CN106768627A - A kind of pressure simulation device for insertion type probe test - Google Patents
A kind of pressure simulation device for insertion type probe test Download PDFInfo
- Publication number
- CN106768627A CN106768627A CN201611104656.3A CN201611104656A CN106768627A CN 106768627 A CN106768627 A CN 106768627A CN 201611104656 A CN201611104656 A CN 201611104656A CN 106768627 A CN106768627 A CN 106768627A
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- Prior art keywords
- liquid
- insertion type
- type probe
- simulation device
- electric oscillation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L27/00—Testing or calibrating of apparatus for measuring fluid pressure
Abstract
A kind of pressure simulation device for insertion type probe test of the present invention, include liquid storage casing, the lower section of liquid storage casing at least side or bottom are provided with soft barrier film, electric oscillation module is configured outside soft barrier film, electric oscillation module is connected with signal generating module, casing is connected by joint with logical liquid flexible pipe, and logical liquid flexible pipe is connected with an elevating lever.The present invention changes the liquid level in device to simulate the static pressure signal of different amplitudes by elevating lever, electric oscillation module is driven to produce dynamic vibration using signal generating module, and the liquid medium in liquid reserve tank body passed to by soft barrier film simulate dynamic pressure, signal output bandwidth, the complexity dynamic pressure signal comprising multiple frequency contents can be simulated, more really simulate the physical stress signal under various states, setting structure advantages of simple of the present invention, stable and reliable working performance, low manufacture cost, the simulation test under the physical stress being pressed into point comprising different static pressures and dynamic can be carried out to intrusive pressure probe.
Description
Technical field
The present invention relates to a kind of pressure simulation device for insertion type probe test, belong to medicine equipment measuring technology neck
Domain.
Background technology
Pop one's head in be monitored the physiological parameter at each position of human body using insertion type and have become medical diagnosis on disease and control
The important means for the treatment of.For example, popped one's head in using intrusive pressure can be to the angiosthenia of human body, vein pressure, intracranial pressure, bladder pressure etc.
The physical stress at multiple positions carries out most real measurement, for the diagnosis and treatment of patient's state of an illness provide guidance.Inside of human body
Physical stress includes static pressure and dynamic two compositions of pressure.Due to the limitation of monitoring technology, people often only use static state in the past
Press to assess the physiological status of human body.And dynamic corrugating can help disclose more physiologic informations, with monitoring technology
Development, dynamic pressure monitoring gradually causes the attention of people.
Intrusive pressure probe can be monitored to static pressure and dynamic pressure simultaneously.For the survey of intrusive pressure probe
Examination assessment using a kind of, it is necessary to can simultaneously carry out the test device that physiology static pressure and dynamic pressing mold are intended.Chinese patent
CN103860156B discloses a kind of invasive blood pressure test hydraulic analog device, drives piston to simulate static pressure using motor
Power, drives catch bar then to promote liquid capsule film to simulate dynamic pressure using motor.This apparatus structure is complicated, and is filled using machinery
The dynamic pressure signal band for putting simulation is limited, it is difficult to the real dynamic pressure signal comprising multiple frequency contents of simulation.
The content of the invention
The technical problems to be solved by the invention are directed to deficiency a kind of structure setting of proposition that above-mentioned prior art is present
Advantages of simple, stable and reliable working performance, low manufacture cost, can simultaneously simulate static pressure and dynamic is pressed, and dynamic voltage-frequency band
Pressure simulation device for insertion type probe test wide.
The present invention is to solve the problems, such as that used technical scheme set forth above is：Liquid storage casing is included, its feature exists
In soft barrier film is provided with the lower section of liquid storage casing at least side or bottom, electric oscillation module, electric oscillation are configured outside soft barrier film
Module is connected with signal generating module, and casing is connected by joint with logical liquid flexible pipe, and logical liquid flexible pipe is connected with an elevating lever.
By such scheme, inlet is installed at the top of described liquid storage casing, liquid storage bottom half is installed on leakage fluid dram,
Install joint at the top of liquid storage casing to be connected with logical liquid flexible pipe one end, the other end of logical liquid flexible pipe is connected with elevating lever.
