CN111342635A - Contactless slingshot gear box - Google Patents
Contactless slingshot gear box Download PDFInfo
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- CN111342635A CN111342635A CN202010148334.9A CN202010148334A CN111342635A CN 111342635 A CN111342635 A CN 111342635A CN 202010148334 A CN202010148334 A CN 202010148334A CN 111342635 A CN111342635 A CN 111342635A
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- gearbox
- disc
- contactless
- slingshot
- electromagnet
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K51/00—Dynamo-electric gears, i.e. dynamo-electric means for transmitting mechanical power from a driving shaft to a driven shaft and comprising structurally interrelated motor and generator parts
Abstract
The invention relates to a contactless slingshot gearbox, comprising a shell, wherein the shell is provided with a power input end and a power output end, and the gearbox comprises: the electromagnets are arranged at the power input end; the power supply system is electrically connected to the electromagnets and used for supplying power to the electromagnets; the magnetic part is used for attracting the electromagnet when being electrified; the output disc is provided with the magnetic part, is correspondingly arranged inside the input end and is connected to the output end, and the output disc is used for receiving the magnetic field of the electromagnet and rotates along with the input end; and the control system is used for receiving a control signal and adjusting the on-time duty ratio of the electromagnet so as to change the speed of the output disc.
Description
Technical Field
The invention relates to the field of gearboxes, in particular to a contactless slingshot gearbox.
Background
The gearbox is an important part of the vehicle, and can change the transmission ratio and enlarge the torque and the rotating speed of a driving wheel. With the development of modern science and technology, the gearbox is also upgraded, and the control is more and more convenient from the original manual gearbox to the current stepless gearbox from the synchronizer-free gearbox to the synchronizer-containing gearbox.
The gearbox requires gears and clutches, which places a necessary operational burden on such technology; and unavoidable shift delays; power transmission losses; the reliability is not good; the electric control system is complex; hybrid applications are not uniform; and the problem that the overall weight affects the counterweight. The traditional gearbox is complex in structure, the transmission ratio of the gear needs to be changed through clutch, and in the process, certain time is needed for changing gears and changing the clutch. Meanwhile, in order to add the complex mechanical structure, the traditional gearbox is complex in structure, heavy in weight, large in volume and accompanied with certain mechanical loss. Most gearboxes reach a weight of 75KG or even more. For example, a 9HP28 transmission has the length of 363 mm, the width of 482 mm and the height of 386 mm, and the weight of the oil-containing liquid reaches 78 KG; the weight of the oil-containing liquid of the 9HP48 transmission reaches 86 KG. As a key part in an automobile, the automatic transmission cannot break through in time, and the pace that the automobile industry in China is greatly enhanced is already restricted.
Moreover, the conventional induction motor and engine are opposite to the use scene due to the flywheel effect of the rotor, the low-speed torque needs to add the weight or the flywheel of the additional rotor for accumulating enough energy to increase the speed, but the added mass gives a high-speed burden. On the contrary, the lighter rotor needs to sacrifice low rotation speed torque, which causes the problem of difficult speed increase, and the like, and the design is difficult to consider the rotation speed change required by the use occasion, and the gearbox has larger running loss between the clutch and the gear, and the whole low rotation speed, poor torque, virtual work heating and other reasons need to add a reduction gear set or a gearbox, such as a gear set of tesla, in the induction motor and the engine. This drawback is mainly due to the electric motor.
The invention aims to design a non-contact slingshot gearbox aiming at the problems in the prior art.
Disclosure of Invention
In view of the problems in the prior art, the present invention provides a contactless slingshot gearbox, which can effectively solve the problems in the prior art.
The technical scheme of the invention is as follows:
contactless catapult gearbox contains the casing, the casing is provided with power input end and power take off end, the gearbox contains:
the electromagnets are arranged at the power input end;
the power supply system is electrically connected to the electromagnets and used for supplying power to the electromagnets;
the magnetic part is used for attracting the electromagnet when being electrified;
the output disc is provided with the magnetic part, is correspondingly arranged inside the input end and is connected to the output end, and the output disc is used for receiving the magnetic field of the electromagnet and rotates along with the input end;
and the control system is used for receiving a control signal and adjusting the on-time duty ratio of the electromagnet so as to change the speed of the output disc.
