CN110215192A - A kind of OCT Multi probe automatic switchover system and method - Google Patents
A kind of OCT Multi probe automatic switchover system and method Download PDFInfo
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Abstract
The invention discloses a kind of OCT Multi probe automatic switchover system and methods, by using the connector of Optoelectric hybrid, so that OCT image equipment can only connect the electric signal of scanning head and the optical signal of optical fiber simultaneously with a connector；It defines photoelectric mixed connector several stitch therein and is used as scanning head type classification, main control chip exports different control signal and drive module according to the switching of the level of these stitch, to realize automatic switchover and a variety of different scanning heads of driving；An interface is used only in the technical program in this way, and OCT image equipment can universally connect two kinds or more different types of scanning heads, reduce connector usage quantity；So that an OCT image equipment passes through the scanning head for simply switching connection, the Sample Scan to different application scene is realized.
Description
Technical field
The present invention relates to medical imaging field more particularly to a kind of OCT Multi probe automatic switchover system and methods.
Background technique
Optical coherence tomography (Opticsl coherence tomogrsphy, OCT) is used as a kind of high-resolution
The biomedical imaging means of rate, principle are based on low coherence interference technology, in conjunction with the advantages of heterodyne detection and confocal imaging, warp
The acquisition process for crossing interference signal recovers the three-dimensional tomographic image of sample, reflects internal structure, scattering coefficient of sample etc.
Important information, imaging depth 3-5mm, cover lesion region, high resolution reach 1-10um, there are also non-intruding, it is radiationless the advantages that,
There are good application prospect and potentiality to be exploited in many fields.
Just because of the These characteristics of OCT technology, the OCT image equipment applied to different field often configures corresponding inhomogeneity
The probe of type, if for example, the scanning head that is made of mechanical galvanometer of OCT image equipment configuration can to the non-interior sample for peeping field into
Row large area fast scan imaging, and if OCT image equipment is configured by MEMS (microelectromechsnicsl
Systems, abbreviation MEMS) composition micro mirror scanning head can be used for narrow cavity based endoscopic imaging.Not due to OCT image equipment
Same scanning head, driving voltage, electric current have differences, so a probe interface of existing OCT image equipment is general
A kind of scanning head can only be adapted to, use scope is limited, then will appear that probe connector is excessive, visits when being applied to different scenes
The problem of head connector stitch is excessive, fiber optic cables separate, probe interchangeability is poor, stability reduces, cannot achieve different characteristics
The free switching of OCT probe.
Therefore, the existing technology needs to be improved and developed.
Summary of the invention
The purpose of the present invention is to provide a kind of OCT Multi probe automatic switchover system and methods, it is intended to solve existing OCT
Imaging device can not achieve the problem of different characteristics OCT probe free switching.
Technical scheme is as follows: a kind of OCT Multi probe automatic switchover system, wherein connects including Optoelectric hybrid
Device is provided with scanning head type stitch on photoelectric mixed connector, shares stitch and fiber connector, according to scanning head
The multilevel type of type stitch output determines the scanning head type currently connected, by sharing stitch output control signal driving
The scanning head currently connected, OCT image equipment query obtain the scanning head type currently connected and send scan command extremely
The scanning head currently connected, the fiber connector and optical fiber cable that the optical signal of scanning head passes through on photoelectric mixed connector connect
It is connected to OCT image equipment.
The OCT Multi probe automatic switchover system, wherein it further include main control chip, the main control chip and OCT image
Equipment connection, main control chip are connect with scanning head type stitch；Main control chip detects the scanning on photoelectric mixed connector and visits
Whether the level of head type stitch changes；Main control chip is defeated by sharing stitch according to the multilevel type of scanning head type stitch
Control signal drives the scanning head to the scanning head currently connected out；Main control chip send scanning head type to OCT at
As equipment, OCT image equipment query obtains the scanning head type currently connected；OCT image equipment sends scan command to master
Chip is controlled, main control chip sends the scanning head of scan command to connection, and the optical signal of scanning head is connected by Optoelectric hybrid
Fiber connector and optical fiber cable on device are connected to OCT image equipment.
