CN105337459A - Servo motor capable of preventing feedback signal from high frequency interference - Google Patents
Servo motor capable of preventing feedback signal from high frequency interference Download PDFInfo
- Publication number
- CN105337459A CN105337459A CN201510809960.7A CN201510809960A CN105337459A CN 105337459 A CN105337459 A CN 105337459A CN 201510809960 A CN201510809960 A CN 201510809960A CN 105337459 A CN105337459 A CN 105337459A
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- China
- Prior art keywords
- frequency interference
- feedback signal
- servo
- servomotor
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- H02K11/022—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention discloses a servo motor capable of preventing a feedback signal from high frequency interference. The servo motor comprises a servo drive, a lead screw driven by the servo drive and a high frequency interference prevention box covering the servo drive, wherein through holes are formed in the wall of the high frequency interference prevention box, the lead screw penetrates through the through holes to extend out of the high frequency interference prevention box, the servo drive is installed on the inner bottom surface of the high frequency interference prevention box by virtue of an anti-vibration suspension assembly; the anti-vibration suspension assembly comprises a vertical screw connected with the bottom of the servo drive, the vertical screw is sequentially provided with an elastic bracket, a metal rubber spring ring and an installation seat in a sleeving manner, the tail end of the vertical screw is connected with a floating ball, and the floating ball is arranged on a foundation support; the top surface of the elastic bracket is matched with the bottom of the servo drive, the metal rubber spring ring is clamped between the elastic bracket and the installation seat, and the foundation support is arranged on the inner bottom surface of the high frequency interference prevention box. The servo motor can be used normally in circumstance of high frequency or electromagnetic waves and has high shielding performance and high precision quality.
Description
Technical field
The present invention relates to a kind of servomotor, particularly relate to a kind of servomotor preventing feedback signal to be subject to High-frequency Interference, belong to motor device technical field.
Background technology
Servomotor is the engine controlling mechanical organ running in servo system, is the indirect speed change gear of a kind of subsidy motor.Servomotor can make control rate, and positional precision is very accurate, voltage signal can be converted into torque and rotational speed with drived control object.Servo motor rotor rotating speed controls by input signal, and energy fast reaction, in automatic control system, as executive component, and there is the characteristics such as electro mechanic time constant is little, the linearity is high, breakaway voltage, the received signal of telecommunication can be converted to the angular displacement on motor reel or angular speed output.Be divided into direct current and the large class of AC servomotor two, its main feature is, when signal voltage is zero without rotation phenomenon, rotating speed is uniform descent along with the increase of torque.The rotor of servomotor inside is permanent magnet, the U/V/W three-phase electricity of driver control forms electromagnetic field, and rotor rotates under the effect in this magnetic field, and the encoder feedback signal that carries of motor is to driver simultaneously, driver compares according to value of feedback and desired value, the angle of adjustment rotor turns.
But at present under high frequency (high harmonic) or electromagnetic wave situation, because the feedback signal of servomotor is interfered, so that servomotor cannot normally use.
Summary of the invention
Main purpose of the present invention is, overcomes deficiency of the prior art, provides a kind of prevented feedback signal of new structure to be subject to the servomotor of High-frequency Interference, is specially adapted to high frequency environment and uses.
Technical problem to be solved by this invention is to provide the servomotor that easy, safe and reliable, practical the prevented feedback signal of compact conformation, easy accessibility, making is subject to High-frequency Interference, still can normally use under high frequency (high harmonic) or electromagnetic wave situation, not only there is high shielding properties and high accuracy quality, and at a low price, efficient, energy-conservation, have the value in industry.
In order to achieve the above object, the technical solution adopted in the present invention is:
Prevent feedback signal to be subject to a servomotor for High-frequency Interference, comprise servo-driver, by the screw mandrel of servo driver drives, and cover in the anti-High-frequency Interference case of servo-driver outward; The tank wall of described anti-High-frequency Interference case offers through hole, and described screw mandrel extends anti-High-frequency Interference case by running through through hole, and described servo-driver is arranged on the case inner bottom surface of anti-High-frequency Interference case by antidetonation mounting assembly.
Wherein, described antidetonation mounting assembly comprises the vertical screw be connected to bottom servo-driver, described vertical screw is set with elastic bracket, metal-rubber spring coil and mount pad successively, and the end of described vertical screw is connected with floating spiral, and described floating spiral is positioned on pedestal; The end face of described elastic bracket and the bottom of servo-driver match, and described metal-rubber spring coil card is pressed between elastic bracket and mount pad, and described pedestal is arranged on the case inner bottom surface of anti-High-frequency Interference case.
