CN209004047U - Doppler ultrasonic diagnosis apparatus blood flow waveform die body - Google Patents
Doppler ultrasonic diagnosis apparatus blood flow waveform die body Download PDFInfo
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- CN209004047U CN209004047U CN201821062526.2U CN201821062526U CN209004047U CN 209004047 U CN209004047 U CN 209004047U CN 201821062526 U CN201821062526 U CN 201821062526U CN 209004047 U CN209004047 U CN 209004047U
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Abstract
The utility model discloses a kind of Doppler ultrasonic diagnosis apparatus blood flow waveform die bodys, including portable control case and imitative blood flow waveform die body, portable control case includes outer case, man-machine interaction interface, main control board, power supply line and transmission line, main control board is set in outer case, man-machine interaction interface is set in outer case, and power supply line connects imitative blood flow waveform die body for portable control case with transmission line；Imitative blood flow waveform die body includes that liquid environment simulated slot, blood flow waveform simulation mechanism, blood flow waveform cybernetic model structure and Doppler ultrasonic diagnosis apparatus probe fixed mechanism, blood flow waveform simulation mechanism are arranged in liquid environment simulated slot；Blood flow waveform cybernetic model structure is used to control the rotation of rotation pulley；The main control board is used to send control signal to blood flow waveform cybernetic model structure；Human bloodstream change in flow can accurately be reappeared, calibrating, calibration and the test applied to the measuring blood flow rate device based on principle of Doppler.
Description
Technical field
The utility model relates to acoustic metrology technical field more particularly to a kind of Doppler ultrasonic diagnosis apparatus blood flow waveform moulds
Body and calibration method.
Background technique
Ultrasound medicine diagnosis because its safety, no pain, harmless, method is easy, adaptation is wide, it is intuitive, flexible and
The advantages that inexpensive, has become the one preferred technique in contemporary medical science diagnostic imaging.For guarantee medical supersonic equipment using safe,
Ensure the health of patient, medical supersonic source is included in compulsory verification catalogue by " measurement Law ".Country's publication in 2013 implements
JJF1438-2013 " colorful Doppler ultrasound diagnostic apparatus -- blood flow measurement partial collimation specification " calibrating standard is surveyed for color ultrasound blood flow
The calibration of amount part provides foundation.
Currently, existing calibration phantom mostly uses suspended particulate fluid to simulate blood flow, the flowmeter used is controlled
Precision, flowmeter precision itself is relatively low, and performance can change over time and more influence its precision.
Utility model content
It is how general the purpose of the utility model is to provide a kind of Doppler ultrasonic diagnosis apparatus blood flow waveform die body and calibration method
Strangling physiology waveform die body is a kind of high-precision blood flow velocity real-time simulator, accurate to reappear human bloodstream change in flow.Mainly
Calibrating, calibration and test applied to the measuring blood flow rate device based on principle of Doppler.
The technical solution adopted in the utility model are as follows:
A kind of Doppler ultrasonic diagnosis apparatus blood flow waveform die body, including portable control case and imitative blood flow waveform die body, just
The formula control cabinet of taking includes outer case, man-machine interaction interface, main control board, power supply line and transmission line, and main control board is set to outer
In cabinet, man-machine interaction interface is set in outer case, and power supply line connects imitative blood flow waveform for portable control case with transmission line
Die body；The imitative blood flow waveform die body includes liquid environment simulated slot, blood flow waveform simulation mechanism, blood flow waveform simulation control
Mechanism and Doppler ultrasonic diagnosis apparatus probe fixed mechanism, blood flow waveform simulation mechanism are arranged in liquid environment simulated slot, blood
Flowing waveform modelling mechanism includes rotation pulley, string and regulation wheel assembly, and the beginning of string is successively wrapped on rotation pulley, adjusts
It controls on wheel assembly, is fixed with end form annular closed string later, plane where string and Doppler ultrasonic diagnosis apparatus are popped one's head in
Between the angle that is formed be 30 °；Blood flow waveform cybernetic model structure is used to control the rotation of rotation pulley；The governor circuit
Plate is used to send control signal to blood flow waveform cybernetic model structure.
The main control board is equipped with main controller, wireless communication module, input display module and step motor control
Sequencer, the receiving end of the control signal output connection step motor control sequencer of main controller, stepper motor
The receiving end of the output end connection driver of control sequence generator, the first communication ends connection input display module of main controller,
Second communication ends of main controller connect wireless communication module.
