CN113483182A - Radon detector and ventilation device - Google Patents
Radon detector and ventilation device Download PDFInfo
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- CN113483182A CN113483182A CN202110782546.7A CN202110782546A CN113483182A CN 113483182 A CN113483182 A CN 113483182A CN 202110782546 A CN202110782546 A CN 202110782546A CN 113483182 A CN113483182 A CN 113483182A
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- air outlet
- air
- probe
- air inlet
- shell
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/08—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/14—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by one actuating member, e.g. a handle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K24/00—Devices, e.g. valves, for venting or aerating enclosures
- F16K24/04—Devices, e.g. valves, for venting or aerating enclosures for venting only
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/047—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/46—Mechanical actuating means for remote operation
- F16K31/465—Mechanical actuating means for remote operation by flexible transmission means, e.g. cable, chain, bowden wire
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/52—Mechanical actuating means with crank, eccentric, or cam
- F16K31/524—Mechanical actuating means with crank, eccentric, or cam with a cam
- F16K31/52475—Mechanical actuating means with crank, eccentric, or cam with a cam comprising a sliding valve
- F16K31/52483—Mechanical actuating means with crank, eccentric, or cam with a cam comprising a sliding valve comprising a multiple-way sliding valve
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/167—Measuring radioactive content of objects, e.g. contamination
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a radon measuring instrument and a ventilation device, wherein the ventilation device comprises a sealing body and an air outlet pipe, the sealing body is of a tubular structure, the air outlet pipe penetrates through the sealing body, and the hollow structure of the sealing body is in a step shape; the stepped arrangement is matched with a connecting structure of the air outlet probe and the sealing rod; because the sealing rod vertically moves up and down along the air outlet probe, the diameter of the sealing rod is matched with the diameter of the air outlet probe, so that the sealing rod can move without limitation while preventing gas from escaping.
Description
Technical Field
The invention relates to the technical field of radon measuring instruments, in particular to a radon measuring instrument and a ventilation device.
Background
Radon gas is a radioactive gas with a half-life of 3.824 days in the uranium family of the radioactive series; its first generation daughter 218Po had a half-life of 3.05min, the second generation daughter 2pb of 26.8min, and the third generation daughter 214Po of 26.8 min. The method for measuring radon by the balloon method is a rapid and accurate radon measuring method and has the characteristics of simplicity and convenience in operation, convenience in carrying, high sensitivity and the like. In the air suction stage, a filter membrane 1 is arranged at an air inlet, air is sucked into the balloon for 5 minutes at the speed of 30L/min, so that the radon daughter in the atmosphere is completely collected on the filter membrane 1, and the radon gas without the radon daughter enters the balloon; standing for 5 minutes to allow radon gas in the balloon to decay into a first generation daughter 218po thereof; in the exhaust stage, a filter membrane 2 is arranged at an air outlet, and the air is exhausted at the speed of 30L/min, so that the new decayed daughter of the radon gas in the balloon is collected on the filter membrane 2; a daughter measurement stage, wherein when the gas is exhausted for 2 minutes, the daughter collecting filter membrane 1 is placed into a probe for measurement, and the measurement time is 3 minutes; and in the radon gas measuring stage, the radon gas collecting filter membrane 2 is placed in a probe for measuring, and the measuring time is 10 minutes. The total radon measurement by the one-shot balloon method takes 26 minutes.
However, when the equipment is tested, when the air in multiple directions or multiple positions needs to be tested, the balloon is required to be detached and then installed during testing, the operation is complex, the balloon cannot be monitored simultaneously for multiple positions, and therefore the use is limited to a certain extent.
The radon measuring instrument in the prior art often has the risk of escaping when giving vent to anger gas, needs a neotype breather, when giving vent to anger, prevents that gas from escaping.
Therefore, it is necessary to provide a radon measuring instrument and a calibration method thereof to solve the above technical problems.
Disclosure of Invention
In order to solve the problems that in the prior art, when air in multiple directions or multiple positions needs to be tested, the balloon is often required to be disassembled and then installed during testing, the operation is complicated, and monitoring can not be performed on multiple positions at the same time, so that the use is limited to a certain extent, and the risk of escaping the air is often caused during air outlet, the invention provides the following technical scheme:
the ventilation device comprises a sealing body and an air outlet pipe, wherein the sealing body is of a tubular structure, the air outlet pipe penetrates through the sealing body, and the hollow structure of the sealing body is in a step shape. The ladder-shaped arrangement is matched with a connection structure of the air outlet probe and the sealing rod.
