CN108143484A - A kind of spot size automatic identification hand tool based on Hall effect - Google Patents
A kind of spot size automatic identification hand tool based on Hall effect Download PDFInfo
- Publication number
- CN108143484A CN108143484A CN201810091494.7A CN201810091494A CN108143484A CN 108143484 A CN108143484 A CN 108143484A CN 201810091494 A CN201810091494 A CN 201810091494A CN 108143484 A CN108143484 A CN 108143484A
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- CN
- China
- Prior art keywords
- focus lamp
- hand tool
- spot size
- hall effect
- automatic identification
- 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.)
- Pending
Links
- 230000005355 Hall effect Effects 0.000 title claims abstract description 19
- 239000011324 bead Substances 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000001126 phototherapy Methods 0.000 abstract description 2
- 230000001575 pathological effect Effects 0.000 description 3
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 108010076504 Protein Sorting Signals Proteins 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000002647 laser therapy Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000011287 therapeutic dose Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00642—Sensing and controlling the application of energy with feedback, i.e. closed loop control
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00696—Controlled or regulated parameters
- A61B2018/00702—Power or energy
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
- A61B2018/2015—Miscellaneous features
Abstract
The invention belongs to phototherapy device fields, and in particular to it is a kind of based on Hall effect spot size automatic identification hand tool, it can be achieved that adjust spot diameter while stable energy density.A kind of spot size automatic identification hand tool based on Hall effect, including focus lamp mobile device and sensing device, the focus lamp mobile device is connect with sensing device, focus lamp mobile device includes focus lamp, focus lamp can have along hand to be moved radially, and the sensing device includes coding disk and sensor, and the coding disk is connect with sensor rotation, the peripherally disposed multigroup magnetic part of coding disk, the sensor match with magnetic part position.Focus lamp mobile device is connect with sensing device, and sensing device and detection focus lamp linkage during the different location that focus lamp is moved to, are occurred Hall effect between sensor and different magnetic parts, the input of laser controlled with this, achieve the effect that stable energy density.
Description
Technical field
The invention belongs to phototherapy device fields, and in particular to a kind of spot size automatic identification based on Hall effect
Hand has.
Background technology
In optical therapeutic, light treatment hand tool is a crucial component, and the output of laser will be transmitted by treatment handpiece
Achieve the purpose that treatment, while the spot size of laser and energy density will be controlled very precisely to pathological tissues, from
And realize the treatment to different lesions.
Similar product present situation：Similar product is the manual automatic adjustment for adjusting or being carried out by optocoupler mode；
Existing product there are the problem of：
Operator is in surgical procedure, it will usually complete to control using different spot sizes during seance
It treats, therefore, treatment handpiece should have the function of adjusting spot size, and spot size, energy density are periodically adjusted in energy one
It can change correspondingly, in most cases, this change can cause energy density that can be not suitable for treatment use or even can generate safe hidden
To suffer from, this just needs the operator of equipment to go to manually adjust the energy density of equipment again while suitable spot size is selected, this
The mode of operation great work intensity of sample easily malfunctions and generates safety hazard, other injuries are brought to patient.
Lack the treatment handpiece for adjusting spot size and energy density synchronous change at present, operator can be greatly reduced
Labor intensity can simultaneously reduce the generation of security risk, it is believed that this is the inexorable trend of future device development.
Current laser therapy hand tool majority does not have linkage function, that is, need adjust hand tool, and need manually enter or
Corresponding numerical value is adjusted, it is cumbersome, it is easy to operate to generate error.
The hand tool for having linkage function at present is all that the mode of brush/contact is leaned on to detect gear, and two kinds of metal parts need close
Contact, and often do relative motion, easily there is the problems such as abrasion, loose contact.Had using the hand that optocoupler mode is adjusted
Although can be to avoid the contact of part, optocoupler mode reliability be low, is vulnerable to interference.
Invention content
The present invention provides a kind of spot size automatic identification hand tool based on Hall effect, it can be achieved that adjusting spot diameter
Simultaneous Stabilization energy density.