The present invention is set to further: the inner surface of described anti-High-frequency Interference case is disposed with plating slurry screen-wall layer and coated screen-wall layer.
The present invention is set to further: described plating slurry screen-wall layer is plate the gold paste or silver slurry established.
The present invention is set to further: described coated screen-wall layer is aluminium paper.
The present invention is set to further: the thickness of described gold paste or silver slurry is more than 5mm.
The present invention is set to further: described anti-High-frequency Interference case is cuboid.
The present invention is set to further: the end of described vertical screw is connected with floating spiral by spring.
The present invention is set to further: the mating surface that described pedestal contacts with floating spiral is provided with the concavo-convex groove for floating spiral compressive deformation.
Compared with prior art, the beneficial effect that the present invention has is:
By the setting of anti-High-frequency Interference case and antidetonation mounting assembly, the servo-driver of servomotor still can normally be used under high frequency (high harmonic) or electromagnetic wave situation, compact integral structure, safe and reliable, practical, while there is high shielding properties and high accuracy quality, the advantage such as also there is at a low price, efficient and energy-conservation.
Foregoing is only the general introduction of technical solution of the present invention, and in order to clearer understanding technological means of the present invention, below in conjunction with accompanying drawing, the invention will be further described.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation preventing feedback signal to be subject to the servomotor of High-frequency Interference of the present invention;
Fig. 2 is a kind of structural representation preventing feedback signal to be subject to antidetonation mounting assembly in the servomotor of High-frequency Interference of the present invention.
Embodiment
Below in conjunction with Figure of description, the present invention is further illustrated.
A kind of servomotor preventing feedback signal to be subject to High-frequency Interference as shown in Figure 1, comprises servo-driver 1, the screw mandrel 2 driven by servo-driver 1, and covers in the anti-High-frequency Interference case 3 of rectangular structure of servo-driver 1 outward; The tank wall of described anti-High-frequency Interference case 3 offers through hole 31, and described screw mandrel 2 extends anti-High-frequency Interference case 3 by running through through hole 31, and described servo-driver 1 is arranged on the case inner bottom surface of anti-High-frequency Interference case 3 by antidetonation mounting assembly 4.
The inner surface of described anti-High-frequency Interference case 3 is disposed with plating slurry screen-wall layer 32 and coated screen-wall layer 33; Described plating slurry screen-wall layer 32 is gold paste or the silver slurry that more than thickness 5mm is established in plating; Described coated screen-wall layer 33 is aluminium paper.
As shown in Figure 2, described antidetonation mounting assembly 4 comprises the vertical screw 5 be connected to bottom servo-driver 1, described vertical screw 5 is set with elastic bracket 6, metal-rubber spring coil 7 and mount pad 8 successively, the end of described vertical screw 5 is connected with floating spiral 51, and described floating spiral 51 is positioned on pedestal 9; The end face of described elastic bracket 6 and the bottom of servo-driver 1 match, and described metal-rubber spring coil 7 card is pressed between elastic bracket 6 and mount pad 8, and described pedestal 9 is arranged on the case inner bottom surface of anti-High-frequency Interference case 3.
The end of described vertical screw 5 is connected with floating spiral 51 by spring 52; The mating surface that described pedestal 9 contacts with floating spiral 51 is provided with the concavo-convex groove 91 for floating spiral 51 compressive deformation.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (8)
1. feedback signal can be prevented to be subject to a servomotor for High-frequency Interference, to it is characterized in that: comprise servo-driver, by the screw mandrel of servo driver drives, and cover in the anti-High-frequency Interference case of servo-driver outward;
The tank wall of described anti-High-frequency Interference case offers through hole, and described screw mandrel extends anti-High-frequency Interference case by running through through hole, and described servo-driver is arranged on the case inner bottom surface of anti-High-frequency Interference case by antidetonation mounting assembly;
Described antidetonation mounting assembly comprises the vertical screw be connected to bottom servo-driver, and described vertical screw is set with elastic bracket, metal-rubber spring coil and mount pad successively, and the end of described vertical screw is connected with floating spiral, and described floating spiral is positioned on pedestal; The end face of described elastic bracket and the bottom of servo-driver match, and described metal-rubber spring coil card is pressed between elastic bracket and mount pad, and described pedestal is arranged on the case inner bottom surface of anti-High-frequency Interference case.
