CN110460196B - Multi-mode composite generator for supplying energy to tire pressure monitoring sensor - Google Patents
Multi-mode composite generator for supplying energy to tire pressure monitoring sensor Download PDFInfo
- Publication number
- CN110460196B CN110460196B CN201910889998.8A CN201910889998A CN110460196B CN 110460196 B CN110460196 B CN 110460196B CN 201910889998 A CN201910889998 A CN 201910889998A CN 110460196 B CN110460196 B CN 110460196B
- Authority
- CN
- China
- Prior art keywords
- power generation
- cylindrical barrel
- shell
- piezoelectric
- substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 34
- 239000002131 composite material Substances 0.000 title claims abstract description 28
- 238000010248 power generation Methods 0.000 claims abstract description 67
- 238000000926 separation method Methods 0.000 claims abstract description 12
- 239000000758 substrate Substances 0.000 claims description 45
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 21
- 229910052802 copper Inorganic materials 0.000 claims description 21
- 239000010949 copper Substances 0.000 claims description 21
- 239000002783 friction material Substances 0.000 claims description 11
- 239000000853 adhesive Substances 0.000 claims description 9
- 230000001070 adhesive effect Effects 0.000 claims description 9
- 239000000919 ceramic Substances 0.000 claims description 6
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 4
- 238000004026 adhesive bonding Methods 0.000 claims 2
- 238000003306 harvesting Methods 0.000 abstract description 12
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 4
- 230000005484 gravity Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 7
- 230000005674 electromagnetic induction Effects 0.000 description 4
- 230000006698 induction Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 239000004205 dimethyl polysiloxane Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005421 electrostatic potential Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1846—Rotary generators structurally associated with wheels or associated parts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N1/00—Electrostatic generators or motors using a solid moving electrostatic charge carrier
- H02N1/04—Friction generators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a multi-mode composite generator for supplying energy to a tire pressure monitoring sensor, which aims to solve the problems of single energy harvesting mode, low energy conversion efficiency and the like existing in the energy supply of the tire pressure sensor at present. The piezoelectric generating set comprises a shell, a piezoelectric generating component, a cylindrical magnet I, an electromagnetic coil, a cylindrical barrel and a friction generating unit. The composite generator rotates along with the wheel, and the cylindrical magnet I moves up and down in the cylindrical barrel under the action of self gravity and interacts with the electromagnetic coil and the piezoelectric power generation part on the outer side, so that electromagnetic power generation and piezoelectric power generation are realized; meanwhile, the cylindrical magnet acts on the friction power generation unit, so that contact-separation type friction power generation is realized. The multi-mode composite generator designed by the invention realizes effective combination of different power generation modes, overcomes a single energy harvesting mode, improves the energy conversion efficiency, and has the characteristics of compact structure, high energy utilization rate and the like. The method has wide application prospect in the technical field of low-power consumption sensor energy supply.
Description
Technical Field
The invention relates to a multi-mode composite generator for supplying energy to a tire pressure monitoring sensor, and belongs to the technical field of low-power consumption sensor energy supply.
Background
With the rapid development of automobiles towards intellectualization, a large number of vehicle-mounted sensors are widely applied to automobiles. The tire pressure monitoring sensor plays an important role in monitoring the pressure and the temperature of the tire as one of the vehicle-mounted sensors, and the safe driving of the automobile is ensured. However, the continuous stable operation of current tire pressure monitoring sensors is mainly powered by chemical batteries. However, the power supply mode of the chemical battery has the disadvantages of limited service life, need of regular replacement, environmental pollution and the like.