The OCT Multi probe automatic switchover system, wherein it further include serial port module, the serial port module and OCT image
Equipment connection, serial port module are connect with main control chip；Main control chip sends scanning head type to OCT image by serial port module
Equipment and the scan command for receiving OCT image equipment.
The OCT Multi probe automatic switchover system, wherein further include digital-to-analogue conversion output module, the digital-to-analogue conversion
Output module is connect with main control chip, and digital-to-analogue conversion output module is connect with photoelectric mixed connector；Main control chip is according to scanning
Order control digital-to-analogue conversion output module exports the driving signal wave of different voltages, frequency, phase by different output channels
To drive different scanning heads.
The OCT Multi probe automatic switchover system, wherein it further include relay module, the relay module and master
Chip connection is controlled, relay module is connect with digital-to-analogue conversion output module, relay module and being total on photoelectric mixed connector
It is connected with stitch；For main control chip according to the Type Control relay module of scanning head, relay module control, which switches, shares needle
On foot to the drive module of corresponding scanning head.
The OCT Multi probe automatic switchover system, wherein when scanning head is that vibration mirror scanning probe and MEMS scanning are visited
Head when, the OCT Multi probe automatic switchover system include photoelectric mixed connector, OCT image equipment, vibration mirror scanning probe and
MEMS scanning head, main control chip, serial port module, digital-to-analogue conversion output module, relay module and galvanometer motor drive module,
Fiber connector, scanning head type stitch and shared stitch are provided on photoelectric mixed connector, the vibration mirror scanning is visited
Head and MEMS scanning head are connect with photoelectric mixed connector, and scanning head type stitch is connect with main control chip, master control core
Piece is connect with serial port module, and main control chip is connect with digital-to-analogue conversion output module, and main control chip is connect with relay module, serial ports
Module is connect with OCT image equipment, and digital-to-analogue conversion output module is connect with galvanometer motor drive module, digital-to-analogue conversion output module
It is connect with relay module, relay module is connect with galvanometer motor drive module, and relay module is connect with shared stitch, light
Fine connector is connect with OCT image equipment by optical fiber cable.
A kind of OCT Multi probe automatic switching method, wherein specifically includes the following steps:
S1: whether the level of the scanning head type stitch on detection photoelectric mixed connector changes；
S2: corresponding scanning head is output control signals to according to the multilevel type of scanning head type stitch, drives the scanning
Probe；
S3: the scanning head type currently connected is fed back to OCT image equipment；
S4: the scanning head type for waiting OCT image equipment query currently to connect；
S5: the scan command of OCT image equipment is received, scan command is sent to the scanning head currently connected.
The OCT Multi probe automatic switching method, wherein when scanning head is that vibration mirror scanning probe and MEMS scanning are visited
When head, specifically includes the following steps:
S2: whether the level of main control chip detection scanning head type stitch changes, and s3 is gone to if level does not change, if level
All outputs that D/A converter module is then arranged in variation are 0 volt and go to s3；
S3: main control chip detects the level state of scanning head type stitch, and if low level, main control chip controls relay mould
Block makes the delivery outlet of galvanometer motor drive module be connected to shared stitch and goes to s4；If high level, main control chip control after
Electrical appliance module makes the delivery outlet of D/A converter module be directly connected to shared stitch and goes to s4；
S4: main control chip feeds back the scanning head type currently connected to OCT image equipment by serial port module and goes to s5；
S5: main control chip waits the scanning head type that currently connects of OCT image equipment query and goes to s6；
S6: the scan command of the OCT image equipment to be received such as main control chip, and the scan command received is sent to and is currently connected
The scanning head connect, and go to s2.
The OCT Multi probe automatic switching method, wherein further include s1 before s2: powering on booting, at the beginning of main control chip
Beginningization, all outputs that D/A converter module is arranged are 0 volt, control relay module, keep the delivery outlet of D/A converter module straight
It is connected to shared stitch in succession, goes to s2.
