An automatic smoke and dust detection device

Abstract

This utility model provides an automatic smoke and gas detection device, relating to the field of smoke and gas detection technology. It includes a support frame with a conversion mechanism mounted on top. The conversion mechanism comprises two detection cylinders, each with an air inlet pipe fixedly connected to its back. A smoke sensor and a gas sensor are fixedly installed on the inner wall of each cylinder. A piston is slidably connected to the inner wall of each cylinder, and a pull rod is fixedly connected to the front of each piston. This automatic smoke and gas detection device, with its two detection cylinders, allows for quick switching of the hose to the air inlet pipe of the other detection cylinder. When the smoke sensor or gas sensor in one detection cylinder malfunctions, a first electric push rod drives a connecting joint to slide on the outer surface of the air inlet pipe, enabling the other detection cylinder to be quickly put into use. This avoids the entire detection process being halted due to a single faulty component.

Description

Technical Field

[0001] This utility model relates to a detection device, specifically an automatic smoke and flue gas detection device, belonging to the field of smoke and flue gas detection technology. Background Technology

[0002] Smoke and flue gas detection refers to the monitoring and analysis of smoke, dust, flue gas components, and concentrations in the air using various instruments, equipment, and technical means. This type of detection is commonly used in industrial production processes, especially combustion processes, such as the control of emission sources like boilers and factory chimneys. Its main purpose is to ensure that exhaust emissions comply with environmental protection regulations and standards, thereby reducing air pollution.

[0003] Chinese Patent Publication CN210604584U discloses a low-concentration automatic smoke and dust detection device. The device uses a stirring device to stir the smoke inhaled through a six-hole connector, making the smoke inhaled uniform. This ensures that the smoke inhaled is uniform and the test results are accurate.

[0004] While the aforementioned patented technology can mix and detect flue gas during use, existing detection devices lack emergency response capabilities. When the instrument malfunctions, it becomes unusable, significantly impacting detection efficiency and affecting subsequent data calculation and analysis. Therefore, an automatic flue gas and dust detection device is proposed. Utility Model Content

[0005] This invention proposes an automatic smoke and dust detection device to solve the problem that existing detection devices do not have emergency response capabilities.

[0006] This utility model is achieved through the following technical solution: an automatic smoke and dust detection device, including a support frame, and a conversion mechanism is provided above the support frame;

[0007] The conversion mechanism includes two detection cylinders. Each detection cylinder has an air inlet pipe fixedly connected to its back side. Each detection cylinder has a dust sensor and a gas sensor fixedly installed on its inner wall. Each detection cylinder has a piston slidably connected to its inner wall. Each piston has a pull rod fixedly connected to its front side. One of the air inlet pipes has a connecting joint slidably connected to its outer surface. The back side of the connecting joint is fixedly connected to a flexible hose. The back side of the connecting joint is fixedly connected to a first electric push rod. The back side of the first electric push rod is fixedly connected to the front side of the support frame.

[0008] A power unit is installed above the support frame.

[0009] The power assembly includes a servo motor, the bottom surface of which is fixedly connected to the upper surface of the support frame. The outer surfaces of the two detection cylinders are fixedly connected to two connecting blocks. The outer surface of one of the connecting blocks is rotatably connected to the inner wall of the support frame, and the front of the other connecting block is fixedly connected to the output end of the servo motor. A second electric push rod is fixedly connected to the back of the support frame, and a pull frame is fixedly connected to the telescopic end of the second electric push rod.

[0010] The bottom surface of the support frame is fixedly connected to four casters, and the upper surface of the support frame is fixedly connected to two handrails.

[0011] A sealing gasket is fixedly connected to the inner wall of the connector, and the back of one of the air intake pipes is in contact with the front of the sealing gasket.

[0012] A guide post is fixedly connected to the back of the connector, and the outer surface of the guide post is slidably connected to the inner wall of the support frame.

[0013] A sampling tube is fixedly connected to the back of the hose, and the outer surface of the sampling tube is fixedly connected to the inner wall of the support frame.

[0014] This utility model provides an automatic smoke and dust detection device, which has the following beneficial effects:

[0015] This automatic smoke and gas detection device has two detection cylinders. When the smoke or gas sensor in one of the detection cylinders malfunctions, the first electric push rod drives the connecting joint to slide on the outer surface of the air inlet pipe, quickly switching the hose to the air inlet pipe of the other detection cylinder. This allows the other detection cylinder to be put into use immediately, avoiding the entire detection process from being halted due to the failure of a single detection component. This redundant design forms an effective emergency protection mechanism, eliminating the need for downtime maintenance, greatly improving detection efficiency, and preventing equipment failure from affecting the calculation and analysis of subsequent detection data.

