TWI651219B - Electric motor vehicle power system and automatic clutching method thereof - Google Patents

Electric motor vehicle power system and automatic clutching method thereof Download PDF

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TWI651219B
TWI651219B TW107101458A TW107101458A TWI651219B TW I651219 B TWI651219 B TW I651219B TW 107101458 A TW107101458 A TW 107101458A TW 107101458 A TW107101458 A TW 107101458A TW I651219 B TWI651219 B TW I651219B
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pressing piece
electric motor
rotating shaft
motor vehicle
clutch
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TW107101458A
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TW201932326A (en
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紀孟豪
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紀孟豪
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Publication of TW201932326A publication Critical patent/TW201932326A/en

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Abstract

本發明係關於一種電動機車動力系統及其自動離合方法,係在一馬達的主軸前端與傳動機構單元之間設有一離合單元,且安裝一壓片於該離合單元的轉軸所設數個螺旋導槽,且於該壓片、螺旋導槽之間設有數個滾珠,又該壓片提供壓抵該輪罩內所設的離合片組;藉由電動機車騎乘平地路段時,該壓片因該螺旋導槽的導引及一彈簧施力而壓抵該離合片組;待電動機車騎乘下坡路段時,該馬達呈現不加速的情況下運轉,該壓片斷開離合單元及壓抵彈簧,可避免該馬達產生下坡阻力及反衝電流而損壞馬達的控制電路。 The invention relates to an electric motor vehicle power system and an automatic clutching method thereof. A clutch unit is arranged between a front end of a motor and a transmission unit, and a plurality of spiral guides are arranged on a rotating shaft of the clutch unit. a groove, and a plurality of balls are disposed between the pressing piece and the spiral guiding groove, and the pressing piece is provided to press against the clutch piece set in the wheel cover; when the electric motor vehicle rides on the flat road section, the pressing piece is The guiding of the spiral guiding groove and a spring force are pressed against the clutching piece group; when the electric motor vehicle rides on the downhill road section, the motor operates without acceleration, and the pressing piece breaks the clutch unit and the pressing spring The motor can avoid the downhill resistance and the recoil current and damage the control circuit of the motor.

Description

電動機車之動力系統及其自動離合方法 Electric motor vehicle power system and automatic clutching method thereof

本發明係涉及電動機車之技術領域,尤指動力系統及其離合器等之技術範疇。 The invention relates to the technical field of electric motor vehicles, in particular to the technical scope of power systems and their clutches.

按,由於石油能源的不斷消耗,以及節能減碳及環保觀念興起,因此,國內莫不極力發展不使用汽油的電動機車。 According to the continuous consumption of petroleum energy, as well as the rise of energy-saving and carbon-reducing and environmental protection concepts, China does not strive to develop electric-motor vehicles that do not use gasoline.

惟電動機車的動力系統的傳動方式,通常由一馬達直接驅動傳動機構,最後在將動力輸出於電動機車的車輪,如本國發明專利第201144636號「電動自行車變速方法及變速器」所示者。 However, the transmission mode of the power system of the electric motor vehicle is usually driven by a motor directly, and finally the power is output to the wheel of the electric motor vehicle, as shown in the national invention patent No. 201144636 "Electric bicycle shifting method and transmission".

然而,前述電動自行車的動力系統的傳動方式,當行駛於下坡路段時,當電動自行車不加速的情況下,即馬達的轉速呈現空檔的情況下,道路下坡路段的位能差能量,經由電動自行車的車輪及其傳動機構而逆轉換至馬達的主軸,經常讓電動自行車產生下坡阻力,且使該馬達變成發電機,進而產生反衝電流而燒毀馬達的控制電路等之問題點,實有需要加以改善。 However, the power transmission mode of the electric bicycle described above, when driving on a downhill section, when the electric bicycle does not accelerate, that is, when the rotational speed of the motor is in a neutral state, the energy of the energy of the downhill section of the road is electrically The bicycle wheel and its transmission mechanism are reversely converted to the main shaft of the motor, which often causes the electric bicycle to generate downhill resistance, and the motor becomes a generator, thereby generating a recoil current and burning the control circuit of the motor, etc. Need to be improved.

