Protective door for infrared lamp tube heating device
By introducing a power-off protection mechanism and a protective mechanism into the protective door of the infrared lamp heating device, the problem of the protective door not having automatic power-off function is solved, realizing the functions of automatic power supply and power-off, improving safety, enhancing the blocking effect of infrared radiation, and ensuring the safety of the operator.
Patent Information
- Application Number
- CN202520158373.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-01-22
AI Technical Summary
The protective doors of existing infrared lamp heating devices do not have an automatic power-off function when opened, which may cause workers to forget to close them, resulting in heat damage to the human body from infrared radiation, thus posing a low safety risk.
A protective door including a power-off protection mechanism and a protective mechanism was designed. Through the cooperation of a trigger post, an elastic element and a synchronous cylinder, the protective door automatically disconnects the circuit when it is opened and automatically supplies power when it is closed. The protective door is provided with a metal layer and a reflective coating to enhance the barrier effect, and is equipped with a convenient observation component to facilitate the observation of the internal status.
The system automatically cuts off power when the protective door is opened, preventing heat damage caused by forgetting to close it and improving safety. It also enhances the blocking effect against infrared radiation through metal layers and reflective coatings, ensuring operator safety.
Smart Images
Figure CN223957666U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to infrared heating protection technical field, specifically, relate to a kind of for infrared lamp tube heating device's protective door. BACKGROUND
[0002] Infrared lamp tube heating device is a kind of equipment using infrared radiation principle to heat, mainly by infrared lamp tube, reflector and power supply etc. It works by converting electrical energy into infrared radiation energy, directly radiate to the heated object, so that it heats up. Infrared lamp tube heater is usually composed of one or more infrared lamp tubes, and the lamp tube contains an infrared emitter. The emitter generates infrared radiation by passing an electric current.
[0003] To protect the health of workers inside the workshop, the operating end of the infrared lamp tube heating device will be provided with a protective door to protect the workers. However, the existing protective door does not have an automatic power-off function. If the worker forgets to turn off the infrared lamp tube heating device when opening the protective door, the infrared radiation generated by the infrared lamp tube heating device will directly transfer to the operator's body, which can easily cause thermal injury to the human body, such as skin burns, and the safety is low. SUMMARY
[0004] The utility model aims at providing a protective door for infrared lamp tube heating device, which solves the problem of not having automatic power-off function for infrared lamp tube heating device when opening the protective door in the prior art, thereby reducing the risk.
[0005] The utility model provides the following technical scheme: a protective door for infrared lamp tube heating device, comprising:
[0006] A door frame is fixedly connected with a connecting frame body at the back.
[0007] A power-off protection mechanism is arranged on the inner wall of the door frame, and is used to power off the infrared lamp tube heating device when it is opened. The power-off protection mechanism comprises an internal box, which is fixedly installed on the inner wall near the bottom of the door frame. A top plate is fixedly installed on the top of the internal box. A trigger column is slidably connected to the inner wall of the top plate. An insulating support block is fixedly installed on the back of the inner wall of the internal box. An elastic member is fixedly installed on the top of the insulating support block.
[0008] A protection mechanism is arranged on the door frame, and is used to block the infrared radiation generated by the infrared lamp tube heating device.
[0009] As the preferred technical scheme of the above, the front of the built-in box is provided with a wire arrangement hole, the back of the inner wall of the built-in box is fixedly installed with an insulating support leg, the front of the insulating support leg is fixedly installed with a strip-shaped alloy conductor I, and the right end of the strip-shaped alloy conductor I is fixedly connected with a circular alloy conductor I.
[0010] As the preferred technical scheme of the above, the top of the circular alloy conductor I is fixedly connected with an insulating column, the outer wall of the insulating column is slidably connected with a circular alloy conductor II, the right side of the circular alloy conductor II is fixedly installed with a strip-shaped alloy conductor II, the back of the strip-shaped alloy conductor II is fixedly installed with a connecting block, and the bottom of the connecting block is fixedly installed with the elastic piece.
[0011] As the preferred technical scheme of the above, the top of the strip-shaped alloy conductor I and the strip-shaped alloy conductor II are both provided with a through hole, and the strip-shaped alloy conductor I and the strip-shaped alloy conductor II are both threadedly connected with a fixing bolt.
[0012] Through the above technical scheme, the strip-shaped alloy conductor I and the strip-shaped alloy conductor II are connected with the electric wire through the through hole and the fixing bolt.
[0013] As the preferred technical scheme of the above, the protection mechanism comprises a synchronous air cylinder, the synchronous air cylinder is fixedly installed on the side of the door frame, the telescopic end of the synchronous air cylinder is fixedly installed with a connecting frame, the bottom of the connecting frame is fixedly installed with a protection door, and the protection door is provided with a convenient observation assembly.