Preferably, the sealing body is internally provided with a rubber pad matched with the internal shape of the sealing body. The rubber pad makes the sealing rod slide more smoothly, and the service life of the device is prolonged.
A radon measuring instrument comprises the ventilation device and a main machine body, wherein a shell is arranged on the outer side of the main machine body, a plurality of sliding plates capable of sliding in sequence are arranged in the shell, and air cavities with variable volumes are formed on the left side and the right side of each sliding plate; the inside gliding actuating mechanism of drive slide that is provided with of shell, actuating mechanism corotation drives a plurality of slides and moves to one side simultaneously, actuating mechanism reversal drives single slide and slides to the opposite side in proper order, the outside of shell is provided with a plurality of air intakes and air outlets of mutually supporting, the slide slides in proper order and drives the outside air and enter into the inside wind chamber of shell through the air intake, because the slide forms sealed wind chamber with the shell, when the slide is inside when moving to the right side in the shell, the left space of slide increases, pressure reduces correspondingly, can make the air intake enter into the shell inside under the effect of external atmospheric pressure this moment, and when the slide moves left, can extrude the left wind chamber of the inside slide of shell, thereby make the inside air of wind chamber flow out through air outlet department.
Preferably, the air inlet and the air outlet comprise a first air inlet and a first air outlet which are arranged on one side of the shell and are matched with each other for use, a first air inlet probe is arranged at the first air inlet, and a first air outlet probe is arranged at the first air outlet; the second air inlet and the third air inlet are arranged on one side, far away from the first air inlet, of the top of the shell, a second air inlet probe is arranged at the second air inlet, and a third air inlet probe is arranged at the third air inlet; set up in second air outlet and the third air outlet that the shell bottom is close to first air intake one side, second air outlet department is provided with the second and gives vent to anger the probe, third air outlet department is provided with the third and gives vent to anger the probe, through the cooperation of first air intake probe and the first probe of giving vent to anger, can detect the air in one of them wind chamber, and on the same hand, the cooperation of giving vent to anger the probe through the second air intake probe and the second can detect the air that has the wind intracavity portion of a formation, so on and so on, can detect the air of a plurality of different directions or positions.
Preferably, the number of the ventilation devices is two, and the two ventilation devices are respectively sleeved at the bottom positions of the second air outlet probe and the third air outlet probe. When the air outlet probe is sleeved, the lower half part of the sealing body is in contact with the sealing rod, so that the air tightness is better.
Preferably, the two air outlet pipes correspond to the second air outlet and the third air outlet respectively. The corresponding air outlet position enables the air outlet to be smoother.
Preferably, the inner stepped structure of the air breather is divided into a large diameter and a small diameter, the diameter of the large diameter is matched with the diameters of the second air outlet probe and the third air outlet probe, and the diameter of the small diameter is matched with the diameter of the sealing rod of the second sealing lifting assembly. Because the sealing rod vertically moves up and down along the air outlet probe, the diameter of the sealing rod is matched with the diameter of the air outlet probe, so that the sealing rod can move without limitation while preventing gas from escaping.
Preferably, the rubber pad is provided with a snap ring which is in clamping connection with the second air outlet probe and the third air outlet probe in an annular shape at a position corresponding to the large diameter.
The ventilation device is organically combined with the vertical up-and-down movement of the sealing rod on the second air outlet probe and the third air outlet probe, so that air can be smoothly discharged under the condition of preventing the air from escaping.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic view of a second seal lifting assembly of the present invention;
FIG. 4 is a schematic view of the slide and air chamber configuration of the present invention;
FIG. 5 is a left side view of the present invention;
FIG. 6 is a front view of the present invention;
FIG. 7 is a schematic view of a first air intake probe of the present invention;
FIG. 8 is a schematic view of a first seal lifting assembly of the present invention;
FIG. 9 is an enlarged view of the portion A of FIG. 1 in accordance with the present invention;
FIG. 10 is an enlarged view of the portion B of FIG. 4 according to the present invention;
FIG. 11 is a schematic view of the connection of the vent apparatus of the present invention with a second vent probe and a second seal lifting assembly;
FIG. 12 is a cross-sectional view taken at C of FIG. 11 in accordance with the present invention;
figure 13 is a side view of the vent of the present invention.
