Safe air pipe heating device

Abstract

The utility model belongs to the technical field of air pipes, particularly relates to a safe air pipe heating device, and provides the following scheme aiming at the problems that the existing air pipe heater is lack of removing various harmful substances in air, so that the harmful substances flow into an air pipe system through the air, and potential safety hazards are caused in use. The device comprises a heating machine shell and a ventilation frame, the ventilation frame is movably connected with the heating machine shell, a driven bevel gear is fixedly mounted at one end of a transverse shaft, a mounting plate is fixedly mounted at the top of the heating machine shell, a vertical groove is formed in the bottom of the mounting plate, and a positioning plate is slidably mounted in the vertical groove; and a positioning groove is formed in the top of the ventilation frame. The heating device is reasonable in structural design, dust in air is filtered through the filter screen, fine particulate matter in the air is absorbed by the adsorbent containing alkaline substances such as sodium hydroxide and calcium hydroxide in the absorption box, the use safety of the heating device is improved, and the reliability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of air ducts, in particular to a safe air duct heating device. Background Art

[0002] Duct heaters usually consist of the following components: The heater is the core component of the duct heater, which is used to heat the cold air into hot air; The fan is used to generate air flow to blow the hot air from the heater into the duct system; The duct system consists of a series of connected ducts, which are used to distribute the hot air to different areas. The duct system can be designed and installed according to the layout and needs of the building to ensure that the hot air can be effectively delivered to each room or area; The control system is used to monitor and control the operating status and temperature of the duct heater. Through the control system, the desired temperature and wind speed can be set to achieve a comfortable indoor environment.

[0003] Harmful substances in the air can exist in the form of chemical particles, which are called particulate matter. They are mainly divided into inhalable particulate matter and fine particulate matter. Inhalable particulate matter includes dust, smoke, pollen, etc., and fine particulate matter includes coal combustion emissions, automobile exhaust, industrial emissions, etc.

[0004] However, in the process of implementing the embodiments of the present invention, the inventors found that there are at least the following defects in the background technology: the existing duct heaters lack the ability to remove multiple harmful substances in the air, allowing harmful substances to flow into the duct system through the air, causing safety hazards in use. Therefore, we propose a safe duct heating device to solve this problem. Utility Model Content

[0005] The purpose of the utility model is to solve the problems raised in the above background technology and to provide a safe air duct heating device.

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

[0007] A safe duct heating device comprises a heating casing and a ventilation frame, wherein the ventilation frame is movably connected to the heating casing, a driven bevel gear is fixedly installed at one end of the horizontal axis, a mounting plate is fixedly installed on the top of the heating casing, a vertical groove is provided at the bottom of the mounting plate, a positioning plate is slidably installed in the vertical groove, a positioning groove is provided at the top of the ventilation frame, the positioning plate is movably engaged in the positioning groove, two supporting springs are fixedly connected to the top of the positioning plate, the top of the supporting spring is fixedly connected to the top inner wall of the vertical groove, two through holes are provided on one side of the ventilation frame, filter screens are fixedly installed in the two through holes, an absorption box is provided in the heating casing, and a plurality of ventilation holes are provided on the outside of the absorption box.

[0008] Preferably, two fixed plates are fixedly installed on the rear inner wall of the ventilation frame, a horizontal axis is rotatably installed on the fixed plate, a fan blade is fixedly installed on one end of the horizontal axis, a driving motor is fixedly installed on the bottom inner wall of the ventilation frame, a driving shaft is fixedly installed on the output shaft of the driving motor, and two driving bevel gears are provided on the outer fixed sleeve of the driving shaft, and the driven bevel gear is meshed with the corresponding driving bevel gear.

[0009] Preferably, a controller is fixedly mounted on the top of the heating casing, a heater is arranged in the heating casing, and the controller is connected to the heater.

[0010] Preferably, two plug-in plates are fixedly mounted on one side of the ventilation frame, and two plug-in slots are provided on one side of the heating housing, and the plug-in plates are movably snap-fitted into the corresponding plug-in slots.

