CN2909181Y - Servo motor coder - Google Patents
Servo motor coder Download PDFInfo
- Publication number
- CN2909181Y CN2909181Y CN 200620114979 CN200620114979U CN2909181Y CN 2909181 Y CN2909181 Y CN 2909181Y CN 200620114979 CN200620114979 CN 200620114979 CN 200620114979 U CN200620114979 U CN 200620114979U CN 2909181 Y CN2909181 Y CN 2909181Y
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- CN
- China
- Prior art keywords
- circuit board
- servo motor
- dazzling screen
- base plate
- pulling
- 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.)
- Expired - Fee Related
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- Mechanical Light Control Or Optical Switches (AREA)
Abstract
A servomotor encoder comprises an anti-dazzling screen and a sensing device. The anti-dazzling screen is a round disc and is to be joined to back end of an axle center of the servomotor. A plurality of notches are arranged at an equal interval on outer loop or inner loop of the anti-dazzling screen and a plurality of light holes are provided on a concentric ring of the inner loop or the outer loop. The sensing device is provided with a base to be joined to back face of the servomotor with a perforated base plate on the base. An arc-shaped holder around the anti-dazzling screen is arranged on circumference of the base plate perpendicularly and extends outwards. Three light interceptors to check out the notches and an optical encoder module to check out the light holes are connected around the holder. The utility model uses the light interceptor and the optical encoder module to check out position and movement of the anti-dazzling screen, and outputs information encoding for checkout and controls movement of the servomotor.
Description
Technical field
The utility model relates to a kind of scrambler of servo motor, refers to a kind of servo motor scrambler that utilizes optical instrument to detect the servo motor main spindle's and its coding is exported especially.
Background technology
The scrambler of existing servo motor is installed in the rear end of servo motor, detect position, the angle that the servo motor main shaft rotates whereby and turn to, and existing encoder causes the inconvenience of installing because complex structure and installation are difficult for, therefore have the shortcoming of more time of cost when assembling.
Summary of the invention
Because the scrambler of existing servo motor is installed inconvenient, the utility model design is a kind of servo motor scrambler easy for installation, addresses the above problem thus, reaches the purpose of this utility model.
For achieving the above object, the utility model is a kind of servo motor scrambler, and it comprises anti-dazzling screen and sensing apparatus, wherein:
This anti-dazzling screen is circular lamellar body, its central authorities are provided with axis hole, and with one heart and equally spaced being concaved with the short slot (as four two short slots very, sextupole is three short slots) of corresponding quantity according to the rotor magnetite number of poles of servo motor, this anti-dazzling screen also is provided with a plurality of circular light holes that are arranged in one heart;
This sensing apparatus is provided with base, this base is provided with base plate, this base plate is provided with perforation, and vertically stretch the slotting body of pulling that is provided with circular arc at periphery, and should insert the body of pulling and be centered around outside this anti-dazzling screen, insert the body of pulling around being embedded with three in order to the Photo Interrupter that detects each short slot and in order to detect the optical encoder module of each light hole at this.
In addition, the utility model is stretched respectively in the both sides of described base plate and is provided with auricle, on each auricle, be equipped with the slotted hole of arc respectively, the described body of pulling of inserting is equipped with four slots at the outer face Indian club circle inwards, each slot forms vertical opening one at the inner face of inserting the body of pulling, and described each Photo Interrupter and described optical encoder module are embedded in slot respectively.
In addition, each Photo Interrupter of the utility model is provided with first circuit board, be embedded with this first circuit board and be combined in the described body and vertical of pulling of inserting with described base plate, stretch respectively outside the two sides of described anti-dazzling screen at first circuit board and to be provided with two relative photistor and light emitting diodes, and the position alignment of each photistor and each light emitting diode is connected with winding displacement in each short slot between each first circuit board;
And described optical encoder module is provided with second circuit board, be embedded with this second circuit board and be incorporated into the described body and vertical of pulling of inserting with described base plate, stretch respectively outside the two sides of described anti-dazzling screen at second circuit board and to be provided with two relative photistor group and light emitting diodes, wherein the photistor group is provided with two photistors, and the position alignment of each photistor and light emitting diode is in each light hole, between second circuit board and adjacent first circuit board, be connected with winding displacement, and on described second circuit board, be provided with connector, be inserted with the signal wire of establishing to overhanging on the connector, outwards connect the controller of servo motor with signal wire.