The OCT Multi probe automatic switchover system, wherein in the s6, the OCT image equipment to be received such as main control chip
Scan command, and the scan command received is sent to the scanning head currently connected: if the scanning head currently connected
For vibration mirror scanning probe, main control chip controls two channels output two-way scanning three in D/A converter module according to scan command
Angle wave is to galvanometer motor drive module, while main control chip control relay module connects the output line of galvanometer motor drive module
The shared stitch being connected on photoelectric mixed connector；If the scanning head currently connected is MEMS scanning head, main control chip control
Four channels in D/A converter module processed all export scanning triangular wave to relay module, while main control chip controls relay
Module makes the four-way signal of D/A converter module be directly connected to the shared stitch on photoelectric mixed connector.
Beneficial effects of the present invention: the present invention is by providing a kind of OCT Multi probe automatic switchover system and method, by making
With the connector of Optoelectric hybrid, so that OCT image equipment can only connect the electric signal of scanning head simultaneously with a connector
With the optical signal of optical fiber；It defines photoelectric mixed connector several stitch therein and is used as scanning head type classification, main control chip
Different control signal and drive module are exported according to the switching of the level of these stitch, to realize that automatic switchover and driving are a variety of
Different scanning heads；Main control chip is connected with a serial port module, the scanning head class for notifying OCT image equipment current
Type and reception OCT image equipment scan command；Main control chip is connected with digital-to-analogue conversion output module, and main control chip is ordered according to scanning
Enable and select different output channel, with export different voltages, frequency, phase triangular wave drive different scanning heads；It is main
Control chip is connected with relay module, and main control chip realizes switched scan according to the Type Control relay module of scanning head
On the shared stitch of probe to the drive module of corresponding scanning head type；An interface, OCT is used only in the technical program in this way
Imaging device can universally connect two kinds or more different types of scanning heads, reduce connector usage quantity；Make
It obtains an OCT image equipment and passes through the scanning head for simply switching connection, realize the Sample Scan to different application scene.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of OCT Multi probe automatic switchover system in the present invention.
Fig. 2 is the step flow chart of OCT Multi probe automatic switching method in the present invention.
Fig. 3 a is the A sweep triangular waveform figure that vibration mirror scanning is popped one's head in the present invention.
Fig. 3 b is the B-scan triangular waveform figure that vibration mirror scanning is popped one's head in the present invention.
Fig. 3 c is the A sweep triangular waveform group picture of MEMS scanning head in the present invention.
Fig. 3 d is the B-scan triangular waveform group picture of MEMS scanning head in the present invention.
Specific embodiment
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second " are only used for
Purpose is described, relative importance is not understood to indicate or imply or implicitly indicates the quantity of indicated technical characteristic.
" first " is defined as a result, the feature of " second " can explicitly or implicitly include one or more feature.?
In description of the invention, the meaning of " plurality " is two or more, unless otherwise specifically defined.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected or can mutually communicate；It can be directly connected, it can also be by between intermediary
It connects connected, can be the connection inside two elements or the interaction relationship of two elements.For the ordinary skill of this field
For personnel, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
Following disclosure provides many different embodiments or example is used to realize different structure of the invention.In order to
Simplify disclosure of the invention, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and
And it is not intended to limit the present invention.In addition, the present invention can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, itself not indicate between discussed various embodiments and/or setting
Relationship.In addition, the present invention provides various specific techniques and material example, but those of ordinary skill in the art can be with
Recognize the application of other techniques and/or the use of other materials.
As shown in Figure 1, a kind of OCT Multi probe automatic switchover system, including photoelectric mixed connector 1, connect in Optoelectric hybrid
It connects and is provided with scanning head type stitch 2 on device 1, shares stitch 7 and fiber connector 11, according to scanning head type stitch 2
The multilevel type of output determines 9 type of scanning head currently connected, is currently connected by sharing the output control signal driving of stitch 7
The scanning head 9 connect, the inquiry of OCT image equipment 10 obtain 9 type of scanning head that currently connects and send scan command to working as
The scanning head 9 of preceding connection, the optical signal of scanning head 9 is by the fiber connector 11 and optical fiber on photoelectric mixed connector 1
Line 12 is connected to OCT image equipment 10.
