CN113267530A - Oxygen content detection alarm device for tunnel interior - Google Patents
Oxygen content detection alarm device for tunnel interior Download PDFInfo
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- CN113267530A CN113267530A CN202110545697.0A CN202110545697A CN113267530A CN 113267530 A CN113267530 A CN 113267530A CN 202110545697 A CN202110545697 A CN 202110545697A CN 113267530 A CN113267530 A CN 113267530A
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- movably connected
- rod
- movable connection
- alarm device
- oxygen content
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
- G01N25/22—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/02—Audible signalling systems; Audible personal calling systems using only mechanical transmission
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
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- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Business, Economics & Management (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
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- Emergency Alarm Devices (AREA)
Abstract
The invention relates to the technical field of oxygen detection, and discloses an oxygen content detection alarm device for the interior of a tunnel, which comprises a shell, wherein a supporting rod is movably connected inside the shell, a rotating shaft is movably connected inside the supporting rod, fan blades are movably connected outside the rotating shaft, the upper ends of the fan blades are movably connected with a driving wheel, a heating wire is movably connected inside a gas collection cavity, a discharge hole is movably connected inside a combustion chamber, the lower end of a pressing plate is movably connected with a trigger block, a sliding rack is movably connected outside the shell, a sector gear is movably connected outside the sliding rack, a swing rod is movably connected outside the sector gear, and a knocking hammer is movably connected outside a hinge rod. The device has can detect the inside oxygen concentration in tunnel, crosses when low when concentration, sends the police dispatch newspaper sound to remind constructor, avoid accident's emergence, guarantee life safety's advantage.
Description
Technical Field
The invention relates to the technical field of oxygen detection, in particular to an oxygen content detection alarm device for the interior of a tunnel.
Background
With the rapid development of economy in China, the rapid improvement of the urbanization level is accelerated, and the construction of urban subways is accelerated. Tunnel engineering belongs to underground structures, and underground structures are various, and construction methods and technologies for constructing underground structures are also various. The tunnel is characterized in that the longitudinal length is several meters to dozens of kilometers, the section is relatively small, generally the height is 5-6 m, the width is 5 to dozens of meters, the construction of the subway tunnel is mostly manufactured by more high-end equipment, and various technical problems and various potential safety hazards exist during the construction of the subway tunnel. Constructors construct in the subway tunnel, when the subway tunnel is far away from the ground and constructors are more, the oxygen concentration in the subway tunnel is low, and the constructors do not know that the oxygen concentration in the subway tunnel is too low, and continue to construct, so that safety accidents are easy to happen, and the result which is difficult to imagine is caused.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the oxygen content detection alarm device for the interior of the tunnel, which has the advantages that the oxygen concentration in the tunnel can be detected, and when the concentration is too low, an alarm sound is given out, so that constructors are reminded, accidents are avoided, and the life safety is guaranteed.
Technical scheme
In order to realize the advantages, the invention provides the following technical scheme: an oxygen content detection alarm device for the interior of a tunnel comprises a shell, wherein a supporting rod is movably connected inside the shell, a rotating shaft is movably connected inside the supporting rod, fan blades are movably connected outside the rotating shaft, a driving wheel is movably connected at the upper end of each fan blade, a driving belt is movably connected outside the driving wheel, a motor is movably connected outside the driving wheel, a filter screen is movably connected inside the shell, a spring column is movably connected inside the shell, a gas collection cavity is movably connected outside the spring column, a heating wire is movably connected inside the gas collection cavity, a hinge frame is movably connected outside the heating wire, a screw rod is movably connected inside the hinge frame, a combustion chamber is movably connected inside the gas collection cavity, a discharge port is movably connected inside the combustion chamber, a material storage pipe is movably connected at the upper end of the discharge port, the utility model discloses a fuel gas stove, including combustion chamber, blast pipe, fan-shaped gear, swing joint, the outside swing joint of fan-shaped gear has the pendulum rod, the outside swing joint of fan-shaped gear has the pulley, the outside swing joint of pulley has irregular runner, the outside swing joint of pendulum rod has the magnetic path, the outside swing joint of shell has the hinge bar, the outside swing joint of hinge bar has the striking hammer.
Preferably, the motor is movably connected to the outside of the screw, and the heating wire penetrates through two sides of the gas collection cavity, so that the heating wire can be in close contact with fuel, and the fuel is ignited.
