Spark detection internet alarm for hot blast stove

By combining the conduit with the reflector, the problem of easy damage to the ultraviolet photosensitive tube was solved, and the stability and safety of hot blast furnace spark detection were achieved.

CN224263687UActive Publication Date: 2026-05-19TONGLING MEITIAN NEW ENERGY TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TONGLING MEITIAN NEW ENERGY TECH CO LTD
Filing Date
2025-07-18
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

The ultraviolet photosensitive tubes of existing hot air furnaces are easily damaged by particulate impurities in the airflow, resulting in poor detection results.

Method used

The design incorporates a conduit and a meandering airflow channel. Gravity causes particulate impurities to collide with the inner wall of the conduit, preventing damage to the ultraviolet photosensitive tube. A reflector is used to reflect spark light to the photosensitive tube, and the centrifugal force of the rotating drum accelerates the airflow, ensuring the safety of the photosensitive tube.

Benefits of technology

It effectively protects the ultraviolet photosensitive tube from damage, ensures long-term operational quality, and achieves spark detection through electrical signals and alarm mechanisms.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a spark detection internet alarm for a hot blast stove, relates to the technical field of spark detection, and aims to solve the technical problems that a current direct-current airflow channel is poor in protection performance, a built-in ultraviolet photosensitive tube is easy to damage, and the detection effect is affected. An upper shell and a lower shell are installed on the upper side and the lower side of the guide pipe in a clamped mode respectively, a display screen is arranged on the upper side of the upper shell, a connecting hole and a top opening are formed in the bottom of the upper shell, a bottom opening is formed in the lower shell, connecting pieces are fixed to the upper ends of the two sides of the base, and the upper ends of the connecting pieces are inserted into butt joint openings. The detection mechanism is located between the top opening and the bottom opening of the upper shell and the bottom opening of the lower shell, the detection mechanism is composed of a rotary drum, and the lower end of the rotary drum is rotationally installed in the bottom opening. The device has the advantages that the roundabout airflow channel is formed, gravitational acceleration is formed to separate particle impurities in airflow from the probe, damage is prevented, and the detection quality is ensured.
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Description

Technical Field

[0001] This utility model relates to the field of spark detection technology, and more specifically, to an internet-connected spark detector alarm for hot blast stoves. Background Technology

[0002] The types of spark detectors for hot blast stoves are mainly classified according to their detection technology, structural form, and functional characteristics. Commonly used are infrared or ultraviolet detectors. Ultraviolet spark detectors utilize the ultraviolet photoelectric effect, detecting the ultraviolet light (wavelength 185–260 nm) generated by sparks through ultraviolet phototubes or ultraviolet photomultiplier tubes. When the intensity of ultraviolet light in the spark exceeds a threshold, the sensor generates an electrical signal to trigger an alarm.

[0003] Existing ultraviolet detectors use photosensitive ultraviolet tubes placed inside the hot air channel. However, existing DC channels expose the probe directly within the channel, leading to incomplete combustion in the hot air furnace and the presence of solid particulate impurities in the airflow. The current assembly method makes it easy for these particles to directly impact and damage the probe, affecting normal detection results. Therefore, we propose a spark detection internet alarm for hot air furnaces. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the existing technology, adapt to the needs of reality, and provide a spark detection Internet alarm for hot air furnaces to solve the technical problems of poor protection of current DC airflow channels and easy damage of built-in ultraviolet photosensitive tubes, which affect the detection effect.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a spark detector internet alarm for a hot blast stove, comprising a conduit, a base, and a detection mechanism. An upper shell and a lower shell are respectively snapped onto the upper and lower sides of the conduit. The upper shell has a display screen on its upper side and a connection hole and a top opening at its bottom. The lower shell has a bottom opening. Connecting pieces are fixed to the upper ends of both sides of the base, and the upper ends of the connecting pieces are inserted into the interface. The detection mechanism is located between the top opening and the bottom opening of the upper and lower shells. The detection mechanism is composed of a rotating cylinder, and the lower end of the rotating cylinder is rotatably installed in the bottom opening.