2. a kind of servomotor preventing feedback signal to be subject to High-frequency Interference according to claim 1, is characterized in that: the inner surface of described anti-High-frequency Interference case is disposed with plating slurry screen-wall layer and coated screen-wall layer.
3. a kind of servomotor preventing feedback signal to be subject to High-frequency Interference according to claim 2, is characterized in that: described plating slurry screen-wall layer is plate the gold paste or silver slurry established.
4. a kind of servomotor preventing feedback signal to be subject to High-frequency Interference according to claim 2, is characterized in that: described coated screen-wall layer is aluminium paper.
5. a kind of servomotor preventing feedback signal to be subject to High-frequency Interference according to claim 3, is characterized in that: the thickness of described gold paste or silver slurry is more than 5mm.
6. a kind of servomotor preventing feedback signal to be subject to High-frequency Interference according to claim 1, is characterized in that: described anti-High-frequency Interference case is cuboid.
7. a kind of servomotor preventing feedback signal to be subject to High-frequency Interference according to claim 1, is characterized in that: the end of described vertical screw is connected with floating spiral by spring.
8. a kind of servomotor preventing feedback signal to be subject to High-frequency Interference according to claim 1, is characterized in that: the mating surface that described pedestal contacts with floating spiral is provided with the concavo-convex groove for floating spiral compressive deformation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510809960.7A CN105337459A (en) | 2015-11-20 | 2015-11-20 | Servo motor capable of preventing feedback signal from high frequency interference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510809960.7A CN105337459A (en) | 2015-11-20 | 2015-11-20 | Servo motor capable of preventing feedback signal from high frequency interference |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105337459A true CN105337459A (en) | 2016-02-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510809960.7A Pending CN105337459A (en) | 2015-11-20 | 2015-11-20 | Servo motor capable of preventing feedback signal from high frequency interference |
Country Status (1)
| Country | Link |
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| CN (1) | CN105337459A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3899736A (en) * | 1972-12-05 | 1975-08-12 | Hioki Electric Works Co Ltd | Vibration-resistant device for taut band suspension type indicating instrument |
| DE19703655C2 (en) * | 1997-01-31 | 2000-01-05 | Spn Schwaben Praezision Fritz | Electric drive |
| CN102857035A (en) * | 2012-10-12 | 2013-01-02 | 苏州金科信汇光电科技有限公司 | High-frequency interference preventing device for servo motor |
| CN104773058A (en) * | 2015-04-21 | 2015-07-15 | 南京工程学院 | Automobile suspension mechanism |
| CN104819248A (en) * | 2015-04-24 | 2015-08-05 | 苏州市华宁机械制造有限公司 | Shock resistance suspension module suitable for control device in rail polisher |
| CN104832705A (en) * | 2015-04-24 | 2015-08-12 | 苏州福润机械有限公司 | Anti-vibration cutoff valve |
| CN205123502U (en) * | 2015-11-20 | 2016-03-30 | 苏州汉克山姆照明科技有限公司 | Can prevent to feedback servo motor that signal received high frequency interference |
-
2015
- 2015-11-20 CN CN201510809960.7A patent/CN105337459A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3899736A (en) * | 1972-12-05 | 1975-08-12 | Hioki Electric Works Co Ltd | Vibration-resistant device for taut band suspension type indicating instrument |
| DE19703655C2 (en) * | 1997-01-31 | 2000-01-05 | Spn Schwaben Praezision Fritz | Electric drive |
| CN102857035A (en) * | 2012-10-12 | 2013-01-02 | 苏州金科信汇光电科技有限公司 | High-frequency interference preventing device for servo motor |
| CN104773058A (en) * | 2015-04-21 | 2015-07-15 | 南京工程学院 | Automobile suspension mechanism |
| CN104819248A (en) * | 2015-04-24 | 2015-08-05 | 苏州市华宁机械制造有限公司 | Shock resistance suspension module suitable for control device in rail polisher |
| CN104832705A (en) * | 2015-04-24 | 2015-08-12 | 苏州福润机械有限公司 | Anti-vibration cutoff valve |
| CN205123502U (en) * | 2015-11-20 | 2016-03-30 | 苏州汉克山姆照明科技有限公司 | Can prevent to feedback servo motor that signal received high frequency interference |
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Application publication date: 20160217 |
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| RJ01 | Rejection of invention patent application after publication |