CN216467798U - Cab front window glass - Google Patents

Abstract

The utility model discloses a cab windshield, which comprises an outer glass and an inner glass, wherein the outer glass and the outer peripheral surface of the inner glass are pasted with a sealing glue layer, four protection structures are respectively assembled at the four corners of the outer peripheral surface after the outer glass and the inner glass are spliced, the inner surface of the inner glass is pasted with a temperature controller, heating wires are uniformly distributed between the outer glass and the inner glass, and the inner surface of the inner glass is provided with a heat-resistant film layer. The energy consumed by the heating or cooling air conditioner in the vehicle is reduced.

Description

Cab front window glass

Technical Field

The utility model belongs to the technical field of vehicle glass, a cab windshield is provided very much.

Background

Because the subway runs in a narrow tunnel for a long time, the subway runs in the tunnel and is similar to the movement of a piston, one part of air in front of a train is pushed to the front, the other part of air flows in an annular space between the train and the tunnel, the train body and windows of the subway train are subjected to the pressure of the part of air, the higher the speed of the train is, the higher the pressure of the train body and the windows is, most of the pressure of the windows is concentrated at four corners, although the windows are generally designed into an arc shape at the four corners, the potential safety hazard also exists, in addition, the defrosting and demisting functions are also important for the windows, but the existing defrosting and demisting functions are generally realized by increasing the temperature in the train, the consumed time is longer, and therefore, the front window glass of the cab which has stronger pressure and stress bearing capacity and can quickly finish defrosting and demisting is needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a cab windshield.

In order to achieve the above object, the utility model adopts the following technical scheme: cab windshield, including outer glass and interior glass, and outer glass and interior glass amalgamation are constituteed, outer glass is pasted with interior glass outer peripheral face and is had sealing glue layer, paste between outer glass and the interior glass have with sealing glue layer matched with protection architecture, protection architecture has set up a week between outer glass and interior glass along sealing glue layer, interior glass's internal surface is pasted and is had the temperature controller, evenly distributed has the heating wire between outer glass and the interior glass, and temperature controller and heating wire are connected through lead wire and external power source electricity respectively, the aperture has been seted up to interior glass's internal surface, and the lead wire passes through the aperture, interior glass's internal surface is provided with hinders the heat film layer.

Further, protection architecture includes fixed strip, rubber strip and buffering strip, and the one end of rubber strip and buffering strip is laminated in sealing adhesive layer, two the buffering strip is located respectively between rubber strip and the outer glass and between rubber strip and the interior glass, the mounting groove has been seted up to the outer wall of fixed strip, the rubber strip has the arch of installing in the mounting groove with the other end homogeneous body shaping of buffering strip, the cavity has been seted up to the inner wall of buffering strip.

Further, a slot is formed in one end of the rubber strip, a clamping block is fixedly mounted on the side wall of the inner cavity of the slot, and the sealing rubber layer is inserted into the slot.

Furthermore, the outer rings of the outer glass and the inner glass are both arc-shaped surfaces.

Further, the sealing glue layer adopts a Cika 265R glue.

Furthermore, the heating wires are four groups, the four groups of heating wires are uniformly distributed between the outer glass and the inner glass, the number of the lead wires is ten, two lead wires are electrically connected with the temperature controller, and eight lead wires are respectively electrically connected with the four groups of heating wires.

Further, the temperature control range of the temperature controller is 25-40 ℃.

Furthermore, black screen printing layers are arranged on the inner surface of the outer glass and the outer surface of the inner glass.

Further, the periphery fixed mounting between outer glass and the interior glass has the insulating layer, and the material of insulating layer is PVB, the insulating layer is located protective structure inboard.

Further, the heat-resistant film layer is a silver oxide film.

Use the utility model discloses a beneficial effect is:

1. the utility model discloses all design into the arc with outer glass and interior glass's four corners department, and wholly be streamlined, can reduce the stress concentration in the glass, and set up protection architecture between outer glass and interior glass, can play the buffering guard action to glass edge, and can increase the security with the stress dispersion of glass edge.

2. The utility model discloses set up temperature controller and four group's heating wires, and can follow glass simultaneously and heat all around simultaneously, can be faster defrost defogging work.

3. The utility model discloses including the glass internal surface set up the silver oxide thermal film layer that hinders through the vapor deposition method, can reduce glass's thermal radiance, reduce in the car with external temperature exchange, make in the car heat or the energy reduction that refrigeration air conditioner consumed.

Drawings

Fig. 1 is a front view of the vehicle in the inboard direction of the present invention.

Fig. 2 is a left side view of the protection structure of the present invention.

Fig. 3 is a partial cross-sectional view of the present invention.

