CN1736842A - Lift gate installation drived by direct current linear motion actuator - Google Patents
Lift gate installation drived by direct current linear motion actuator Download PDFInfo
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- CN1736842A CN1736842A CN 200410064397 CN200410064397A CN1736842A CN 1736842 A CN1736842 A CN 1736842A CN 200410064397 CN200410064397 CN 200410064397 CN 200410064397 A CN200410064397 A CN 200410064397A CN 1736842 A CN1736842 A CN 1736842A
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Abstract
Disclosed is a direct current linear motor drive elevator door, which uses moving-iron direct current linear motor as the directly-driving power source to elevator carriage door device, and samples the mechanical system of the door device. Compared with rotating variable-frequency door device and inductive variable-frequency door device, the manufacture of said device is simple, and the control system is also simple. Using low-voltage direct current makes the elevator door device is safe, reliable and without noise. And the magnetic levitation technique also can be introduced to make the device have more perfect property.
Description
Technical field
The present invention relates to the automatic door drive device of lift car, especially adopt the moving iron DC linear electric motor to make to drive the lift car automatic door device of power, belong to elevator cage door actuating device field.
Background technology
Because must satisfy the low speed and the adjustable speed requirement of elevator cab door, for a long time, the drive motor of lift car automatically-controlled door adopts the rotary DC motor of charged brush always.It exists following significant disadvantages: the one, and the moment characteristics under slow speed of revolution is bad, thereby must allow electrical motor be operated under the high rotational speed, adopts mechanicals device such as gear or belt pulley to reduce a speed.These additional devices have not only occupied original with regard to narrow elevator car roof space, have increased the weight of door control system, and have increased the fault rate and the maintenance cost of mechanical operating part.The 2nd, electric current was bigger when stall took place, easy burn-out motor and additional speed regulation device thereof.The 3rd, the rotor of motor adopts the brush power supply, easily strikes sparks, wearing and tearing and bad contact fault.
Along with the release of three-phase alternating current frequency-conversion voltage-varying speed control system, the lift car automatically-controlled door also begins to adopt the three-phase alternating current rotary electromotor to drive.But because of being equipped with good, the complicated RHVC of low frequency output characteristic, make that the technology of this system is comparatively complicated, cost is also higher.
Adopt the motor-driven elevator cab door of linear induction formula to save mechanical deceleration device, reduced volume, alleviated the weight of door machine device, abandoned brush and commufafor, reduced fault rate.For example U.S. Otis China application, the patent No. is the granted patent of ZL96108227.5---" linear motor door system of elevator ".But this patent disclosure is the elevator cab door that adopts linear induction formula electrical motor (LIM) to drive.And the primary winding of linear induction formula electrical motor must adopt Alternating Current Power Supply, it will realize low speed and speed governing, just still must adopt low frequency and frequency modulation technology, just still must be equipped with good, the complicated AC frequency conversion voltage-changing speed regulating system of low frequency output characteristic, thereby the electric-control system of device is still comparatively complicated, and manufacturing cost is also higher.Moreover linear induction formula electrical motor can produce electromagnetic shock and noise under the low frequency condition, also can be owing to adopting the pulse-frequency modulation technology to produce a large amount of harmonic waves, and these problems need to adopt any special measures just can solve again.So, for example be both U.S. Otis in Chinese patents, application number is 95103843 patent application: " noise free linear induction motor elevator car door drive ", and the patent No. is the granted patent of ZL97114177.0: " high-performance linear induction motor driven door-operator " all is control method for correcting and the technological means that it is adopted the complexity that the linear induction motor of alternating current does.Except adopting gate (hatch door) drive motor of AC linear induction machine (LIM) as elevator, consult China and play the patent application that ends 2004 on January 10, during this from April one, 1, it is open as the patent application of gate (hatch door) drive motor of elevator to there is no employing DC linear motor (LDM).