By such scheme, described electric oscillation module is installed in the external side of liquid reserve tank, and described soft barrier film is by electric oscillation mould
Block is isolated with the liquid in liquid reserve tank body, and the dynamic vibration of the electric oscillation module is delivered to in liquid reserve tank body
Liquid.
By such scheme, described signal generating module includes computer, analog output boardses and driving interface, output electricity
Drive signal drives electric oscillation module, and the liquid that the generation vibration of electric oscillation module is passed in liquid reserve tank body by soft barrier film is carried out
The simulation of dynamic pressure.
By such scheme, true dynamic physiology under described signal generating module output simulation health or morbid state
The electric drive signal of pressure waveform.Described signal generating module can also export sine wave, triangular wave, the square wave of CF
Deng signal normal period.
By such scheme, described electric oscillation module is loudspeaker, piezoelectric ceramics or other vibrations driven by electric signal
Device.
By such scheme, described soft barrier film is made up of silica gel, latex or other high polymer elastic diaphragm materials, described
Soft diaphragm seal sticks on electric oscillation Modular surface, or is solidify to form in electric oscillation Modular surface by liquid state colloid raw material.
By such scheme, liquid is housed in described logical liquid flexible pipe, by leading to the lifting of liquid flexible pipe elevating lever attachment end, changes
Become the liquid level of whole device, carry out different liquid static pressing molds and intend.
By such scheme, described the lateral of liquid storage casing is respectively arranged with test interface and referenced interface, described survey
Try mouth and described referenced interface is located at same level height.
By such scheme, the liquid in described liquid reserve tank body is pure water, physiological saline, silicone oil or other liquid mediums.
By such scheme, described elevating lever is manual lifting rod or electric lifting rod.
When the present invention is used, injected liquid into the cavity of liquid storage casing by the inlet, and it is soft by logical liquid
Pipe discharges air, by test interface test probe is inserted into liquid storage box house and is sealed, by reference probe by reference to
Interface is inserted into liquid storage box house and seals, and the probe header to be measured and the reference probe are closer to each other, and positioned at same
In individual level height.The reference probe is the probe demarcated, and is commented for the test result to the probe header to be measured
Valency, demarcation.
The beneficial effects of the present invention are：1st, the present invention changes the liquid level in device to simulate difference by elevating lever
The static pressure signal of amplitude, drives electric oscillation module to produce dynamic vibration, and transmitted by soft barrier film using signal generating module
Dynamic pressure is simulated to the liquid medium in liquid reserve tank body, it is to avoid use complicated mechanical transmission structure, signal output frequency band
Width, can simulate the complexity dynamic pressure signal comprising multiple frequency contents, more really simulate the physical stress under various states
Signal, and avoid because of the equipment life limitation problem that mechanical wear is brought.2nd, during present invention work, probe header to be measured is inserted directly into
To in hydraulic chamber, it is to avoid because the static pressure amplitude that calibration tape is drawn using conduit is inaccurate and dynamic presses asking for high frequency attenuation
Topic.Setting referenced interface installs reference probe can make test more accurate.3rd, setting structure advantages of simple of the present invention, service behaviour
Reliable and stable, low manufacture cost can carry out the physiology being pressed into point comprising different static pressures and dynamic to intrusive pressure probe
Simulation test under pressure.
Brief description of the drawings
Fig. 1 is the overall structure diagram of one embodiment of the invention.
Fig. 2 is that probe header to be measured and reference probe install vertical view section view in liquid reserve tank body in one embodiment of the invention
Figure.
Fig. 3 is the structured flowchart of signal generating module in one embodiment of the invention.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and detailed description.