The rotary mechanical energy generated by automobile running is converted into electric energy by using a novel energy supply technology, and the energy can be directly supplied to the tire pressure monitoring sensor, so that the problem of using a chemical battery for power supply can be solved. Currently, there are several main ways for collecting the rotating mechanical energy of an automobile: (1) friction power generation: triboelectric power generation based on coupled contact electrification and electrostatic induction has been proposed as a novel energy conversion means by the professor of wangzhong forest. It has the advantages of high output voltage, simple manufacture, low cost, wide material application range, etc. (2) Piezoelectric power generation: mechanical energy is converted into electric energy by utilizing the direct piezoelectric effect of the piezoelectric material, and piezoelectric energy harvesting has the advantages of high power density, easiness in miniaturization and the like. (3) Electromagnetic power generation: the electromagnetic induction phenomenon is utilized to convert mechanical energy into electric energy, and the electromagnetic induction type high-voltage power supply has the advantages of small impedance, large output current and the like. However, the current energy harvesting devices that collect the energy of the rotating machinery of the automobile and convert the energy into electric energy to power the tire pressure monitoring sensor generally have the problems of single energy harvesting mode, low energy conversion efficiency and the like, cannot effectively collect the energy of the rotating machinery of the automobile, and limit the development and application of the energy harvesting devices in the technical field of energy supply of low-power consumption sensors. Therefore, a new energy supply technology for supplying energy to the tire pressure monitoring sensor needs to be researched to solve the existing problems.
Disclosure of Invention
The invention discloses a multi-mode composite generator for supplying energy to a tire pressure monitoring sensor, aiming at solving the problems of single energy harvesting mode, low energy conversion efficiency and the like of the conventional energy supply device for the tire pressure sensor, and provides a novel environment-friendly, efficient and stable energy supply device for a sensor in a tire pressure monitoring system.
The technical scheme adopted by the invention is as follows:
the multi-mode composite generator for supplying energy to the tire pressure monitoring sensor consists of a shell, a fastening bolt, a nut, a piezoelectric power generation assembly, a fastening screw, a cylindrical magnet I, an electromagnetic coil, a cylindrical barrel and a friction power generation unit; the shell is fixed by a fastening bolt and a nut in a threaded connection mode; the piezoelectric power generation assembly is fixed on one side of the upper end face of the shell in a threaded connection mode by utilizing a fastening screw and a threaded through hole; the cylindrical magnet I is placed in a cylindrical barrel inner cavity of the cylindrical barrel; the electromagnetic coil is wound at the middle position of the outer surface of the cylindrical barrel; the cylindrical drum is placed in the cylindrical drum mounting groove; the friction power generation units are symmetrically arranged in the square grooves at the two ends of the shell.
The friction power generation device is characterized in that square grooves are formed in two ends of the shell respectively, the friction power generation unit is placed in the square grooves, semicircular baffles are arranged on the inner sides, close to the square grooves, of the two ends of the shell respectively, cylindrical barrel mounting grooves are formed in the inner sides, close to the semicircular baffles, of the two ends of the shell respectively, cylindrical barrels are placed in the cylindrical barrel mounting grooves, threaded through holes are uniformly formed in the middle position of one side of the shell, bolt mounting holes are formed in four corners of the shell, fastening bolts are placed in the bolt mounting holes and are in threaded connection with nuts, square holes are formed in the middle position of the shell, and the cylindrical barrels are placed in.
The piezoelectric power generation assembly is composed of piezoelectric power generation units, and the piezoelectric power generation units are uniformly distributed and arrayed on the upper end face of the shell.
The piezoelectric power generation unit comprises a cylindrical magnet II, a rectangular piezoelectric ceramic piece and a copper substrate; the cylindrical magnet II is fixed at one end of one side of the copper substrate in an adhesive manner, and the rectangular piezoelectric ceramic piece is fixed on the upper surface of the copper substrate in an adhesive manner; the copper substrate comprises an upper surface of the copper substrate and a fixing hole, and the fixing hole is formed in the other end of the copper substrate.
The cylindrical barrel is provided with a cylindrical barrel inner cavity and a cylindrical barrel outer surface; the cylinder inner chamber sets up in the middle part of a cylinder, and cylinder magnet I is placed in cylinder inner chamber.
The friction power generation unit is composed of a substrate I, a substrate II, a spring and a contact-separation type friction power generation part, wherein the substrate I and the substrate II are fixed together in an adhesive mode, the spring is placed in a spring mounting hole, and the contact-separation type friction power generation part is adhered to one side of the substrate II in an adhesive mode.
