CN1624573A - Vibration eliminating device and method of rotating disc - Google Patents
Vibration eliminating device and method of rotating disc Download PDFInfo
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- CN1624573A CN1624573A CN 200310120782 CN200310120782A CN1624573A CN 1624573 A CN1624573 A CN 1624573A CN 200310120782 CN200310120782 CN 200310120782 CN 200310120782 A CN200310120782 A CN 200310120782A CN 1624573 A CN1624573 A CN 1624573A
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- rotating disc
- storage tank
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- vibration
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Abstract
The invention discloses a vibration eliminating device for rotating plate of a filtering rotating wheel assembly and its method, which can elimination the vibration caused by unbalance of rotating plate effectively. The method is concretely to use a fluid which can be solidified and multiple balls ball filled with the slot on the rotating plate, and the moving to the relative balanced position is driving by unbalanced force created by the rotation; then, making use of its characteristic to be solidified, the ball can be placed orientated in the slot, which can eliminate the vibration of the rotating plate rotating of the filtering rotating wheel module.
Description
(1) technical field
The invention provides a kind of vibration cancelling arrangement and method that is applied to the rotating disc of the optical filtering wheel set assembly in the image display system, particularly a kind of characteristic of utilizing a plurality of spheroid collocation to have the fluid of curability is eliminated the rotating disc vibration cancelling arrangement and the method for the vibration that is produced because of the rotating disc rotation.
(2) background technology
Rotating disc is in the process of rotation, be to be center stable equilibrium ground rotation in theory according to its turning axle, yet, in fact but can be because of making the problem that goes up in inborn defective or the assembling cooperation day after tomorrow, make the mass distribution inequality of rotating disc can produce vibration when causing rotating disc to rotate, though Zhen Dong amplitude and not quite in some cases, but the optical system for accurate day by day can be described as precision and improves topmost key point.
(Color wheel module) is example with the optical filtering wheel set assembly, it is to be widely used in the image display system, US5868482 number institute addresses as the United States Patent (USP) notification number, the optical filtering runner is to utilize the multi-disc colored filter to fit to form, utilize its color of rotating the modulation incident light, and the light beam of the needed fast cycle change color of image display imaging can be provided.Yet the optical filtering runner is a color of switching incident light by rotating, so the imaging problem that imbalance is produced when rotation of meeting.
Existing balanced compensated mode is to spiral to transfer with actual driven in rotation to find out unbalanced position mostly, and modal mode sees also Figure 1A and 1B.Figure 1A is the existing structural representation of measuring rotating disc 11 non-equilibrium states.Figure 1B is the synoptic diagram that shows when rotating disc 11 is in non-equilibrium state.Shown in Figure 1A and 1B, existing method at first is to utilize 11 rotations of rotation motor 12 driven in rotation dishes, because the unbalance mass, M of rotating disc 11 can produce centrifugal force when rotation, this centrifugal force can cause vibration, at this moment, the size and the phasing degree thereof that utilize inductors such as quickening rule can measure vibratory output, the size of vibratory output and phasing degree thereof can be counted thus, calculate size and the phasing degree θ thereof of unbalance mass, M.In addition, when rotating disc 11 drives, be subjected to the interference that desktop etc. is placed planes, utilize on the suspension flat board 13 that spring 14 constituted so rotating disc 11 and rotation motor 12 be fixed in.
Then, meter is calculated unbalanced synoptic diagram, shown in Figure 1B, calculate on the rotating disc 11 angle of a unbalanced mass M and position thereof when meter after, modal solution has two kinds, fill up or remove corresponding quality exactly, the fabricator can take the quality that correspondence is filled up by corresponding side in 180 degree in unbalanced mass M position to eliminate vibration, also can take to remove corresponding quality in unbalanced mass M position and eliminate vibration.Yet during actual operation, the position of mass M and size are not to calculate so accurately, can only obtain a summary value, utilize the mode of repetition test to proofread and correct again.For instance, as utilize the mode of boring to eliminate quality, when calculating the unbalance mass, M of disc 11, just subdrilling one aperture on unbalanced mass M position is removed a certain amount of quality, then preliminary operation once again, if find still not enough, then continue at and bore an aperture again, if find to bore too much, then one side is bored an aperture in addition in the diagonal angle; Carry out so repeatedly, when rotating disc 11 is driven in rotation, reach complete equipilibrium till.Such balance correcting mode, efficient is very low, and the balance correction of finishing at last neither revise completely, only can say so measure, balance in the error of calculation scope.