In the figure: 1. a housing; 2. a slide plate; 201. a first slide plate; 202. a second slide plate; 203. a third slide plate; 3. a wind cavity; 4. an air inlet; 401. a first air inlet; 402. a second air inlet; 403. a third air inlet; 5. an air outlet; 501. a first air outlet; 502. a second air outlet; 503. a third air outlet; 6. a first air intake probe; 7. a first air outlet probe; 8. a second air intake probe; 9. a third air intake probe; 10. a second air outlet probe; 11. a third air outlet probe; 12. a baffle ring; 13. a first seal lifting assembly; 131. a sealing rod; 1311. a vent hole; 132. a support; 133. a cam; 134. a first spring; 14. a second seal lifting assembly; 15. a drive mechanism; 151. a screw rod; 152. a first bevel gear; 153. a drive shaft; 154. a second bevel gear; 155. a third bevel gear; 156. a horizontal axis; 157. a gear reducer; 158. a connecting rod; 159. pressing a plate; 1510. a U-shaped extrusion plate; 1511. a second spring; 16. a support frame; 17. a slide rail; 18. a slider; 19. a limiting spring; 20. a first belt; 21. a rotating shaft; 22. a long axis; 23. a second belt; 24. a base plate; 25. a fixed mount; 26. a breather device; 2601. a seal body; 2602. large diameter; 2603. a minor diameter; 2604. a rubber pad; 2605. a snap ring; 2606. and an air outlet pipe.
Detailed Description
The ventilation device comprises a sealing body 2601 and an air outlet pipe 2606, wherein the sealing body 2601 is of a tubular structure, the air outlet pipe 2606 penetrates through the sealing body 2601, and the hollow structure of the sealing body 2601 is in a step shape. The ladder-shaped arrangement is matched with a connection structure of the air outlet probe and the sealing rod.
Specifically, a rubber pad 2604 adapted to the inner shape of the sealing body 2601 is provided inside the sealing body 2601. The rubber pad makes the sealing rod slide more smoothly, and the service life of the device is prolonged.
A radon measuring instrument comprises the ventilation device 26 and a main machine body, wherein a shell is arranged on the outer side of the main machine body, a plurality of sliding plates capable of sliding in sequence are arranged in the shell, and air cavities with variable volumes are formed on the left side and the right side of each sliding plate; the inside gliding actuating mechanism of drive slide that is provided with of shell, actuating mechanism corotation drives a plurality of slides and moves to one side simultaneously, actuating mechanism reversal drives single slide and slides to the opposite side in proper order, the outside of shell is provided with a plurality of air intakes and air outlets of mutually supporting, the slide slides in proper order and drives the outside air and enter into the inside wind chamber of shell through the air intake, because the slide forms sealed wind chamber with the shell, when the slide is inside when moving to the right side in the shell, the left space of slide increases, pressure reduces correspondingly, can make the air intake enter into the shell inside under the effect of external atmospheric pressure this moment, and when the slide moves left, can extrude the left wind chamber of the inside slide of shell, thereby make the inside air of wind chamber flow out through air outlet department.
Specifically, the air inlet and the air outlet comprise a first air inlet and a first air outlet which are arranged on one side of the shell and matched with each other, a first air inlet probe is arranged at the first air inlet, and a first air outlet probe is arranged at the first air outlet; the second air inlet and the third air inlet are arranged on one side, far away from the first air inlet, of the top of the shell, a second air inlet probe is arranged at the second air inlet, and a third air inlet probe is arranged at the third air inlet; set up in second air outlet and the third air outlet that the shell bottom is close to first air intake one side, second air outlet department is provided with the second and gives vent to anger the probe, third air outlet department is provided with the third and gives vent to anger the probe, through the cooperation of first air intake probe and the first probe of giving vent to anger, can detect the air in one of them wind chamber, and on the same hand, the cooperation of giving vent to anger the probe through the second air intake probe and the second can detect the air that has the wind intracavity portion of a formation, so on and so on, can detect the air of a plurality of different directions or positions.
Specifically, the number of the ventilation devices 26 is two, and the two ventilation devices 26 are respectively sleeved at the bottom positions of the second air outlet probe and the third air outlet probe. When the air outlet probe is sleeved, the lower half part of the sealing body is in contact with the sealing rod, so that the air tightness is better.