Spring mounting holes are formed in four corners of the base plate II, and springs are placed in the spring mounting holes; the contact-separation type friction power generation part comprises an electrode I, a friction material, an electrode II and sponge rubber; the electrode I is adhered to one side of one substrate II, the electrode II is adhered to the upper portion of the sponge glue, the friction material is adhered to the upper portion of the electrode II, and the sponge glue is adhered to the other substrate II.
N piezoelectric power generation units are equidistantly arranged on the upper end face of the shell, n is a positive integer larger than 1, the length of each piezoelectric power generation unit is L, the length L of each piezoelectric power generation unit decreases progressively from left to right, and the range of L meets 40-50 mm.
The invention has the beneficial effects that: the invention effectively converts the automobile rotation mechanical energy into electric energy by combining the friction electrification principle, the electromagnetic induction principle and the positive piezoelectric effect effective principle of the piezoelectric material, thereby greatly improving the energy harvesting efficiency and the energy utilization rate of the composite generator. The invention solves the problems of single energy harvesting mode, low energy conversion efficiency and the like of the current energy harvesting device, has simple and novel structure, high reliability, environmental protection and no pollution in the power generation process, and has wide application prospect in the aspects of energy supply of low-power consumption sensors such as tire pressure monitoring sensors and the like.
Drawings
FIG. 1 is a schematic structural diagram of a multi-mode composite generator for supplying power to a tire pressure monitoring sensor according to the present invention;
FIG. 2 is a schematic structural diagram I of a multi-mode composite generator housing for supplying power to a tire pressure monitoring sensor according to the present invention;
FIG. 3 is a schematic structural diagram II of a multi-mode composite generator housing for supplying power to a tire pressure monitoring sensor according to the present invention;
FIG. 4 is a schematic structural diagram of a piezoelectric power generation assembly of a multi-mode composite generator for supplying power to a tire pressure monitoring sensor according to the present invention;
FIG. 5 is a schematic structural diagram of a piezoelectric power generation voltage structure of a multi-mode composite generator for supplying power to a tire pressure monitoring sensor according to the present invention;
FIG. 6 is a schematic structural diagram of a copper substrate of a multi-mode composite generator for supplying power to a tire pressure monitoring sensor according to the present invention;
FIG. 7 is a schematic structural diagram of a cylindrical barrel of a multi-mode composite generator for supplying power to a tire pressure monitoring sensor according to the present invention;
FIG. 8 is a schematic structural diagram of a friction power generation unit of a multi-mode composite generator for supplying power to a tire pressure monitoring sensor according to the present invention;
fig. 9 is a schematic structural diagram of a substrate ii of a multi-mode composite generator for supplying power to a tire pressure monitoring sensor according to the present invention;
fig. 10 is a schematic structural diagram of a contact-separation type friction power generation part of a multi-mode composite generator for supplying power to a tire pressure monitoring sensor according to the present invention.
Detailed Description
The present embodiment will be described with reference to fig. 1 to 10.
The embodiment provides a specific implementation scheme of a multi-mode composite generator for supplying energy to a tire pressure monitoring sensor. The multi-mode composite generator for supplying energy to the tire pressure monitoring sensor comprises a shell 1, a fastening bolt 2, a nut 3, a piezoelectric power generation component 4, a fastening screw 5, a cylindrical magnet I6, an electromagnetic coil 7, a cylindrical barrel 8 and a friction power generation unit 9; the casing 1 is fixed through a threaded connection mode by means of a fastening bolt 2 and a nut 3, the piezoelectric power generation assembly 4 is fixed on one side of the upper end face 1-6 of the casing 1 through a threaded connection mode by means of a fastening bolt 5 and a threaded through hole 1-4, the cylindrical magnet I6 is placed in the inner cavity 8-1 of the cylindrical barrel 8, the electromagnetic coil 7 is wound at the middle position of the outer surface 8-2 of the cylindrical barrel 8, the cylindrical barrel 8 is placed in the cylindrical barrel mounting groove 1-3, and the friction power generation unit 9 is placed in the square groove 1-1.
