CN216646506U - Novel high-density soil radon concentration detection system - Google Patents

Abstract

The application provides a novel high density soil radon concentration detecting system belongs to environmental monitoring and detects technical field. This novel high density soil radon concentration detecting system includes determine module and sampling component. The detection assembly comprises a detector body, a hinge part and pressure measuring parts, the hinge part is fixedly connected with the outer wall of the detector body, the pressure measuring parts are in threaded connection with the hinge part, the sampling assembly comprises sampling tubes and hoses, and at least four sampling tubes and hoses are arranged. In this application, the detection subassembly can ensure that every sampling tube can both extract appointed gas sample volume, ensures objectivity and the representativeness of detection, and the sample subassembly is laid and is once accomplished, and this has not only reduced because of detecting trouble and the interference that arouses when removing, save time, has avoided in addition because the mistake that manual multiple operation appears, also makes things convenient for the measuring apparatu to carry out the preliminary treatment to a plurality of measured data, has improved field detection efficiency.

Description

Novel high-density soil radon concentration detection system

Technical Field

The application relates to the technical field of environmental monitoring and detection, in particular to a novel high-density soil radon concentration detection system.

Background

The world health organization has listed radon as one of the carcinogens, and the main source of indoor radon is radon precipitation from the soil in the building foundations. Therefore, according to the regulation of indoor environmental pollution control standard of civil building engineering GB50325-2020, the radon concentration in the building site soil must be measured before the design of the newly built and expanded civil building engineering, the measurement range should cover the basic engineering, and a corresponding detection report is provided.

At present, detection modes aiming at soil radon concentration are various, and an electrostatic collection method, a gold silicon surface barrier type detector and an ionization chamber method are mainly adopted.

And during field collection, soil radon concentration sampling meets the standard. The depth of the sampling hole penetrating into the earth surface soil is 600-800mm, the sampling aperture is 20-40mm, 10m grids are used for measurement sampling, each grid point is a test point (can deviate from +/-2 m when meeting large stones), the number of the distributed points is not less than 16, and the distributed point position covers the range of the basic engineering. After the hole is formed, a special sampler with a gas hole at the head is inserted into the drilled hole for measurement, the steps are repeated to complete the measurement of a plurality of test points, the data can be summarized and analyzed after all the samples are sampled, errors or other errors can be increased in each manual operation, faults and interference can be caused when the equipment is moved, and the field detection efficiency is not high due to the comprehensive operation.

SUMMERY OF THE UTILITY MODEL

In order to make up for above not enough, this application provides a novel high density soil radon concentration detecting system, aims at improving traditional single sampler and makes mistakes easily and frequent mobile device probably leads to equipment trouble and interference when open-air multiple test point sample detection, leads to the not high problem of open-air detection efficiency most always.

The application provides a novel high density soil radon concentration detecting system, including determine module and sampling component.

The detection assembly comprises a detector body, a pivot part and pressure measuring parts, the pivot part is fixedly connected with the outer wall of the detector body, the pressure measuring parts are in threaded connection with the pivot part, the sampling assembly comprises at least four sampling tubes and hoses, and all the sampling tubes are communicated with the pivot part through the corresponding hoses.

In the above scheme, a plurality of sampling tubes are inserted into the soil in an array form, in this embodiment, twelve sampling tubes are provided, all sampling tubes are communicated with the pivot piece through corresponding hoses, and are communicated with the detector body through the distribution of the pivot piece, specifically, all sampling tubes can be communicated with the detector body through the distribution of the pivot piece, or one of the sampling tubes can be independently communicated with the detector body, the pressure of each sampling tube can be visually observed through the pressure measuring piece, when the negative pressure exceeds a specified value, the gas extraction amount of the sampling tube can be determined to be insufficient, the sampling tube needs to be replaced, so as to ensure that each sampling tube can extract a specified gas sample amount, the objectivity and representativeness of the detection are ensured, the arrangement of a plurality of sampling tubes is completed at one time, and the faults and the interference caused by the detection movement are reduced, the time is saved, errors caused by manual repeated operation are avoided, the measuring instrument is convenient to preprocess a plurality of measured data, and the field detection efficiency is improved.

