CN106865377A - Elevator traction machine - Google Patents
Elevator traction machine Download PDFInfo
- Publication number
- CN106865377A CN106865377A CN201710243997.7A CN201710243997A CN106865377A CN 106865377 A CN106865377 A CN 106865377A CN 201710243997 A CN201710243997 A CN 201710243997A CN 106865377 A CN106865377 A CN 106865377A
- Authority
- CN
- China
- Prior art keywords
- rotor
- tape loop
- magnetic pole
- coding collar
- ring gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/003—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring position, not involving coordinate determination
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Abstract
The present invention provides a kind of elevator traction machine, including stator, rotor, fixed motor part, measurement apparatus, traction sheave, bearing, main part;The fixed motor part is connected in main part or is structure as a whole with main part;Stator is installed on fixed motor part, and rotor is supported in main part by bearing, and rotor is corresponding with stator and sets;Measurement apparatus are used for the rotor-position and/or rotating speed of measurement motor, and the measurement apparatus include coding collar and induction installation;Coding collar is circumferentially arranged on rotor or the connected rotating part of rotor, for position encoded for rotor;Induction installation is arranged on fixed motor part, relative with coding collar, the signal for reading coding collar.By way of mechanically and magnetically field combines, precision encoding is realized to the rotating speed of rotor or position using coding collar, it is easy to which apparatus for controlling elevator is identified and precise control to the position of elevator traction machine.
Description
Technical field
The present invention relates to a kind of drive device of elevator, especially it is a kind of can to the rotating speed of rotor in elevator and/
Or the elevator traction machine that position measures.
Background technology
Elevator is measured, recognized and controlled using measurement apparatus to the rotor-position or rotating speed of traction machine.Traditional survey
Amount device, usually photo-electric, pure magnet ring type or Purely mechanical.Generally, photoelectric type measuring device is necessarily mounted in rotating shaft,
It is synchronized with the movement with rotor, when axle is stationary structure, it is difficult to which on traction machine, structure has limitation.And magnet ring type
Measurement apparatus, although can install, can only but recognize the relative position of rotor, it is impossible to the absolute position of accurate measurement rotor.It is pure
Mechanical measurement device, because mechanical device does not send signal in itself, the simple signal for relying on induction installation to experience mechanical device is anti-
Feedback, the sensitivity requirement to induction installation is very high, and the precision requirement to system is also very high, is easily lost control signal,
Elevator faults rate is caused to greatly increase.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided a kind of elevator traction machine, using coding
Ring is measured to the rotor speed of motor, relative position or absolute position, solves the deficiencies in the prior art.What the present invention was used
Technical scheme is:
A kind of elevator traction machine, including stator, rotor, fixed motor part, measurement apparatus, traction sheave, bearing, main part;
The fixed motor part is connected in main part or is structure as a whole with main part;
Stator is installed on fixed motor part, and rotor is supported in main part by bearing, and rotor is corresponding with stator
And set;
Measurement apparatus are used for the rotor-position and/or rotating speed of measurement motor, and the measurement apparatus include coding collar and induction installation;
Coding collar is circumferentially arranged on rotor or the connected rotating part of rotor, for position encoded for rotor;Induction installation sets
Put on fixed motor part, signal for read coding collar relative with coding collar.
Specifically, coding collar is a tape loop;The magnetic pole of multiple opposite polarities is arranged alternately on the tape loop successively;
One reference marker is set on the tape loop;Reference marker be on tape loop some magnetic relative to same polarity magnetic pole magnetic
One magnetic pole of field intensity change, or physics projection or physics depression on the tape loop.
Further, magnetic pole, reference marker are horizontal or angularly disposed.
Further, the magnetic pole lateral part of opposite polarity is staggered.
Specifically, another coding collar includes the tape loop of arranged in parallel and mechanical ring;It is arranged alternately successively on tape loop
The magnetic pole of multiple opposite polarities;One reference marker is set on mechanical ring, and reference marker is a physics projection on mechanical ring
Or physics depression.
Specifically, another coding collar includes the tape loop of arranged in parallel and mechanical ring gear;Alternately set successively on tape loop
Put the magnetic pole of multiple opposite polarities;It is arranged alternately that multiple teeth are convex and mark of mouth on mechanical ring gear successively;Each magnetic pole on tape loop with
Tooth on mechanical ring gear is convex or mark of mouth position interlocks or the corresponding setting in position in the circumferential.
