consumption.
Drawings
The present specification includes the following drawings, the contents of which are respectively:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a double sided straight rack;
fig. 3 is a schematic view of the structure of the gear and engine connecting shaft.
Marked in the figure as:
1. the device comprises a connecting bolt, 2, a mandrel, 3, a rubber main spring, 4, a shell support, 5, a hydraulic amplifier, 6, a liquid feeding chamber, 7, a decoupling film, 8, a vent hole, 9, an electromagnetic valve, 10, an air chamber, 11, a bottom shell, 12, a rubber bottom film, 13, an inertia channel body, 14, an inertia channel, 15, a micro generator, 16, a gear, 17, a double-sided straight rack, 18, a lower push rod, 19, an upper push rod, 20, a liquid feeding chamber, 21, a wire, 22, a storage battery, 23, an AC/DC converter, 41 and an inner fixing frame.
Detailed Description
The following detailed description of the embodiments of the invention, given by way of example only, is presented in the accompanying drawings to aid in a more complete, accurate and thorough understanding of the concepts and aspects of the invention, and to aid in its practice, by those skilled in the art.
As shown in fig. 1 to 3, an energy-recoverable engine semi-active suspension device comprises a mandrel 2, a rubber main spring 3, a housing bracket 4, an upper liquid chamber 6, a decoupling film 7, a lower liquid chamber 20, a bottom shell 11, a rubber bottom film 12, an inertia passage body 13 and a connecting bolt 1 connected with an engine, wherein liquid in the upper liquid chamber 6 and the lower liquid chamber 7 mutually circulate through the inertia passage 14, the engine semi-active suspension device further comprises a hydraulic amplifier 5, a transmission actuating mechanism for transmitting vibration energy of the connecting bolt 1 into the hydraulic amplifier 5 and forming transmission guide force through hydraulic pressure in the hydraulic amplifier 5, a power generation mechanism connected with the transmission actuating mechanism for transmitting power generation and a power storage mechanism for storing electric energy generated by the power generation mechanism, and the hydraulic amplifier 5 is fixed in the upper liquid chamber 6 through an inner fixing frame 41 in the housing bracket 4.
The transmission actuating mechanism comprises an upper push rod 19, a lower push rod 18 and a guide structure for guiding the lower push rod 18 to the power generation mechanism, the top end of the upper push rod 19 is connected with the connecting bolt 1, the bottom end of the lower push rod 18 is connected with the power generation mechanism, and the connecting bolt 1 drives the upper push rod 19 to push liquid in the hydraulic amplifier 5 to form hydraulic pressure so as to push the lower push rod 18 to move along the guide structure. Specifically, the top end of the upper push rod and the connecting bolt can be fixedly connected, such as welded; the connection mode can also be detachable, such as clamping connection, plugging connection and the like, so as to facilitate the installation and the detachment. The bottom of the upper pushing rod is a pushing surface, the width of the pushing surface is the same as the width of the inner wall of the hydraulic amplifier, and the section of the upper pushing rod is of a T-shaped structure. The guide structure is the guide way, and the length extending direction of guide way is the same with the direction of motion of last push rod, and the last push rod of being convenient for promotes the interior liquid motion of hydraulic amplifier to the hydraulic pressure that forms promotes down the push rod and removes along the guide way, and the width of guide way is less than hydraulic amplifier's inner wall width, and the guide way preferably sets up at hydraulic amplifier's middle part, and the guide way is fixed through two PMKD, and lower push rod and last push rod coaxial setting are convenient for both under the hydraulic pressure effect transmission.
Preferably, the power generation mechanism includes a generator and a gear train, with the lower push rod 18 being connected to the generator through the gear train. The gear transmission mechanism comprises a gear 16 and a rack which are in meshed connection, the bottom end of a push rod 18 is connected with the rack 16, and the gear 16 is connected with the generator through a connecting shaft rod. The setting of this structure, the top of rack is connected with the bottom of push rod down, and when the push rod down moved, drive rack up-and-down motion, and then make with rack engagement's gear rotation, gear rotation is through connecting the axostylus axostyle transmission for the generator generates electricity. In order to facilitate collection and power generation, the racks are double-sided straight racks 17, the generators are micro generators 15, the number of the micro generators 15 is two, the two micro generators 15 are respectively positioned on two sides of the double-sided straight racks 17, and two gears 16 meshed with the double-sided straight racks 17 are respectively connected with the micro generators 15 on the same side through connecting shafts. Preferably, the two micro-generators are symmetrically arranged at two sides of the double-sided straight rack (the two micro-generators are symmetrically arranged at two sides of the double-sided straight rack 17 respectively about the center of the origin in the same plane of the two micro-generators), so that stable transmission is facilitated, and transmission power generation is better performed.
The power storage mechanism includes a wire 21, an AC/DC converter 23, and a battery 22 connected to the AC/DC converter 23, and the micro-generator is connected to the AC/DC converter 23 through the wire 21. Because the generator generates alternating current, the generated electric energy is output and then needs to be converted into direct current for storage, and the structure is provided with an AC/DC converter to meet the requirement.
In the above structure, the housing bracket 4 is preferably a metal bracket. The upper end of the rubber main spring 3 is connected with the mandrel 2 in a vulcanization way, and the lower end of the rubber main spring 3 is connected with the upper end of the shell bracket 4 in a vulcanization way. The upper liquid chamber 6 is arranged between the rubber main spring 3 and the decoupling film 7, the inner fixing frame in the upper liquid chamber only plays a role of fixing the hydraulic amplifier, the upper liquid chamber 6 between the rubber main spring 3 and the decoupling film 7 is in a communicating state, the lower liquid chamber 7 is arranged between the inertia passage body 13 and the rubber bottom film 12, the decoupling film 7 is circular and is arranged above the middle part of the inertia passage body 13, an air chamber 10 is formed between the decoupling film 7 and the inertia passage body 13, the air chamber 10 is communicated with the outside atmosphere through a vent hole 8 arranged on the inertia passage body 13, and the inertia passage is arranged outside the air chamber in a surrounding mode. The inertial channel body arranged in the device is provided with the inertial channel 14 surrounding the air chamber, and the upper liquid chamber 6 and the lower liquid chamber are communicated with each other through the inertial channel 14.
In order to facilitate the control of the opening and closing of the vent hole, the engine semi-active suspension device further comprises an electromagnetic valve 9 for opening and closing the vent hole. The electromagnetic valve 9 is connected with an electronic control unit of the engine, and the electronic control unit controls the opening and closing of the electromagnetic valve 9 according to the rotating speeds of the engine under different working conditions as input signals, and then the opening and closing of the vent hole 8 are controlled by the opening and closing of the electromagnetic valve 9.
When the vehicle is in a running state, the engine generates vibration, in the vibration process, as the liquid volume in the hydraulic amplifier 5 is unchanged, the connecting bolt 1 drives the upper push rod 19 in the hydraulic amplifier 5 to move up and down, in the upward and downward movement process of the upper push rod, under the action of hydraulic pressure formed in the hydraulic amplifier, the lower push rod moves up and down in the same direction with the upper push rod, meanwhile, the movement path of the lower push rod 18 is increased, the double-sided straight rack 17 connected with the lower end of the lower push rod 18 moves up and down and drives the two gears 16 meshed with the double-sided straight rack 17 to rotate, so that the micro generator 15 generates current, the current enters the AC/DC converter 23 through the lead 21, the AC/DC converter 23 converts the alternating current into direct current, and further, the storage battery stores the direct current, thereby realizing energy recovery and energy consumption reduction.
The invention is described above by way of example with reference to the accompanying drawings. It will be clear that the invention is not limited to the embodiments described above. As long as various insubstantial improvements are made using the method concepts and technical solutions of the present invention; or the invention is not improved, and the conception and the technical scheme are directly applied to other occasions and are all within the protection scope of the invention.
Claims (8)
1. The semi-active engine suspension device with the energy recovery function comprises a shell bracket, an upper liquid chamber, a lower liquid chamber, an inertia passage body, a connecting bolt for connecting an engine, wherein liquid in the upper liquid chamber and liquid in the lower liquid chamber are mutually circulated through the inertia passage;
the upper liquid chamber is arranged between the rubber main spring and the decoupling film, the lower liquid chamber is arranged between the inertia passage body and the rubber bottom film, an air chamber is formed between the decoupling film and the inertia passage body, the air chamber is communicated with the outside atmosphere through a vent hole arranged on the inertia passage body, and the inertia passage is arranged on the outer side of the air chamber in a surrounding manner; the device also comprises an electromagnetic valve for opening and closing the vent hole, the electromagnetic valve is connected with an electronic control unit of the engine, and the electronic control unit controls the opening and closing of the electromagnetic valve according to the rotating speeds of the engine under different working conditions as input signals, and then the opening and closing of the vent hole are controlled by the opening and closing of the electromagnetic valve.
2. The energy-recoverable engine semi-active suspension according to claim 1, wherein the transmission actuating mechanism comprises an upper push rod, a lower push rod and a guiding structure for guiding the lower push rod to the power generation mechanism, the top end of the upper push rod is connected with a connecting bolt, the bottom end of the lower push rod is connected with the power generation mechanism, and the connecting bolt drives the upper push rod to push liquid in the hydraulic amplifier to form hydraulic pressure so as to push the lower push rod to move along the guiding structure.
3. The energy recoverable engine semi-active suspension of claim 2, wherein the power generation mechanism comprises a generator and a gear train, the transmission actuator being connected to the generator by the gear train.
4. The energy-recoverable engine semi-active suspension of claim 3, wherein the gear train comprises a gear and a rack in meshed connection, the bottom end of the push down rod is connected to the rack, and the gear is connected to the generator via a connecting shaft.
5. The energy-recoverable engine semi-active suspension device according to claim 4, wherein the rack is a double-sided straight rack, the generator is a micro-generator, and the number of micro-generators is two, the two micro-generators are respectively located at two sides of the double-sided straight rack, and two gears meshed with the double-sided straight rack are respectively connected with the micro-generators at the same side through connecting shafts.
6. The energy recoverable engine semi-active suspension of claim 5, wherein the two micro-generators are symmetrically located on either side of a double sided straight rack.
7. The energy recoverable engine semi-active suspension of claim 1, wherein the electric storage mechanism comprises a wire, an AC/DC converter and a battery connected to the AC/DC converter, the generator being connected to the AC/DC converter by the wire.
8. The energy-recoverable engine semi-active suspension of claim 1, wherein the upper end of the rubber main spring is in vulcanized connection with the spindle, the lower end of the rubber main spring is in vulcanized connection with the upper end of the housing bracket, and the housing bracket is a metal bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910103512.3A CN109707581B (en) | 2019-02-01 | 2019-02-01 | Engine semi-active suspension device with energy recovery function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910103512.3A CN109707581B (en) | 2019-02-01 | 2019-02-01 | Engine semi-active suspension device with energy recovery function |
Publications (2)
| Publication Number | Publication Date |
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| CN109707581A CN109707581A (en) | 2019-05-03 |
| CN109707581B true CN109707581B (en) | 2024-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910103512.3A Active CN109707581B (en) | 2019-02-01 | 2019-02-01 | Engine semi-active suspension device with energy recovery function |
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