CN208799588U - Fluid driving equipment - Google Patents
Fluid driving equipment Download PDFInfo
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- CN208799588U CN208799588U CN201721158549.9U CN201721158549U CN208799588U CN 208799588 U CN208799588 U CN 208799588U CN 201721158549 U CN201721158549 U CN 201721158549U CN 208799588 U CN208799588 U CN 208799588U
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Abstract
The utility model provides a kind of fluid driving equipment, comprising: for providing the pipe flow system of fluid flow passages；Dynamical system, the dynamical system are provided as fluid and flow in and out offer power from pipe flow system；And control system, the control system are configured to control the running of fluid driving equipment.This fluid driving equipment of the utility model can provide periodic pulsating fluid, can detect and control the pressure and temperature of fluid, can simulate heart, can simulate the damping of artery and vein, and compact-sized, highly-safe, movement easy to carry.
Description
Technical field
The utility model relates to a kind of mechanical electronic equipments for medical field, can mention more specifically to one kind
For the portable fluid driving equipment of periodic pulsating fluid.
Background technique
In the prior art, in medical field, the fluid driving equipment that can produce periodic pulsating fluid has been had already appeared,
To simulate artificial heart etc., for clinician, medical device product R & D Enterprises etc. be used to simulated instrument clinical use environment,
Carry out the test of medical instrument or for school instruction demonstration etc..But the fluid in the prior art for simulating heart drives
Dynamic equipment is big multi-functional simple, can not accurate simulation human heart physiological condition (for example it is difficult to more accurate simulation heart
Contraction and diastole, heart rate and cardiac output etc., perhaps simulate blood temperature and pressure) or volume it is larger, be not easy to take
Band is mobile.
Utility model content
In view of problem possessed by previous fluid driving equipment, the utility model aim is to provide a kind of structure tight
It gathers and the fluid driving equipment of Pulsating Flow can be provided as needed well.
To achieve the goals above, the utility model provides a kind of fluid driving equipment, comprising: pipe flow system, it is described
Pipe flow system is for providing fluid flow passages；Dynamical system, the dynamical system are provided as fluid and flow into from pipe flow system
Power is provided with outflow；And control system, the control system are configured to the progress of the running to the fluid driving equipment
Control.
In some embodiments, which further includes pedestal, wherein the pipe flow system is formed in described
In pedestal, on the base, the control system support is on the base and positioned at described dynamic for the dynamical system support
The top of Force system.
In some embodiments, the pipe flow system include inner cavity made of being limited by the inner space of the pedestal,
It controls fluid flow into the inflow valve of the inner cavity, control fluid flow out the outflow valve of the inner cavity.The inflow valve and
The outflow valve is one-way cock.For example, the one-way cock includes valve body, along fluid flow direction is set to institute
It states the cage seat of valve body and is set to moveable sphere in the cage seat, the valve body has fluid channel,
The sphere is arranged to by moving in the cage seat to block or open the fluid channel.The valve body can be by
Soft material is formed.
In some embodiments, the fluid driving equipment further includes accumulator, the accumulator and pipe stream system
The inner cavity of system is connected, and flows and adjust the pressure difference between fluid maximum pressure and minimum pressure for buffer fluid.
In some embodiments, the dynamical system includes: the shell being connected to the top of the inner cavity；In the shell
The piston that can be moved along the vertical direction in vivo；And for driving piston to move along the vertical direction above the shell
Driving mechanism.For example, the driving mechanism is selected from: linear motor, cylinder, solenoid valve and reciprocating machine structure.
In some embodiments, the dynamical system includes: the shell being connected to the top of the inner cavity；And and shell
The deformable elastomer that body is connected is provided in the shell and deforms to provide power.
In some embodiments, the fluid driving equipment further includes pressure sensor, the pressure sensor setting
At the pressure for detecting the fluid in the pipe flow system.The set-up of control system is at being detected based on the pressure sensor
The pressure of the fluid controls the pressure of the fluid in the pipe flow system.
In some embodiments, the fluid driving equipment further includes flow sensor, the flow sensor setting
The flow of the fluid of the pipe flow system is flowed at detection.The set-up of control system is detected at based on the flow sensor
The fluid flow come control into the pipe flow system fluid flow.