Further, reference marker is set on tape loop or mechanical ring gear.
Further, the reference marker on mechanical ring gear be the convex protrusion of tooth reduce or few tooth or change flute profile,
Or extra teeth groove is set;
Reference marker on tape loop is one of some magnetic relative to same polarity magnetic pole and magnetic field Strength Changes on tape loop
Physics on magnetic pole, or the tape loop is raised or physics is recessed.
Further, mechanical ring gear uses magnetic ring gear, and tooth thereon is convex with magnetic.
Further, the convex use straight-tooth of tooth on the magnetic pole horizontally set on tape loop, and mechanical ring gear;Or, tape
Each magnetic pole is angularly disposed on ring, the convex use helical teeth of the tooth on mechanical ring gear;The tooth on magnetic pole and mechanical ring gear on tape loop is convex
Inclined with the same circumferential direction in mechanical ring gear adjoining center to tape loop with mark of mouth.
Specifically, fixed motor part includes left and right two parts, and stator, the right part of fixed motor part are installed on left half
Divide and be located at rotor right side, its top extends one section to the left, and extension is located at rotor right-hand member top;Traction sheave is provided with rotor;
Coding collar is circumferentially disposed on the right-hand member side face of traction sheave, and induction installation is arranged on fixed motor part right half top
End is on extension and relative with coding collar to the left and set;
Or, coding collar is circumferentially disposed on the end face of rotor, in annular shape, and induction installation is arranged on the fixed motor part right side
It is on part and relative with coding collar and set;
Or, coding collar is circumferentially disposed on traction sheave on the side face of prominent disk portions;And induction installation is by being connected to electricity
Support arm in machine fixed component is installed, and on three-dimensional, is directed at coding collar.
The advantage of the invention is that:This improved elevator traction machine, solves the structure problem of optical-electricity encoder, passes through
The mode that mechanically and magnetically field combines, creative use coding collar enters to the rotor speed of motor, relative position or absolute position
Row measurement, rotating speed or position to rotor realize precision encoding, it is easy to which apparatus for controlling elevator is carried out to the position of elevator traction machine
Identification and precise control.
Brief description of the drawings
Fig. 1 is structure composition schematic diagram of the invention.
Fig. 2 is the schematic diagram that code ring of the invention is installed on rotor.
Fig. 3 A~Fig. 3 I are the various structure example schematic diagrames of coding collar of the present invention.
Fig. 4 is a kind of preferred mounting means schematic diagram of measurement apparatus of the invention.
Specific embodiment
With reference to specific drawings and Examples, the invention will be further described.
As shown in figure 1, the elevator traction machine that the present invention is provided, including motor, fixed motor part 3, measurement apparatus, traction
Wheel 6, bearing 7, main part 8;Motor includes stator 1, rotor 2;
Fixed motor part 3 is connected in main part 8 or is structure as a whole with main part 8;In this example, fixed motor part
3 include left and right two parts, and stator 1 is installed on left half, and the rotor 2 of motor is supported in main part 8 by bearing 7, is turned
Son 2 is corresponding with stator 1, and rotor 2 can be permanent magnet, or induction coil;The right half of fixed motor part 3 is located at
The right side of rotor 2, its top extends one section to the left, and extension 31 is located at the right-hand member of rotor 2 top;
Traction sheave 6 is provided with rotor 2;Traction sheave 6 can be connected on rotor 2 or directly make and the integrative-structure of rotor 2;Drag
Running wheel 6 is used to be arranged pull line;
Measurement apparatus are used for the position of rotor 2 and/or the rotating speed of measurement motor, and the measurement apparatus include coding collar 4 and sensing dress
Put 5;Coding collar 4 is circumferentially arranged at rotor 2 or rotor 2 connects(It can be direct that rotating part connects with rotor 2 in the present invention
It is connected or is indirectly connected to)Rotating part(Rotating part includes but is not limited to traction sheave 6)On, compiled for the position for rotor 2
Code;Coding collar 4 can be with the synchronous rotary of rotor 2;Induction installation 5 is arranged on fixed motor part 3, relative with coding collar 4, is used
In the signal for reading coding collar 4;
Two kinds of mounting means of measurement apparatus, one are given in Fig. 1:Coding collar 4 is circumferentially disposed at the right-hand member week of traction sheave 6
On face, and induction installation 5 is arranged on the right half top of fixed motor part 3 to the left on extension 31, and relative with coding collar 4
And set;
Secondly:Coding collar 4 is circumferentially disposed on the end face of rotor 2, and in annular shape, and induction installation 5 is arranged on motor and fixes
It is on the right half of part 3 and relative with coding collar 4 and set;
The third more flexible mounting means of measurement apparatus is given in Fig. 4, coding collar 4 is circumferentially disposed at traction sheave
