CN108151259A - For the pressure monitoring device of laminar flow sterile system - Google Patents
For the pressure monitoring device of laminar flow sterile system Download PDFInfo
- Publication number
- CN108151259A CN108151259A CN201711421092.0A CN201711421092A CN108151259A CN 108151259 A CN108151259 A CN 108151259A CN 201711421092 A CN201711421092 A CN 201711421092A CN 108151259 A CN108151259 A CN 108151259A
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- Prior art keywords
- air
- lock
- cabin
- pressure
- personnel
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The present invention relates to technical field of medical equipment, and in particular to a kind of pressure monitoring device for laminar flow sterile system.Including sensor, gas pressure regulator, the first wind turbine and the second wind turbine, first wind turbine is used to blow into cabin, second wind turbine is used to blow to air lock, sensor includes baroceptor and personnel pass in and out sensor, baroceptor is used for detecting the air pressure of cabin and air lock, personnel pass in and out personnel's disengaging data that sensor is used for detecting air lock and cabin, and gas pressure regulator is used for the air pressure by the way that the air output of the first wind turbine and the second wind turbine is controlled to control air lock and cabin.Provided by the present invention for the pressure monitoring device of laminar flow sterile system, purified treatment can be carried out to the personnel of disengaging, prevent the contaminants compartment environment carried on personnel's clothing.
Description
Technical field
The present invention relates to technical field of medical equipment, are supervised in particular to a kind of pressure for laminar flow sterile system
Control device.
Background technology
It generally requires quickly to establish the aseptic operating room that is isolated from the outside in rescue scene the wounded are treated or are isolated,
To prevent wounded's wound infection life-threatening, aseptic operating room generally includes main cabin and air lock, main cabin and air lock it
Between cabin gate inhibition is set, air-lock gate inhibition is set between air lock and external environment, and main cabin and air lock need to be equipped with corresponding
Sterilised filtration equipment to carry out sterilizing to the environment in cabin and air lock, and current aseptic operating room is by adopting mostly
With the laminar flow filter device for the circulating direction that can control air-flow, make to form the positive pressure environment that air pressure is slightly above the external world in cabin, lead to
The air-flow of thin layer is crossed, with uniform flow velocity to same direction, makes air-flow from the low region of the high field flow orientation cleanliness factor of cleanliness factor,
Take away and discharge dust granules (grit) and the bacterium in air-flow, keep indoor environment not contaminated, the indoor pressure in cabin for
It is vital for gnotobasis in cabin.
A large amount of bacterium can be carried on clothing when personnel enter cabin from the external world, existing aseptic operating room can not be in people
Member enters the sterilization that carries out disinfection before, these bacteriums can be diffused in cabin, pollutes the indoor air environment in cabin,.
Invention content
The invention is intended to provide a kind of pressure monitoring device for laminar flow sterile system, existing sterile system can be solved
The problem of purified treatment cannot being carried out to the personnel of disengaging.
In order to solve the above-mentioned technical problem, this patent provides following basic technology scheme：
For the pressure monitoring device of laminar flow sterile system, including sensor, gas pressure regulator, the first wind turbine and the second wind
Machine, first wind turbine into cabin for blowing, and second wind turbine is used to blow to air lock, and the sensor includes gas
Pressure sensor and personnel pass in and out sensor, and the baroceptor is used for detecting the air pressure of cabin and air lock, the personnel into
Go out personnel's disengaging data that sensor is used for detecting air lock and cabin, the gas pressure regulator is used for by controlling first respectively
The air output of wind turbine and the second wind turbine controls the air pressure in air lock and cabin, and the gas pressure regulator can detect people
Increase the air pressure of air lock when member passes in and out between extraneous and air lock, the gas pressure regulator can detect personnel in gas
Air lock air pressure is reduced when being passed in and out between lock chamber and cabin and increases cabin air pressure simultaneously.
In technical solution of the present invention, the personnel for detecting cabin and air lock in real time by personnel's disengaging sensor pass in and out feelings
Condition, gas pressure regulator increase air lock air pressure when the personnel that detect pass in and out air lock, air lock are made to form the external world larger
Positive pressure prevents external air flow from entering air lock, while during personnel's opening air lock door, is formed strongly between air lock and the external world
The clothing of personnel is blowed in air-flow, takes away a part of pollutant；Gas pressure regulator is dropped when detecting personnel access hatch room
Low air lock air pressure increases cabin air pressure simultaneously, makes to form larger draught head between cabin and air lock, prevents air lock gas
Stream enters cabin, while during cabin gate inhibition opening, more strong air-flow is formed between cabin and air lock, so as to personnel's
Filtering is blowed in clothing again, and the pollutants such as the dust on personnel's clothing are taken away, these pollutants is avoided to be entrained into cabin
Inside is effectively guaranteed the cleannes in cabin.