Preferably, the position of filter screen is in the middle of gas collection chamber and flabellum, and the flabellum is in the inside of air inlet, makes oxygen more concentrate and a large amount of insides that enter into the gas collection chamber, can prevent debris such as dust from entering simultaneously.
Preferably, the sector gear and the irregular rotating wheel are both connected with the reciprocating rod, the motor is movably connected to the outer portion of the irregular rotating wheel and drives the irregular rotating wheel to rotate, and therefore the reciprocating rod moves up and down to drive the oscillating rod to reciprocate.
Preferably, the left side of the hinged rod is movably connected with two groups of magnetic blocks, and when the oscillating rod reciprocates, the magnetic blocks are close to each other so as to drive the hinged rod to move.
Preferably, the position corresponding to the knocking hammer is movably connected with a metal sheet, and the knocking hammer strikes the metal sheet to make a sound, so that constructors are reminded.
Preferably, the hinge rod is connected on the upper side and the lower side of the same supporting plate, so that the knocking frequency is more frequent, and the alarm is more obvious.
Preferably, the trigger block is electrically connected with a motor externally connected with the irregular rotating wheel.
Advantageous effects
Compared with the prior art, the invention provides an oxygen content detection alarm device for the interior of a tunnel, which has the following beneficial effects:
1. this tunnel is inside to use oxygen content detection alarm device, through the cooperation use of flabellum, rotation axis, combustion chamber, heater strip and discharge gate, the flabellum increases the oxygen inlet volume of oxygen, for fuel can provide the condition in the inside normal combustion of combustion chamber, the hot gas flow of production enters into the gasbag to reach the content that is higher than the human oxygen standard and go to test, thereby reach the effect that improves measuring security and accuracy.
2. This tunnel is inside to use oxygen content detection alarm device, through triggering the piece, the pendulum rod, the magnetic path, the articulated arm is used with the cooperation of knocking the hammer, the outside swing joint of pendulum rod has the magnetic path, there is the articulated arm in the outside swing joint of backup pad simultaneously, the outside swing joint of articulated arm has the magnetic path, the outside swing joint of articulated arm has the hammer of knocking, thereby it starts the motion to drive the articulated arm when the motion of magnetic path to drive the pendulum rod and makes to knock the hammering and beat the outside sheetmetal of backup pad and make sound, thereby reach and remind constructor oxygen concentration not enough effect.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the hinge rod connection structure of the present invention;
FIG. 3 is a schematic view of the gas collection chamber connection structure of the present invention;
FIG. 4 is a schematic view of the structure of part A of FIG. 1 according to the present invention.
In the figure: 1. a housing; 2. a support bar; 3. a rotating shaft; 4. a fan blade; 5. a drive wheel; 6. a transmission belt; 7. a motor; 8. filtering with a screen; 9. a spring post; 10. a gas collection cavity; 11. heating wires; 12. a hinged frame; 13. a screw; 14. a combustion chamber; 15. a discharge port; 16. a storage pipe; 17. an exhaust pipe; 18. an air bag; 19. a pressure lever; 20. pressing a plate; 21. a trigger block; 22. a sliding rack; 23. a sector gear; 24. a swing rod; 25. a pulley; 26. an irregular rotating wheel; 27. a magnetic block; 28. a hinged lever; 29. knocking hammer.