Specifically, the OCT Multi probe automatic switchover system further includes main control chip 3, the main control chip 3 and OCT at
As the connection of equipment 10, main control chip 3 is connect with scanning head type stitch 2；Main control chip 3 detects on photoelectric mixed connector 1
The level of scanning head type stitch 2 whether change；Main control chip 3 is logical according to the multilevel type of scanning head type stitch 2
It crosses shared stitch 7 and outputs control signals to corresponding scanning head 9, drive the scanning head 9；Main control chip 3 sends scanning and visits
First 9 type to OCT image equipment 10, the inquiry of OCT image equipment 10 obtains 9 type of scanning head currently connected；OCT image is set
Standby 10 send scan command to main control chip 3, and main control chip 3 sends the scanning head 9 of scan command to connection, scanning head 9
Optical signal by photoelectric mixed connector 1 fiber connector 11 and optical fiber cable 12 be connected to OCT image equipment 10.
Further, the OCT Multi probe automatic switchover system further includes serial port module 8, the serial port module 8 and OCT
Imaging device 10 connects, and serial port module 8 is connect with main control chip 3；Main control chip 3 notifies OCT image equipment by serial port module 8
10 current 9 types of scanning head and the scan command for receiving OCT image equipment 10.
Further, the OCT Multi probe automatic switchover system further includes digital-to-analogue conversion output module 4, and the digital-to-analogue turns
It changes output module 4 to connect with main control chip 3, digital-to-analogue conversion output module 4 is connect with photoelectric mixed connector 1；Main control chip 3
Digital-to-analogue conversion output module 4, which is controlled, according to scan command passes through the driving of different output channel output different voltages, frequency, phase
Signal wave drives different scanning heads 9.
Further, the OCT Multi probe automatic switchover system further includes relay module 6, the relay module 6 with
Main control chip 3 connects, and relay module 6 is connect with digital-to-analogue conversion output module 4, relay module 6 and photoelectric mixed connector 1
On shared stitch 7 connect；Type Control relay module 6 of the main control chip 3 according to scanning head, the control of relay module 6
Switch and shares on stitch 7 to the drive module of corresponding scanning head.
When scanning head is vibration mirror scanning probe and MEMS scanning head, the OCT Multi probe automatic switchover system packet
Include photoelectric mixed connector 1, OCT image equipment 10, vibration mirror scanning probe 9 and MEMS scanning head 9, main control chip 3, serial ports mould
Block 8, digital-to-analogue conversion output module 4, relay module 6 and galvanometer motor drive module 5, are arranged on photoelectric mixed connector 1
There are fiber connector 11, scanning head type stitch 2 and shared stitch 7, the vibration mirror scanning probe 9 and MEMS scanning head 9
It is connect with photoelectric mixed connector 1, scanning head type stitch 2 is connect with main control chip 3, main control chip 3 and serial port module 8
Connection, main control chip 3 connect with digital-to-analogue conversion output module 4, and main control chip 3 is connect with relay module 6, serial port module 8 and
OCT image equipment 10 connects, and digital-to-analogue conversion output module 4 is connect with galvanometer motor drive module 5, digital-to-analogue conversion output module 4
It is connect with relay module 6, relay module 6 is connect with galvanometer motor drive module 5, and relay module 6 and shared stitch 7 connect
It connects, fiber connector 11 is connect with OCT image equipment 10 by optical fiber cable 12.
As shown in Figure 1, a kind of OCT Multi probe automatic switching method, specifically includes the following steps:
S1: whether the level of the scanning head type stitch 2 on detection photoelectric mixed connector 1 changes；
S2: corresponding scanning head 9 is output control signals to according to the multilevel type of scanning head type stitch 2, this is driven to sweep
Retouch probe 9；
S3: 9 type of scanning head currently connected is fed back to OCT image equipment 10；
S4: OCT image equipment 10 is waited to inquire 9 type of scanning head currently connected；
S5: the scan command of OCT image equipment is received, scan command is sent to the scanning head currently connected.