The blood flow waveform cybernetic model structure includes stepper motor, driver and encoder, blood flow waveform simulation control
Mechanism processed is arranged outside liquid environment simulated slot, and the output shaft of stepper motor protrudes into slot horizontal through cell wall, stepper motor
Output shaft and rotation pulley rigid connection, the driving end of the signal output end connection stepper motor of driver, the signal of driver
Receiving end connects main control board with transmission line by power supply line, and encoder is set on stepper motor, and the signal of encoder exports
The signal feedback reception end of end connection main control board.
The blood flow waveform simulation mechanism further includes the guide wheel assembly of a pair of setting arranged in parallel, i.e., left guide wheel assembly and
Right guide wheel assembly, left guide wheel assembly include left wheel, revolver connecting rod and left mounting blocks, and left mounting blocks are fixed on liquid environment mould
The inner wall of quasi- slot, left wheel are fixed by revolver connecting rod and left mounting blocks；Right guide wheel assembly is identical as left guide wheel assembly structure,
And it is symmetrical arranged.
The regulation wheel assembly includes that the inclined pedestal in a upper surface, adjustment seat, limit button and retraction wheel, pedestal are set
In on the bottom surface of liquid environment simulated slot, the lower end surface of adjustment seat and the upper end face contact of pedestal, the upper surface of pedestal is equipped with
One limit hole, adjustment seat are equipped with a transparent bar shaped adjustment tank, and the lower end for limiting button is threaded through bar shaped adjustment tank
It is interior, and be spirally connected with limit hole, retraction wheel is arranged on the upper surface of adjustment seat.
The rear end face of rotation pulley in the blood flow waveform simulation mechanism is bonded with the inner wall of liquid environment simulated slot,
The lower section of rotation pulley is arranged in left guide wheel and right guide wheel, and plane where the edge groove of left guide wheel and right guide wheel and rotation pulley
Edge groove where plane be vertically arranged, the edge separation of left guide wheel and right guide wheel is less than the edge groove diameter of rotation pulley；
Annular closed string and the rotation upper end circular arc of pulley, the rear end circular arc of left guide wheel, the rear end circular arc of right guide wheel, retraction
The front end arc contact of wheel takes turns to the closure string of the part between left guide wheel and right guide wheel and liquid environment simulated slot by retraction
Bottom surface it is oblique.
The Doppler ultrasonic diagnosis apparatus probe fixed mechanism uses Multifunctional universal support.
Absorbent treatment is equipped on the bottom surface of the liquid environment simulated slot.
Doppler ultrasonic diagnosis apparatus blood flow waveform die body, further includes arc block water plate, and arc block water plate is set to rotation pulley
Top.
The main control board of the utility model is used to send control signal to blood flow waveform cybernetic model structure, passes through superelevation
The die body that precision motor and annular string detect doppler ultrasound.It is suitable for sampling volume registration, color superimposition is two-way
Resolution ratio and target velocity precision.Its working principle is that be used as target using movement closure string, provide one accurately,
Stable scatterer.String target utilizes photoelectric encoder and step motor control precision, and the performance of photoelectric encoder is not at any time
Between change, thus have accurate, stable characteristic.The movement velocity control precision of string target is high, energy converter and string target
Between angle can accurately measure, ensure that the accurate measurement of diasonograph blood flow measurement part.
Detailed description of the invention
Fig. 1 is the main view of the utility model；
Fig. 2 is the right view of the utility model；
Fig. 3 is the schematic block circuit diagram of the utility model.
Specific embodiment
As shown in Figure 1, Figure 2 and Figure 3, the utility model includes portable control case and imitative blood flow waveform die body, portable
Control cabinet includes outer case 1, man-machine interaction interface 2, main control board, power supply line 3 and transmission line 4, and main control board is set to outer
In cabinet 1, man-machine interaction interface 2 is set in outer case 1, and power supply line 3 connects imitative blood flow for portable control case with transmission line 4
Waveform die body；The imitative blood flow waveform die body includes liquid environment simulated slot 5, blood flow waveform simulation mechanism, blood flow waveform mould
Quasi- control mechanism and Doppler ultrasonic diagnosis apparatus probe fixed mechanism 7, the setting of blood flow waveform simulation mechanism are simulated in liquid environment
In slot 5, blood flow waveform simulation mechanism includes rotation pulley 8, string 9 and regulation wheel assembly, and the beginning of string 9 is successively wrapped in
Rotate on pulley 8, on regulation wheel assembly, later with end is fixed forms annular closed string 9,9 place plane of string with it is how general
Strangling the angle formed between ultrasonic diagnostic probe 6 is 30 °；Blood flow waveform cybernetic model structure is used to control rotation pulley 8
Rotation；The main control board is used to send control signal to blood flow waveform cybernetic model structure.