緣此,鑑於前述電動機車動力系統的問題點,於是本發明人便發明出一種電動機車之動力系統及其自動離合方法,故本發明最主要目的在於:提供下坡路段的位能差回傳至馬達的電動機車動力系統及其離合方法;本發明 的次要目的在於:防止燒毀馬達的控制電路的電動機車動力系統及其自動離合方法。 Therefore, in view of the problems of the aforementioned electric motor vehicle power system, the inventors have invented a power system for an electric motor vehicle and an automatic clutching method thereof. Therefore, the main purpose of the present invention is to provide a potential energy difference back to the downhill road section. Electric motor vehicle power system of motor and clutch method thereof; the invention The secondary purpose is to prevent the motor vehicle power system that burns the control circuit of the motor and its automatic clutching method.

為達上述目的,故本發明運用如下技術手段:本發明的一種電動機車動力系統之自動離合方法,係包含有:一建置離合單元步驟,係在一馬達的主軸前端與傳動機構單元之間設有一離合單元,其中該離合單元包含有一輪罩、一轉軸、一離合片組;及一建置壓片步驟,係安裝一壓片於該離合單元的轉軸,且於該壓片、轉軸之間設有一導引結構,又該導引結構提供該壓片壓抵或放鬆該輪罩內離合片組之作用。 In order to achieve the above object, the present invention utilizes the following technical means: an automatic clutching method for an electric motor vehicle power system according to the present invention includes: a step of constructing a clutch unit, which is between a spindle front end and a transmission unit of a motor A clutch unit is provided, wherein the clutch unit comprises a wheel cover, a rotating shaft and a clutching plate set; and a step of constructing the pressing piece, wherein a pressing piece is mounted on the rotating shaft of the clutch unit, and the pressing piece and the rotating shaft are A guiding structure is provided between the guiding structure, and the guiding structure provides the pressing piece to press or loosen the clutch group in the wheel cover.

本發明的一種電動機車動力系統,係包含有:一馬達,係具有一主軸,且接上電力後提供電動機車之動力行駛的來源;一傳動機構單元,係包含有一動力輸入軸、一變速齒輪組及一動力輸出軸,其中該動力輸入軸得接設該變速齒輪組,而該變速齒輪組再接設該動力輸出軸;及一離合單元,係接設於該馬達的主軸前端與傳動機構單元的動力輸入軸之間,又該離合單元係包含有一輪罩、一轉軸、一離合片組、一壓片,其中該離合片組裝設於該輪罩內,經由該轉軸分別串接該輪罩、離合片組、壓片,另於該轉軸、壓片之間設有一導引結構,該且於該壓片、轉軸之間設有一導引結構,又該導引結構提供該壓片壓抵或放鬆該輪罩內離合片組之作用。 An electric motor vehicle power system according to the present invention comprises: a motor having a main shaft and providing power source for driving the electric motor after the electric power is connected; a transmission mechanism unit including a power input shaft and a shifting gear And a power output shaft, wherein the power input shaft is connected to the shift gear set, and the shift gear set is connected to the power output shaft; and a clutch unit is connected to the front end of the motor and the transmission mechanism Between the power input shafts of the unit, the clutch unit further includes a wheel cover, a rotating shaft, a clutching plate group, and a pressing piece, wherein the clutching piece is assembled in the wheel housing, and the wheel is respectively connected in series through the rotating shaft a guiding structure is disposed between the rotating shaft and the pressing piece, and a guiding structure is disposed between the pressing piece and the rotating shaft, and the guiding structure provides the pressing piece pressure Abut or loosen the role of the clutch set in the wheel cover.

上述該輪罩的凸軸接設該傳動機構單元的動力輸入軸,進一步使該輪罩得承載一負載,而該轉軸得接設於該馬達的主軸。 The protruding shaft of the wheel cover is connected to the power input shaft of the transmission unit, so that the wheel cover carries a load, and the rotating shaft is connected to the main shaft of the motor.

上述該導引結構更包含有數個左螺旋方向的螺旋導槽、滾珠、珠槽,且該螺旋導槽設於離合單元所設的轉軸,而該珠槽則設於壓片,又該滾珠則設於螺旋導槽、珠槽之間。 The guiding structure further includes a plurality of spiral guiding grooves, balls and bead grooves in the left spiral direction, and the spiral guiding groove is disposed on the rotating shaft provided by the clutch unit, and the bead groove is disposed on the pressing piece, and the ball groove is It is arranged between the spiral guide groove and the bead groove.

