Pollution source timing sampling detection device

Abstract

The utility model belongs to the technical field of online pollution source detection, and discloses a pollution source timing sampling detection device which comprises a rack device used for supporting and fixing and further comprises a driving device installed in the middle of the rack device and used for providing rotating power, and a collecting device used for timing sampling is installed at the top of the driving device. The acquisition device is connected with the driving device in a plugging manner; the collecting device comprises a rotating frame, a controller is installed in the middle of the top of the rotating frame, a plurality of collecting cavities are evenly distributed in the circumference of the rotating frame, a sealing cover is installed in front of each collecting cavity, and a rubber band is arranged in the middle of each sealing cover. According to the fixed-time sampling and detecting device for the pollution source, the continuity of fixed-time and fixed-point detection is ensured through the arrangement of fixed-point continuous sampling; through the arrangement of sequential circulating sampling of the multiple sampling cavities, cross contamination of samples at all time points is reduced; through the arrangement of the rotary centrifugal opening and closing device, the sampling speed of the pollution source gas is increased.

Description

Technical Field

[0001] The utility model belongs to the technical field of online pollution source detection, in particular to a pollution source timing sampling detection device. Background Art

[0002] Pollution is a major environmental problem facing the world today, and online monitoring technology for pollution sources is one of the important measures to solve this problem. Online monitoring technology can help managers understand the emission of pollution sources in real time and reduce the occurrence and spread of environmental pollution.

[0003] A Chinese patent with announcement number CN208012918U discloses an industrial gas pollution source sampling and monitoring device, including an unmanned aerial vehicle and a sampling and monitoring device arranged on the unmanned aerial vehicle carrier. The sampling and monitoring device includes a pollution source gas sensor group, a gas collector and a controller. The controller is arranged at the lower part of the unmanned aerial vehicle carrier, and the pollution source gas sensor group and the gas collector are arranged and installed in sequence from top to bottom relative to the bottom of the controller; wherein the pollution source gas sensor group includes at least: a carbon monoxide sensor, a sulfur dioxide sensor, a nitrogen dioxide sensor, a nitrogen oxide sensor, and a smoke exhaust gas sensor; the gas collector includes a plurality of negative pressure container bags, an isolation frame and an electronic valve, the negative pressure container bags are arranged side by side in the isolation frame, the opening of the negative pressure container bags is arranged on the isolation frame bracket, and the opening is locked and sealed by the electronic valve, and the electronic valve is electrically connected to the controller.

[0004] However, it is difficult for the above patent to ensure continuous sampling and testing of multiple negative pressure container bags at a certain fixed position, and only interval sampling can be performed at different locations. Therefore, a new device must be designed. Utility Model Content

[0005] The purpose of the utility model is to provide a pollution source timing sampling detection device to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A pollution source timed sampling detection device comprises a frame device for supporting and fixing, and also comprises a driving device installed in the middle of the frame device for providing rotational power, a collecting device for timed sampling is installed on the top of the driving device, and the collecting device and the driving device are plug-in connected; the collecting device comprises a rotating frame, a controller is installed in the middle of the top of the rotating frame, a plurality of collecting cavities are evenly distributed on the circumference of the rotating frame, a sealing cover is installed in front of the collecting cavity, a rubber band is arranged in the middle of the sealing cover, two electromagnetic lock buckles are symmetrically installed on one side of the collecting cavity, a limiting hole is arranged in the middle of the bottom of the rotating frame, and a plurality of gas sensors are evenly distributed on the circumference of the top of the rotating frame.

[0008] Furthermore: the frame device includes a fixing frame, a motor seat is installed in the fixing frame, and a bearing seat is arranged in the middle of the fixing frame.

[0009] Furthermore: the driving device includes an electric motor, a first pulley is installed on the electric motor, a second pulley is arranged on one side of the first pulley, a transmission belt is installed between the first pulley and the second pulley, and a transmission shaft is arranged on the second pulley.

[0010] Furthermore: the fixing frame is a double-layer structure of upper and lower layers, and is made of Q235 steel material.

[0011] Furthermore: the transmission shaft and the limiting hole are connected by cross spline plug-in connection.

[0012] Furthermore: the rotating frame is circular, and 10 collection chambers and gas sensors are respectively provided, corresponding to each other and communicating with each other.

[0013] Compared with the prior art, the beneficial effects are:

[0014] 1. Through the setting of fixed-point continuous sampling, the continuity of fixed-point detection is ensured;

[0015] 2. The setting of sequential cyclic sampling in multiple sampling chambers reduces the cross contamination of samples at different time points;

[0016] 3. The speed of sampling the pollution source gas is accelerated by setting the rotating centrifugal opening and closing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a pollution source timing sampling detection device described in the utility model;

[0018] Figure 2 It is a schematic diagram of a rack device of a pollution source timing sampling detection device described in the utility model;

[0019] Figure 3 It is a schematic diagram of a driving device of a pollution source timing sampling detection device described in the utility model;

[0020] Figure 4 It is a top view axonometric diagram of a collection device of a pollution source timing sampling detection device described in the utility model;

[0021] Figure 5 It is a bottom-up axonometric diagram of a collection device of a pollution source timing sampling and detection device described in the utility model.