[0016] The automatic smoke and dust detection device enhances the reliability and detection efficiency of the device through the coordinated operation of the power component and the conversion mechanism. The servo motor drives the detection cylinder to rotate, and the first electric push rod enables the conversion connection of the pipeline. The second electric push rod and the pull frame enable precise control of the piston inside the detection cylinder. When the detection cylinder is switched to use, the second electric push rod pushes the pull frame, and the pull rod pulls the piston to form a stable negative pressure inside the detection cylinder, ensuring that the smoke can quickly and stably enter the detection cylinder through the air inlet pipe, thereby improving the smoke sampling efficiency. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the support frame structure of this utility model;

[0018] Figure 2This is a schematic diagram of the detection cylinder structure of this utility model;

[0019] Figure 3 This is a cross-sectional view of the detection cylinder of this utility model;

[0020] Figure 4 This is a cross-sectional view of the connection joint of this utility model.

[0021] Explanation of reference numerals in the attached figures

[0022] 1. Support frame;

[0023] 2. Conversion mechanism; 201. Detection cylinder; 202. Air inlet pipe; 203. Smoke and dust sensor; 204. Gas sensor; 205. Piston; 206. Pull rod; 207. Connecting joint; 208. Hose; 209. First electric push rod;

[0024] 3. Power assembly; 301. Servo motor; 302. Second electric actuator; 303. Connecting block; 304. Pull frame;

[0025] 4. Handrail; 5. Casters; 6. Sampling tube; 7. Guide post; 8. Sealing gasket. Detailed Implementation

[0026] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this application.

[0027] Please see Figures 1-4 This utility model provides an automatic smoke and dust detection device, including a support frame 1, and a conversion mechanism 2 is provided above the support frame 1;

[0028] The conversion mechanism 2 includes two detection cylinders 201, each with an air inlet pipe 202 fixedly connected to its back. The bottom surface of the support frame 1 is fixedly connected to four casters 5, and the upper surface of the support frame 1 is fixedly connected to two handrails 4. The casters 5 are made of high-strength polyurethane material, which has good wear resistance and quietness. Each caster 5 is equipped with a brake device. Through the foot-operated brake mechanism, the operator can easily control the movement and fixation of the detection device. The surface of the handrails 4 is covered with non-slip rubber material, which makes it easy for the operator to push or pull the detection device.

[0029] Please refer to this carefully. Figure 4Each detection cylinder 201 has a dust sensor 203 fixedly installed on its inner wall, a gas sensor 204 fixedly installed on its inner wall, and a piston 205 slidably connected to the inner wall of each detection cylinder 201. A pull rod 206 is fixedly connected to the front of each piston 205. A connecting joint 207 is slidably connected to the outer surface of one of the air inlet pipes 202. A sealing gasket 8 is fixedly connected to the inner wall of the connecting joint 207. The back of one of the air inlet pipes 202 is in contact with the front of the sealing gasket 8. The sealing gasket 8 is made of high-temperature resistant and acid and alkali resistant silicone rubber, which has good elasticity and sealing performance. When the connecting joint 207 is pushed by the first electric push rod 209 to connect with the air inlet pipe 202, the sealing gasket 8 is squeezed and undergoes elastic deformation, tightly fitting the surface of the air inlet pipe 202, effectively preventing smoke leakage.

[0030] Please refer to this carefully. Figure 4 A flexible hose 208 is fixedly connected to the back of the connector 207. A first electric push rod 209 is fixedly connected to the back of the connector 207. A guide post 7 is fixedly connected to the back of the connector 207. The outer surface of the guide post 7 is slidably connected to the inner wall of the support frame 1. The guide post 7 is made of high-precision stainless steel, which has good rigidity and wear resistance. When the first electric push rod 209 pushes the connector 207 to move, the guide post 7 slides in the groove of the support frame 1, which plays a precise guiding role and ensures that the connector 207 is accurately connected or disconnected from the intake pipe 202.

[0031] Please refer to this carefully. Figure 1 and Figure 3 The back of the first electric push rod 209 is fixedly connected to the front of the support frame 1. The back of the hose 208 is fixedly connected to the sampling tube 6. The outer surface of the sampling tube 6 is fixedly connected to the inner wall of the support frame 1. The sampling tube 6 is made of high temperature and corrosion resistant polytetrafluoroethylene material, which can adapt to various complex flue gas environments. The flue gas can be conveniently transported to the inside of the detection cylinder 201 through the sampling tube 6.

[0032] Please refer to this carefully. Figure 2 and Figure 3A power assembly 3 is installed above the support frame 1. The power assembly 3 includes a servo motor 301. The bottom surface of the servo motor 301 is fixedly connected to the upper surface of the support frame 1. Two connecting blocks 303 are fixedly connected to the outer surfaces of the two detection cylinders 201. The outer surface of one connecting block 303 is rotatably connected to the inner wall of the support frame 1, and the front surface of the other connecting block 303 is fixedly connected to the output end of the servo motor 301. A second electric push rod 302 is fixedly connected to the back of the support frame 1. A pull frame 304 is fixedly connected to the telescopic end of the second electric push rod 302. The servo motor 301 drives the detection cylinder 201 to rotate. With the cooperation of the first electric push rod 209, the pipe can be switched and connected. The second electric push rod 302 pushes the pull frame 304, and the pull rod 206 pulls the piston 205 to form a stable negative pressure inside the detection cylinder 201, ensuring that the flue gas can quickly and stably enter the detection cylinder 201 through the air inlet pipe 202 for detection.