It is blank and propose a kind of employing DC linear electric motor (LDM), especially adopt the lift car door drive of moving iron DC linear electric motor that the present invention just is being based on and is overcoming the above problems, filling up design.It utilizes the low-voltage dc power supply that itself just is equipped with in the apparatus for controlling elevator to be driving power, with domestic application for a patent for invention number is that main design plan 200410034563.9, that name is called " long travel moving iron DC linear electric motor " is applied to the door motor of elevator, thereby has solved the low speed and the variable speed drive control problem of elevator cab door comparatively simply, effectively.
Summary of the invention
The present invention is achieved in that at upper horizontal ground installation one cover of car first door leaf [10] or second door leaf [15] or two fan gates and respectively adorns the moving iron DC linear electric motor of a cover as gate drive motor [8].Described gate drive motor [8] has comprised the long wound stator parts [1] and the permanent magnetism mover component [5] of DC linear electric motor.The integral body of described long wound stator parts [1] is long column shape, which comprises at least ferromagnetic material inner core [2], stator winding [3] and stator sheath [4].In fact, the stator component global shape of motor is determined by ferromagnetic material inner core [2] that mainly its transversal surface can be circle, annular, rectangle or other shape, for example can also be " C " shape or triangle or " II " shape etc.Stator winding [3] is wound on the outside of ferromagnetic material inner core [2].It can constitute with the one whole section winding that has tap, also can closely arrange or overlap mutually with a plurality of segmentation windings that have the end tap to constitute.After the coiling lead tap of each winding was drawn, as the control lead-in wire of linear motor, the control circuit [30] of transferring to linear electric motors came it is carried out the control of the step-type size of current of order, direction and break-make.Described permanent magnetism mover component [5] is made up of permanent magnet [6] and mover connecting element [9] at least, also can install the mover duplicate of making of permanent magnetism or ferromagnetic material [7] additional.The shape of permanent magnetism mover component [5] should adapt with long wound stator parts [1], preferably is enclosed within the pipe shape or the rectangular tubular structure of long wound stator parts [1] outside, also can be that transversal surface is " C " shape or structures such as triangle or " II " shape.Concerning the permanent magnetism mover of tubular structure, the magnetic pole form of its interior permanent magnet [6] is preferably therefrom that mind-set external irradiation shape magnetizes, or adopts the array configuration of a plurality of magnets, and its inside face is a magnetic pole but make, and outside face is another magnetic pole.Also can adopt the tubular structure permanent magnet of axial charging.The magnetic pole of rotor permanent magnet can be directly adjacent to or pass through the magnetic material surface of close long wound stator parts [1] indirectly, and can be along the motion along the long axis of long wound stator parts [1].
In order to control described DC linear motor, can (for example can utilize permanent magnetism mover component [5] by movable parts with permanent magnetism mover component [5] interlock, or utilize door leaf [10] and [15], or utilize first power wheel [23], or second power wheel [24], or flexible drive parts such as [25]), suitable position in its stroke is installed contact travel switch or contactless near sensitive members such as switch [31], so that the signal of mover component [5] present position is provided to control circuit [30], realization is implemented sequence of currents step wise control piecemeal to each the segmentation winding in the DC linear motor stator winding [3], and then to the kinematic velocity of mover component [5], sense of motion is implemented control.As further design of the present invention, promptly to DC linear motor, and then to the accurate control device of elevator cab door, can also (for example can utilize permanent magnetism mover component [5] by movable parts with permanent magnetism mover component [5] interlock, or utilize door leaf [10] and [15], or utilize first power wheel [23], or second power wheel [24], or flexible drive parts such as [25]), a photo-electric of installation, or revolving velometer or impulse deviser [32], so that the accurate signal or the kinematic velocity signal of mover component [5] present position are provided to control circuit [30], and then control its output on-off element on-off, and each the segmentation winding in the stator winding [3] implemented size of current piecemeal, the order step wise control of electric current, and then realization is to the accuracy control of elevator cab door [10] and [15].As further design of the present invention, damping, the damper element [14] of mechanical type or electromagnetic type can be set in position, with the running velocity and/or the operation terminal velocity of restriction door leaf [10] and [15].As further design of the present invention, each sectional coil lead-in wire two ends shunt resistance device that can be in stator winding [3], or by binistor shunt resistance device indirectly.For the mover of linear electric motors, the access of this resistance device can be played the electromagnetic damping effect.