The main control board is equipped with main controller, wireless communication module, input display module and step motor control
Sequencer, the receiving end of the control signal output connection step motor control sequencer of main controller, stepper motor
The receiving end of the output end connection driver 11 of control sequence generator, the first communication ends connection input display mould of main controller
Second communication ends of block, main controller connect wireless communication module.
The blood flow waveform cybernetic model structure includes stepper motor 10, driver 11 and encoder, blood flow waveform mould
Quasi- control mechanism is arranged outside liquid environment simulated slot 5, and the output shaft of stepper motor 10 protrudes into slot horizontal through cell wall, stepping
The output shaft and rotation pulley 8 of motor 10 are rigidly connected, the driving end of the signal output end connection stepper motor 10 of driver 11,
The signal receiving end of driver 11 connects main control board by power supply line 3 and transmission line 4, and encoder is set to stepper motor 10
On, the signal feedback reception end of the signal output end connection main control board of encoder.
The blood flow waveform simulation mechanism further includes the guide wheel assembly of a pair of setting arranged in parallel, i.e., left guide wheel assembly and
Right guide wheel assembly, left guide wheel assembly include left wheel 121, revolver connecting rod and left mounting blocks 122, and left mounting blocks 122 are fixed on
The inner wall of liquid environment simulated slot 5, left wheel 121 are fixed by revolver connecting rod and left mounting blocks 122；Right guide wheel assembly and a left side
Guide wheel assembly structure is identical, and is symmetrical arranged.Right guide wheel assembly includes right wheel 131, right wheel connecting rod and right mounting blocks 132.
The regulation wheel assembly includes the inclined pedestal 14 in a upper surface, adjustment seat 15, limit button 16 and retraction wheel
17, pedestal 14 is set on the bottom surface of liquid environment simulated slot 5, the lower end surface of adjustment seat 15 and the upper end face contact of pedestal 14, bottom
The upper surface of seat 14 is equipped with a limit hole, and adjustment seat 15 is equipped with a transparent bar shaped adjustment tank 18, limits button
16 lower end is threaded through in bar shaped adjustment tank 18, and is spirally connected with limit hole, and retraction wheel 17 is arranged on the upper surface of adjustment seat 15.
The rear end face of rotation pulley 8 and the inner wall of liquid environment simulated slot 5 in the blood flow waveform simulation mechanism paste
It closes, the lower section for rotating pulley 8, and the edge groove of left guide wheel 121 and right guide wheel 131 institute is arranged in left guide wheel 121 and right guide wheel 131
It is vertically arranged in plane and plane where the edge groove of rotation pulley 8, the edge separation of left guide wheel 121 and right guide wheel 131 is small
In the edge groove diameter of rotation pulley 8；The rear end of the upper end circular arc of annular closed string 9 and rotation pulley 8, left guide wheel 121
The front end arc contact of portion's circular arc, the rear end circular arc of right guide wheel 131, retraction wheel 17, by retraction wheel 17 to left 121 He of guide wheel
Part closure string 9 and the bottom surface of liquid environment simulated slot 5 between right guide wheel 131 is oblique.
The Doppler ultrasonic diagnosis apparatus probe fixed mechanism 7 uses Multifunctional universal support.Liquid environment simulated slot 5
Bottom surface on be equipped with absorbent treatment 19.It further include arc block water plate 20, arc block water plate 20 is set to the top of rotation pulley 8.