In some embodiments, the fluid driving equipment further includes the heating group being connected with the pipe flow system
Part, the heating component are used to heat the fluid temperature (F.T.) in the pipe flow system.
In some embodiments, the fluid driving equipment further includes temperature sensor, the temperature sensor setting
At the temperature for detecting the fluid in the pipe flow system.The control system is also configured to the detection according to the temperature sensor
As a result the heating component is controlled.
In some embodiments, the inflow valve is connected with flow ipe, the outflow valve and outflow pipeline
It is connected, the flow ipe is provided with flow control valve, for controlling the flow and pressure of the fluid of incoming fluid driving equipment
Power.
In some embodiments, the fluid driving equipment further includes touch display screen, is electrically connected with the control system
It connects, the temperature and pressure detected for input control order and the display pressure sensor and the temperature sensor.
In some embodiments, when the control system is also configured to detect in the pipe flow system without fluid, stop
The only dynamical system and the heating component.
In some embodiments, the fluid driving equipment further includes top plate, is formed as at the top of the control system
The top plate.Handle is provided on the top plate.
The utility model has following advantageous effects compared with the existing technology:
In the present invention, since pipe flow system being formed in pedestal, dynamical system support on the base, control
On the base and positioned at the top of dynamical system, whole equipment is an integral structure design for system support processed, is by control
System merges in the space of up-down structure with dynamical system, pipe flow system, and whole design framework is simple, compact-sized, greatly subtracts
Whole equipment instrument and weight, movement easy to carry are lacked.
Meanwhile by making the inner space of the pedestal limit the inner cavity into pipe flow system, bottom can be further decreased
The volume of seat.
Also, the use of control system the combination pressure sensor, temperature sensor and flow sensor of equipment, so that should
Equipment can preferably control pressure, temperature and the flow etc. of provided pulsating fluid, can when using as simulation heart
With the pressure and temperature of the fluid of the heart rate of more preferable simulation human body, cardiac output and output, heart simulation is better achieved
Effect.
In addition, user can be made more easily to realize the amplitude to motor, frequency by the setting of touch display screen
Control and control to accumulator, and the temperature, pressure, flow etc. for more intuitively observing fluid, make user more
Add temperature, pressure, the flow etc. for easily controlling fluid.
This fluid driving equipment of the utility model can generate periodic pulsating fluid, can control according to actual needs
Periodic flow, periodic pressure and the temperature of fluid, simulate the contraction and diastole of artificial heart, can be used for medicine religion
(such as simulating in operation), medical instrument test (such as test heart valve prosthesis), medical assistance are learned (to vascular system
The blood flow that fluctuation pressure and temperature are 37 ± 2 DEG C is provided) and other occasions for needing periodically pulsing fluid.
Detailed description of the invention
Fig. 1 is the schematic diagram according to a kind of fluid driving equipment of embodiment of the utility model；
Fig. 2 is the schematic diagram of the pipe flow system in Fig. 1；
Fig. 3 is the schematic diagram of the inflow valve in Fig. 2；
Fig. 4 is the schematic diagram of the outflow valve in Fig. 2；
Fig. 5 is the schematic diagram of the dynamical system in Fig. 1.
Fig. 6 is the schematic diagram of the accumulator in Fig. 1.
Specific embodiment
It is described in detail below in conjunction with various aspects of the drawings and specific embodiments to the utility model.Wherein, attached
Component in figure is not necessarily drawn to scale, and focuses on that the principles of the present invention are illustrated.
In the various embodiments of the utility model, well-known structure or material are not shown or do not make specifically
It is bright.Also, feature, structure or characteristic described in the utility model can in one or more embodiments group in any way
It closes.In addition, it will be appreciated by those skilled in the art that following various embodiments are served only for for example, not for limitation
The protection scope of the utility model.It can also be readily appreciated that, the component in each embodiment described herein and shown in the drawings can
To be arranged and be designed in a variety of different configurations or ratio.
Fig. 1 is the schematic diagram according to a kind of fluid driving equipment of embodiment of the utility model；Fig. 2 is the pipe in Fig. 1
The schematic diagram of streaming system；Fig. 3 is the schematic diagram of the inflow valve in Fig. 2；Fig. 4 is the schematic diagram of the outflow valve in Fig. 2；Fig. 5
It is the schematic diagram of the dynamical system in Fig. 1.