Further, the input end comprises an outer input disc and an inner input disc, the outer input disc is fixedly connected with the inner input disc, an output disc installation cavity is formed between the outer input disc and the inner input disc, the output disc is arranged in the middle of the output disc installation cavity, and the outer input disc is connected to the engine.
Furthermore, a plurality of electromagnet installation grooves are formed in the outer input disc and the inner input disc at equal angles, and the electromagnets are installed in the electromagnet installation grooves.
Furthermore, the electromagnet installation groove of the outer input disc and the electromagnet installation groove of the inner input disc are arranged in a staggered mode or in an opposite mode.
Further, the power supply system comprises a rotor and a stator, the stator comprises an electromagnetic coil, and the stator is used for electrifying and generating a magnetic field; the rotor comprises an induction coil, the rotor is used for receiving and cutting the magnetic field generated by the stator so as to generate current, and the rotor is electrically connected to the electromagnet.
Further, the rotor is arranged at the power input end.
Further, the stator is arranged on the inner wall of the shell corresponding to the position of the rotor.
Further, when the stator conducts direct current, the control system receives a control signal and adjusts the conduction or the disconnection of the direct current, and therefore the conduction time duty ratio of the electromagnet is adjusted.
Further, the magnetic part comprises a silicon steel sheet.
Further provided is the use of a contactless slingshot gearbox as an induction motor.
When the stator conducts alternating current, the frequency and the voltage of the alternating current are adjusted, and the rotor and the stator form an induction motor.
Accordingly, the present invention provides the following effects and/or advantages:
compared with the traditional gearbox, the invention has the advantages of obviously reduced weight, less mechanical energy loss, higher efficiency and low manufacturing cost because of no complex gear and clutch structure. Meanwhile, the volume of the invention is greatly reduced.
The input and the output of the invention are in non-contact energy transfer, and the invention adopts the slingshot type to drive the output disc, the stress in the longitudinal direction is mutually offset, thus not only driving the output disc in the transverse direction, but also protecting the stress balance of the output disc in the vertical direction.
The power supply system adopts a principle similar to that of a generator, and drives the electromagnet to be conducted through the matching of the stator and the rotor and the electrifying mode of the stator, so that the complex power supply system is reduced, and the power supply is more stable and reliable.
The magnetic part is made of silicon steel sheets, so that no residual electromagnetic interference is generated to generate waste heat.
The invention adopts a plurality of electromagnets to form a power transmission structure, and the plurality of electromagnets can generate suction force larger than 1600KG, thereby ensuring that the input end drives the output disc to reliably rotate. The motor can generate torque by superposition of kinetic energy under the condition of ideal rotating speed and maximum torque efficiency, and the vehicle body is driven under different speed loads.
The input end of the invention rotates continuously, the kinetic energy accumulated at the input end is transmitted to the output end through the conduction of the electromagnet, and the kinetic energy is accumulated and released continuously.
Meanwhile, the invention is used as an induction motor, alternating current with certain frequency/voltage is introduced into the induction motor, the stator and the rotor in the induction motor can form the induction motor, the induction motor is in a high-efficiency state due to variable torque, the range of motor power and amplified power recovery required by the electric vehicle is further reduced, and lower speed and higher speed are achieved. Shortening the acceleration time.
The purpose provided by the invention is to greatly increase the traveling distance of the electric vehicle under the same battery capacity.
The use of the invention as an induction machine,
it is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a sectional view B-B of fig. 2.
Fig. 4 is an exploded view of the structure of the present invention.
FIG. 5 is a schematic rear view of the inner input tray.
Fig. 6 is a schematic structural view of a stator.
Fig. 7 is a force analysis diagram of the magnetic portion.
Fig. 8 is a table of experimental data.