(3) summary of the invention
The present invention is vibration cancelling arrangement and the method that provides a kind of rotating disc for addressing the above problem, and can effectively eliminate the vibration that is for example produced in rotation because of imbalance for rotating discs such as optical filtering runners.
According to vibration cancelling arrangement and the method that is used for the rotating disc of image display system of the present invention, at first, be on rotating disc, to form a storage tank, be filled with fluid and a plurality of spheroid in the storage tank with curability, utilize spheroid itself can be in fluid the free rolling characteristic, when rotating disc rotates, fluid and spheroid can move to the position distribution of balance automatically, and then utilize the curable characteristic of fluid with fluid solidifies, spheroid is promptly fixing thereupon in the position of storage tank, so, promptly finishes the balance correction of rotating disc, not only be easy to implement, more can reach accurate balance correction simultaneously.
For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.
(4) description of drawings
Figure 1A is the existing structural representation of measuring the rotating disc non-equilibrium state;
Figure 1B is the existing unbalanced synoptic diagram of rotating disc;
Fig. 2 A, 2B, 2C are the synoptic diagram of self-poise principle of the present invention;
Fig. 3 A～3D is the forward and backward synoptic diagram of balance correction of rotating disc of the present invention;
Fig. 4 A～4C is the synoptic diagram of the storage tank of rotating disc of the present invention;
Fig. 5 measures the structural representation of rotating disc non-equilibrium state for the present invention; And
Synoptic diagram when Fig. 6 A, 6B are applied to the colorized optical filtering wheel set assembly for the present invention.
(5) embodiment
Vibration cancelling arrangement and the method for eliminating unbalanced rotating disc according to the present invention mainly is the optical filtering wheel set assembly that is applied in the image display system, its principle is as follows, shown in Fig. 2 A to 2C, one unbalanced mass M is arranged on one carrier 21, other has a plurality of steel balls 22 to be placed in the carrier 21, when carrier 21 rotated with an angular velocity omega, unbalanced mass M produced vibration displacement E because of centrifugal action one, and this vibration displacement E will produce a directed force F e (Fe=me ω to steel ball 22
2M is the steel ball quality), at this moment, the component Ft of Fe tangential direction (Ft=Fe*cos (α), wherein α for the angle of radial direction) will impel the reverse direction of a plurality of steel balls 22 to move along the circumferencial direction of carrier 21 toward unbalanced mass M, till balance.Because these a plurality of steel balls 22 and carrier 21 exist the relation of friction, steel ball 22 will be difficult to reach the state of complete equipilibrium.The quality that adds fluid merely on carrier 21 is limited, possibly can't reach the amount of unbalance M of full remuneration rotating disc, therefore, embodiments of the invention are that a plurality of spheroids with the fluid of curability collocation tool extra fine quality replace steel ball 22, because there is not the problem of friction in fluid, so can reach the state of complete equipilibrium.
Therefore, the present invention utilizes above-mentioned principle, but a plurality of spheroids that promptly utilize 33 collocation of tool solidity fluid to have extra fine quality are realized the balance of rotating disc.See also Fig. 3 A to 3D, the synoptic diagram of Fig. 3 A to 3D during for rotating disc balance correction of the present invention.Shown in Fig. 3 A to 3D, the present invention forms one to have the storage tank of same rotation center with rotating disc 31 prior to utilizing a basin body 32 on the rotating disc 31; Then, utilize a vibration measurement device (not shown) driven in rotation dish 31 to rotate and measure the amount of unbalance of rotating disc 31 again, for example rotating disc 31 1 sides have a unbalanced mass M; Afterwards, but in the spheroid 34 of fluid 33 that in storage tank, is filled with the tool solidity under the static state and some to compensate above-mentioned unbalance mass, M.Need to prove that especially in the embodiments of the invention, spheroid 34 is that (for example: steel ball), certainly, also quite the nonmetal spheroid of quality is (for example: spheres of ceramic) come the substituted metal spheroid for spheroid 34 for ganoid metal ball body.