As shown in Figure 1, the fluid driving equipment of the utility model includes: pedestal, pipe flow system 1, dynamical system 2 and control
System 3, wherein pipe flow system 1 is formed in pedestal for providing fluid flow passages；Dynamical system 2 is supported on pedestal,
It is provided as fluid and flows in and out offer power from pipe flow system 1；Control system 3 is supported on pedestal and is located at dynamical system
The top of system 2, is mainly used for controling and monitoring the running of fluid driving equipment.
For example, the top of control system 3 can be formed as the top plate of equipment, handle can be set above top plate, for
User easily moves the fluid driving equipment.Dynamical system 2 is arranged between pipe flow system 1 and control system 3, passes through pressure
Height between draw streaming system 1 and control system 3 can further decrease the volume of equipment.In some embodiments, it moves
Force system 2 may also be arranged on the side of pipe flow system 1 or can be separately provided, and control system may also be arranged on pipe flow system 1
Side can be separately provided.
As shown in Fig. 2, the inner space of pipe flow system 1 including pedestal limit made of inner cavity 11, control fluid flow into
The inflow valve 12 of chamber and the outflow valve 13 for controlling fluid flow out inner cavity.Wherein, it flows into valve 12 and outflow valve 13 is
One-way cock, to ensure the one-way flow of fluid.In some embodiments, the inner cavity of pipe flow system can be by drawing from inside
Empty pedestal is to form, or can also increase pipeline in pedestal to form inner cavity.
Include valve body 12a, be set to the cage seat 12b of valve body and in cage as shown in figure 3, flowing into valve 12
Moveable sphere 12c, valve body are provided with fluid channel 12d so that fluid passes through, pass through sphere 12c and cage seat in seat
The cooperation of 12b, i.e. sphere 12c are moved in cage seat 12b, to block or open fluid channel 12d.Direction shown in arrow in figure
For fluid flow direction, cage seat is set to valve body along the flow direction of fluid and is used to limit moving for sphere 12c, ball
There is the opening 12e of fluid channel 12d on cage kep, the diameter of sphere 12c is greater than the diameter of opening 12e.As fluid flows into, sphere
The opening 12e of cage seat is pushed away to open fluid channel 12d, and it is reversed when, sphere can be compressed on opening 12e
And fluid channel 12d is blocked, therefore, fluid, which can only flow into, flows into valve 12, and can not reversely flow out.Cage seat 12b can be with
Valve body 12a is fixed on by screw 12f.Valve body 12a and its fluid channel 12d can be formed by soft material, such as
High molecular materials such as silica gel, rubber etc..
As shown in figure 4, outflow valve 13 includes valve body 13a, is set to the cage seat 13b of valve body and in cage
Moveable sphere 13c, valve body are provided with fluid channel 13d so that fluid passes through, pass through sphere 13c and cage seat in seat
The cooperation of 13b, i.e. sphere 13c are moved in cage seat 13b, to block or open fluid channel 13d.Direction shown in arrow in figure
For fluid flow direction, cage seat is set to valve body along the flow direction of fluid and is used to limit moving for sphere 13c, ball
There is the opening 13e of fluid communication channel 13d on cage kep, the diameter of sphere 13c is greater than the diameter of opening 13e.As fluid flows out,
Opening 13e that sphere is pushed away from cage seat to open fluid channel 13d, and it is reversed when, sphere can be compressed in and hold
Fluid channel 13d is blocked on mouth 13e, therefore, fluid can only be flowed out from outflow valve 13, and can not reversely be flowed into.Cage
Seat 13b can be fixed on valve body 13a by screw 13f.Valve body 13a and its fluid channel 13d can be by soft materials
It is formed, such as silica gel.Rubber, high molecular material etc..