上述該離合單元的轉軸、馬達主軸之間設有一彈簧,該彈簧提供輔助該壓片透過該轉速差而壓抵或鬆開該離合片組之施力。 A spring is disposed between the rotating shaft of the clutch unit and the main shaft of the motor, and the spring provides a force for assisting the pressing piece to press or release the clutch piece through the rotation speed difference.

本發明藉由上述技述手段,可達成如下功效: The present invention can achieve the following effects by the above technical means:

1.本發明最主要係在馬達主軸前端、傳動機構單元的動力輸入軸之間設有一離合單元,讓該離合單元於電動機車行駛於下坡路段時,在該馬達呈現低速或不加速的情況下運轉,使該馬達主軸、離合單元的輪罩之間存在一轉速差,且該轉速差配合該導引結構,促使該離合單元會自動斷開,如此可避免該馬達產生下坡阻力。 1. The invention is mainly provided with a clutch unit between the front end of the motor spindle and the power input shaft of the transmission unit, so that the clutch unit is driven by the electric motor vehicle on the downhill section when the motor exhibits low speed or no acceleration. The motor has a rotation speed difference between the wheel cover of the motor main shaft and the clutch unit, and the rotation speed difference cooperates with the guiding structure to prompt the clutch unit to be automatically disconnected, so that the motor can avoid the downhill resistance.

2.本發明因電動機車行駛於下坡路段時,該導引結構促使該離合單元會自動斷開,不讓下坡路段的位能差透過該傳動機構單元回傳至該馬達,進一步產生反衝電流而損壞馬達的控制電路。 2. In the present invention, when the electric motor vehicle runs on a downhill section, the guiding structure causes the clutch unit to be automatically disconnected, so that the potential difference of the downhill section is not transmitted back to the motor through the transmission unit, and further a recoil current is generated. The control circuit of the motor is damaged.

A‧‧‧動力系統 A‧‧‧Power System

c‧‧‧導引結構 c‧‧‧Guide structure

1‧‧‧馬達 1‧‧‧Motor

11‧‧‧主軸 11‧‧‧ Spindle

2‧‧‧傳動機構單元 2‧‧‧Transmission unit

20‧‧‧箱體 20‧‧‧ cabinet

21‧‧‧動力輸入軸 21‧‧‧Power input shaft

22‧‧‧變速齒輪組 22‧‧‧Transmission gear set

23‧‧‧動力輸出軸 23‧‧‧Power output shaft

3‧‧‧離合單元 3‧‧‧ clutch unit

31‧‧‧輪罩 31‧‧‧ wheel cover

311‧‧‧凸軸 311‧‧‧Shaft axis

32‧‧‧轉軸 32‧‧‧ shaft

321‧‧‧螺旋導槽 321‧‧‧Spiral guide

33‧‧‧離合片組 33‧‧‧Clutch film group

34‧‧‧壓片 34‧‧‧ Tablets

340‧‧‧擋止板 340‧‧‧stop plate

341‧‧‧珠槽 341‧‧ ‧ beads

35‧‧‧滾珠 35‧‧‧ balls

4‧‧‧彈簧 4‧‧‧ Spring

B‧‧‧離合方法 B‧‧‧Clutch method

a、b‧‧‧步驟 a, b‧‧‧ steps

圖1:係為本發明電動機車動力系統之立體外觀圖。 Figure 1 is a perspective view of the powertrain of the electric motor vehicle of the present invention.

圖2:係為本發明電動機車動力系統之側視圖。 Figure 2 is a side view of the powertrain system of the present invention.

圖3:係為本發明圖3之A-A剖面圖。 Figure 3 is a cross-sectional view taken along line A-A of Figure 3 of the present invention.

圖4:係為本發明圖4之局部放大圖。 Figure 4 is a partial enlarged view of Figure 4 of the present invention.

圖5:係為本發明離合單元之立體外觀圖。 Figure 5 is a perspective view of the clutch unit of the present invention.

圖6:係為本發明離合單元之立體分解圖。 Figure 6 is a perspective exploded view of the clutch unit of the present invention.

