CN112631181A - Control system suitable for malleation protective clothing - Google Patents
Control system suitable for malleation protective clothing Download PDFInfo
- Publication number
- CN112631181A CN112631181A CN202011516533.7A CN202011516533A CN112631181A CN 112631181 A CN112631181 A CN 112631181A CN 202011516533 A CN202011516533 A CN 202011516533A CN 112631181 A CN112631181 A CN 112631181A
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- CN
- China
- Prior art keywords
- control system
- protective clothing
- pressure
- fan
- positive pressure
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/002—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment
- A41D13/0025—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment by means of forced air circulation
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/12—Surgeons' or patients' gowns or dresses
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D27/00—Details of garments or of their making
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24215—Scada supervisory control and data acquisition
Abstract
The invention discloses a control system suitable for positive pressure protective clothing, which comprises a main control system, a pressure sensor, an alarm device, a transmission device and an external terminal, wherein the pressure sensor is arranged in the positive pressure protective clothing and used for acquiring pressure data in the positive pressure protective clothing; the master control system is connected with the pressure sensor, the power supply and the filter in the positive pressure protective suit and is used for monitoring the state of the pressure intensity, the battery capacity and the service life of the filter in the positive pressure protective suit; in the state monitoring process, the master control system controls the rotating speed of the fan in the positive pressure protective clothing according to the pressure data fed back by the pressure sensor in real time so as to reduce the power consumption of the system and improve the wearing comfort of a user. The system can intelligently control the rotating speed of the fan, so that the power consumption of the system is effectively reduced, and the wearing comfort of a user is improved.
Description
Technical Field
The invention relates to the technical field of positive pressure protective clothing, in particular to a control system suitable for positive pressure protective clothing.
Background
The positive pressure protective suit generally comprises a head-wearing protective mask and a protective suit body, wherein the head-wearing protective mask is provided with a protective panel, an air outlet at the mouth and nose and an air outlet at the two ears; the protective clothing body is provided with an elbow inner side air outlet, a chest air outlet, a back air outlet and an air outlet at the popliteal fossa.
A control system for a positive pressure protective clothing in the prior art cannot detect pressure and can not be adjusted in a self-adaptive mode according to pressure and temperature feedback, and for a user, the protective clothing can constantly supply air after being opened, and the air speed and the pressure cannot be adjusted, so that the comfort of the user and the power consumption of the system are greatly improved.
Disclosure of Invention
The invention aims to provide a control system suitable for positive pressure protective clothing, which can intelligently control the rotating speed of a fan, thereby effectively reducing the power consumption of the system and improving the wearing comfort of a user.
The purpose of the invention is realized by the following technical scheme:
a control system suitable for positive pressure protective clothing, the system includes major control system, pressure sensor, alarm device, transmission device, external terminal, wherein:
the pressure sensor is arranged in the positive pressure protective clothing and is used for acquiring pressure data in the positive pressure protective clothing;
the master control system is arranged at the back part of the positive pressure protective clothing, is connected with a pressure sensor, a power supply and a filter in the positive pressure protective clothing, and is used for monitoring the state of the pressure intensity, the battery capacity and the service life of the filter in the positive pressure protective clothing;
in the state monitoring process, the main control system controls the rotating speed of a fan in the positive pressure protective clothing according to pressure data fed back by the pressure sensor in real time so as to reduce the power consumption of the system and improve the wearing comfort of a user;
the alarm device is connected with the master control system, and when the master control system monitors that the internal pressure intensity, the battery capacity and the filter service life of the positive pressure protective suit exceed alarm threshold values, the alarm device gives an alarm through a buzzer and uploads an alarm code; thereby improving the safety factor of the system and effectively ensuring the personal safety;
the master control system sends the data collected by monitoring to the external terminal through the transmission device, and an operator controls the master control system through an instruction sent by the external terminal.
