CN108185985A - A kind of noninvasive eye socket pressure measures double protecting device and guard method - Google Patents
A kind of noninvasive eye socket pressure measures double protecting device and guard method Download PDFInfo
- Publication number
- CN108185985A CN108185985A CN201810086118.9A CN201810086118A CN108185985A CN 108185985 A CN108185985 A CN 108185985A CN 201810086118 A CN201810086118 A CN 201810086118A CN 108185985 A CN108185985 A CN 108185985A
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- Prior art keywords
- pressure
- amplification circuit
- air valve
- circuit module
- threshold
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- 210000004279 orbit Anatomy 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000003321 amplification Effects 0.000 claims abstract description 49
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 49
- 238000009530 blood pressure measurement Methods 0.000 claims abstract description 32
- 238000001514 detection method Methods 0.000 claims abstract description 5
- 238000010586 diagram Methods 0.000 description 6
- 210000005252 bulbus oculi Anatomy 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 4
- 210000001508 eye Anatomy 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 206010020852 Hypertonia Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/16—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for measuring intraocular pressure, e.g. tonometers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/0016—Operational features thereof
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Eye Examination Apparatus (AREA)
Abstract
The invention discloses a kind of noninvasive eye socket pressures to measure double protecting device and guard method, device includes microprocessor module, pressure amplification circuit module, pressure sensor, pressure measurement cylinder, air pump, air valve and pressure measurement bolt, microprocessor module, pressure amplification circuit module and pressure sensor are sequentially connected, microprocessor module respectively with air pump, air valve is connected, pressure sensor, pressure measurement cylinder, air pump, air valve is connected with pressure measurement bolt by gas circuit, first threshold is provided in microprocessor module, once the pressure signal of pressure amplification circuit module input is more than first threshold, then microprocessor module controls air pump to be stopped and opens air valve.Present invention setting two-way independent pressure detection device, in the case where device for pressure measurement all the way fails, second road device for pressure measurement can intervene work, the probability that may be injured in the case where gas pressure is excessive to human eye is thus substantially reduced, improves the safety of intelligent non-invasive orbitonometer.
Description
Technical field
The present invention relates to medical detection technologies, and in particular to a kind of noninvasive eye socket pressure measures double protecting device and guarantor
Maintaining method.
Background technology
Traditional noninvasive direct contact type eye orbitonometer, needs manual adjustment measuring table to be allowed to be aligned with eyeball and needs
Measured value is read by pressure gage (or dial), socket of the eye pressure value is then conversed by conversion table, so operation is compared when measuring
It is cumbersome, reading is inconvenient.The medical staff for generally requiring profession could operate, and a large amount of human and material resources are lost in this way, survey simultaneously
The error of magnitude is larger.It is put down as shown in Figure 1, intelligent non-invasive orbitonometer controls stepper motor by microcontroller to adjust to measure
Platform is made pressure measurement bolt be directed at eyeball, and eyeball is pushed with constant power, and operating process is simple and fast；It is passed again by pressure
Eye socket pressure signal is become electric signal by sensor, after filtered, amplification, is input in microcontroller by data processing, is finally existed
The value of eye socket pressure, the person's of being conveniently operated reading are directly displayed on display screen；After being measured, system controls electricity by microcontroller
Machine retreats pressure measurement bolt, retracts initial position；For use next time.The intelligent non-invasive orbitonometer of the prior art is without overvoltage
Protective device, once gas pressure is excessively high may to injure eyeball, therefore urgently improve.
Invention content
The technical problem to be solved in the present invention is, in view of the deficiencies of the prior art, provides a kind of noninvasive eye socket pressure and measures
Double protecting device and guard method, overcoming the intelligent non-invasive orbitonometer of the prior art does not have over-pressure safety device, once gas
Body hypertonia may injure the defects of eyeball.
The used to solve above-mentioned technical problem technical solution of the present invention is：
A kind of noninvasive eye socket pressure measures double protecting device, including microprocessor module, pressure amplification circuit module, pressure
Sensor, pressure measurement cylinder, air pump, air valve and pressure measurement bolt, the microprocessor module, the pressure amplification circuit module and the pressure
Force snesor is sequentially connected, and the microprocessor module is connected respectively with the air pump, the air valve, the pressure sensor,
The pressure measurement cylinder, the air pump, the air valve are connected with the pressure measurement bolt by gas circuit, are provided in the microprocessor module
First threshold, once the pressure signal of pressure amplification circuit module input is more than first threshold, then the microprocessor mould
Block controls the air pump to be stopped and opens the air valve.
