CN116499503A - Battery-free multi-turn absolute value encoder - Google Patents
Battery-free multi-turn absolute value encoder Download PDFInfo
- Publication number
- CN116499503A CN116499503A CN202310327749.6A CN202310327749A CN116499503A CN 116499503 A CN116499503 A CN 116499503A CN 202310327749 A CN202310327749 A CN 202310327749A CN 116499503 A CN116499503 A CN 116499503A
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- Prior art keywords
- battery
- absolute value
- auxiliary
- value encoder
- gear
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- 238000010079 rubber tapping Methods 0.000 claims abstract description 8
- 230000003287 optical effect Effects 0.000 claims description 10
- 235000007164 Oryza sativa Nutrition 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 3
- 235000009566 rice Nutrition 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims 1
- 238000009954 braiding Methods 0.000 abstract description 14
- 230000006870 function Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- ZGHQUYZPMWMLBM-UHFFFAOYSA-N 1,2-dichloro-4-phenylbenzene Chemical compound C1=C(Cl)C(Cl)=CC=C1C1=CC=CC=C1 ZGHQUYZPMWMLBM-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
- G01D5/249—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains using pulse code
- G01D5/2497—Absolute encoders
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention belongs to the technical field of encoders, and discloses a battery-free multi-turn absolute value encoder, which comprises a battery-free multi-turn absolute value encoder body and a machine screw, wherein the battery-free multi-turn absolute value encoder body comprises a base and a self-tapping screw, an adapter is fixedly arranged in the middle of the top of the base, two ends of the top of the base are fixedly provided with rotating shafts, and the surfaces of the two rotating shafts are connected with bearings. According to the invention, through simulating the time-second function of the mechanical clock, the position is memorized and read by matching with the magnetic braiding chip according to the relative relation between gears, the position memory is maintained without additionally adding a battery, the cost is low, the power-off memory can be maintained without externally connecting the battery, the use is convenient, and the device is basically not limited by external conditions.
Description
Technical Field
The invention belongs to the technical field of encoders, and particularly relates to a battery-free multi-turn absolute value encoder.
Background
The traditional encoder is mostly single-circle absolute value optical encoder, and the position memory can be kept only by supplying power through a battery after power failure. In addition, the absolute value optical encoder in the prior art has relatively high cost, is unfavorable for large-scale use, has no method for effectively realizing the popularization of products, and maximally realizes the economic benefit.
Disclosure of Invention
(one) solving the technical problems
In order to solve the problems in the background technology, the invention provides the battery-free multi-turn absolute value encoder, through simulating the time-second function of a mechanical clock, the relative relation between gears is used for memorizing and reading the position by matching with a magnetic encoding chip, the position memory is not needed to be kept by additionally adding a battery, the cost is low, the power-off memory is not needed to be kept by externally connecting the battery, the use is convenient, and the battery-free multi-turn absolute value encoder is basically not limited by external conditions.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: the battery-free multi-turn absolute value encoder comprises a battery-free multi-turn absolute value encoder body and a machine screw, wherein the battery-free multi-turn absolute value encoder body comprises a base and a self-tapping screw, an adapter is fixedly installed in the middle of the top of the base, rotating shafts are fixedly installed at two ends of the top of the base, two surfaces of the rotating shafts are respectively connected with bearings, a first pinion and a second pinion are fixedly installed on the surfaces of the two bearings respectively, a main gear is fixedly installed at the top of the adapter, the first main gear and the second pinion are in meshed connection with the second pinion, a main magnet is fixedly installed at the top of the main gear, auxiliary magnets are fixedly installed at the tops of the first auxiliary gear and the second pinion respectively, a first main magnetic encoding chip and a second magnetic encoding chip are fixedly installed at the tops of the main magnet and the auxiliary magnet respectively, a PCB board is fixedly installed at the tops of the first main magnetic encoding chip and the second magnetic encoding chip, and the self-tapping screw penetrates through the PCB board to be in the interior of the base.