圖7:係為本發明離合單元之另一立體分解圖。 Figure 7 is another perspective exploded view of the clutch unit of the present invention.

圖8:係為本發明呈現放鬆斷開狀離合單元之側視圖及其剖面圖。 Figure 8 is a side elevational view and a cross-sectional view of the present invention showing a relaxed breakaway clutch unit.

圖9:係為本發明呈現壓抵閉鎖狀離合單元之作動示意圖。 Figure 9 is a schematic view showing the operation of the press-fitting clutch unit of the present invention.

圖10:係為本發明發明電動機車動力系統之自動離合方法之步驟流程圖。 Figure 10 is a flow chart showing the steps of the automatic clutching method of the electric motor vehicle power system of the present invention.

首先,請參閱圖1至圖6所示,本發明係關於一種電動機車動力系統A,最主要係附掛於電動機車,提供電動機車可電動行駛、變換速度、以及行駛於下坡路段時,該離合單元3會自動斷開,據以保護馬達控制電路而不被燒毀之功能,其包含有:一馬達1,如圖3所示,係具有一主軸11,且接上電池電力後,提供電動機車動力行駛的主要來源。 First, referring to FIG. 1 to FIG. 6 , the present invention relates to an electric motor vehicle power system A, which is mainly attached to an electric motor vehicle, and provides an electric motor vehicle that can be electrically driven, changed speed, and travels on a downhill road section. The clutch unit 3 is automatically disconnected, thereby protecting the motor control circuit from being burned, and includes: a motor 1, as shown in FIG. 3, having a spindle 11, and after supplying battery power, providing a motor The main source of driving power.

一傳動機構單元2,如圖3所示,係包含有一動力輸入軸21、一變速齒輪組22及一動力輸出軸23,其中該動力輸出軸23得接設該變速齒輪組22,而該變速齒輪組22再接設該動力輸出軸23;特別一提,前述的馬達1、動力輸入軸21、變速齒輪組22、動力輸出軸23均得裝配於一箱體20內外,俾利將本發明動力系統A附掛於電動機車,而該動力輸出軸23可設為電動機車的車輪轉軸,以達電動行駛之目的。及一離合單元,如圖3至圖9所示,係接設於該馬達1的主軸11前端與傳動機構單元2的動力輸入軸21之間,又該離合單元3係包含有一輪罩31、一轉軸32、一離合片組33、一壓片34及一導引結構c,又該導引結構c係更包含有數個左螺旋方向的螺旋導槽321、滾珠35、珠槽341等;其中該摩擦片組33裝設於該輪罩31內,經由該轉軸32分別串接該輪罩31、離合片組33、壓片34。另於該轉軸32設有該螺旋導槽321,且於該壓片34所設的數個珠槽341、數個螺旋導槽321之間設有滾珠35組,然後由該壓板34所設一擋止板340限制定位壓抵各滾珠35於珠槽341內;而位於各螺旋導槽321內的數個滾珠35提供導引該壓片34側 壓該離合片組33來產生大摩擦力,進而達到閉合該離合單元3;特別一提,本發明另可在該離合單元3的轉軸32、馬達1主軸11之間設有一彈簧4,該彈簧4提供輔助該壓片34壓抵離合片組33之施力,如圖4所示者。 A transmission mechanism unit 2, as shown in FIG. 3, includes a power input shaft 21, a shift gear set 22 and a power output shaft 23, wherein the power output shaft 23 is connected to the shift gear set 22, and the shifting gear The gear set 22 is further connected to the power output shaft 23; in particular, the motor 1, the power input shaft 21, the shift gear set 22, and the power output shaft 23 are all assembled inside and outside a casing 20, and the present invention will be The power system A is attached to the electric motor car, and the power output shaft 23 can be set as the wheel shaft of the electric motor car for the purpose of electric driving. And a clutch unit, as shown in FIG. 3 to FIG. 9 , is connected between the front end of the main shaft 11 of the motor 1 and the power input shaft 21 of the transmission unit 2, and the clutch unit 3 includes a wheel cover 31. a rotating shaft 32, a clutching plate group 33, a pressing piece 34 and a guiding structure c, and the guiding structure c further comprises a plurality of spiral guiding grooves 321 in the left spiral direction, balls 35, bead grooves 341, etc.; The friction plate group 33 is mounted in the wheel house 31, and the wheel cover 31, the clutch plate group 33, and the pressure piece 34 are connected in series via the rotating shaft 32. The spiral guide groove 321 is disposed on the rotating shaft 32, and a plurality of balls 35 are disposed between the plurality of beads 341 and the plurality of spiral guide grooves 321 provided in the pressing piece 34, and then the pressure plate 34 is provided. The stopper plate 340 restricts the positioning against the balls 35 in the bead grooves 341; and the plurality of balls 35 located in the respective spiral guide grooves 321 provide guidance to the side of the pressing piece 34. Pressing the clutch plate set 33 to generate a large friction force, thereby closing the clutch unit 3; in particular, the present invention further provides a spring 4 between the rotating shaft 32 of the clutch unit 3 and the main shaft 11 of the motor 1, the spring 4 is provided to assist the pressing force of the pressing piece 34 against the clutch group 33, as shown in FIG.