[0014] Through the above technical scheme, the synchronous air cylinder can drive the protection door to lift, so that the opening and closing function is realized.
[0015] As the preferred technical scheme of the above, the back of the protection door is fixedly connected with a metal layer, and the back of the metal layer is fixedly connected with a reflective coating.
[0016] Through the above technical scheme, the metal layer and the reflective coating can improve the effect of blocking infrared radiation of the protection door.
[0017] As the preferred technical scheme of the above, the convenient observation assembly comprises an embedded frame, the embedded frame is fixedly installed on the inner wall of the protection door, the inner wall of the embedded frame is fixedly installed with a tan glass, the front of the embedded frame is fixedly installed with a convex frame, and the inner cavity of the convex frame is rotatably connected with a metal plate.
[0018] Through the above technical scheme, the tan glass, the convex frame and the metal plate can facilitate the user to open the metal plate to observe the processing state in the infrared lamp tube heating device.
[0019] Compared with the prior art, the utility model has the advantages of:
[0020] 1. The utility model discloses a whole design of power-off protection mechanism, through the cooperation of trigger column, elastic member and protective door, realize the automatic opening or closing of circuit, can press down trigger column after the closure of protective door, can power supply infrared lamp tube heating device, after the opening of protective door, through the reset elastic force of elastic member, disconnect the power supply circuit of infrared lamp tube heating device, realize the function of automatic closing, avoid the problem that user forgets to close infrared lamp tube heating device and leads to the heat injury of extremely easy, improve the security of the device.
[0021] 2. In the power-off protection mechanism of the utility model, after the closure of the protective door, the trigger column can be pressed down, the circular alloy conductor one and the circular alloy conductor two are tightly attached, and the infrared lamp tube heating device can be powered, after the opening of the protective door, the reset elastic force of the elastic member can drive the circular alloy conductor two to slide upward, so that there is a gap between the circular alloy conductor one and the circular alloy conductor two, the power supply circuit of the infrared lamp tube heating device is disconnected, and the opening and closing of the circuit is stable and reliable. ACCURACY OF DRAWINGS
[0022] Figure 1 It is the perspective drawing of the utility model;
[0023] Figure 2 It is the structure schematic view of the built-in box of the utility model;
[0024] Figure 3 It is the internal structure schematic view of the built-in box of the utility model;
[0025] Figure 4 It is the structure schematic view of the protective door of the utility model;
[0026] Figure 5 It is the separated structure schematic view of the metal layer and the reflective coating of the utility model;
[0027] Figure 6 It is the exploded structure schematic view of the convenient observation assembly of the utility model.
[0028] In the drawing: 1, door frame; 11, connecting frame body; 2, power-off protection mechanism; 21, built-in box; 22, wire arrangement hole; 23, top plate; 24, trigger column; 25, insulating support leg; 26, strip-shaped alloy conductor one; 261, through hole; 262, fixed bolt; 27, circular alloy conductor one; 28, insulating column; 29, circular alloy conductor two; 291, strip-shaped alloy conductor two; 292, insulating support block; 293, elastic member; 294, connecting block; 3, protection mechanism; 31, synchronous air cylinder; 32, connecting frame; 33, protective door; 331, metal layer; 332, reflective coating; 34, convenient observation assembly; 341, embedded frame; 342, tea color glass; 343, convex frame; 344, metal plate. DETAILED DESCRIPTION
[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model.
[0030] As shown in Figures 1-6 The utility model provides a kind of technical scheme: a protective door for infrared lamp tube heating device, comprising:
[0031] Door frame 1, the back of door frame 1 is fixedly connected with connecting frame body 11;
[0032] Power-off protection mechanism 2, power-off protection mechanism 2 is arranged on the inner wall of door frame 1, and power-off protection mechanism 2 is used to power off infrared lamp tube heating device when being opened;
[0033] Protection mechanism 3, protection mechanism 3 is arranged on door frame 1, and protection mechanism 3 is used to block the infrared radiation generated by infrared lamp tube heating device.