The utility model is installed on the servo motor when using, earlier with anti-dazzling screen with its axis hole sheathed be fixed in the servo motor main shaft by after the rear end that passes, and base is combined in the rear end face of servo motor, pass for main shaft with perforation, and anti-dazzling screen is arranged between Photo Interrupter and the optical encoder module.
Because the spinning movement and the anti-dazzling screen of servo motor main shaft are synchronous, when anti-dazzling screen rotates, detect light hole and the light tight portion that passes through alternately with the optical encoder module, produce the signal of A/B phase and export the controller place of servo motor to, after its computing, draw turning to of servo motor, speed, and angle, and each Photo Interrupter is used to detect the position of anti-dazzling screen short slot, the position at the present place of detection rotor, and signal is exported to the controller place of servo motor, so that make the required excited signal of the controller decision corresponding controlling and driving servo motor next step of output, correctly drive servo motor thus.
The utility model detects the short slot of anti-dazzling screen and the position of light hole with Photo Interrupter and light coding module, with the output of information coding, for controller control servo motor, and during owing to installation is directly to be combined in main shaft and base is combined in the servo motor rear end with anti-dazzling screen, make Photo Interrupter and light coding module aim at anti-dazzling screen respectively and promptly finish installation, therefore make the utility model simple in structure, install easily, have to install and make fast and the effect of saving production cost.
Description of drawings
Fig. 1 is the three-dimensional exploded view of preferred embodiment of the present utility model.
Fig. 2 is the exploded view that preferred embodiment of the present utility model is located at servo motor.
Fig. 3 is the stereographic map that preferred embodiment of the present utility model is located at servo motor.
Fig. 4 is the vertical view that preferred embodiment of the present utility model is located at servo motor.
[primary clustering symbol description]
(10) anti-dazzling screen (11) axis hole
(12) short slot (13) light hole
(14) light tight (20) sensing apparatus
(21) base (22) base plate
(221) auricle (222) slotted hole
(223) perforation (224) opening
(23) insert body (231) first slots of pulling
(232) second slots (233) the 3rd slot
(234) opening (235) opening
(236) opening (25) sensor
(26) Photo Interrupter (261) first circuit board
(262) photistor (263) light emitting diode
(264) winding displacement (27) zero adjuster
(271) second circuit board (272) magnetic detection components
(273) winding displacement (28) optical encoder module
(281) tertiary circuit plate (282) photistor group
(283) light emitting diode (284) winding displacement
(285) connector (286) signal wire
(30) servo motor (31) rear end face
(32) main shaft
Embodiment
The utility model is a kind of servo motor scrambler, and please referring to the preferred enforcement of Fig. 1 to Fig. 4, its cooperation is installed on the servo motor (30) with sextupole magnetite polarity, and comprises anti-dazzling screen (10) and sensing apparatus (20), wherein:
This anti-dazzling screen (10) is on having, the circular lamellar body on following two sides, it is provided with circular axis hole (11) in central authorities, and cooperate the magnetite number of poles of servo motor (30) rotor and uniformly-spaced be arranged with three short slots (12) that shared radian is identical at periphery, the quantity that is provided with of short slot (12) is: number of poles/2, and the radian of each short slot (12) is 360 degree/numbers of poles, promptly be 60 degree, anti-dazzling screen (10) and the periphery with this axis hole (11) between concentric being provided be arranged in circular a plurality of light holes (13), each light hole (13) is to grow the adjacent slot in limit in this preferred embodiment, and be provided with 360, between each light hole (13), form light tight (14).