After adopting the propulsion source of DC linear motor as the elevator cab door machine, maglev two kinds of schemes have just had the condition that makes full use of.First kind of scheme is " permanent-magnet attractive formula ", method can be: on a door fixed frame [16], along floating supporting member [40] of on even keel fixed installation one cover magnetic all in the whole door leaf stroke of direction of opening the door, its lower surface fixed magnetic material armature [42], the lower surface of magnetic material armature [42] is the plane, and perhaps its section is " II " shape.In addition, by being fixed on the attaching parts [20] on the door leaf, being embedded with the servo-actuated permanent-magnet component [43] that together moves with door leaf.The pole surface of servo-actuated permanent-magnet component [43] upwards, the position is all the time in the below of magnetic material armature [42], and near its lower surface, between form a little gap, magnetic field.Like this, that elevator door leaf [10] just is subjected to all the time is that a direction makes progress, with the cooresponding permanent-magnet attractive power of its gravity, most of gravity of door leaf will be transferred on the floating supporting member [40] of magnetic by this attractive force.Certainly, a device that can limit the magnetic gap between permanent-magnet component [43] and the magnetic material armature [42] also must be arranged when adopting the method, this can realize by door leaf track adjusting wheel, guided way, also can directly utilize the stator of DC linear electric motor and guiding, the restriction of mover to realize.
Second kind of scheme is " permanent magnetism repulsion formula ", method can be: with surface aforesaid, that be horizontally fixed on the floating supporting member [40] of magnetic on the fixed frame [16], be embedded with two groups have planar poles, the square up bevelled strip-shaped permanent-magnet of its pole surface assembly [44], and with fixing two groups of servo-actuated permanent-magnet components [43] on the aforesaid door leaf attaching parts [20], its position is respectively in the top of two groups of strip-shaped permanent-magnet assemblies [44].The pole surface of servo-actuated permanent-magnet component [43] tilts downwards, and all the time near the pole surface of strip-shaped permanent-magnet assembly [44].And servo-actuated permanent-magnet component [43] is identical with the pole polarity of two groups of relative pole surfaces of strip-shaped permanent-magnet assembly [44].Like this, because servo-actuated permanent-magnet component [43] is last, fixing strip-shaped permanent-magnet assembly [44] is down, and their rely on the repulsive force in the middle of the trend and reach balance, and rely on this repulsive force, most of force of gravity of door leaf to the floating supporting member [40] of magnetic.Equally, also must there be one can limit the servo-actuated permanent-magnet component [43] and the fixing device of the magnetic gap between the permanent-magnet component [44] when adopting this method, this also can realize by door leaf track adjusting wheel, guided way, can also directly utilize the stator of DC linear electric motor and guiding, the restriction of mover to realize.
This motor of a cover both can have respectively been installed in the setting of the DC linear electric motor among the present invention above each door leaf of car door, also a cover can only be installed above the active door leaf.Wherein, need the long wound stator parts [1] of the DC linear electric motor of power supply to be fixedly mounted on the fixed frame [16] of a head, the permanent magnetism mover component [5] that need not power can directly be fixedly mounted on the door leaf [10], also can be installed on the Transmission that can drive door leaf [10] and [15] indirectly.Even can also be installed in the long wound stator parts [1] of DC linear electric motor the top of car first door leaf [10], and the permanent magnetism mover component [5] of same set of DC linear electric motor is installed in the top of second door leaf [15].