進一步,如圖3及圖9所示,該輪罩31的凸軸311接設該傳動機構單元2的動力輸入軸21,進一步使該輪罩31得承載一負載,而該轉軸32得接設於該馬達1的主軸11,藉由閉合該離合單元3,使該主軸11、動力輸入軸21可視為單一傳動軸體,俾利將馬達1的動力傳達於該傳動機構單元2,最後再由該傳動機構單元2傳達該動力至電動機車的車輪,以達到電動行駛之目的。 Further, as shown in FIG. 3 and FIG. 9 , the protruding shaft 311 of the wheel cover 31 is connected to the power input shaft 21 of the transmission mechanism unit 2, so that the wheel cover 31 can carry a load, and the rotating shaft 32 can be connected. By closing the clutch unit 3, the main shaft 11 and the power input shaft 21 can be regarded as a single transmission shaft body, and the power of the motor 1 can be transmitted to the transmission unit 2, and finally The transmission unit 2 transmits the power to the wheels of the electric motor vehicle for the purpose of electric driving.

藉由上述各元件構成本發明動力系統A,當要騎乘電動機車行時,在開始啟動的情況下,該馬達1的主軸11則會驅動該離合單元的轉軸32,圖3、圖7及圖9所示,加上藉由該馬達1主軸11的旋轉力量及該彈簧4的施力,使該轉軸32的數個螺旋導槽321配合其各滾珠35得導引驅動該壓片34側壓該離合單元3的離合片組33,進而閉合該離合單元3,使馬達動力可以順利傳達至該傳動機構單元2及車輪。特別一提,該馬達1主軸11越加速,動力可傳至該傳動機構單元2及車輪並呈現一個線性加速的情況。 The above-mentioned components constitute the power system A of the present invention. When the motor vehicle is to be driven, the main shaft 11 of the motor 1 drives the rotating shaft 32 of the clutch unit when starting the starting, FIG. 3 and FIG. 7 and As shown in FIG. 9, by the rotational force of the main shaft 11 of the motor 1 and the urging force of the spring 4, the plurality of spiral guide grooves 321 of the rotating shaft 32 are guided to drive the side of the pressing piece 34 with the respective balls 35. The clutch plate set 33 of the clutch unit 3 is pressed, and the clutch unit 3 is closed, so that the motor power can be smoothly transmitted to the transmission unit 2 and the wheel. In particular, the more the main shaft 11 of the motor 1 is accelerated, the power can be transmitted to the transmission unit 2 and the wheel and a linear acceleration is exhibited.