On 6 on the side face of prominent disk portions 61;And induction installation 5 is installed by the support arm being connected in fixed component 3, and in three-dimensional
On direction, coding collar 4 is directed at;360 ° of arbitrarily angled output of signal on three-dimensional can be realized;
Coding collar can be tape loop, ring gear(Refer to not magnetic)One of or magnetic ring gear, or tape loop and ring gear, magnetic ring gear
Combination;Coding collar is made introductions all round below;
As shown in Figure 3A, coding collar 4 is a tape loop;The magnetic of multiple opposite polarities is arranged alternately on the tape loop successively
Pole;Mark 4A is N poles, and mark 4B is S poles;And on the tape loop, a reference marker is set;Reference marker can be magnetic
Some magnetic is relative to same polarity magnetic pole and magnetic field Strength Changes on band(Become big or diminish)A magnetic pole, it is or described
Physics projection or physics depression 4Z on tape loop;The physics is raised or physics depression 4Z can as corresponding to tape loop around
Rotor 2 or the connected rotating part of rotor 2 on set that physics is raised or physics depression is caused;There is this kind of tape loop magnetic to compile
The combination of code and mechanical coding, realizes the coding to rotor 2 and the relative position of stator 1 and absolute position;Reference marker is used to sentence
The absolute position of disconnected rotor 2;Magnetic pole, reference marker horizontally set in Fig. 3 A;The magnetic field that magnetic pole is produced is along rotor direction of rotation
In Distribution of Magnetic Field continuously or discontinuously;
As shown in Figure 3 B, this kind of coding collar 4 with it is approximate in Fig. 3 A, difference is angularly disposed magnetic pole, reference marker;
As shown in Figure 3 C, this kind of coding collar 4 with it is approximate in Fig. 3 A, difference is that the magnetic pole lateral part of opposite polarity interlocks and sets
Put;
As shown in Figure 3 D, coding collar 4 includes the tape loop of arranged in parallel and mechanical ring;Multiple phases are arranged alternately on tape loop successively
The magnetic pole of reversed polarity;Mark 4A is N poles, and mark 4B is S poles;One reference marker is set on mechanical ring, and reference marker can be with
It is a physics projection or physics depression 4Z on the mechanical ring in Fig. 3 D;
As shown in FIGURE 3 E, coding collar 4 includes the tape loop of arranged in parallel and mechanical ring gear;Left side is tape loop, is handed over successively thereon
For the magnetic pole for setting multiple opposite polarities;Mark 4A is N poles, and mark 4B is S poles;Right side is mechanical ring gear, is replaced successively thereon
Multiple tooth convex 4X and mark of mouth 4Y are set;The convex 4X of tooth of the mechanical ring gear uses straight-tooth;The mechanical ring gear can be tooth it is convex without
The standard machinery ring gear of magnetic, or the convex magnetic magnetic ring gear of tool of tooth;The tooth on each magnetic pole and mechanical ring gear on tape loop
Convex or mark of mouth can interlock or the corresponding setting in position position in the circumferential;It is situation that position interlocks in Fig. 3 E;Can be
Reference marker is set on mechanical ring gear;Reference marker can be the convex protrusion of tooth or reduction or few tooth or change flute profile or set
Put extra teeth groove;
As illustrated in Figure 3 F, coding collar 4 includes the tape loop of arranged in parallel and mechanical ring gear;Left side is tape loop, is handed over successively thereon
For the magnetic pole for setting multiple opposite polarities;Mark 4A is N poles, and mark 4B is S poles;Right side is mechanical ring gear, is replaced successively thereon
Multiple tooth convex 4X and mark of mouth 4Y are set;Tooth on each magnetic pole on tape loop and mechanical ring gear is convex or mark of mouth position phase in the circumferential
It is correspondingly arranged;And each magnetic pole is angularly disposed on tape loop, the convex use helical teeth of the tooth on mechanical ring gear;Magnetic pole on tape loop and
Tooth on mechanical ring gear is convex and mark of mouth is inclined to tape loop with the same circumferential direction in mechanical ring gear adjoining center;
As shown in Figure 3 G, this kind of coding collar 4 with it is approximate in Fig. 3 F, difference is that tape loop is provided with a reference marker;Ginseng
Examine mark be on tape loop some magnetic relative to same polarity magnetic pole and magnetic field Strength Changes a magnetic pole, or the magnetic
Physics projection or physics depression 4Z on band;
As shown in figure 3h, this kind of coding collar 4 with it is approximate in Fig. 3 F, difference be each magnetic pole on tape loop with mechanical ring gear on
Tooth is convex or mark of mouth position is staggered in the circumferential;
As shown in fig. 31, this kind of coding collar 4 with it is approximate in Fig. 3 H, difference is that tape loop is provided with a reference marker;Ginseng
Examine mark be on tape loop some magnetic relative to same polarity magnetic pole and magnetic field Strength Changes a magnetic pole, or the magnetic
Physics projection or physics depression 4Z on band;
The measurement signal that the feature of 5 induction code ring of induction installation 4 is detected, the measurement signal of the output of induction installation 5, can be direct
The signals such as periodic sinusoidal signal, triangle signal or square wave are exported or are modified to, for the control of elevator traction machine.