With reference to the accompanying drawing explanation working principle of the utility model is:
The die body of the utility model is a set of to be detected by superhigh precision motor and annular string 9 to doppler ultrasound
Die body.It is suitable for sampling volume registration, color superimposition, two-way resolution ratio and target velocity precision.String die body is for examining
Survey color Doppler D type, the measurement accuracy of M type diasonograph blood flow measurement part.Its working principle is that being moved using one
It is closed string 9 and is used as target, an accurate, stable scatterer is provided.9 target of string utilizes photoelectric encoder and stepper motor
10 control precision, the performance of photoelectric encoder does not change over, thus has accurate, stable characteristic.The fortune of 9 target of string
Dynamic velocity control accuracy is high, and angle can be measured accurately between 9 target of energy converter and string, ensure that diasonograph blood flow measurement portion
The accurate measurement divided.
Doppler's physiology waveform die body is divided into the mode of traveling at the uniform speed, physiology waveform pattern and test waveform mode.At the uniform velocity transport
Row mode setting range is 10-200cm/s.At the uniform velocity for quickly detecting, it may be verified that the correctness of ultrasonic device image.Physiology
The waveform pattern intracorporal velocity perturbation of analog reality servant is to test ultrasonic device.Die body provides 9 kinds of physiology waveforms
With 7 kinds of test waveforms.
Physiology waveform has: adult arteria carotis, at Human Aortic, at human femoral artery, infant umbilici band, stenotic carotid artery, children
The arteria renalis, children's transcatheter arterial, children's mesencephalic arteries, children successively decrease thorax artery
Test waveform has:
Sine wave, velocity amplitude 100,150,200cm/s
Triangular wave, velocity amplitude 100,150,200cm/s
Gradient wave
Embodiment:
The utility model includes portable control case and imitative blood flow waveform die body, and portable control case includes outer case 1, people
Machine interactive interface 2, main control board, power supply line 3 and transmission line 4, main control board are set in outer case 1, man-machine interaction interface 2
Set on the front of outer case 1, the back side of outer case 1 is equipped with master switch, 3 jack of power supply line, 4 socket of transmission line and exchange power supply line
3, power supply line 3 connects imitative blood flow waveform die body for portable control case with transmission line 4；The side of outer case 1 is equipped with and conveniently takes
The handle of band.Man-machine interaction interface 2 uses color touch screen.For providing more intuitive human-computer interaction interface.It can be on screen
Display waveform, 9 speed of string help the information such as to illustrate.Main interface shows that three kinds of operating modes are selective after host booting: elected
Select when traveling at the uniform speed mode, interface presents: "+10 " key: current speed value increases 20cm/s；" -10 " key: current speed value subtracts
Few 20cm/s；"+1 " key: current speed value increases 1cm/s；" -1 " key: current speed value reduces 1cm/s；" reversion " key: by string
9 direction of motion of line is reversed；" RUN " key: string 9 starts currently to show that speed carries out constant motion；" stopping " key: string 9 stops
Only move；" exiting " key: exiting present mode, returns to main interface.Under uniform motion mode, " movement " button, string are pressed
9 setting in motion of line presses " stopping " button, 9 stop motion of string.It can by+10, -10 ,+1 and -1 button in halted state
Change initial velocity when string 9 starts.It can also be changed in real time by+10, -10 ,+1 and -1 button during the motion
Become 9 movement velocity of string.
When selecting physiological wave shape mode or test waveform mode, in such a mode, waveform can switch at any time.It is on interface
Existing " upper one " key: the upper waveform of selection；" next " key: next waveform is selected；" RUN " key: string 9 starts to transport
It is dynamic；" stopping " key: 9 stop motion of string；" reversion " key: turn to current string 9 reversely；" exiting " key: exiting present mode,
Return to main interface.
The imitative blood flow waveform die body includes liquid environment simulated slot 5, blood flow waveform simulation mechanism, blood flow waveform simulation
Control mechanism and Doppler ultrasonic diagnosis apparatus probe fixed mechanism 7, blood flow waveform simulation mechanism are arranged in liquid environment simulated slot 5
Interior, for liquid environment simulated slot 5 using the rectangular parallelepiped structure of upper end opening, the bottom of liquid environment simulated slot 5 is equipped with absorbent treatment
19, the extra ultrasonic wave of 6 transmitting of probe is absorbed, avoids interfering, influences calibration result.
