CN204858871U - Little little dc motor multiaxis changes unipolar output translator - Google Patents
Little little dc motor multiaxis changes unipolar output translator Download PDFInfo
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- CN204858871U CN204858871U CN201520701581.1U CN201520701581U CN204858871U CN 204858871 U CN204858871 U CN 204858871U CN 201520701581 U CN201520701581 U CN 201520701581U CN 204858871 U CN204858871 U CN 204858871U
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Abstract
The utility model provides a little little dc motor multiaxis changes unipolar output translator, its characterized in that includes a plurality of drive gear, a power output gear, electronic controller, tacho sensor and many sets of motor system matcing of drive gear quantity, every drive gear of is by one set of motor system single control, and each motor system is equipped with solitary small -size or drive gear 1 motor, drive gear 2 and drive gear 3 respectively, power output gear passes through the shaft and is connected with the load, in the power take off pivot that drive gear installed at dc motor, mesh mutually with the power take off gear, motor drive, tacho sensor are connected with electronic controller respectively. The utility model discloses an independent miniwatt power of dispersion is the small power motor power supply, and mechanical energy output that will many little dc motor stacks up and converts the monoaxial machine capability into and export, can reduce the influence of individual motor instability to whole power take off.
Description
Technical field
The utility model belongs to mechanical field, is specifically related to a kind of little direct electric current motivation multiaxis and turns single shaft output translator.
Background technology
Small-sized or miniature cocurrent electromotor (hereinafter referred to as little direct electric current motivation) accordingly often will be used in the Micro Electro Mechanical System (MEMS) of miniature photography equipment, electronic toy, little direct electric current motivation has the advantages that volume is little, lightweight, power supply energy is weak and motor output mechanical power is little, easily be subject to the impact of mains voltage variations and the performance of motor own, power output can not remain stable.
Utility model content
Technical purpose of the present utility model is to provide a kind of transducer for Micro Electro Mechanical System Power output, multiaxis input is converted to single shaft and exports, improve the stability of Micro Electro Mechanical System take-off output.
Technical scheme disclosed in the utility model is:
A kind of little direct electric current motivation multiaxis turns single shaft output translator, it is characterized in that, comprise multiple travelling gear, one power output gear, electronic controller, gear shaft tachogenerator and the many covers electric system with travelling gear quantity Matching, each motor gearhead is controlled separately by a set of electric system, each electric system is respectively equipped with independent small-sized or miniature cocurrent electromotor, motor drive and power module, described power output gear is connected with load by wheel shaft, described travelling gear is arranged on the wheel shaft of DC motor, be meshed with power output gear, described motor drive, gear shaft tachogenerator are connected with electronic controller respectively.
On the basis of such scheme, technical scheme that is preferred or that improve also comprises further:
Described electronic controller is provided with signal of telecommunication sample circuit, and described power module is connected with electronic controller by signal of telecommunication sample circuit.
The power module of described DC motor preferably adopts button cell, as CR2032 battery etc.
Described tachogenerator preferably adopts infrared ray tachogenerator, for monitoring the rotating speed of power output gear and wheel shaft.
Described power output gear is meshed with three travelling gears arranged in isosceles triangle.
Described electronic controller adopts MSP430f169 chip, and described motor drive adopts DRV8837 chip.
Beneficial effect:
The utility model converter is a kind of for electronically controlled mechanical energy converting means, employing disperses independently small-power power to be that small power motor is powered, the mechanical energy of little for multiple stage direct electric current motivation is exported the machine capability being converted to single shaft that stacks up to export, achieve the multiplication of machine capability, reduce the impact that individual motor unsteadiness exports integral power.Meanwhile, disperse independently supply power mode to also reduce capacity, the volume and weight of power supply, be convenient to space structure and the shape of optimizing drive system.Motor in the utility model can be highly consistent rotating speed rotating in same direction, also by the combination that difference turns to, realize the performance of flexibly braking and speed governing, effectively the electronic product dynamical system such as raising photographic goods is to the precision of motion control.
Accompanying drawing explanation
Fig. 1 be power output gear with travelling gear coordinate schematic diagram;
Fig. 2 is the circuit theory diagrams of armature, power supply and motor drive;
Fig. 3 is the overall work schematic diagram of the utility model converter.
Embodiment
In order to illustrate the technical solution of the utility model and technical purpose, below in conjunction with drawings and the specific embodiments, the utility model is described further.
A kind of little direct electric current motivation multiaxis turns single shaft output translator, comprises multiple travelling gear, a power output gear 4, electronic controller and the gear shaft tachogenerator be connected with electronic controller respectively and overlaps electric system more.
Each electric system is provided with independent small-sized or miniature cocurrent electromotor, motor drive and power module, and described travelling gear is arranged on the wheel shaft 6 of DC motor, and a DC motor drives a travelling gear.In each electric system, motor drive, power module and motor armature are connected into loop, as described in Figure 2.Described power module is connected with electronic controller by signal of telecommunication sample circuit, signal of telecommunication sample circuit is sampled to power module voltage signal, and sampled signal is transferred to electronic controller, enable electronic controller monitor the situation of change of power module voltage in real time.Described motor drive is connected with electronic controller, receives the instruction that electronic controller exports, and regulates the voltage being applied to motor armature two ends, reaches the effect controlling armature supply and torque.Described power module can adopt button cell.
Each travelling gear engages with power output gear 4 respectively, and described power output gear 4 is connected with load by wheel shaft 5, transfers to load by after the output energy supposition of multiple stage direct current machine.
Described gear shaft tachogenerator is connected with electronic controller, for monitoring the rotating speed of power output gear and wheel shaft.