Specifically, the positions of the two outlet pipes 2606 correspond to the second air outlet and the third air outlet, respectively. The corresponding air outlet position enables the air outlet to be smoother.
Specifically, the inner stepped structure of the air breather 26 is divided into a large diameter 2602 and a small diameter 2603, the diameter of the large diameter 2602 is matched with the diameters of the second air outlet probe and the third air outlet probe, and the diameter of the small diameter 2603 is matched with the diameter of the sealing rod of the second sealing lifting assembly. Because the sealing rod vertically moves up and down along the air outlet probe, the diameter of the sealing rod is matched with the diameter of the air outlet probe, so that the sealing rod can move without limitation while preventing gas from escaping.
Specifically, a snap ring 2605 clamped with the second air outlet probe and the third air outlet probe is annularly arranged at a position of the rubber pad 2604 corresponding to the major diameter 2602.
Specifically, the host computer body includes shell 1, and 1 inside a plurality of slidable slides 2 that are provided with of shell forms the changeable wind chamber of volume 3 in slide 2's the left and right sides, and the host computer body outside is provided with air intake 4 and air outlet 5 of mutually supporting, mainly is: the air conditioner comprises a first air inlet 401 and a first air outlet 501 which are arranged on one side of a shell 1 and matched with each other, wherein a first air inlet probe 6 is arranged at the first air inlet 401, a first air outlet probe 7 is arranged at the first air outlet 501, a first one-way valve is arranged at the first air inlet probe 6, so that external air can enter the shell 1 in a one-way mode, and a second one-way valve is arranged at the first air outlet probe 7, so that the air in the shell 1 can flow to the outside of the shell 1 in a one-way mode; a second air inlet 402 and a third air inlet 403 which are arranged on one side of the top of the shell 1 far away from the first air inlet 401, wherein a second air inlet probe 8 is arranged at the second air inlet 402, and a third air inlet probe 9 is arranged at the third air inlet 403; the second air outlet 502 and the third air outlet 503 are arranged at the bottom of the housing 1 and are close to one side of the first air inlet 401, the second air outlet 502 is provided with the second air outlet probe 10, the third air outlet 503 is provided with the third air outlet probe 11, because the sliding plate 2 and the housing 1 form the sealed air cavity 3, when the sliding plate 2 moves towards the right side in the housing 1, the space at the left side of the sliding plate 2 is increased, the pressure is correspondingly reduced, at the moment, air can be promoted to enter the housing 1 through the first air inlet probe 6 at the first air inlet 401 under the action of external atmospheric pressure, and when the sliding plate 2 moves towards the left, the air cavity 3 at the left side of the sliding plate 2 in the housing 1 can be squeezed, so that the air inside the air cavity 3 flows out through the first air outlet probe 7 at the first air outlet 501.
Specifically, the sliding plate 2 comprises a first sliding plate 201, a second sliding plate 202 and a third sliding plate 203 which are arranged from left to right in sequence, and a baffle ring 12 is arranged on each of the opposite sides of the sliding plate 2, and the baffle ring 12 penetrates through the sliding plate 2 and is fixedly connected with the sliding plate 2;
specifically, a first sealing lifting assembly 13 for sequentially sealing the second air inlet probe 8 and the third air inlet probe 9 is arranged at the bottom ends of the second air inlet probe 8 and the third air inlet probe 9, and a second sealing lifting assembly 14 for sequentially sealing the second air outlet probe 10 and the third air outlet probe 11 is arranged at the bottom ends of the second air outlet probe 10 and the third air outlet probe 11;