Blood flow waveform simulation mechanism includes rotation pulley 8, string 9 and regulation wheel assembly, and further including that a pair is arranged in parallel sets
The guide wheel assembly set, i.e., left guide wheel assembly and right guide wheel assembly, left guide wheel assembly include left wheel 121, revolver connecting rod and a left side
Mounting blocks 122, left mounting blocks 122 are fixed on the inner wall of liquid environment simulated slot 5, and left wheel 121 passes through revolver connecting rod and a left side
Mounting blocks 122 are fixed；Right guide wheel assembly is identical as left guide wheel assembly structure, and is symmetrical arranged.Rotate the rear end face and liquid of pulley 8
The rear inner wall of body environmental simulation slot 5 is bonded, and the lower section for rotating pulley 8 is arranged in left guide wheel and right guide wheel, and left guide wheel and the right side are led
Plane where the edge groove of wheel is vertically arranged with plane where the edge groove of rotation pulley 8, the edge groove of left guide wheel and right guide wheel
Spacing is less than the edge groove diameter of rotation pulley 8.The regulation wheel assembly includes the inclined pedestal 14 in a upper surface, adjusts
Seat 15, limit button 16 and retraction wheel 17, pedestal 14 is set on the bottom surface of liquid environment simulated slot 5, and is simulated close to liquid environment
Longer distance can be reserved between the antetheca of slot 5, with rotation pulley 8, certain operating distance is reserved for string 9, facilitates school
It is quasi-.The upper surface of the lower end surface of adjustment seat 15 and the upper end face contact of pedestal 14, pedestal 14 is equipped with a limit hole, adjustment seat
15 be equipped with a transparent bar shaped adjustment tank 18, limit button 16 lower end be threaded through in bar shaped adjustment tank 18, and with limit
Position hole is spirally connected, and retraction wheel 17 is horizontally set on the upper surface of adjustment seat 15.The upper end of annular closed string 9 and rotation pulley 8
The front end arc contact of portion's circular arc, the rear end circular arc of left guide wheel, the rear end circular arc of right guide wheel, retraction wheel 17, by being retracted
Wheel 17 is closed string 9 to the part between left guide wheel and right guide wheel and the bottom surface of liquid environment simulated slot 5 is oblique.String 9
The angle formed between place plane and Doppler ultrasonic diagnosis apparatus probe 6 is 30 °, and angle is that 30 ° of purpose is to meet detection
It is required that；Blood flow waveform cybernetic model structure is used to control the rotation of rotation pulley 8.
The main control board is used to send control signal to blood flow waveform cybernetic model structure.It is set on main control board
There are main controller, wireless communication module, input display module and step motor control sequencer, the control signal of main controller defeated
Outlet connects the receiving end of step motor control sequencer, and the output end of step motor control sequencer connects driving
The receiving end of device 11, the first communication ends connection input display module of main controller, the second communication ends of main controller connect channel radio
Believe module.
Main controller uses high-performance 32-bit single-chip microcontroller, programmable to prefetch cache memory, to enhance in flash memory
Execution efficiency, main controller mainly realize user interface input and output, with the communication of host computer and setting motor
State.
Wireless communication module is the embedded module for meeting network standard based on Universal Serial Interface, can be realized user
Serial ports, Ethernet, the conversion between 3 interfaces of wireless network (WIFI).By the module, traditional serial equipment is not being needed more
It changes in the case where what configuration, the data of oneself can be transmitted by Internet network.Pass through net for the serial equipment of user
Network transmits data and provides complete quick solution.Device can be led to by wireless communication module and Transmission Control Protocol and computer
Letter, the remote network control of system can be easily achieved by the network programming of Transmission Control Protocol.
Step motor control sequencer is high speed processing unit, can be high-speed microprocessor, dsp processor or can compile
Journey logical device etc. has the device of fast computing function.Its function is to carry out calculation processing to blood flow waveform or waveform expression,
It converts thereof into stepper motor 10 and controls pulse train.The blood flow velocity data simulated as needed, can calculate output pulse
The time of sequence.
The blood flow waveform cybernetic model structure includes stepper motor 10, driver 11 and encoder, blood flow waveform mould
Quasi- control mechanism is arranged outside liquid environment simulated slot 5, and the output shaft of stepper motor 10 protrudes into slot horizontal through cell wall, stepping
The output shaft and rotation pulley 8 of motor 10 are rigidly connected, the driving end of the signal output end connection stepper motor 10 of driver 11,
The signal receiving end of driver 11 connects main control board by power supply line 3 and transmission line 4, and encoder is set to stepper motor 10
On, the signal feedback reception end of the signal output end connection main control board of encoder.
