CN212111151U

CN212111151U - Formaldehyde detector device

Info

Publication number: CN212111151U
Application number: CN202020376913.4U
Authority: CN
Inventors: 宋磊; 王岩; 殷慧敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-12-08
Anticipated expiration: 2030-03-23

Abstract

The utility model discloses a formaldehyde detector device, including the frame, inner wall bottom one side fixedly connected with air pump of frame, the end intercommunication of giving vent to anger of air pump has the conveyer pipe, the inner wall bottom of frame and the one end fixedly connected with detection case of keeping away from the air pump, the one end and the detection case intercommunication of air pump are kept away from to the conveyer pipe, the top cooperation of detection case is connected with sealed lid, the inner wall bottom central point of detection case is pegged graft and is had the detection membrane, the inner wall of detection case and the position that is close to the conveyer pipe are provided with the light source, the inner wall of detection case and the one side of keeping away from the light source are provided with photosensitive element, the inner wall of detection case just is. This formaldehyde detector device has reached the quick accurate effect of detection, and is rational in infrastructure simple, operation convenient to use can carry out multiple detection simultaneously, has reduced the interference for it is high to detect the precision, has improved work efficiency and performance.

Description

Formaldehyde detector device

Technical Field

The utility model relates to a formaldehyde detects technical field, specifically is a formaldehyde detector device.

Background

The formaldehyde has wide application, and belongs to a popular chemical product with simple production process and sufficient raw material supply. Is the main stem of the downstream product tree of methanol, about 30 percent of methanol in the world is used for producing formaldehyde, and the annual output is about 2500 million tons. The formaldehyde solution is a water solution with low concentration, and is inconvenient for long-distance transportation from the economic point of view, so that factories are generally arranged near the main consumer market, and the import and export trade is also very little. The formaldehyde, the chemical formula HCHO, the quality of 30.03, also called as the formil, the naturally existing organic compound and the colorless irritant gas have the irritant effect on human eyes, nose and the like, and are listed as known human carcinogens. At present, the formaldehyde detector device that has now on the market receives the interference easily, leads to detecting inaccurately, can not carry out multiple detection simultaneously, seriously influences monitoring accuracy, has reduced performance.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a formaldehyde detector device has solved formaldehyde detector device and has received the interference easily, leads to detecting inaccurately, can not carry out multiple detection simultaneously, seriously influences monitoring accuracy, has reduced the problem of performance.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a formaldehyde detector device, includes the frame, inner wall bottom one side fixedly connected with air pump of frame, the end intercommunication of giving vent to anger of air pump has the conveyer pipe, the inner wall bottom of frame just keeps away from the one end fixedly connected with detection case of air pump, the one end and the detection case intercommunication of air pump are kept away from to the conveyer pipe, the top cooperation of detection case is connected with sealed lid, the inner wall bottom central point of detection case puts to peg graft and has the detection membrane, the inner wall of detection case and the position that is close to the conveyer pipe are provided with the light source, the inner wall of detection case and the one side of keeping away from the light source are provided with photosensitive element, the inner wall of detection.

Preferably, the inlet end intercommunication of air pump has the intake pipe, surface bottom one side intercommunication of detection case has the outlet duct, inlet port, venthole have been seted up respectively to the surface both sides of detection case, intake pipe and inlet port intercommunication, outlet duct and venthole intercommunication, the equal fixedly connected with dust screen of the inner wall of inlet port, the inner wall of venthole, the one end of inlet port, the one end of venthole just are located the equal cooperation in frame surface and are connected with the sealing plug.

Preferably, a controller is arranged on one side of the top of the inner wall of the outer frame, a power supply is arranged on one side of the bottom of the inner wall of the outer frame and close to the air pump, and a display screen and a function key are sequentially arranged on the top of the outer frame and close to the position of the detection box.

Preferably, the top of the outer frame is connected with a top cover in a matching manner, the bottom of the outer frame is fixedly connected with a base, and the bottom of the base is fixedly connected with an anti-slip pad.

Preferably, the bottom of the inner wall of the detection box is provided with a clamping groove matched with the detection film.

(III) advantageous effects

The utility model provides a formaldehyde detector device. The method has the following beneficial effects:

(1) the formaldehyde detector device is characterized in that an air pump is fixedly connected to one side of the bottom of the inner wall of an outer frame, an air outlet end of the air pump is communicated with a conveying pipe, a detection box is fixedly connected to the bottom of the inner wall of the outer frame and one end far away from the air pump, one end of the conveying pipe far away from the air pump is communicated with the detection box, a sealing cover is connected to the top of the detection box in a matching manner, a detection film is inserted into the central position of the bottom of the inner wall of the detection box, a light source is arranged on the inner wall of the detection box and close to the conveying pipe, a photosensitive element is arranged on the inner wall of the detection box and one side far away from the light source, a formaldehyde sensor is arranged on the inner, multiple detection can be carried out simultaneously, interference is reduced, detection precision is high, and working efficiency and use performance are improved.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 2.