According to the technical scheme provided by the invention, the system can intelligently control the rotating speed of the fan, so that the power consumption of the system is effectively reduced, and the wearing comfort of a user is improved; meanwhile, the system improves the use safety factor of the system and effectively ensures personal safety through pressure alarm, battery power alarm and filter replacement alarm.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a control system suitable for a positive pressure protective suit according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
The following will further describe an embodiment of the present invention in detail with reference to the accompanying drawings, and as shown in fig. 1, is a schematic structural diagram of a control system suitable for a positive pressure protective suit provided by the embodiment of the present invention, where the system includes a main control system, a pressure sensor, an alarm device, a transmission device, and an external terminal, where:
the pressure sensor is arranged in the positive pressure protective clothing and is used for acquiring pressure data in the positive pressure protective clothing;
the master control system is arranged at the back part of the positive pressure protective clothing, is connected with a pressure sensor, a power supply and a filter in the positive pressure protective clothing, and is used for monitoring the state of the pressure intensity, the battery capacity and the service life of the filter in the positive pressure protective clothing;
in the state monitoring process, the main control system controls the rotating speed of a fan in the positive pressure protective clothing according to pressure data fed back by the pressure sensor in real time so as to reduce the power consumption of the system and improve the wearing comfort of a user;
the alarm device is connected with the master control system, and when the master control system monitors that the internal pressure intensity, the battery capacity and the filter service life of the positive pressure protective suit exceed alarm threshold values, the alarm device gives an alarm through a buzzer and uploads an alarm code; thereby improving the safety factor of the system and effectively ensuring the personal safety;
the master control system sends the data collected by monitoring to the external terminal through the transmission device, and an operator controls the master control system through an instruction sent by the external terminal.
In the specific implementation process, the process that the master control system controls the rotating speed of the fan in the positive pressure protective clothing according to the pressure data fed back by the pressure sensor in real time specifically comprises the following steps:
the method comprises the following steps of adopting a double-closed-loop control mode, firstly, taking an inner loop as a current loop, and adjusting the control output quantity of a fan by detecting the current value of a fan control circuit in the positive pressure protective clothing so as to stabilize current control; the outer loop is the pressure ring, through detecting the pressure value in the malleation protective clothing carries out PID to the control output volume of fan and adjusts, makes it in a stable pressure range, specifically:
in the current loop control, acquiring a current value x of the fan, sampling values x1, x2, x3 and … … in a fixed period; then, amplitude limiting filtering is carried out, a comparison difference value e1 is made between the filtered sampling value and a fan current set value, the fan output control quantity y is k1 × e1, and k1 is a proportional coefficient in PID control;
in the pressure loop control, the closed loop control is performed on the basis of the current loop. Acquiring pressure sampling values z of a plurality of periods, wherein the sampling values z1, z2 and z3 … … are used for improving the anti-interference capacity of the system; then, performing sliding filtering calculation, calculating an average value after the sliding filtering, and comparing the average value with a pressure target value n to obtain a difference value e 2; and calculating an integral quantity I for each period of the difference value e2, eliminating a static error of control, and then outputting a control quantity of the fan as follows: y is k1 × e1+ k2 × e2+ k3 × I, and k2 and k3 are integral coefficients in PID control;
and optimizing a fan control system by adjusting proportion and integral coefficients of the PID so as to enable the fan control system to be in a stable pressure range.
In addition, the main control system firstly carries out system self-check after the main control system is started, detects whether the electric quantity of the battery is too low and whether the fan has a fault, and sends out an alarm signal through an alarm device if the fan has the fault.
The transmission device adopts a wireless Bluetooth or 485 communication mode for data transmission, the master control system firstly tries to be connected with the display control through Bluetooth, and if the master control system is not connected for a period of time, the master control system is automatically switched to 485 communication connection.
It is noted that those skilled in the art will recognize that embodiments of the present invention are not described in detail herein.