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 fig. 1-4, an oxygen content detecting and alarming device for tunnel interior comprises a housing 1, a support rod 2 movably connected to the housing 1, a rotation shaft 3 movably connected to the housing 2, a fan blade 4 movably connected to the rotation shaft 3, a driving wheel 5 movably connected to the upper end of the fan blade 4, a transmission belt 6 movably connected to the driving wheel 5, a motor 7 movably connected to the driving wheel 5, a filter screen 8 movably connected to the housing 1, a spring column 9 movably connected to the housing 1, a gas collecting chamber 10 movably connected to the spring column 9, a filter screen 8 located between the gas collecting chamber 10 and the fan blade 4, and a fan blade 4 located inside the gas inlet, so that oxygen is concentrated and a large amount of oxygen enters the gas collecting chamber 10, and simultaneously, dust and other impurities are prevented from entering, a heating wire 11 movably connected to the gas collecting chamber 10, the external part of the heating wire 11 is movably connected with a hinged frame 12, the internal part of the hinged frame 12 is movably connected with a screw 13, the external part of the screw 13 is movably connected with a motor 7, and the heating wire 11 penetrates through two sides of a gas collection cavity 10, so that the heating wire 11 can be in close contact with fuel, so that the fuel is ignited, the internal part of the gas collection cavity 10 is movably connected with a combustion chamber 14, the internal part of the combustion chamber 14 is movably connected with a discharge hole 15, the upper end of the discharge hole 15 is movably connected with a storage pipe 16, the upper end of the combustion chamber 14 is movably connected with an exhaust pipe 17, the upper end of the exhaust pipe 17 is movably connected with an air bag 18, the upper end of the air bag 18 is movably connected with a pressure rod 19, the upper end of the pressure rod 19 is movably connected with a pressure plate 20, the lower end of the pressure plate 20 is movably connected with a trigger block 21, the external part of the shell 1 is movably connected with a sliding rack 22, the external part of the sliding rack 22 is movably connected with a sector gear 23, and the external part of the sector gear 23 is movably connected with a swing rod 24, the outer part of the sector gear 23 is movably connected with a pulley 25, the outer part of the pulley 25 is movably connected with an irregular rotating wheel 26, the sector gear 23 and the irregular rotating wheel 26 are both connected with a reciprocating rod, the outer part of the irregular rotating wheel 26 is movably connected with a motor 7, the motor 7 drives the irregular rotating wheel 26 to rotate, so that the reciprocating rod moves up and down to drive a swing rod 24 to reciprocate, the outer part of the swing rod 24 is movably connected with magnetic blocks 27, the outer part of the shell 1 is movably connected with hinged rods 28, the hinged rods 28 are connected to the upper side and the lower side of the same supporting plate, so that the knocking frequency is more frequent, the alarm is more obvious, the left side of the hinged rod 28 is movably connected with the magnetic blocks 27, the hinged rods 28 are provided with two groups, when the swing rod 24 reciprocates, the magnetic blocks 27 are close to drive the hinged rods 28 to move, the outer part of the hinged rods 28 is movably connected with a knocking hammer 29, and the position corresponding to the knocking hammer 29 is movably connected with a metal sheet, the knocking hammer 29 strikes the metal sheet to make a sound, thereby alerting a constructor.
The working principle is as follows: when the device is used, the motor 7 is connected with a power supply, the device is moved to a position to be detected, a switch of the motor 7 is turned on, so that the motor 7 starts to operate, the motor 7 operates to drive the driving wheel 5 to rotate, the driving belt 6 sleeved outside the driving wheel 5 also starts to rotate to drive the driving wheel 5 at the other end, so that the rotating shaft 3 inside the driving wheel 5 starts to rotate, and the fan blade 4 is movably connected outside the rotating shaft 3, so that the fan blade 4 starts to rotate to increase the air inflow, air enters the air collecting cavity 10 through the air inlet, meanwhile, the motor 7 starts to drive the screw 13 to rotate, so that the hinged frame 12 expands towards two sides, the heating wire 11 extends into the combustion chamber 14, the discharge hole 15 starts to discharge fuel into the combustion chamber 14, when the oxygen concentration is sufficient, the heating wire 11 heats up to the ignition point of the fuel so as to start the combustion of the fuel to generate hot air flow, the air bag 18 is inflated through the exhaust pipe 17 at the upper end of the air collecting cavity 10 to drive the pressure rod 19 and the pressure plate 20 to move upwards, the trigger block 21 is not contacted, when the oxygen concentration is insufficient, in order to generate hot air, at the moment, the pressure rod 19 presses the air bag 18 downwards due to the gravity of the pressure plate 20 and the pressure rod 19, the contact block below the pressure plate 20 is contacted, the trigger block 21 is in electrical connection with the motor 7 outside the irregular rotating wheel 26, so that the irregular rotating wheel 26 rotates, the extrusion pulley 25 drives the reciprocating rod to move upwards and downwards, the sector gear 23 is movably connected outside the reciprocating rod, the swing rod 24 is movably connected outside the sector gear 23, the swing rod 24 is driven by the movement of the reciprocating rod to start moving, the magnetic block 27 is movably connected outside the swing rod 24, the hinged rod 28 is movably connected outside the support plate, the magnetic block 27 is movably connected outside the hinged rod 28, the external part of the hinged rod 28 is movably connected with a knocking hammer 29, and when the swing rod 24 drives the magnetic block 27 to move, the hinged rod 28 is driven to start moving, so that the knocking hammer 29 strikes a metal sheet outside the supporting plate to make a sound, and therefore constructors are reminded of the fact that the oxygen concentration is insufficient, and the life is protected.