CN112068177A

CN112068177A - Bionic alpha internal pollution metering and monitoring device

Info

Publication number: CN112068177A
Application number: CN202010955195.0A
Authority: CN
Inventors: 颜瑜成; 左卓; 熊文彬; 别业旺
Original assignee: Southwestern Institute of Physics; Engineering and Technical College of Chengdu University of Technology
Current assignee: Southwestern Institute of Physics; Engineering and Technical College of Chengdu University of Technology
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2020-12-11

Abstract

The invention relates to the field of alpha internal pollution monitoring, in particular to a bionic alpha internal pollution metering and monitoring device, which comprises an intelligent trolley, a controller and a remote control platform communicated with the controller; an air pump controlled by a stepping motor and used for pumping air into a monitoring area is installed on the intelligent trolley chassis, an air outlet end of the air pump is connected with a monitoring bin through an air pipe A, any one side wall of the monitoring bin is connected with an air pipe B, and an alpha energy spectrum acquisition and analysis system used for monitoring pollution dosage in the alpha energy spectrum acquisition and analysis system is installed on the intelligent trolley chassis. The breathing frequency of the human body is preset in the controller, and the stepping motor controls the air pump to work based on the breathing frequency of the human body, so that the pollution dose in alpha in the breathing process of the human body is realized, and data reference is provided for the dose received by the human body.

Description

Bionic alpha internal pollution metering and monitoring device

Technical Field

The invention relates to the field of alpha internal pollution monitoring, in particular to a bionic alpha internal pollution metering and monitoring device.

Background

With the gradual shortage of world energy, the development of new energy will become a necessity, and nuclear energy as one of the new energy is also under vigorous development nowadays. Although the development prospect is wide, the method also has great disadvantages. If a nuclear leak occurs, a large amount of nuclear radiation will be generated and the radionuclide will enter the air. The alpha particles can interact with molecules in the air to generate aerosol which floats in the air and is easy to be inhaled into the human body by the respiratory system of the human body, thereby causing serious and long-term damage to the human body.

At present, no alpha radiation metering and measuring instrument bionic based on human breath exists in the market, so that a bionic alpha internal pollution metering and monitoring device needs to be designed based on human breath in a bionic manner, the alpha nuclide activity inhaled into a human body is quantitatively calculated, and the alpha internal irradiation dose is evaluated.

Disclosure of Invention

The invention provides a bionic alpha internal pollution metering and monitoring device, which realizes the simulation of human body respiration in a radiation environment, obtains the alpha internal pollution dosage in the human body respiration process and provides data reference for the dosage received by the human body.

In order to achieve the purpose, the invention provides the following technical scheme:

a bionic alpha internal pollution metering and monitoring device comprises an intelligent trolley, wherein the intelligent trolley comprises a travelling wheel for providing travelling, a bogie for providing a steering function for the travelling wheel, a transmission mechanism for driving the travelling wheel, a driving device for providing power for the travelling wheel, a storage battery for providing energy for the driving device, a camera for providing a travelling picture for the trolley, a controller for controlling the trolley to travel and a remote control platform communicated with the controller; the intelligent trolley comprises an intelligent trolley chassis, and is characterized in that an air pump controlled by a stepping motor and used for pumping air into a monitoring area is installed on the intelligent trolley chassis, an air outlet end of the air pump is connected with a monitoring bin through an air pipe A, any one side wall of the monitoring bin is connected with an air pipe B, and an alpha energy spectrum acquisition and analysis system used for monitoring pollution dose in the monitoring bin alpha is installed on the intelligent trolley chassis.

According to the invention, the breathing frequency of the human body is preset in the controller, and the stepping motor controls the air pump to work based on the breathing frequency of the human body, so that the pollution dosage in alpha in the breathing process of the human body is realized, and data reference is provided for the dosage received by the human body.

Preferably, the α energy spectrum acquiring and analyzing system includes a gold silicon surface barrier detector, a preamplifier, a main amplifier, a digital multichannel and an energy spectrum analyzing unit, the gold silicon surface barrier detector converts an α radiation signal into an electric pulse signal, the digital multichannel acquires an energy spectrum of α particles, and the energy spectrum analyzing unit calculates a corresponding α activity value.