The technical solution adopted by the present invention is：
A kind of spot size automatic identification hand tool based on Hall effect, including focus lamp mobile device and sensing device,
The focus lamp mobile device is connect with sensing device, and focus lamp mobile device includes focus lamp, and focus lamp can have axial along hand
Mobile, the sensing device includes coding disk and sensor, and the coding disk is connect with sensor rotation, and coding disk is circumferentially square
To multigroup magnetic part is set, the sensor matches with magnetic part position.Focus lamp mobile device connects with sensing device
It connects, sensing device and detection focus lamp linkage, during the different location that focus lamp is moved to, between sensor and different magnetic parts
Hall effect occurs, the input of laser is controlled with this, achievees the effect that stable energy density.
Preferably, multigroup magnetic part includes multiple magnetic substances, the polarity row of magnetic substance in every group of magnetic part
Row differ.The changeable magnetic field of different arrangements of multiple magnetic substances, makes sensor receive unlike signal.
Preferably, the magnetic part is 9 groups, and every group includes 4 magnetic beads.9 groups to can be achieved hot spot 2-10mm adjustable, 4
Magnetic bead can realize different-effect by different arrangement modes.
Preferably, the focus lamp mobile device includes straight trough cylinder and spiral-tube, and the straight trough cylinder and spiral-tube diameter are not
With and be socketed, the axial straight trough of straight trough cylinder setting, spiral-tube setting helicla flute, straight trough cylinder is rotatablely connected with spiral-tube, focus lamp
It is slidably connected with straight trough, focus lamp and helicla flute.By the relative rotation of straight trough cylinder and spiral-tube, focus lamp can be slided with the two
It is dynamic, it realizes and moves axially under the action of straight trough and helicla flute.
Wherein, the spiral-tube is arranged in straight trough cylinder, and focus lamp is arranged in spiral-tube, and straight trough cylinder is consolidated with sensing device
Fixed connection.Rotary inductive device, you can control spiral-tube produces relative rotation with straight trough cylinder.
Preferably, locking plate and indicator drum are further included, the locking plate is arranged on the end of straight trough cylinder and spiral-tube, instruction
Cylinder is arranged on outside straight trough cylinder, and locking plate, indicator drum and sensing device are sequentially connected by pin.Locking plate will be straight with indicator drum
Groove drum and spiral-tube covering, prevent from polluting.
Wherein, the pin sets spring with locking plate junction, and pin and sensing device grafting, pin are consolidated with indicator drum
Fixed connection.When pin is connect with sensing device, coding disk is fixed, and can not be rotated, after mobile indicator drum, pin and sensing device
It is detached from, indicator drum can be made to produce relative rotation with sensing device, realize operation, this structure can prevent maloperation.
Wherein, cue mark is set on the indicator drum.Cue mark is used to indicate the position of coding disk.
Preferably, protection eyeglass is further included, the protection eyeglass is arranged near hand tool end.Protection eyeglass can be protected
Hand tool is not internal contaminated.
The invention has the advantages that：
1) hand tool effectively prevents operation pollutant from being polluted to light-conducting arm interior lens using protection eyeglass；
2) hand tool spot diameter multi gear position is adjustable, and the present invention can realize 9 grades of adjustings by 9 groups of magnetic parts.According to specific
Treatment need can carry out spot size adjusting；
3) compared with brush regulative mode hand has, for the present invention using hall sensing principle, sensor oncontacting point contact can be big
It is big to extend the service life of hand tool, and reduce maintenance capacity；
4) compared with optocoupler regulative mode hand has, reliability higher of the present invention is not easily susceptible to interfere；
5) operator can change the spot size acted on pathological tissues by rotating handwheel, and hand tool is adjusting hot spot
While size, the information that hot spot changes is passed to the control system of therapy apparatus, control system is automatic according to the change of hot spot
Adjustment output energy, it is constant in the energy density on pathological tissues to carry out guarantee effect.It is more accurate in therapeutic process so as to ensure that
Control therapeutic dose, avoid generating issuable safety hazard be artificially set.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is surface structure schematic diagram；
Fig. 3 is electric signal control principle drawing；
In figure：1- coding disks, 2- sensors, 3- straight trough cylinders, 4- spiral-tubes, 5- focus lamps, 6- focus on microscope base, and 7- screws are protected
Sheath, 8- locking plates, 9- pins, 10- indicator drums, 11- spot sizes instruction seat, 12- magnetic parts, 13- cue marks, 14-
Protect eyeglass.