Including Packed liquid storage casing 3, liquid storage casing is drum-shaped, is made of stainless steel, and liquid storage cabinets cavity is full of
Liquid, liquid is pure water, and the lower section side of liquid storage casing is provided with soft barrier film 6, and electric oscillation module 5 is configured outside soft barrier film,
Electric oscillation module is connected with signal generating module 4, and described electric oscillation module is installed in the external side of liquid reserve tank, described electric oscillation
Module is loudspeaker, and room temperature vulcanized silicone rubber is coated on loudspeaker vibrating diaphragm to make soft barrier film, and soft barrier film is by electric oscillation mould
Block is isolated with the liquid in liquid reserve tank body, and the dynamic vibration of the electric oscillation module is delivered to in liquid reserve tank body
Liquid.Described signal generating module includes computer, analog output boardses and driving interface, according to the dynamic pressure letter to be simulated
Number it is programmed on computers, sine wave signal can be write, the periodic signal of multi-frequency composition can be write, it is also possible to compile
Write the nonperiodic signal of certain time length.Analog output boardses are connected with computer, and the signal that will be write on computer is with voltage
Form is exported to driving interface, then drives electric oscillation module to produce vibration, vibration to be passed in hydraulic chamber by soft barrier film
Liquid medium.The present invention is very flexible to the simulation that all kinds are dynamically pressed.Signal generating module output electric drive signal drives
Dynamic electric oscillation module, electric oscillation module produces the liquid that vibration is passed in liquid reserve tank body by soft barrier film to enter the mould of Mobile state pressure
Intend.Inlet 7 is installed at the top of described liquid storage casing, liquid storage bottom half is installed on leakage fluid dram 8, the top of liquid storage casing
Install joint to be connected with logical one end of liquid flexible pipe 2, the other end of logical liquid flexible pipe is connected with elevating lever 1, described logical liquid flexible pipe
It is rubber tube, emulsion tube or silicone tube.Liquid is housed, the liquid communication with liquid storage casing passes through in described logical liquid flexible pipe
The lifting of logical liquid flexible pipe elevating lever attachment end, changes the liquid level of whole device, carries out different liquid static pressing molds and intends.Institute
The elevating lever stated is electric lifting rod.The both sides of described liquid storage casing are respectively arranged with test interface 10 and referenced interface 9, institute
The test interface stated and described referenced interface are located at same level height.Test probe 12 is inserted into by test interface
Liquid storage box house is simultaneously sealed, and by reference to interface reference probe 11 is inserted into liquid storage box house and is sealed, test interface
Can be by the way of axial compression seal radial sealing with the sealing at referenced interface, it is possible to further increased using silica gel
Plus sealing effectiveness.The probe header to be measured and reference probe are closer to each other, and in same level height.The reference is visited
Head is the probe demarcated, and is evaluated for the test result to test probe, demarcated.
Claims (10)
1. a kind of pressure simulation device for insertion type probe test, includes liquid storage casing, it is characterised in that in liquid reserve tank
The lower section of body at least side or bottom are provided with soft barrier film, and electric oscillation module, electric oscillation module and signal are configured outside soft barrier film
Generation module is connected, and casing is connected by joint with logical liquid flexible pipe, and logical liquid flexible pipe is connected with an elevating lever.
2. as described in claim 1 for insertion type probe test pressure simulation device, it is characterised in that described liquid storage
Inlet is installed at the top of casing, liquid storage bottom half is installed on leakage fluid dram, and joint is installed at the top of liquid storage casing with logical liquid
Flexible pipe one end is connected, and the other end of logical liquid flexible pipe is connected with elevating lever.
3. as described in claim 1 or 2 for insertion type probe test pressure simulation device, it is characterised in that described electricity
Vibration module is installed in the external side of liquid reserve tank, described soft barrier film by the liquid in electric oscillation module and liquid reserve tank body carry out every
From, and the dynamic vibration of the electric oscillation module is delivered to the liquid in liquid reserve tank body.
4. as described in claim 3 for insertion type probe test pressure simulation device, it is characterised in that described signal
Generation module includes computer, analog output boardses and driving interface, and output electric drive signal drives electric oscillation module, electric oscillation
Module produces the liquid that vibration is passed in liquid reserve tank body by soft barrier film to enter the simulation of Mobile state pressure.
5. as described in claim 3 for insertion type probe test pressure simulation device, it is characterised in that described signal
There is the electric drive signal that true dynamic physiology pressure waveform under health or morbid state is simulated in module output.
6. as described in claim 3 for insertion type probe test pressure simulation device, it is characterised in that described electricity shakes
Dynamic model block is loudspeaker or piezoelectric ceramics.
7. the pressure simulation device for insertion type probe test as described in claim 3, it is characterised in that it is described it is soft every
Film is made up of silica gel, latex or other high polymer elastic diaphragm materials, and described soft diaphragm seal sticks on electric oscillation module table
Face, or solidify to form in electric oscillation Modular surface by liquid state colloid raw material.
