CN202567090U - Accurate flat bed positioning device for rotational cabinet - Google Patents
Accurate flat bed positioning device for rotational cabinet Download PDFInfo
- Publication number
- CN202567090U CN202567090U CN 201220026349 CN201220026349U CN202567090U CN 202567090 U CN202567090 U CN 202567090U CN 201220026349 CN201220026349 CN 201220026349 CN 201220026349 U CN201220026349 U CN 201220026349U CN 202567090 U CN202567090 U CN 202567090U
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- Prior art keywords
- cabinet
- flat bed
- rotational
- positioning device
- control system
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- Expired - Lifetime
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Abstract
The utility model provides an accurate flat bed positioning device for a rotational cabinet. The positioning device comprises a zero sensor, a coder, a servo motor and a control system, wherein the zero sensor is arranged on any one flat bed of the rotational cabinet; the coder is connected with a drive shaft; the operation of the drive shaft is controlled by the servo motor; and the zero sensor, the coder and the servo motor are connected with the control system. The accurate flat bed positioning device for a rotational cabinet provided by the utility model can accurately position the required medicines without influencing the operating efficiency of the rotational cabinet and has no accumulated error generated during long-period operation.
Description
Technical field
The utility model relates to a kind of revolution cabinet accurate level positioner.
Background technology
Along with growth in the living standard, ask the doctor that the integrated service level of hospital has been proposed increasingly high requirement.This integrated service level should be omnibearing, on the medical skill medical ethics that is embodied in the doctor, also is embodied on the overall technology level of the environment of seeking medical advice.The intellectual access system is the important behaviour of hospital's high level technical capability.The big-and-middle-sized hospital of China, particularly large-scale front three time series of outpatient amount is big especially, and 3000 of day outpatient service prescription on individual diagnosis amounts are more than the patient, and the allocation pharmaceutical worker of Outpatient Dispensary is caused very big operating pressure.In order to deal with so big allocation medicine portfolio, a part of hospital takes the lead in having launched the revolution medicine-chest and assists to allot medicine.Revolution medicine-chest storage capacity is quite big, and storable drug variety number is also many.
Fig. 1 is prior art revolution medicine-chest structural representation.Form by turning unit (flat bed), chain-drive mechanism and control system.Chain-drive mechanism drives the turning unit revolution.Gyration is controlled by the control system, drives chain-drive mechanism through drive motors and does gyration.During selected required medicine, the appointment object keeping box bucket of turning unit moves to the position of slot, pharmacist's operation of getting it filled.A turning unit is made up of a lot of hoppers, can store a large amount of medicines, has improved the efficient of access medicine greatly.
But the accurate location how can in control procedure, realize each turning unit, the position cumulative errors of elimination long-time running not influence the accuracy that the pharmacist gets it filled and operates, still need further to study and design.
Summary of the invention
In order to overcome the deficiency of prior art, the utility model provides a kind of revolution cabinet accurate level positioner, can accurately locate the medicine that moves to slot, improves get it filled accuracy and efficient greatly.
The revolution medicine-chest accurate level positioner of the utility model; Said positioner comprises null pick-up, zero-bit tablet, encoder, servomotor and control system; Said null pick-up is fixed on the fixed mount, and said zero-bit tablet is installed on the zero-bit flat bed.
Said zero-bit flat bed is arbitrary flat bed of appointment from revolution medicine-chest flat bed, but the position of null pick-up perception zero-bit tablet, and then the position of definite zero-bit flat bed.
Further, said encoder is connected in driving shaft, the running of said servomotor control driving shaft.
Further, said null pick-up, encoder, servomotor all are connected with said control system.
The beneficial effect of the utility model is:
1. the revolution cabinet accurate level positioner that provides of the utility model can accurately be located.Wherein the installation site of null pick-up is fixed, and for whole motion path provides unique reference point, through returning zeroing encoder is made zero, and makes the control system obtain the zero-bit reference position.In the operation process of revolution cabinet, after the control system obtained a target location, the position calculation that writes down according to current encoder went out the distance of needs motion, and control servomotor motion respective is with accurate location.
2. can eliminate the difference that servomotor actual motion distance and encoder calculate required move distance.Because reason such as the frame for movement or the kind of drive; Servomotor actual motion distance is calculated required move distance with encoder and is had difference; When we move next time; Always, can compensate effectively, form a closed-loop control system with the physical location of current encoder record point as a reference.Eliminate the cumulative errors of long-time running.
3. avoid reducing operational efficiency when the unnecessary time cost of this compensating movement.Because the fine error of single operation can't actual influence to the action that picks and places of revolution cabinet, and will inevitably spend the regular hour when inferior compensating movement, reduced operational efficiency.
4. the utility model reduces error from root, reaches pinpoint purpose.
