CN212722249U

CN212722249U - Sampling device for formaldehyde detection

Info

Publication number: CN212722249U
Application number: CN202021685814.0U
Authority: CN
Inventors: 石苓枫; 费丽涛
Original assignee: Heilongjiang Yufeng Environmental Protection Technology Co ltd
Current assignee: Heilongjiang Yufeng Environmental Protection Technology Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-03-16
Anticipated expiration: 2030-08-13

Abstract

The utility model discloses a sampling device for formaldehyde detects, including sampling case, air pump and filter flask, the inside of sampling case is provided with the storage box, the inside of sampling case is provided with electric telescopic handle the air pump sets up in the top of backup pad, and the left side of air pump is provided with bee calling organ, the air pump passes through the connecting tube and is connected with the sampling bottle, and the right-hand member of sampling bottle setting at the air pump, be provided with the valve on the sampling bottle, and the top of sampling bottle is provided with stop device, the fixed top that sets up at the air pump of filter flask. This sampling device for formaldehyde detects is provided with the filter screen, and the filter screen can filter the gas of air pump extraction to can prevent that the dust in the air from getting into the sample bottle, and then be convenient for prevent that the dust from polluting the sample bottle, be provided with stop device simultaneously, screw thread barre among the stop device can be fixed the position of sample bottle in the backup pad, thereby be convenient for prevent that the sample bottle from removing in the sample in-process position.

Description

Sampling device for formaldehyde detection

Technical Field

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

Background

Formaldehyde is usually colorless aqueous solution or gas, has pungent odor and belongs to a class of carcinogens, if a person is in a place containing formaldehyde for a long time, diseases such as tracheitis, bronchitis, lung cancer and the like are easily induced, so the formaldehyde content in the environment needs to be detected, a sampling device needs to be used in the formaldehyde detection process, through mass search, a gas sampling device in the prior art is found to be typical, such as a gas sampler with the publication number CN210142024U, and comprises a shell, a condensation pipe, a cooling device, a sampling pipe, a valve group, a control panel and a power supply, wherein the shell is provided with an air inlet and a sampling port which are vertically distributed, the condensation pipe is arranged in the shell and is communicated with the air inlet, the cooling device is arranged in the shell and is used for condensing the gas in the condensation pipe into a liquid state, the condensation pipe is divided into a gas section pipe and a liquid section pipe, the sampling pipe is arranged in the, the other end and sample connection intercommunication, the valves including the branch locate the air inlet and the control valve of sample connection, control panel locates the casing, control panel and cooling device electric connection. The portable sampling device is mainly characterized by convenient carrying and simple sampling process.

To sum up, the most inconvenience of current sampling device is gone on edulcoration to gas in advance to easy dust suction sampling bottle in with the air at the in-process of sample, and then cause the pollution to the sampling bottle easily, to above-mentioned problem, need improve current equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sampling device for formaldehyde detects to solve the most inconvenient edulcoration in advance to gas of the current sampling device who provides in the above-mentioned background art, thereby easy in the in-process of sample with the dust suction sampling bottle in the air, and then cause the problem of pollution to the sampling bottle easily.

In order to achieve the above object, the utility model provides a following technical scheme: a sampling device for formaldehyde detection, which comprises a sampling box, an air pump and a filter flask,

the sampling box is internally provided with a storage box, partition plates are arranged in the storage box at equal intervals, the right side of the sampling box is fixedly connected with a handrail, the sampling box is internally provided with an electric telescopic rod, and the upper end and the lower end of the electric telescopic rod are respectively fixedly connected with the supporting plate and the sampling box;

the gas pump is arranged above the supporting plate, a buzzer is arranged on the left side of the gas pump, the gas pump is connected with the sampling bottle through a connecting pipeline, the sampling bottle is arranged at the right end of the gas pump, a valve is arranged on the sampling bottle, and a limiting device is arranged above the sampling bottle;

the filter flask, the filter flask is fixed to be set up in the top of air pump, and the air pump is connected with the filter flask, and the top of filter flask is connected with the filter mantle simultaneously.