[0033] When using this utility model: First, the operator connects the dust sensor 203, gas sensor 204, first electric push rod 209, second electric push rod 302 and servo motor 301 to the power supply so that they can be in a stable power supply state. The power supply can be a portable power supply, which makes it convenient to move the power supply.

[0034] Upon arrival at the testing location, the staff activates the gas sensor 204 and the smoke sensor 203 on the upper detection cylinder 201. Then, they extend the sampling tube 6 into the flue gas environment to be tested and activate the second electric push rod 302. The second electric push rod 302 pulls the pull frame 304, and the pull rod 206 pulls the piston 205 to create a stable negative pressure inside the detection cylinder 201. This ensures that the flue gas can quickly and stably enter the detection cylinder 201 through the air inlet pipe 202, thereby enabling the detection of flue gas and smoke. After the test is completed, the second electric push rod 302 is used again to reset the piston 205, allowing the flue gas inside the detection cylinder 201 to be discharged.

[0035] When the testing instrument malfunctions during testing, the staff immediately activates the first electric push rod 209. The first electric push rod 209 drives the connecting joint 207 to slide on the outer surface of the air inlet pipe 202, thereby separating the connecting joint 207 from the air inlet pipe 202 on the upper testing cylinder 201. Then, the servo motor 301 is activated, driving the testing cylinder 201 to rotate, which allows the lower testing cylinder 201 to rotate to the upper position, thus enabling emergency switching. Then, in conjunction with the first electric push rod 209, the connecting joint 207 is inserted into another air inlet pipe 202, thereby realizing the switching connection of the pipeline. When the testing cylinder 201 rotates, the pull rod 206 can rotate out from the gap in the pull frame 304 until it rotates 180 degrees, after which the lower pull rod 206 can enter the pull frame 304. Finally, the emergency testing instrument below can be used for testing.

[0036] The dust sensor 203 is a light scattering type dust sensor. It utilizes the phenomenon of dust particles scattering light when light passes through dusty flue gas. The dust concentration is reflected by detecting the intensity of the scattered light. The gas sensor 204 is an infrared absorption type sensor. It mainly uses the characteristic absorption of infrared light of specific wavelengths by different gas molecules to calculate the gas concentration by measuring the light intensity attenuation.

[0037] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An automatic soot flue gas detection device comprising a support frame (1), characterized in that: A conversion mechanism (2) is provided above the support frame (1); The conversion mechanism (2) includes two detection cylinders (201). Each detection cylinder (201) has an air inlet pipe (202) fixedly connected to its back side. Each detection cylinder (201) has a dust sensor (203) fixedly installed on its inner wall. Each detection cylinder (201) has a gas sensor (204) fixedly installed on its inner wall. Each detection cylinder (201) has a piston (205) slidably connected to its inner wall. Each piston (205) has a pull rod (206) fixedly connected to its front side. One of the air inlet pipes (202) has a connecting joint (207) slidably connected to its outer surface. The connecting joint (207) has a hose (208) fixedly connected to its back side. The connecting joint (207) has a first electric push rod (209) fixedly connected to its back side. The back side of the first electric push rod (209) is fixedly connected to the front side of the support frame (1). A power assembly (3) is provided above the support frame (1).

2. The automatic soot smoke detection device according to claim 1, characterized in that: The power assembly (3) includes a servo motor (301), the bottom surface of which is fixedly connected to the upper surface of the support frame (1), and the outer surfaces of the two detection cylinders (201) are fixedly connected to two connecting blocks (303). The outer surface of one of the connecting blocks (303) is rotatably connected to the inner wall of the support frame (1), and the front of the other connecting block (303) is fixedly connected to the output end of the servo motor (301). The back of the support frame (1) is fixedly connected to a second electric push rod (302), and the telescopic end of the second electric push rod (302) is fixedly connected to a pull frame (304).

3. The automatic soot smoke detection device according to claim 1, characterized in that: The bottom surface of the support frame (1) is fixedly connected with four casters (5), and the upper surface of the support frame (1) is fixedly connected with two handrails (4).

4. The automatic soot smoke detection device according to claim 1, characterized in that: A sealing gasket (8) is fixedly connected to the inner wall of the connecting joint (207), and the back of one of the air intake pipes (202) is in contact with the front of the sealing gasket (8).

5. The automatic soot smoke detection device according to claim 1, characterized in that: The back of the connecting joint (207) is fixedly connected to a guide post (7), and the outer surface of the guide post (7) is slidably connected to the inner wall of the support frame (1).

6. The automatic smoke and dust detection device according to claim 1, characterized in that: The back of the hose (208) is fixedly connected to a sampling tube (6), and the outer surface of the sampling tube (6) is fixedly connected to the inner wall of the support frame (1).

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