Specific embodiment
With reference to the accompanying drawings and examples, the specific embodiment of the present invention is described in further detail.
As shown in Fig. 1 Fig. 2, a kind of spot size automatic identification hand tool based on Hall effect is moved including focus lamp and is filled
Put and sensing device, focus lamp mobile device connect with sensing device, focus lamp mobile device include straight trough cylinder 3, spiral-tube 4,
Focus lamp 5 includes coding disk 1 and sensor 2, the axial straight trough of 3 inside setting of straight trough cylinder, spiral shell with focusing on microscope base 6, sensing device
It revolves cylinder 4 and helicla flute is set, spiral-tube 4 is arranged in straight trough cylinder 3, and focus lamp 5 is arranged on by focusing on microscope base 6 in spiral-tube 4, is gathered
Burnt microscope base 6 connect helicla flute and straight trough by screw with screw protective sleeve 7.Straight trough cylinder 3 is fixedly connected with coding disk 1, sensor 2
It is arranged on outside coding disk 1.Straight trough cylinder 3 is fixedly connected with coding disk 1.
Focus lamp mobile device further includes locking plate 8 and indicator drum 10, and indicator drum 10 is arranged on outside straight trough cylinder 3, locking
Disk 8 is arranged on one end of straight trough cylinder 3 and spiral-tube 4, and locking plate 8, indicator drum 10 are sequentially connected with coding disk 1 by pin 9, pin
Nail 9 is equipped with spring.8 outside setting protection eyeglass 14 of locking plate.Pin 9 sets spring, pin 9 and sense with 8 junction of locking plate
Device grafting is answered, pin 9 is fixedly connected with indicator drum 10.
1 end set spot size of coding disk indicates seat 11, and sensor 2 is arranged on spot size instruction seat 11, hot spot
Size instruction seat 11 is rotatablely connected with coding disk 1, and 9 groups of magnetic parts 12 are set on coding disk 1, and every group of magnetic part 12 is 4
Order of polarity arranges different magnetic beads.
As shown in figure 3, sensor 2 can export a level signal, magnetic bead after detecting the polarity of each magnetic part 12
N poles correspond to high level and low level respectively with S poles, due to this group of magnetic part be 4 magnetic beads, difference group magnetic portions
The exportable different signal combination of part 12, the gear of corresponding different size hot spot, the identification relationship of hot spot gear are shown in Table 1.
1 hot spot gear of table identifies relationship
| Hot spot gear | OUT1 | OUT2 | OUT3 | OUT4 |
| 2 | 0 | 0 | 0 | 0 |
| 3 | 0 | 0 | 0 | 1 |
| 4 | 0 | 0 | 1 | 0 |
| 5 | 0 | 0 | 1 | 1 |
| 6 | 0 | 1 | 0 | 0 |
| 7 | 0 | 1 | 0 | 1 |
| 8 | 0 | 1 | 1 | 0 |
| 9 | 0 | 1 | 1 | 1 |
| 10 | 1 | 0 | 0 | 0 |
Operation principle of the present invention is as follows：
Rotary encoder disc 1, coding disk 1 drive straight trough cylinder 3 to produce relative rotation with spiral-tube 4, focus lamp 5 and straight trough and spiral shell
Spin slot connects, and focus lamp 5 is pushed to move axially under rotary action, realizes that spot size is adjusted.In 1 rotation process of coding disk,
Sensor 2 is located at a certain group of 12 position of magnetic part, is tested by hall sensing principle to different signals, by signal (signal
Sequence is shown in Table 1) be sent to control device after, control device can calculate 5 position of focus lamp at this time, so as to according to the change of position
Change, control device makes corresponding adjustment, stable energy density to laser output, it is ensured that during focus lamp 5 moves, hot spot
Size does not change energy density while change.