Further, the air pump inlet end is connected with the intake pipe, installs the desicator and the filter that are used for dry air in the intake pipe for accessible desicator eliminates air humidity and avoids air humidity to influence the monitoring, and the filter is arranged in a large amount of granule dust in the filtered air.

Still further, all install the check valve on trachea B and the intake pipe, prevent that gas reflux from influencing the monitoring structure.

Still further, a flowmeter a is mounted on the air pipe a; the mask worn by a human body is provided with an air inlet end and an air outlet end, the air inlet end and the air outlet end are respectively provided with a one-way valve, the air inlet end is provided with a flowmeter B, the flowmeter A and the flowmeter B are communicated with a remote control platform, the gas flow of the flowmeter B in a certain time period is known, and then the pollution dose in alpha calculated by the gas flow of the flowmeter A in the same time period is checked, so that the pollution dose in alpha received by the human body can be known more accurately, and accurate data reference can be provided for the dose received by the human body.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the air pump is worn on the unmanned intelligent trolley, the gas is pumped into the monitoring bin through the stepping motor according to the respiratory frequency of the human respiratory system, and the pollution dose in alpha is monitored and converted through the alpha energy spectrum acquisition and analysis system, so that the pollution dose in alpha in the human respiratory process in a certain time period is realized, and data reference is provided for the dose received by the human body.

2. Through install flowmeter A and the gauze mask inlet end installation flowmeter that the human body wore on trachea A to the human body of understanding receives alpha in a certain period of time pollution dosage more accurate, provides accurate data reference for the dosage that the human body received.

Drawings

FIG. 1 is a schematic view of the installation positions of devices on a chassis of an intelligent trolley;

FIG. 2 is a schematic view of the installation position of the camera of the intelligent trolley;

description of reference numerals: 1. an intelligent trolley; 2. a storage battery; 3. a controller; 4. an air pump; 5. an alpha energy spectrum acquisition and analysis system; 6. monitoring a bin; 7. a camera; 8. a trachea A; 9. a trachea B; 10. an air inlet pipe; 11. a dryer; 12, a filter; 13. a one-way valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be 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 of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to attached

drawings

1 and 2, the bionic alpha internal pollution metering and monitoring device comprises an intelligent trolley 1, wherein the intelligent trolley 1 comprises a walking wheel for providing walking, a bogie for providing a steering function for the walking wheel, a transmission mechanism for driving the walking wheel, a driving device for providing power for the walking wheel, a storage battery 2 for providing energy for the driving device, a camera 7 for providing a walking picture for the trolley, a controller 3 for controlling the trolley to walk and a remote control platform communicated with the controller 3; install on the 1 chassis of intelligent vehicle through step motor control be used for going into the air pump 4 of monitoring zone air of pump, the end of giving vent to anger of air pump 4 is connected with monitoring storehouse 6 through trachea A8, any one lateral wall in monitoring storehouse 6 is connected with trachea B9, install the alpha energy spectrum that is arranged in monitoring in the monitoring storehouse 6 pollution dosage on the 1 chassis of intelligent vehicle and acquire and analytic system 5.

According to the invention, the breathing frequency of the human body is preset in the controller 3, and the stepping motor controls the air pump 4 to work based on the breathing frequency of the human body, so that the pollution dose in alpha in the breathing process of the human body is realized, and data reference is provided for the dose of the human body.

Preferably, the α energy spectrum acquiring and analyzing system 5 includes a gold silicon surface barrier detector, a preamplifier, a main amplifier, a digital multichannel and an energy spectrum analyzing unit, the gold silicon surface barrier detector converts an α radiation signal into an electrical pulse signal, the digital multichannel acquires an energy spectrum of α particles, and the energy spectrum analyzing unit calculates a corresponding α activity value.