specifically, the inside of the housing 1 is provided with the driving mechanism 15 for driving the sliding plate 2 to move inside the housing 1, the driving mechanism 15 can drive the first sliding plate 201, the second sliding plate 202 and the third sliding plate 203 to move to the right side at the same time, and can drive the first sliding plate 201, the second sliding plate 202 and the third sliding plate 203 to move to the left side in turn during the return stroke, when the driving mechanism 15 drives the first sliding plate 201, the second sliding plate 202 and the third sliding plate 203 to move to the left side at the same time to the limit position, the air cavity 3 on the left side of the first sliding plate 201 becomes large, air flows to the inside of the housing 1 under the action of external air pressure, at this time, during the return stroke, the first sliding plate 201 moves to the left side first, while the second sliding plate 202 and the third sliding plate 203 remain stationary at the home position, and at this time, the first seal lifting assembly 13 can open the second air inlet probe 8 at the second air inlet, so, when the first sliding plate 201 moves to the left side, air in the air cavity 3 at the left side of the first sliding plate 201 can be discharged through the first air outlet probe 7 at the first air outlet, and the air cavity 3 at the right side of the first sliding plate 201 is enlarged, at this time, external air is enabled to enter the interior of the housing 1 through the second air inlet probe 8 at the second air inlet under the action of external pressure, when the first sliding plate 201 moves to the left side to the extreme position, the second sliding plate 202 starts to move to the left side, at this time, the first sealing and lifting assembly 13 opens the third air inlet probe 9 at the third air inlet, and the second air outlet probe 10 at the second air outlet is opened through the second sealing and lifting assembly 14, at this time, when the second left side moves, the air cavity 3 at the left side of the second sliding plate 202 is reduced, air at the left side of the second sliding plate 202 can be squeezed and discharged through the opened second air outlet probe 10, and the air cavity 3 at the right side of the second sliding plate 202 is enlarged, the third air inlet probe 9 which is opened can promote the outside air to enter the inside of the shell 1 and is arranged between the second sliding plate 202 and the third sliding plate 203, when the second sliding plate 202 moves to the left side to the extreme position, the third sliding plate 203 starts to move to the left, at the same time, the third air outlet probe 11 at the third air outlet is opened through the second sealing and lifting assembly 14, therefore, when the third sliding plate 203 moves to the left, the air in the left air cavity 3 can be discharged through the opened third air outlet probe 11, the structure is mutually matched with the first air outlet probe 7 through the first air inlet probe 6, the first sliding plate 201, the second sliding plate 202 and the inner wall of the shell 1 form an air cavity 3, so that the air which enters from the first air inlet probe 6 is discharged from the first air outlet probe 7, and similarly, the second sliding plate 202, the third sliding plate 203 and the inner wall of the shell 1 form an air cavity 3, so that the air which enters from the second air inlet probe 8 is discharged from the second air outlet probe 10, the third air inlet probe 9 and the third air outlet probe 11 are also in a similar air inlet and exhaust mode, when in actual use, when only one or one direction of air needs to be detected, the driving mechanism 15 is used for driving only the first sliding plate 201 to move leftwards, at this time, the sucked air is stored in the air cavity 3 formed by the first sliding plate 201, the second sliding plate 202 and the inner wall of the shell 1, and is exhausted from the first air outlet probe 7 after a period of time when radon decays, one end of each of the first air inlet probe 6, the second air inlet probe 8 and the third air inlet probe 9 is provided with a first filter membrane, one end of each of the first air outlet probe 7, the second air outlet probe 10 and the third air outlet probe 11 is provided with a second filter membrane, which can filter the inlet and outlet air flows, so as to detect the gas molecules in the air cavity 3, and similarly, when two or more than two places of air need to be detected, the second sliding plate 202 and the third sliding plate 203 can be driven to move leftwards, and then the sucked air is stored in the air cavity 3 formed by the first sliding plate 201, the second sliding plate 202 and the inner wall of the shell 1 and the air cavity 3 formed by the second sliding plate 202, the third sliding plate 203 and the inner wall of the shell 1, so that the detection of the air at multiple positions is completed.