Furthermore, the pivot component comprises a shell and a door ring, the shell is fixedly connected with the detector body, the door ring is rotatably connected with the inner wall of the shell, and the shell is communicated with the detector body.

Further, the shell lateral wall evenly be provided with every the air cock of hose looks adaptation, the air cock with correspond the hose is pegged graft.

Further, the door ring lateral wall evenly runs through set up the gas pocket and every the air cock is linked together, wherein two adjacent still run through between the gas pocket and set up an independent hole respectively with every the air cock activity is linked together.

In the above scheme, when the door circle was rotatory when independent hole and one of them air cock intercommunication, all gas pockets all were plugged by the door circle shutoff this moment, only keep wherein sampling tube intercommunication all the way, can take a sample alone and measure, when the door circle is rotatory when corresponding with all air cocks to all gas cocks, independent hole is plugged by the door circle shutoff, and all sampling tubes all communicate to the detector body through the gas pocket that corresponds, realize independent and the effect of whole intercommunications.

Furthermore, the excircle of the door ring is provided with a sealing ring at each air hole, and the sealing ring is movably attached to the inner wall of the shell.

In the above scheme, the sealing ring is used for improving the sealing performance with the shell when the door ring rotates.

Furthermore, the detection assembly further comprises a driving part, the driving part comprises a motor and a gear, the motor is fixedly connected with the shell, and the gear is fixedly connected with an output shaft of the motor.

Furthermore, the driving piece further comprises a gear ring, the gear ring is fixedly connected with the excircle of the door ring, and the gear ring is meshed with the gear.

In the above scheme, the motor passes through the gear and drives the ring gear rotatory, can drive door circle autogiration, here, adopts servo motor, control door circle turned angle that can be accurate realizes automatic quick accurate independent intercommunication and whole intercommunication of sampling tube.

Further, the pressure measuring and pressing piece comprises a barrel, a knob and a filter screen, the knob is fixedly connected with the outer end of the barrel, the barrel is in threaded connection with the shell, and the filter screen is tightly attached to the shell through the barrel.

Furthermore, the pressure measuring piece further comprises a piston and a spring, the spring and the piston are clamped on the inner wall of the cylinder body, the piston is connected with the inner wall of the cylinder body in a sliding mode, one end of the spring abuts against the cylinder body, and the other end of the spring abuts against the piston.

Furthermore, the pressure measuring piece also comprises a transparent tube, the transparent tube is communicated with the cylinder body, and colored liquid is filled in the transparent tube.

In above-mentioned scheme, when the detector body is bled to the sampling tube, produce the negative pressure in the barrel, the negative pressure makes piston compression spring, change the position of coloured liquid in the hyaline tube, and be carved with the scale on the hyaline tube, can audio-visually read out the negative pressure value this moment, judge whether can extract sufficient gas sample, in this, the volume of coloured liquid is only a point of formation in the hyaline tube, so that observe, the filter screen is used for reducing the foreign matter here and is inhaled the this internal condition of detector, screw out the barrel, can be convenient take out the filter screen.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic structural diagram of a novel high-density soil radon concentration detection system provided by an embodiment of the present application;

fig. 2 is a schematic structural view of a connection relationship between a detector body and a hinge member according to an embodiment of the present disclosure;

FIG. 3 is a schematic view of a connection relationship between a driving member and a hinge member according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a connection relationship between a pressure measuring piece and a housing according to an embodiment of the present disclosure.