Claims (9)
1. a kind of spot size automatic identification hand tool based on Hall effect, it is characterised in that：Including focus lamp mobile device with
Sensing device, the focus lamp mobile device are connect with sensing device, and focus lamp mobile device includes focus lamp, and focus lamp can edge
Hand tool axial movement, the sensing device include coding disk and sensor, and the coding disk is connect with sensor rotation, coding disk
Peripherally disposed multigroup magnetic part, the sensor match with magnetic part position.
2. a kind of spot size automatic identification hand tool based on Hall effect according to claim 1, it is characterised in that：Institute
It states multigroup magnetic part and includes multiple magnetic substances, the polar alignment of magnetic substance differs in every group of magnetic part.
3. a kind of spot size automatic identification hand tool based on Hall effect according to claim 1, it is characterised in that：Institute
It is 9 groups to state magnetic part, and every group includes 4 magnetic beads.
4. a kind of spot size automatic identification hand tool based on Hall effect according to claim 1, it is characterised in that：Institute
It states focus lamp mobile device and includes straight trough cylinder and spiral-tube, the straight trough cylinder is different from spiral-tube diameter and is socketed, and straight trough cylinder is set
Axial straight trough, spiral-tube setting helicla flute are put, straight trough cylinder is rotatablely connected with spiral-tube, focus lamp and straight trough, focus lamp and spiral shell
Spin slot is slidably connected.
5. a kind of spot size automatic identification hand tool based on Hall effect according to claim 4, it is characterised in that：Institute
It states spiral-tube to be arranged in straight trough cylinder, focus lamp is arranged in spiral-tube, and straight trough cylinder is fixedly connected with sensing device.
6. a kind of spot size automatic identification hand tool based on Hall effect according to claim 5, it is characterised in that：Also
Including locking plate and indicator drum, the locking plate is arranged on the end of straight trough cylinder and spiral-tube, and indicator drum is arranged on outside straight trough cylinder
Portion, locking plate, indicator drum and sensing device are sequentially connected by pin.
7. a kind of spot size automatic identification hand tool based on Hall effect according to claim 6, it is characterised in that：Institute
It states pin and spring is set with locking plate junction, pin and sensing device grafting, pin are fixedly connected with indicator drum.
8. a kind of spot size automatic identification hand tool based on Hall effect according to claim 6, it is characterised in that：Institute
It states and cue mark is set on indicator drum.
9. a kind of spot size automatic identification hand tool based on Hall effect according to claim 1, it is characterised in that：Also
Including protecting eyeglass, the protection eyeglass is arranged near hand tool end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810091494.7A CN108143484A (en) | 2018-01-30 | 2018-01-30 | A kind of spot size automatic identification hand tool based on Hall effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810091494.7A CN108143484A (en) | 2018-01-30 | 2018-01-30 | A kind of spot size automatic identification hand tool based on Hall effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108143484A true CN108143484A (en) | 2018-06-12 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810091494.7A Pending CN108143484A (en) | 2018-01-30 | 2018-01-30 | A kind of spot size automatic identification hand tool based on Hall effect |
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| Country | Link |
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| CN (1) | CN108143484A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108888338A (en) * | 2018-06-22 | 2018-11-27 | 东莞市联洲知识产权运营管理有限公司 | A kind of laser scalpel of sliding door limit |
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2018
- 2018-01-30 CN CN201810091494.7A patent/CN108143484A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200955130Y (en) * | 2006-09-06 | 2007-10-03 | 交通部公路科学研究所 | Magnetic road mark |
| CN101425147A (en) * | 2007-11-01 | 2009-05-06 | 王恩惠 | Method for identifying driver check item code |
| CN101524929A (en) * | 2008-03-04 | 2009-09-09 | 中国印钞造币总公司 | Coding device and coding method of print wheel of numbering machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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