[0006] In use, the threaded end of the conduit is installed at the exhaust port of the hot air furnace. The hot airflow travels through the meandering airflow channel inside the conduit. Gravity causes particulate impurities in the hot airflow to impact the inner wall of the conduit. The airflow then exits through the opening at the other end of the conduit. The modular design makes the device easy to install. The meandering airflow channel design throws particulate impurities outward, avoiding contact with the ultraviolet photosensitive tube in the center, thus preventing impact damage and ensuring the long-term operating quality of the equipment. When sparks are generated in the hot airflow, they are reflected and refracted by the reflector through the airflow channel inside the conduit, guiding the light to the ultraviolet photosensitive tube. The ultraviolet photosensitive tube generates an electrical signal, which is transmitted to the display screen for data display. At the same time, the signal can be transmitted to an external alarm mechanism to complete the alarm operation. During operation, the motor drives the rotating drum to rotate. The rotation of the drum, together with the reflector, forms a centrifugal fan. The centrifugal force accelerates the flow rate of the airflow inside the conduit, increasing the centrifugal force and facilitating the outward guidance of particulate impurities in the airflow, further ensuring the practical safety of the ultraviolet photosensitive tube.

[0007] Preferably, the conduit has a meandering, overlapping design, and both ends of the conduit are provided with threaded connectors, with insertion grooves provided at the overlapping parts of the conduit.

[0008] Preferably, the upper shell and the lower shell are provided with an adapter port at the connection point, and the adapter ports are combined to form a bayonet. The bayonet is adapted to the guide tube. A connecting rod is fixed on the upper end face of the lower shell and the connecting rod is inserted into the corresponding connecting hole.

[0009] Preferably, a connection interface is provided on the outer side of the lower end face of the lower housing, and a motor is fixed in the middle of the lower end face of the lower housing, with the output shaft of the motor connected to the bottom of the rotating drum.

[0010] Preferably, the outer side of the rotating cylinder has a meandering side opening, and the side opening corresponds to the inner opening of the insertion groove, and reflective sheets are equidistantly distributed in the side opening.

[0011] Preferably, a threaded disc is threadedly installed at the upper opening of the rotating drum, and an ultraviolet photosensitive tube is fixed at the lower end face of the threaded disc. The ultraviolet photosensitive tube is located in the middle of the inside of the rotating drum and corresponds to the reflector at the side opening.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. This utility model designs a conduit with a threaded connection at the open end to the exhaust port of the hot air furnace. The hot airflow travels through a meandering airflow channel inside the conduit. Gravity causes particulate impurities in the hot airflow to impact the inner wall of the conduit. The airflow is then discharged through the opening at the other end of the conduit. The modular design makes the device easy to install. The meandering airflow channel design throws particulate impurities outward, preventing them from contacting the ultraviolet photosensitive tube in the center and avoiding impact damage, thus ensuring the long-term operating quality of the equipment.

[0014] 2. This utility model also incorporates a detection mechanism. When a spark is generated within the hot airflow, the spark passes through the airflow channel within the duct and is guided to the ultraviolet photosensitive tube by reflection and refraction through the reflector. The ultraviolet photosensitive tube generates an electrical signal, which is transmitted to the display screen for data display. Simultaneously, the signal can be transmitted to an external alarm mechanism to complete the alarm operation. During operation, the motor drives the rotating drum to rotate. The rotation of the drum, in conjunction with the reflector, forms a centrifugal fan, accelerating the airflow rate within the duct through centrifugal force. This increases the centrifugal force during airflow, facilitating the outward guidance of particulate impurities within the airflow and further ensuring the practical safety of the ultraviolet photosensitive tube. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0016] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0017] Figure 3 This is a schematic diagram of the unfolded structure of this utility model;

[0018] Figure 4 This is a bottom view of the structure of this utility model;

[0019] Figure 5 This is a schematic diagram of the catheter structure of this utility model;

[0020] Figure 6 This is a schematic diagram of the combined structure of this utility model;

[0021] Figure 7 This is a schematic diagram of the detection mechanism of this utility model.