Description of drawings
Fig. 1 is prior art revolution cabinet side schematic view
Fig. 2 is revolution cabinet accurate level positioner profile;
Wherein:
The 1-null pick-up, the 2-encoder, the 3-servomotor, 4-controls system, 5-balancing pole track, 6-driven sprocket, 7-turning unit (flat bed), 8-drive sprocket, 9-support bar.
The specific embodiment
Can know that by Fig. 2 the realization of said accurate level positioner comprises null pick-up 1, encoder 2, servomotor 3 and control system 4.Said null pick-up 1 is installed on the arbitrary flat bed 7 of said revolution cabinet, and said encoder 2 is connected in driving shaft, the running of said servomotor 3 control driving shafts, and said null pick-up 1, encoder 2, servomotor 3 are connected with said control system 4.
The installation site of null pick-up 1 is fixed, and is the unique reference point on the whole motion path, through returning zeroing encoder 2 is made zero, and makes control system 4 obtain this reference position, reduces error from root, reaches pinpoint purpose.In an operation process of revolution cabinet, after control system 4 obtained a target location, the position calculation that writes down according to current encoder 2 went out the distance of needs motion; The respective that control servomotor 3 motion calculation obtain; Arrive the position of setting, but because reasons such as the frame for movement or the kind of drive, servo actual motion distance is calculated required move distance with encoder has difference; So when we move next time; Always, can compensate effectively, form a closed-loop control system with the physical location of current encoder record point as a reference.Because compensation is always carried out when moving next time, so the flat bed positioner that utilizes the utility model to provide can be located more accurately, there are not the cumulative errors of long-time running, do not influence the operational efficiency of revolution cabinet yet.
Below only be the concrete exemplary applications of the utility model, the protection domain of the utility model is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, all drop within the utility model protection domain.
Claims (3)
1. turn round cabinet accurate level positioner; It is characterized in that; Said positioner comprises null pick-up (1), zero-bit tablet, encoder (2), servomotor (3) and control system (4); Said null pick-up (1) is fixed on the fixed support, and said zero-bit tablet is installed on the zero-bit flat bed.
2. revolution cabinet accurate level positioner according to claim 1 is characterized in that said encoder is connected in driving shaft, the running of said servomotor (3) control driving shaft.
3. revolution cabinet accurate level positioner according to claim 1 is characterized in that said null pick-up (1), encoder (2), servomotor (3) all are connected with said control system (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220026349 CN202567090U (en) | 2012-01-19 | 2012-01-19 | Accurate flat bed positioning device for rotational cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220026349 CN202567090U (en) | 2012-01-19 | 2012-01-19 | Accurate flat bed positioning device for rotational cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202567090U true CN202567090U (en) | 2012-12-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220026349 Expired - Lifetime CN202567090U (en) | 2012-01-19 | 2012-01-19 | Accurate flat bed positioning device for rotational cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202567090U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123472A (en) * | 2013-01-25 | 2013-05-29 | 秦也辰 | Intelligent medicine dosing cabinet based on single chip microcomputer |
| CN103407847A (en) * | 2013-08-12 | 2013-11-27 | 无锡华科机械设备有限公司 | Automatic leveling control device |
| CN105159193A (en) * | 2015-08-21 | 2015-12-16 | 南京理工大学 | Intelligent access control system for TCM decoction piece packages |
| CN105397632A (en) * | 2015-12-28 | 2016-03-16 | 北京中电科电子装备有限公司 | Control method and device for air floating type rotating worktable station switchover |
| CN112678468A (en) * | 2020-12-15 | 2021-04-20 | 西门子（中国）有限公司 | Rolling machine and positioning method thereof |
-
2012
- 2012-01-19 CN CN 201220026349 patent/CN202567090U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123472A (en) * | 2013-01-25 | 2013-05-29 | 秦也辰 | Intelligent medicine dosing cabinet based on single chip microcomputer |
| CN103407847A (en) * | 2013-08-12 | 2013-11-27 | 无锡华科机械设备有限公司 | Automatic leveling control device |
| CN105159193A (en) * | 2015-08-21 | 2015-12-16 | 南京理工大学 | Intelligent access control system for TCM decoction piece packages |
| CN105159193B (en) * | 2015-08-21 | 2017-12-12 | 南京理工大学 | Prepared slices of Chinese crude drugs bag intellectual access control system |
| CN105397632A (en) * | 2015-12-28 | 2016-03-16 | 北京中电科电子装备有限公司 | Control method and device for air floating type rotating worktable station switchover |
| CN105397632B (en) * | 2015-12-28 | 2018-09-11 | 北京中电科电子装备有限公司 | A kind of control method and device of air-flotation type rotary table Switch of working position |
| CN112678468A (en) * | 2020-12-15 | 2021-04-20 | 西门子（中国）有限公司 | Rolling machine and positioning method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121205 |
|
| CX01 | Expiry of patent term |