The invention has the beneficial effects as follows: 1, manufacturing is comparatively simple, and speed control is also easy than induction type linear motor.2, brushless, nothing machinery deceleration system, the mover of motor can directly link to each other with gate, direct drive.3, adopt direct current (DC) control door machine, safer compared with the induction machine that adopts alternating current, and noiseless, noiselessness.4, compare with the induction type linear motor, gate drive element of the present invention (mover) does not need power supply, thereby need not the servo-actuated cable and drag line.This can stop fully because of the contingent fault of the cable that fractures for the elevator cage door of frequently opening and closing.5, because car door has adopted comparatively simple passive mover to come direct drive, reduced the mechanical device of door machine, make and in the door mechanism system of elevator, adopt the magnetic levitation technology of low friction to become possibility.6, fill up DC linear electric motor and be applied to the blank that elevator door-motor drives.
Description of drawings
Describe with regard to structural feature of the present invention below.
Accompanying drawing 1 is the whole basic design diagram of elevator cage door device of the present invention.
Accompanying drawing 2 is for driving the DC linear electric motor vertical section structure scheme drawing of elevator cage door.
Accompanying drawing 3 is depicted as the elevation profile principle schematic of moving iron DC linear electric motor of the present invention.This design-calculated basic structure and principle have adopted another patent application of the inventor, and (name is called " long travel moving iron DC linear electric motor ", application number is " 200410034563.9 "), its operating principle is not given unnecessary details at this, only construction features is done an explanation here.
Among the accompanying drawing 3-1, permanent magnetism mover component [5] in a tubular form is enclosed within the outside of long wound stator parts [1], can be along its axially (being the vertical profile direction) motion.Its magnetizing direction of permanent magnet [6] in the permanent magnetism mover component [5] is magnetic pole of inside face, and outside face is another magnetic pole.It can adopt radial from inside to outside magnetizing to constitute by integral body magnet in a tubular form, also can form integral body magnet combination in a tubular form by a plurality of magnet combination.Its polarity both can be that the inside face of close wound stator parts [1] is the N utmost point, and outside face is the S utmost point, also can be that inside face is the S utmost point, and outside face is the N utmost point.But behind stator winding electrifying, the pole polarity of mover will directly have influence on the sense of motion of permanent magnetism mover component [5].Mover annex [7] among the figure can be a permanent magnet, also can make with the soft-magnetic material of high permeability.The direction of arrow that indicates among the figure is the signal direction of the permanent magnet magnetic line of induction.It is from the N utmost point of permanent magnet [6], through stator winding [3], stator core [2], oppositely pass stator winding [3] again, gets back to the S utmost point and constitutes closure.The design's main points are: if certain section stator winding that line of magnetic induction passes current-carrying enters stator core [2], then should make line of magnetic induction just constitute closure behind another section stator winding through current-carrying not as far as possible when oppositely passing.Analyze theoretically, such design can obtain higher electrical efficiency.
Accompanying drawing 3-2 is the another kind of structural principle scheme drawing of moving iron DC linear electric motor of the present invention.Only be that with above-mentioned main difference the contained permanent magnet of permanent magnetism mover component [5] [6] in a tubular form is an axial charging, promptly two end respectively presents a kind of magnetic pole.In order to allow its line of magnetic induction constitute C/LOOP by stator winding [3], stator core [2], the two ends of magnet have installed a mover annex [7] equally in a tubular form, that make with soft-magnetic material respectively additional.
Accompanying drawing 7 is DC linear electric motor control circuit of the present invention and operating principle scheme drawing one example thereof, and this is a kind of scheme of controlling current of electric by segmentation winding order step wise mode.Its principle is summarized as follows:
Permanent magnet [6] contained in the permanent magnetism mover component [5] of DC linear electric motor shown in the figure is a tubular structure, and it is enclosed within the outside of stator component [1], and the one side of close stator winding [3] is the N utmost point, and the outside is the S utmost point.If the residing position of mover magnet [6] foot in the drawings supposes that this is equivalent to gate and is in opening position during beginning.This moment, travel switch K1 and K2 connected because of pressurized.When closed relay J2 adhesive, control current is through positive source V+, and the GX that flows through, J2 enter coil segment L1 and L2 through K1 and K2, coil series resistance R11 and R12 again, return power cathode V-.So under the Lorentz force effect, rotor permanent magnet [6] goes up the direction motion in figure, this just makes gate begin to close the door.Magnet in the motion [6] leaves the residing position of coil segment L1, so K1 disconnects.Then magnet [6] moves to the position of coil segment L3 and connects travel switch K3, then coil segment L3 passes through electric current, make permanent magnet [6] continue the top motion (motion of promptly closing the door) in figure, and move to gate with this principle and close fully, just cut off the power supply because of being pressed onto door-closing in-place travel switch GX at last, motion stops to close the door.Equally, when opening the door relay J 1 adhesive, the following direction motion (this moment gate open) of permanent magnet in figure.Along with its motion, travel switch also is switched on from K5 to K1 one by one, and coil segment also is switched on electric current one by one from L5 to L1, makes permanent magnet [6] move to the gate complete opening with this principle, just cut off the power supply because of being pressed onto the travel switch KX that puts in place of opening the door at last, motion stops to open the door.