Preferably, the middle part of exempting from battery multiturn absolute value encoder body bottom is connected with the motor axle, the bottom fixed mounting of motor axle has the motor body, the peripheral butt joint at motor body top is installed the motor back lid, the side fixed mounting of motor body has the cable protective housing, the inside transmission line of cable protective housing and the inside electric connection of exempting from battery multiturn absolute value encoder body, adapter upper end and main gear interference fit are impressed together, the adapter lower extreme is in the same place with the back play axle cover of motor body and is locked through the machine rice screw.
Preferably, the primary gear, the secondary gear one and the secondary gear two are arranged linearly.
Preferably, the tooth number ratio of the primary gear, the secondary gear one to the secondary gear two is 24, 22, 23.
Preferably, the primary magnet is axially magnetized, and the two secondary magnets are radially magnetized.
Preferably, the main magnet and the two auxiliary magnets can be replaced by an optical code disc, and the main magnetic coding chip, the auxiliary magnetic coding chip I and the auxiliary magnetic coding chip II can be replaced by an optical coding chip, but are not limited to the optical coding chip.
Preferably, the base and two sides of the PCB board are provided with longitudinal arc-shaped cutting grooves, the positions of the base and the PCB board are corresponding to each other, and the bottoms of the arc-shaped cutting grooves of the base are provided with fixing feet.
(III) beneficial effects
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, through simulating the time-second function of the mechanical clock, the position is memorized and read by matching with the magnetic braiding chip according to the relative relation between gears, the position memory is maintained without additionally adding a battery, the cost is low, the power-off memory can be maintained without externally connecting the battery, the use is convenient, and the device is basically not limited by external conditions.
Drawings
FIG. 1 is a schematic diagram of an overall assembly;
FIG. 2 is a schematic diagram of a battery-free multi-turn absolute value encoder body according to the present invention;
FIG. 3 is an exploded view of the battery-free multi-turn absolute value encoder body of the present invention;
fig. 4 is a schematic diagram of the cooperation of the primary gear, the secondary gear one and the secondary gear two according to the present invention.
In the figure: 100. a battery-free multi-turn absolute value encoder body;
1. a base; 2. an adapter; 3. a machine rice screw; 4. a rotation shaft; 5. a bearing; 6. a main gear; 7. a first pinion gear; 8. a second pinion gear; 9. a main magnet; 10. an auxiliary magnet; 11. the method comprises the steps of carrying out a first treatment on the surface of the 12. A PCB board; 13. a main magnetic braiding chip; 14. a first auxiliary magnetic braiding chip; 15. secondary magnetic braiding chip II; 16. self-tapping screw;
200. a motor rear cover;
300. a motor shaft;
400. a motor body;
500. and a cable protective shell.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 4, the present invention provides a battery-free multi-turn absolute value encoder, comprising a battery-free multi-turn absolute value encoder body 100 and a machine screw 3, wherein the battery-free multi-turn absolute value encoder body 100 comprises a base 1 and a self-tapping screw 16, an adapter 2 is fixedly installed in the middle of the top of the base 1, rotating shafts 4 are fixedly installed at both ends of the top of the base 1, the surfaces of the two rotating shafts 4 are connected with bearings 5, a pinion 7 and a pinion 8 are fixedly installed on the surfaces of the two bearings 5 respectively, a main gear 6 is fixedly installed on the top of the adapter 2, the main gear 6, the first pinion 7 and the second pinion 8 are in meshed connection, the top of the main gear 6 is fixedly provided with a main magnet 9, the tops of the first pinion 7 and the second pinion 8 are fixedly provided with an auxiliary magnet 10, the tops of the main magnet 9 and the auxiliary magnet 10 are respectively and correspondingly fixedly provided with a main magnetic braiding chip 13, a first auxiliary magnetic braiding chip 14 and a second auxiliary magnetic braiding chip 15, the tops of the main magnetic braiding chip 13, the first auxiliary magnetic braiding chip 14 and the second auxiliary magnetic braiding chip 15 are fixedly provided with a PCB 12, and a self-tapping screw 16 penetrates through the PCB 12 and is in threaded connection with the inside of the base 1.