Specifically, each of the first sealing lifting assembly 13 and the second sealing lifting assembly 14 includes a sealing rod 131 and a bracket 132, the bottom of the sealing rod 131 is provided with a cavity and a vent hole 1311 is provided on the outer side of the sealing rod 131, the bracket 132 is fixedly connected to one end of the sealing rod 131 far away from the housing 1, the bracket 132 is distributed oppositely and is provided with two mutually matched cams 133 on the inner side of the bracket 132, the two mutually matched cams 133 are driven by a driving mechanism 15 to operate, the second air intake probe 8 and the third air intake probe 9 can be opened in sequence through the matching of the two cams 133, the sealing rod 131 is provided on one end of the first air intake probe 6 and one end of the second air intake probe 8 far away from the housing 1 and is connected with the first air intake probe 6 and the second air intake probe 8 in a sliding manner, normally, the vent hole 1311 on the outer side of the sealing rod 131 is disposed inside the first air intake probe 6 and the second air intake probe 8, a support seat is arranged on the outer side of the sealing rod 131, the support seat is fixedly connected to the top of the shell 1, the sealing rod 131 penetrates through the support seat and is in sliding connection with the support seat, a first spring 134 is arranged on the outer side of the sealing rod 131, and the first spring 134 is arranged between the bracket 132 and the support seat;
specifically, the bracket 132 is U-shaped, the driving mechanism 15 drives the two cams 133 which are matched with each other to rotate, the cams 133 rotate to squeeze the U-shaped bracket 132, so as to drive the bracket 132 to move upwards, the bracket 132 can drive the sealing rod 131 to move upwards, so as to bring the vent hole 1311 on one of the sealing rods 131 out of the interior of the second air intake probe 8, so that the second air intake probe 8 is communicated with the outside air, at this time, when the first sliding plate 201 slides leftwards, the outside air can be sucked into the interior of the housing 1 through the first air intake probe 6, when the cams 133 gradually remove the squeezing of the bracket 132, the bracket 132 and the sealing rod 131 at the bottom thereof can be driven to move downwards under the pulling force of the first spring 134, at this time, the sealing rod 131 can seal the second air intake probe 8 again, when the driving mechanism 15 continues to operate to drive the second sliding plate 202 to move leftwards, another cam 133 can extrude the bracket 132 on the outer side of the bracket, and in a similar manner, the vent on the sealing rod 131 can be driven to move to the outer side of the third air inlet probe 9, and at this time, the driving mechanism 15 also drives the bracket 132 to move downwards through the cam 133 on the bottom of the housing 1, so that the sealing rod 131 at the second air outlet probe 10 moves downwards, the second air outlet probe 10 can be opened, at this time, the second sliding plate 202 moves leftwards, air in the air cavity 3 between the first sliding plate 201 and the second sliding plate 202 can be discharged through the second air outlet probe 10, new air can enter the housing 1 through the third air inlet probe 9, the second air inlet probe 8 and the third air inlet probe 9 can be opened in sequence through the above structures, and the second air outlet probe 10 and the third air outlet probe 11 are favorable for continuously detecting excess air.
Specifically, the driving mechanism 15 includes a screw rod 151 disposed inside the housing 1, the screw rod 151 sequentially penetrates through the first sliding plate 201, the second sliding plate 202 and the third sliding plate 203, and is in threaded connection with the retainer rings 12 on the first sliding plate 201, the second sliding plate 202 and the third sliding plate 203, one end of the screw rod 151 penetrates through the housing 1 and is provided with a first bevel gear 152 at one end thereof, one side of the housing 1 is provided with a motor, an output end of the motor is provided with a transmission shaft 153, a second bevel gear 154 engaged with the first bevel gear 152 is disposed on the top of the transmission shaft 153, a third bevel gear 155 is disposed on the top of the second bevel gear 154 and is matched with the first bevel gear 152, a lateral shaft 156 is disposed on one side of the third bevel gear 155, a gear reducer 157 is disposed on one end of the lateral shaft 156 away from the third bevel gear 155, a connecting rod 158 extends from one side of the gear reducer 157, and a pressing plate 159 is disposed on one end of the connecting rod 158, the connecting rod 158 penetrates through the pressing plate 159 and is in threaded connection with the pressing plate 159, a U-shaped extrusion plate 1510 is arranged on one side of the shell 1, the U-shaped extrusion plate 1510 penetrates through the shell 1 and is in sliding connection with the shell 1, one side, extending to the interior of the shell 1, of the U-shaped extrusion plate 1510 is in contact with the third sliding plate 203, the connecting rod 158 penetrates through the U-shaped extrusion plate 1510 and is in sliding connection with the U-shaped extrusion plate 1510, and a second spring 1511 is arranged between the pressing plate 159 and the U-shaped extrusion plate 1510.
Specifically, two sides of the pressing plate 159 are provided with supporting frames 16, one side of the supporting frame 16 opposite to the supporting frame is provided with a sliding rail 17, two sides of the pressing plate 159 are provided with sliding blocks 18 matched with the sliding rail 17, and the sliding blocks 18 are slidably connected inside the sliding rail 17.
