Intelligent electrical overheating protection device
Through the infrared sensor and liquid nitrogen cooling system of the intelligent electrical overheating protection device, the risk of fire caused by overheating of the electric conveyor belt is solved, rapid cooling protection is achieved, and the safety of the equipment is improved.
Patent Information
- Application Number
- CN202422533350.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-21
- Publication Date
- 2025-08-15
- Estimated Expiration
- 2034-10-21
AI Technical Summary
During operation, electric conveyor belts are prone to overheating due to excessive load, and the materials transmitted are flammable, causing high fire risk.
The intelligent electrical overheating protection device is adopted, and the temperature is detected by infrared inductors, and the adjustment mechanism driven by the liquid nitrogen cooling system and the servo motor can be achieved quickly.
Effectively prevent the temperature from rising too quickly, avoid fires, and improve equipment safety.
Smart Images

Figure CN223228640U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of electrical technology, in particular to an intelligent electrical overheat protection device. Background Art
[0002] Conveyor belts are suitable for conveying materials in industries such as coal, mining, ports, electricity, metallurgy, and building materials. They feature high tensile strength, long service life, minimal elongation, good troughing, and excellent flex resistance. They are suitable for conveying materials over long distances, large spans, large volumes, and at high speeds. They are commonly used for the circulation and packaging of goods in assembly lines and warehouses.
[0003] The load on the electric conveyor belt during operation is very large, resulting in very intensive use of the equipment, which can easily lead to overheating of the internal circuit system. Some materials transported by the conveyor belt are usually flammable, so once the internal circuit system overheats and causes a fire, it will cause very serious losses. Utility Model Content
[0004] The purpose of the present invention is to provide an intelligent electrical overheat protection device to solve the problems raised in the above background technology.
[0005] To achieve the above purpose, the present invention provides the following technical solutions:
[0006] An intelligent electrical overheat protection device comprises an electric transmission mechanism, an outer shell is mounted on the electric transmission mechanism, an adjustment mechanism is provided in the upper portion of the outer shell, and the adjustment mechanism is used to adjust the position of a dust blowing and cooling mechanism;
[0007] The adjustment mechanism includes a first servo motor, the output shaft of the first servo motor is connected to a push slot plate, and the push slot plate is used to adjust the movable plate by lifting and lowering the movable plate through a connecting rod;
[0008] The dust blowing and cooling mechanism includes a booster box, a liquid nitrogen input pipe and a booster air pipe are provided on the upper part of the booster box, a telescopic hose is connected to one side of the booster box, a solenoid valve is installed on the telescopic hose, and a duckbill air nozzle is connected to the end of the telescopic hose.
[0009] Furthermore, the electric transmission mechanism includes an active roller, an auxiliary roller and a support roller, and a steel mesh transmission belt is fitted on the active roller, the auxiliary roller and the support roller, and side beams are provided on both sides of the active roller, the auxiliary roller and the support roller.
[0010] Furthermore, both sides of the active roller shaft and the auxiliary roller shaft pass through the side beam plate respectively, and one side of the active roller shaft and the auxiliary roller shaft is movably installed on the side beam plate through a bearing cap, and the other side of the active roller shaft and the auxiliary roller shaft pass through the side beam plate and are respectively installed with a first rotating wheel and a second rotating wheel, and the first rotating wheel and the second rotating wheel are connected to a first transmission belt.
[0011] Furthermore, the outer shell is located between the side beam plate and the steel mesh conveyor belt, the two ends of the support roller are movably connected to the inner wall of the outer shell, a bottom plate is fixedly installed at the bottom of the outer shell, a dust collection pipe is opened in the middle of the bottom plate, and an entry baffle and an exhaust baffle are fixed at both ends of the outer shell respectively, and support legs are welded to the bottom of the side beam plate and the bottom of the bottom plate.
[0012] Furthermore, a third rotating wheel is provided on one side of the first rotating wheel, a mounting bracket is fixedly provided at one end of the base plate, a second servo motor is fixedly installed on the mounting bracket, a fourth rotating wheel is keyed to the shaft of the second servo motor, and the third rotating wheel and the fourth rotating wheel are connected by a second transmission belt.