Preferably, the sampling case bottom symmetry is provided with universal auto-lock wheel, and the top block of sampling case is connected with the case lid, storage box and sampling case constitute the pull structure, and are provided with the tool to lock on the storage box, connecting tube and sampling bottle threaded connection, and be provided with pressure sensor in the connecting tube, be electric connection between pressure sensor and bee calling organ and the controller simultaneously, stop device includes screw thread barre and fixed block, and screw thread barre and fixed block threaded connection, the bottom and the backup pad fixed connection of fixed block simultaneously, screw thread barre bottom and sampling bottle contact, filter flask and filter mantle threaded connection are provided with the filter screen in and the filter mantle, and the filter screen passes through the connecting piece simultaneously and is connected with the filter mantle.

Compared with the prior art, the beneficial effects of the utility model are that: the sampling device for detecting the formaldehyde comprises a sampling device,

(1) the gas sampling device is provided with a filter screen which can filter the gas pumped by the gas pump, so that dust in the air can be prevented from entering the sampling bottle, and the sampling bottle is further prevented from being polluted by the dust;

(2) be provided with pressure sensor, pressure sensor can monitor the atmospheric pressure in the connecting tube, and when pressure sensor detected the atmospheric pressure in the connecting tube and reached the setting value, pressure sensor will give this information transfer for the controller, and the controller will control bee calling organ and send sound and remind the staff to close the valve to be convenient for prevent to lead to the too big incident that takes place of sample bottle internal pressure because of continuously to the conveying gas in the sample bottle, and then be convenient for protect the device.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1 at B according to the present invention;

fig. 4 is a schematic view of the work flow of the present invention.

In the figure: 1. sampling box, 2, storage box, 3, division board, 4, universal auto-lock wheel, 5, electric telescopic handle, 6, backup pad, 7, air pump, 8, bee calling organ, 9, connecting tube, 10, pressure sensor, 11, sampling bottle, 12, valve, 13, stop device, 14, screw thread barre, 15, fixed block, 16, case lid, 17, filter flask, 18, filter mantle, 19, filter screen, 20, connecting piece.

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. 1-4, the present invention provides a technical solution: the utility model provides a sampling device for formaldehyde detects, the inside of sampling case 1 is provided with storage box 2, and equidistant division board 3 that is provided with in the storage box 2, the right side fixedly connected with handrail of sampling case 1 simultaneously, the inside of sampling case 1 is provided with electric telescopic handle 5, and electric telescopic handle 5's upper and lower both ends respectively with backup pad 6 and sampling case 1 fixed connection, air pump 7 sets up the top in backup pad 6, and the left side of air pump 7 is provided with bee calling organ 8, air pump 7 is connected with sampling bottle 11 through connecting tube 9, and sampling bottle 11 sets up the right-hand member at air pump 7, be provided with valve 12 on sampling bottle 11, and sampling bottle 11's top is provided with stop device 13, filter flask 17 is fixed to be set up the top at air pump 7, and air pump 7 is connected with filter flask 17, filter flask 17's top is connected with.

Specifically, sampling case 1 bottom symmetry is provided with universal auto-lock wheel 4, and the top block of sampling case 1 is connected with case lid 16, and sampling case 1 and case lid 16 are convenient for protect its inside equipment and part, and sampling case 1 is inside to be provided with the group battery simultaneously.

Specifically, storage box 2 constitutes the pull structure with sample case 1, and is provided with the tool to lock on the storage box 2, and the tool to lock is convenient for prevent that storage box 2 from opening at the in-process accident that removes.

Specifically, connecting

tube

9 and 11 threaded connection of sampling bottle, and be provided with pressure sensor 10 in the connecting tube 9, be electric connection between pressure sensor 10 and bee calling organ 8 and the controller simultaneously, be convenient for prevent that sampling bottle 11 from taking place accident because of inside atmospheric pressure is too big to be convenient for protect user and device.

Specifically, stop device 13 includes screw thread barre 14 and fixed block 15, and screw thread barre 14 and fixed block threaded connection, the bottom and the backup pad 6 fixed connection of fixed block 15 simultaneously, 14 bottoms of screw thread barre and the contact of sampling bottle 11, the user can manually rotate screw thread barre 14 and make its bottom and the contact of sampling bottle 11, thereby can fix the position of sampling bottle 11 in backup pad 6, and then be convenient for prevent that sampling bottle 11 from taking place to remove at sample in-process position, influence the normal clear of sample.