This sensing apparatus (20) comprises base (21) and one group of sensor (25), this base (21) is provided with circular base plate (22), on base plate (22) has, following two sides, and in the relative both sides of periphery respectively to the overhanging auricle (221) of establishing one arc, on each auricle (221), be equipped with the slotted hole (222) of arc respectively, in the middle of base plate (221), be provided with perforation (223), this perforation (223) is U-shaped and forms opening (224) by the edge of base plate (22), periphery on base plate (22) is stretched on vertically being to establish and is inserted the body (23) of pulling, insert pull body (23) for the circular arc block of C shape and be looped around anti-dazzling screen (10) around, the opening that slotting body (23) side of pulling is other and the opening (224) of perforation (223) are in the same way, be equipped with three first slots (231) at the vertical Indian club circle inwards in outer face of inserting the body (23) of pulling, than first slot (231) wide second slot (232) and wide the 3rd slot (233) of ratio second slot (232), each slot (231), (232), (233) be the rectangle cell body, and form one vertical opening (234) at the inner face of inserting the body of pulling, (235), (236);
This group sensor (25) is provided with three Photo Interrupters (26), optical encoder module (27), and zero adjuster (28), each Photo Interrupter (26) is provided with first circuit board (261), each first circuit board (261) is incorporated into first slot (231) for rectangle plate body correspondence is embedded, and it is vertical with base plate (22), at each first circuit board (261) through opening (234) and on described anti-dazzling screen (10), stretch relatively respectively outside the following two sides and be provided with photistor (262) and light emitting diode (263), the position alignment of each photistor (262) and each light emitting diode (263) is in each short slot (12), between each first circuit board (261), be connected with winding displacement (264)
This zero adjuster (27) is provided with second circuit board (271), second circuit board (271) is combined in second slot (232) for rectangle plate body correspondence is embedded, and it is vertical with base plate (22), outside opening (235), be provided with magnetic detection components (272) at second circuit board (271), and be connected with winding displacement (273) between (261) of second circuit board (271) and adjacent first circuit board
This optical encoder module (28) is provided with tertiary circuit plate (281), tertiary circuit plate (281) is combined in the 3rd slot (233) for rectangle plate body correspondence is embedded, and it is vertical with base plate (22), at tertiary circuit plate (281) through opening (236) and on described anti-dazzling screen (10), stretch relatively respectively outside the following two sides and be provided with photistor group (282) and light emitting diode (283), photistor group (282) comprises two photistors that are provided with at interval, and the position alignment of photistor group (282) and light emitting diode (283) is in each light hole (13), be connected with winding displacement (284) between tertiary circuit plate (281) and the adjacent second circuit board (271), go up and be provided with connector (285) at tertiary circuit plate (281), on connector (285), be inserted with to the overhanging signal wire of establishing (286).
The zero adjuster of aforesaid the utility model preferred embodiment (27) needs to cooperate the magnet that is combined in servo motor (30) main shaft (32) rear end and is used as the use of making zero, preferred embodiment also can not be provided with zero adjuster (27), and makes tertiary circuit plate (281) directly connect adjacent first circuit board (261) with winding displacement.
Short slot (12) position of the set anti-dazzling screen of the utility model (10) is corresponding with the rotor polarity of the servo motor (30) of institute desire installing, therefore the utility model preferred embodiment in use, being installed in rotor has on the servo motor (30) of sextupole (polarity of magnetite is distributed with the N/S/N/S/N/S utmost point on the rotor in revolution), when the utility model is desired to be installed in rotor and is had the servo motor of four utmost points (polarity of magnetite is distributed with the N/S/N/S utmost point on the rotor in revolution), be that short slot quantity with this anti-dazzling screen periphery changes and is made as two, and the shared radian of each short slot is 90 degree, be that around short slot (12) and its light tight respectively has: number of poles/2, radian shared in circumference respectively is: 360 degree/numbers of poles.
Short slot of the present utility model (12) is except that the periphery that is located at anti-dazzling screen (10), also can be located at the inner ring of anti-dazzling screen (10), and each light hole (13) is formed on the outer ring of anti-dazzling screen (10), and being used to accept detection thus, the utility model is not limited at this.
The utility model is installed on the servo motor (30) when using, with the preferred embodiment is example, this servo motor (30) has rear end face (31), and vertically pass the rear end of set main shaft (32) at rear end face (31), anti-dazzling screen (10) is fixed on the rear end that main shaft (32) passes so that axis hole (11) is sheathed, and the opening (224) of base (21) with perforation (223) side moved into and sheathed main shaft (32) towards main shaft (32), the rear end face (31) of side direction immigration servo motor (30) is located thus, anti-dazzling screen (10) is put between Photo Interrupter (26) and optical encoder module (28), and the slotted hole (222) that utilizes auricle (221) is combined in rear end face (31) for the screw screw lock with base (21).