[0034] As one of the embodiments in the embodiment, as Figure 1 、 Figure 2 、 Figure 3As shown, the power-off protection mechanism 2 includes an inner box 21 fixedly installed on the inner wall of the door frame 1 near the bottom, a wire arranging hole 22 is formed on the front of the inner box 21, a top plate 23 is fixedly installed on the top of the inner box 21, a trigger column 24 is slidably connected to the inner wall of the top plate 23, an insulating support block 292 is fixedly installed on the back of the inner wall of the inner box 21, an elastic member 293 is fixedly installed on the top of the insulating support block 292, an insulating support leg 25 is fixedly installed on the back of the inner wall of the inner box 21, a strip-shaped alloy conductor one 26 is fixedly installed on the front of the insulating support leg 25, a circular alloy conductor one 27 is fixedly connected to the right end of the strip-shaped alloy conductor one 26, an insulating column 28 is fixedly connected to the top of the circular alloy conductor one 27, a circular alloy conductor two 29 is slidably connected to the outer wall of the insulating column 28, a strip-shaped alloy conductor two 291 is fixedly installed on the right side of the circular alloy conductor two 29, a connecting block 294 is fixedly installed on the back of the strip-shaped alloy conductor two 291, an elastic member 293 is fixedly installed on the bottom of the connecting block 294, an insulating support block 292 is fixedly installed on the back of the inner wall of the inner box 21, the bottom of the elastic member 293 is fixedly connected to the top of the insulating support block 292, through holes 261 are formed on the top of the strip-shaped alloy conductor one 26 and the strip-shaped alloy conductor two 291, fixing pins 262 are threadedly connected to the strip-shaped alloy conductor one 26 and the strip-shaped alloy conductor two 291, the top of the circular alloy conductor one 27 is fixedly connected to the insulating column 28, the circular alloy conductor two 29 is slidably connected to the outer wall of the insulating column 28, the strip-shaped alloy conductor two 291 is fixedly installed on the right side of the circular alloy conductor two 29, the connecting block 294 is fixedly installed on the back of the strip-shaped alloy conductor two 291, the elastic member 293 is fixedly installed on the bottom of the connecting block 294, the live wire for supplying power to the infrared lamp tube heating device is disconnected, then the two disconnected parts of the live wire are introduced into the inner cavities of the two through holes 261 respectively, then the fixing pins 262 are tightened, the live wire is fixed at the ends of the strip-shaped alloy conductor one 26 and the strip-shaped alloy conductor two 291 respectively, the distance from the top of the trigger column 24 to the top of the top plate 23 is the same as the distance from the circular alloy conductor one 27 to the circular alloy conductor two 29, after the protection mechanism 3 is closed, the trigger column 24 is pressed down, which makes the circular alloy conductor one 27 and the circular alloy conductor two 29 closely fit, thereby the infrared lamp tube heating device can be powered, during the downward movement of the circular alloy conductor two 29, the elastic member 293 is compressed at the same time, after the protection mechanism 3 is opened, the reset elastic force of the elastic member 293 can drive the circular alloy conductor two 29 to vertically slide upward on the outer wall of the insulating column 28, so that there is a gap between the circular alloy conductor one 27 and the circular alloy conductor two 29, the power supply circuit of the infrared lamp tube heating device is disconnected, the automatic closing function is realized, the safety is improved, the internal electrical connection path of the inner box 21 is from the strip-shaped alloy conductor one 26 to the circular alloy conductor one 27 to the circular alloy conductor two 29 to the strip-shaped alloy conductor two 291.
[0035] As an implementation form in the embodiment, as shown in Figure 1 、 Figure 4 、 Figure 5 The protection mechanism 3 includes a synchronous cylinder 31 fixedly installed on the side of the door frame 1, a connecting frame 32 fixedly installed at the telescopic end of the synchronous cylinder 31, and a protection door 33 fixedly installed at the bottom of the connecting frame 32. The protection door 33 is provided with a convenient observation assembly 34, and the back of the protection door 33 is fixedly connected with a metal layer 331 and a reflective coating 332. The synchronous cylinder 31 is controlled to extend, the connecting frame 32 is driven to move upward, the protection door 33 is opened, the connecting frame 32 is controlled to reset, the protection door 33 is driven to move downward, and the protection door 33 is closed. The metal layer 331 and the reflective coating 332 improve the infrared radiation blocking effect of the protection door 33. The reflective coating 332 is a coating prepared by taking synthetic resin as a base material and adding functional fillers and additives. The reflective coating 332 has high solar reflectance, near-infrared reflectance and hemispherical emissivity. The metal layer 331 is made of aluminum-plated alloy, which has strong infrared reflectivity and almost completely reflects infrared rays.
[0036] As an implementation form in the embodiment, as shown in Figure 4 、 Figure 6 The convenient observation assembly 34 includes an embedded frame 341 fixedly installed on the inner wall of the protection door 33, a tan glass 342 fixedly installed on the inner wall of the embedded frame 341, and a convex frame 343 fixedly installed on the front of the embedded frame 341. The inner cavity of the convex frame 343 is rotatably connected with a metal plate 344. When the metal plate 344 is rotated and opened, an operator can observe the working state inside the infrared lamp tube heating device through the tan glass 342, which facilitates production. The metal plate 344 is made of aluminum-plated alloy, the tan glass 342 can block infrared radiation, and the safety of the operator during observation is ensured. The principle that the tan glass 342 can block infrared radiation is that a specific colorant is added to the tan glass 342. The colorant can absorb specific wavelengths of light, including infrared rays.
