CN207437214U - A kind of intelligence piston - Google Patents
A kind of intelligence piston Download PDFInfo
- Publication number
- CN207437214U CN207437214U CN201721574608.0U CN201721574608U CN207437214U CN 207437214 U CN207437214 U CN 207437214U CN 201721574608 U CN201721574608 U CN 201721574608U CN 207437214 U CN207437214 U CN 207437214U
- Authority
- CN
- China
- Prior art keywords
- piston
- wireless wifi
- wifi module
- ecu
- pressure sensor
- 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.)
- Withdrawn - After Issue
Links
- 230000001133 acceleration Effects 0.000 claims abstract description 35
- 230000006835 compression Effects 0.000 claims abstract description 35
- 238000007906 compression Methods 0.000 claims abstract description 35
- 230000005611 electricity Effects 0.000 claims abstract description 18
- 239000003990 capacitor Substances 0.000 claims abstract description 7
- 238000005259 measurement Methods 0.000 claims description 6
- 238000004146 energy storage Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The utility model discloses a kind of intelligent pistons, are made of temperature difference electricity generation device, control device, piston.Temperature difference electricity generation device includes electrothermal module, integrated stable voltage circuit, super capacitor energy device, voltage raising and reducing DC/DC circuits；Control device includes the first wireless WIFI module, the second wireless WIFI module, miniature ECU, controller, driver, stepper motor, temperature sensor, pressure sensor, acceleration transducer；Piston includes piston body top, piston body lower part, guide plate, inner sleeve, screw thread, motor cabinet.Temperature difference electricity generation device described in the utility model is generated electricity using the internal piston temperature difference, and device provides electric energy in order to control, and control device controls piston；The data and the demand of operating mode that automobile ECU described in the utility model is measured according to temperature sensor, pressure sensor, acceleration transducer, using the lift of the communication modes automatic adjustment piston of wireless WIFI, achieve the purpose that change compression ratio, improve engine efficiency.
Description
Technical field
The utility model is related to automotive engine applications, more precisely, the utility model is related to a kind of intelligent pistons.
Background technology
The capacity usage ratio of automobile engine is encountering unprecedented challenge in 25%-40% or so at this stage.With
Social progress and the development of technology, the efficiency of automobile engine must be promoted further.Simultaneously with the hair of Internet technology
Exhibition and popularization, the trend of device intelligence is more and more apparent, and work efficiency is improved with this.
The piston of engine is one of significant components of engine, and piston intelligence can optimize engine acting, simplify
Engine controls, and engine efficiency is improved, so as to promote the competitiveness of engine.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of intelligent piston, a kind of intelligent piston lift
It is variable, it is controlled using the communication modes of wireless WIFI, carries out thermo-electric generation using the waste heat of internal piston to provide power supply,
The lift of piston is automatically adjusted by the sensor and automobile ECU (electronic control unit) of internal piston, reaches change compression ratio
Purpose.
In order to solve the above technical problems, the utility model adopts the following technical scheme that realization：
A kind of intelligent piston described in the utility model, including temperature difference electricity generation device, control device, piston, feature exists
In：
The temperature difference electricity generation device includes electrothermal module, integrated stable voltage circuit, super capacitor energy device, voltage raising and reducing
DC/DC circuits；
The control device includes the first wireless WIFI module, the second wireless WIFI module, miniature ECU, controller, drive
Dynamic device, stepper motor, temperature sensor, pressure sensor, acceleration transducer；
The piston includes piston body top, piston body lower part, guide plate, inner sleeve, screw thread, motor cabinet；
The electrothermal module is mounted on top surface on internal piston, electrothermal module, integrated stable voltage circuit, super capacitor energy
Device, voltage raising and reducing DC/DC circuits are sequentially connected and connect, and voltage raising and reducing DC/DC circuits are connected with control device；
The first wireless WIFI module is connected with automobile ECU, and in crankcase, miniature ECU is respectively and temperature
Sensor, pressure sensor, acceleration transducer, the second wireless WIFI module, controller are connected, the output terminal of controller and drive
The input terminal of dynamic device is connected, and the output terminal of driver is connected with the input terminal of stepper motor, temperature sensor and pressure sensor
On the upper top surface of piston, the second wireless WIFI module, miniature ECU, controller, driver, stepper motor, acceleration pass
Sensor integrates, and is put on mounted on interior.
A kind of intelligent piston, which is characterized in that top surface temperature on the temperature sensor measurement piston, pressure
Pressure, acceleration transducer measure the acceleration of piston at top surface on sensor measurement piston.