[0013] Furthermore, the adjustment mechanism includes a limiting slide rail running through the middle of the outer shell, the movable plate is movable inside the limiting slide rail, the bottom of the movable plate is provided with an adapter plate through the limiting plate, and a connecting plate is fixedly provided on the outer side of the adapter plate.
[0014] Furthermore, an inclined plate is provided on one side of the connecting plate, the duckbill-type air nozzle is embedded in the interior of the inclined plate, and the boost box is fixedly installed on the upper part of the outer shell.
[0015] Furthermore, an infrared sensor is fixedly installed on the other side of the connecting plate, and an infrared transmitting head and an infrared receiving head are provided at the bottom of the infrared sensor.
[0016] Compared with the prior art, the beneficial effects of the present invention are:
[0017] When the utility model is in use, the workpiece is transported by the electric transport mechanism, and when the workpiece is transported, the temperature of the transport mechanism is detected by the infrared sensor in the dust blowing and cooling mechanism. Once the temperature is too high, the alarm is activated, and then the transport mechanism is cooled and blown by the pressurized liquid nitrogen to achieve rapid cooling of the transport mechanism. When the infrared sensor is used to detect the transport mechanism, the first servo motor in the adjustment mechanism pushes the slot plate and the connecting rod to achieve the lifting and lowering adjustment of the movable plate, thereby enabling the dust blowing and cooling mechanism to be lowered, so as to further cool the conveyor belt and prevent the temperature from rising too quickly to cause huge losses, thereby improving the safety of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the top structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the bottom-up structure of the present invention;
[0020] Figure 3 This is a schematic diagram of the internal structure of the utility model;
[0021] Figure 4 This is a schematic diagram of the adjustment mechanism and dust blowing and cooling mechanism of the utility model;
[0022] Figure 5 It is a partial structural diagram of the adjustment mechanism of the utility model.
[0023] In the figure: 1. Electric transmission mechanism; 101. Active roller; 102. Auxiliary roller; 103. Support roller; 104. First rotating wheel; 105. Second rotating wheel; 106. First transmission belt; 108. Second servo motor; 109. Fourth rotating wheel; 110. Third rotating wheel; 111. Second transmission belt; 112. Steel mesh transmission belt; 2. Adjustment mechanism; 201. Limiting slide rail; 202. Movable plate; 203. Limiting plate; 204. Adapter plate; 205. Connecting plate; 206. First servo motor; 207. Output shaft; 208, push groove plate; 209, connecting rod; 3, dust blowing and cooling mechanism; 301, booster box; 302, liquid nitrogen input pipe; 303, booster air pipe; 304, telescopic hose; 305, solenoid valve; 306, tilting plate; 307, duckbill air nozzle; 308, infrared sensor; 309, infrared transmitter; 310, infrared receiver; 4, outer shell; 5, discharge baffle; 6, entry baffle; 7, side beam plate; 8, bearing cap; 9, bottom plate; 10, support leg; 11, dust collection pipe; 12, mounting bracket. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0025] See also Figure 1-5 , the utility model provides a technical solution:
[0026] An intelligent electrical overheat protection device includes an electric transmission mechanism 1, an outer shell 4 is mounted on the electric transmission mechanism 1, and an adjustment mechanism 2 is provided in the upper portion of the outer shell 4, and the adjustment mechanism 2 is used to adjust the position of a dust blowing and cooling mechanism 3;
[0027] The adjustment mechanism 2 includes a first servo motor 206, an output shaft 207 of the first servo motor 206 is connected to a push slot plate 208, and the push slot plate 208 is used to raise and lower the movable plate 202 via a connecting rod 209;
[0028] The dust blowing and cooling mechanism 3 includes a booster box 301, and a liquid nitrogen input pipe 302 and a booster air pipe 303 are provided on the upper part of the booster box 301. A telescopic hose 304 is connected to one side of the booster box 301, and a solenoid valve 305 is installed on the telescopic hose 304. The end of the telescopic hose 304 is connected to a duckbill air nozzle 307.
[0029] In order to realize the transportation of the formed workpiece and facilitate the blowing off and discharge of dust, in this embodiment, preferably, the electric conveying mechanism 1 includes an active roller 101, an auxiliary roller 102 and a support roller 103, and a steel mesh conveyor belt 112 is fitted on the active roller 101, the auxiliary roller 102 and the support roller 103, and side beams 7 are provided on both sides of the active roller 101, the auxiliary roller 102 and the support roller 103.