According to a particular embodiment of the invention, second pressure amplification circuit module, second pressure sensor and are further included
Two air valves, second pressure sensor, second pressure amplification circuit module and the second air valve are sequentially connected, the second air valve and the second pressure
Force snesor, the pressure measurement cylinder, the air pump are connected with the pressure measurement bolt by gas circuit, pass through second pressure amplification circuit module
Voltage threshold is set, once the pressure signal of second pressure amplification circuit module detection is more than voltage threshold, then second pressure is put
Big circuit module opens the second air valve.
According to a particular embodiment of the invention, the voltage threshold is more than the voltage signal for determining first threshold.
A kind of noninvasive eye socket pressure measures double protection method, including step：
A1, first threshold is set in microprocessor module；
The pressure signal that A2, pressure amplification circuit module are input to the microprocessor module is more than first threshold；
A3, microprocessor module output control signal make air pump be stopped；
A4, microprocessor module output control signal, open air valve.
According to a particular embodiment of the invention, including step：
B1, second pressure amplification circuit module setting voltage threshold；
The pressure signal that B2, second pressure amplification circuit module detect is more than voltage threshold；
B3, second pressure amplification circuit module open the second air valve.
According to a particular embodiment of the invention, the voltage threshold is more than the voltage signal for determining first threshold.
Implement technical scheme of the present invention, have the advantages that：Present invention setting two-way pressure-detecting device, one
In the case of the device for pressure measurement failure of road, the second road device for pressure measurement can intervene work, thus substantially reduce in gas
The probability that may be injured in the case that body pressure is excessive to human eye, improves the safety of intelligent non-invasive orbitonometer.
Description of the drawings
The present invention is specifically described below with reference to attached drawing and with reference to example, advantages of the present invention and realization method will
More obvious, wherein content is only used for explanation of the present invention shown in attached drawing, without forming to the present invention in all senses
On limitation, in the accompanying drawings：
Fig. 1 presses measuring instrument module diagram for prior art eye socket；
Fig. 2 measures double protecting device schematic diagram for the noninvasive eye socket pressure of the present invention；
Fig. 3 measures double protecting device microprocessor schematic diagram for the noninvasive eye socket pressure of the present invention；
Fig. 4 measures double protecting device pressure amplifying circuit schematic diagram for the noninvasive eye socket pressure of the present invention；
Fig. 5 measures double protecting device independent pressure amplifying circuit schematic diagram for the noninvasive eye socket pressure of the present invention；
Fig. 6 measures double protecting device adjustable voltage circuit schematic diagram for the noninvasive eye socket pressure of the present invention；
Fig. 7 measures double protecting device air pump and air valve control circuit figure for the noninvasive eye socket pressure of the present invention；
Fig. 8 measures double protection method flow chart for the noninvasive eye socket pressure of the present invention.
Specific embodiment
As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, the noninvasive eye socket pressure of the present invention measures double protecting device, including
Microprocessor module, pressure amplification circuit module, pressure sensor, pressure measurement cylinder, air pump, air valve and pressure measurement bolt, microprocessor mould
Block, pressure amplification circuit module and pressure sensor are sequentially connected, and microprocessor module is connected respectively with air pump, air valve, pressure
Sensor, pressure measurement cylinder, air pump, air valve and pressure measurement bolt are connected by gas circuit, and first threshold is provided in microprocessor module, once
The pressure signal of pressure amplification circuit module input is more than first threshold, then microprocessor module control air pump is stopped and beats
Open air valve.According to a particular embodiment of the invention, a kind of noninvasive eye socket pressure measures double protecting device, including microprocessor mould
Block, pressure amplification circuit module, pressure sensor, pressure measurement cylinder, air pump, air valve and pressure measurement bolt, microprocessor module, pressure amplification
Circuit module and pressure sensor are sequentially connected, and microprocessor module is connected respectively with air pump, air valve, pressure sensor, pressure measurement
Cylinder, air pump, air valve and pressure measurement bolt are connected by gas circuit, and first threshold is provided in microprocessor module, once pressure amplification electricity
The pressure signal of road module input is more than first threshold, then microprocessor module controls air pump to be stopped and opens air valve.Root
According to specific embodiments of the present invention, second pressure amplification circuit module, second pressure sensor and the second air valve are further included, second
Pressure sensor, second pressure amplification circuit module and the second air valve are sequentially connected, the second air valve and second pressure sensor, survey
Pressure cylinder, air pump and pressure measurement bolt are connected by gas circuit, and voltage threshold is set by second pressure amplification circuit module, once the second pressure
The pressure signal of power amplification circuit module detection is more than voltage threshold, then second pressure amplification circuit module opens the second air valve.
Voltage threshold is more than the voltage signal for determining first threshold.