Stepper motor 10 is the opened loop control member stepper motor 10 that electric impulse signal is changed into angular displacement or displacement of the lines.
As soon as rotor turns over a fixed angle when an electric impulse signal is added on 10 stator winding of stepper motor by system.Motor turns
Speed, the position stopped being solely dependent upon the frequency and umber of pulse of pulse signal, without being influenced by load variation.Stepper motor 10 exists
The fixed angle rotated under one pulse is also the minimum rotation angle of motor.Pulse needed for 10 each rotation of stepper motor
Number can be changed by subdivision technology, and the multiple of subdivision is bigger, and the operation of stepper motor 10 is more steady, and noise also can be
Improve.But excessively high subdivision can slow down the velocity of rotation of motor, and subdivision multiple will be chosen according to the actual situation.
10 driver 11 of stepper motor gathers the inhibition of low speed middling speed anti-resonance vibration, internal fine point, parameter of electric machine self-identifying, from
Dynamic test etc., thoroughly improves the resonance characteristics of stepper drive, with the super steady, ultra-low noise of motor operation, ultra low temperature it is excellent
Point can bring the driving performance close to servo.Encoder uses photoelectric encoder, and photoelectric encoder is by angular displacement or displacement of the lines
It is changed into the open loop performer of electric impulse signal, it is applied in combination with stepper motor 10, just becomes a kind of closed-loop control system
System.Photoelectric encoder is feedback device, for eliminating step-out phenomenon of the motor under fast speed variation.
The Doppler ultrasonic diagnosis apparatus probe fixed mechanism 7 uses Multifunctional universal support, only need to meet and can press from both sides
Doppler ultrasonic diagnosis apparatus probe 6 is held, fixing end is mounted on liquid environment simulated slot 5, so that doppler ultrasound is examined
Disconnected instrument probe 6 can be rotated arbitrarily, be easily installed, dismantled, easy to use.
It further include arc block water plate 20, arc block water plate 20 is set to the top of rotation pulley 8.Due to rotation pulley 8 into
While row operating, closure string 9 is driven to operate, while being closed string 9 by operating upwards in liquid, carries liquid and fly
It splashes, is easy to make experiment table top dirty.The arc block water plate 20 can effectively block the liquid of splashing, Protection environment it is clean and tidy.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should manage
Solution: it can still modify to technical solution documented by previous embodiment, or to some or all of technologies
Feature is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and the utility model is real
Apply the range of a technical solution.
Claims (9)
1. a kind of Doppler ultrasonic diagnosis apparatus blood flow waveform die body, it is characterised in that: including portable control case and imitative blood flow wave
Shape die body, portable control case include outer case, man-machine interaction interface, main control board, power supply line and transmission line, governor circuit
Plate is set in outer case, and man-machine interaction interface is set in outer case, and power supply line connects with transmission line for portable control case imitative
Blood flow waveform die body；The imitative blood flow waveform die body includes liquid environment simulated slot, blood flow waveform simulation mechanism, blood flow waveform
Cybernetic model structure and Doppler ultrasonic diagnosis apparatus probe fixed mechanism, the setting of blood flow waveform simulation mechanism are simulated in liquid environment
In slot, blood flow waveform simulation mechanism includes that rotation pulley, string and regulation wheel assembly, the beginning of string are successively wrapped in rotation and slide
On wheel, on regulation wheel assembly, is fixed with end form annular closed string later, plane and ultrasonic doppler diagnostic where string
The angle formed between instrument probe is 30 °；Blood flow waveform cybernetic model structure is used to control the rotation of rotation pulley；The master
Circuit board is controlled to be used to send control signal to blood flow waveform cybernetic model structure.
2. Doppler ultrasonic diagnosis apparatus blood flow waveform die body according to claim 1, it is characterised in that: the master control electricity
Road plate is equipped with main controller, wireless communication module, input display module and step motor control sequencer, the control of main controller
The receiving end of signal output end connection step motor control sequencer processed, the output end of step motor control sequencer
Connect the receiving end of driver, the first communication ends connection input display module of main controller, the second communication ends connection of main controller
Wireless communication module.