Fig. 4 is a partially enlarged view of a portion a in fig. 3 according to the present invention.

The reference numerals include: 1. outer glass, 2, interior glass, 3, sealant layer, 4, protection architecture, 401, fixed strip, 402, rubber strip, 403, buffering strip, 404, mounting groove, 405, cavity, 406, slot, 407, fixture block, 5, temperature controller, 6, aperture, 7, lead wire, 8, hinder hot rete, 9, black screen printing layer, 10, insulating layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the front window glass of the cab comprises outer glass 1 and inner glass 2, the outer glass 1 is 4mm super-white chemical toughened glass, the inner glass 2 is 4mm Eazy Tek/15 glass, the outer glass 1 and the inner glass 2 are spliced, a sealant layer 3 is pasted on the outer peripheral surfaces of the outer glass 1 and the inner glass 2, the outer glass 1 and the inner glass 2 are spliced through a sheet splicing process, the sealant layer 3 is installed through edge sealing work, a protection structure 4 matched with the sealant layer 3 is pasted between the outer glass 1 and the inner glass 2, the protection structure 4 is arranged between the outer glass 1 and the inner glass 2 along the sealant layer 3 for a circle, and the protection structure 4 is used for buffer protection at the corners between the outer glass 1 and the inner glass 2.

The internal surface of interior glass 2 is pasted and is had temperature controller 5, evenly distributed has the heating wire between outer glass 1 and the interior glass 2, and temperature controller 5 is connected with external power supply electricity through lead wire 7 respectively with the heating wire, and aperture 6 has been seted up to the internal surface of interior glass 2, and lead wire 7 passes through aperture 6, after passing through lead wire 7, need be with aperture 6 shutoff, temperature controller 5 is used for monitoring the temperature between outer glass 1 and the interior glass 2, and the heating wire circular telegram is generated heat for the temperature regulation.

The internal surface of interior glass 2 is provided with hinders thermal film layer 8 for reduce glass's thermal radiance, reduce in the car and external temperature exchange, when heating or when refrigerating in the car, inside heat is difficult for effluvium or outside heat is difficult for getting into, makes the energy reduction of air conditioner work consumption.

Specifically, as shown in fig. 4, protection architecture 4 includes fixed strip 401, rubber strip 402 and buffering strip 403, and rubber strip 402 and buffering strip 403's one end fits in sealant layer 3, and two buffering strips 403 are located respectively between rubber strip 402 and outer glass 1 and between rubber strip 402 and interior glass 2, and mounting groove 404 has been seted up to the outer wall of fixed strip 401, and rubber strip 402 and the equal integrated into one piece of the other end of buffering strip 403 have the arch of installing in mounting groove 404, and cavity 405 has been seted up to the inner wall of buffering strip 403.

The buffer strip 403 is made of rubber.

Utilize rubber strip 402 and offer the buffering strip 403 of cavity 405, can play good buffering shock attenuation effect, and when outer glass 1 and interior glass 2 edge received great pressure or stress, protection architecture 4 can share pressure or stress, increases the intensity of window glass before, realizes the protection to window glass before.

Specifically, as shown in fig. 4, a slot 406 is formed at one end of the rubber strip 402, a clamping block 407 is fixedly mounted on a sidewall of an inner cavity of the slot 406, and the sealant layer 3 is inserted into the slot 406, so that the installation of the sealant layer 3 is increased firmly, and the sealing effect is better.

Specifically, as shown in fig. 4, the outer rings of the outer glass 1 and the inner glass 2 are both arc-shaped surfaces, which is beneficial to stress dispersion and increases the strength of the glass.

Specifically, the sealant layer 3 is prepared from a cica 265R adhesive.

Specifically, the four groups of electric heating wires are uniformly distributed between the outer glass 1 and the inner glass 2, the number of the lead wires 7 is ten, the two lead wires 7 are electrically connected with the temperature controller 5, and the eight lead wires 7 are respectively electrically connected with the four groups of electric heating wires, so that the four groups of electric heating wires can be heated simultaneously during heating, the heating speed is increased, and the defrosting and defogging work is performed more efficiently.

Specifically, the temperature control range of the temperature controller 5 is 25 ℃ to 40 ℃, and the specific range is 25 ℃ (± 3 ℃) to 40 ℃ (± 3 ℃).

Specifically, as shown in fig. 3, black screen printing layers 9 are provided on both the inner surface of the outer glass 1 and the outer surface of the inner glass 2, and after the screen is laid, the front glass is formed into three upper, middle and lower regions, as shown in fig. 1, the uppermost side is a display region, the middle is a visible region, and the lower side is a display region.

