Generating heat dissipation type DC brushless motor
Technical field
The present invention relates to DC brushless motor, particularly relate to a kind of generating heat dissipation type DC brushless motor.
Background technology
DC brushless motor needs DC brushless motor controller to be controlled when using.China Patent No. be 2009100373788, authorized announcement date be August 25 in 2010 day, be called disclosed in the patent document of " DC brushless motor controller of a kind of integrating various input signal interface circuits and control method thereof " connected mode of a kind of DC brushless motor controller and DC brushless motor.DC brushless motor is controlled by existing DC brushless motor such all external DC brushless motor controller all as disclosed in that patent, and namely power supply connects DC brushless motor controller, then DC brushless motor controller and connects DC brushless motor.Above connected mode has the disadvantage that needs configuration controls box and installs and protect DC brushless motor controller; need scene to carry out coordinating test when DC brushless motor controller is connected with DC brushless motor, cause using inconvenience, structural compactness poor, relatively costly.
Additionally heat produced by existing DC brushless motor controller and stator (coil place) does not only carry out reasonably recycling but also needs to expend electricity and go to drive electric fan to dispel the heat, and therefore existing DC brushless motor there is also the problem that energy consumption is high.
Summary of the invention
The invention provides a kind of compact conformation, the generating heat dissipation type DC brushless motor that easy to use, energy consumption is low, solve the problem using inconvenience, structural compactness poor, relatively costly existing for existing DC brushless motor, problem that energy consumption is high.
nullMore than technical problem is that and solved by following technical proposal: a kind of generating heat dissipation type DC brushless motor,Including DC brushless motor body,Described DC brushless motor body includes shell、It is positioned at the stator of shell and is positioned at the rotor of stator,It is characterized in that,Also include the DC brushless motor controller being positioned at described shell、First thermo-electric generation pipe、Second thermo-electric generation pipe and the accumulator powered to described DC brushless motor controller,The power output end of described first thermo-electric generation pipe and the second thermo-electric generation pipe links together with described storage battery,The temperature end of described first thermo-electric generation pipe links together with described stator、Low-temperature end links together with described shell,The temperature end of described second thermo-electric generation pipe links together with described DC brushless motor controller、Low-temperature end links together with described shell,Between described stator and described shell, thermal insulation links together.By DC brushless motor controller being arranged on the inside of direct current generator body housing, debug by the matching of DC brushless motor controller and DC brushless motor body when Motor Production Test, so namely need not arrange again control box DC brushless motor controller is installed, debugs also without scene, thus play improve use time convenience, structure compactedness and reduce cost purpose.Installation thermo-electric generation pipe absorbs heat produced by stator and controller to carry out generating electricity to play the effect that stator and controller are lowered the temperature, and be used for driving controller by produced electricity, therefore heat produced by stator and controller is obtained recycling, not only power consumption need not going stator and controller are dispelled the heat, but also the electricity estimating controller can being reduced thus playing the effect reducing energy consumption separately.
As preferably, the temperature end of described first thermo-electric generation pipe is provided with heat-absorbing chamber, and the outer surface of described heat-absorbing chamber is coated with heat insulation layer, and described stator is contained in described heat-absorbing chamber, and described stator is linked together with described shell thermal insulation by described heat insulation layer.Can effectively prevent heat produced by stator from passing to shell such that it is able to effectively to maintain the temperature end of generating pipe and the temperature difference of low-temperature end, it is possible to increase the recovering effect to the heat that stator produces, well then cooling-down effect is all right for recovering effect.
As preferably, described shell is provided with vibration isolation base, and described vibration isolation base includes the buoyant raft and the pedestal that are sequentially distributed from top to down, is all attached by vibration isolator between described buoyant raft and described pedestal and between described buoyant raft and described shell.The vibration that when can reduce use, motor body produces passes to the amount of the parts (being generally the frame of equipment) that same motor body is connected so that the produced vibration of equipment being provided with the present invention is little.