The piezoelectric generating component is characterized in that square grooves 1-1 are respectively arranged at two ends of the shell 1 and used for placing a friction generating unit 9, semicircular baffles 1-2 are respectively arranged at two ends of the shell 1 at the inner sides close to the square grooves 1-1 and used for fixing two ends of a cylindrical barrel 8, cylindrical barrel mounting grooves 1-3 are respectively arranged at two ends of the shell 1 at the inner sides close to the semicircular baffles 1-2 and used for placing the cylindrical barrel 8, threaded through holes 1-4 are uniformly distributed at the middle position of one side of the shell 1, the threaded through holes 1-4 are connected with fixing holes 4-1-3-2 on a copper substrate 4-1-3 in a screwing mode through fastening screws 5 and used for fixing the piezoelectric generating component 4, bolt mounting holes 1-5 are arranged at four corners of the shell 1, and fastening bolts 2 are placed in the bolt mounting holes 1-5 and connected with nuts 3 in a threaded mode, the middle of the shell 1 is provided with square holes 1-7, so that the cylindrical barrel 8 can be placed in the middle.
The piezoelectric power generation assembly 4 is composed of piezoelectric power generation units 4-1, and the piezoelectric power generation units 4-1 are uniformly distributed and arrayed on the upper end face 1-6 of the shell 1.
The piezoelectric power generation unit 4-1 comprises a cylindrical magnet II 4-1-1, a rectangular piezoelectric ceramic piece 4-1-2 and a copper substrate 4-1-3; the cylindrical magnet II 4-1-1 is fixed at one end of one side of the copper substrate 4-1-3 in an adhesive mode, the rectangular piezoelectric ceramic piece 4-1-2 is fixed on the upper surface 4-1-3-1 of the copper substrate 4-1-3 in an adhesive mode, the copper substrate 4-1-3 comprises the upper surface 4-1-3-1 of the copper substrate and fixing holes 4-1-3-2, the fixing holes 4-1-3-2 are formed in the other end of the copper substrate 4-1-3 and matched with threaded through holes 1-4 in the shell 1, and the piezoelectric generating component 4 is fixed on the shell 1 through screwing connection of fastening screws 5.
The cylindrical barrel 8 is provided with a cylindrical barrel inner cavity 8-1 and a cylindrical barrel outer surface 8-2; the inner cavity 8-1 of the cylindrical barrel is arranged in the middle of the cylindrical barrel 8, the cylindrical magnet I6 is placed in the inner cavity 8-1 of the cylindrical barrel, and the outer surface 8-2 of the cylindrical barrel is used for winding the electromagnetic coil 7.
The friction power generation unit 9 is composed of a substrate I9-1, a substrate II 9-2, a spring 9-3 and a contact separation type friction power generation part 9-4, the substrate I9-1 and the substrate II 9-2 are fixed together in an adhesive mode, the spring 9-3 is placed in a spring mounting hole 9-2-1, and the contact separation type friction power generation part 9-4 is adhered to one side of the substrate II 9-2 in an adhesive mode.
Spring mounting holes 9-2-1 are formed in four corners of the base plate II 9-2 and used for placing springs 9-3; the contact-separation type friction power generation part 9-4 comprises an electrode I9-4-1, a friction material 9-4-2, an electrode II 9-4-3 and sponge rubber 9-4-4; the electrode I9-4-1 is adhered to one side of one substrate II 9-2, the electrode II 9-4-3 is adhered to the upper portion of the sponge rubber 9-4-4, the friction material 9-4-2 is adhered to the upper portion of the electrode II 9-4-3, the friction material 9-4-2 can be made of polymer materials such as PTFE (polytetrafluoroethylene), PDMS (polydimethylsiloxane) and the like, the electrode I9-4-1 and the electrode II 9-4-3 can be made of copper or aluminum materials, and the sponge rubber 9-4-4 is adhered to the other substrate II 9-2 and used for increasing the contact area of the friction material 9-4-2 and the electrode I9-4-1.
N piezoelectric power generation units 4-1 are transversely arranged on the upper end face 1-7 of the shell 1 respectively, n is a positive integer larger than 1, the value of n in the embodiment is 3, the length L of the n is gradually decreased from left to right, and the range of L meets 40-50 mm, so that multi-mode piezoelectric power generation is realized.