[0022] In the accompanying drawings: 1. rack device; 101. fixed frame; 102. motor seat; 103. bearing seat; 2. driving device; 201. motor; 202. first pulley; 203. transmission belt; 204. second pulley; 205. transmission shaft; 3. collection device; 301. rotating frame; 302. controller; 303. collection chamber; 304. electromagnetic lock; 305. sealing cover; 306. rubber band; 307. gas sensor; 308. limiting hole. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 5 A pollution source timed sampling detection device includes a frame device 1 for supporting and fixing, and also includes a driving device 2 installed in the middle of the frame device 1 for providing rotational power, and a collection device 3 for timed sampling is installed on the top of the driving device 2, and the collection device 3 and the driving device 2 are plug-in connected.

[0025] In this embodiment: the frame device 1 includes a fixing frame 101, which is a double-layer structure with upper and lower layers and is made of Q235 steel. A motor seat 102 is installed in the fixing frame 101, and a bearing seat 103 is arranged in the middle of the fixing frame 101. The fixing frame 101 is used to place the whole at the pollution source detection position. The motor seat 102 is used to support the motor 201, and the bearing seat 103 is used to support the rotation of the transmission shaft 205;

[0026] In this embodiment: the driving device 2 includes a motor 201, a first pulley 202 is installed on the motor 201, a second pulley 204 is arranged on one side of the first pulley 202, a transmission belt 203 is installed between the first pulley 202 and the second pulley 204, a transmission shaft 205 is arranged on the second pulley 204, and the transmission shaft 205 and the limiting hole 308 are connected by a cross spline plug-in connection. The motor 201 drives the first pulley 202 to rotate, and the transmission is transmitted through the transmission belt 203, so that the second pulley 204 drives the transmission shaft 205 to rotate under the support of the bearing seat 103, and the transmission shaft 205 drives the rotating frame 301 to rotate;

[0027] In this embodiment, the collection device 3 includes a rotating frame 301, which is circular, and a controller 302 is installed in the middle of the top of the rotating frame 301. There are 10 collection chambers 303 evenly distributed around the circumference of the rotating frame 301. A sealing cover 305 is installed in front of the collection chamber 303, and a rubber band 306 is arranged in the middle of the sealing cover 305. Two electromagnetic locks 304 are symmetrically installed on one side of the collection chamber 303. A limiting hole 308 is arranged in the middle of the bottom of the rotating frame 301. There are evenly distributed around the top of the rotating frame 301. There are 10 gas sensors 307, the collection chamber 303 and the gas sensors 307 correspond to each other and are connected. The controller 302 controls the switch of the electromagnetic lock 304 at a set time interval, so that the sealing cover 305 opens under the action of centrifugal force, and the pollution source gas is poured into the sampling chamber. Then the motor 201 stops, and the sealing cover 305 is reset under the elastic force of the rubber band 306 to close the sampling chamber. After the pollution source gas is stable, the gas sensor 307 transmits the detected pollution source gas information to the controller 302.

[0028] Working principle: The whole is placed at the pollution source detection position through the fixed frame 101, the motor seat 102 supports the motor 201 to drive the first pulley 202 to rotate, and the transmission is transmitted through the transmission belt 203, so that the second pulley 204 drives the transmission shaft 205 to rotate under the support of the bearing seat 103, and the transmission shaft 205 drives the rotating frame 301 to rotate. At the same time, the controller 302 controls the switch of the electromagnetic lock 304 according to the set time interval, so that the sealing cover 305 opens under the action of centrifugal force, and the pollution source gas is poured into the sampling chamber, and then the motor 201 stops, and the sealing cover 305 is reset under the elastic force of the rubber band 306 to close the sampling chamber. After the pollution source gas is stable, the gas sensor 307 transmits the detected pollution source gas information to the controller 302.

[0029] 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 variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pollution source timed sampling detection device, comprising a frame device for supporting and fixing, characterized in that: It also includes a driving device installed in the middle of the frame device for providing rotational power, a collecting device for timed sampling is installed on the top of the driving device, and the collecting device is connected to the driving device by plugging; The collection device includes a rotating frame, a controller is installed in the middle of the top of the rotating frame, a plurality of collection cavities are evenly distributed on the circumference of the rotating frame, a sealing cover is installed in front of the collection cavity, a rubber band is arranged in the middle of the sealing cover, two electromagnetic lock buckles are symmetrically installed on one side of the collection cavity, a limiting hole is arranged in the middle of the bottom of the rotating frame, and a plurality of gas sensors are evenly distributed on the circumference of the top of the rotating frame.

2. A pollution source timing sampling detection device according to claim 1, characterized in that: The frame device comprises a fixing frame, a motor seat is installed in the fixing frame, and a bearing seat is arranged in the middle of the fixing frame.

3. A pollution source timing sampling detection device according to claim 1, characterized in that: The driving device comprises an electric motor, a first pulley is mounted on the electric motor, a second pulley is arranged on one side of the first pulley, a transmission belt is installed between the first pulley and the second pulley, and a transmission shaft is arranged on the second pulley.

4. A pollution source timing sampling detection device according to claim 2, characterized in that: The fixing frame is a double-layer structure, made of Q235 steel.

5. A pollution source timing sampling detection device according to claim 3, characterized in that: The transmission shaft and the limiting hole are connected by cross spline plug-in connection.

6. A pollution source timing sampling detection device according to claim 1, characterized in that: The rotating frame is circular, and 10 collection chambers and 10 gas sensors are respectively provided, corresponding to each other and communicating with each other.

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