Claims (11)
1. a kind of elevator traction machine, including stator (1), rotor (2), fixed motor part (3), measurement apparatus, traction sheave (6),
Bearing (7), main part (8);The fixed motor part (3) is connected in main part (8) or is one with main part (8)
Body structure;It is characterized in that:
Stator (1) is installed on fixed motor part (3), and rotor (2) is supported in main part (8) by bearing (7), and is turned
Sub (2) are corresponding with stator (1) and set;
Measurement apparatus are used for rotor (2) position and/or the rotating speed of measurement motor, and the measurement apparatus include coding collar (4) and sense
Answer device (5);Coding collar (4) is circumferentially arranged on rotor (2) or rotor (2) connected rotating part, for being rotor (2)
It is position encoded;Induction installation (5) is arranged on fixed motor part (3), relative with coding collar (4), for reading coding collar
(4) signal.
2. elevator traction machine as claimed in claim 1, it is characterised in that
Coding collar (4) is a tape loop;The magnetic pole of multiple opposite polarities is arranged alternately on the tape loop successively;In the magnetic
One reference marker is set on band;Reference marker is that some magnetic becomes relative to same polarity magnetic pole and magnetic field intensity on tape loop
The magnetic pole changed, or physics projection or physics depression on the tape loop.
3. elevator traction machine as claimed in claim 2, it is characterised in that
Magnetic pole, reference marker are horizontal or angularly disposed.
4. elevator traction machine as claimed in claim 2, it is characterised in that
The magnetic pole lateral part of opposite polarity is staggered.
5. elevator traction machine as claimed in claim 1, it is characterised in that
Tape loop of the coding collar (4) including arranged in parallel and mechanical ring;Multiple opposite polarities are arranged alternately on tape loop successively
Magnetic pole;One reference marker is set on mechanical ring, and reference marker is that a physics is raised or physics is recessed on mechanical ring.
6. elevator traction machine as claimed in claim 1, it is characterised in that
Tape loop of the coding collar (4) including arranged in parallel and mechanical ring gear;Multiple opposite polarities are arranged alternately on tape loop successively
Magnetic pole;It is arranged alternately that multiple teeth are convex and mark of mouth on mechanical ring gear successively;The tooth on each magnetic pole and mechanical ring gear on tape loop
Position interlocks or the corresponding setting in position convex or mark of mouth in the circumferential.
7. elevator traction machine as claimed in claim 6, it is characterised in that
Reference marker is set on tape loop or mechanical ring gear.
8. elevator traction machine as claimed in claim 7, it is characterised in that
Reference marker on mechanical ring gear is the convex protrusion of tooth or reduces or few tooth or change flute profile or the extra teeth groove of setting;
Reference marker on tape loop is one of some magnetic relative to same polarity magnetic pole and magnetic field Strength Changes on tape loop
Physics on magnetic pole, or the tape loop is raised or physics is recessed.
9. the elevator traction machine as described in claim 6,7 or 8, it is characterised in that
Mechanical ring gear uses magnetic ring gear, and tooth thereon is convex with magnetic.
10. the elevator traction machine as described in claim 6,7 or 8, it is characterised in that
The convex use straight-tooth of tooth on magnetic pole horizontally set on tape loop, and mechanical ring gear;
Or, each magnetic pole is angularly disposed on tape loop, the convex use helical teeth of the tooth on mechanical ring gear;Magnetic pole and mechanical tooth on tape loop
Tooth on ring is convex and mark of mouth is inclined to tape loop with the same circumferential direction in mechanical ring gear adjoining center.