As preferably, described vibration isolator includes the isolation spring being vertically arranged and the support bar being vertically arranged, described support bar be provided with some can horizontal extension and insert the pressure pin between the turn of described isolation spring, described pressure pin is distributed along the vertical direction, and the lower end of described isolation spring is linked together with described support bar by described pressure pin.During use, when the natural frequency of the vibration isolator that the frequency of vibration of motor body is located between motor body and buoyant raft is identical, then adjusts the frequency of this vibration isolator and prevent this vibration isolator from producing resonance;When the natural frequency of the vibration isolator that the frequency of vibration of buoyant raft is located between valve body and pedestal is identical, then to adjust the frequency of this vibration isolator different and prevent this vibration isolator from producing resonance with the frequency of vibration of buoyant raft.The method of adjustment of the frequency of vibration isolator is: the turn because being only located at the top of the pressure pin of insertion in isolation spring vibration processes participates in vibration (with the turn of the top of the pressure pin that is namely only located at insertion for effective turn), the number of active coils changing isolation spring between the turn of isolation spring by making different pressure pins be inserted into, thus realizing the change to isolation spring frequency of vibration, realizing the fm role to vibration isolator.During frequency modulation conveniently.
As preferably, described pressure pin is provided with pressure pin indentation spring, and described support bar is tubular structure, and described pressure pin is arranged in described support bar, is provided with liftable pressure pin angled slide block in described support bar.Pressure pin the inner withstood by pressure pin angled slide block, then pressure pin outer end be inserted in isolation spring, otherwise under the effect of indentation spring, the outer end of pressure pin is not inserted in isolation spring.During flexible pressure pin convenient and strength-saving.
Present invention additionally comprises the first frequency of vibration detecting device, the second frequency of vibration detecting device and the control unit that are electrically connected, described vibration isolator also includes angled slide block lifting motor;Described control unit for going the change of the eigentone driving the number of active coils that the lifting of pressure pin angled slide block reaches to change isolation spring to change the pressure pin inserted in isolation spring to realize isolation spring thus avoiding producing resonance when vibration isolator produces resonance by angled slide block lifting motor.Achieve automatic frequency adjustment to avoid producing resonance.
As preferably, described buoyant raft includes housing and is positioned at the energy-absorbing support of housing, the side all around of described housing is provided with deformation bullport, described energy-absorbing support includes the upper substrate being distributed along the vertical direction, middle substrate and infrabasal plate, some upper bearing diagonal plates it are provided with between upper substrate and middle substrate, upper substrate, horizontally extending upper deformation passage is surrounded between middle substrate and upper bearing diagonal plate, some declivity gripper shoes it are provided with between infrabasal plate and middle substrate, infrabasal plate, lower deformation passage is surrounded between middle substrate and declivity gripper shoe, the bearing of trend of lower deformation passage is identical with the bearing of trend of upper deformation passage.This structure both ensure that the structural strength of buoyant raft, in turn ensure that the intensity of integrally bending and torsion when making buoyant raft be platy structure, alleviate the weight of buoyant raft simultaneously, save material, allow the design of vibration isolator be provided with greater flexibility, to improve the vibration isolating effect of buoyant raft.Therefore the buoyant raft of this structure had both had the compact conformation of board-like buoyant raft, take up room advantage little, tailored appearance, has again the advantage that truss-like buoyant raft vibration isolating effect is good.
As preferably, described upper bearing diagonal plate and declivity gripper shoe are all corrugated plating, and described upper bearing diagonal plate is identical with the bearing of trend of upper deformation passage with the bearing of trend of the groove of the ripple in declivity gripper shoe.The energy-absorbing effect of energy-absorbing support can be improved.
As preferably, the two ends of described upper deformation passage and lower deformation passage are provided with end cap, in described upper bearing diagonal plate on adjacent declivity gripper shoe between adjacent lower deformation passage and be designed with damp channel on middle substrate position between adjacent upper deformation passage and lower deformation passage in upper bearing diagonal plate between deformation passage, described declivity gripper shoe, be filled with liquid in described upper deformation passage and lower deformation passage.Buoyant raft impact vibrated and liquid can be promoted back and forth to flow between different deformation passages through damp channel when being deformed, liquid and damp channel produce friction and vibrational energy are changed into heat energy, thus playing vibration isolation effect.