The working principle is as follows: the energy generated when the wheel rotates acts on the power generation device, when the wheel rotates, the cylindrical magnet I6 placed in the inner cavity 8-1 of the cylindrical barrel slides up and down in the inner cavity 8-1 of the cylindrical barrel along with the rotation of the wheel, so that the electromagnetic induction phenomenon occurs between the cylindrical magnet I6 and the electromagnetic coil 7 on the outer surface 8-2 of the cylindrical barrel, the cylindrical magnet I6 cuts a magnetic induction line, the electromagnetic coil 7 generates induction current, and the electromagnetic power generation is realized; meanwhile, in the process that the cylindrical magnet I6 slides up and down, the cylindrical magnet I6 and the cylindrical magnet II 4-1-1 on the piezoelectric power generation unit 4-1 generate interaction, so that the piezoelectric power generation unit 4-1 generates initial deflection under the interaction of the cylindrical magnet I6 and the cylindrical magnet II 4-1-1, piezoelectric power generation is realized, and meanwhile, the piezoelectric power generation units 4-1 are different in length, so that the energy collection bandwidth is widened, and the energy conversion efficiency is improved; in the process that the cylindrical magnet I6 slides up and down, the gravity of the cylindrical magnet I6 acts on the substrate I, so that the spring 9-3 is extruded, the electrode I9-4-1 is in contact with the friction material 9-4-2, due to the difference of the frictional electric polarities, the material with strong electron obtaining capacity attracts electrons from the material with weak electron obtaining capacity, charge transfer occurs, so that two contact surfaces on the electrode I9-4-1 and the friction material 9-4-2 are provided with charges with equal quantity and different signs, namely friction charges, when the cylindrical magnet I6 is far away from the substrate I, under the action of the restoring force of the spring, the two contact surfaces on the electrode I9-4-1 and the friction material 9-4-2 are separated, and due to the air layer sandwiched in the middle, the charges on the two surfaces cannot be completely neutralized, so that a potential difference is formed, in order to balance the potential difference, charges with opposite electric properties are induced on the electrode II 9-4-3 through electrostatic induction, the electrode I9-4-1 and the electrode II 9-4-3 are connected through a load, electrons flow anticlockwise between the two electrodes through the potential difference, the electrostatic potential difference between materials is balanced, instantaneous current can be formed in an external circuit, and contact-separation type friction power generation is achieved.
By combining the above contents, the multi-mode composite generator for supplying energy to the tire pressure monitoring sensor, which is designed by the invention, can overcome a single energy harvesting mode, improves the conversion efficiency of energy, has the characteristics of compact structure, high energy utilization rate and the like, can directly supply power to the tire pressure sensor or charge an automobile storage battery after the generated electric energy is processed by a module, realizes the high-efficiency energy harvesting of the rotation energy of the wheel, and has wide application prospects in the aspects of supplying energy to low-power consumption sensors such as the tire pressure monitoring sensor and the like.
Claims (6)
1. The multi-mode composite generator for supplying energy to the tire pressure monitoring sensor is characterized by comprising a shell (1), a fastening bolt (2), a nut (3), a piezoelectric power generation component (4), a fastening screw (5), a cylindrical magnet I (6), an electromagnetic coil (7), a cylindrical barrel (8) and a friction power generation unit (9); the shell (1) is fixed by a fastening bolt (2) and a nut (3) in a threaded connection mode; the piezoelectric power generation assembly (4) is fixed on one side of the upper end face (1-6) of the shell (1) in a threaded connection mode by utilizing a fastening screw (5) and a threaded through hole (1-4); the cylindrical magnet I (6) is placed in a cylindrical inner cavity (8-1) of the cylindrical barrel (8); the electromagnetic coil (7) is wound at the middle position of the outer surface (8-2) of the cylindrical barrel (8); the cylindrical barrel (8) is placed in the cylindrical barrel mounting groove (1-3); the friction power generation units (9) are symmetrically arranged in square grooves (1-1) at two ends of the shell (1); the friction power generation device is characterized in that square grooves (1-1) are respectively arranged at two ends of the shell (1), a friction power generation unit (9) is placed in the square grooves (1-1), semicircular baffles (1-2) are respectively arranged at two ends of the shell (1) at the inner sides close to the square grooves (1-1), cylindrical barrel installation grooves (1-3) are respectively arranged at two ends of the shell (1) at the inner sides close to the semicircular baffles (1-2), a cylindrical barrel (8) is placed in the cylindrical barrel installation grooves (1-3), threaded through holes (1-4) are uniformly distributed at the middle position of one side of the shell (1), bolt installation holes (1-5) are arranged at four corners of the shell (1), fastening bolts (2) are placed in the bolt installation holes (1-5) and are in threaded connection with nuts (3), square holes (1-7) are arranged at the middle position of the shell (1), the cylindrical barrel (8) is placed in the square hole (1-7); the piezoelectric power generation assembly (4) is composed of piezoelectric power generation units (4-1), and the piezoelectric power generation units (4-1) are uniformly distributed and arrayed on the upper end face (1-6) of the shell (1).