當電動機車行駛於下坡路段時,讓該馬達1主軸11因下坡呈現低速或不加速運轉時,致該馬達1主軸11、傳動機構單元2的輪罩31之間存在有一轉速差,圖3、圖7及圖8所示,該轉軸32的數個螺旋導槽321配合其各滾珠35得導引驅動該壓片34遠離該離合片組33並壓抵該彈簧4,進而鬆開該離合單元3的離合片組33,讓該離合單元3會自動斷開,使道路下坡路段的位能差,無法經由該傳動機構單元2而回傳至馬達1的主軸11,讓該馬達1不會產生下坡阻力及變身為發電機,進而可避免該馬達1產生反衝電流而燒毀馬達1的控制電路。待電動 機車行駛完下坡路段時,該馬達1隨即恢復運作並加速旋轉,配合該彈簧4的施力,該壓片34又隨即閉合該離合單元3的離合片組33,讓該馬達1動力又再度傳達至該傳動機構單元2及車輪,俾利行駛於爬坡或平地路段等。 When the electric motor vehicle runs on the downhill road section, when the main shaft 11 of the motor 1 is low-speed or does not accelerate due to the downhill slope, there is a difference in rotational speed between the main shaft 11 of the motor 1 and the wheel cover 31 of the transmission mechanism unit 2, FIG. As shown in FIG. 7 and FIG. 8 , the plurality of spiral guide grooves 321 of the rotating shaft 32 are matched with the respective balls 35 to guide the driving piece 34 away from the clutching piece set 33 and pressed against the spring 4 to release the clutch. The clutch unit 33 of the unit 3 causes the clutch unit 3 to be automatically disconnected, so that the positional energy of the downhill section of the road is poor, and cannot be transmitted back to the main shaft 11 of the motor 1 via the transmission unit 2, so that the motor 1 does not The downhill resistance is generated and transformed into a generator, thereby preventing the motor 1 from generating a recoil current and burning the control circuit of the motor 1. Waiting for electric When the locomotive runs the downhill section, the motor 1 resumes operation and accelerates rotation. With the urging force of the spring 4, the pressing piece 34 then closes the clutching unit 33 of the clutch unit 3, so that the power of the motor 1 is again transmitted. To the transmission unit 2 and the wheel, the driver can drive on a climbing or flat road section.

歸納上述本發明動力系統A所運用技術手段及達成功效,可得到本發明電動機車動力系統之自動離合方法B,如圖4、圖7至圖10所示,其包含有:一建置離合單元步驟a,係在一馬達1的主軸11前端與傳動機構單元2之間設有一離合單元3,其中該離合單元3包含有一輪罩31、一轉軸32、一離合片組33;及一建置壓片步驟b,係安裝一壓片34於該離合單元3的轉軸32所設數個螺旋導槽321,且於該壓片34、螺旋導槽321之間設有數個滾珠35,又該壓片34提供壓抵或鬆開該輪罩31內所設的離合片組33。藉由電動機車騎乘平地路段時,該馬達1驅動該傳動機構單元2時,因彈簧4施力促使該導引結構c的作用,使該壓片34壓抵該離合片組33;待電動機車騎乘下坡路段時,在馬達1低速或不加速的情況下運轉時,則該馬達1主軸11、離合單元3的輪罩31之間存在一轉速差,並配合該導引結構c的作用,讓該壓片34放鬆離合片組33,促使該離合單元3斷開,可避免該馬達1產生下坡阻力及反衝電流,而燒毀其控制電路。 The automatic clutching method B of the electric motor vehicle power system of the present invention can be obtained by summarizing the technical means and the achievement of the above-mentioned power system A of the present invention. As shown in FIG. 4 and FIG. 7 to FIG. 10, it includes: a built-in clutch unit In the step a, a clutch unit 3 is disposed between the front end of the main shaft 11 of the motor 1 and the transmission unit 2, wherein the clutch unit 3 includes a wheel cover 31, a rotating shaft 32, a clutch group 33, and a built-in unit. In the tableting step b, a plurality of spiral guide grooves 321 are disposed on the rotating shaft 32 of the clutch unit 3, and a plurality of balls 35 are disposed between the pressing piece 34 and the spiral guiding groove 321, and the pressing is performed. The sheet 34 provides a press-fit or release of the set of clutch plates 33 provided in the wheel cover 31. When the electric motor vehicle rides on the flat road section, when the motor 1 drives the transmission mechanism unit 2, the spring 4 applies a force to urge the guiding structure c to press the pressing piece 34 against the clutching plate group 33; When the vehicle rides on the downhill section, when the motor 1 is running at a low speed or without acceleration, there is a difference in rotational speed between the main shaft 11 of the motor 1 and the wheel cover 31 of the clutch unit 3, and cooperates with the function of the guiding structure c. The pressing piece 34 is allowed to loosen the clutching piece group 33, and the clutch unit 3 is caused to be disconnected, so that the motor 1 can avoid the downhill resistance and the recoil current, and burn the control circuit.