Specifically, as shown in fig. 3, a heat insulation layer 10 is fixedly installed on the periphery between the outer glass 1 and the inner glass 2, the material of the heat insulation layer 10 is PVB, and the heat insulation layer 10 is located inside the protection structure 4 to prevent heat from being dissipated when the heating wire is heated.

Specifically, the heat-resistant film layer 8 is a silver oxide film, the heat-resistant film layer 8 is formed by a vapor deposition method, the heat emissivity of common glass is 0.84, the practical heat-resistant film layer 8 can reduce the heat emissivity of the glass to 0.17, the heat-resistant capacity of the glass is increased by 4 times, and the energy consumption of air conditioners in vehicles can be effectively reduced.

The working principle is as follows: in the cab front window glass, the four corners of the outer glass 1 and the inner glass 2 are designed into arc shapes, the whole cab front window glass is streamline, stress concentration in the glass can be effectively avoided, in addition, the protective structures 4 are arranged in the outer glass 1 and the inner glass 2, the buffering and damping effects are achieved, meanwhile, the stress can be dispersed, the protection of the glass is realized, and the safety is improved; in addition, the temperature controller 5 and four groups of uniformly distributed heating wires can heat the window glass, the heating speed is higher, and the defrosting and demisting work is completed more smoothly and efficiently; and a heat-resistant film layer 8 is arranged on the inner surface of the inner glass 2, so that the heat radiation rate of the glass is greatly reduced, and the effect of reducing energy consumption is realized.

The foregoing is only a preferred embodiment of the present invention, and many changes can be made in the detailed description and the application range according to the idea of the present invention by those skilled in the art, which all fall within the protection scope of the present invention as long as the changes do not depart from the concept of the present invention.

Claims (10)

1. Cab windshield, its characterized in that: comprises outer glass (1) and inner glass (2), and the outer glass (1) and the inner glass (2) are spliced, a sealant layer (3) is adhered to the peripheral surfaces of the outer glass (1) and the inner glass (2), a protective structure (4) matched with the sealant layer (3) is adhered between the outer glass (1) and the inner glass (2), the protective structure (4) is arranged for a circle between the outer glass (1) and the inner glass (2) along the sealant layer (3), the inner surface of the inner glass (2) is adhered with a temperature controller (5), electric heating wires are uniformly distributed between the outer glass (1) and the inner glass (2), the temperature controller (5) and the electric heating wire are respectively electrically connected with an external power supply through a lead (7), the inner surface of the inner glass (2) is provided with a small hole (6), and the lead (7) passes through the small hole (6), and the inner surface of the inner glass (2) is provided with a heat-resistant film layer (8).

2. A cab front window as claimed in claim 1, wherein: protection architecture (4) include fixed strip (401), rubber strip (402) and buffering strip (403), and the one end laminating in sealant layer (3) of rubber strip (402) and buffering strip (403), two buffering strip (403) are located respectively between rubber strip (402) and outer glass (1) and between rubber strip (402) and interior glass (2), mounting groove (404) have been seted up to the outer wall of fixed strip (401), the equal integrated into one piece of the other end of rubber strip (402) and buffering strip (403) has the arch of installing in mounting groove (404), cavity (405) have been seted up to the inner wall of buffering strip (403).

3. A cab front window as claimed in claim 2, wherein: a slot (406) is formed in one end of the rubber strip (402), a clamping block (407) is fixedly mounted on the side wall of an inner cavity of the slot (406), and the sealant layer (3) is inserted into the slot (406).

4. A cab front window as claimed in claim 1, wherein: the outer rings of the outer glass (1) and the inner glass (2) are arc-shaped surfaces.

5. The cab front window according to claim 1, wherein: the sealing glue layer (3) is made of a Cika 265R glue.

6. A cab front window as claimed in claim 1, wherein: the heating wire is characterized by comprising four groups of heating wires, wherein the four groups of heating wires are uniformly distributed between the outer glass (1) and the inner glass (2), the number of the lead wires (7) is ten, the two lead wires (7) are electrically connected with the temperature controller (5), and the eight lead wires (7) are respectively electrically connected with the four groups of heating wires.

7. A cab front window as claimed in claim 1, wherein: the temperature control range of the temperature controller (5) is 25-40 ℃.

8. A cab front window as claimed in claim 1, wherein: the inner surface of the outer glass (1) and the outer surface of the inner glass (2) are both provided with black screen printing layers (9).

9. A cab front window as claimed in claim 1, wherein: outer periphery fixed mounting between glass (1) and interior glass (2) has insulating layer (10), and the material of insulating layer (10) is PVB, insulating layer (10) are located protective structure (4) inboardly.

10. A cab front window as claimed in claim 1, wherein: the heat-resistant film layer (8) is a silver oxide film.

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