Specifically,

filter flask

17 and 18 threaded connection of filter mantle, and be provided with filter screen 19 in the filter mantle 18, filter screen 19 passes through connecting piece 20 and is connected with filter mantle 18 simultaneously, and filter screen 19 is convenient for carry out edulcoration in advance to the gas of sample to be convenient for prevent that the dust in the air from getting into sample bottle 11, cause the pollution to sample bottle 11.

The working principle is as follows: the model of the pressure sensor 10 is PT124G-111, the model of the controller is RPCF-6, when the sampling device for formaldehyde detection is used, firstly, the device can be moved to a sampling area by using the universal auto-lock wheel 4, then the box cover 16 is taken down, the electric telescopic rod 5 is started, the electric telescopic rod 5 drives the supporting plate 6 to move upwards to expose the air pump 7, then a worker can manually pull the storage box 2 out of the sampling box 1, then the sampling bottle 11 is taken out to be in threaded connection with the connecting pipeline 9, then the threaded handle rod 14 is manually rotated to enable the bottom of the threaded handle rod 14 to be in contact with the sampling bottle 11, so that the position of the sampling bottle 11 can be fixed, then the air pump 7 is started, the external air can be extracted by the filter bottle 17 under the action of the air pump, and meanwhile, the filter screen 19 in the filter cover 18 can filter the air entering the filter bottle 17, the filtered gas will enter the interior of the sampling bottle 11 through the connecting pipe 9, when the sampling bottle 11 is full of gas, the gas pressure in the connecting pipe 9 will rise, and when the pressure sensor 10 detects that the gas pressure in the connecting pipe 9 reaches a set value, the pressure sensor 10 will transmit the detected information to the controller, the controller will control the buzzer 8 to sound to remind the worker, and then the worker can manually close the valve 12, and then separate the sampling bottle 11 from the connecting pipe 9 and place the sampling bottle into the storage box 2 for storage, which completes the whole work, and the content not described in detail in the present specification belongs to the prior art known to those skilled in the art.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a sampling device for formaldehyde detects, includes sampling box (1), air pump (7) and filter flask (17), its characterized in that:

the portable sampling device comprises a sampling box (1), wherein a storage box (2) is arranged inside the sampling box (1), partition plates (3) are arranged in the storage box (2) at equal intervals, a handrail is fixedly connected to the right side of the sampling box (1), an electric telescopic rod (5) is arranged inside the sampling box (1), and the upper end and the lower end of the electric telescopic rod (5) are fixedly connected with a supporting plate (6) and the sampling box (1) respectively;

the sampling device comprises an air pump (7), wherein the air pump (7) is arranged above a supporting plate (6), a buzzer (8) is arranged on the left side of the air pump (7), the air pump (7) is connected with a sampling bottle (11) through a connecting pipeline (9), the sampling bottle (11) is arranged at the right end of the air pump (7), a valve (12) is arranged on the sampling bottle (11), and a limiting device (13) is arranged above the sampling bottle (11);

the filter flask (17), filter flask (17) are fixed to be set up in the top of air pump (7), and air pump (7) are connected with filter flask (17), and the top of filter flask (17) is connected with filter mantle (18) simultaneously.

2. The sampling device for formaldehyde detection according to claim 1, wherein: the sampling box (1) bottom symmetry is provided with universal auto-lock wheel (4), and the top block of sampling box (1) is connected with case lid (16).

3. The sampling device for formaldehyde detection according to claim 1, wherein: storage box (2) constitute the pull structure with sampling case (1), and are provided with the tool to lock on storage box (2).

4. The sampling device for formaldehyde detection according to claim 1, wherein: connecting tube (9) and sampling bottle (11) threaded connection, and be provided with pressure sensor (10) in connecting tube (9), be electric connection between pressure sensor (10) and bee calling organ (8) and the controller simultaneously.

5. The sampling device for formaldehyde detection according to claim 1, wherein: stop device (13) are including screw thread barre (14) and fixed block (15), and screw thread barre (14) and fixed block threaded connection, and the bottom and backup pad (6) fixed connection of fixed block (15) simultaneously, screw thread barre (14) bottom and sampling bottle (11) contact.

6. The sampling device for formaldehyde detection according to claim 1, wherein: the filter flask (17) is in threaded connection with the filter cover (18), a filter screen (19) is arranged in the filter cover (18), and meanwhile, the filter screen (19) is connected with the filter cover (18) through a connecting piece (20).