2. The multi-mode composite generator powered by facing the tire pressure monitoring sensor as recited in claim 1, wherein the piezoelectric power generation unit (4-1) comprises a cylindrical magnet II (4-1-1), a rectangular piezoelectric ceramic plate (4-1-2) and a copper substrate (4-1-3); the cylindrical magnet II (4-1-1) is fixed at one end of one side of the copper substrate (4-1-3) in an adhesive manner, and the rectangular piezoelectric ceramic piece (4-1-2) is fixed on the upper surface (4-1-3-1) of the copper substrate (4-1-3) in a sticking manner; the copper substrate (4-1-3) comprises an upper surface (4-1-3-1) of the copper substrate and a fixing hole (4-1-3-2), and the fixing hole (4-1-3-2) is formed in the other end of the copper substrate (4-1-3).
3. The multi-mode composite generator powered by facing the tire pressure monitoring sensor as recited in claim 1, wherein the cylindrical barrel (8) is provided with a cylindrical barrel inner cavity (8-1) and a cylindrical barrel outer surface (8-2); the inner cavity (8-1) of the cylindrical barrel is arranged in the middle of the cylindrical barrel (8), and the cylindrical magnet I (6) is placed in the inner cavity (8-1) of the cylindrical barrel.
4. The multi-mode composite generator powered by facing the tire pressure monitoring sensor as claimed in claim 1, wherein the friction power generation unit (9) is composed of a substrate I (9-1), a substrate II (9-2), a spring (9-3) and a contact-separation type friction power generation part (9-4), the substrate I (9-1) and the substrate II (9-2) are fixed together by gluing, the spring (9-3) is placed in the spring mounting hole (9-2-1), and the contact-separation type friction power generation part (9-4) is adhered to one side of the substrate II (9-2) by gluing.
5. The multi-mode composite generator powered by facing the tire pressure monitoring sensor as recited in claim 4, wherein spring mounting holes (9-2-1) are formed at four corners of the substrate II (9-2), and the springs (9-3) are placed in the spring mounting holes (9-2-1); the contact-separation type friction power generation part (9-4) comprises an electrode I (9-4-1), a friction material (9-4-2), an electrode II (9-4-3) and sponge rubber (9-4-4); the electrode I (9-4-1) is adhered to one side of one substrate II (9-2), the electrode II (9-4-3) is adhered to the upper portion of the sponge rubber (9-4-4), the friction material (9-4-2) is adhered to the upper portion of the electrode II (9-4-3), and the sponge rubber (9-4-4) is adhered to the other substrate II (9-2).