[0022] The following are the labels in the diagram: 1. Upper housing; 101. Display screen; 102. Connecting hole; 103. Top opening; 2. Conduit; 201. Connector; 202. Insertion slot; 3. Lower housing; 301. Motor; 302. Bottom opening; 303. Adapter port; 304. Connecting rod; 305. Interlocking interface; 4. Base; 401. Connecting piece; 5. Detection mechanism; 501. Threaded disc; 502. Rotating drum; 503. Side opening; 504. Reflector; 505. Ultraviolet photosensitive tube; 6. Bayonet. Detailed Implementation

[0023] like Figures 1 to 4 As shown, this utility model relates to a spark detector internet alarm for a hot air furnace, comprising a conduit 2, a base 4, and a detection mechanism 5. An upper housing 1 and a lower housing 3 are respectively snapped onto the upper and lower sides of the conduit 2. The upper housing 1 has a display screen 101 on its upper side, and a connection hole 102 and a top opening 103 at its bottom. The lower housing 3 has a bottom opening 302. Connecting pieces 401 are fixed to the upper ends of both sides of the base 4, and the upper ends of the connecting pieces 401 are inserted into the mating interfaces 305. The conduit 2 has a meandering, overlapping design, and both ends of the conduit 2 have threaded connectors 201. Insertion grooves 202 are provided at the overlapping parts of the conduit 2. Adaptor ports 303 are provided at the connection points of the upper housing 1 and the lower housing 3, and the adapter ports 303, when combined, form a snap-fit ​​6, which is compatible with the conduit 2. A connecting rod 304 is fixed to the upper end face of the housing 3, and the connecting rod 304 is inserted into the corresponding connecting hole 102. A connection interface 305 is opened on the outer side of the lower end face of the lower housing 3, and a motor 301 is fixed in the middle of the lower end face of the lower housing 3. The output shaft of the motor 301 is connected to the bottom of the rotating drum 502. The exhaust port of the hot air furnace is threaded at the open end of the duct 2. The hot air flows through the meandering airflow channel inside the duct 2. Gravity causes the particulate impurities in the hot air to collide with and adhere to the inner wall of the duct 2. Then the airflow is discharged through the opening at the other end of the duct 2. The assembled structural design makes the installation of this device convenient. The meandering airflow channel design causes the particulate impurities in the airflow to fly outward, avoiding contact with the ultraviolet photosensitive tube 505 in the center, avoiding impact damage, and ensuring the long-term operating quality of the equipment.

[0024] like Figures 2 to 7As shown, this utility model relates to a spark detector internet alarm for a hot blast stove, including a conduit 2, a base 4, and a detection mechanism 5. The detection mechanism 5 is located between the top opening 103 and the bottom opening 302 of the upper housing 1 and the lower housing 3. The detection mechanism 5 is composed of a rotating cylinder 502, and the lower end of the rotating cylinder 502 is rotatably installed inside the bottom opening 302. A meandering side opening 503 is provided on the outer side of the rotating cylinder 502, and the side opening 503 corresponds to the inner opening of the insertion groove 202. Reflectors 504 are evenly distributed in the side opening 503. A threaded disc 501 is threadedly installed at the upper opening of the rotating cylinder 502, and an ultraviolet photosensitive tube 505 is fixed on the lower end face of the threaded disc 501. The ultraviolet photosensitive tube 505 is located in the middle of the interior of the rotating cylinder 502, and corresponds to the side opening 504. When a spark is generated in the hot airflow, the reflector 504 of nozzle 503 directs the light to the ultraviolet phototube 505 through reflection and refraction as the spark passes through the airflow channel in the duct 2. The ultraviolet phototube 505 generates an electrical signal that is transmitted to the display screen 101 for data display. At the same time, the signal can be transmitted to an external alarm mechanism to complete the alarm operation. During operation, the motor 301 is started to drive the rotating drum 502 to rotate. During the rotation of the rotating drum 502, it works with the reflector 504 to form a centrifugal fan. Through centrifugal action, the flow rate of the airflow in the duct 2 is accelerated, and the centrifugal force of the airflow is increased, which facilitates the outward guidance of particulate impurities in the airflow and further ensures the practical safety of the ultraviolet phototube 505.