Detailed Description
To facilitate understanding of those skilled in the art, the structure of the present invention will now be described in further detail by way of examples in conjunction with the accompanying drawings:
example one
Referring to fig. 1-6, a contactless slingshot gearbox comprising a housing 1, said housing 1 being provided with a power input 2 and a power output 5, said gearbox comprising:
a plurality of electromagnets 6, which are arranged at the power input end 2, wherein the electromagnets adopted in the embodiment are direct current suction cup type electromagnets 5030 (commercially available);
the power supply system is electrically connected to the electromagnets 6 and used for supplying power to the electromagnets 6;
the magnetic part 4 is used for attracting the electromagnet 6 when being electrified, and the magnetic part 4 comprises silicon steel sheets;
the output disc 3 is provided with the magnetic part 4, the output disc 3 is correspondingly arranged inside the input end 2, the output disc 3 is connected to the output end 5, and the output disc 3 is used for receiving the magnetic field of the electromagnet 6 and rotating along with the input end 2;
a control system (not shown) for receiving a control signal and adjusting the on-time duty cycle of the electromagnet 6 to vary the speed of the output disc 3.
Further, the input end 2 comprises an outer input disc 201 and an inner input disc 202, the outer input disc 201 is fixedly connected with the inner input disc 202, an output disc mounting cavity is formed between the outer input disc 201 and the inner input disc 202, the output disc 3 is arranged in the middle of the output disc mounting cavity, and the outer input disc 201 is connected to the engine.
Further, a plurality of electromagnet installation grooves are formed in the outer input disc 201 and the inner input disc 202 at equal angles, and the electromagnets 6 are installed in the electromagnet installation grooves.
Further, the electromagnet installation groove of the outer input disc 201 and the electromagnet installation groove of the inner input disc 202 are oppositely arranged.
Further, the power supply system comprises a rotor 702 and a stator 701, the stator 701 comprises an electromagnetic coil, and the stator 701 is used for electrifying and generating a magnetic field; the rotor 702 comprises an induction coil, the rotor 702 is used for receiving and cutting the magnetic field generated by the stator 701 so as to generate current, and the rotor 702 is electrically connected to the electromagnet 4. The rotor 702 is arranged at the power input 2. The stator 701 is disposed on the inner wall of the housing 1 at a position corresponding to the rotor 702. When the stator 701 is switched on with direct current, the control system receives a control signal and adjusts the on or off of the direct current, so as to adjust the on-time duty ratio of the electromagnet 4.
The working principle is as follows:
in the process of the rotation of the input end, the stator generates a magnetic field under the condition of conduction, the rotor cuts the magnetic field generated by the stator, the rotor generates certain electric potential energy, and the rotor drives the electromagnet to be electrified.
The control system controls the power-on time duty ratio of the stator, thereby controlling the conducting time duty ratio of the electromagnet. The electromagnet attracts the magnetic part to rotate along with the electromagnet. The on-time duty ratio of the electromagnet is controlled, so that the rotation energy ratio of the output disc can be controlled, and the energy of the input end is indirectly transmitted to the output disc.
Referring to fig. 7, (for convenience of illustration, only one set of electromagnets and one magnetic part are shown in the figure) during the rotation of the input end 2, when the electromagnets 6 are energized, the electromagnets 6 generate attraction force on the magnetic part 4, wherein the attraction force F1, F1 of the outer input disc on the magnetic part includes a transverse component and a longitudinal component, the attraction force F2, F2 of the inner input disc on the magnetic part 4 includes a transverse component and a longitudinal component, because the output disc is at the middle position between the inner input disc and the outer input disc, the longitudinal components of F1 and F2 are mutually offset, the transverse components are mutually superposed, and the electromagnets 6 at the upper end and the lower end apply force on the magnetic part 4 like a slingshot, thereby driving the output disc to rotate.
Example two
This embodiment is basically the same as the first embodiment, except that:
the electromagnet mounting groove of the outer input disc 201 and the electromagnet mounting groove of the inner input disc 202 are arranged in a staggered manner.
EXAMPLE III
The use of a contactless slingshot gearbox as an induction motor.
When the stator 701 conducts alternating current, the frequency and the voltage of the alternating current are adjusted, and the rotor 702 and the stator 701 form an induction motor.
