CN208847208U - Electronics multi-turn absolute value encoder - Google Patents
Electronics multi-turn absolute value encoder Download PDFInfo
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- CN208847208U CN208847208U CN201821692763.7U CN201821692763U CN208847208U CN 208847208 U CN208847208 U CN 208847208U CN 201821692763 U CN201821692763 U CN 201821692763U CN 208847208 U CN208847208 U CN 208847208U
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Abstract
The utility model relates to encoders, more particularly to electronics multi-turn absolute value encoder, including shell and mounting plate, it is opposite between shell and mounting plate to be equipped with spring lever, spring lever side is opposite to be equipped with auxiliary spring bar, auxiliary spring bar and shell, spring is equipped between mounting plate, auxiliary spring bar, spring is externally provided with damper cylinder, partition is successively equipped at intervals with outside damper cylinder, cushion blocking, running through between shell and mounting plate has shaft, mounting plate is equipped with the through-hole cooperated with shaft, on shell at shaft contacts be equipped with bearing, roller end is fixed with turntable, inner walls place opposite with turntable is fixed with individual pen detection unit, individual pen detection unit is connected with controller, controller is connected with the storage circuit for carrying out power-off storage, storage circuit is connected with the power module for power supply；Technical solution provided by the utility model can effectively overcome battery present in the prior art to continue to power to encoder during equipment does not work, be easy the defect influenced by extraneous vibration.
Description
Technical field
The utility model relates to encoders, and in particular to electronics multi-turn absolute value encoder.
Background technique
Encoder is one of sensor, is mainly used in mating lathe, elevator, servo motor, textile machine, packaging
The industries such as machinery, printing machinery, hoisting machinery.Current position sensor generally uses rotary transformer, photoelectric encoder, magnetic to compile
The elements such as code device.Rotary transformer exports two-phase orthogonal waveforms, the absolute position of energy output rotor, but its decoding circuit is complicated,
It is expensive.Magnetic coder detects position by pole change, but resolution ratio is lower.
Photoelectric encoder is a kind of geometric displacement amount mechanical on output shaft to be converted into pulse or number by photoelectric conversion
The sensor of word amount, photoelectric encoder not only can detect angle displacement, but also can detect straight-line displacement under mechanical switching device help,
Incremental encoder and absolute type encoder can be divided into according to the output form of its scale method and signal.Incremental encoder is
Displacement is converted into periodic electric signal, then this electric signal is transformed into counting pulse, indicates to be displaced with the number of pulse
Size；The corresponding determining digital code in each position of absolute type encoder, therefore of its indicating value and measurement
Begin related with final position, and is independent of the intermediate process of measurement.Single-ring absolute type photoelectric encoder is that light is measured from rotation
The road Shan Pange groove, to obtain unique coding.But when rotating more than 360 degree, coding is returned to origin, does not meet thus
The unique principle of absolute coding, such coding are only used for the measurement within 360 degree of rotating range.
General encoder has mechanical encoder and electronics encoder currently on the market.With clock and watch tooth
The principle of wheel mechanical, when the rotation of center code-disc, by another group of code-disc of gear drive (or multiple groups gear, multiple groups code-disc),
The coding mode of circle number is further added by the basis of individual pen coding, referred to as mechanical multi-turn absolute value encoder.Another kind passes through battery
Power supply is maintained, guarantees that the coding mode of encoder normal memory circle number after product powers off is known as electronics multi-turn absolute value encoder.
The advantages of encoder is hard small change point unnecessary during installation, using a certain middle position as starting point can,
To enormously simplify installation and debugging difficulty.Multi-turn absolute value encoder is with the obvious advantage in terms of length positioning, more next
It is applied in industry control positioning more.But mechanical encoder gear structure inside is complicated, and processing precise degree requires height, and
Since moving object is by the way that after reduction gearing, round-trip has gear gap error, so that the essence of mechanical multi-turn absolute value encoder
Degree is in bidirectional measurement application not as good as electronics multi-turn absolute value encoder.