[0030] In order to realize power transmission between the active roller shaft 101 and the auxiliary roller shaft 102 and facilitate the installation of the active roller shaft 101 and the auxiliary roller shaft 102, in this embodiment, preferably, both sides of the active roller shaft 101 and the auxiliary roller shaft 102 respectively pass through the side beam plate 7, one side of the active roller shaft 101 and the auxiliary roller shaft 102 is movably installed on the side beam plate 7 through the bearing cap 8, and the other side of the active roller shaft 101 and the auxiliary roller shaft 102 passes through the side beam plate 7 and is respectively installed with a first rotating wheel 104 and a second rotating wheel 105, and the first rotating wheel 104 and the second rotating wheel 105 are connected to a first transmission belt 106.
[0031] In order to achieve improved sealing of the outer shell 4, facilitate maintaining a low temperature inside, facilitate liquid nitrogen shaping of the workpiece, and realize dust discharge, in this embodiment, preferably, the outer shell 4 is located between the side beam plate 7 and the steel mesh conveyor belt 112, and the two ends of the support roller 103 are movably connected to the inner wall of the outer shell 4. The bottom of the outer shell 4 is fixedly installed with a bottom plate 9, and a dust collection pipe 11 is opened in the middle of the bottom plate 9. The two ends of the outer shell 4 are respectively fixed with an entry baffle 6 and an exhaust baffle 5, and support legs 10 are welded to the bottom of the side beam plate 7 and the bottom of the bottom plate 9.
[0032] In order to realize power output for the equipment and facilitate the rotation of the active roller 101, in this embodiment, preferably, a third wheel 110 is provided on one side of the first wheel 104, a mounting bracket 12 is fixedly provided at one end of the base plate 9, a second servo motor 108 is fixedly installed on the mounting bracket 12, a fourth wheel 109 is keyed to the shaft of the second servo motor 108, and the third wheel 110 and the fourth wheel 109 are connected via a second transmission belt 111.
[0033] In order to limit the movable plate 202 and maintain the vertical up and down movement adjustment of the stability of the movable plate 202, in this embodiment, preferably, the adjustment mechanism 2 includes a limiting slide rail 201 running through the middle of the outer shell 4, and the movable plate 202 is movable inside the limiting slide rail 201. The bottom of the movable plate 202 is provided with an adapter plate 204 through a limiting plate 203, and a connecting plate 205 is fixed to the outer side of the adapter plate 204.
[0034] In order to achieve the installation and fixation of the duckbill air nozzle 307 and maintain the stability of the duckbill air nozzle 307, in this embodiment, preferably, an inclined plate 306 is provided on one side of the connecting plate 205, the duckbill air nozzle 307 is embedded in the inside of the inclined plate 306, and the booster box 301 is fixedly installed on the upper part of the outer shell 4.
[0035] In order to detect the electric transmission mechanism 1 and facilitate automatic control and adjustment, in this embodiment, preferably, an infrared sensor 308 is fixedly installed on the other side of the connecting plate 205, and an infrared transmitter head 309 and an infrared receiver head 310 are provided at the bottom of the infrared sensor 308.
[0036] Working principle: When in use, the second servo motor 108 in the electric transmission mechanism 1 drives the active roller 101 to rotate, and the steel mesh conveyor belt 112 is able to run under the action of the auxiliary roller 102 and the support roller 103, and drives the workpiece to be transported to the inside of the outer shell 4; the infrared transmitter 309 and the infrared receiver 310 on the infrared sensor 308 detect the electric transmission mechanism 1. When the temperature is overheated, the control system controls the first servo motor 206 to run, so that the first servo motor 206 can push the slot plate 208 to move the workpiece. The movable plate 202 is rotated so that the movable plate 202 can follow the pushing groove plate 208 under the action of the limiting slide rail 201 to achieve vertical lifting and lowering adjustment, driving the dust blowing and cooling mechanism 3 to move downward and fit onto the upper part of the conveyor belt. The booster box 301 mixes the liquid nitrogen cold air and the pressurized gas through the liquid nitrogen input pipe 302 and the booster gas pipe 303, and then discharges the pressurized cold air from the duckbill air nozzle 307 through the solenoid valve 305 and the telescopic hose 304 to cool down the electric conveying mechanism 1 to prevent the temperature from rising too quickly and causing accidents such as fire.