Further, alarm device is further included, the alarm device can be when personnel open cabin gate inhibition to cabin air pressure
Air pressure with air lock is detected, and the alarm device can be sent out when detecting that cabin air pressure is less than the air pressure of air lock
Alarm.
It prevents staff from passing in and out cabin when cabin air pressure is less than the air pressure of air lock, pollutes compartment environment.
Further, the personnel pass in and out the first pressure on the doorframe that sensor is prohibited including being arranged on the gentle gate of cabin gate inhibition
Force snesor.
Gas pressure regulator can detect whether gate inhibition is pressed on doorframe by first pressure sensor, and then judge that gate inhibition is
No to be opened, the open and-shut mode that gas pressure regulator passes through gate inhibition is the disengaging data for the personnel that can obtain.
Further, the personnel pass in and out sensor and further include the be arranged on the door handle that the gentle gate of cabin gate inhibition is prohibited
Two pressure sensors.
It can detect whether that personnel hold door handle by second pressure sensor, so as to detect whether that someone wants to beat
Open a certain gate inhibition.
Further, the alarm device can be when the personnel that detect open cabin gate inhibition to the open and-shut mode of air-lock gate inhibition
It is detected and alarm is sent out when detecting that air-lock gate inhibition is in opening, the alarm device can detect personnel
The open and-shut mode of cabin gate inhibition is detected and is sent out when detecting that cabin gate inhibition is in opening when opening air-lock gate inhibition
Go out alarm.
It prevents two gate inhibitions from opening simultaneously, and the external world is made to be connected with cabin, pollute compartment environment.
Further, the sensor further includes air quality detecting device, and the air quality detecting device is used for detecting
The indoor air quality of air-lock, the gas pressure regulator are connect with air quality detecting device signal, the gas pressure regulator energy
Enough when detecting that air lock air quality is not up to standard, increase the air quantity of the second wind turbine.
The air quantity of the second wind turbine is adjusted according to air quality, quickly purifies air-lock room air.
Further, the air quality detecting device is arranged on air-lock indoor top, and air quality detecting device includes receiving
Collector, is equipped with piston in the collecting pipe, equipped with thimerosal in the collecting pipe above piston, on the collecting pipe side wall above piston
Equipped with mouth spray, the collecting pipe side wall below piston is equipped with air admission hole and venthole, is all provided at the air admission hole and venthole
There is check valve, air quality sensor, the push rod of the piston and the door-hinge power connector of air-lock gate inhibition, institute are equipped at venthole
It when stating air-lock gate inhibition unlatching, can be moved up with piston, be that thimerosal is sprayed from mouth spray, when the air-lock gate inhibition closes
It can be moved downward with piston.
, can be when air-lock gate inhibition to open by collecting pipe and piston, automatic spraying thimerosal is indoor to entering air-lock
Personnel decontamination；Since air-lock room air is comparatively clean, dustiness is smaller, if using traditional air quality sensor
Air quality can not be accurately measured, in said program, piston can collect gas from air admission hole, and be closed in air lock gate inhibition
When be sprayed onto on air quality sensor, increase the air capacity that touches of air quality sensor, and then be conducive to improve detection accurate
Exactness.
Description of the drawings
Fig. 1 is logic diagram of the present invention for the pressure monitoring device embodiment of laminar flow sterile system.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail：
As described in Figure 1, the present embodiment is used for the pressure monitoring device of laminar flow sterile system, including sensor, pressure control
Device, the first wind turbine and the second wind turbine, for blowing into cabin, second wind turbine is used to send to air lock first wind turbine
Wind, the sensor includes baroceptor and personnel pass in and out sensor, and the baroceptor includes being used for detecting cabin gas
First baroceptor of pressure and the second baroceptor for detecting air lock air pressure, the personnel pass in and out sensor and are used for
The personnel for detecting air lock and cabin pass in and out data, and the gas pressure regulator is used for by controlling the first wind turbine and the second wind turbine
Air output control air lock and cabin air pressure, the gas pressure regulator can be in the personnel that detect in extraneous and air lock
Between pass in and out when increase air lock air pressure, the gas pressure regulator can the personnel that detect between air lock and cabin into
Air lock air pressure is reduced when going out and increases cabin air pressure simultaneously.