Summary of the invention
(1) the technical issues of solving
For disadvantages mentioned above present in the prior art, the utility model provides electronics multi-turn absolute value encoder, energy
It is enough that battery present in the prior art is effectively overcome to continue to power to encoder during equipment does not work, be easy by extraneous vibration
The defect of influence.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs:
Electronics multi-turn absolute value encoder, including shell and mounting plate are opposite between the shell and mounting plate to be equipped with bullet
Spring base, the spring lever side is opposite to be equipped with auxiliary spring bar, is equipped with spring between the auxiliary spring bar and shell, mounting plate,
The auxiliary spring bar, spring are externally provided with damper cylinder, are successively equipped at intervals with partition, cushion blocking outside the damper cylinder, the shell with
Through there is a shaft between mounting plate, the mounting plate is equipped with the through-hole cooperated with shaft, on the shell and at shaft contacts
Equipped with bearing, the roller end is fixed with turntable, and inner walls place opposite with turntable is fixed with individual pen detection unit, institute
It states individual pen detection unit to be connected with controller, the controller is connected with the storage circuit for carrying out power-off storage, described to deposit
Storage road is connected with the power module for power supply.
Preferably, be equipped with inside the storage circuit filter circuit, reduction voltage circuit, voltage detecting circuit, accumulator and
Interrupt source circuit.
Preferably, the reduction voltage circuit is used to carry out being depressured to power module and power for controller, the voltage detecting
Circuit is for judging the current power supply situation of encoder, and the accumulator in encoder power process for controller for mentioning
It powers for of short duration pressure stabilizing, the interruption source circuit is used to provide interrupt source in controller power-off to store when front ring number.
It preferably, include a NPN type triode in the interruption source circuit, the collector of the NPN type triode connects
3.3V。
Preferably, spring lever setting symmetrical above and below.
Preferably, the auxiliary spring bar is about spring lever setting symmetrical above and below.
(3) beneficial effect
Compared with prior art, electronics multi-turn absolute value encoder provided by the utility model inside controller using depositing
Reservoir stores circle number, and memory range is wide, and is not take up any real space, and it is multistage to solve tradition machinery encoder
Gear occupancy volume is big, structure is complicated, but encodes the limited drawback of circle number, and due to being previously stored circle number,
Battery is not needed when not working yet to be powered；It is compact-sized, it is small in size, the cost of raw material is significantly reduced, while can
The use space for saving user, simplifies installation and debugging work, and save the cost improves efficiency；It can guarantee encoder individual pen after powering off
It is normal that position rotates data within the scope of ± 120 °；It can guarantee that encoder is powering on or shutdown transient reading position signal is normal, no
It will appear and power on or the phenomenon of shutdown transient encoder data mistake；Spring lever cooperation spring, partition, cushion blocking can effectively subtract
Vibration between slow shell and mounting plate, the setting of auxiliary spring bar can be improved the structural strength inside damper cylinder, so as to
Guarantee that encoder has metastable working environment during the work time, reduction extraneous vibration as far as possible is caused by encoder
It influences.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described.It should be evident that the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the utility model structure diagram；
Fig. 2 is Tthe utility model system structural schematic diagram；
In figure:
1, shell；2, mounting plate；3, spring lever；4, auxiliary spring bar；5, spring；6, damper cylinder；7, partition；8, cushion blocking；
9, shaft；10, through-hole；11, turntable；12, individual pen detection unit.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described.Obviously, it is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Electronics multi-turn absolute value encoder, as depicted in figs. 1 and 2, including shell 1 and mounting plate 2, shell 1 and mounting plate 2
Between it is opposite be equipped with spring lever 3,3 side of spring lever is opposite to be equipped with auxiliary spring bar 4, between auxiliary spring bar 4 and shell 1, mounting plate 2
It is equipped with spring 5, auxiliary spring bar 4, spring 5 are externally provided with damper cylinder 6, are successively equipped at intervals with partition 7, cushion blocking 8 outside damper cylinder 6,
Through there is a shaft 9 between shell 1 and mounting plate 2, mounting plate 2 is equipped with the through-hole 10 cooperated with shaft 9, on shell 1 with shaft 9
Contact position is equipped with bearing, and 9 end of shaft is fixed with turntable 11,1 inner wall of shell and turntable 11 and is fixed with individual pen detection list with respect to place
Member 12, individual pen detection unit 12 is connected with controller, and controller is connected with the storage circuit for carrying out power-off storage, storage electricity
Road is connected with the power module for power supply.