Described electronic controller is the control device that core forms by microcontroller, it is according to the requirement of load to rotating speed, integrated treatment is carried out to the feedback signal of gear shaft tachogenerator and the sampled signal of each motor power module voltage, control each motor drive respectively, make Power output wheel shaft produce expection rotating speed, make each motor under same rotational speed, have rational torque and export.
A specific embodiment as shown in Figure 1, Figure 3:
The present embodiment converter adopts 3V DC motor, MSP430f169 chip selected by MPU electronic controller, motor drive selects DRV8837 chip, power module selects 3V battery CR2032, the gearratio of motor gearhead axle and power output gear axle is k, and infrared ray tachogenerator selected by the tachogenerator detecting power output gear and wheel shaft rotating speed.Three motor gearhead 1,2,3 are arranged in all sides of power output gear 4 in isosceles triangle.
After startup, within the scope of electric motor normal working, electronic controller to the output signal sampling of the voltage of electric electromechanics source module and gear shaft tachogenerator and and set point compare, process.Because motor gearhead and power output gear mesh together mechanically, therefore their rotating speed has fixed proportion relation, and three motor have identical rotating speed.As shown in Figure 3, the supply voltage of the electric system of respective motor and travelling gear 1 is U1, and Driving Torque is T1; The supply voltage of the electric system of respective motor and travelling gear 2 is U2, and Driving Torque is T2; The supply voltage of the electric system of respective motor and travelling gear 3 is U3, and Driving Torque is T3; Can be obtained by the mechanical characteristic equation formula of DC motor:
n1＝k11*U11-k12*T1
n2＝k21*U22-k22*T2
n3＝k31*U33-k32*T3
Wherein, ki1, ki2 be respectively by each electric motor structure determine be greater than zero constant.Ni is respectively the rotating speed of motor gearhead axle i.Here i=1,2,3.The mechanical characteristic equation formula of above-mentioned three DC motor has following constraints:
n1＝n2＝n3＝k*n
In above formula, k is gearratio, and n is the rotating speed of power output gear axle.
Therefore when specifying n, MPU electronic controller just can based on U1, U2, U3 and n, make power output gear axle when to specify rotating speed n to run by U11, U22, the U33 in motor drive dynamic adjustments above formula, if do not consider mechanical loss when transmitting, then machine torque exports and meets following formula:
T≌T1+T2+T3
Thus the mechanical energy achieving three little direct electric current motivations, three axles exports the mechanical energy output stacking up and be converted to single shaft.
Three above-mentioned DC motor can be run simultaneously, also can selectively run; Can keep the equidirectional rotating speed of high consistency, the combination that also can be turned to by motor difference, realizes the performance of braking or speed governing flexibly.
On the basis of above-described embodiment, with the change according to physical space condition, the number of increase or less motor is all feasible, and the utility model also extends to the Mechatronic Systems of larger motor driven through improving.
More than show and describe general principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and the claimed scope of the utility model is defined by appending claims, specification and equivalent thereof.
Claims (7)
1. one kind little direct electric current motivation multiaxis turns single shaft output translator, it is characterized in that, comprise multiple travelling gear, one power output gear, electronic controller, tachogenerator and the many covers electric system with travelling gear quantity Matching, each motor gearhead is controlled separately by a set of electric system, each electric system is respectively equipped with independent small-sized or miniature cocurrent electromotor, motor drive and power module, described power output gear is connected with load by wheel shaft, described travelling gear is arranged in the Power output rotating shaft of DC motor, be meshed with power output gear, described motor drive, tachogenerator are connected with electronic controller respectively.
2. one according to claim 1 little direct electric current motivation multiaxis turns single shaft output translator, it is characterized in that, described electronic controller is provided with signal of telecommunication sample circuit, and described power module is connected with electronic controller by signal of telecommunication sample circuit.
3. one according to claim 1 little direct electric current motivation multiaxis turns single shaft output translator, it is characterized in that, the power module of described DC motor is button cell.
4. kind according to claim 1 little direct electric current motivation multiaxis turns single shaft output translator, it is characterized in that, described power module is 3V battery CR2032.
5. kind according to claim 1 little direct electric current motivation multiaxis turns single shaft output translator, it is characterized in that, described tachogenerator is infrared ray tachogenerator, for monitoring the rotating speed of power output gear and wheel shaft.
6. kind according to claim 1 little direct electric current motivation multiaxis turns single shaft output translator, it is characterized in that, described power output gear is meshed with three travelling gears arranged in isosceles triangle.
7. the little direct electric current motivation of the kind according to any one of claim 1-6 multiaxis turns single shaft output translator, it is characterized in that, described electronic controller adopts MSP430f169 chip, and described motor drive adopts DRV8837 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520701581.1U CN204858871U (en) | 2015-09-10 | 2015-09-10 | Little little dc motor multiaxis changes unipolar output translator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520701581.1U CN204858871U (en) | 2015-09-10 | 2015-09-10 | Little little dc motor multiaxis changes unipolar output translator |
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| CN204858871U true CN204858871U (en) | 2015-12-09 |
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| CN201520701581.1U Expired - Fee Related CN204858871U (en) | 2015-09-10 | 2015-09-10 | Little little dc motor multiaxis changes unipolar output translator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105610277A (en) * | 2016-03-04 | 2016-05-25 | 石策略 | High-power electric engine |
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2015
- 2015-09-10 CN CN201520701581.1U patent/CN204858871U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105610277A (en) * | 2016-03-04 | 2016-05-25 | 石策略 | High-power electric engine |
| CN105610277B (en) * | 2016-03-04 | 2018-12-21 | 东莞市天孚电机科技有限公司 | A kind of high pass filter electric motor |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20160910 |