Lookout window with electric heating function
By installing heating wires between the inner glass layers of the observation window and supplying electricity for heating, the problems of water mist and frost in low-temperature environments were solved, improving the observation effect and safety.
Patent Information
- Application Number
- CN202521005731.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-21
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-05-21
AI Technical Summary
Existing observation windows are prone to fogging and frost in low-temperature environments, which affects the observation effect and obstructs the field of vision.
It adopts a double-layer tempered glass structure, with heating wires between the inner glass layers, and is heated by power supply to keep the window structure basically unchanged.
It effectively prevents water vapor and frost from condensing on the observation window in low-temperature environments, thus improving observation capabilities and safety.
Smart Images
Figure CN223864849U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to an observation window with electric heating function, which is suitable for the windows of medium and low speed passenger cars or EMU trains with a speed of no more than 160km / h, and belongs to the technical field of equipment for intercity trains. Background Technology
[0002] With the rapid development of my country's economy, the railway industry has also developed rapidly, and passengers have increasingly higher requirements for the functionality, comfort, and safety of railway products. In recent years, with the widespread operation of rail passenger cars, the use of observation windows has become more and more common.
[0003] The main structure of a standard observation window includes the outer side of the car body, car body sealant, outer window frame, inner window frame, and window glass. The outer and inner window frames and the window glass protrude slightly from the outer side of the car body. The gap between the outer window frame and the outer side of the car body is sealed with car body sealant, achieving watertightness and rainproof performance. The slight protrusion of these three components facilitates observation work. This window structure has no electrical function. When the railcar operates in cold seasons or low-temperature areas, the observation window glass will experience water fog, ice crystals, and frost due to the low temperature, severely affecting visibility and hindering normal observation work. Utility Model Content
[0004] The purpose of this invention is to provide an observation window with an electric heating function, which avoids the condensation and frost on the observation window caused by low temperature weather, improves the observation capability and safety of the rail passenger vehicle, and solves the problems existing in the background technology.
[0005] The technical solution of this utility model is:
[0006] An electrically heated observation window includes an outer side of the vehicle body, a vehicle body sealant, a steel frame, an inner window frame, window glass, and a glass sealing strip. The inner window frame is fixed to the steel frame, and the steel frame is fixed to the outer side of the vehicle body. The glass sealing strip is disposed between the inner window frame and the window glass, and the vehicle body sealant is disposed between the steel frame and the outer side of the vehicle body. The window glass is a double-layered glass composed of tempered glass one and tempered glass two, with tempered glass one being the outer layer. A PVB layer is disposed between tempered glass one and tempered glass two, and a heating wire is disposed between tempered glass one and the PVB layer.
[0007] Furthermore, the heating wire is in close contact with the tempered glass.
[0008] Furthermore, the heating wire is connected to a power source via a power cord, and a wire hole is provided on the inner frame of the window to accommodate the power cord.
[0009] Furthermore, multiple mounting points are evenly arranged around the perimeter of the inner frame of the window and the steel frame. Each mounting point is equipped with a hexagon socket head cap screw and a mounting block. The mounting block is set on the inner frame of the window and has mounting holes. One end of the hexagon socket head cap screw is set on the steel frame, and the other end is inserted into the mounting hole of the mounting block. The inner frame of the window and the steel frame are connected by adhesive rivets and hexagon socket head cap screws, and the mounting block is fixedly connected to the other end of the hexagon socket head cap screw.
[0010] The beneficial effects of this utility model are: while maintaining the original window structure without major changes, an electric heating function has been added to avoid condensation and frost on the observation window caused by low temperatures, thereby improving the observation window's ability to observe in extreme environments. Attached Figure Description
[0011] Figure 1 A front view of a conventional vehicle window after it has been installed on the vehicle body;
[0012] Figure 2 A side view of a conventional vehicle window after it has been installed on the vehicle body;
[0013] Figure 3 This is a front view of the inner frame and glass of the vehicle window of this utility model;
[0014] Figure 4 for Figure 3 AA section view;
[0015] Figure 5 for Figure 4 Enlarged view of Part I;
[0016] Figure 6 for Figure 1 BB cross-sectional view;
[0017] In the diagram: 1. Outer side of vehicle body; 2. Vehicle body sealant; 3. Steel frame; 4. Inner window frame; 5. Window glass; 6. Glass sealant strip; 7. Mounting point; 8. Hex socket countersunk screw; 9. Mounting block; 10. Tempered glass one; 11. PVB layer; 12. Tempered glass two; 13. Power cord; 14. Wire hole; 15. Heating wire; 16. Detailed Implementation
[0018] The present invention will be further described below with reference to the accompanying drawings and examples.