Further, the air inlet end of the air pump 4 is connected with an air inlet pipe 10, and a dryer 11 and a filter 12 for drying air are installed on the air inlet pipe 10, so that the air humidity can be eliminated through the dryer 11, the influence of the air humidity on monitoring can be avoided, and the filter 12 is used for filtering a large amount of particle dust in the air.

Still further, check valves 13 are installed on the air pipe B9 and the air inlet pipe 10, so that the monitoring structure is prevented from being influenced by air backflow.

Still further, a flow meter a is mounted on the air pipe A8; an air inlet end and an air outlet end are arranged on a mask worn by a human body, check valves 13 are arranged on the air inlet end and the air outlet end, a flowmeter B is arranged on the air inlet end, the flowmeter A and the flowmeter B are communicated with a remote control platform, the gas flow of the flowmeter B in a certain time period is known, and then the pollution dose in alpha calculated by the gas flow of the flowmeter A in the same time period is checked, so that the pollution dose in alpha received by the human body is known more accurately, and accurate data reference is provided for the dose received by the human body.

The mode of operation of the invention is as follows:

the intelligent trolley 1 is placed in a working area, the controller 3 controls the air pump 4 to work according to the preset respiratory frequency of the human body respiratory system, air is pumped into the monitoring bin 6 through the air pump 4, the alpha energy spectrum acquisition and analysis system 5 analyzes alpha and calculates the pollution dose in the alpha, the total flow of the flowmeter B is checked, the pollution dose in the alpha in each cubic gas is converted according to the total flow of the flowmeter A, the pollution dose in the alpha in the total flow of the flowmeter B can be calculated, the monitoring of the pollution dose in the alpha in the human body respiratory process is realized, and data reference is provided for the dose received by the human body.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A bionic alpha internal pollution metering and monitoring device comprises an intelligent trolley (1), wherein the intelligent trolley (1) comprises a walking wheel for providing walking, a bogie for providing a steering function for the walking wheel, a transmission mechanism for driving the walking wheel, a driving device for providing power for the walking wheel, a storage battery (2) for providing energy for the driving device, a camera (7) for providing a walking picture for the trolley, a controller (3) for controlling the trolley to walk and a remote control platform communicated with the controller (3); the method is characterized in that: install air pump (4) that are used for pump income monitoring area air through step motor control on intelligent vehicle (1) chassis, air pump (4) are given vent to anger the end and are connected with monitoring storehouse (6) through trachea A (8), any one lateral wall in monitoring storehouse (6) is connected with trachea B9, install alpha energy spectrum acquisition and analytic system (5) that are arranged in monitoring in storehouse (6) alpha pollutant dose on intelligent vehicle (1) chassis.

2. The bionic alpha internal pollution metering and monitoring device according to claim 1, characterized in that: the alpha energy spectrum acquisition and analysis system (5) comprises a gold silicon surface barrier detector, a preamplifier, a main amplifier, digital multi-channels and an energy spectrum analysis unit, wherein the gold silicon surface barrier detector converts an alpha radiation signal into an electric pulse signal, the digital multi-channels acquire an energy spectrum of alpha particles, and the energy spectrum analysis unit calculates a corresponding alpha activity value.

3. The bionic alpha internal pollution metering and monitoring device according to claim 2, characterized in that: air pump (4) inlet end is connected with intake pipe (10), installs desicator (11) and filter (12) that are used for dry air on intake pipe (10) for accessible desicator (11) eliminate air humidity and avoid air humidity to influence the monitoring, and filter (12) are arranged in a large amount of granule dust in the filtered air.

4. The bionic alpha internal pollution metering and monitoring device according to claim 3, wherein: and the air pipe B9 and the air inlet pipe (10) are both provided with one-way valves (13).

5. The device according to any one of claims 1 to 4, wherein: a flowmeter A is arranged on the air pipe A (8); and set up the inlet end and give vent to anger the end on the gauze mask that the human body wore, all install check valve (13) on inlet end and the end of giving vent to anger, and install flowmeter B on the inlet end, flowmeter A and flowmeter B all communicate with remote control platform.