As preferably, being provided with the energy-absorbing bar being suspended in described liquid in described upper deformation passage and lower deformation passage, the bearing of trend of described energy-absorbing bar is identical with the bearing of trend of described upper deformation passage.When buoyant raft is subject to frequency low-amplitude vibration, then deformation passage will not be deformed, and indeformable then liquid will not flow in damp channel, therefore frequency low-amplitude vibration is not easy to be eliminated.Now energy-absorbing bar can produce to rock and produce friction thus frequency low-amplitude vibrational energy is effectively eliminated with liquid.The energy-absorbing vibration isolating effect of the present invention can be improved further.
The present invention has an advantage that and is built in DC brushless motor shell by DC brushless motor controller, defines mechanical, electrical, to control integration DC brushless motor, and convenience, compact conformation during use, cost is low, reduce motor electromagnetic noise;Heat that stator and controller produce is absorbed with the heat that realizes cooling and this of stator and controller are siphoned away for the driving controller that generates electricity, therefore, it is possible to reduce the energy consumption of motor by thermo-electric generation pipe.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention one.
Fig. 2 is the front elevational schematic of the embodiment of the present invention two.
Fig. 3 is the close-up schematic view at A place in Fig. 2.
Fig. 4 is the close-up schematic view at B place in Fig. 3.
Fig. 5 is the front elevational schematic of the energy-absorbing support in embodiment two.
Fig. 6 is the close-up schematic view at C place in Fig. 5.
Fig. 7 is the front elevational schematic of the energy-absorbing support in the embodiment of the present invention three.
Fig. 8 is the close-up schematic view at D place in Fig. 7.
nullIn figure: DC brushless motor body 1、Shell 11、Stator 12、Rotor 13、Bearing 14、First frequency of vibration detecting device 15、DC brushless motor controller 2、First thermo-electric generation pipe 3、Heat-absorbing chamber 31、Heat insulation layer 32、Vibration isolator 4、Isolation spring 41、The support bar 42 being vertically arranged、Angled slide block lifting motor 43、Upper binding head 44、Lower union joint 45、Pressure pin angled slide block 46、Upper approaching face 461、Lower approaching face 462、Screw rod 47、Pressure pin 48、Pressure pin indentation spring 49、Second thermo-electric generation pipe 5、Absorber plate 51、Accumulator 6、Pedestal 7、Buoyant raft 8、Housing 81、Deformation bullport 811、Energy-absorbing support 82、Upper substrate 821、Middle substrate 822、Infrabasal plate 823、Upper bearing diagonal plate 824、Upper deformation passage 825、Declivity gripper shoe 826、Lower deformation passage 827、The groove 828 of ripple、End cap 829、Damp channel 820、Second frequency of vibration detecting device 83、Energy-absorbing bar 84、Rolling groove 841、Control unit 9.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further illustrated with embodiment.
Embodiment one, referring to Fig. 1, a kind of generating heat dissipation type DC brushless motor, including DC brushless motor body 1, DC brushless motor controller the 2, first thermo-electric generation pipe the 3, second thermo-electric generation pipe 5 and accumulator 6.
DC brushless motor body 1 includes shell 11, is positioned at the stator 12 of shell and is positioned at the rotor 13 of stator.The two ends of rotor 13 are supported in shell 11 by bearing 14.
DC brushless motor controller 2 is positioned at shell 11.Wire 21 one end passes shell 11, the other end links together with DC brushless motor controller 2.
First thermo-electric generation pipe 3 is positioned at shell 11.The temperature end of the first thermo-electric generation pipe 3 is provided with heat-absorbing chamber 31.The outer surface of heat-absorbing chamber 31 is coated with heat insulation layer 32.Stator 12 is contained in heat-absorbing chamber 31.Stator 12 is linked together with shell 11 thermal insulation by heat insulation layer 32.