In the figure: the device comprises an outer frame, an air pump, a conveying pipe, a detection box, a sealing cover, a detection film, a light source, a photosensitive element, a formaldehyde sensor, a gas inlet pipe, a gas outlet pipe, a gas inlet hole, a gas outlet hole, a dust screen, a sealing plug, a controller, a power supply, a display screen, a functional key, a top cover, a base and a non-slip mat, wherein the outer frame is 1, the air pump is 2, the conveying pipe is.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a formaldehyde detector device comprises an outer frame 1, an air pump 2 is fixedly connected to one side of the bottom of the inner wall of the outer frame 1, an air outlet end of the air pump 2 is communicated with a conveying pipe 3, a detection box 4 is fixedly connected to the bottom of the inner wall of the outer frame 1 and one end far away from the air pump 2, one end of the conveying pipe 3 far away from the air pump 2 is communicated with the detection box 4, a sealing cover 5 is connected to the top of the detection box 4 in a matching manner, a detection membrane 6 is inserted in the central position of the bottom of the inner wall of the detection box 4, a clamping groove matched with the detection membrane 6 is formed in the bottom of the inner wall of the detection box 4, the inner wall can be conveniently replaced and renewed before use, the detection accuracy is improved, a light source 7 is arranged on the inner wall of the detection box 4 and the position close to the conveying pipe 3, a photosensitive element 8 is arranged on the inner wall, the type of the formaldehyde sensor 9 is: WSP2110, for current technique, commercially available, the inlet end intercommunication of air pump 2 has intake pipe 10, surface bottom one side intercommunication of detection case 4 has outlet duct 11, inlet port 12 has been seted up respectively to the surface both sides of detection case 4, venthole 13, intake pipe 10 and inlet port 12 intercommunication, outlet duct 11 and venthole 13 intercommunication, the inner wall of inlet port 12, the equal fixedly connected with dust screen 14 of inner wall of venthole 13, dust screen 14 can filter the dust, reduce the dust and get into, the one end of inlet port 12, the one end of venthole 13 just is located frame 1 equal cooperation in surface and is connected with sealing plug 15, inner wall top one side of frame 1 is provided with controller 16, controller 16 can control the components and parts in the device, realize automated inspection, controller 16 is the singlechip, the model of singlechip is: STM32, for prior art, commercially available, inner wall bottom one side of frame 1 and the position that is close to air pump 2 are provided with power 17, the top of frame 1 and the position that is close to detection case 4 have set gradually display screen 18, function button 19, the top cooperation of frame 1 is connected with top cap 20, the bottom fixedly connected with base 21 of frame 1, the bottom fixedly connected with slipmat 22 of base 21, slipmat 22 has skid-proof function, the stability of improving the device, slipmat 22's material sets up to the rubber material, the antiskid is effectual and with low costs.

When in use, the device is firstly placed in a space to be detected, the whole device applies weight on the non-slip mat 22 through the base 21, the non-slip mat 22 has the anti-slip effect, the stability of the device is improved, the non-slip mat 22 is made of rubber, the anti-slip effect is good, the cost is low, the top cover 20 is opened at the moment, the sealing cover 5 is opened, a new detection membrane 6 is inserted at the bottom of the inner wall of the detection box 4, the sealing cover 5 is covered at the moment, the sealing plugs 15 at one end of the air inlet 12 and one end of the air outlet 13 are respectively taken down at the moment, the detection instrument is opened through the function key 19, the air inlet end of the air pump 2 sucks external air through the air inlet pipe 10 and conveys the air into the detection box 4 through the conveying pipe 3, the formaldehyde sensor 9 detects formaldehyde in the air at the moment, transmits signals to the controller 16, and simultaneously displays results on the display screen 18 preliminarily, gaseous continuation flow in detection case 4, make detection membrane 6 discolour, a period of time later, light source 7 is opened automatically to the instrument, light sees through detection membrane 6 and shines on light sensing element 8, light sensing element 8 gathers processing back and calculates light intensity and wavelength signal, reachs the detection data of formaldehyde concentration, and show the result on display screen 18 once more, so formed both sides and detected, can contrast, interference has been reduced, avoid appearing too big error, it is high to detect the precision, in the use, dust screen 14 can filter the dust, reduce the dust and get into, work efficiency and performance have been improved.

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. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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

1. The utility model provides a formaldehyde detector device, includes frame (1), its characterized in that: inner wall bottom one side fixedly connected with air pump (2) of frame (1), the end intercommunication of giving vent to anger of air pump (2) has conveyer pipe (3), the inner wall bottom of frame (1) and the one end fixedly connected with detection case (4) of keeping away from air pump (2), the one end and the detection case (4) intercommunication of keeping away from air pump (2) are kept away from in conveyer pipe (3), the top cooperation of detection case (4) is connected with sealed lid (5), the inner wall bottom central point of detection case (4) puts and pegs graft and has detection membrane (6), the inner wall of detection case (4) and the position that is close to conveyer pipe (3) are provided with light source (7), the inner wall of detection case (4) and the one side of keeping away from light source (7) are provided with light sensing element (8), the inner wall of detection case (4) and be close to the top position and.

2. The formaldehyde detector device according to claim 1, wherein: the air inlet end intercommunication of air pump (2) has intake pipe (10), surface bottom one side intercommunication of detection case (4) has outlet duct (11), inlet port (12), venthole (13) have been seted up respectively to the surface both sides of detection case (4), intake pipe (10) and inlet port (12) intercommunication, outlet duct (11) and venthole (13) intercommunication, the equal fixedly connected with dust screen (14) of inner wall, the inner wall of venthole (13) of inlet port (12), the one end of inlet port (12), venthole (13) just is located frame (1) surface and all cooperates and is connected with sealing plug (15).

3. The formaldehyde detector device according to claim 1, wherein: the air pump detection device is characterized in that a controller (16) is arranged on one side of the top of the inner wall of the outer frame (1), a power source (17) is arranged on one side of the bottom of the inner wall of the outer frame (1) and close to the air pump (2), and a display screen (18) and a function key (19) are sequentially arranged on the top of the outer frame (1) and close to the position of the detection box (4).

4. The formaldehyde detector device according to claim 1, wherein: the top cooperation of frame (1) is connected with top cap (20), the bottom fixedly connected with base (21) of frame (1), the bottom fixedly connected with slipmat (22) of base (21).

5. The formaldehyde detector device according to claim 1, wherein: the bottom of the inner wall of the detection box (4) is provided with a clamping groove matched with the detection film (6).