It is equipped with filter circuit, reduction voltage circuit, voltage detecting circuit, accumulator inside storage circuit and interrupts source circuit.
Reduction voltage circuit is used to carry out being depressured to power module and power for controller, and voltage detecting circuit is for judging coding
The current power supply situation of device, accumulator are used in encoder power process provide of short duration pressure stabilizing power supply for controller, interrupt
Source circuit is used to provide interrupt source in controller power-off to store when front ring number.
Interrupting includes a NPN type triode in source circuit, and the collector of NPN type triode meets 3.3V.
The setting symmetrical above and below of spring lever 3.
Auxiliary spring bar 4 is about the setting symmetrical above and below of spring lever 3.
Encoder powers on the saved multi-turn circle number qq and individual pen data of the last power-off stored in Read Controller, and
Flag bit Bz will be powered on and set 1.
Detect whether CF is failing edge.In power process, accumulator provides of short duration pressure stabilizing power supply for controller work,
Controller external interrupt is triggered by CF failing edge, saves current multi-turn circle number qq and individual pen data.
Detect encoder whether stable power-supplying.Controller acquires current individual pen data, and judgement powers on flag bit Bz, if powering on
Bz is set to 0 by flag bit Bz=1.Current individual pen data are compared with the individual pen data saved when power-off, if data when power-off
Greater than 240 °, current data illustrates that encoder is incremented by direction during power-off and rotates through 0, multi-turn circle number qq+1 less than 120 °；If
Data are less than 120 ° when power-off, and current data is greater than 240 °, illustrate that encoder direction of successively decreasing during power-off rotates through 0, multi-turn
Enclose number qq-1.If encoder rotation is more than ± 120 ° during power-off, data can malfunction.
Voltage stabilization power supply, and flag bit Bz=0 is powered on, the current individual pen data of controller circle collection judge individual pen data
Whether 0 is crossed in encoder rotary course.If the data of preceding one acquisition are greater than 270 °, current data illustrates to encode less than 90 °
The increasing direction of device rotates through 0, multi-turn circle number qq+1；If the data of preceding one acquisition, less than 90 °, current data is greater than 270 °,
Illustrate that encoder rotates through 0 in direction of successively decreasing, multi-turn circle number qq-1.If encoder is incremented by direction rotating cycle or direction rotation of successively decreasing
Number of turn-taking is greater than product requirement most great circle number n, and multi-turn circle number qq is set to n.
Voltage stabilization power supply, the current single-ring encoder data of controller circle collection or host computer issue acquisition or adopt
Acquire current single-ring encoder data when set pulse signal, individual pen data only 0 or individual pen data cross 0 and obtain multi-turn circle number
When, multi-turn circle number and current individual pen data group are combined into multi-revolution data output.Such as: 12 encoders of individual pen, multi-revolution data=
(qq*4096)+current individual pen data.
Spring lever 3 cooperates spring 5, partition 7, cushion blocking 8 that can effectively slow down the vibration between shell 1 and mounting plate 2, secondary
The setting of spring lever 4 can be improved the structural strength inside damper cylinder 6, have so as to guarantee encoder during the work time
Metastable working environment, as far as possible reduction extraneous vibration are influenced caused by encoder.
Controller can be used C8051F340 chip and complete above-mentioned control operation.
Electronics multi-turn absolute value encoder provided by the utility model deposits circle number using controller internal storage
Storage, memory range is wide, and is not take up any real space, solves tradition machinery encoder multi-stage gear and occupies volume
Greatly, structure is complicated, but encodes the limited drawback of circle number, and due to being previously stored circle number, when not working
Battery is not needed to be powered；It is compact-sized, it is small in size, the cost of raw material is significantly reduced, while making for user can be saved
With space, installation and debugging work is simplified, save the cost improves efficiency；Can guarantee power-off after encoder individual pen position rotation ±
Data are normal within the scope of 120 °；It can guarantee that encoder is powering on or shutdown transient reading position signal is normal, be not in power on
Or the phenomenon of shutdown transient encoder data mistake；Spring lever cooperation spring, partition, cushion blocking can effectively slow down shell and peace
The setting of vibration between loading board, auxiliary spring bar can be improved the structural strength inside damper cylinder, so as to guarantee encoder
There is metastable working environment during the work time, reduction extraneous vibration as far as possible is influenced caused by encoder.
Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to aforementioned reality
Example is applied the utility model is described in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
Modify or replace, can't make corresponding technical solution essence be detached from various embodiments of the utility model technical solution spirit and
Range.
Claims (6)
1. electronics multi-turn absolute value encoder, it is characterised in that: including shell (1) and mounting plate (2), the shell (1) and peace
Opposite between loading board (2) to be equipped with spring lever (3), spring lever (3) side is opposite to be equipped with auxiliary spring bar (4), the auxiliary spring
It is equipped between bar (4) and shell (1), mounting plate (2) spring (5), the auxiliary spring bar (4), spring (5) are externally provided with damper cylinder
(6), the damper cylinder (6) is successively equipped at intervals with partition (7), cushion blocking (8) outside, passes through between the shell (1) and mounting plate (2)
Be installed with shaft (9), the mounting plate (2) is equipped with the through-hole (10) that cooperates with shaft (9), on the shell (1) with shaft (9)
Contact position is equipped with bearing, and shaft (9) end is fixed with turntable (11), shell (1) inner wall and turntable (11) opposite place
Be fixed with individual pen detection unit (12), the individual pen detection unit (12) is connected with controller, the controller with for carrying out
The storage circuit of power-off storage is connected, and the storage circuit is connected with the power module for power supply.
2. electronics multi-turn absolute value encoder according to claim 1, it is characterised in that: be equipped with inside the storage circuit
Filter circuit, reduction voltage circuit, voltage detecting circuit, accumulator and interruption source circuit.
3. electronics multi-turn absolute value encoder according to claim 2, it is characterised in that: the reduction voltage circuit is used for electricity
Source module be depressured and is powered for controller, and the voltage detecting circuit is for judging the current power supply situation of encoder, institute
Accumulator is stated for providing of short duration pressure stabilizing power supply in encoder power process for controller, the interruption source circuit is used for
Interrupt source is provided when controller powers off to store when front ring number.
4. electronics multi-turn absolute value encoder according to claim 2, it is characterised in that: include in the interruption source circuit
One NPN type triode, the collector of the NPN type triode meet 3.3V.
5. electronics multi-turn absolute value encoder according to claim 1, it is characterised in that: the spring lever (3) is right up and down
Claim setting.
6. electronics multi-turn absolute value encoder according to claim 1, it is characterised in that: the auxiliary spring bar (4) about
Spring lever (3) setting symmetrical above and below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821692763.7U CN208847208U (en) | 2018-10-18 | 2018-10-18 | Electronics multi-turn absolute value encoder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821692763.7U CN208847208U (en) | 2018-10-18 | 2018-10-18 | Electronics multi-turn absolute value encoder |
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| CN208847208U true CN208847208U (en) | 2019-05-10 |
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| CN201821692763.7U Active CN208847208U (en) | 2018-10-18 | 2018-10-18 | Electronics multi-turn absolute value encoder |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710333A (en) * | 2020-12-08 | 2021-04-27 | 深圳市华成工业控制股份有限公司 | Encoder data overflow avoidance method and system for single-circle unidirectional motion |
| CN113406979A (en) * | 2021-06-21 | 2021-09-17 | 珠海格力电器股份有限公司 | Encoder abnormality detection method, device, storage medium, controller and equipment |
| CN116619347A (en) * | 2023-07-06 | 2023-08-22 | 深圳逐际动力科技有限公司 | Actuator, biped, quadruped and quadruped robot, mechanical arm and control method |
-
2018
- 2018-10-18 CN CN201821692763.7U patent/CN208847208U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710333A (en) * | 2020-12-08 | 2021-04-27 | 深圳市华成工业控制股份有限公司 | Encoder data overflow avoidance method and system for single-circle unidirectional motion |
| CN113406979A (en) * | 2021-06-21 | 2021-09-17 | 珠海格力电器股份有限公司 | Encoder abnormality detection method, device, storage medium, controller and equipment |
| CN116619347A (en) * | 2023-07-06 | 2023-08-22 | 深圳逐际动力科技有限公司 | Actuator, biped, quadruped and quadruped robot, mechanical arm and control method |
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