3. Doppler ultrasonic diagnosis apparatus blood flow waveform die body according to claim 1, it is characterised in that: the blood flow wave
Shape cybernetic model structure includes stepper motor, driver and encoder, and blood flow waveform cybernetic model structure is arranged in liquid environment
Outside simulated slot, the output shaft of stepper motor protrudes into slot horizontal through cell wall, the output shaft and rotation pulley rigidity of stepper motor
Connection, the driving end of the signal output end connection stepper motor of driver, the signal receiving end of driver pass through power supply line and biography
Defeated line connects main control board, and encoder is set on stepper motor, the letter of the signal output end connection main control board of encoder
Number feedback reception end.
4. Doppler ultrasonic diagnosis apparatus blood flow waveform die body according to claim 1, it is characterised in that: the blood flow wave
Shape simulation mechanism further includes the guide wheel assembly of a pair of setting arranged in parallel, i.e., left guide wheel assembly and right guide wheel assembly, left guide wheel group
Part includes left wheel, revolver connecting rod and left mounting blocks, and left mounting blocks are fixed on the inner wall of liquid environment simulated slot, and left wheel is logical
Revolver connecting rod is crossed to fix with left mounting blocks；Right guide wheel assembly is identical as left guide wheel assembly structure, and is symmetrical arranged.
5. Doppler ultrasonic diagnosis apparatus blood flow waveform die body according to claim 4, it is characterised in that: the regulation wheel
Component includes that the inclined pedestal in a upper surface, adjustment seat, limit button and retraction wheel, pedestal are set to the bottom of liquid environment simulated slot
On face, the lower end surface of adjustment seat and the upper end face contact of pedestal, the upper surface of pedestal are equipped with a limit hole, set in adjustment seat
There is a transparent bar shaped adjustment tank, the lower end for limiting button is threaded through in bar shaped adjustment tank, and is spirally connected with limit hole, retraction
Wheel is arranged on the upper surface of adjustment seat.
6. Doppler ultrasonic diagnosis apparatus blood flow waveform die body according to claim 5, it is characterised in that: the blood flow wave
The rear end face of rotation pulley in shape simulation mechanism is bonded with the inner wall of liquid environment simulated slot, and left guide wheel and the setting of right guide wheel exist
The lower section of pulley is rotated, and plane where the edge groove of left guide wheel and right guide wheel is vertical with plane where the edge groove of rotation pulley
The edge separation of setting, left guide wheel and right guide wheel is less than the edge groove diameter of rotation pulley；Annular closed string and rotation are slided
The front end arc contact of the upper end circular arc of wheel, the rear end circular arc of left guide wheel, the rear end circular arc of right guide wheel, retraction wheel,
The bottom surface for taking turns to the part between left guide wheel and right guide wheel closure string and liquid environment simulated slot by retraction is oblique.
7. Doppler ultrasonic diagnosis apparatus blood flow waveform die body according to claim 1, it is characterised in that: the Doppler
Ultrasonic diagnostic probe fixed mechanism uses Multifunctional universal support.
8. Doppler ultrasonic diagnosis apparatus blood flow waveform die body according to claim 1, it is characterised in that: the Breakup of Liquid Ring
Absorbent treatment is equipped on the bottom surface of border simulated slot.
9. Doppler ultrasonic diagnosis apparatus blood flow waveform die body according to claim 1, it is characterised in that: further include arc gear
Water piece, arc block water plate are set to the top of rotation pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821062526.2U CN209004047U (en) | 2018-07-05 | 2018-07-05 | Doppler ultrasonic diagnosis apparatus blood flow waveform die body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821062526.2U CN209004047U (en) | 2018-07-05 | 2018-07-05 | Doppler ultrasonic diagnosis apparatus blood flow waveform die body |
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| CN209004047U true CN209004047U (en) | 2019-06-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108814649A (en) * | 2018-07-05 | 2018-11-16 | 河南省计量科学研究院 | Doppler ultrasonic diagnosis apparatus blood flow waveform die body and calibration method |
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2018
- 2018-07-05 CN CN201821062526.2U patent/CN209004047U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108814649A (en) * | 2018-07-05 | 2018-11-16 | 河南省计量科学研究院 | Doppler ultrasonic diagnosis apparatus blood flow waveform die body and calibration method |
| CN108814649B (en) * | 2018-07-05 | 2024-04-05 | 河南省计量测试科学研究院 | Doppler ultrasonic diagnostic apparatus blood flow waveform die body and calibration method |
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