[0025] Working Principle: This embodiment provides a spark detection internet alarm for a hot air furnace. In use, the open end of the conduit 2 is threaded onto the exhaust port of the hot air furnace. The hot airflow runs through the meandering airflow channel inside the conduit 2. Gravity causes the particles and impurities in the hot airflow to collide with the inner wall of the conduit 2. Then the airflow is discharged through the opening at the other end of the conduit 2. When a spark is generated in the hot airflow, the spark passes through the airflow channel inside the conduit 2 and is guided to the ultraviolet photosensitive tube 505 by the reflection and refraction of the reflector 504. The ultraviolet photosensitive tube 505 generates an electrical signal, which is transmitted to the display screen 101 for data display. At the same time, the signal can be transmitted to an external alarm mechanism to complete the alarm operation. During operation, the motor 301 is started to drive the rotating drum 502 to rotate. During the rotation of the rotating drum 502, it works with the reflector 504 to form a centrifugal fan.

[0026] The embodiments disclosed herein are preferred embodiments, but are not limited thereto. Those skilled in the art can readily grasp the spirit of this utility model based on the above embodiments and make different extensions and variations. However, as long as they do not depart from the spirit of this utility model, they are all within the protection scope of this utility model.

Claims

1. A spark detection internet alarm for a hot blast stove, comprising a conduit (2), a base (4), and a detection mechanism (5), characterized in that: The upper and lower shells (1 and 3) are respectively snapped onto the upper and lower sides of the conduit (2). The upper shell (1) is provided with a display screen (101) on its upper side, and the bottom of the upper shell (1) is provided with a connection hole (102) and a top opening (103). The lower shell (3) is provided with a bottom opening (302). The upper ends of both sides of the base (4) are fixed with connecting pieces (401), and the upper ends of the connecting pieces (401) are inserted into the interface (305). The detection mechanism (5) is located between the top opening (103) and the bottom opening (302) of the upper shell (1) and the lower shell (3). The detection mechanism (5) is composed of a rotating cylinder (502), and the lower end of the rotating cylinder (502) is rotatably installed in the bottom opening (302).

2. The spark detection internet alarm for a hot blast stove according to claim 1, characterized in that: The conduit (2) has a meandering overlapping design, and both ends of the conduit (2) are provided with threaded connectors (201). The overlapping part of the conduit (2) is provided with a plug groove (202).

3. The spark detection internet alarm for a hot blast stove according to claim 2, characterized in that: The upper shell (1) and the lower shell (3) are provided with an adapter port (303) at the connection point, and the adapter ports (303) are combined to form a bayonet (6). The bayonet (6) is adapted to the guide tube (2). A connecting rod (304) is fixed on the upper end face of the lower shell (3), and the connecting rod (304) is inserted into the corresponding connecting hole (102).

4. The spark detection internet alarm for a hot blast stove according to claim 3, characterized in that: The lower end face of the lower housing (3) is provided with a connection interface (305), and a motor (301) is fixed in the middle of the lower end face of the lower housing (3). The output shaft of the motor (301) is connected to the bottom of the rotating drum (502).

5. The spark detection internet alarm for a hot blast stove according to claim 4, characterized in that: The outer side of the rotating cylinder (502) is provided with a meandering side opening (503), and the side opening (503) corresponds to the inner opening of the insertion groove (202). Reflectors (504) are evenly distributed in the side opening (503).

6. The spark detection internet alarm for a hot blast stove according to claim 5, characterized in that: A threaded disc (501) is threadedly installed at the upper opening of the rotating drum (502), and an ultraviolet photosensitive tube (505) is fixed on the lower end face of the threaded disc (501). The ultraviolet photosensitive tube (505) is located in the middle of the inside of the rotating drum (502) and corresponds to the reflector (504) of the side opening (503).