In fact, as further design of the present invention, can adopt contactless travel switch to replace K1 to K5 among Fig. 7.For example can adopt photoelectric switch, near switch, or adopt accurate position detector such as rotary-type impulse deviser, digital rotary encoder, by the digital-control circuit in the control circuit [30], can drive one group at last has contact type relay or contact pointless type solid-state relay again.These relays are as the control element of each sectional coil in the stator winding, in order to replace each contact travel switch function of K1 to K5 among Fig. 7.After adopting digital means and direct current voltage reulation technology, the car door among the present invention can obtain softer, more accurate control.
The quantity of the segmentation winding in the actual stator winding [3] can according to circumstances be selected, and it is relevant with factors such as door opening width, power of motor, step of reductions.
Fig. 4-1 is the DC linear electric motor of employing pipe shape permanent magnetism mover and the section structure scheme drawing of gate device thereof.
Fig. 4-2 is the DC linear electric motor of employing rectangular tubular permanent magnetism mover and the section structure scheme drawing of gate device thereof.
Fig. 5-1 is employing pipe shape permanent magnetism mover DC linear electric motor, and has used the section structure scheme drawing of the gate device of permanent-magnet attractive formula magnetic levitation technology simultaneously.
Fig. 5-2 is employing rectangular tubular mover DC linear electric motor, and has used the section structure scheme drawing of the gate device of permanent-magnet attractive formula magnetic levitation technology simultaneously.
Fig. 6 is employing rectangular tubular mover DC linear electric motor, and has used permanent magnetism to repel the section structure scheme drawing of the gate device of formula magnetic levitation technology simultaneously.
Parts code name or element code name that the above each accompanying drawing is involved are described as follows:
Long wound stator parts [1]; Stator core [2]; Stator winding [3]; Stator sheath [4]; Permanent magnetism mover component [5]; Permanent magnet [6]; Mover duplicate [7]; Gate drive motor [8]; Mover connecting element [9]; First door leaf [10]; Door leaf energy disperser [11]; Door leaf limiting device [12]; Stator connects, supporting member [13]; Damping, damper element [14]; Second door leaf [15]; A door fixed frame [16]; Door pin slide block [17]; Gate sill [18]; Drive of motor attaching parts [20]; Door leaf attaching parts [21]; Driven door transmission connection piece [22]; First power wheel [23]; Second power wheel [24]; Flexible drive [25]; Flexible drive transmission connection piece [26]; Supporting, track adjusting wheel [27]; The anti-jump wheel [28]; Supporting, guided way [29]; Control circuit [30]; Sensitive member [31]; Impulse deviser [32]; Motor cable head [33]; Motor cable [34]; Magnetic floats supporting member [40]; Supporting connecting piece [41]; Magnetic material armature [42]; Servo-actuated permanent-magnet component [43]; Fixing strip permanent-magnet component [44].