Full heat-conducting glue (heat-conducting glue does not draw in the drawings) is filled between heat-absorbing chamber 31 and stator 12.It can be avoided that heat absorption can not timely respond to that the temperature of stator raises and the stator that causes damages phenomenon.Improve sensitivity during generating.
The low-temperature end of the first thermo-electric generation pipe 3 links together with shell 11.
The temperature end of the second thermo-electric generation pipe 5 is provided with absorber plate 51.Absorber plate 51 is fitted on DC brushless motor controller 2.The low-temperature end of the second thermo-electric generation pipe 5 links together with shell 11.
The input of accumulator 6 is electrically connected with the power output end of the first thermo-electric generation pipe 3 and the power output end of the second thermo-electric generation pipe 5, and namely the first thermo-electric generation pipe 3 and the second thermo-electric generation pipe 5 are for charging to accumulator 6.The output of accumulator 6 is colluded DC brushless motor controller 2 and is linked together, and namely accumulator 6 is for powering to DC brushless motor controller 2.
During use, carry power supply (power supply of supply motor body) and control signal to DC brushless motor controller 2 by wire 21.DC brushless motor controller 2 controls DC brushless motor body 1 according to the signal of input and operates.Stator 12 discharges heat and causes making when temperature rises the generation temperature difference between heat-absorbing chamber 31 and shell 11, and the first thermo-electric generation pipe 3 absorbs the heat of stator generation and generates electricity, and what the first thermo-electric generation pipe 3 sent is stored electronically in accumulator 6.Produce heat when DC brushless motor controller 2 works and cause making when temperature rises the generation temperature difference between absorber plate 51 and shell 11, making the second thermo-electric generation pipe 5 absorb the heat of DC brushless motor controller 2 generation and generate electricity, the electricity that the second temperature difference discharge tube 5 sends also is stored in accumulator 6.Accumulator 6 provides the electricity that DC brushless motor controller 2 is required when working.
Embodiment two, referring to Fig. 2, is provided with vibration isolation base in shell 11 on the basis of embodiment one.Vibration isolation base includes the buoyant raft 8 and the pedestal 7 that are sequentially distributed from top to down.Shell 11 is connected on buoyant raft 8 by several vibration isolators 4.Buoyant raft 8 is connected on pedestal 7 by several vibration isolators 4.It is specially vibration isolator 4 and has 8 (figure can only see 4).4 vibration isolators in 8 vibration isolators 4 are used for that machine shell 11 is supported on buoyant raft 8, other 4 vibration isolators are used for buoyant raft 8 is supported on pedestal 7.The vibration isolator of connected with outer casing 11 and buoyant raft 8 staggers with the vibration isolator connecting buoyant raft 8 and pedestal 7.The wideband vibration transmission between shell 11 and pedestal 7 can be reduced.
Shell 11 is provided with the first frequency of vibration detecting device 15.First frequency of vibration detecting device 15 is for detecting the frequency of the produced vibration of DC brushless motor body 1.First frequency of vibration detecting device 15 is the device of existing detection frequency.First frequency of vibration detecting device 15 and control unit 9 are electrically connected.
Buoyant raft 8 is provided with the second frequency of vibration detecting device 83.Second frequency of vibration detecting device 83 for detect buoyant raft 8 vibrated time produced vibration frequency.Second frequency of vibration detecting device 83 is identical with the structure of the first frequency of vibration detecting device 15.Second frequency of vibration detecting device 83 and control unit 9 are electrically connected.Buoyant raft 8 is platy structure.Buoyant raft 8 includes housing 81 and is positioned at the energy-absorbing support 82 of housing.The side all around of housing 81 is provided with deformation bullport 811.Deformation bullport 811 is elliptical aperture.Guiding when having the beneficial effect that housing distortion for elliptical aperture is effective.The major axis of deformation bullport 811 place ellipse is horizontally extending.Horizontally extending has the beneficial effect that the energy-absorbing effect that can improve housing shell.