Specifically, the output end of the motor drives the transmission shaft 153 to rotate, the first bevel gear 152 is engaged with the second bevel gear 154 to drive the screw rod 151 to rotate, the screw rod 151 is rotated to drive the sliding plate 2 to slide in the housing 1, the first sliding plate 201, the second sliding plate 202 and the third sliding plate 203 are driven to move to the rightmost side by the screw rod 151, meanwhile, the engagement of the first bevel gear 152 and the third bevel gear 155 can drive the horizontal shaft 156 to rotate, the horizontal shaft 156 can drive the connecting rod 158 to rotate by the gear reducer 157, the connecting rod 158 is in threaded connection with the pressing plate 159, and the connecting rod 158 is rotated by the cooperation of the slide block 18 and the slide rail 17 to drive the pressing plate 159 to move to the left side, so as to extrude the U-shaped extrusion plate 1510 by the spring, the U-shaped extrusion plate 1510 can extrude the third sliding plate 203, by this structure, when the screw rod 151 reversely rotates to drive the first sliding plate 201 to move to the leftmost side, the connecting rod 158 drives the U-shaped pressing plate 1510 to press the screw threads on the screw rod 151 to engage the second sliding plate 202 by pressing the third sliding plate 203, so as to drive the second sliding plate 202 to move leftward, which is favorable for driving the first sliding plate 201, the second sliding plate 202 and the third sliding plate 203 to move leftward in sequence.
Specifically, be provided with the spring holder at the left end of lead screw 151, the inside spacing spring 19 that is provided with of spring holder, when all backplate movements were to the leftmost side, can extrude slide 2 through spacing spring 19 to make the third slide 203 on rightmost side mesh with lead screw 151 mutually, be favorable to driving slide 2 and reset.
Specifically, shell 1 top is provided with pivot 21, at the equal fixedly connected with first band pulley in the outside of pivot 21 and connecting rod 158, and the outside cover of first band pulley is equipped with first belt 20, and wherein the support 132 outside that intersects with pivot 21 is provided with first logical groove, and pivot 21 passes first logical groove, and pivot 21 runs through cam 133 and with cam 133 fixed connection.
Specifically, a long shaft 22 is disposed at the bottom end of the housing 1, second through grooves are disposed on the outer sides of the two brackets 132 intersecting with the long shaft 22, the long shaft 22 passes through the second through grooves and is fixedly connected with the cam 133, a second belt pulley is disposed between the long shaft 22 and the connecting rod 158, and a second belt 23 is disposed on the outer side of the second belt pulley.
Specifically, make connecting rod 158 can drive pivot 21 through first belt 20 and rotate, and then drive the cam 133 rotation at shell 1 top, can drive sealing rod 131 outside lateral movement through cam 133, and then make outside air enter into inside the shell 1, and in the same way, the motion through major axis 22 can pull out sealing rod 131 outside the bottom of shell 1, and then makes the inside air escape of shell 1.
Specifically, for installation needs, a bottom plate 24 is arranged at the bottom of the housing 1, support legs are fixedly connected between the bottom plate 24 and the housing 1, a fixing frame 25 is arranged outside the support frame 16, a connecting rod 158 penetrates through the fixing frame 25 and is rotatably connected with the fixing frame 25, calibration ports are arranged on the front side and the rear side of the housing 1, an air detection meter is arranged at the top of the housing 1, a guide rod is arranged on one side of the housing 1 and penetrates through the U-shaped extrusion plate 1510 and is slidably connected with the U-shaped extrusion plate 1510.
Claims (8)
1. An aeration device characterized by: the sealing structure comprises a sealing body and an air outlet pipe, wherein the sealing body is of a tubular structure, the air outlet pipe penetrates through the sealing body, and the hollow structure of the sealing body is in a step shape.
2. An aeration device according to claim 1 wherein: the inside of seal is equipped with the rubber pad rather than inside shape adaptation.
3. A radon measuring instrument is characterized in that: the ventilator comprises the ventilator according to claim 1 and a main body, wherein the outer side of the main body is provided with a shell, a plurality of sliding plates which can slide in sequence are arranged in the shell, and the left side and the right side of each sliding plate form an air cavity with variable volume; the shell is internally provided with a driving mechanism for driving the sliding plates to slide, the driving mechanism positively rotates to drive the plurality of sliding plates to move towards one side simultaneously, the driving mechanism reversely rotates to drive the single sliding plate to slide towards the other side in sequence, the outer side of the shell is provided with a plurality of air inlets and air outlets which are matched with each other, and the sliding plates sequentially slide to drive external air to enter the air cavity inside the shell through the air inlets.