Element code name supplemental instruction in the accompanying drawing 7: control circuit [30]; Each sectional coil L1, L2 in the stator winding [3], L3, L4, L5; The adjustable resistance R1 in parallel of each sectional coil winding, R2, R3, R4, R5; The series connection adjustable resistance R11 of each sectional coil winding, R12, R13, R14, R15; Be installed in travel switch normal opened contact K1, K2, K3, K4, K5 on the fixed frame [16], that control each sectional coil winding; The normally closed contact GX of door-closing in-place travel switch; The normally closed contact KX of travel switch of putting in place opens the door; The relay J 1 of opening the door; Closed relay J2; Dc power anode V+; Dc power cathode V-.
The specific embodiment
Embodiment one: adopt the DC linear electric motor of pipe shape permanent magnetism mover and a kind of embodiment of gate device thereof, its section structure is seen scheme drawing accompanying drawing 4-1.
Embodiment two: adopt the DC linear electric motor of rectangular tubular permanent magnetism mover and a kind of embodiment of gate device thereof, its section structure is seen scheme drawing accompanying drawing 4-2.
Embodiment three: adopt pipe shape permanent magnetism mover DC linear electric motor, and used a kind of embodiment of the gate device of permanent-magnet attractive formula magnetic levitation technology simultaneously, its section structure is seen scheme drawing accompanying drawing 5-1.
Embodiment four: adopt rectangular tubular mover DC linear electric motor, and used a kind of embodiment of the gate device of permanent-magnet attractive formula magnetic levitation technology simultaneously, its section structure is seen scheme drawing accompanying drawing 5-2.
Embodiment five: adopt rectangular tubular mover DC linear electric motor, and used a kind of embodiment of the gate device of permanent magnetism repulsion formula magnetic levitation technology, its section structure scheme drawing accompanying drawing 6 simultaneously.
In embodiment three, four, five, if the lift car door leaf is a midsplit type, one cover DC linear electric motor then must all be installed respectively, and two fan door tops are all as Fig. 5 with aspiration-type or repulsion formula magnetic floating system be installed as shown in Figure 6 on first door leaf [10] and second door leaf [15].Required magnetic gap in the magnetic floating system among the figure, the stationkeeping and the horizontally-guided that directly rely on DC linear electric motor itself are used for realizing, also can adopt modes such as installing auxiliary guide wheel, secondary guide additional to realize certainly.
More than the fixed form of long wound stator parts [1] among each embodiment, preferred employing is fixed on the fixed frame [16] as shown in Figure 1.Under the condition of just using a cover DC machine, also long wound stator parts [1] can be fixed on the top of second door leaf [15].
Door motor control circuit [30] among the present invention also can adopt programmable controller (PLC) to replace, or the electronic circuit that adopts microcomputer, micro controller system to make dominant control replaces.
Claims (9)
1. lift gate installation drived by direct current linear motion actuator, comprise supporting member, guide, Transmission, first door leaf [10], second door leaf [15], a door fixed frame [16], gate drive motor [8] and door motor control circuit [30], it is characterized in that: described gate drive motor [8] adopts the moving iron DC linear electric motor, and it comprises long wound stator parts [1] and a permanent magnetism mover component [5] at least; Described long wound stator parts [1] both can be fixed on the door fixed frame [16] of door leaf top, can be fixed on again on first door leaf [10] or second door leaf [15]; Described permanent magnetism mover component [5] directly or indirectly links to each other with first door leaf [10] or second door leaf [15]; Described door motor control circuit [30] is intended to the stator winding [3] in the described long wound stator parts [1] is implemented the control of size of current, break-make and direction of current.
2. elevator cage door device as claimed in claim 1, it is characterized in that: described long wound stator parts [1] are the long column shape bodies of transversal surface rounded or annular or rectangle or other shape, and it comprises the stator sheath [4] that stator core [2], stator winding [3] and outside face are essentially smooth at least; Described permanent magnetism mover component [5] comprises permanent magnet [6] and mover connecting element [9] at least, and the pole surface of permanent magnet [6] can directly or be passed through the magnetic material surface of close long wound stator parts [1] indirectly, and movable along the long axis direction of long wound stator parts [1].
3. elevator cage door device as claimed in claim 1, it is characterized in that: described stator winding [3] is wound on the surface of ferromagnetic material inner core [2], it can be the whole section winding that has the continuous coiling of tap, also can closely be arranged and is constituted by some winding tap, the segmentation coiling orders that respectively carry.