Vibration isolator 4 includes the isolation spring 41 being vertically arranged, the support bar 42 being vertically arranged, angled slide block lifting motor 43, upper binding head 44 and lower union joint 45.The upper end of isolation spring 41 links together with upper binding head 44.Isolation spring 41 is set on support bar 42.Isolation spring 41 is stage clip.The lower end of support bar 42 links together with lower union joint 45.Angled slide block lifting motor 43 is fixed on the upper end of support bar 42.Angled slide block lifting motor 43 and control unit 9 are electrically connected.
Buoyant raft is identical with the connected mode of vibration isolator with both buoyant rafts with shell with the connected mode of vibration isolator with both pedestals.Hereinafter both shell and buoyant raft are illustrated with the connected mode of vibration isolator.
Referring to Fig. 3, lower union joint 45 is movably connected on housing 81 by mating spherical surfaces.Upper binding head 44 is movably connected with shell 11.It it is mating spherical surfaces between upper binding head 44 and shell 11.Between vibration isolator and connected parts for mating spherical surfaces flexible connection have the beneficial effect that the vibration force that can disperse on non-above-below direction, thus overcoming the problem that the vibration of above-below direction can only be effectively isolated by existing vibration isolator.
Support bar 42 runs through upper binding head 44 and shell 11.Support bar 42 is tubular structure.Pressure pin angled slide block 46 and screw rod 47 it is provided with in support bar 42.The upper end of pressure pin angled slide block 46 is provided with approaching face 461.The lower end of pressure pin angled slide block 46 is provided with lower approaching face 462.Pressure pin angled slide block 46 is threaded on screw rod 47.Screw rod 47 is parallel with support bar 42.Screw rod 47 links together with the power output shaft of angled slide block lifting motor 43.Support bar 42 is provided with some pressure pins 48 extending radially through support bar.Pressure pin 48 is distributed along the vertical direction.The lower end of isolation spring 41 is inserted in by pressure pin 48 and links together with support bar 42 between the turn of isolation spring 41.
Referring to Fig. 4, pressure pin 48 is provided with pressure pin indentation spring 49.When the inner of pressure pin 48 abuts to pressure pin angled slide block 46, then the outer end of pressure pin 48 be inserted between the turn of isolation spring 41;Towards support bar 42 internal motion, the outer end of pressure pin 48 is not inserted between the turn of isolation spring 41 when the inner of pressure pin 48 does not abut to pressure pin angled slide block 46, then at the effect lower supporting rod 48 of pressure pin indentation spring 49.
Referring to Fig. 5, energy-absorbing support includes the upper substrate 821, middle substrate 822 and the infrabasal plate 823 that are distributed along the vertical direction.Some upper bearing diagonal plates 824 it are provided with between upper substrate 821 and middle substrate 822.Some horizontally extending upper deformation passages 825 are surrounded between upper substrate 821, middle substrate 822 and upper bearing diagonal plate 824.Upper deformation passage 825 is triangular duct.Some declivity gripper shoes 826 it are provided with between infrabasal plate 823 and middle substrate 822.Some horizontally extending lower deformation passages 827 are surrounded between infrabasal plate 823, middle substrate 822 and declivity gripper shoe 826.Lower deformation passage 827 is triangular duct.
Referring to Fig. 6, upper bearing diagonal plate 824 and declivity gripper shoe 826 are all corrugated plating.Upper bearing diagonal plate is identical with the bearing of trend of upper deformation passage 825 with the bearing of trend of the groove 828 of the ripple in declivity gripper shoe.
During use, referring to Fig. 2 to Fig. 6, pedestal 7 is fixed in the frame installing the present invention.First frequency of vibration detecting device 15 is by the shell 11(detected and motor body) frequency of produced vibration flows to control unit 9, and the frequency of the produced vibration of buoyant raft 8 detected is flowed to control unit 9 by the second frequency of vibration detecting device 83.
First control unit 9 makes the vibration isolator discord shell 11 of connected with outer casing 11 and buoyant raft 8 produce resonance.