In conclusion, the system provided by the embodiment of the invention intelligently controls the rotating speed of the fan by collecting the data fed back by the pressure sensor in real time, so that the power consumption of the system is effectively reduced and the wearing comfort of a user is improved; meanwhile, the system improves the use safety factor of the system and effectively ensures personal safety through pressure alarm, battery power alarm and filter replacement alarm.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. The utility model provides a control system suitable for malleation protective clothing, its characterized in that, the system includes major control system, pressure sensor, alarm device, transmission device, external terminal, wherein:
the pressure sensor is arranged in the positive pressure protective clothing and is used for acquiring pressure data in the positive pressure protective clothing;
the master control system is arranged at the back part of the positive pressure protective clothing, is connected with a pressure sensor, a power supply and a filter in the positive pressure protective clothing, and is used for monitoring the state of the pressure intensity, the battery capacity and the service life of the filter in the positive pressure protective clothing;
in the state monitoring process, the main control system controls the rotating speed of a fan in the positive pressure protective clothing according to pressure data fed back by the pressure sensor in real time so as to reduce the power consumption of the system and improve the wearing comfort of a user;
the alarm device is connected with the master control system, and when the master control system monitors that the internal pressure intensity, the battery capacity and the filter service life of the positive pressure protective suit exceed alarm threshold values, the alarm device gives an alarm through a buzzer and uploads an alarm code; thereby improving the safety factor of the system and effectively ensuring the personal safety;
the master control system sends the data collected by monitoring to the external terminal through the transmission device, and an operator controls the master control system through an instruction sent by the external terminal.
2. The control system suitable for the positive pressure protective clothing according to claim 1, wherein the process of the main control system controlling the rotation speed of the fan in the positive pressure protective clothing according to the pressure data fed back by the pressure sensor in real time specifically comprises:
the method comprises the following steps of adopting a double-closed-loop control mode, firstly, taking an inner loop as a current loop, and adjusting the control output quantity of a fan by detecting the current value of a fan control circuit in the positive pressure protective clothing so as to stabilize current control; the outer loop is the pressure ring, through detecting the pressure value in the malleation protective clothing carries out PID to the control output volume of fan and adjusts, makes it in a stable pressure range, specifically:
in the current loop control, acquiring a current value x of the fan, sampling values x1, x2, x3 and … … in a fixed period; then, amplitude limiting filtering is carried out, a comparison difference value e1 is made between the filtered sampling value and a fan current set value, the fan output control quantity y is k1 × e1, and k1 is a proportional coefficient in PID control;
in the pressure ring control, a plurality of periods of pressure sampling values z are obtained, and in order to improve the anti-interference capability of the system, the sampling values z1, z2 and z3 … … are obtained; then, performing sliding filtering calculation, calculating an average value after the sliding filtering, and comparing the average value with a pressure target value n to obtain a difference value e 2; and calculating an integral quantity I for each period of the difference value e2, eliminating a static error of control, and then outputting a control quantity of the fan as follows: y is k1 × e1+ k2 × e2+ k3 × I, and k2 and k3 are integral coefficients in PID control;
and optimizing a fan control system by adjusting proportion and integral coefficients of the PID so as to enable the fan control system to be in a stable pressure range.
3. The control system for the positive pressure protective clothing according to claim 1, wherein the main control system first performs a system self-test after power-on to detect whether the battery power is too low and whether the fan is faulty.
4. The control system for a positive pressure protective garment according to claim 1,
the transmission device adopts a wireless Bluetooth or 485 communication mode to transmit data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011516533.7A CN112631181B (en) | 2020-12-21 | 2020-12-21 | Control system suitable for positive pressure protective clothing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011516533.7A CN112631181B (en) | 2020-12-21 | 2020-12-21 | Control system suitable for positive pressure protective clothing |
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| Publication Number | Publication Date |
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| CN112631181A true CN112631181A (en) | 2021-04-09 |
| CN112631181B CN112631181B (en) | 2022-10-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011516533.7A Active CN112631181B (en) | 2020-12-21 | 2020-12-21 | Control system suitable for positive pressure protective clothing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114779682A (en) * | 2022-03-31 | 2022-07-22 | 河南驼人医疗器械研究院有限公司 | Control system and control method for medical positive pressure protection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114779682A (en) * | 2022-03-31 | 2022-07-22 | 河南驼人医疗器械研究院有限公司 | Control system and control method for medical positive pressure protection device |
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| Publication number | Publication date |
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| CN112631181B (en) | 2022-10-04 |
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