[0011] Preferably, a connecting plate is fixedly installed on the top of the positioning plate, a sliding frame is slidably sleeved on the outer side of the connecting plate, a bent insert plate is fixedly installed on one side of the sliding frame, a square groove is opened on one side of the mounting plate, and the bent insert plate is movably clamped in the square groove.

[0012] Preferably, a same limit plate is fixedly connected to the left and right inner walls of the sliding frame, the connecting plate is slidably sleeved on the outside of the limit plate, and a same return spring is fixedly connected between the connecting plate and one inner wall of the sliding frame.

[0013] In the utility model, the safe air duct heating device is implemented by the cooperation of the mounting plate, the positioning plate and the positioning groove to realize the fixed connection between the heating casing and the ventilation frame, so that the ventilation frame is easy to separate from the heating casing, thereby facilitating the replacement of the absorption box;

[0014] In the utility model, the safe air duct heating device described herein filters dust in the air through a filter screen, and absorbs fine particles in the air through an adsorbent containing alkaline substances such as sodium hydroxide and calcium hydroxide in an absorption box, thereby improving the safety of the air duct.

[0015] The utility model has a reasonable structural design. The dust in the air is filtered through the filter net. The adsorbent containing alkaline substances such as sodium hydroxide and calcium hydroxide in the absorption box absorbs fine particles in the air, thereby improving the safety of the heating device and having high reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structural schematic diagram of a safe air duct heating device proposed by the utility model;

[0017] Figure 2 This is a cross-sectional structural schematic diagram of a safe air duct heating device proposed by the utility model;

[0018] Figure 3 for Figure 2 A partial enlarged view of part A;

[0019] Figure 4 for Figure 2 A partial enlarged view of part B.

[0020] In the figure: 1. heating casing; 2. heater; 3. ventilation frame; 4. absorption box; 5. filter screen; 6. mounting plate; 7. sliding frame; 8. bent plug plate; 9. driving motor; 10. driving shaft; 11. driven bevel gear; 12. driving bevel gear; 13. fixing plate; 14. horizontal axis; 15. fan blades; 16. connecting plate; 17. positioning plate; 18. positioning groove; 19. plug-in board. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-4 A safe air duct heating device comprises a heating casing 1 and a ventilation frame 3, the ventilation frame 3 is movably connected to the heating casing 1, a driven bevel gear 11 is fixedly installed at one end of the horizontal axis, a mounting plate 6 is fixedly installed on the top of the heating casing 1, a vertical groove is provided at the bottom of the mounting plate 6, a positioning plate 17 is slidably installed in the vertical groove, a positioning groove 18 is provided on the top of the ventilation frame 3, the positioning plate 17 is movably engaged in the positioning groove 18, two supporting springs are fixedly connected to the top of the positioning plate 17, the top of the supporting spring is fixedly connected to the top inner wall of the vertical groove, two through holes are provided on one side of the ventilation frame 3, filter screens 5 are fixedly installed in the two through holes, an absorption box 4 is provided in the heating casing 1, and a plurality of ventilation holes are provided on the outer side of the absorption box 4.

[0023] In the utility model, two fixed plates 13 are fixedly installed on the rear inner wall of the ventilation frame 3, a horizontal axis is rotatably installed on the fixed plate 13, a fan blade 15 is fixedly installed on one end of the horizontal axis, a driving motor 9 is fixedly installed on the bottom inner wall of the ventilation frame 3, a driving shaft 10 is fixedly installed on the output shaft of the driving motor 9, two driving bevel gears 12 are fixedly sleeved on the outer side of the driving shaft 10, and the driven bevel gear 11 is meshed with the corresponding driving bevel gear 12.

[0024] In the utility model, a controller 14 is fixedly installed on the top of the heating casing 1 , a heater 2 is arranged in the heating casing, and the controller 14 is connected to the heater 2 .

[0025] In the utility model, two plug-in boards 19 are fixedly installed on one side of the ventilation frame 3, and two plug-in slots are provided on one side of the heating housing 1, and the plug-in boards 19 are movably connected in the corresponding plug-in slots.