Then, again rotating disc 31 is placed on as on the rotary drive mechanisms such as vibration measurement device, when rotation rotating disc 31, because mass M is in the one side, according to aforementioned principles, fluid 33 and a plurality of spheroid 34 can be subjected to the effect of vibration force, and along the circumferential direction flow to opposite side, and the sidewall that is subjected to basin body 32 is limited in the storage tank, shown in Fig. 3 B; With Fig. 3 A is example, and unbalanced mass M is to be positioned at the right side, so fluid 33 can drive the left side that a plurality of spheroids 34 can concentrate on basin body 32 at last, says ideally, and fluid 33 and a plurality of spheroid 34 can concentrate entirely on the left side shown in Fig. 3 C.Because fluid 33 can be subjected to the influence of viscous force and surface action power, centrifugal force, actual distribution should be the distribution of similar Fig. 3 D.Afterwards, the quality that fluid 33 and a plurality of spheroid 34 concentrate on the left side can offset with the unbalanced mass M on right side, and at this moment, rotating disc 31 promptly is in the state of balance, and can not produce vibration because unbalanced pass is.After treating rotating disc 31 balances, fluid 33 is solidified, a plurality of spheroids 34 also can be fixed in the distribution of this moment simultaneously, make rotating disc 31 can forever keep equilibrium state again.
Because be the relative position distribution that automatically moves to balance by spheroid 34, the fluid 33 after the balance and the mass distribution of spheroid 34 just can be offset the unbalance mass, M of rotating disc 31, compared to existing mode, not only save the tediously long time of repetition test repetition balance, and the state of balance is more accurate.In addition, the present invention is to adopt photosensitivity curing liquid (for example being UV glue), heat sensitivity curing liquid or double-formulation curing glue about the fluid 33 of tool curability, so corresponding curing mode just provides luminous energy, heat energy is provided or provides catalyzer that fluid 33 can be solidified, certainly the fluid 33 that has curability does not also limit three classes for this reason, so long as the fluid that can solidify gets final product.
In addition, kenel about storage tank, can be as shown in Figure 3A, for utilizing a basin body 32 installings (for example can be gummed, locking, engaging and fastening or other similar fixed form) on rotating disc 31, and in order to prevent that fluid 33 from overflowing in rotary course, so disk body 32 sidewall apical margins have the flange 35 that extends internally.Certainly, also can utilize the mode (shown in Fig. 4 A) of ring body 36 to be installed on the rotating disc 31, so also can form storage tank for fluid 33 and spheroid 34 fillings.On the other hand, if consider that the few or basin body 32 of fluid 33 amounts of filling and ring body 36 sidewalls are higher, also can utilize non-lipped design shown in Fig. 4 B, 4C.
In the real balance, also can utilize equally rotating disc 31 is installed on the turning axle 42 of rotation motor 41, make rotating disc 31 can be subjected to its driven rotary, similarly, the indeterminacy for fear of being interfered can connect a suspension dull and stereotyped 43 by spring 44 and fix whole group structure, as shown in Figure 5.
And when being applied to the colorized optical filtering wheel set assembly, seeing also Fig. 6 A, 6B, optical filtering wheel set assembly 50 includes a rotation motor 54, a turning axle 541, a storage tank 52 and an optical filtering runner 51.Rotation motor 54 can drive 541 rotations of this turning axle, and 52 of storage tanks are formed on the inner peripheral of optical filtering runner 51 and with optical filtering runner 51 has same rotation center.In addition, the combination of storage tank 52 and optical filtering runner 51 then can closely be disposed at and driven by rotation motor 54 and rotate.
The upper surface of the inner peripheral of optical filtering runner 51 is to be connected in storage tank 52, ways of connecting can be used direct bonding or other similar method, and storage tank 52 can be aforesaid any enforcement aspect (basin body, ring body etc.), its inner filling has curability fluid 33 and a plurality of spheroid 34, certainly, the quantity of spheroid 34 and material also as the described metal ball body that can be of the foregoing description, also can be nonmetal spheroid.In addition, optical filtering runner 51 is made up of the colored filter film 511 of a plurality of light-permeables, make the light beam modulation by colored filter film 511 change color, colored filter film 511 is in the majority with red, green, blue and white, and is designed to the fan-shaped optical filtering runner 51 that forms a circle.
Compared to prior art, the vibration cancelling arrangement and the method for optical filtering wheel set assembly of the present invention and rotating disc thereof, be utilize fluid itself can be in storage tank the spheroid of free-flowing properties and arrange in pairs or groups tool extra fine quality and quantity, when the rotating disc high-speed rotation, fluid and spheroid can move to the position distribution of balance, and then utilize the curable characteristic of fluid, with fluid solidifies, can finish the balance correction of rotating disc, not only be easy to implement, more can reach accurate balance correction simultaneously.
Claims (13)
1. the vibration removing method of a rotating disc, it is to be applied in the image display system, in order to eliminate a rotating disc in rotation because of the uneven vibration that produces, this method comprises the following step:
On this rotating disc, form a storage tank;
Filling has the fluid of curability and a plurality of spheroid in right amount in this storage tank;
Rotate this rotating disc till this rotating disc balance and stability; And
Solidify the fluid that this has curability.