A kind of intelligent piston, which is characterized in that the miniature ECU is received to be passed from temperature sensor, pressure
The data of sensor, acceleration transducer, miniature ECU pass through the data of temperature sensor, pressure sensor, acceleration transducer
Second wireless WIFI module is sent to the first wireless WIFI module in a manner of wireless signal, and the first wireless WIFI module will receive
Arrive from temperature sensor, pressure sensor, acceleration transducer data feedback to automobile ECU.
A kind of described intelligent piston, which is characterized in that the automobile ECU according to the temperature sensor received, press
The demand of force snesor, the data of acceleration transducer and operating mode sends the instruction for adjusting compression ratio, passes through the first wireless WIFI
Module is sent in the form of wireless signal.
A kind of intelligent piston, which is characterized in that the second wireless WIFI module receives the first wireless WIFI
The instruction for the adjusting compression ratio that module is sent, is transferred to miniature ECU, the instruction for adjusting compression ratio is sent to control by miniature ECU
Device, controller control driver Driving Stepping Motor rotate, and change the lift of piston.
The beneficial effects of the utility model are compared with prior art：
1. a kind of intelligent piston described in the utility model, is generated electricity using the internal piston temperature difference, solved in piston
The powerup issue of portion's small space, device offer electric energy is supported in order to control, is avoided and is brought from piston exterior introduction power circuit
The problem of, technical difficulty is reduced, greatly simplifies supply line.
2. a kind of intelligent piston described in the utility model, using the communication modes of wireless WIFI, avoids and is transported in high speed
The engine interior arrangement communication line turned, simplifies communication modes.
3. piston is variable lift piston used by a kind of intelligent piston described in the utility model, it can adjust and start
Machine compression ratio.
4. automobile ECU described in the utility model is measured according to temperature sensor, pressure sensor, acceleration transducer
The lift of data and duty requirements automatic adjustment piston, achievees the purpose that intelligence adjusts compression ratio.
Description of the drawings
Fig. 1 is a kind of workflow schematic diagram of intelligent piston described in the utility model；
Fig. 2 is the workflow schematic diagram of temperature difference electricity generation device described in the utility model；
Fig. 3 is the workflow schematic diagram of control device described in the utility model；
Fig. 4 is the full sectional view of piston front view described in the utility model.
In figure：1. temperature difference electricity generation device, 2. control devices, 3. pistons, 4. electrothermal modules, 5. integrated stable voltage circuits 6. surpass
Grade capacitance energy storage equipment, 7. voltage raising and reducing DC/DC circuits, 8. automobile ECUs, 9. first wireless WIFI modules, 10. second is wireless
WIFI module, 11. miniature ECU, 12. controllers, 13. drivers, 14. stepper motors, 15. temperature sensors, 16. pressure sensings
Device, 17. acceleration transducers, 18. piston body tops, 19. piston body lower parts, 20. guide plates, 21. inner sleeves, 22. screw threads, 23.
Motor cabinet.
Specific embodiment
As shown in Figure 1, a kind of intelligent piston described in the utility model, including temperature difference electricity generation device 1, control device 2, lives
Plug 3.Device 2 provides power supply support to temperature difference electricity generation device 1 in order to control, and control device 2 controls piston 3.
As shown in Fig. 2, temperature difference electricity generation device 1 include electrothermal module 4, integrated stable voltage circuit 5, super capacitor energy device 6,
Voltage raising and reducing DC/DC circuits 7.
As shown in figure 3, control device 2 includes the first wireless WIFI module 9, the second wireless WIFI module 10, miniature
ECU11, controller 12, driver 13, stepper motor 14, temperature sensor 15, pressure sensor 16, acceleration transducer 17.
As shown in figure 4, piston 3 include piston body top 18, piston body lower part 19, guide plate 20, inner sleeve 21, screw thread 22,
Motor cabinet 23.
As shown in figure 4, motor cabinet 23 is disc-like structural member, be evenly distributed on the bottom surface of motor cabinet 23 (casting) have one to
The identical truncated cone-shaped boss of eight structures, counter structure phase on the identical truncated cone-shaped boss of one to eight structure and piston body lower part 19
Same truncated cone-shaped pit is mutually equipped with (to just), since the identical truncated cone-shaped pit of the structure on piston body lower part 19 limits motor
Rotation in 23 horizontal planes of seat, the bottom surface of motor cabinet 23 truncated cone-shaped identical with one to eight structure that piston body lower part 19 is set are recessed
The annulus bottom surface in hole connects, and limits 23 downward play of motor cabinet；The top end face of motor cabinet 23 and the bottom surface of inner sleeve 21 connect
Connection is touched, thus limits 23 upward play of motor cabinet, so as to which motor cabinet 23 is fixed on piston body lower part 19.