As shown in Fig. 2, pipe flow system 1 can be with the external pipeline outside the pedestal, for example, with the stream that is arranged in outside pedestal
Enter pipeline 9a, outflow pipeline 9b is connected, wherein flow into valve 12 and be connected with flow ipe 9a (as shown in figure 3, flowing into valve
Door 12 can be connected by the fast interface 12g of valve with flow ipe 9a), outflow valve 13 is connected (such as with outflow pipeline 9b
Shown in Fig. 4, outflow valve 13 can be connected by the fast interface 13g of valve with outflow pipeline 9b), fluid passes through flow ipe 9a
Inner cavity 11 is flowed into valve 12 is flowed into, is flowed out by outflow valve 13 and outflow pipeline 9b from inner cavity 11.On flow ipe 9a also
Flow control valve 9c can be set, for controlling the relationship between the flow and pressure that flow into the fluid of equipment.
Fig. 5 is the schematic diagram of dynamical system 2.As shown in figure 5, dynamical system 2 includes the shell being connected to the top of inner cavity 11
Body, the piston 21 that can be moved along the vertical direction in shell and above shell for driving piston along the vertical direction
Mobile driving mechanism 22.
For example, shell can be in cylindrical shape, 21 bottom surface of piston movable within is in the plectane sealed, upper and lower
Projected area on direction is S, and driving mechanism 22 can be linear motor, and linear motor is connected with piston 21, drives piston
21 move up and down, and the downward displacement knots modification Δ L of the bottom surface plectane by controlling piston 21 can control fluid body in inner cavity 11
Product changes (S × Δ L), to control the amount (i.e. cardiac output) that fluid is flowed out from equipment, passes through control linear motor driving
The rate moved up and down can control the rate (i.e. heart rate) that fluid is flowed into, flowed out.In this way, dynamical system 2 can push fluid
It is flowed out from pipe flow system 1 and flows into and (flow out and flow into from equipment), to simulate the contraction and diastole of heart.
In some embodiments, linear motor could alternatively be other driving mechanisms that can move up and down such as cylinder,
It is also possible to other motors such as electromagnetic machine, solenoid valve, centrifugal pump or other reciprocating machine structures.Shell also not office
It is limited to cylindrical shape, any feasible shape such as cuboid etc. can be with.
In some embodiments, piston 21 and driving mechanism 22 could alternatively be deformable elastomer, such as sacculus,
It is deformed in shell by elastomer to control the change of the fluid volume in inner cavity 11, to provide power.
As shown in Figure 1, accumulator 8 is additionally provided between pipe flow system 1 and control system 3, in pipe flow system 1
Chamber is in fluid communication, for controlling fluid flow damping and adjusting the pressure difference between fluid maximum pressure and minimum pressure.
The structure of accumulator is as shown in fig. 6, it is cavity structure, including being used to form the accumulator shell 8a of cavity and setting
The valve 8b in case top is set, accommodates liquid and air in cavity, the volume ratio of liquid (for example, water) and air can lead to
Manual control valve 8b is crossed to be adjusted, which is used to adjust the difference between fluid maximum pressure and minimum pressure, and
The irregular variation for eliminating fluid is flowed with buffer fluid.
Running of the control system 3 for fluid driving equipment is controlled.For example, it can be electrically connected with dynamical system, example
Such as, control signal (such as voltage or electric current can be provided etc.) is provided to the driving mechanism of dynamical system (for example, linear motor),
So that dynamical system provides the power for making fluid flow into, flow out from pipe flow system.For example, control system can control linear motor
Rate travel and displacement knots modification, to simulate different heart rate and cardiac output.
As shown in Figure 1, fluid driving equipment further includes pressure sensor 4, it is arranged to detect the fluid in pipe flow system 1
Pressure.For example, pressure sensor 4 can be set at the inner cavity of pipe flow system and/or flow out at pipeline, with real-time detection inner cavity
Pressure in outflow pipeline, or also can be set in any desired place.Set-up of control system is at based on pressure sensing
The pressure for the fluid that device 4 detects controls the pressure of the fluid in pipe flow system.For example, control system can be dynamic by controlling
Force system controls Fluid pressure, or valve and outflow valve can be flowed by control to control Fluid pressure.
Fluid driving equipment further includes the heating component 5 being connected with pipe flow system, which is used for heating tube stream
Fluid temperature (F.T.) in system.Such as heating component 5 can be heating rod, be connected with inner cavity, and be electrically connected with control system
It connects, control system can provide control signal to heating component 5 to heat the component.
