Portable air pollutant standard exceeding alarm device

By designing a rotary adjustment detection and positioning component and a detachable air intake component for the portable air pollutant exceedance alarm device, the accuracy problem caused by multi-sensor interference is solved, enabling accurate sensor switching and high-precision detection of air pollutants.

CN224051711UActive Publication Date: 2026-03-27SHANGHAI YEYUE ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-26
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

In existing air pollutant detection devices, the simultaneous detection by multiple sensors causes interference, resulting in poor accuracy, and it is impossible to switch sensors to improve detection accuracy.

Method used

A portable air pollutant exceeding alarm device was designed, comprising a rotary adjustment detection and positioning component, a detachable air intake component, and a detachable sampling component. The sensor is switched by rotating the detection component, and air is drawn in by the detachable air intake component for detection.

Benefits of technology

It achieves improvements in portability and detection accuracy, and can accurately switch sensors, thereby improving the accuracy of air pollutant detection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a portable air pollutant standard exceeding alarm device, which belongs to the technical field of air sampling alarm, and comprises an alarm device body, a rotary adjusting detection positioning assembly, a detachable air suction assembly and a detachable sampling assembly, the rotary adjusting, detecting and positioning assembly is installed at the inner end of the alarm device body, the detachable air suction assembly is detachably connected with the alarm device body, and the detachable sampling assembly is detachably connected with the detachable air suction assembly; the rotary adjusting, detecting and positioning assembly comprises a rotary adjusting and detecting assembly and a positioning assembly; according to the utility model, different sensors can be switched to detect air pollutants, so that the detection accuracy is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to air sampling alarm technical field, concretely relates to a portable air pollutant overproof alarm device. BACKGROUND

[0002] Current air pollutant overproof alarm device is widely used in chemical production, and there is an air detection alarm equipment with multiple sensors in the prior art, but multiple sensors simultaneously detection exists interference and makes precision poor;

[0003] Among numerous prior art, Chinese patent application CN118962031A discloses a kind of portable gas detector, it includes winding unit, including winding sleeve, winding sleeve includes the connecting plate being arranged in its interior, and the connecting shaft being arranged on the upper surface of connecting plate, the gripping piece being arranged in the inside of winding sleeve, gripping piece includes vertical rod, and winding roller is arranged on the outside of connecting shaft;Anti-off unit, including slide cover, slide plate being arranged in the inside of slide cover, and tightening belt is arranged in the end of slide plate;Gripping piece surface and slide plate end portion are in contact.

[0004] However, the patent application cannot realize switching different sensors to detect air pollutants and improve detection accuracy.

[0005] Based on this, the utility model designs a kind of portable air pollutant overproof alarm device to solve above-mentioned problems. UTILITY MODEL CONTENTS

[0006] In view of the above-mentioned shortcomings of prior art, the utility model provides a kind of portable air pollutant overproof alarm device.

[0007] To achieve the above purpose, the utility model is realized by the following technical schemes:

[0008] A kind of portable air pollutant overproof alarm device, including alarm device ontology, still include rotating adjustment detection positioning assembly, detachable air suction component and detachable sampling component;

[0009] Rotating adjustment detection positioning assembly is installed in the inner end of alarm device ontology, detachable air suction component is detachably connected with alarm device ontology, detachable sampling component is detachably connected with detachable air suction component;

[0010] Rotating adjustment detection positioning assembly includes rotating adjustment detection assembly and positioning assembly;

[0011] Rotating adjustment detection assembly is installed in the inner end of alarm device ontology, rotating adjustment detection assembly is connected with positioning assembly, positioning assembly is connected with alarm device ontology, and rotating adjustment detection assembly is used in cooperation with detachable air suction component and is electrically connected.

[0012] Further, the alarm device body comprises a shell;

[0013] The outer wall of the shell is provided with a concave surface, and the upper end surface of the shell is provided with a detection hole;

[0014] The rotation adjustment detection assembly is connected to the upper end of the shell;

[0015] The upper end of the shell is detachably connected to the detachable air suction assembly.

[0016] Further, the concave surface is provided with a through hole for cooperating with the rotation adjustment detection assembly.

[0017] Further, the rotation adjustment detection assembly comprises a rotating disc, a gas sensor, a mounting sleeve, a rotating column, a conductive ring, a spring contact, and a metal contact;

[0018] The gas sensor is fixedly installed on the upper end surface of the rotating disc at equal intervals around the center of the rotating disc, the mounting sleeve is fixedly connected to the middle part of the rotating disc, the rotating column is fixedly connected to the middle part of the shell, and the mounting sleeve is rotationally connected to the rotating column;

[0019] The top of the rotating column is fixedly installed with a metal contact for electrically connecting with the detachable air suction assembly;

[0020] The outer wall of the rotating column is fixedly installed with a conductive ring, the mounting sleeve is fixedly installed with a spring contact for electrically connecting with the conductive ring, the through hole of the concave surface is used in cooperation with the rotating disc, and the gas sensor is electrically connected with the spring contact.

[0021] Further, the positioning assembly comprises a spring pin and a positioning block; the positioning block is fixedly installed on the upper end surface of the rotating disc at equal intervals around the center of the rotating disc, and the positioning block corresponds to the gas sensor one-to-one;

[0022] The spring pin is fixedly installed on the inner wall of the shell, and the end surface of the positioning block close to the inner wall of the shell is provided with an arc-shaped slot for limiting and clamping the spring pin.

[0023] Further, the detachable air suction assembly comprises a disassembly assembly and an air suction assembly;

[0024] The air suction assembly is installed on the disassembly assembly, and the disassembly assembly is detachably connected to the upper end of the shell;

[0025] The air suction assembly is electrically connected with the metal contact, and the detachable sampling assembly is detachably used with the disassembly assembly.

[0026] Further, the disassembly assembly comprises a lower shell, an upper shell, and a connecting pipe;

[0027] The upper shell is fixedly installed on the upper end surface of the lower shell, and a threaded ring table is fixedly installed on the upper end of the shell.

[0028] The connecting pipe is fixedly installed on the upper end surface of the upper shell, and is used in cooperation with the detachable sampling assembly for disassembly, and the air suction assembly is connected with the lower shell and the upper shell.

[0029] Further, the air suction assembly comprises an air pump, a pressure rod, a spring contact II, an air pipe I and an air pipe II.

[0030] The air pump is fixedly installed on the inner top of the upper shell, the air inlet of the air pump is located on the inner side of the connecting pipe, the air outlet of the air pump is connected with one end of the air pipe I, the other end of the air pipe I passes through the upper end of the lower shell and is fixedly connected with the lower shell, one end of the air pipe II passes through the upper end of the lower shell and is fixedly connected with the lower shell, the air pipe II passes through the upper end of the upper shell and is fixedly connected with the upper shell, the other end of the air pipe II passes through the connecting pipe and is fixedly connected with the connecting pipe, the pressure rod is fixedly connected with the lower end of the air pump, the spring contact II is fixedly installed on the bottom of the pressure rod, the spring contact II is electrically connected with the air pump, and the spring contact II is used in cooperation with the metal contact for electrical connection.

[0031] Compared with the prior art, the alarm device has the advantages that: when in use, the detachable sampling assembly and the detachable air suction assembly are used in cooperation for disassembly, and the detachable air suction assembly and the alarm device body are used in cooperation for disassembly, so that the portability of the alarm device is realized.

[0032] When in use, the rotation of the rotation adjustment and detection assembly is positioned by the positioning assembly, so that the sensor of the rotation adjustment and detection assembly can be accurately switched.

[0033] When in use, the detachable air suction assembly is started, the air to be detected is sucked into the detachable sampling assembly, and the air pollutants are detected by the rotation adjustment and detection assembly. BRIEF DESCRIPTION OF DRAWINGS

[0034] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creating labor.

[0035] Figure 1 It is a perspective view of a portable air pollutant over-standard alarm device of the present application.

[0036] Figure 2A front view of the portable air pollutant over-standard alarm device of the utility model;

[0037] Figure 3 An explosion view of the portable air pollutant over-standard alarm device of the utility model;

[0038] Figure 4 A perspective view of the utility model along the A-A direction of the utility model is cut off partially; Figure 2

[0039] Figure 5 A perspective view of the utility model along the B-B direction of the utility model is cut off partially; Figure 2

[0040] Figure 6 An enlarged view of C in the utility model; Figure 4

[0041] An enlarged view of D in the utility model. Figure 7 Figure 4

[0042] The reference numerals in the drawings represent respectively:

[0043] 1. alarm device body 11. shell 12. concave surface 13. detection hole 2. rotating adjustment detection positioning assembly 21. rotating adjustment detection assembly 211. turntable 212. gas sensor 213. mounting sleeve 214. rotating column 215. conductive ring 216. spring contact one 217. metal contact 22. positioning assembly 221. spring pin 222. positioning block 223. arc-shaped groove 3. detachable air suction assembly 31. dismounting assembly 311. lower shell 312. upper shell 313. connecting pipe 32. air suction assembly 321. air pump 322. pressing rod 323. spring contact two 324. air pipe one 325. air pipe two 4. detachable sampling assembly 41. exhaust pipe 42. sampling pipe 43. connecting seat 44. through hole. DETAILED DESCRIPTION

[0044] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0045] In the following description, "left", "right", "front", "back", "up", "down" are oriented in the perspective direction of the front view.

[0046] ​​​​Embodiment one: in some embodiments, please refer to the description of the accompanying drawings Figures 1-7 A portable air pollution overproof alarm device, comprising an alarm device body 1, further comprising a rotating adjustment detection positioning assembly 2, a detachable air suction assembly 3 and a detachable sampling assembly 4;

[0047] The rotating adjustment detection positioning assembly 2 is installed at the inner end of the alarm device body 1, the detachable air suction assembly 3 is detachably connected with the alarm device body 1, and the detachable sampling assembly 4 is detachably connected with the detachable air suction assembly 3.

[0048] The rotating adjustment detection positioning assembly 2 comprises a rotating adjustment detection assembly 21 and a positioning assembly 22.

[0049] The rotating adjustment detection assembly 21 is installed at the inner end of the alarm device body 1, the rotating adjustment detection assembly 21 is connected with the positioning assembly 22, the positioning assembly 22 is connected with the alarm device body 1, and the rotating adjustment detection assembly 21 is electrically connected with the detachable air suction assembly 3.

[0050] When the utility model is used, through detachable use between the detachable sampling assembly 4 and the detachable air suction assembly 3, and matched detachable use between the detachable air suction assembly 3 and the alarm device body 1, the portability of the alarm device is realized.

[0051] When the utility model is used, the rotation of the rotating adjustment detection assembly 21 is positioned by the positioning assembly 22, so that the sensor of the rotating adjustment detection assembly 21 is accurately switched.

[0052] When the utility model is used, by starting the detachable air suction assembly 3, the air to be detected is sucked into the detachable sampling assembly 4, and the air pollution is detected by the rotating adjustment detection assembly 21.

[0053] The alarm device body 1 comprises a shell 11, a concave surface 12 and a detection hole 13.

[0054] The outer wall of the shell 11 is provided with the concave surface 12, and the upper end surface of the shell 11 is provided with the detection hole 13.

[0055] The rotating adjustment detection assembly 21 is connected with the upper end of the shell 11, and the inner and outer walls of the concave surface 12 are provided with through holes matched with the use of the rotating adjustment detection assembly 21.

[0056] The upper end of the shell 11 is detachably connected with the detachable air suction assembly 3.

[0057] The rotating adjustment detection assembly 21 comprises a rotating disc 211, a gas sensor 212, a mounting sleeve 213, a rotating column 214, a conductive ring 215, a spring contact 216 and a metal contact 217.

[0058] The gas sensor 212 is multiple and is fixedly installed on the upper end surface of the rotating disc 211 at equal intervals around the center of the rotating disc 211, the mounting sleeve 213 is fixedly connected with the middle part of the rotating disc 211, the rotating column 214 is fixedly connected with the middle part of the shell 11, and the mounting sleeve 213 is rotationally connected with the rotating column 214;

[0059] The top of the rotating column 214 is fixedly installed with a metal contact 217 matched with the detachable air suction assembly 3 for electrical connection;

[0060] The outer wall of the rotating column 214 is fixedly installed with a conductive ring 215, the mounting sleeve 213 is fixedly installed with a spring contact one 216 matched with the conductive ring 215 for electrical connection, the through opening of the concave surface 12 is used in cooperation with the rotating disc 211, and the gas sensor 212 is electrically connected with the spring contact one 216.

[0061] When the spring pin 221 is clamped with the arc-shaped groove 223 at the positioning block 222 corresponding to the gas sensor 212 while the rotating disc 211 at the through opening of the concave surface 12 is rotated, the gas sensor 212 is concentrically arranged with the detection hole 13, so that the switching of the gas sensor 212 is realized.

[0062] When the utility model is used, the gas sensor 212 is four and is sulfur dioxide sensor, nitrogen dioxide sensor, carbon monoxide sensor, formaldehyde sensor respectively.

[0063] When the utility model is used, the shell 11 is internally installed with an alarm and a central processing module, the conductive ring 215 is electrically connected with the central processing module, the pollutant data detected by the gas sensor 212 is transmitted to the conductive ring 215 through the spring contact one 216, and then is transmitted to the central processing unit by the conductive ring 215, the central processing unit continues to compare the pollutant data with the pollutant alarm concentration threshold value stored in it, when the pollutant data is greater than the threshold value, the central processing unit controls the alarm to alarm.

[0064] The positioning assembly 22 includes the spring pin 221 and the positioning block 222, the positioning block 222 is multiple and is fixedly installed on the upper end surface of the rotating disc 211 at equal intervals around the center of the rotating disc 211, and the positioning block 222 is one-to-one corresponding to the gas sensor 212.

[0065] The spring pin 221 is fixedly installed on the inner wall of the shell 11, and the end surface of the positioning block 222 close to the inner wall of the shell 11 is provided with the arc-shaped groove 223 matched with the spring pin 221 for limiting clamping.

[0066] The detachable air suction assembly 3 includes the dismounting assembly 31 and the air suction assembly 32.

[0067] The air suction assembly 32 is installed on the dismounting assembly 31, and the dismounting assembly 31 is detachably connected with the upper end of the shell 11.

[0068] The air suction assembly 32 is electrically connected with the metal contact 217, and the detachable sampling assembly 4 is detachably connected with the detachable assembly 31.

[0069] The detachable assembly 31 comprises a lower shell 311, an upper shell 312 and a connecting pipe 313.

[0070] The upper shell 312 is fixedly installed on the upper end surface of the lower shell 311, the upper end of the shell 11 is fixedly installed with a threaded ring table, and the inner wall of the lower shell 311 is provided with an internal thread groove for threaded connection with the threaded ring table.

[0071] The connecting pipe 313 is fixedly installed on the upper end surface of the upper shell 312, the connecting pipe 313 is detachably connected with the detachable sampling assembly 4, and the air suction assembly 32 is connected with the lower shell 311 and the upper shell 312.

[0072] The air suction assembly 32 comprises an air pump 321, a pressing rod 322, a spring contact 323, an air pipe 324 and an air pipe 325.

[0073] The air pump 321 is fixedly installed on the inner top of the upper shell 312, the air inlet of the air pump 321 is located on the inner side of the connecting pipe 313, the air outlet of the air pump 321 is connected with one end of the air pipe 324, the other end of the air pipe 324 passes through the upper end of the lower shell 311 and is fixedly connected with the lower shell 311, one end of the air pipe 325 passes through the upper end of the lower shell 311 and is fixedly connected with the lower shell 311, the air pipe 325 passes through the upper end of the upper shell 312 and is fixedly connected with the upper shell 312, the other end of the air pipe 325 passes through the connecting pipe 313 and is fixedly connected with the connecting pipe 313, the pressing rod 322 is fixedly connected with the lower end of the air pump 321, the spring contact 323 is fixedly installed on the bottom of the pressing rod 322, the spring contact 323 is electrically connected with the air pump 321, and the spring contact 323 is electrically connected with the metal contact 217.

[0074] The detachable sampling assembly 4 comprises an exhaust pipe 41, a sampling pipe 42 and a connecting seat 43.

[0075] The exhaust pipe 41 and the sampling pipe 42 are fixedly connected with the upper end surface of the connecting seat 43, the sampling pipe 42 is located on the inner side of the connecting seat 43, the connecting seat 43 is provided with through holes 44 at equal intervals, and the through holes 44 are located between the inner wall of the exhaust pipe 41 and the outer wall of the sampling pipe 42; the exhaust pipe 41 is detachably connected with the mounting sleeve 213; the connecting seat 43 is provided with an air inlet hole for communication with the sampling pipe 42, and the connecting seat 43 is fixedly installed with a plug pipe for plugging the air inlet of the air pump 321, and the plug pipe is concentrically arranged with the air inlet hole.

[0076] The outer wall of the exhaust pipe 41 is provided with external threads on the lower side, and the inner wall of the mounting sleeve 213 is provided with internal threads for threaded connection with the external threads of the exhaust pipe 41.

[0077] The utility model uses, through starting air pump 321, air pump 321 draws the gas from sampling pipe 42 into its air inlet, passes through the cavity between lower casing 311 and casing 11 through air pipe one 324, the gas passes through air pipe two 325 and is connected into the connecting pipe 313, again from the connecting pipe 313 through the hole 44 and enters the exhaust pipe 41, finally from the exhaust pipe 41 and is discharged, thereby realized the gas from the distal end and avoided the discharge to the detection personnel.

[0078] The above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A portable air pollutant over-standard alarm device, comprising an alarm device body (1), characterized in that: Also include rotation adjustment detection positioning assembly (2), detachable air suction assembly (3) and detachable sampling assembly (4); The rotation adjustment detection positioning assembly (2) is installed at the inner end of the alarm device body (1), the detachable air suction assembly (3) is detachably connected with the alarm device body (1), and the detachable sampling assembly (4) is detachably connected with the detachable air suction assembly (3); The rotation adjustment detection positioning assembly (2) comprises a rotation adjustment detection assembly (21) and a positioning assembly (22); The rotation adjustment detection assembly (21) is installed at the inner end of the alarm device body (1), the rotation adjustment detection assembly (21) is connected with the positioning assembly (22), the positioning assembly (22) is connected with the alarm device body (1), and the rotation adjustment detection assembly (21) is used in cooperation with the detachable air suction assembly (3) in electric connection.

2. The portable air pollutant over-standard alarm device according to claim 1, wherein, The alarm device body (1) comprises a shell (11); The outer wall of the shell (11) is provided with a concave surface (12), and the upper end surface of the shell (11) is provided with a detection hole (13); The rotation adjustment detection assembly (21) is connected with the upper end of the shell (11); The upper end of the shell (11) is detachably connected with the detachable air suction assembly (3).

3. The portable air pollutant over-standard alarm device according to claim 2, characterized in that, The concave surface (12) is provided with a through hole for cooperation with the rotation adjustment detection assembly (21).

4. The portable air pollutant over-standard alarm device according to claim 3, characterized in that, The rotation adjustment detection assembly (21) comprises a rotating disc (211), a gas sensor (212), a mounting sleeve (213), a rotating column (214), a conductive ring (215), a spring contact (216) and a metal contact (217); The gas sensor (212) is fixedly installed on the upper end surface of the rotating disc (211) around the center of the rotating disc (211), the mounting sleeve (213) is fixedly connected with the middle part of the rotating disc (211), the rotating column (214) is fixedly connected with the middle part of the shell (11), and the mounting sleeve (213) is rotationally connected with the rotating column (214); The top of the rotating column (214) is fixedly installed with the metal contact (217) for electric connection with the detachable air suction assembly (3); The outer wall of the rotating column (214) is fixedly installed with the conductive ring (215), the spring contact (216) is fixedly installed on the mounting sleeve (213) for electric connection with the conductive ring (215), the through hole of the concave surface (12) is used in cooperation with the rotating disc (211), and the gas sensor (212) is electrically connected with the spring contact (216).

5. The portable air pollutant over-standard alarm device according to claim 4, wherein, The positioning assembly (22) comprises a spring pin (221) and a positioning block (222); the positioning block (222) is fixedly installed on the upper end surface of the rotating disc (211) around the center of the rotating disc (211), and the positioning block (222) corresponds to the gas sensor (212) one by one; The spring pin (221) is fixedly installed on the inner wall of the shell (11), and the end surface of the positioning block (222) close to the inner wall of the shell (11) is provided with an arc-shaped groove (223) for limiting and clamping the spring pin (221).

6. The portable air pollutant over-standard alarm device according to claim 5, wherein, The detachable air suction assembly (3) comprises a dismounting assembly (31) and an air suction assembly (32); The air suction assembly (32) is mounted on the detachable assembly (31), and the detachable assembly (31) is detachably connected with the upper end of the shell (11); The air suction assembly (32) is electrically connected with the metal contact (217), and the detachable sampling assembly (4) is detachably connected with the detachable assembly (31).

7. The portable air pollutant over-standard alarm device according to claim 6, wherein, The detachable assembly (31) comprises a lower shell (311), an upper shell (312) and a connecting pipe (313). The upper shell (312) is fixedly installed on the upper end surface of the lower shell (311), the upper end of the shell (11) is fixedly installed with a threaded ring table, and the inner wall of the lower shell (311) is provided with an internal thread groove for threaded connection with the threaded ring table. The connecting pipe (313) is fixedly installed on the upper end surface of the upper shell (312), the connecting pipe (313) is detachably connected with the detachable sampling assembly (4), and the air suction assembly (32) is connected with the lower shell (311) and the upper shell (312).

8. The portable air pollutant over-standard alarm device according to claim 7, characterized in that, The air suction assembly (32) comprises an air pump (321), a pressing rod (322), a spring contact (323), an air pipe (324) and an air pipe (325). The air pump (321) is fixedly installed on the inner top of the upper shell (312), the air inlet of the air pump (321) is located on the inner side of the connecting pipe (313), the air outlet of the air pump (321) is connected with one end of the air pipe (324), the other end of the air pipe (324) penetrates through the upper end of the lower shell (311) and is fixedly connected with the lower shell (311), one end of the air pipe (325) penetrates through the upper end of the lower shell (311) and is fixedly connected with the lower shell (311), the air pipe (325) penetrates through the upper end of the upper shell (312) and is fixedly connected with the upper shell (312), the other end of the air pipe (325) penetrates through the connecting pipe (313) and is fixedly connected with the connecting pipe (313), the pressing rod (322) is fixedly connected with the lower end of the air pump (321), the spring contact (323) is fixedly installed on the bottom of the pressing rod (322), the spring contact (323) is electrically connected with the air pump (321), and the spring contact (323) is electrically connected with the metal contact (217).

Citation Information

Patent Citations

  • Portable gas detector

    CN118962031A