In the present embodiment, personnel pass in and out sensor and are arranged on the gate inhibition in air lock and cabin, and gas pressure regulator can
The signal that sensor is passed in and out according to personnel judges whether that someone will open the gentle gate taboo of cabin gate inhibition and cabin gate inhibition is gentle
The opening state that gate is prohibited, and then obtain personnel and pass in and out data, personnel pass in and out sensor and include being arranged on cabin gate inhibition and gas
The first pressure sensor and the second pressure sensor that is arranged on doorframe, gas pressure regulator that gate is prohibited on door handle pass through
First pressure sensor has been capable of detecting whether that personnel hold door handle, so as to detect whether that someone will open a certain gate inhibition, gas
Pressure controller can detect whether gate inhibition is pressed on doorframe by second pressure sensor, and then judge whether gate inhibition is opened.
Gas pressure regulator can increase the air pressure of air lock, gas when the personnel that detect pass in and out between extraneous and air lock
Pressure controller can reduce air lock air pressure when the personnel that detect pass in and out between air lock and cabin, be set in gas pressure regulator
There are an air lock air pressure desired value and the desired value of cabin air pressure, gas pressure regulator is according to the inspection of air pressure desired value and baroceptor
Measured value realizes the control to air lock and cabin air pressure by pid algorithm.
Sensor further includes air quality detecting device, and air quality detecting device is used for detecting the indoor air matter of air-lock
Amount, gas pressure regulator are connect with air quality detecting device signal, and gas pressure regulator can detect air lock air quality
When not up to standard, increase the air quantity of the second wind turbine.
Air quality detecting device is arranged on air-lock indoor top, and air quality detecting device includes collecting pipe, collecting pipe
Interior to be equipped with piston, equipped with thimerosal in the collecting pipe above piston, the collecting pipe side wall above piston is equipped with mouth spray, piston
The collecting pipe side wall of lower section is equipped with air admission hole and venthole, is equipped with check valve at air admission hole and venthole, is set at venthole
There are air quality sensor, the push rod of piston and the door-hinge power connector of air-lock gate inhibition, when air-lock gate inhibition opens, work can be driven
Plug moves up, and is that thimerosal is sprayed from mouth spray, air-lock gate inhibition can move downward when closing with piston.
Pneumatic control system further includes alarm device, and alarm device includes warning lamp, buzzer and alarming controller, alert
Report controller is connect with gas pressure regulator signal, and cabin and air lock air pressure and personnel can be obtained at gas pressure regulator
Data and the state of gate inhibition are passed in and out, alarming controller can be gentle to cabin air pressure when personnel pass in and out air lock from cabin gate inhibition
The air pressure of lock chamber is compared judgement, warning lamp and buzzer is controlled to send out if the air pressure that cabin air pressure is less than air lock
Alarm.Alarming controller when personnel hold the door handle of a certain gate inhibition, can detect the opening of another gate inhibition, if separately
One gate inhibition has been switched on, then sends out alarm, prevents personnel from opening simultaneously two gate inhibitions, in the present embodiment, gas pressure regulator and
Alarming controller is microcontroller.
Above is only the embodiment of the present invention, and the common sense such as well known concrete structure and characteristic are not made excessively herein in scheme
Description, all common of technical field that the present invention belongs to before one skilled in the art know the applying date or priority date
Technological know-how can know the prior art all in the field, and with using routine experiment means before the date
Ability, one skilled in the art with reference to self-ability can improve under the enlightenment that the application provides and implement we
Case, some typical known features or known method should not become the barrier that one skilled in the art implement the application
Hinder.It should be pointed out that for those skilled in the art, without departing from the structure of the invention, if can also make
Dry modification and improvement, these should also be considered as protection scope of the present invention, these all do not interfere with the effect that the present invention implemented and
Practical applicability.The scope of protection required by this application should be based on the content of the claims, the specific reality in specification
Apply the content that the records such as mode can be used for explaining claim.
Claims (7)
1. for the pressure monitoring device of laminar flow sterile system, including sensor, gas pressure regulator, the first wind turbine and the second wind
Machine, for blowing into cabin, second wind turbine is used to blow to air lock first wind turbine, it is characterised in that：It is described
Sensor includes baroceptor and personnel pass in and out sensor, and the baroceptor is used for detecting the gas of cabin and air lock
Pressure, the personnel pass in and out personnel's disengaging data that sensor is used for detecting air lock and cabin, and the gas pressure regulator is used to lead to
The first wind turbine of control and the air output control air lock of the second wind turbine and the air pressure in cabin are crossed, the gas pressure regulator can
Increase the air pressure of air lock when the personnel that detect pass in and out between extraneous and air lock, the gas pressure regulator can detect
Air lock air pressure is reduced when being passed in and out between air lock and cabin to personnel and increases cabin air pressure simultaneously.