When scanning head is vibration mirror scanning probe and MEMS scanning head, the OCT Multi probe automatic switching method is specific
The following steps are included:
S1: powering on booting, and main control chip 3 initializes, and all outputs of setting D/A converter module 4 are 0 volt, controls relay mould
Block 6 makes the delivery outlet of D/A converter module 4 be directly connected to shared stitch 7, goes to s2；
S2: whether the level that main control chip 3 detects scanning head type stitch 2 changes, and s3 is gone to if level does not change, if electric
It is flat to change all outputs that D/A converter module 4 is then set as 0 volt and go to s3；
S3: main control chip 3 detects the level state of scanning head type stitch 2, and if low level, main control chip 3 controls relay
Device module 6 makes the delivery outlet of galvanometer motor drive module 5 be connected to shared stitch 7 and goes to s4；If high level, master control core
Piece 3 controls relay module 6, so that the delivery outlet of D/A converter module 4 is directly connected to shared stitch 7 and goes to s4；
S4: main control chip 3 is fed back 9 type of scanning head currently connected to OCT image equipment 10 and is gone to by serial port module 8
s5；
S5: main control chip 3 waits OCT image equipment 10 to inquire 9 type of scanning head currently connected and go to s6；
S6: the scan command of the OCT image equipment 10 to be received such as main control chip 3, and the scan command received is sent to and is worked as
The scanning head of preceding connection, and go to s2.
Wherein, in s6, the scan command of the OCT image equipment 10 to be received such as main control chip 3, and the scanning received is ordered
Order is sent to the scanning head currently connected: if the scanning head currently connected is that vibration mirror scanning is popped one's head in, main control chip 3 is according to sweeping
The two channels output two-way retouched in order control D/A converter module 4 scans triangular wave (triangular wave is as shown in Fig. 3 a, 3b) extremely
Galvanometer motor drive module 5, while main control chip 3 controls relay module 6 and connects the output line of galvanometer motor drive module 5
Shared stitch 7 on to photoelectric mixed connector 1；If the scanning head currently connected is MEMS scanning head, control digital-to-analogue turns
Four channels in mold changing block 4 all export scanning triangular wave, and (for triangular wave as shown in Fig. 3 c, 3d, every two channel is one group, often
Two triangular wave mutual deviation 180 degree phases in group) to relay module 6, while main control chip 3 controls relay module 6 and makes to count
The four-way signal of mould conversion module 4 is directly connected to the shared stitch 7 on photoelectric mixed connector 1.
The technical program uses input interface of the photoelectric mixed connector 1 as scanning head in OCT image equipment 10,
The electric signal and optical signal of scanning head can be only connected with an interface, which can connect a variety of scanning heads, including
But it is not limited to vibration mirror scanning probe and MEMS scanning head, all scanning head electric signal connection stitch use Optoelectric hybrid to connect
The shared stitch 7 for connecing device 1 is attached.
Several stitch in photoelectric mixed connector 1 are defined as scanning head type detection stitch 2 by the technical program, are led to
The level of overscanning probe type detection stitch 2 may recognize that the type for being physically connected to the scanning head of OCT image equipment 10,
According to the scanning head type recognized, automatically switch different control signal and drive module, and is connected to Optoelectric hybrid company
Connect the shared stitch 7 of device 1.
The technical program has serial port module 8, and main control chip 3 can be sent by serial port module 8 to OCT image equipment 10
The type information of the scanning head 9 currently connected, main control chip 3 can receive sweeping for OCT image equipment 10 by serial port module 8
Retouch order.
The technical program is visited by main control chip 3, D/A converter module 4, serial port module 8 according to the scanning currently connected
The scan command of first 9 type and the OCT image equipment 10 received, the triangular wave for generating a variety of corresponding 9 types of scanning head drive
Dynamic signal, driving signal includes but is not limited to frequency, phase, the mutually independent two channels triangular signal of amplitude or frequency, phase
(e.g., every group of signal its frequency is identical with amplitude, but phase mutual deviation 180 for position, the mutually independent two groups of triangular signal groups of amplitude
Degree), it is also possible to the scanning heads driving method such as sine wave signal.