4. elevator cage door device as claimed in claim 1 is characterized in that: described permanent magnetism mover component [5] can also contain the mover duplicate [7] that permanent magnetism or high-permeability material are made except that containing permanent magnet [6] as its main part.
5. as claim or 1 or 3 described elevator cage door devices, it is characterized in that: utilization can be with the Transmission or the movable parts of permanent magnetism mover component [5] interlock, suitable position in its stroke is provided with some travel switches or sensitive member [31], it is as the control element in the door motor control circuit [30], be intended to each the segmentation winding in the stator winding [3] is implemented respectively the sequence control of electric current, and then the position of permanent magnetism mover component [5] and/or kinematic velocity and/or sense of motion are implemented control.
6. as claim or 1 or 3 described elevator cage door devices, it is characterized in that: utilization can be with the Transmission or the movable parts of permanent magnetism mover component [5] interlock, an opto-electronic pickup or velometer or impulse deviser [32] are set, it is as the digital sense element, be intended to provide the position signal and/or the kinematic velocity signal of permanent magnetism mover component [5] for door motor control circuit [30], so that door motor control circuit [30] can be controlled its switch output element each the segmentation winding in the stator winding [3] is implemented the sequence control of electric current respectively, and then the position of permanent magnetism mover component [5] and/or kinematic velocity and/or sense of motion implemented accuracy control.
7. elevator cage door device as claimed in claim 1, it is characterized in that: at the suitable position of a door fixed frame [16] damping, the damper element [14] of mechanical type and/or electromagnetic type are set, are intended to limit the operation terminal velocity of the running velocity and/or the restriction door leaf [10] and [15] of door leaf [10] and [15].
8. elevator cage door device as claimed in claim 3 is characterized in that: each sectional coil in the stator winding [3] is the shunt resistance device discriminably, perhaps passes through on-off element shunt resistance device indirectly.
9. elevator cage door device as claimed in claim 1 is characterized in that: aspiration-type can be installed in the whole movement travel of door leaf [10] and [15] or repel formula door leaf magnetic suspension bearing device, to reduce the running resistance and the running noises of elevator cage door device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410064397 CN1736842A (en) | 2004-08-22 | 2004-08-22 | Lift gate installation drived by direct current linear motion actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410064397 CN1736842A (en) | 2004-08-22 | 2004-08-22 | Lift gate installation drived by direct current linear motion actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1736842A true CN1736842A (en) | 2006-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410064397 Pending CN1736842A (en) | 2004-08-22 | 2004-08-22 | Lift gate installation drived by direct current linear motion actuator |
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| CN (1) | CN1736842A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108880179A (en) * | 2017-05-12 | 2018-11-23 | 奥的斯电梯公司 | Door operators with switch magnetic flow linear motor |
| CN110409962A (en) * | 2018-04-27 | 2019-11-05 | 长春市苏伟磁悬浮技术研究所 | A kind of magnetic suspension door |
| CN113023534A (en) * | 2021-03-30 | 2021-06-25 | 中国科学院宁波材料技术与工程研究所 | Gantry crane system based on double linear motors and synchronous motion control method thereof |
-
2004
- 2004-08-22 CN CN 200410064397 patent/CN1736842A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108880179A (en) * | 2017-05-12 | 2018-11-23 | 奥的斯电梯公司 | Door operators with switch magnetic flow linear motor |
| CN110409962A (en) * | 2018-04-27 | 2019-11-05 | 长春市苏伟磁悬浮技术研究所 | A kind of magnetic suspension door |
| CN113023534A (en) * | 2021-03-30 | 2021-06-25 | 中国科学院宁波材料技术与工程研究所 | Gantry crane system based on double linear motors and synchronous motion control method thereof |
| CN113023534B (en) * | 2021-03-30 | 2021-08-24 | 中国科学院宁波材料技术与工程研究所 | Gantry crane system based on double linear motors and synchronous motion control method thereof |
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