[0026] In the utility model, a connecting plate 16 is fixedly installed on the top of the positioning plate 17, a sliding frame 7 is slidably sleeved on the outer side of the connecting plate 16, a bent insert plate 8 is fixedly installed on one side of the sliding frame 7, a square groove is opened on one side of the mounting plate 6, and the bent insert plate 8 is movably connected in the square groove.

[0027] In the utility model, a same limit plate is fixedly connected to the inner walls on the left and right sides of the sliding frame 7, a connecting plate 20 is slidably sleeved on the outer side of the limit plate, and a same return spring is fixedly connected between the connecting plate 20 and the inner wall of one side of the sliding frame 7.

[0028] In the utility model, when in use, the whole device is fixedly connected to the air duct system, the heater 2 is started by the controller to heat the cold air into hot air, the driving shaft 10 is driven to rotate by starting the driving motor 9, thereby driving the two driving bevel gears 12 to rotate, so that the two fan blades 15 rotate to generate air flow, and the hot air is blown from the heater 2 into the air duct system, the dust in the air is filtered through the filter 5, and the fine particles in the air are absorbed by the adsorbent containing alkaline substances such as sodium hydroxide and calcium hydroxide in the absorption box 4, so as to improve the safety of the use of the heating device.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A safe air duct heating device, comprising a heating housing (1) and a ventilation frame (3), characterized in that: The ventilation frame (3) is movably connected to the heating casing (1); two fixing plates (13) are fixedly installed on the rear inner wall of the ventilation frame (3); a horizontal shaft is rotatably installed on the fixing plate (13); a driven bevel gear (11) is fixedly installed on one end of the horizontal shaft; a mounting plate (6) is fixedly installed on the top of the heating casing (1); a vertical groove is provided at the bottom of the mounting plate (6); a positioning plate (17) is slidably installed in the vertical groove; a positioning groove (18) is provided at the top of the ventilation frame (3); the positioning plate (17) is movably engaged in the positioning groove (18); two supporting springs are fixedly connected to the top of the positioning plate (17); the top of the supporting spring is fixedly connected to the top inner wall of the vertical groove; two through holes are provided on one side of the ventilation frame (3); filter screens (5) are fixedly installed in the two through holes; an absorption box (4) is provided in the heating casing (1); and a plurality of ventilation holes are provided on the outer side of the absorption box (4).

2. A safe air duct heating device according to claim 1, characterized in that: A fan blade (15) is fixedly mounted on one end of the transverse axis, a driving motor (9) is fixedly mounted on the inner wall of the bottom of the ventilation frame (3), a driving shaft (10) is fixedly mounted on the output shaft of the driving motor (9), two driving bevel gears (12) are fixedly sleeved on the outer side of the driving shaft (10), and the driven bevel gear (11) is meshed with the corresponding driving bevel gear (12).

3. A safe air duct heating device according to claim 1, characterized in that: A controller (14) is fixedly mounted on the top of the heating casing (1), a heater (2) is arranged inside the heating casing, and the controller (14) is connected to the heater (2).

4. A safe air duct heating device according to claim 1, characterized in that: Two plug-in plates (19) are fixedly mounted on one side of the ventilation frame (3), and two plug-in slots are provided on one side of the heating housing (1), wherein the plug-in plates (19) are movably engaged in the corresponding plug-in slots.

5. A safe air duct heating device according to claim 1, characterized in that: A connecting plate (16) is fixedly mounted on the top of the positioning plate (17), a sliding frame (7) is slidably sleeved on the outer side of the connecting plate (16), a bent insert plate (8) is fixedly mounted on one side of the sliding frame (7), a square groove is provided on one side of the mounting plate (6), and the bent insert plate (8) is movably engaged in the square groove.

6. A safe air duct heating device according to claim 5, characterized in that: The same limiting plate is fixedly connected to the inner walls on the left and right sides of the sliding frame (7), the connecting plate (16) is slidably sleeved on the outer side of the limiting plate, and the same return spring is fixedly connected between the connecting plate (16) and the inner wall of one side of the sliding frame (7).

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