2. the pressure monitoring device according to claim 1 for laminar flow sterile system, it is characterised in that：The air pressure control
System processed further includes alarm device, and the alarm device can be when personnel open cabin gate inhibition to cabin air pressure and air lock
Air pressure is detected, and the alarm device can send out alarm when detecting that cabin air pressure is less than the air pressure of air lock.
3. the pressure monitoring device according to claim 2 for laminar flow sterile system, it is characterised in that：The personnel into
Go out sensor and include the first pressure sensor being arranged on the doorframe of cabin gate inhibition and air-lock gate inhibition.
4. the pressure monitoring device according to claim 3 for laminar flow sterile system, it is characterised in that：The personnel into
Go out sensor and further include the second pressure sensor being arranged on the door handle of cabin gate inhibition and air-lock gate inhibition.
5. the pressure monitoring device according to claim 4 for laminar flow sterile system, it is characterised in that：The alarm dress
The open and-shut mode of air-lock gate inhibition can be detected when the personnel that detect open cabin gate inhibition and detect air lock door by putting
Alarm is sent out when prohibiting in opening, the alarm device can be when the personnel that detect open air-lock gate inhibition to cabin gate inhibition
Open and-shut mode be detected and send out alarm when detecting that cabin gate inhibition is in opening.
6. the pressure monitoring device according to claim 1 for laminar flow sterile system, it is characterised in that：The sensor
Air quality detecting device is further included, the air quality detecting device is used for detecting the indoor air quality of air-lock, the gas
Pressure controller is connect with air quality detecting device signal, and the gas pressure regulator can detect air lock air quality not
When up to standard, increase the air quantity of the second wind turbine.
7. the pressure monitoring device according to claim 6 for laminar flow sterile system, it is characterised in that：The air matter
Amount detecting device is arranged on air-lock indoor top, and air quality detecting device includes collecting pipe, piston is equipped in the collecting pipe,
Equipped with thimerosal in collecting pipe above piston, the collecting pipe side wall above piston is equipped with mouth spray, the collection below piston
Pipe side wall is equipped with air admission hole and venthole, and check valve is equipped at the air admission hole and venthole, air is equipped at venthole
Mass sensor, the push rod of the piston and the door-hinge power connector of air-lock gate inhibition, when the air-lock gate inhibition opens, can drive
Piston moves up, and is that thimerosal is sprayed from mouth spray, the air-lock gate inhibition can move downward when closing with piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711421092.0A CN108151259B (en) | 2017-12-25 | 2017-12-25 | Pressure monitoring device for laminar flow sterile system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711421092.0A CN108151259B (en) | 2017-12-25 | 2017-12-25 | Pressure monitoring device for laminar flow sterile system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108151259A true CN108151259A (en) | 2018-06-12 |
| CN108151259B CN108151259B (en) | 2020-04-28 |
Family
ID=62465835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711421092.0A Active CN108151259B (en) | 2017-12-25 | 2017-12-25 | Pressure monitoring device for laminar flow sterile system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108151259B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115095187A (en) * | 2022-03-24 | 2022-09-23 | 成都格力新晖医疗装备有限公司 | Mobile laboratory and cabin body mechanism thereof |
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| CN206632060U (en) * | 2017-03-02 | 2017-11-14 | 章飞 | A kind of wind drenches door |
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| US20070021050A1 (en) * | 2005-06-16 | 2007-01-25 | Kennedy Michael A | System for providing and managing a laminar flow of clean air |
| JP2007003091A (en) * | 2005-06-23 | 2007-01-11 | Hitachi Industrial Equipment Systems Co Ltd | Air shower device |
| CN101158497A (en) * | 2007-11-15 | 2008-04-09 | 江苏苏净集团有限公司 | Control system for controlling the direction of airflow at clean chamber doorway |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115095187A (en) * | 2022-03-24 | 2022-09-23 | 成都格力新晖医疗装备有限公司 | Mobile laboratory and cabin body mechanism thereof |
| CN115095187B (en) * | 2022-03-24 | 2023-10-03 | 成都格力新晖医疗装备有限公司 | Mobile laboratory and cabin mechanism thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108151259B (en) | 2020-04-28 |
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