Because the spinning movement of servo motor (30) main shaft (32) and anti-dazzling screen (10) are synchronous, when anti-dazzling screen (10) rotates, the light hole (13) and light tight (14) that cooperate the light source detection of light emitting diode (283) to pass through alternately with the photistor group (282) of optical encoder module (28), produce the different voltage of height, and draw the signal of A/B phase, export the signal of A/B phase the controller place of servo motor (30) to by signal wire (286) again, after its computing, draw the turning to of servo motor, speed and angle.
And each Photo Interrupter (26) is used to detect the state of anti-dazzling screen (10) short slot (12), detect the position at the present place of rotor, just detect the U/V/W phase position of magnetic pole of servo motor (30), and signal is exported to the controller place of servo motor (30) by signal wire (286), so that make the required excited signal of controller decision output corresponding controlling and driving servo motor (30) next step, correctly drive servo motor (30) thus.
Claims (6)
1. servo motor scrambler, it comprises anti-dazzling screen and sensing apparatus, wherein:
This anti-dazzling screen is circular lamellar body, and its central authorities are provided with axis hole, and concentric ring is arranged with a plurality of equally spaced short slots respectively, and a plurality ofly is arranged in circular light hole;
This sensing apparatus is provided with base, this base is provided with base plate, this base plate is provided with perforation, and vertically stretch the slotting body of pulling that is provided with circular arc in periphery, and should insert and pull body outside this anti-dazzling screen, insert on the body of pulling around being embedded with three in order to the Photo Interrupter that detects each short slot and in order to detect the optical encoder module of each light hole at this.
2. servo motor scrambler as claimed in claim 1, wherein, stretch respectively in the both sides of described base plate and to be provided with auricle, on each auricle, be equipped with the slotted hole of arc respectively, the described body of pulling of inserting is equipped with four slots at the outer face Indian club circle inwards, and each slot forms vertical opening one at this inside surface of inserting the body of pulling.
3. servo motor scrambler as claimed in claim 2, wherein, described each Photo Interrupter and described optical encoder module are embedded respectively in each slot.
4. as claim 1 or 2 or 3 described servo motor scramblers, wherein, described Photo Interrupter is provided with first circuit board, be embedded with this first circuit board and be incorporated into the described body and vertical of pulling of inserting with described base plate, stretch respectively outside the two sides of described anti-dazzling screen at first circuit board and to be provided with two relative photistors and light emitting diode, and the position alignment of each photistor and each light emitting diode is connected with winding displacement in each short slot between each first circuit board;
Described optical encoder module is provided with second circuit board, be embedded with this second circuit board and be incorporated into the described body and vertical of pulling of inserting with described base plate, stretch respectively outside the two sides of described anti-dazzling screen at second circuit board and to be provided with two relative photistor group and light emitting diodes, wherein, the photistor group is provided with two photistors, and the position alignment of each photistor and light emitting diode is connected with winding displacement in each light hole between second circuit board and adjacent first circuit board.
5. servo motor scrambler as claimed in claim 4 wherein, is provided with connector on described second circuit board, be inserted with the signal wire of establishing to overhanging on the connector.
6. servo motor scrambler as claimed in claim 5, wherein, described short slot is provided with three, and uniformly-spaced is arranged with by the periphery of described anti-dazzling screen respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620114979 CN2909181Y (en) | 2006-05-19 | 2006-05-19 | Servo motor coder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620114979 CN2909181Y (en) | 2006-05-19 | 2006-05-19 | Servo motor coder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2909181Y true CN2909181Y (en) | 2007-06-06 |
Family
ID=38128396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620114979 Expired - Fee Related CN2909181Y (en) | 2006-05-19 | 2006-05-19 | Servo motor coder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2909181Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139520A (en) * | 2017-06-16 | 2019-01-04 | 蒋亮健 | Oscillation angle adjuster for electric fan |
-
2006
- 2006-05-19 CN CN 200620114979 patent/CN2909181Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139520A (en) * | 2017-06-16 | 2019-01-04 | 蒋亮健 | Oscillation angle adjuster for electric fan |
| CN109139520B (en) * | 2017-06-16 | 2022-03-08 | 蒋亮健 | Oscillating angle regulator for electric fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070606 Termination date: 20100519 |