In the figure: 10-a detection component; 110-a detector body; 120-a hinge member; 121-a housing; 122-door ring; 123-air nozzle; 124-air holes; 125-independent hole; 126-sealing ring; 130-a driver; 131-a motor; 132-a gear; 133-ring gear; 140-a pressure measuring piece; 141-cylinder body; 142-a knob; 143-sieve; 144-a piston; 145-a spring; 146-a transparent tube; 20-a sampling assembly; 210-a sampling tube; 220-flexible tube.

Detailed Description

The technical solutions in the present application will be described below with reference to the drawings in the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Referring to fig. 1, the present application provides a novel high density soil radon concentration detection system, which comprises a detection assembly 10 and a sampling assembly 20.

The detection assembly 10 can ensure that each sampling tube 210 can extract a specified gas sample amount, the objectivity and the representativeness of detection are ensured, and the arrangement of the sampling assemblies 20 is completed at one time, so that the faults and the interference caused by detection movement are reduced, the time is saved, errors caused by manual multiple operations are avoided, the measurement instrument is convenient to preprocess a plurality of measurement data, and the field detection efficiency is improved.

Referring to fig. 1 to 4, the detecting assembly 10 includes a detecting device body 110, a hinge member 120 and a pressure measuring member 140, the hinge member 120 is fixedly connected to an outer wall of the detecting device body 110, the pressure measuring member 140 is screwed to the hinge member 120, the sampling assembly 20 includes at least four sampling tubes 210 and hoses 220, and all the sampling tubes 210 are communicated with the hinge member 120 through the corresponding hoses 220. The sampling tubes 210 are inserted into the soil in an array form, in the embodiment, twelve sampling tubes 210 are provided, all sampling tubes 210 are connected to the hinge 120 through corresponding hoses 220, and then connected to the inside of the detector body 110 through the distribution of the hinge 120, specifically, all sampling tubes 210 can be connected to the detector body 110 through the distribution of the hinge 120, or one of the sampling tubes 210 can be independently connected to the detector body 110, the pressure of each sampling tube 210 can be visually observed through the pressure measuring and measuring piece 140, when the negative pressure is larger than a specified value, the gas extraction amount of the sampling tube 210 is determined to be insufficient, the sampling tube 210 needs to be replaced, so as to ensure that each sampling tube 210 can extract a specified gas sample amount, and ensure the objectivity and representativeness of the detection, the arrangement of the sampling tubes 210 is completed at one time, thereby not only reducing the faults and interference caused by the detection movement, the time is saved, errors caused by manual repeated operation are avoided, the measuring instrument is convenient to preprocess a plurality of measured data, and the field detection efficiency is improved.

The hinge 120 includes a housing 121 and a door ring 122, the housing 121 is fixedly connected to the testing apparatus body 110, the door ring 122 is rotatably connected to an inner wall of the housing 121, and the housing 121 is connected to the testing apparatus body 110. The side wall of the housing 121 is uniformly provided with air nozzles 123 adapted to each hose 220, and the air nozzles 123 are inserted into the corresponding hoses 220. The side wall of the door ring 122 is uniformly perforated with air holes 124 to communicate with each air nozzle 123, wherein an independent hole 125 is further perforated between two adjacent air holes 124 to communicate with each air nozzle 123. When the door ring 122 rotates to the independent hole 125 to be communicated with one of the air nozzles 123, all the air holes 124 are blocked by the door ring 122, only one of the sampling pipes 210 is kept to be communicated, independent sampling and measurement can be carried out, when the door ring 122 rotates to the state that all the air holes 124 are in one-to-one correspondence with all the air nozzles 123, the independent hole 125 is blocked by the door ring 122, and all the sampling pipes 210 are communicated to the detector body 110 through the corresponding air holes 124, so that the independent and all-communicated effects are realized.

The outer circle of the door ring 122 is provided with a sealing ring 126 at each air hole 124, and the sealing ring 126 is movably attached to the inner wall of the shell 121. The gasket 126 is used to improve sealing performance with the housing 121 when the door ring 122 rotates.