The invention uses the clock principle of gear machinery (such as time-division seconds of a mechanical watch) and realizes absolute position memory through the combined action of the magnetic braiding chip and the gear set.
Wherein, the middle part of exempting from battery multiturn absolute value encoder body 100 bottom is connected with motor shaft 300, the bottom fixed mounting of motor shaft 300 has motor body 400, the peripheral butt joint at motor body 400 top is installed motor back lid 200, the side fixed mounting of motor body 400 has cable protective housing 500, the inside transmission line of cable protective housing 500 and the inside electric connection of exempting from battery multiturn absolute value encoder body 100, adapter 2 upper end and main gear 6 interference fit are impressed together, adapter 2 lower extreme and the back play axle of motor body 400 are in the same place and lock through the machine meter screw 3.
Wherein the main gear 6, the auxiliary gear 7 and the auxiliary gear 8 are linearly arranged; the main and auxiliary gears can be linearly arranged or delta, the arrangement and linear arrangement space is most reasonable, interference with other hole sites and installation is difficult to occur, and the function can be realized only by ensuring that the two auxiliary gears are respectively meshed with the main gear in theory.
The ratio of the number of teeth of the main gear 6, the first auxiliary gear 7 and the second auxiliary gear 8 is 24, 22 and 23, so that the phase difference between the main gear and the auxiliary gear is 1.
Wherein, the main magnet 9 is axially magnetized, the two auxiliary magnets 10 are radially magnetized, and the main chip identification analysis of the axial magnetic field is simpler. The auxiliary magnet only records the angle position, and radial magnetizing can be satisfied. At the same time, the magnetic field of the main magnet is distinguished from the magnetic field of the auxiliary magnet.
Wherein, the main magnet 9 and the two auxiliary magnets 10 can be replaced by an optical code disk, and the main magnetic code disk 13, the auxiliary magnetic code disk I14 and the auxiliary magnetic code disk II 15 can be replaced by an optical code disk, but are not limited to the optical code disk.
Wherein, both sides of base 1 and PCB board 12 all are provided with vertical arc incision and both positions are corresponding, and the bottom of the arc incision of base 1 sets up the fixed foot.
The working principle and the using flow of the invention are as follows:
the main gear 6 is respectively meshed with a driven auxiliary gear I7 and a driven auxiliary gear II 8, the main gear 6 is driven to rotate when the motor shaft 200 rotates, the main gear 6 drives the two auxiliary gears to rotate in a following way, and the two auxiliary gears are fixed on the base 1 through the bearing 5 and the rotating shaft 4; the main gear 6 is provided with a main magnet 9 magnetized in the axial direction, and the first auxiliary gear 7 and the second auxiliary gear 8 are provided with auxiliary magnets 10 magnetized in the radial direction; the PCB 12 right above the main gear 6 is provided with a main magnetic braiding chip 13, and the rotation angle and the number of turns of the two driven auxiliary gears are respectively detected by the auxiliary magnetic braiding chip of the driven auxiliary gears;
on the other hand, the rotation angle of the main gear 6 is detected by the main magnetic encoder 13, and the angle and the relative position between the main gear 6 and the two sub gears are unique within a limited number of turns, so that the rotation speed and the angle of the driving gear can be detected from the detected rotation angle combination of each sub gear, and the absolute position of the actuator can be calculated from the rotation speed and the rotation angle of the driving gear.