[0037] Working principle: when installing, install the connecting frame body 11 at the opening of the infrared lamp heating device, which can complete the positioning of the door frame 1, and the opening of the infrared lamp heating device can be protected through the protection door 33, the live wire for supplying power to the infrared lamp heating device is disconnected, then the two disconnected parts of the live wire are introduced into the inner cavity of the two through holes 261 respectively, then the fixed bolt 262 is tightened, and the live wire is fixed at the end of the strip-shaped alloy conductor one 26 and the strip-shaped alloy conductor two 291, when using, the synchronous cylinder 31 is controlled to stretch, the protection door 33 can be driven to move up through the connecting frame 32, the opening function is realized, then the connecting frame 32 is reset, the protection door 33 can be driven to move down, the closing function is realized, after the protection mechanism 3 is closed, the trigger column 24 is pressed down, the circular alloy conductor one 27 and the circular alloy conductor two 29 are tightly attached, and then the infrared lamp heating device can be powered, in the process of moving down of the circular alloy conductor two 29, the elastic piece 293 is compressed at the same time, after the protection mechanism 3 is opened, the reset elastic force of the elastic piece 293 can drive the circular alloy conductor two 29 to slide vertically upward on the outer wall of the insulating column 28, so that there is a gap between the circular alloy conductor one 27 and the circular alloy conductor two 29, the power supply circuit of the infrared lamp heating device is disconnected, and the automatic closing function is realized.
[0038] The above examples are only used to illustrate the technical solutions of the present application, but not limit them.
Claims
1. A protective door for an infrared lamp heating device, characterized in that Include: Door frame (1), the back of the door frame (1) is fixedly connected with a connecting frame body (11); The power-off protection mechanism (2) is arranged on the inner wall of the door frame (1), and the power-off protection mechanism (2) is used for power-off when opening the infrared lamp heating device, the power-off protection mechanism (2) includes an embedded box (21), the embedded box (21) is fixedly installed on the inner wall of the door frame (1) near the bottom, the top of the embedded box (21) is fixedly installed with a top plate (23), the inner wall of the top plate (23) is slidably connected with a trigger column (24), the back of the inner wall of the embedded box (21) is fixedly installed with an insulating support block (292), the top of the insulating support block (292) is fixedly installed with an elastic element (293); The protection mechanism (3) is arranged on the door frame (1), and the protection mechanism (3) is used for blocking the infrared radiation generated by the infrared lamp heating device.
2. A protective door for an infrared lamp heating device according to claim 1, characterized in that: The front of the embedded box (21) is provided with a wire arrangement hole (22), the back of the inner wall of the embedded box (21) is fixedly installed with an insulating support leg (25), the front of the insulating support leg (25) is fixedly installed with a strip-shaped alloy conductor (26), the right end of the strip-shaped alloy conductor (26) is fixedly connected with a circular alloy conductor (27).
3. A protective door for an infrared lamp heating device according to claim 2, characterized in that: The top of the circular alloy conductor (27) is fixedly connected with an insulating column (28), the outer wall of the insulating column (28) is slidably connected with a circular alloy conductor (29), the right side of the circular alloy conductor (29) is fixedly installed with a strip-shaped alloy conductor (291), the back of the strip-shaped alloy conductor (291) is fixedly installed with a connecting block (294), and the bottom of the connecting block (294) is fixedly installed with the elastic element (293).
4. A protective door for an infrared lamp heating device according to claim 3, characterized in that: The top of the strip-shaped alloy conductor (26) and the strip-shaped alloy conductor (291) are both provided with through holes (261), and the strip-shaped alloy conductor (26) and the strip-shaped alloy conductor (291) are both threadedly connected with fixing bolts (262).
5. A protective door for an infrared lamp heating device according to claim 1, characterized in that: The protection mechanism (3) includes a synchronous air cylinder (31), the synchronous air cylinder (31) is fixedly installed on the side of the door frame (1), the telescopic end of the synchronous air cylinder (31) is fixedly installed with a connecting frame (32), the bottom of the connecting frame (32) is fixedly installed with a protection door (33), and the protection door (33) is provided with a convenient observation assembly (34).
6. A protective door for an infrared lamp heating device according to claim 5, characterized in that: The back of the protection door (33) is fixedly connected with a metal layer (331), and the back of the metal layer (331) is fixedly connected with a reflective coating (332).
7. A protective door for an infrared lamp heating device according to claim 6, characterized in that: The convenient observation assembly (34) includes an embedded frame (341), the embedded frame (341) is fixedly installed on the inner wall of the protection door (33), the inner wall of the embedded frame (341) is fixedly installed with a tan glass (342), the front of the embedded frame (341) is fixedly installed with a convex frame (343), and the inner cavity of the convex frame (343) is rotatably connected with a metal plate (344).