The working principle is as follows:
the conventional induction motor uses the principle of electromagnetic induction, generates a rotating magnetic field by stator current, and generates electromagnetic torque by interaction with induced current in a rotor winding, so as to perform energy conversion. In the conventional induction motor, the rotor is inside the stator, in this embodiment, referring to fig. 3, the rotor 702 is below the stator 701, the stator 701 generates a changing magnetic field under the driving of an alternating current, the rotor 702 cuts the changing magnetic field to generate a changing current, the changing current inside the rotor 702 further generates a changing magnetic field, and the magnetic field of the rotor 702 and the magnetic field of the stator 701 attract or repel each other, thereby generating a driving force to drive the rotor 702 to rotate at a faster speed.
Experimental data
Referring to fig. 8, fig. 8 shows the specification of GT-R R35530 PS, the model of the transmission case is GR6, and the present invention includes data of both cases without and with final transmission, GTR 35 is the most excellent in mass production vehicles at present, the shift delay of GR6 is only 0.2 ms, the vehicle weight is 1736 kg, 530 engine with 612 nm, the front engine four-wheel drive has excellent aerodynamics and the vehicle model is close to the ideal condition, therefore, we select such vehicle data to calculate that most engines can be increased to 7000 rpm from about 1-2 seconds without loading the accelerator from the idle speed 600, and it can be seen from the acceleration data 3000 rpm increase to 5800 rpm, and we can find that "the gear ratio of the transmission case limits the acceleration performance", so we strive to objectively control both the gear ratio revolution and the revolution within the range.
The slingshot gearbox can be integrated with a final gear ratio, so that data including whether final transmission is available or not is different in that one more transmission part is worn, the number of gears is increased by one, gear shifting of the slingshot gearbox is generated by an idle ratio, and a linear speed change effect can be achieved dynamically.
The starting speed and the gear ratio of GR6 for the slingshot gearbox ensure that power does not slip when being transmitted by four wheels, the linear coming of the gear ratio of the second stage to 3.8:1 (or 9 (2.43 after conversion) which is less than the gear ratio of GR6 is still larger than the second stage 2.301:1, the non-slip of the second stage is ensured, the delay and the kinetic energy loss of two times of gear shifting are less in the third stage, the fourth stage is set to be slightly smaller than GR6, the acceleration of 0-100 is completed, the delay of 0.2 milliseconds is less and the gear ratio which is slightly larger than GR6 is less on the whole, and the acceleration is accelerated by linear change.
The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.
Claims (11)
1. Contactless catapult gearbox contains the casing, the casing is provided with power input end and power take off end, its characterized in that: the gearbox comprises:
the electromagnets are arranged at the power input end;
the power supply system is electrically connected to the electromagnets and used for supplying power to the electromagnets;
the magnetic part is used for attracting the electromagnet when being electrified;
the output disc is provided with the magnetic part, is correspondingly arranged inside the input end and is connected to the output end, and the output disc is used for receiving the magnetic field of the electromagnet and rotates along with the input end;
and the control system is used for receiving a control signal and adjusting the on-time duty ratio of the electromagnet so as to change the speed of the output disc.
2. The contactless slingshot gearbox of claim 1, wherein: the input end comprises an outer input disc and an inner input disc, the outer input disc is fixedly connected with the inner input disc, an output disc installation cavity is formed between the outer input disc and the inner input disc, the output disc is arranged in the middle of the output disc installation cavity, and the outer input disc is connected to the engine.
3. The contactless slingshot gearbox of claim 2, wherein: the outer input disc and the inner input disc are provided with a plurality of electromagnet mounting grooves at equal angles, and the electromagnets are mounted in the electromagnet mounting grooves.
4. The contactless slingshot gearbox of claim 3, wherein: the electromagnet mounting groove of the outer input disc and the electromagnet mounting groove of the inner input disc are arranged in a staggered mode or in an opposite mode.