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Exempt from battery multiturn absolute value encoder, including exempt from battery multiturn absolute value encoder body (100) and mechanic's rice screw (3), its characterized in that: the battery-free multi-turn absolute value encoder body (100) comprises a base (1) and a self-tapping screw (16), an adapter (2) is fixedly arranged in the middle of the top of the base (1), rotating shafts (4) are fixedly arranged at the two ends of the top of the base (1), bearings (5) are connected to the surfaces of the rotating shafts (4), a first auxiliary magnetic encoding chip (13) and a second auxiliary magnetic encoding chip (15) are fixedly arranged on the surfaces of the two bearings (5) respectively, a main gear (6) is fixedly arranged at the top of the adapter (2), the main gear (6), the first auxiliary gear (7) and the second auxiliary gear (8) are in meshed connection, a main magnet (9) is fixedly arranged at the top of the main gear (6), a second auxiliary magnet (10) is fixedly arranged at the tops of the first auxiliary gear (7) and the second auxiliary gear (8), a first magnetic encoding chip (13) and a second auxiliary magnetic encoding chip (15) are fixedly arranged at the tops of the main magnet (9) and the second auxiliary magnet (10) respectively correspondingly, a first magnetic encoding chip (14) and a second magnetic encoding chip (15) are fixedly arranged at the tops of the first auxiliary magnetic encoding chip (13) and the second magnetic encoding chip (15), the self-tapping screw (16) penetrates through the PCB (12) and is connected with the inside of the base (1) in a threaded mode.
2. The battery-less multi-turn absolute value encoder of claim 1, wherein: the battery-free multi-turn absolute value encoder comprises a battery-free multi-turn absolute value encoder body (100), wherein a motor shaft (300) is connected to the middle of the bottom of the battery-free multi-turn absolute value encoder body (100), a motor body (400) is fixedly installed at the bottom of the motor shaft (300), a motor rear cover (200) is installed in butt joint with the periphery of the top of the motor body (400), a cable protection shell (500) is fixedly installed on the side face of the motor body (400), a power transmission line inside the cable protection shell (500) is electrically connected with the battery-free multi-turn absolute value encoder body (100), the upper end of an adapter (2) is pressed into the main gear (6) in an interference fit mode, and the lower end of the adapter (2) is sleeved with a rear output shaft of the motor body (400) and locked through a machine meter screw (3).
3. The battery-less multi-turn absolute value encoder of claim 1, wherein: the main gear (6), the auxiliary gear I (7) and the auxiliary gear II (8) are linearly arranged.
4. The battery-less multi-turn absolute value encoder of claim 1, wherein: the tooth number ratio of the main gear (6), the auxiliary gear (7) to the auxiliary gear (8) is 24, 22 and 23.
5. The battery-less multi-turn absolute value encoder of claim 1, wherein: the main magnet (9) is axially magnetized, and the two auxiliary magnets (10) are radially magnetized.
6. The battery-less multi-turn absolute value encoder of claim 1, wherein: the main magnet (9) and the two auxiliary magnets (10) can be replaced by an optical code disc, and the main magnetic encoding chip (13), the auxiliary magnetic encoding chip I (14) and the auxiliary magnetic encoding chip II (15) can be replaced by an optical encoding chip.
7. The battery-less multi-turn absolute value encoder of claim 1, wherein: the base (1) and the two sides of the PCB (12) are respectively provided with a longitudinal arc-shaped cutting groove, the positions of the two are corresponding to each other, and the bottoms of the arc-shaped cutting grooves of the base (1) are provided with fixing feet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310327749.6A CN116499503A (en) | 2023-03-30 | 2023-03-30 | Battery-free multi-turn absolute value encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310327749.6A CN116499503A (en) | 2023-03-30 | 2023-03-30 | Battery-free multi-turn absolute value encoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116499503A true CN116499503A (en) | 2023-07-28 |
Family
ID=87317456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310327749.6A Pending CN116499503A (en) | 2023-03-30 | 2023-03-30 | Battery-free multi-turn absolute value encoder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116499503A (en) |
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2023
- 2023-03-30 CN CN202310327749.6A patent/CN116499503A/en active Pending
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