8. the pressure simulation device for insertion type probe test as described in claim 1 or 2, it is characterised in that described logical
Liquid is housed in liquid flexible pipe, by leading to the lifting of liquid flexible pipe elevating lever attachment end, changes the liquid level of whole device, carry out not
Same liquid static pressing mold is intended.
9. as described in claim 1 or 2 for insertion type probe test pressure simulation device, it is characterised in that described storage
The lateral of liquid case body is respectively arranged with test interface and referenced interface, and described test interface and described referenced interface are located at same
One level height.
10. as described in claim 1 for insertion type probe test pressure simulation device, it is characterised in that described liquid storage
Liquid in casing is pure water, physiological saline or silicone oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611104656.3A CN106768627B (en) | 2016-12-05 | 2016-12-05 | A kind of pressure simulation device for insertion type probe test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611104656.3A CN106768627B (en) | 2016-12-05 | 2016-12-05 | A kind of pressure simulation device for insertion type probe test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106768627A true CN106768627A (en) | 2017-05-31 |
| CN106768627B CN106768627B (en) | 2019-07-12 |
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| CN201611104656.3A Active CN106768627B (en) | 2016-12-05 | 2016-12-05 | A kind of pressure simulation device for insertion type probe test |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6508112B1 (en) * | 2000-01-21 | 2003-01-21 | Dean Verhoeven | Tomographic spray momentum mapping system |
| CN201069407Y (en) * | 2007-08-20 | 2008-06-04 | 北京康斯特仪表科技有限公司 | Self-balance micro-pressure generator |
| CN202002772U (en) * | 2011-02-21 | 2011-10-05 | 江苏杰克仪表有限公司 | Portable pressure calibrator |
| CN202235333U (en) * | 2011-09-06 | 2012-05-30 | 上海道生医疗科技有限公司 | Pulse-power pulse-rate simulation device for pulse pressure sensor |
| CN103349545A (en) * | 2013-05-21 | 2013-10-16 | 深圳市理邦精密仪器股份有限公司 | Device and method for simulating invasive blood pressure |
| CN103860156A (en) * | 2014-04-01 | 2014-06-18 | 深圳市一测医疗测试技术有限公司 | Hydraulic analog device for invasive blood pressure test |
| CN104748794A (en) * | 2015-03-23 | 2015-07-01 | 桂林电子科技大学 | System for measuring and transmitting data in closed system |
-
2016
- 2016-12-05 CN CN201611104656.3A patent/CN106768627B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6508112B1 (en) * | 2000-01-21 | 2003-01-21 | Dean Verhoeven | Tomographic spray momentum mapping system |
| CN201069407Y (en) * | 2007-08-20 | 2008-06-04 | 北京康斯特仪表科技有限公司 | Self-balance micro-pressure generator |
| CN202002772U (en) * | 2011-02-21 | 2011-10-05 | 江苏杰克仪表有限公司 | Portable pressure calibrator |
| CN202235333U (en) * | 2011-09-06 | 2012-05-30 | 上海道生医疗科技有限公司 | Pulse-power pulse-rate simulation device for pulse pressure sensor |
| CN103349545A (en) * | 2013-05-21 | 2013-10-16 | 深圳市理邦精密仪器股份有限公司 | Device and method for simulating invasive blood pressure |
| CN103860156A (en) * | 2014-04-01 | 2014-06-18 | 深圳市一测医疗测试技术有限公司 | Hydraulic analog device for invasive blood pressure test |
| CN104748794A (en) * | 2015-03-23 | 2015-07-01 | 桂林电子科技大学 | System for measuring and transmitting data in closed system |
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| Publication number | Publication date |
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| CN106768627B (en) | 2019-07-12 |
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Effective date of registration: 20200120 Address after: 515041 No. 15 east science and technology road, hi tech Zone, Guangdong, Shantou Patentee after: Shantou Hi-Tech Zone Austrian Star Communications Equipment Co., Ltd. Address before: 430073 No. 9 Optics Valley Avenue, East Lake New Technology Development Zone, Wuhan, Hubei Patentee before: Yangtze Optical Fibre and Cable Co., Ltd |