In the technical program, by using the connector 1 of Optoelectric hybrid, so that OCT image equipment 10 is only with a connector
The electric signal of scanning head and the optical signal of optical fiber can be connected simultaneously；Define the several pins therein of photoelectric mixed connector 1
Foot is used as scanning head type classification, and main control chip 3 exports different control signal and drive according to the switching of the level of these stitch
Dynamic model block, to realize automatic switchover and a variety of different scanning heads of driving；Main control chip 3 is connected with a serial port module 8,
Scanning head type and reception 10 scan command of OCT image equipment for notifying OCT image equipment 10 current；Main control chip 3
It is connected with digital-to-analogue conversion output module 4, main control chip 3 selects different output channels according to scan command, to export different electricity
Pressure, frequency, phase triangular wave drive different scanning heads；Main control chip 3 is connected with relay module 6, main control chip 3
According to the Type Control relay module 6 of scanning head, realize the shared stitch of switched scan probe to correspondence scanning head class
In the drive module of type；An interface is used only in the technical program in this way, and OCT image equipment 10 can universally connect two kinds
Or more different types of scanning head, reduce connector usage quantity；So that an OCT image equipment is by simply switching
The scanning head of connection realizes the Sample Scan to different application scene.
In the description of this specification, reference term " embodiment ", " certain embodiments ", " schematically implementation
What the description of mode ", " example ", " specific example " or " some examples " etc. meant to describe in conjunction with the embodiment or example
Particular features, structures, materials, or characteristics are contained at least one embodiment or example of the invention.In this specification
In, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific spy of description
Sign, structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention
Protect range.
Claims (10)
1. a kind of OCT Multi probe automatic switchover system, which is characterized in that including photoelectric mixed connector, connected in Optoelectric hybrid
It is provided with scanning head type stitch on device, shares stitch and fiber connector, the electricity exported according to scanning head type stitch
Flat type determines the scanning head type currently connected, is visited by sharing the scanning that stitch output control signal driving currently connects
Head, OCT image equipment query obtain the scanning head type currently connected and send scan command to the scanning currently connected and visit
Head, the fiber connector and optical fiber cable that the optical signal of scanning head passes through on photoelectric mixed connector are connected to OCT image equipment.
2. OCT Multi probe automatic switchover system according to claim 1, which is characterized in that it further include main control chip, it is described
Main control chip is connect with OCT image equipment, and main control chip is connect with scanning head type stitch；Main control chip detects Optoelectric hybrid
Whether the level of the scanning head type stitch on connector changes；Main control chip is according to the level class of scanning head type stitch
Type outputs control signals to the scanning head currently connected by sharing stitch, drives the scanning head；Main control chip transmission is swept
Probe type is retouched to OCT image equipment, OCT image equipment query obtains the scanning head type currently connected；OCT image equipment
Scan command is sent to main control chip, main control chip sends the scanning head of scan command to connection, the optical signal of scanning head
By on photoelectric mixed connector fiber connector and optical fiber cable be connected to OCT image equipment.
3. OCT Multi probe automatic switchover system according to claim 2, which is characterized in that it further include serial port module, it is described
Serial port module is connect with OCT image equipment, and serial port module is connect with main control chip；Main control chip is sent by serial port module and is scanned
Probe type to OCT image equipment and receive OCT image equipment scan command.
4. OCT Multi probe automatic switchover system according to claim 2, which is characterized in that further include digital-to-analogue conversion output
Module, the digital-to-analogue conversion output module are connect with main control chip, and digital-to-analogue conversion output module is connect with photoelectric mixed connector；
Main control chip according to scan command control digital-to-analogue conversion output module by different output channel output different voltages, frequency,
The driving signal wave of phase drives different scanning heads.
5. OCT Multi probe automatic switchover system according to claim 4, which is characterized in that it further include relay module, institute
It states relay module to connect with main control chip, relay module is connect with digital-to-analogue conversion output module, relay module and photoelectricity
Shared stitch connection on mixed loading connector；Type Control relay module of the main control chip according to scanning head, relay mould
Block control, which switches, to be shared on stitch to the drive module of corresponding scanning head.