As shown in figure 4, it is provided with to install the annulus of 14 stator of stepper motor at the center of the top end face of motor cabinet 23
Body, the rotation conllinear of the circumference that the identical truncated cone-shaped boss of torus, one to eight structure is distributed and motor cabinet 23；Stepping
14 stator of motor is mounted in torus to be fixedly connected, it is impossible to planar movement, the bottom face and annulus of 14 stator of stepper motor
In vivo motor cabinet 23 connects, and preventing 14 stator of stepper motor, 14 rotor of stepper motor is packed into stepping electricity from downward play
In the centre bore of 14 stator of machine, inner sleeve 21 is sleeved on around 14 rotor of stepper motor and stator, and the spline in inner sleeve 21
The splined shaft that hole is held with 14 rotor one (top) of stepper motor is equipped with, inner bottom surface and 14 rotor of stepper motor of 21 centre bore of inner sleeve
Shaft shoulder top end face connects, and the bottom surface of the shaft shoulder of 14 rotor of stepper motor contacts company with the top end face of 14 stator of stepper motor
It connects, prevents 14 rotor of stepper motor and the upward play of stator, stepper motor 14 is made to be fixed on motor cabinet 23.
As shown in figure 4, piston body top 18 by the guide plate 20 on piston body lower part 19 into being slidably connected, so as to live
Cock body top 18 constrains in moving up and down along piston axis direction.
As shown in figure 4, splined hole is provided at the center at 21 top of inner sleeve, on 21 outer wall of inner sleeve and in piston body top 18
It is provided with screw thread 22 on wall, the shape of screw thread 22 is triangle or trapezoidal, external screw thread and piston body top on 21 outer wall of inner sleeve
18 internal thread is engaged.
As shown in Fig. 2 and Fig. 4, electrothermal module 4 is mounted on 3 inside upper surface of piston, utilizes 3 inside upper surface of piston and work
The temperature difference filled between 3 internal gas generates electricity.The electric energy that electrothermal module 4 generates carries out voltage stabilizing by integrated stable voltage circuit 5, into
And be that super capacitor energy device 6 carries out voltage stabilizing charging, voltage raising and reducing DC/DC circuits 7 make the output of super capacitor energy device 3
Voltage keeps stablizing, and device 2 provides stable input voltage in order to control.
As shown in Figure 3 and Figure 4, the first wireless WIFI module 9 is mounted in crankcase and automobile ECU 8 passes through string
Mouthful be connected, miniature ECU11 respectively with temperature sensor 15, pressure sensor 16, acceleration transducer 17, the second wireless WIFI moulds
Block 10 is connected with controller 12, and controller 12 exports terminator actuator 13, the output termination stepper motor 14 of driver 13.
The second wireless WIFI module 10, miniature ECU11, controller 12, driver 13, stepper motor 14, accelerate
Degree sensor 17 integrates, and in piston inner sleeve 21, temperature sensor 15 and pressure sensor 16 are mounted on piston
On upper top surface.
The temperature sensor 15 measures the temperature of top surface on piston 3；Pressure on pressure sensor measurement piston 3 at top surface
Power；Acceleration transducer 17 measures the acceleration of piston 3.
The miniature ECU11 receives the number from temperature sensor 15, pressure sensor 16 and acceleration transducer 17
According to miniature ECU11 is wireless by second by the data from temperature sensor 15, pressure sensor 16 and acceleration transducer 17
WIFI module 10 emits wireless signal to the first wireless WIFI module 9, and the first wireless WIFI module 9 receives the second wireless WIFI moulds
The signal that block 10 is sent, by the data feedback of temperature sensing 15, pressure sensor 16 and acceleration transducer 17 to automobile ECU 8.
The automobile ECU 8 according to temperature sensing 15, pressure sensor 16, acceleration transducer 17 data and operating mode
Demand to determine whether need changes the compression ratio of engine, then by the first wireless WIFI module 9 to the second wireless WIFI
Module 10 sends wireless signal, and the second wireless WIFI module 10 receives the signal that the first wireless WIFI module 9 is sent, is transferred to micro-
The instruction for adjusting compression ratio is sent to controller 12 by type ECU11, miniature ECU11, and controller 12 controls the driving step of driver 13
Stepper motor 14 works, the lift of regulating piston 3, changes engine compression ratio.