2. the vibration removing method of rotating disc as claimed in claim 1 is characterized in that this storage tank is to utilize a ring body or a basin body to be fixed in this rotating disc and form.
3. the vibration removing method of rotating disc as claimed in claim 1 is characterized in that this storage tank is to have same rotation center with this rotating disc.
4. the vibration removing method of rotating disc as claimed in claim 1, it is characterized in that before the fluid of an amount of tool curability of filling and the step of a plurality of spheroid in this storage tank, also comprising: utilize a vibration measurement device to measure the amount of unbalance of this rotating disc, with the spheroid that adds specific quantity in this storage tank.
5. the vibration cancelling arrangement of a rotating disc, it is to be applied in the image display system, in order to eliminate a rotating disc in rotation because of the uneven vibration that produces, the vibration cancelling arrangement of this rotating disc includes:
One rotation motor is in order to drive this rotating disc rotation;
One turning axle is connected in this rotation motor and this rotating disc, transfers to this rotating disc with the rotary power with this rotation motor;
One storage tank is formed on this rotating disc;
One has the fluid of curability, is placed in this storage tank; And
A plurality of spheroids place the fluid in this storage tank;
Wherein when this rotating disc rotation, fluid and this a plurality of spheroids in this storage tank are subjected to the influence of vibration force to flow to the circumference of this storage tank, and be subjected to the sidewall restriction of this storage tank and do not break away from, solidify this fluid make this rotating disc balance and stability by the distribution of this fluid and these a plurality of spheroids after.
6. the vibration cancelling arrangement of rotating disc as claimed in claim 5 is characterized in that this storage tank is to utilize a ring body or a basin body to be fixed in this rotating disc and form.
7. the vibration cancelling arrangement of rotating disc as claimed in claim 6 is characterized in that this ring body or this basin body are to utilize to glue together, lock, engage and fasten one of them mode and fix.
8. the vibration cancelling arrangement of rotating disc as claimed in claim 5, the fluid that it is characterized in that this tool curability be photosensitivity curing liquid, heat sensitivity curing liquid and double-formulation solidify glue one of them.
9. the vibration cancelling arrangement of rotating disc as claimed in claim 5 is characterized in that the sidewall apical margin of this storage tank has the flange that extends towards the inner periphery direction.
10. the vibration cancelling arrangement of rotating disc as claimed in claim 5 is characterized in that this storage tank is to have same rotation center with this rotating disc.
11. the vibration cancelling arrangement of rotating disc as claimed in claim 5 is characterized in that these a plurality of spheroids are metal ball body.
12. the vibration cancelling arrangement of rotating disc as claimed in claim 5 is characterized in that these a plurality of spheroids are non-metal ball body.
13. an optical filtering wheel set assembly, it is to be applied in the image display system, and by the color that rotation mode comes the incident beam in the modulation external world, this optical filtering wheel set assembly includes:
One turning axle;
One rotation motor is in order to drive this turning axle rotation;
One optical filtering runner, its colored filter film by a plurality of light-permeables is formed, and these a plurality of colored filter film are to come the color of this incident beam of modulation in turn to be driven the mode of rotating by this turning axle;
One storage tank is formed on the inner peripheral of this optical filtering runner;
One has the fluid of curability, is placed in this storage tank;
A plurality of spheroids place the fluid in this storage tank;
Wherein when this optical filtering runner rotation, fluid and this a plurality of spheroids in this storage tank are subjected to the influence of vibration force to flow to the circumference of this storage tank, and be subjected to the sidewall restriction of this storage tank and do not break away from, solidify this fluid make this optical filtering wheel set assembly balance and stability by the distribution of this fluid and these a plurality of spheroids after.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310120782 CN1624573A (en) | 2003-12-04 | 2003-12-04 | Vibration eliminating device and method of rotating disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310120782 CN1624573A (en) | 2003-12-04 | 2003-12-04 | Vibration eliminating device and method of rotating disc |
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| Publication Number | Publication Date |
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| CN1624573A true CN1624573A (en) | 2005-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200310120782 Pending CN1624573A (en) | 2003-12-04 | 2003-12-04 | Vibration eliminating device and method of rotating disc |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351887A (en) * | 2015-11-27 | 2016-02-24 | 海信集团有限公司 | Dynamic balance adjusting method of wavelength conversion device |
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2003
- 2003-12-04 CN CN 200310120782 patent/CN1624573A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351887A (en) * | 2015-11-27 | 2016-02-24 | 海信集团有限公司 | Dynamic balance adjusting method of wavelength conversion device |
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