Specifically avoid connected with outer casing 11 and the vibration isolator of buoyant raft 8 with the process that shell 11 produces resonance to be: the value (hereinafter referred to as resonance number of turns value) of the number of active coils of isolation spring corresponding when calculating frequency that connected with outer casing 11 and the vibration isolator of buoyant raft 8 detect with the first frequency of vibration detecting device 15 for natural frequency, and then whether judge that the isolation spring of this vibration isolator (i.e. the vibration isolator of connected with outer casing 11 and buoyant raft 8) is positioned at the value (hereinafter referred to as coil numerical value) of the number of coils above the pressure pin inserting isolation spring equal with the number of turns value that resonates;If it is equal, control unit 9 makes this vibration isolator carry out following action: angled slide block lifting motor 43 drives screw rod 47 to rotate, it is inserted in isolation spring even if screw rod 47 drives pressure pin angled slide block 46 to be elevated on the inner of the pressure pin withstanding on other other pressure pin, so that the coil numerical value of isolation spring changes, thus avoiding the vibration isolator of connected with outer casing 11 and buoyant raft 8 and shell 11 to produce resonance.
Control unit 9 makes the vibration isolator discord buoyant raft 8 of connection buoyant raft 8 and pedestal 7 produce resonance again.
Specifically avoid connecting buoyant raft 8 and the vibration isolator of pedestal 7 and with the process that buoyant raft 8 produces resonance be: calculate the value (hereinafter referred to as resonance number of turns value) of the number of active coils of isolation spring corresponding when connecting frequency that buoyant raft 8 and the vibration isolator of pedestal 7 detect with the second frequency of vibration detecting device 83 for natural frequency, and then whether judge that the isolation spring in this vibration isolator (namely connecting the vibration isolator of buoyant raft 8 and pedestal 7) is positioned at the value (hereinafter referred to as coil numerical value) of the number of coils above the pressure pin inserting isolation spring equal with resonance number of turns value;If it is equal, control unit 9 makes this vibration isolator carry out following action: angled slide block lifting motor 43 drives screw rod 47 to rotate, it is inserted in isolation spring even if screw rod 47 drives pressure pin angled slide block 46 to be elevated on the inner of the pressure pin withstanding on other other pressure pin, so that the coil numerical value of isolation spring changes, thus avoiding connecting the vibration isolator of buoyant raft 8 and pedestal 7 and buoyant raft 8 generation resonance.
Embodiment three, referring to Fig. 7, with the difference of embodiment two be: the two ends of upper deformation passage 825 and lower deformation passage 827 are provided with end cap 829.In upper bearing diagonal plate 824 on adjacent declivity gripper shoe between adjacent lower deformation passage 827 and be designed with damp channel 820 on the middle substrate 822 position between adjacent upper deformation passage and lower deformation passage in upper bearing diagonal plate upper and lower bearing diagonal plate 826 between deformation passage 826.It is filled with liquid (liquid does not draw in the drawings) in upper deformation passage 825 and lower deformation passage 827.It is provided with, in upper deformation passage 825 and lower deformation passage 827, the energy-absorbing bar 84 being suspended in liquid.The bearing of trend of energy-absorbing bar 84 is identical with the bearing of trend of upper deformation passage 825.
Referring to Fig. 8, the surface of energy-absorbing bar 84 is provided with the rolling groove 841 that the bearing of trend along energy-absorbing bar 84 extends.When liquid in upper deformation passage 825, lower deformation passage 827 produces vibration, rolling groove 841 can speed up rocking of energy-absorbing bar 84, plays the effect improving energy-absorbing effect.
Referring to Fig. 7, when energy-absorbing support 82 is vibrated, producing deformation and cause that deformation passage 825 and lower deformation passage 827 are deformed, during deformation, liquid moves back and forth between each deformation passage through damp channel 820, and liquid produces to rub and energy-absorbing when flowing through damp channel 820.When vibrations received is frequency low-amplitude vibration, then deformation is not enough to promote liquid flow between deformation passage, but now energy-absorbing bar 84 is still able to generation and rocks, and produces to rub and energy-absorbing with liquid when energy-absorbing bar 84 rocks.