6. The multi-mode composite generator powered by facing the tire pressure monitoring sensor as recited in claim 1, wherein n piezoelectric generating units (4-1) are equidistantly arranged on the upper end face (1-6) of the housing (1), n is a positive integer greater than 1, the length of each piezoelectric generating unit (4-1) is L, and the lengths of the piezoelectric generating units are gradually decreased from left to right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910889998.8A CN110460196B (en) | 2019-09-20 | 2019-09-20 | Multi-mode composite generator for supplying energy to tire pressure monitoring sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910889998.8A CN110460196B (en) | 2019-09-20 | 2019-09-20 | Multi-mode composite generator for supplying energy to tire pressure monitoring sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110460196A CN110460196A (en) | 2019-11-15 |
| CN110460196B true CN110460196B (en) | 2021-01-01 |
Family
ID=68492545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910889998.8A Active CN110460196B (en) | 2019-09-20 | 2019-09-20 | Multi-mode composite generator for supplying energy to tire pressure monitoring sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110460196B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113433343A (en) * | 2021-06-23 | 2021-09-24 | 上海大学 | Triboelectricity-electromagnetism composite flow velocity detection device for environment perception |
| CN114070130B (en) * | 2021-11-22 | 2023-12-01 | 北京纳米能源与系统研究所 | Combined type low-frequency energy collecting device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107592031B (en) * | 2017-10-31 | 2019-05-10 | 长春工业大学 | Non-linear broadband piezoelectric energy harvesting device towards tire pressure monitoring sensor energy supply |
| CN107634677B (en) * | 2017-10-31 | 2019-07-30 | 长春工业大学 | Magnetic force dial type piezoelectricity-Electromagnetic heating generator based on wheel rotary motion |
| CN107769611B (en) * | 2017-10-31 | 2019-03-15 | 长春工业大学 | Piezoelectric-electrcombinedc combinedc wideband energy capture device based on Vehicle Suspension Vibration |
| CN109217611B (en) * | 2018-10-22 | 2024-07-30 | 苏州大学 | Combined wave energy collecting device |
| CN109921678B (en) * | 2019-03-22 | 2020-04-03 | 安徽大学 | Rotary electromagnetic-friction composite nano generator |
-
2019
- 2019-09-20 CN CN201910889998.8A patent/CN110460196B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110460196A (en) | 2019-11-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110557045B (en) | Friction-piezoelectric-electromagnetic combined type energy harvester for low-speed rotary motion | |
| Liu et al. | Advanced designs for output improvement of triboelectric nanogenerator system | |
| Xu et al. | Triboelectric nanogenerator for ocean wave graded energy harvesting and condition monitoring | |
| CN109921678B (en) | Rotary electromagnetic-friction composite nano generator | |
| CN110460196B (en) | Multi-mode composite generator for supplying energy to tire pressure monitoring sensor | |
| Fu et al. | High output performance and ultra-durable DC output for triboelectric nanogenerator inspired by primary cell | |
| CN107769611B (en) | Piezoelectric-electrcombinedc combinedc wideband energy capture device based on Vehicle Suspension Vibration | |
| CN110572074A (en) | Multifunctional magnet-induced combined friction-piezoelectric-electromagnetic energy harvesting device | |
| WO2014146501A1 (en) | Self-charging super capacitor | |
| CN111711380A (en) | Electromagnetic-friction composite nano generator based on rolling friction | |
| CN104836472A (en) | Generator utilizing acoustic energy and sound transducer | |
| WO2014166286A1 (en) | Power generation system using nanometer friction generator | |
| Zhang et al. | Multichannel driving triboelectric nanogenerator for enhancing the output charge density | |
| Yang et al. | Triboelectric nanogenerator integrated with a simple controlled switch for regularized water wave energy harvesting | |
| CN215072194U (en) | Electromagnetic-friction combined type vibration energy collector based on connecting rod structure | |
| CN113162460B (en) | Electrostatic rotary and linear reciprocating motion coupling energy collector | |
| Xue et al. | Coil-levitated hybrid generator for mechanical energy harvesting and wireless temperature and vibration monitoring | |
| CN111525830A (en) | Friction generator | |
| CN112019084A (en) | Multi-contact-layer friction nano generator manufactured based on 3D printing technology | |
| CN114483423B (en) | Bistable friction electrification wave power generation device | |
| CN111525829B (en) | Friction generator | |
| CN115664253A (en) | Swing type friction nano generator with high space utilization rate and wide frequency band | |
| CN203297038U (en) | Wind power generation system | |
| CN220440575U (en) | Energy acquisition device, tire sensor and automobile | |
| CN220273456U (en) | Wind-driven triboelectric and electromagnetic composite power generation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |