CN217820265U

CN217820265U - High-precision formaldehyde organic volatile gas detection sensor

Info

Publication number: CN217820265U
Application number: CN202221517691.9U
Authority: CN
Inventors: 张树金
Original assignee: Shenzhen Jiabang Technology Co ltd
Current assignee: Shenzhen Jiabang Technology Co ltd
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2022-11-15
Anticipated expiration: 2032-06-16

Abstract

The utility model discloses a high accuracy formaldehyde organic volatile gas detection sensor, relates to volatile gas detection technology field, including high accuracy formaldehyde detection sensor body, formaldehyde detection sensor body is including connecting electrical terminal and detection probe, and detection probe includes casing and cap, and the circle center array equipartition with the casing on the casing surface has a plurality of fresh air inlets, is provided with quick detach subassembly on the casing; the quick detach subassembly includes that casing one end fixed connection's hickey is provided with the internal thread on the inner wall of cap, can dismantle through the screw thread between cap and the casing and be connected, fixedly connected with mount pad in the casing, the mount pad is provided with two sets ofly, fixedly connected with filter screen between two sets of mount pads. The advantage lies in, when the filter screen of needs in to the test probe cleans the change, only need twist off the cap and can clean the change to the filter screen in the casing, has further improved the convenient degree of the clean change of filter screen.

Description

High-precision formaldehyde organic volatile gas detection sensor

Technical Field

The utility model relates to a volatile gas detects technical field, specifically is a high accuracy formaldehyde organic volatile gas detects sensor.

Background

Formaldehyde, also known as formil, is an organic compound that is colorless, irritant to the eyes and nose, and readily soluble in water and ethanol. In 2017, 10 and 27, in a carcinogen list published by the international cancer research institution of the world health organization, formaldehyde is put in a carcinogen list.

Most of the existing high-precision formaldehyde organic volatile gas detection sensors utilize a formaldehyde detector with a built-in high-precision detection sensing chip to detect volatile gases such as formaldehyde.

Although current high accuracy formaldehyde organic volatile gas detection sensor also can utilize test probe to come to detect the space that detects, all be provided with the filter screen in current high accuracy formaldehyde detection sensor's the probe, the filter screen is arranged in the dust entering test sensor of filtered air inside to influence the measured data, when the filter screen needs to be changed, often all need to dismantle test probe from high accuracy formaldehyde detection sensor, realize the cleanness and the change to the filter screen.

To the problem, the utility model provides a high accuracy formaldehyde organic volatile gas detects sensor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high accuracy formaldehyde organic volatile gas detects sensor, set up quick detach mechanism, through divide into casing and two parts of cap with test probe, at the junction fixedly connected with hickey of casing and cap, be provided with assorted internal thread with it on the inner wall of cap, again with filter screen sliding connection in test probe's shells inner wall, when the filter screen in need to test probe cleans the change, only need twist the cap to twist off can clean the change to the filter screen in the casing, the convenient degree of the clean change of filter screen has further been improved, thereby the problem in the background art has been solved.

In order to achieve the above object, the utility model provides a following technical scheme: a high-precision formaldehyde organic volatile gas detection sensor comprises a high-precision formaldehyde detection sensor body, wherein the formaldehyde detection sensor body comprises a power connection end and a detection probe, the detection probe comprises a shell and a shell cover, a plurality of air inlet holes are uniformly distributed on the surface of the shell in a circle center array manner, and a quick-release assembly is arranged on the shell;

the quick detach subassembly includes that casing one end fixed connection's hickey is provided with the internal thread on the inner wall of cap, can dismantle through the screw thread between cap and the casing and be connected, fixedly connected with mount pad in the casing, the mount pad is provided with two sets ofly, fixedly connected with filter screen between two sets of mount pads.

Further, the outer diameter of the mounting seat is the same as the inner diameter of the shell, and the mounting seat is connected with the inner wall of the shell in a sliding mode.

Further, the surface all is provided with about the formaldehyde detects the sensor body and prevents falling the mechanism, prevents falling the mechanism and includes the connecting rod of fixed connection in formaldehyde detects sensor body surface four corners department, and the one end of spring has been cup jointed to the one end of connecting rod, the other end fixedly connected with guard plate of spring, the other end fixedly connected with limiting plate of connecting rod, guard plate and connecting rod link up swing joint, and the guard plate is located the below of limiting plate.

Furthermore, a threaded hole is formed in the outer edge of the detection probe, and a protective cover is connected to the threaded hole in a threaded manner.

Further, the inner diameter of the protective cover is larger than the outer diameter of the detection probe.

Further, the area of guard plate is greater than the area of formaldehyde detection sensor body.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model provides a pair of high accuracy formaldehyde organic volatile gas detects sensor, through setting up quick detach mechanism, through divide into casing and cap two parts with test probe, at the junction fixedly connected with hickey of casing and cap, be provided with assorted internal thread with it on the inner wall of cap, again with filter screen sliding connection in test probe's shells inner wall, when the filter screen in the test probe is cleaned to the needs and is changed, only need twist the cap to twist soon get off can clean the change to the filter screen in the casing, the convenient degree of the clean change of filter screen has further been improved.

2. The utility model provides a pair of high accuracy formaldehyde organic volatile gas detects sensor prevents falling the mechanism through the setting, utilizes to prevent guard plate and spring in falling the mechanism and can be when taking high accuracy formaldehyde detection sensor, can further play the guard action to high accuracy formaldehyde detection sensor.

3. The utility model provides a pair of high accuracy formaldehyde organic volatile gas detects sensor has the protection casing through threaded connection on test probe, utilizes the protection casing of threaded connection on high accuracy formaldehyde detects the sensor body, can be when high accuracy formaldehyde detects the sensor and drops, plays the guard action to test probe.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a high-precision formaldehyde organic volatile gas detection sensor of the present invention;

fig. 2 is a schematic view of a three-dimensional structure of a high-precision formaldehyde organic volatile gas detection sensor falling-prevention mechanism of the present invention;

FIG. 3 is a schematic view of a three-dimensional structure of a detection probe of the high-precision formaldehyde organic volatile gas detection sensor of the present invention;

FIG. 4 is a schematic view of a three-dimensional structure of a high-precision formaldehyde organic volatile gas detection sensor filter screen according to the present invention;

fig. 5 is the utility model discloses a high accuracy formaldehyde organic volatile gas detects sensor local plane structure sketch map.

In the figure: 1. a formaldehyde detection sensor body; 2. an anti-falling mechanism; 21. a protection plate; 22. a limiting plate; 23. a connecting rod; 24. a spring; 3. connecting the electric terminal; 4. a protective cover; 5. detecting a probe; 51. a housing; 52. a shell cover; 53. a threaded interface; 54. an air inlet hole; 55. a mounting seat; 56. a filter screen; 6. a threaded bore.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to solve the technical problem of how to further rapidly replace the filter screen 56 in the formaldehyde detection sensor body 1, as shown in fig. 1 to 5, the following preferred technical solutions are provided:

a high-precision formaldehyde organic volatile gas detection sensor comprises a high-precision formaldehyde detection sensor body 1, wherein the formaldehyde detection sensor body 1 comprises an electric connection end 3 and a detection probe 5, the detection probe 5 comprises a shell 51 and a shell cover 52, a plurality of air inlet holes 54 are uniformly distributed on the surface of the shell 51 in an array manner by using the circle center of the shell 51, and a quick-release assembly is arranged on the shell 51;

quick detach subassembly includes that casing 51 serves fixed connection's hickey 53, is provided with the internal thread on the inner wall of cap 52, can dismantle through the screw thread between cap 52 and the casing 51 and be connected, fixedly connected with mount pad 55 in the casing 51, mount pad 55 are provided with two sets ofly, fixedly connected with filter screen 56 between two sets of mount pads 55.

The outer diameter of the mounting seat 55 is the same as the inner diameter of the housing 51, and the mounting seat 55 is slidably connected with the inner wall of the housing 51.

Specifically, when the filter screen 56 in the detection probe 5 on the formaldehyde detection sensor body 1 needs to be cleaned and replaced, the case cover 52 is detached from the housing 51 by screwing, after the case cover 52 is detached, the filter screen 56 in the housing 51 fixedly connected between the two mounting seats 55 is pulled out from the inner wall of the housing 51 by hand, then the pulled filter screen 56 is cleaned or replaced, after the cleaning and replacement are completed, the two mounting seats 55 are slidably connected to the inner wall of the housing 51, and finally the case cover 52 is screwed on the housing 51.

In order to solve the technical problem of how to further prevent the formaldehyde detection sensor body 1 from falling, as shown in fig. 1-2, the following preferred technical solutions are provided:

the upper and lower surface of formaldehyde detection sensor body 1 all is provided with prevents falling mechanism 2, prevents falling mechanism 2 and includes connecting rod 23 of fixed connection in 1 surperficial four corners department of formaldehyde detection sensor body, and the one end of spring 24 has been cup jointed to the one end of connecting rod 23, and the other end fixedly connected with guard plate 21 of spring 24, the other end fixedly connected with limiting plate 22 of connecting rod 23, guard plate 21 link up swing joint with connecting rod 23, and guard plate 21 is located limiting plate 22's below.

The area of the protection plate 21 is larger than that of the formaldehyde detection sensor body 1.

Specifically, when using, when formaldehyde detection sensor body 1 drops carelessly, can utilize guard plate 21 that sets up on formaldehyde detection sensor body 1 to come to protect formaldehyde detection sensor body 1, prevent that it from causing the damage to itself when dropping carelessly, set up the area of guard plate 21 and be greater than formaldehyde detection sensor body 1's area purpose, can protect formaldehyde detection sensor body 1 as far as can not take lead to ground connection when dropping, further reduced formaldehyde detection sensor body 1's damage probability.

In order to solve the technical problem of how to further protect the detection probe 5, as shown in fig. 1-2, the following preferred technical solutions are provided:

the outer edge of the detection probe 5 is provided with a threaded hole 6, and the threaded hole 6 is connected with a protective cover 4 in a threaded manner.

The inner diameter of the shield 4 is larger than the outer diameter of the inspection probe 5.

Specifically, the protective cover 4 in threaded connection with the threaded hole 6 formed in the outer edge of the detection probe 5 can further protect the detection probe 5, so that the detection probe is prevented from being damaged when falling carelessly.

The working principle is as follows: when the filter screen 56 in the detection probe 5 on the formaldehyde detection sensor body 1 needs to be cleaned and replaced, the housing cover 52 is detached from the housing 51 by screwing, after the housing cover 52 is detached, the filter screen 56 in the housing 51 through the fixed connection between the two mounting seats 55 is pulled out from the inner wall of the housing 51 by hand, then the pulled filter screen 56 is cleaned or replaced, after the cleaning and replacement are completed, the two mounting seats 55 are slidably connected to the inner wall of the housing 51, and finally the housing cover 52 is screwed on the housing 51.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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

1. The utility model provides a high accuracy formaldehyde organic volatile gas detects sensor, includes formaldehyde detection sensor body (1) of high accuracy, and formaldehyde detection sensor body (1) is including connecting electric end (3) and test probe (5), its characterized in that: the detection probe (5) comprises a shell (51) and a shell cover (52), a plurality of air inlet holes (54) are uniformly distributed on the surface of the shell (51) in an array mode according to the circle center of the shell (51), and the shell (51) is provided with a quick-release assembly;

quick detach subassembly includes casing (51) one end fixed connection's hickey (53), is provided with the internal thread on the inner wall of cap (52), can dismantle through the screw thread between cap (52) and casing (51) and be connected, fixedly connected with mount pad (55) in casing (51), mount pad (55) are provided with two sets ofly, fixedly connected with filter screen (56) between two sets of mount pad (55).

2. The formaldehyde organic volatile gas detection sensor with high precision as claimed in claim 1, wherein: the outer diameter of the mounting seat (55) is the same as the inner diameter of the shell (51), and the mounting seat (55) is connected with the inner wall of the shell (51) in a sliding mode.

3. The formaldehyde organic volatile gas detection sensor with high precision as claimed in claim 1, wherein: the formaldehyde detection sensor comprises a formaldehyde detection sensor body (1), wherein the upper surface and the lower surface of the formaldehyde detection sensor body (1) are provided with an anti-falling mechanism (2), the anti-falling mechanism (2) comprises a connecting rod (23) fixedly connected to four corners of the surface of the formaldehyde detection sensor body (1), one end of a spring (24) is sleeved at one end of the connecting rod (23), the other end of the spring (24) is fixedly connected with a protection plate (21), the other end of the connecting rod (23) is fixedly connected with a limiting plate (22), the protection plate (21) is movably connected with the connecting rod (23) in a penetrating mode, and the protection plate (21) is located below the limiting plate (22).

4. The formaldehyde organic volatile gas detection sensor with high precision as claimed in claim 1, wherein: the outer edge of the detection probe (5) is provided with a threaded hole (6), and the threaded hole (6) is connected with a protective cover (4) in a threaded manner.

5. The high-precision formaldehyde organic volatile gas detection sensor according to claim 4, wherein: the inner diameter of the protective cover (4) is larger than the outer diameter of the detection probe (5).

6. The high-precision formaldehyde organic volatile gas detection sensor according to claim 3, wherein: the area of the protection plate (21) is larger than that of the formaldehyde detection sensor body (1).