6. OCT Multi probe automatic switchover system according to claim 1, which is characterized in that when scanning head is swept for galvanometer
When retouching probe and MEMS scanning head, the OCT Multi probe automatic switchover system includes that photoelectric mixed connector, OCT image are set
Standby, vibration mirror scanning probe and MEMS scanning head, main control chip, serial port module, digital-to-analogue conversion output module, relay module and
Galvanometer motor drive module is provided with fiber connector, scanning head type stitch and shared needle on photoelectric mixed connector
Foot, the vibration mirror scanning probe and MEMS scanning head are connect with photoelectric mixed connector, scanning head type stitch and master
Control chip connection, main control chip connect with serial port module, and main control chip is connect with digital-to-analogue conversion output module, main control chip and after
Electrical appliance module connection, serial port module are connect with OCT image equipment, and digital-to-analogue conversion output module and galvanometer motor drive module connect
It connects, digital-to-analogue conversion output module is connect with relay module, and relay module is connect with galvanometer motor drive module, relay mould
Block is connect with shared stitch, and fiber connector is connect with OCT image equipment by optical fiber cable.
7. a kind of OCT Multi probe automatic switching method, which is characterized in that specifically includes the following steps:
S1: whether the level of the scanning head type stitch on detection photoelectric mixed connector changes；
S2: corresponding scanning head is output control signals to according to the multilevel type of scanning head type stitch, drives the scanning
Probe；
S3: the scanning head type currently connected is fed back to OCT image equipment；
S4: the scanning head type for waiting OCT image equipment query currently to connect；
S5: the scan command of OCT image equipment is received, scan command is sent to the scanning head currently connected.
8. OCT Multi probe automatic switching method according to claim 7, which is characterized in that when scanning head is swept for galvanometer
When retouching probe and MEMS scanning head, specifically includes the following steps:
S2: whether the level of main control chip detection scanning head type stitch changes, and s3 is gone to if level does not change, if level
All outputs that D/A converter module is then arranged in variation are 0 volt and go to s3；
S3: main control chip detects the level state of scanning head type stitch, and if low level, main control chip controls relay mould
Block makes the delivery outlet of galvanometer motor drive module be connected to shared stitch and goes to s4；If high level, main control chip control after
Electrical appliance module makes the delivery outlet of D/A converter module be directly connected to shared stitch and goes to s4；
S4: main control chip feeds back the scanning head type currently connected to OCT image equipment by serial port module and goes to s5；
S5: main control chip waits the scanning head type that currently connects of OCT image equipment query and goes to s6；
S6: the scan command of the OCT image equipment to be received such as main control chip, and the scan command received is sent to and is currently connected
The scanning head connect, and go to s2.
9. OCT Multi probe automatic switching method according to claim 7, which is characterized in that further include s1 before s2: on
Establish machine by cable, main control chip initialization, all outputs that D/A converter module is arranged are 0 volt, control relay module, turn digital-to-analogue
The delivery outlet of mold changing block is directly connected to shared stitch, goes to s2.
10. OCT Multi probe automatic switchover system according to claim 7, which is characterized in that in the s6, main control chip
Etc. the scan command of OCT image equipment to be received, and the scan command received is sent to the scanning head currently connected: if
The scanning head currently connected is vibration mirror scanning probe, and main control chip controls two in D/A converter module according to scan command
Channel exports two-way and scans triangular wave to galvanometer motor drive module, while main control chip control relay module makes galvanometer motor
The output line of drive module is connected to the shared stitch on photoelectric mixed connector；If the scanning head currently connected is swept for MEMS
Retouch probe, four channels in main control chip control D/A converter module, which all exports, scans triangular wave to relay module, simultaneously
Main control chip control relay module is directly connected to the four-way signal of D/A converter module on photoelectric mixed connector
Share stitch.
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Denomination of invention: An OCT multi probe automatic switching system and method Effective date of registration: 20231013 Granted publication date: 20220426 Pledgee: Shanghai Pudong Development Bank Co.,Ltd. Foshan Branch Pledgor: Foshan Light Micro Technology Co.,Ltd. Registration number: Y2023980061066 |