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an inside oxygen content detection alarm device that uses of tunnel, includes shell (1), its characterized in that: the inner movable connection of the shell (1) is provided with a support rod (2), the inner movable connection of the support rod (2) is provided with a rotating shaft (3), the outer movable connection of the rotating shaft (3) is provided with fan blades (4), the upper end of the fan blades (4) is movably connected with a drive wheel (5), the outer movable connection of the drive wheel (5) is provided with a drive belt (6), the outer movable connection of the drive wheel (5) is provided with a motor (7), the inner movable connection of the shell (1) is provided with a filter screen (8), the inner movable connection of the shell (1) is provided with a spring column (9), the outer movable connection of the spring column (9) is provided with a gas collection chamber (10), the inner movable connection of the gas collection chamber (10) is provided with a heating wire (11), the outer movable connection of the heating wire (11) is provided with a hinged frame (12), and the inner movable connection of the hinged frame (12) is provided with a screw rod (13), the gas collecting chamber (10) is internally and movably connected with a combustion chamber (14), the combustion chamber (14) is internally and movably connected with a discharge hole (15), the upper end of the discharge hole (15) is movably connected with a storage pipe (16), the upper end of the combustion chamber (14) is movably connected with an exhaust pipe (17), the upper end of the exhaust pipe (17) is movably connected with an air bag (18), the upper end of the air bag (18) is movably connected with a press rod (19), the upper end of the press rod (19) is movably connected with a press plate (20), the lower end of the press plate (20) is movably connected with a trigger block (21), the outer part of the shell (1) is movably connected with a sliding rack (22), the outer part of the sliding rack (22) is movably connected with a sector gear (23), the outer part of the sector gear (23) is movably connected with a swing rod (24), the outer part of the sector gear (23) is movably connected with a pulley (25), the external part of the pulley (25) is movably connected with an irregular rotating wheel 2(6), the external part of the swing rod (24) is movably connected with a magnetic block (27), the external part of the shell (1) is movably connected with an articulated rod (28), and the external part of the articulated rod (28) is movably connected with a knocking hammer (29).
2. The tunnel internal oxygen content detection alarm device according to claim 1, wherein: the outside of the screw rod (13) is movably connected with a motor (7), and the heating wires (11) penetrate through the two sides of the gas collection cavity (10).
3. The tunnel internal oxygen content detection alarm device according to claim 1, wherein: the filter screen (8) is positioned between the gas collection cavity (10) and the fan blade (4), and the fan blade (4) is positioned in the gas inlet.
4. The tunnel internal oxygen content detection alarm device according to claim 1, wherein: the sector gear (23) and the irregular rotating wheel (26) are connected with the reciprocating rod, and the motor (7) is movably connected to the outer portion of the irregular rotating wheel (26).
5. The tunnel internal oxygen content detection alarm device according to claim 1, wherein: the left side of the hinged rod (28) is movably connected with magnetic blocks (27), and two groups of hinged rods (28) are arranged.
6. The tunnel internal oxygen content detection alarm device according to claim 1, wherein: the knocking hammer (29) is movably connected with a metal sheet at a corresponding position.
7. The tunnel internal oxygen content detection alarm device according to claim 1, wherein: the hinged rods (28) are connected to the upper side and the lower side of the same supporting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110545697.0A CN113267530A (en) | 2021-05-19 | 2021-05-19 | Oxygen content detection alarm device for tunnel interior |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110545697.0A CN113267530A (en) | 2021-05-19 | 2021-05-19 | Oxygen content detection alarm device for tunnel interior |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113267530A true CN113267530A (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110545697.0A Withdrawn CN113267530A (en) | 2021-05-19 | 2021-05-19 | Oxygen content detection alarm device for tunnel interior |
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| Country | Link |
|---|---|
| CN (1) | CN113267530A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114665448A (en) * | 2022-05-24 | 2022-06-24 | 上海华建电力设备股份有限公司 | Microcomputer line fault protection device |
-
2021
- 2021-05-19 CN CN202110545697.0A patent/CN113267530A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114665448A (en) * | 2022-05-24 | 2022-06-24 | 上海华建电力设备股份有限公司 | Microcomputer line fault protection device |
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Application publication date: 20210817 |
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| WW01 | Invention patent application withdrawn after publication |