As shown in figure 8, the noninvasive eye socket pressure of the present invention measures double protection method, including step：
A1, first threshold is set in microprocessor module；
The pressure signal that A2, pressure amplification circuit module are input to microprocessor module is more than first threshold；
A3, microprocessor module output control signal make air pump be stopped；
A4, microprocessor module output control signal, open air valve.
According to a particular embodiment of the invention, step is further included：
B1, second pressure amplification circuit module setting voltage threshold；
The pressure signal that B2, second pressure amplification circuit module detect is more than voltage threshold；
B3, second pressure amplification circuit module open the second air valve.
Voltage threshold is more than the voltage signal for determining first threshold.
As shown in Fig. 2, the noninvasive eye socket pressure of the present invention measures duplicate protection and includes pressure amplification circuit module and independent pressure
Amplification circuit module, two-way pressure measurement circuitry, two-way valve, wherein pressure amplification circuit module output amplification pressure signal arrive
Microprocessor；Microprocessor connects air pump and air valve, and independent amplification circuit module connects independent air valve.
As shown in figure 3, in figure Analog-digital Converter channel input pressure amplification circuit module pressure signal, will simulation letter
Number digital signal is converted to, pressure value is calculated according to algorithm, if pressure is more than first threshold, output Air Valve Control signal is beaten
Open air valve, output air pump control signal-off air pump.
As shown in figure 4, pressure amplification circuit module include pressure sensor driving circuit, amplifier circuit U1A, U1B,
Air pressure is switched to electric signal by U2B, filtering and amplifying circuit U3A, pressure sensor U7, and electric signal enters three amplifier U1A, U1B, U2B
The amplifier of composition, amplified signal enter filtering and amplifying circuit U3A and are amplified and filter, then output pressure simulation letter
Number enter the AD conversion channel of microprocessor, analog signal is converted to digital signal, pressure value is obtained by algorithm process.
As shown in figure 5, independent pressure amplification circuit module includes individual pressure sensors driving circuit, differential amplifier circuit
Air pressure is switched to electric signal by U5A, U5B, comparator circuit U6B, pressure sensor U12, and electric signal enters the difference of U5A, U5B composition
Divide the voltage signal B while input comparator U6B of amplifier, amplified signal and input, pressure signal after amplification is poor
Value is more than after voltage signal B, and comparator U6B overturnings output a control signal to independent air valve, opening air valve.With voltage signal B
Size variation, the threshold value of independent pressure amplifying circuit is also different, the threshold of voltage signal B decision systems independent protective pressure systems
Value.
As shown in fig. 6, VCC voltages are after adjustable rheostat R9 and fixed resistance R4 partial pressures, it is defeated by follower U13A
Go out voltage signal B, voltage signal B decision systems independent protective pressure system threshold values can be by adjusting adjustable rheostat R9's
Resistance value makes the independent protective pressure system threshold value that output voltage signal B is determined be more than the first threshold of microprocessor storage.
As shown in fig. 7, air pump connects microprocessor with air valve control line, independent Air Valve Control line comes from independent pressure and puts
Big circuit module can open independent air valve.
Those skilled in the art do not depart from the present invention essence and spirit, can there are many deformation scheme realize the present invention,
The foregoing is merely preferably feasible embodiments of the invention, not thereby limit to the interest field of the present invention, all with this
The equivalent structure variation that description of the invention and accompanying drawing content are made, is both contained within the interest field of the present invention.
Claims (6)
1. a kind of noninvasive eye socket pressure measures double protecting device, it is characterised in that：Including microprocessor module, pressure amplifying circuit
Module, pressure sensor, pressure measurement cylinder, air pump, air valve and pressure measurement bolt, the microprocessor module, the pressure amplifying circuit mould
Block and the pressure sensor are sequentially connected, and the microprocessor module is connected respectively with the air pump, the air valve, the pressure
Force snesor, the pressure measurement cylinder, the air pump, the air valve are connected with the pressure measurement bolt by gas circuit, the microprocessor mould
First threshold is provided in block, once the pressure signal of pressure amplification circuit module input is more than first threshold, then and it is described
Microprocessor module controls the air pump to be stopped and opens the air valve.
2. noninvasive eye socket pressure according to claim 1 measures double protecting device, it is characterised in that：Further include second pressure
Amplification circuit module, second pressure sensor and the second air valve, second pressure sensor, second pressure amplification circuit module and
Two air valves are sequentially connected, and the second air valve passes through gas with second pressure sensor, the pressure measurement cylinder, the air pump and the pressure measurement bolt
Road connects, and voltage threshold is set by second pressure amplification circuit module, once the pressure of second pressure amplification circuit module detection
Force signal is more than voltage threshold, then second pressure amplification circuit module opens the second air valve.