Referring to fig. 1 to 4, the detecting assembly 10 further includes a driving member 130, the driving member 130 includes a motor 131 and a gear 132, the motor 131 is fixedly connected to the housing 121, and the gear 132 is fixedly connected to an output shaft of the motor 131. The driving member 130 further comprises a gear ring 133, the gear ring 133 is fixedly connected with the outer circle of the door ring 122, and the gear ring 133 is meshed with the gear 132. The motor 131 drives the gear ring 133 to rotate through the gear 132, so that the door ring 122 can be driven to automatically rotate, and here, the servo motor 131 is adopted, so that the rotation angle of the door ring 122 can be accurately controlled, and the automatic, quick and accurate independent communication and all communication of the sampling tube 210 are realized.

The pressure measuring piece 140 comprises a cylinder 141, a knob 142 and a filter screen 143, the knob 142 is fixedly connected with the outer end of the cylinder 141, the cylinder 141 is in screw connection with the shell 121, and the filter screen 143 is tightly attached to the shell 121 through the cylinder 141. The pressure measuring element 140 further comprises a piston 144 and a spring 145, the spring 145 and the piston 144 are both clamped on the inner wall of the cylinder 141, the piston 144 is slidably connected with the inner wall of the cylinder 141, one end of the spring 145 abuts against the cylinder 141, and the other end of the spring 145 abuts against the piston 144. The pressure measuring piece 140 further comprises a transparent tube 146, the transparent tube 146 is communicated with the cylinder 141, and the transparent tube 146 is filled with colored liquid. When the detector body 110 sucks air to the sampling tube 210, negative pressure is generated in the cylinder body 141, the piston 144 is enabled to compress the spring 145 by the negative pressure, the position of the colored liquid in the transparent tube 146 is changed, scales are marked on the transparent tube 146, the negative pressure value at the moment can be visually read, whether a sufficient gas sample can be extracted or not is judged, the amount of the colored liquid only forms a point in the transparent tube 146 to facilitate observation, the filter screen 143 is used for reducing the condition that foreign matters are sucked into the detector body 110, the cylinder body 141 is screwed out, and the filter screen 143 can be conveniently taken out.

This novel high density soil radon concentration detecting system's theory of operation: the sampling tubes 210 are inserted into the soil in an array form, in the embodiment, twelve sampling tubes 210 are provided, all the sampling tubes 210 are communicated into the casing 121 through corresponding hoses 220, the motor 131 drives the gear ring 133 to rotate through the gear 132, the door ring 122 can be driven to rotate automatically, when the door ring 122 rotates to the independent hole 125 to be communicated with one of the air nozzles 123, all the air holes 124 are blocked by the door ring 122 at the moment, only one of the sampling tubes 210 is kept to be communicated, independent sampling and measurement can be carried out, when the detector body 110 sucks air to the sampling tube 210, negative pressure is generated in the cylinder body 141, the piston 144 compresses the spring 145 to change the position of the colored liquid in the transparent tube 146, and the transparent tube 146 is provided with scales, the negative pressure value at the moment can be read intuitively to judge whether enough gas samples can be extracted, when the door ring 122 rotates to ensure that all the air holes 124 are in one-to one correspondence with all the air nozzles 123, the independent holes 125 are blocked by the door rings 122, all the sampling tubes 210 are communicated to the detector body 110 through the corresponding air holes 124, the whole communication effect is realized, the array detection work can be normally carried out at the moment, the pressure of each path of sampling tube 210 can be visually observed through the pressure measuring piece 140, when the negative pressure is larger than a specified value, the gas extraction amount of the path of sampling tube 210 can be determined to be insufficient, the sampling tube 210 needs to be placed again, the specified gas sample amount can be extracted from each sampling tube 210, the objectivity and representativeness of the detection are ensured, the arrangement of the sampling tubes 210 is completed at one time, the faults and the interference caused by the detection movement are reduced, the time is saved, the errors caused by manual multiple operations are avoided, the measurement instrument is convenient to preprocess multiple pieces of measurement data, and the detection efficiency is improved.