[0019] See attached document Figure 1-6An electrically heated observation window includes an outer side of the vehicle body 1, a vehicle body sealant 2, a steel frame 3, an inner window frame 4, a window glass 5, and a glass sealing strip 6. The inner window frame 4 is fixed to the steel frame 3, and the steel frame 3 is fixed to the outer side of the vehicle body 1. The glass sealing strip 6 is disposed between the inner window frame 4 and the window glass 5. The vehicle body sealant 2 is disposed between the steel frame 3 and the outer side of the vehicle body 1. The window glass 5 is a double-layered glass composed of tempered glass one 11 and tempered glass two 13. Tempered glass one 11 is the outer layer of glass. A PVB layer 12 is disposed between tempered glass one 11 and tempered glass two 13. A heating wire 16 is disposed between tempered glass one 11 and PVB layer 12.
[0020] In this embodiment, the observation window includes an outer side of the vehicle body 1, a vehicle body sealant 2, a steel frame 3, an inner window frame 4, a window glass 5, and a glass sealing strip 6. Multiple mounting points 7 are evenly arranged around the inner window frame 4 and the steel frame 3. Each mounting point 7 is equipped with a hexagonal head screw and a mounting block 9. The mounting block 9 is mounted on the inner window frame 4 and has mounting holes 10. One end of the hexagonal head screw is mounted on the steel frame 3, and the other end is inserted into the mounting hole 10 of the mounting block 9. The inner window frame 4 and the steel frame 3 are connected by adhesive rivets and hexagonal head screws, and the mounting block 9 is fixedly connected to the other end of the hexagonal head screw. The inner window frame 4 and the window glass 5 are connected by the glass sealing strip 6. Wherein:
[0021] The car window glass 5 is a double-layer glass composed of tempered glass 11 and tempered glass 2 13. Tempered glass 11 is the outer layer of glass. A PVB layer 12 is provided between tempered glass 11 and tempered glass 2 13. A heating wire 16 is provided between tempered glass 11 and PVB layer 12. The heating wire 16 is in close contact with tempered glass 11.
[0022] Tempered glass 11 and tempered glass 2 13 are both physically tempered glass, with thicknesses of 6mm and 4mm respectively, and the thickness of PVB layer 12 is 5.32mm.
[0023] The power cord 14 is connected to the heating wire 16 and exits from the upper part of the car window glass 5.
[0024] The inner frame 4 of the window is provided with a wire hole 15, and the power cord 14 is connected to the power source through the wire hole 15.
[0025] Mounting block 9 is an aluminum alloy block, and mounting hole 10 is a threaded hole.
[0026] Multiple power lines 14 are arranged on the upper part of the window glass 5. At the position of each power line 14, a wire hole 15 is provided by the inner frame of the window 4. The power line 14 is connected to an external power source through the wire hole 15, thereby supplying power to the heating wire 16 located inside the window glass 5 and in close contact with the tempered glass 11 and the PVB layer 12, so as to realize the electric heating function.
[0027] The glass structure of the car window glass 5 is the basis, but it is not limited to this glass structure and is equally effective on other glass structures.
[0028] This invention improves the functionality of the inner frame and glass of the window while keeping the original window structure as unchanged as possible. It enables the observation window to be electrically heated, which prevents water vapor and frost from forming on the window due to low temperatures. This greatly enhances the observation window's ability to see and observe in winter and in low-temperature regions.
Claims
1. A viewing window with electric heating function, comprising an outer side of a vehicle body (1), a vehicle body sealant (2), a steel frame (3), an inner window frame (4), a window glass (5), and a glass sealing strip (6), wherein the inner window frame (4) is fixed to the steel frame (3), the steel frame (3) is fixed to the outer side of the vehicle body (1), the glass sealing strip (6) is disposed between the inner window frame (4) and the window glass (5), and the vehicle body sealant (2) is disposed between the steel frame (3) and the outer side of the vehicle body (1), characterized in that: The car window glass (5) is a double-layer glass composed of tempered glass one (11) and tempered glass two (13). Tempered glass one (11) is the outer glass. A PVB layer (12) is provided between tempered glass one (11) and tempered glass two (13). A heating wire (16) is provided between tempered glass one (11) and PVB layer (12).
2. A lookout window with electric heating function according to claim 1, characterized in that: The heating wire (16) is in close contact with the tempered glass (11).
3. A lookout window with electric heating function according to claim 1 or 2, characterized in that: The heating wire (16) is connected to the power source via a power cord (14), and the inner frame (4) of the window is provided with a wire hole (15) that cooperates with the power cord (14).
4. A lookout window with electric heating function according to claim 1 or 2, characterized in that: Multiple mounting points (7) are evenly arranged on the outer periphery of the inner frame (4) of the window and the steel frame (3). Each mounting point (7) is provided with an internal hexagonal head screw and a mounting block (9). The mounting block (9) is set on the inner frame (4) of the window and has mounting holes (10). One end of the internal hexagonal head screw is set on the steel frame (3) and the other end is inserted into the mounting hole (10) of the mounting block (9). The inner frame (4) of the window and the steel frame (3) are connected by adhesive rivets and internal hexagonal head screws. The mounting block (9) is fixedly connected to the other end of the internal hexagonal countersunk screw.