11. elevator traction machines as claimed in claim 1, it is characterised in that
Fixed motor part (3) includes left and right two parts, and stator (1), the right half of fixed motor part (3) are installed on left half
Positioned at rotor (2) right side, its top extends one section to the left, and extension (31) are positioned at rotor (2) right-hand member top;On rotor (2)
It is provided with traction sheave (6);
Coding collar (4) is circumferentially disposed on the right-hand member side face of traction sheave (6), and induction installation (5) is arranged on fixed motor part
(3) right half top is on extension (31) and relative with coding collar (4) to the left and set;
Or, coding collar (4) is circumferentially disposed on the end face of rotor (2), in annular shape, and induction installation (5) is arranged on motor
It is on fixed component (3) right half and relative with coding collar (4) and set;
Or, coding collar (4) is circumferentially disposed on traction sheave (6) on the side face of prominent disk portions (61);And induction installation (5)
Installed by the support arm being connected on fixed motor part (3), and on three-dimensional, be directed at coding collar (4).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710243997.7A CN106865377A (en) | 2017-04-14 | 2017-04-14 | Elevator traction machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710243997.7A CN106865377A (en) | 2017-04-14 | 2017-04-14 | Elevator traction machine |
Publications (1)
Publication Number | Publication Date |
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CN106865377A true CN106865377A (en) | 2017-06-20 |
Family
ID=59162425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710243997.7A Pending CN106865377A (en) | 2017-04-14 | 2017-04-14 | Elevator traction machine |
Country Status (1)
Country | Link |
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CN (1) | CN106865377A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112537707A (en) * | 2019-09-23 | 2021-03-23 | 杭州沪宁电梯部件股份有限公司 | Roller sensor |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101049882A (en) * | 2007-05-11 | 2007-10-10 | 天津大学 | Machine of Halbach permanent magnetism without gear wheel for dragging elevator |
CN101224835A (en) * | 2007-12-14 | 2008-07-23 | 宁波宏大电梯有限公司 | Elevator traction machine |
CN201154866Y (en) * | 2007-11-24 | 2008-11-26 | 宁波欣达电梯配件厂 | Driving gear for elevator |
JP2016111920A (en) * | 2014-11-26 | 2016-06-20 | 株式会社リコー | Permanent magnet type motor, position estimation device, and motor drive controller |
CN105905764A (en) * | 2016-06-15 | 2016-08-31 | 上海三菱电梯有限公司 | Elevator traction machine |
CN205610428U (en) * | 2016-04-27 | 2016-09-28 | 蒂森克虏伯电梯(上海)有限公司 | Permanent synchronous tractor |
CN206665909U (en) * | 2017-04-14 | 2017-11-24 | 上海昶屹机电科技有限公司 | Elevator traction machine |
-
2017
- 2017-04-14 CN CN201710243997.7A patent/CN106865377A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101049882A (en) * | 2007-05-11 | 2007-10-10 | 天津大学 | Machine of Halbach permanent magnetism without gear wheel for dragging elevator |
CN201154866Y (en) * | 2007-11-24 | 2008-11-26 | 宁波欣达电梯配件厂 | Driving gear for elevator |
CN101224835A (en) * | 2007-12-14 | 2008-07-23 | 宁波宏大电梯有限公司 | Elevator traction machine |
JP2016111920A (en) * | 2014-11-26 | 2016-06-20 | 株式会社リコー | Permanent magnet type motor, position estimation device, and motor drive controller |
CN205610428U (en) * | 2016-04-27 | 2016-09-28 | 蒂森克虏伯电梯(上海)有限公司 | Permanent synchronous tractor |
CN105905764A (en) * | 2016-06-15 | 2016-08-31 | 上海三菱电梯有限公司 | Elevator traction machine |
CN206665909U (en) * | 2017-04-14 | 2017-11-24 | 上海昶屹机电科技有限公司 | Elevator traction machine |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112537707A (en) * | 2019-09-23 | 2021-03-23 | 杭州沪宁电梯部件股份有限公司 | Roller sensor |
CN112537707B (en) * | 2019-09-23 | 2024-06-04 | 杭州沪宁电梯部件股份有限公司 | Roller sensor |
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Application publication date: 20170620 |