It should be noted that the specific model specifications of the detector body 110, the air nozzle 123, the sealing ring 126, the motor 131, the gear 132, the gear ring 133, the filter screen 143, the spring 145, the transparent tube 146, the sampling tube 210, and the hose 220 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, and therefore is not described in detail.

The power supply to the monitor body 110 and motor 131 and the principles thereof will be apparent to those skilled in the art and will not be described in detail herein.

The above embodiments are merely examples of the present application and are not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. A novel high-density soil radon concentration detection system is characterized by comprising

The detection assembly (10) comprises a detector body (110), a hinge part (120) and a pressure measuring part (140), wherein the hinge part (120) is fixedly connected with the outer wall of the detector body (110), and the pressure measuring part (140) is in threaded connection with the hinge part (120);

sampling subassembly (20), sampling subassembly (20) include sampling tube (210) and hose (220), sampling tube (210) with hose (220) are provided with four at least, all sampling tube (210) all through corresponding hose (220) with hinge piece (120) intercommunication.

2. The novel high density soil radon concentration detection system as claimed in claim 1, wherein said hinge member (120) comprises a housing (121) and a door ring (122), said housing (121) is fixedly connected with said detector body (110), said door ring (122) is rotatably connected with the inner wall of said housing (121), and said housing (121) is connected to said detector body (110).

3. The novel high-density soil radon concentration detection system as claimed in claim 2, wherein air nozzles (123) matched with each hose (220) are uniformly arranged on the side wall of the shell (121), and the air nozzles (123) are inserted into the corresponding hoses (220).

4. The novel high-density soil radon concentration detection system as claimed in claim 3, wherein air holes (124) are uniformly formed through the side wall of the door ring (122) and communicated with each air nozzle (123), and an independent hole (125) is further formed between two adjacent air holes (124) and movably communicated with each air nozzle (123).

5. The novel high-density soil radon concentration detection system as claimed in claim 4, wherein a sealing ring (126) is arranged on the outer circle of the door ring (122) at each air hole (124), and the sealing ring (126) is movably attached to the inner wall of the shell (121).

6. The novel high-density soil radon concentration detection system as claimed in claim 5, wherein said detection assembly (10) further comprises a driving member (130), said driving member (130) comprises a motor (131) and a gear (132), said motor (131) is fixedly connected with said housing (121), and said gear (132) is fixedly connected with an output shaft of said motor (131).

7. The novel high-density soil radon concentration detection system as claimed in claim 6, wherein said driving member (130) further comprises a gear ring (133), said gear ring (133) is fixedly connected with the outer circle of said door ring (122), and said gear ring (133) is engaged with said gear (132).

8. The novel high-density soil radon concentration detection system as claimed in claim 7, wherein said pressure measuring member (140) comprises a cylinder (141), a knob (142) and a filter screen (143), said knob (142) is fixedly connected with the outer end of said cylinder (141), said cylinder (141) is screwed with said housing (121), and said filter screen (143) is tightly attached to said housing (121) through said cylinder (141).

9. The system for detecting radon concentration in novel high-density soil as claimed in claim 8, wherein said pressure measuring member (140) further comprises a piston (144) and a spring (145), said spring (145) and said piston (144) are both clamped to the inner wall of said cylinder (141), said piston (144) is slidably connected to the inner wall of said cylinder (141), one end of said spring (145) abuts against said cylinder (141), and the other end of said spring (145) abuts against said piston (144).

10. The novel high-density soil radon concentration detection system as claimed in claim 9, wherein said pressure measuring member (140) further comprises a transparent tube (146), said transparent tube (146) is communicated with said cylinder (141), and said transparent tube (146) is filled with a colored liquid.

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