Fluid driving equipment may also include temperature sensor 6, be arranged to detect the temperature of the fluid in pipe flow system.Temperature
Sensor 6 can be set at the inner cavity of pipe flow system, with fluid temperature (F.T.) intracavitary in real-time detection, or also can be set
Any desired place.Control system 3 can control heating component 5 according to the testing result of temperature sensor, such as
When the temperature that temperature sensor detects is relatively low, control system control heating rod heats the fluid in inner cavity, will
Fluid maintains within the temperature range of setting.
Fluid driving equipment further includes flow sensor 9d, 9e, is arranged to the flow that detection flows into the fluid of pipe flow system.
Flow sensor can be separately positioned on flow ipe and outflow pipeline, also be can be set and flowed at valve and outflow valve,
The flow of the fluid of pipe flow system is flowed into real-time detection.Control system 3 can be based on the fluid that flow sensor detects
Flow controls the flow into the fluid of pipe flow system.For example, control system can by control dynamical system come control into
The fluid flow entered, or valve can be flowed by control to control the fluid flow of entrance, control flow can also be passed through
Control valve controls the fluid flow of entrance.
In some embodiments, when control system is also configured to detect in pipe flow system without fluid, stop dynamical system
System and heating component, to realize the self diagnosis and protection of simulation heart equipment.Optionally, fluid driving equipment may also include
Alarm device can provide alarm to user simultaneously when detecting in pipe flow system without fluid.
In some embodiments, fluid driving equipment further includes touch display screen 7, is electrically connected with control system 3, can
To be arranged on control system side wall.The touch display screen can show the power source design parameter of dynamical system, pressure sensing
The temperature and pressure etc. for the fluid that device and temperature sensor detect can also pass through control for the order of user's input control
System controls signal to offers such as dynamical system, heating components.In this way, the pressure of fluid can be monitored in real time using touch display screen
Power and temperature, it is convenient to use to judge whether to need to adjust pressure and temp, it can also more easily realize the control to dynamical system
System (such as amplitude, frequency etc. of control motor) adjusts control etc. to the temperature of fluid, to preferably carry out mould as needed
It is quasi-.
In some embodiments, control system can realize alone above-mentioned different function by a control device,
Above-mentioned different function can be realized by multiple control devices.For example, control system may include first control device, this first
Control device is arranged to the pressure of the fluid detected based on pressure sensor to control the pressure of the fluid in pipe flow system.Control
System processed may include second control device, which is arranged to the testing result according to temperature sensor to heating
Component is controlled.Control system may include third control device, which is arranged to based on flow sensor
The flow of the fluid detected controls the flow into the fluid of pipe flow system.Control system may include the 4th control dress
Set, when the 4th control device is arranged to detect in the pipe flow system without fluid, stop the dynamical system and it is described plus
For stopping dynamical system and heating component, the 4th control device can be also electrically connected to control offer police hot component with alarm device
Report.These control devices can integrate on a single die, or can be realized by multiple chips.
The utility model terminology used herein and wording are just to for example, be not intended to constitute restriction.
It will be appreciated by those skilled in the art that under the premise of not departing from the basic principle of disclosed embodiment, to above-mentioned implementation
Each details in mode can carry out various change.Therefore, the protection scope of the utility model is only determined by claim, in right
In it is required that, unless otherwise indicated, all terms should be understood by the broadest reasonable meaning.
Claims (20)
1. fluid driving equipment, which is characterized in that the fluid driving equipment includes:
Pipe flow system, the pipe flow system is for providing fluid flow passages；
Dynamical system, the dynamical system are provided as fluid and flow in and out offer power from pipe flow system；And
Control system, the control system are configured to control the running of the fluid driving equipment.
2. fluid driving equipment according to claim 1, which is characterized in that the fluid driving equipment further includes pedestal,
In, the pipe flow system is formed in the pedestal, and on the base, the control system supports for the dynamical system support
On the base and positioned at the top of the dynamical system.
3. fluid driving equipment according to claim 2, which is characterized in that the pipe flow system includes by the pedestal
Inner cavity made of inner space limits, controls fluid flow out the inner cavity at the inflow valve for controlling fluid flow into the inner cavity
Flow out valve.