綜上所述各實施例,本發明係關於一種電動機車之動力系統及其自動離合方法,且其各實施例的構成裝置結構、步驟均未曾見於諸書刊或公開使用,誠符合專利申請要件,懇請 鈞局明鑑,早日准予專利,至為感禱;需陳明者,以上所述乃是本案之具體實施例及所運用之技術原理,若依本案之構想所作之改變,其所產生之功能作用仍未超出說明書及圖式所涵蓋之精神時,均應在本案之範圍內,合予陳明。 In view of the above embodiments, the present invention relates to a power system of an electric motor vehicle and an automatic clutching method thereof, and the structure and steps of the constituent devices of the respective embodiments have not been seen in various books or publicly used, and the patent application requirements are met. I would like to ask the Bureau to express the patent and grant the patent as soon as possible. It is necessary to express the above. The above is the specific embodiment of the case and the technical principles applied. If the change is made according to the concept of the case, the function produced by it If the effect is still beyond the spirit of the manual and the drawings, it shall be submitted to Chen Ming within the scope of this case.

Claims (6)

一種電動機車動力系統之自動離合方法,係包含有:一建置離合單元步驟,係在一馬達的主軸前端與傳動機構單元之間設有一離合單元,其中該離合單元包含有一輪罩、一轉軸、一離合片組;及一建置壓片步驟,係安裝一壓片於該離合單元的轉軸,且於該壓片、轉軸之間設有一導引結構,又該導引結構提供該壓片壓抵或放鬆該輪罩內離合片組之作用,又該導引結構更包含有數個螺旋導槽、滾珠、珠槽,且該螺旋導槽設於離合單元所設的轉軸,而該珠槽則設於壓片,又該滾珠則設於螺旋導槽、珠槽之間;藉由電動機車騎乘平地路段時,該馬達驅動該傳動機構單元時,因彈簧施力促使該導引結構的作用,使該壓片壓抵該離合片組;待電動機車騎乘下坡路段時,在該馬達低速或不加速的情況運轉下,則該馬達主軸、離合單元的輪罩之間存在一轉速差,並配合該導引結構的作用,讓該壓片放鬆離合片組,促使該離合單元斷開,可避免該馬達產生下坡阻力及反衝電流而燒毀其控制電路。 An automatic clutching method for an electric motor vehicle power system includes: a step of constructing a clutch unit, wherein a clutch unit is disposed between a front end of a motor and a transmission unit, wherein the clutch unit includes a wheel cover and a rotating shaft And a step of forming a tablet, wherein a pressing piece is mounted on the rotating shaft of the clutch unit, and a guiding structure is disposed between the pressing piece and the rotating shaft, and the guiding structure provides the pressing piece Pressing or loosening the function of the clutch plate group in the wheel cover, the guiding structure further comprises a plurality of spiral guide grooves, balls, and bead grooves, and the spiral guide groove is disposed on a rotating shaft provided by the clutch unit, and the bead groove The pressure is set on the pressing piece, and the ball is disposed between the spiral guiding groove and the bead groove; when the electric motor vehicle rides the flat road section, when the motor drives the transmission mechanism unit, the guiding force of the guiding structure is promoted by the spring force Acting to press the pressing piece against the clutching piece; when the electric motor vehicle rides on the downhill section, there is a difference in rotation speed between the motor main shaft and the wheel cover of the clutch unit when the motor is running at a low speed or without acceleration. , and The combined action of the guide structure, so that the clutch plate group tableting relax, cause the clutch unit is turned off, the motor generates avoid kickback current slope resistance and burning its control circuit. 如請求項1所述電動機車動力系統之自動離合方法,其中該離合單元的轉軸所設數個螺旋導槽的方向均設為左螺旋方向。 The automatic clutching method of the electric motor vehicle power system according to claim 1, wherein the direction of the plurality of spiral guide grooves provided in the rotating shaft of the clutch unit is set to the left spiral direction. 如請求項1所述電動機車動力系統之自動離合方法,其中該輪罩的一凸軸接設該傳動機構單元的動力輸入軸,進一步使該輪罩得承載一負載,而該轉軸得接設於該馬達的主軸。 The automatic clutching method of the electric motor vehicle power system of claim 1, wherein a protruding shaft of the wheel cover is connected to the power input shaft of the transmission unit, so that the wheel cover is loaded with a load, and the rotating shaft is connected The main shaft of the motor. 