[0037] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An intelligent electrical overheat protection device, comprising an electric transmission mechanism (1), characterized in that: An outer shell (4) is mounted on the electric transmission mechanism (1). An adjusting mechanism (2) is provided in the upper portion of the outer shell (4). The adjusting mechanism (2) is used to adjust the position of the dust blowing and cooling mechanism (3). The adjusting mechanism (2) includes a first servo motor (206). The output shaft (207) of the first servo motor (206) is connected to a push slot plate (208). The push slot plate (208) raises and lowers the movable plate (202) via a connecting rod (209). The dust blowing and cooling mechanism (3) includes a booster box (301). A liquid nitrogen input pipe (302) and a booster air pipe (303) are provided on the upper portion of the booster box (301). A telescopic hose (304) is connected to one side of the booster box (301). A solenoid valve (305) is mounted on the telescopic hose (304). A duckbill-type air nozzle (307) is connected to the end of the telescopic hose (304).
2. The intelligent electrical overheat protection device according to claim 1, characterized in that: The electric transmission mechanism (1) includes a driving roller (101), an auxiliary roller (102) and a supporting roller (103); a steel mesh transmission belt (112) is fitted on the driving roller (101), the auxiliary roller (102) and the supporting roller (103); and side beams (7) are provided on both sides of the driving roller (101), the auxiliary roller (102) and the supporting roller (103).
3. The intelligent electrical overheat protection device according to claim 2, characterized in that: Both sides of the active roller shaft (101) and the auxiliary roller shaft (102) respectively pass through the side beam plate (7); one side of the active roller shaft (101) and the auxiliary roller shaft (102) is movably mounted on the side beam plate (7) through a bearing cap (8); the other side of the active roller shaft (101) and the auxiliary roller shaft (102) passes through the side beam plate (7) and is respectively mounted with a first rotating wheel (104) and a second rotating wheel (105); the first rotating wheel (104) and the second rotating wheel (105) are connected to a first transmission belt (106).
4. The intelligent electrical overheat protection device according to claim 3, characterized in that: The outer shell (4) is located between the side beam plate (7) and the steel mesh conveyor belt (112), and the two ends of the support roller shaft (103) are movably connected to the inner wall of the outer shell (4). A bottom plate (9) is fixedly installed at the bottom of the outer shell (4), and a dust collection pipe (11) is opened in the middle of the bottom plate (9). An inlet baffle (6) and an outlet baffle (5) are fixedly provided at both ends of the outer shell (4), respectively. Support legs (10) are welded to the bottoms of the side beam plate (7) and the bottom plate (9).
5. The intelligent electrical overheat protection device according to claim 4, characterized in that: A third rotating wheel (110) is provided on one side of the first rotating wheel (104), a mounting frame (12) is fixedly provided on one end of the base plate (9), a second servo motor (108) is fixedly mounted on the mounting frame (12), a fourth rotating wheel (109) is keyed to the shaft of the second servo motor (108), and the third rotating wheel (110) and the fourth rotating wheel (109) are connected to each other through a second transmission belt (111).
6. The intelligent electrical overheat protection device according to claim 1, characterized in that: The adjustment mechanism (2) includes a limiting slide rail (201) that passes through the middle of the outer shell (4); the movable plate (202) is movable inside the limiting slide rail (201); a transfer plate (204) is provided at the bottom of the movable plate (202) through a limiting plate (203); and a connecting plate (205) is fixedly provided on the outer side of the transfer plate (204).
7. The intelligent electrical overheat protection device according to claim 6, characterized in that: An inclined plate (306) is provided on one side of the connecting plate (205), the duckbill-type air nozzle (307) is embedded in the interior of the inclined plate (306), and the boost box (301) is fixedly mounted on the upper portion of the outer shell (4).
8. The intelligent electrical overheat protection device according to claim 6, characterized in that: An infrared sensor (308) is fixedly mounted on the other side of the connecting plate (205), and an infrared emitting head (309) and an infrared receiving head (310) are provided at the bottom of the infrared sensor (308).