4. fluid driving equipment according to claim 3, which is characterized in that the inflow valve and the outflow valve are equal
For one-way cock.
5. fluid driving equipment according to claim 4, which is characterized in that the one-way cock includes valve body, edge
Fluid flow direction is set to the cage seat of the valve body and is set to moveable sphere in the cage seat, the valve
Door body has fluid channel, and the sphere is arranged to logical to block or open the fluid by moving in the cage seat
Road.
6. fluid driving equipment according to claim 5, which is characterized in that the valve body is formed by soft material.
7. fluid driving equipment according to claim 3, which is characterized in that the fluid driving equipment further includes accumulation of energy
Device, the accumulator are connected with the inner cavity of the pipe flow system, for buffer fluid flow and adjust fluid maximum pressure and
Pressure difference between minimum pressure.
8. fluid driving equipment according to claim 3, which is characterized in that the dynamical system includes:
The shell being connected to the top of the inner cavity；
The piston that can be moved along the vertical direction in the shell；
Driving mechanism above the shell for driving piston to move along the vertical direction.
9. fluid driving equipment according to claim 8, which is characterized in that the driving mechanism is selected from: linear motor, gas
Cylinder, solenoid valve and reciprocating machine structure.
10. fluid driving equipment according to claim 3, which is characterized in that the dynamical system includes:
The shell being connected to the top of the inner cavity；And
The deformable elastomer being connected with the shell is provided in the shell and deforms to provide power.
11. fluid driving equipment according to claim 3, which is characterized in that the fluid driving equipment further includes pressure
Sensor, the pressure sensor are arranged to detect the pressure of the fluid in the pipe flow system.
12. fluid driving equipment according to claim 11, which is characterized in that the set-up of control system is at based on described
The pressure for the fluid that pressure sensor detects controls the pressure of the fluid in the pipe flow system.
13. fluid driving equipment according to claim 3, which is characterized in that the fluid driving equipment further includes flow
Sensor, the flow sensor are arranged to the flow that detection flows into the fluid of the pipe flow system.
14. fluid driving equipment according to claim 13, which is characterized in that the set-up of control system is at based on described
The flow for the fluid that flow sensor detects control into the pipe flow system fluid flow.
15. fluid driving equipment according to claim 11, which is characterized in that the fluid driving equipment further includes and institute
The heating component that pipe flow system is connected is stated, the heating component is used to heat the fluid temperature (F.T.) in the pipe flow system.
16. fluid driving equipment according to claim 15, which is characterized in that the fluid driving equipment further includes temperature
Sensor, the temperature sensor are arranged to detect the temperature of the fluid in the pipe flow system.
17. fluid driving equipment according to claim 16, which is characterized in that the control system is also configured to according to institute
The testing result for stating temperature sensor controls the heating component.
18. fluid driving equipment according to claim 3, which is characterized in that the inflow valve is connected with flow ipe
It connects, the outflow valve is connected with outflow pipeline, and the flow ipe is provided with flow control valve, for controlling incoming fluid
The flow and pressure of the fluid of driving equipment.
19. fluid driving equipment according to claim 16, which is characterized in that the fluid driving equipment further includes touching
Display screen is electrically connected with the control system, for input control order and shows that the pressure sensor and the temperature pass
The temperature and pressure that sensor detects.
20. fluid driving equipment according to claim 17, which is characterized in that the control system is also configured to detect
When in the pipe flow system without fluid, stop the dynamical system and the heating component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721158549.9U CN208799588U (en) | 2017-09-11 | 2017-09-11 | Fluid driving equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721158549.9U CN208799588U (en) | 2017-09-11 | 2017-09-11 | Fluid driving equipment |
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| Publication Number | Publication Date |
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| CN208799588U true CN208799588U (en) | 2019-04-30 |
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| CN201721158549.9U Active CN208799588U (en) | 2017-09-11 | 2017-09-11 | Fluid driving equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111899599A (en) * | 2019-08-22 | 2020-11-06 | 王晨曦 | Flight simulator 3DOF cockpit |
-
2017
- 2017-09-11 CN CN201721158549.9U patent/CN208799588U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111899599A (en) * | 2019-08-22 | 2020-11-06 | 王晨曦 | Flight simulator 3DOF cockpit |
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