5. The contactless slingshot gearbox of claim 1, wherein: the power supply system comprises a rotor and a stator, wherein the stator comprises an electromagnetic coil, and is used for electrifying and generating a magnetic field; the rotor comprises an induction coil, the rotor is used for receiving and cutting the magnetic field generated by the stator so as to generate current, and the rotor is electrically connected to the electromagnet.
6. The contactless slingshot gearbox of claim 5, wherein: the rotor is arranged at the power input end.
7. The contactless slingshot gearbox of claim 6, wherein: the stator is arranged on the inner wall of the shell and corresponds to the position of the rotor.
8. The contactless slingshot gearbox of claim 7, wherein: when the stator is conducted with direct current, the control system receives a control signal and adjusts the conduction or the disconnection of the direct current, so that the conduction time duty ratio of the electromagnet is adjusted.
9. The contactless slingshot gearbox of claim 1, wherein: the magnetic part comprises a silicon steel sheet.
10. Use of a contactless slingshot gearbox according to any one of claims 5-7 as an induction motor.
11. Use according to claim 10, characterized in that: when the stator conducts alternating current, the frequency and the voltage of the alternating current are adjusted, and the rotor and the stator form an induction motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010148334.9A CN111342635B (en) | 2020-03-05 | 2020-03-05 | Contactless slingshot gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010148334.9A CN111342635B (en) | 2020-03-05 | 2020-03-05 | Contactless slingshot gear box |
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| Publication Number | Publication Date |
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| CN111342635A true CN111342635A (en) | 2020-06-26 |
| CN111342635B CN111342635B (en) | 2022-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010148334.9A Active CN111342635B (en) | 2020-03-05 | 2020-03-05 | Contactless slingshot gear box |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1694339A (en) * | 2005-03-03 | 2005-11-09 | 广州汽车工业集团有限公司 | Electromagnetic coupling variable-speed drive system |
| CN1925277A (en) * | 2005-08-29 | 2007-03-07 | 丁振荣 | Alternating current synchronous motor based on three-phase rotary transformer technology, alternating current wound rotor motor and arrangements for speed regulation |
| CN101110547A (en) * | 2006-07-17 | 2008-01-23 | 何晓继 | Flywheel energy accumulating type magnetic moment-changing and speed-changing device |
| CN101826788A (en) * | 2010-04-27 | 2010-09-08 | 谭晓婧 | Self-adaptive electromagnetic clutch |
| CN202172355U (en) * | 2011-07-23 | 2012-03-21 | 鞍山钦元节能设备制造有限公司 | Combined type electromagnetic speed regulation system |
| CN205960930U (en) * | 2016-08-23 | 2017-02-15 | 贾建伟 | Multi -functional transmission of permanent magnetism |
| KR20190109721A (en) * | 2019-09-08 | 2019-09-26 | 신철호 | the alternating current generator which develops only when escaping from the magnetic field |
-
2020
- 2020-03-05 CN CN202010148334.9A patent/CN111342635B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1694339A (en) * | 2005-03-03 | 2005-11-09 | 广州汽车工业集团有限公司 | Electromagnetic coupling variable-speed drive system |
| CN1925277A (en) * | 2005-08-29 | 2007-03-07 | 丁振荣 | Alternating current synchronous motor based on three-phase rotary transformer technology, alternating current wound rotor motor and arrangements for speed regulation |
| CN101110547A (en) * | 2006-07-17 | 2008-01-23 | 何晓继 | Flywheel energy accumulating type magnetic moment-changing and speed-changing device |
| CN101826788A (en) * | 2010-04-27 | 2010-09-08 | 谭晓婧 | Self-adaptive electromagnetic clutch |
| CN202172355U (en) * | 2011-07-23 | 2012-03-21 | 鞍山钦元节能设备制造有限公司 | Combined type electromagnetic speed regulation system |
| CN205960930U (en) * | 2016-08-23 | 2017-02-15 | 贾建伟 | Multi -functional transmission of permanent magnetism |
| KR20190109721A (en) * | 2019-09-08 | 2019-09-26 | 신철호 | the alternating current generator which develops only when escaping from the magnetic field |
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| Publication number | Publication date |
|---|---|
| CN111342635B (en) | 2022-02-22 |
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