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 4, device 2 provides power supply to the temperature difference electricity generation device 1 in order to control.Work as automobile
ECU8 needs to increase according to the judgement of temperature sensor 15, pressure sensor 16, the data of acceleration transducer 17 and duty requirements
During engine compression ratio, automobile ECU 8 sends the instruction of increase engine compression ratio, passes through the first wireless WIFI module 9 to second
Wireless WIFI module 10 sends wireless signal, and the second wireless WIFI module 10 receives the signal that the first wireless WIFI module 9 is sent,
Miniature ECU11 is transferred to, the instruction for adjusting compression ratio is sent to controller 12 by miniature ECU11, and controller 12 controls driver
13 Driving Stepping Motors 14 rotate forward, and 14 rotor of stepper motor drives inner sleeve 21 to rotate by splined shaft, and inner sleeve 21 passes through screw thread 22
Connection function and the constraint lower band piston body top 18 of guide plate 20 in piston body lower part 19 move upwards, make piston 3
Lift increase, so as to increase the compression ratio of engine.
When automobile ECU 8 is according to temperature sensor 15, pressure sensor 16, the data of acceleration transducer 17 and operating mode need
When asking judgement needs to reduce engine compression ratio, automobile ECU 8 sends the instruction for reducing engine compression ratio, wireless by first
WIFI module 9 sends wireless signal to the second wireless WIFI module 10, and the second wireless WIFI module 10 receives the first wireless WIFI
The signal that module 9 is sent is transferred to miniature ECU11, and the instruction for adjusting compression ratio is sent to controller 12 by miniature ECU11, control
Device 12 processed controls 13 Driving Stepping Motor 14 of driver to invert, and 14 rotor of stepper motor drives inner sleeve 21 to rotate by splined shaft,
The constraint lower band piston body top 18 of connection function of the inner sleeve 21 by screw thread 22 and the guide plate 20 in piston body lower part 19
It moves downward, reduces 3 lift of piston, so as to reduce the compression ratio of engine.
When automobile ECU 8 is according to temperature sensor 15, pressure sensor 16, the data of acceleration transducer 17 and operating mode need
When engine compression ratio need not be changed by asking judgement, automobile ECU 8 does not send the instruction for adjusting compression ratio, at this time stepper motor 14
It does not work, the compression ratio of engine is constant.
A kind of operation principle of intelligence piston：
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 4, device 2 provides power supply to the temperature difference electricity generation device 1 in order to control.Work as automobile
ECU8 needs to increase according to the judgement of temperature sensor 15, pressure sensor 16, the data of acceleration transducer 17 and duty requirements
During engine compression ratio, automobile ECU 8 sends the instruction of increase engine compression ratio, passes through the first wireless WIFI module 9 to second
Wireless WIFI module 10 sends wireless signal, and the second wireless WIFI module 10 receives the signal that the first wireless WIFI module 9 is sent,
Miniature ECU11 is transferred to, the instruction for adjusting compression ratio is sent to controller 12 by miniature ECU11, and controller 12 controls driver
13 Driving Stepping Motors 14 rotate forward, and 14 rotor of stepper motor drives inner sleeve 21 to rotate by splined shaft, and inner sleeve 21 passes through screw thread 22
Connection function and the constraint lower band piston body top 18 of guide plate 20 in piston body lower part 19 move upwards, make piston 3
Lift increase, so as to increase the compression ratio of engine.
When automobile ECU 8 is according to temperature sensor 15, pressure sensor 16, the data of acceleration transducer 17 and operating mode need
When asking judgement needs to reduce engine compression ratio, automobile ECU 8 sends the instruction for reducing engine compression ratio, wireless by first
WIFI module 9 sends wireless signal to the second wireless WIFI module 10, and the second wireless WIFI module 10 receives the first wireless WIFI
The signal that module 9 is sent is transferred to miniature ECU11, and the instruction for adjusting compression ratio is sent to controller 12 by miniature ECU11, control
Device 12 processed controls 13 Driving Stepping Motor 14 of driver to invert, and 14 rotor of stepper motor drives inner sleeve 21 to rotate by splined shaft,
The constraint lower band piston body top 18 of connection function of the inner sleeve 21 by screw thread 22 and the guide plate 20 in piston body lower part 19
It moves downward, reduces 3 lift of piston, so as to reduce the compression ratio of engine.
When automobile ECU 8 is according to temperature sensor 15, pressure sensor 16, the data of acceleration transducer 17 and operating mode need
When engine compression ratio need not be changed by asking judgement, automobile ECU 8 does not send the instruction for adjusting compression ratio, at this time stepper motor 14
It does not work, the compression ratio of engine is constant.
Claims (5)
1. a kind of intelligence piston, including temperature difference electricity generation device (1), control device (2), piston (3), it is characterised in that：
The temperature difference electricity generation device (1) include electrothermal module (4), integrated stable voltage circuit (5), super capacitor energy device (6),
Voltage raising and reducing DC/DC circuits (7)；
The control device (2) includes the first wireless WIFI module (9), the second wireless WIFI module (10), miniature ECU
(11), controller (12), driver (13), stepper motor (14), temperature sensor (15), pressure sensor (16), acceleration
Sensor (17)；
The piston (3) includes piston body top (18), piston body lower part (19), guide plate (20), inner sleeve (21), screw thread
(22), motor cabinet (23)；
The electrothermal module (4) is mounted on top surface on piston (3) inside, electrothermal module (4), integrated stable voltage circuit (5), super
Capacitance energy storage equipment (6), voltage raising and reducing DC/DC circuits (7) are sequentially connected and connect, voltage raising and reducing DC/DC circuits (7) and control device
(2) it is connected；
The first wireless WIFI module (9) is connected with automobile ECU (8), and in crankcase, miniature ECU (11) is respectively
With temperature sensor (15), pressure sensor (16), acceleration transducer (17), the second wireless WIFI module (10), controller
(12) it is connected, the output terminal of controller (12) is connected with the input terminal of driver (13), the output terminal of driver (13) and stepping
The input terminal of motor (14) is connected, and temperature sensor (15) and pressure sensor (16) are mounted on the upper top surface of piston (3), the
Two wireless WIFI modules (10), miniature ECU (11), controller (12), driver (13), stepper motor (14), acceleration sensing
Device (17) integrates, in inner sleeve (21).
A kind of 2. intelligent piston described in accordance with the claim 1, which is characterized in that temperature sensor (15) the measurement piston
Upper top surface temperature, pressure at top surface on pressure sensor (16) measurement piston, acceleration transducer (17) measurement piston (3) plus
Speed.
3. a kind of intelligent piston described in accordance with the claim 1, which is characterized in that the miniature ECU (11) is received from temperature
Sensor (15), pressure sensor (16), the data of acceleration transducer (17) are spent, miniature ECU (11) is by temperature sensor
(15), the data of pressure sensor (16), acceleration transducer (17) by the second wireless WIFI module (10) with wireless signal
Mode be sent to the first wireless WIFI module (9), the first wireless WIFI module (9) will receive from temperature sensor
(15), pressure sensor (16), the data feedback of acceleration transducer (17) give automobile ECU (8).
4. a kind of intelligent piston described in accordance with the claim 1, which is characterized in that automobile ECU (8) basis received
Temperature sensor (15), pressure sensor (16), the demand of the data of acceleration transducer (17) and operating mode send adjusting compression
The instruction of ratio is sent by the first wireless WIFI module (9) in the form of wireless signal.
5. a kind of intelligent piston described in accordance with the claim 1, which is characterized in that the second wireless WIFI module (10) connects
The instruction for the adjusting compression ratio that the first wireless WIFI module (9) sends is received, is transferred to miniature ECU (11), miniature ECU (11) will adjust
The instruction of section compression ratio is sent to controller (12), and controller (12) control driver (13) Driving Stepping Motor (14) rotates,
Change the lift of piston (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721574608.0U CN207437214U (en) | 2017-11-22 | 2017-11-22 | A kind of intelligence piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721574608.0U CN207437214U (en) | 2017-11-22 | 2017-11-22 | A kind of intelligence piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207437214U true CN207437214U (en) | 2018-06-01 |
Family
ID=62287482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721574608.0U Withdrawn - After Issue CN207437214U (en) | 2017-11-22 | 2017-11-22 | A kind of intelligence piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207437214U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107781056A (en) * | 2017-11-22 | 2018-03-09 | 吉林大学 | A kind of intelligent piston |
-
2017
- 2017-11-22 CN CN201721574608.0U patent/CN207437214U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107781056A (en) * | 2017-11-22 | 2018-03-09 | 吉林大学 | A kind of intelligent piston |
| CN107781056B (en) * | 2017-11-22 | 2024-03-22 | 吉林大学 | Intelligent piston |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180601 Effective date of abandoning: 20240322 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180601 Effective date of abandoning: 20240322 |