3. noninvasive eye socket pressure according to claim 2 measures double protecting device, it is characterised in that：The voltage threshold is big
In the voltage signal for determining first threshold.
4. a kind of noninvasive eye socket pressure measures double protection method, which is characterized in that including step：
A1, first threshold is set in microprocessor module；
The pressure signal that A2, pressure amplification circuit module are input to the microprocessor module is more than first threshold；
A3, microprocessor module output control signal make air pump be stopped；
A4, microprocessor module output control signal, open air valve.
5. noninvasive eye socket pressure according to claim 4 measures double protection method, which is characterized in that including step：
B1, second pressure amplification circuit module setting voltage threshold；
The pressure signal that B2, second pressure amplification circuit module detect is more than voltage threshold；
B3, second pressure amplification circuit module open the second air valve.
6. noninvasive eye socket pressure according to claim 5 measures double protection method, it is characterised in that：The voltage threshold is big
In the voltage signal for determining first threshold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810086118.9A CN108185985A (en) | 2018-01-26 | 2018-01-26 | A kind of noninvasive eye socket pressure measures double protecting device and guard method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810086118.9A CN108185985A (en) | 2018-01-26 | 2018-01-26 | A kind of noninvasive eye socket pressure measures double protecting device and guard method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108185985A true CN108185985A (en) | 2018-06-22 |
Family
ID=62591101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810086118.9A Pending CN108185985A (en) | 2018-01-26 | 2018-01-26 | A kind of noninvasive eye socket pressure measures double protecting device and guard method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108185985A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108937846A (en) * | 2018-07-11 | 2018-12-07 | 深圳市华智康电子有限公司 | A kind of foveal region of retina arterial pressure measurement device and measurement method |
| CN109452929A (en) * | 2018-11-30 | 2019-03-12 | 深圳市华智康电子有限公司 | It is a kind of to utilize the foveal region of retina arterial pressure measurement double protecting device of single-chip microcontroller and guard method |
| CN109452927A (en) * | 2018-11-30 | 2019-03-12 | 深圳市眼科医院 | A kind of foveal region of retina arterial pressure measurement protective device and guard method |
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| CN101103908A (en) * | 2006-07-11 | 2008-01-16 | 深圳迈瑞生物医疗电子股份有限公司 | Woundless blood pressure measuring device and its safety protecting method |
| CN202184725U (en) * | 2011-07-22 | 2012-04-11 | 无锡市中健科仪有限公司 | Double-sensor blood pressure measuring intelligent protection circuit |
| CN202714849U (en) * | 2012-07-06 | 2013-02-06 | 深圳市理邦精密仪器股份有限公司 | Non-invasive blood pressure single fault overvoltage protective device |
| CN205144541U (en) * | 2015-11-26 | 2016-04-13 | 江苏盖睿健康科技有限公司 | Electrosphygmomanometer with pressure protection |
| CN107569208A (en) * | 2017-08-25 | 2018-01-12 | 深圳市眼科医院 | A kind of noninvasive eye socket pressure measuring device and measuring method |
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2018
- 2018-01-26 CN CN201810086118.9A patent/CN108185985A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101103908A (en) * | 2006-07-11 | 2008-01-16 | 深圳迈瑞生物医疗电子股份有限公司 | Woundless blood pressure measuring device and its safety protecting method |
| CN202184725U (en) * | 2011-07-22 | 2012-04-11 | 无锡市中健科仪有限公司 | Double-sensor blood pressure measuring intelligent protection circuit |
| CN202714849U (en) * | 2012-07-06 | 2013-02-06 | 深圳市理邦精密仪器股份有限公司 | Non-invasive blood pressure single fault overvoltage protective device |
| CN205144541U (en) * | 2015-11-26 | 2016-04-13 | 江苏盖睿健康科技有限公司 | Electrosphygmomanometer with pressure protection |
| CN107569208A (en) * | 2017-08-25 | 2018-01-12 | 深圳市眼科医院 | A kind of noninvasive eye socket pressure measuring device and measuring method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108937846A (en) * | 2018-07-11 | 2018-12-07 | 深圳市华智康电子有限公司 | A kind of foveal region of retina arterial pressure measurement device and measurement method |
| CN109452929A (en) * | 2018-11-30 | 2019-03-12 | 深圳市华智康电子有限公司 | It is a kind of to utilize the foveal region of retina arterial pressure measurement double protecting device of single-chip microcontroller and guard method |
| CN109452927A (en) * | 2018-11-30 | 2019-03-12 | 深圳市眼科医院 | A kind of foveal region of retina arterial pressure measurement protective device and guard method |
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Application publication date: 20180622 |