一種電動機車動力系統,係包含有:一馬達,係具有一主軸,且接上電力後提供電動機車之動力行駛的來源; 一傳動機構單元,係包含有一動力輸入軸、一變速齒輪組及一動力輸出軸,其中該動力輸入軸得接設該變速齒輪組,而該變速齒輪組再接設該動力輸出軸;及一離合單元,係接設於該馬達的主軸前端與傳動機構單元的動力輸入軸之間,又該離合單元係包含有一輪罩、一轉軸、一離合片組、一壓片,其中該離合片組裝設於該輪罩內,經由該轉軸分別串接該輪罩、離合片組、壓片,另於該轉軸、壓片之間設有一導引結構,該且於該壓片、轉軸之間設有一導引結構,又該導引結構提供該壓片壓抵或放鬆該輪罩內離合片組之作用,又該導引結構更包含有數個螺旋導槽、滾珠、珠槽,且該螺旋導槽設於離合單元所設的轉軸,而該珠槽則設於壓片,又該滾珠則設於螺旋導槽、珠槽之間;藉由電動機車騎乘平地路段時,該馬達驅動該傳動機構單元時,因彈簧施力促使該導引結構的作用,使該壓片壓抵該離合片組;待電動機車騎乘下坡路段,在該馬達低速或不加速運轉的情況下,則該馬達主軸、離合單元的輪罩之間存在一轉速差,並配合該導引結構的作用,讓該壓片放鬆離合片組促使該離合單元斷開,可避免該馬達產生下坡阻力及反衝電流而燒毀其控制電路。 An electric motor vehicle power system includes: a motor having a main shaft and providing power source for driving the electric motor after the electric power is connected; A transmission mechanism unit includes a power input shaft, a shift gear set and a power output shaft, wherein the power input shaft is connected to the shift gear set, and the shift gear set is connected to the power output shaft; The clutch unit is connected between the front end of the main shaft of the motor and the power input shaft of the transmission unit, and the clutch unit includes a wheel cover, a rotating shaft, a clutch set, and a pressing piece, wherein the clutch assembly Provided in the wheel cover, the wheel cover, the clutch plate group and the pressing piece are respectively connected in series through the rotating shaft, and a guiding structure is arranged between the rotating shaft and the pressing piece, and the pressing piece and the rotating shaft are disposed between the rotating piece and the rotating shaft The guiding structure provides the pressing piece to press or loosen the clutching piece in the wheel cover, and the guiding structure further comprises a plurality of spiral guiding grooves, balls, bead grooves, and the spiral guiding The groove is disposed on the rotating shaft provided by the clutch unit, and the bead groove is disposed on the pressing piece, and the ball is disposed between the spiral guiding groove and the bead groove; when the electric motor vehicle rides on the flat road section, the motor drives the transmission When the mechanism unit is applied by the spring The guiding structure is configured to press the pressing piece against the clutching piece group; when the electric motor vehicle rides the downhill road section, if the motor is running at a low speed or does not accelerate, the motor main shaft and the wheel cover of the clutch unit are There is a difference in rotational speed, and in cooperation with the guiding structure, the pressing piece relaxes the clutching piece group to cause the clutching unit to be disconnected, and the motor can be prevented from generating downhill resistance and recoil current to burn the control circuit. 如請求項4所述電動機車動力系統,其中該輪罩的一凸軸接設該傳動機構單元的動力輸入軸,進一步使該輪罩得承載一負載,而該轉軸得接設於該馬達的主軸。 The electric motor vehicle power system of claim 4, wherein a protruding shaft of the wheel cover is connected to the power input shaft of the transmission unit, further causing the wheel cover to carry a load, and the rotating shaft is connected to the motor. Spindle. 如請求項4所述電動機車動力系統,其中該離合單元的轉軸所設數個螺旋導槽的方向均設為左螺旋方向。 The electric motor vehicle power system according to claim 4, wherein the direction of the plurality of spiral guide grooves provided in the rotating shaft of the clutch unit is set to the left spiral direction.
TW107101458A 2018-01-15 2018-01-15 Electric motor vehicle power system and automatic clutching method thereof TWI651219B (en)

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