4. The radon measuring instrument in accordance with claim 3, wherein: the air inlet and the air outlet comprise a first air inlet and a first air outlet which are arranged on one side of the shell and matched with each other, a first air inlet probe is arranged at the first air inlet, and a first air outlet probe is arranged at the first air outlet; the second air inlet and the third air inlet are arranged on one side, far away from the first air inlet, of the top of the shell, a second air inlet probe is arranged at the second air inlet, and a third air inlet probe is arranged at the third air inlet; and the second air outlet and the third air outlet are arranged at one side of the bottom of the shell, which is close to the first air inlet, the second air outlet is provided with a second air outlet probe, and the third air outlet is provided with a third air outlet probe.
5. The emanometer of claim 4, wherein: the number of the ventilating devices is two, and the two ventilating devices are respectively sleeved at the bottom positions of the second air outlet probe and the third air outlet probe.
6. The emanometer of claim 5, wherein: the positions of the two air outlet pipes correspond to the second air outlet and the third air outlet respectively.
7. The emanometer of claim 4, wherein: the inner stepped structure of the ventilation device is divided into a large diameter and a small diameter, the diameter of the large diameter is matched with the diameters of the second air outlet probe and the third air outlet probe, and the diameter of the small diameter is matched with the diameter of the sealing rod of the second sealing lifting assembly.
8. The emanometer of claim 4, wherein: the rubber pad corresponds the ring-shaped snap ring that is equipped with in the position of major diameter just with the joint of the probe of giving vent to anger of second with the probe of giving vent to anger of third.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110782546.7A CN113483182B (en) | 2021-07-12 | 2021-07-12 | Radon measuring instrument and ventilation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110782546.7A CN113483182B (en) | 2021-07-12 | 2021-07-12 | Radon measuring instrument and ventilation device |
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| CN113483182A true CN113483182A (en) | 2021-10-08 |
| CN113483182B CN113483182B (en) | 2023-09-05 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130249206A1 (en) * | 2012-03-23 | 2013-09-26 | Wu-Chiao Chou | Retractable pipe assembly of air blow gun |
| CN205503408U (en) * | 2016-04-11 | 2016-08-24 | 长沙经济技术开发区祥原动力供应有限公司 | Complemental energy -conserving multicavity air compressor of multicavity |
| CN107725828A (en) * | 2017-10-18 | 2018-02-23 | 费先艳 | The Extensible water tap of hydraulic pressure regulation and control |
| CN208341330U (en) * | 2018-04-27 | 2019-01-08 | 成都市华测检测技术有限公司 | A kind of use for laboratory exhaust apparatus |
| CN208984611U (en) * | 2018-11-03 | 2019-06-14 | 包头铁道职业技术学院 | A kind of atmosphere pollution detection device |
| CN110230714A (en) * | 2019-07-09 | 2019-09-13 | 哈尔滨华夏蓝途科技有限公司 | A kind of gas distributing device |
-
2021
- 2021-07-12 CN CN202110782546.7A patent/CN113483182B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130249206A1 (en) * | 2012-03-23 | 2013-09-26 | Wu-Chiao Chou | Retractable pipe assembly of air blow gun |
| CN205503408U (en) * | 2016-04-11 | 2016-08-24 | 长沙经济技术开发区祥原动力供应有限公司 | Complemental energy -conserving multicavity air compressor of multicavity |
| CN107725828A (en) * | 2017-10-18 | 2018-02-23 | 费先艳 | The Extensible water tap of hydraulic pressure regulation and control |
| CN208341330U (en) * | 2018-04-27 | 2019-01-08 | 成都市华测检测技术有限公司 | A kind of use for laboratory exhaust apparatus |
| CN208984611U (en) * | 2018-11-03 | 2019-06-14 | 包头铁道职业技术学院 | A kind of atmosphere pollution detection device |
| CN110230714A (en) * | 2019-07-09 | 2019-09-13 | 哈尔滨华夏蓝途科技有限公司 | A kind of gas distributing device |
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| CN113483182B (en) | 2023-09-05 |
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