Head-up display reflector capable of realizing demisting function
By setting a conductive layer and circuit board on the HUD reflector, and using the circuit board to power and heat the reflector, the fogging problem of the HUD reflector in special environments is solved, and a fast and effective defogging effect is achieved.
Patent Information
- Application Number
- CN202520184183.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-06
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-02-06
AI Technical Summary
Traditional methods for defogging automotive windows are ineffective in solving the fogging problem of HUD mirrors in cold weather, rainy weather, or high humidity environments.
A conductive layer and a circuit board are placed on the reflector. The circuit board supplies power to conduct current to the conductive layer, thereby heating the reflector to remove fog. The conductive layer is covered with adhesive to firmly bond it together.
It achieves rapid and effective defogging of the reflector, solving the fogging problem that is difficult to solve with traditional methods.
Smart Images

Figure CN223911124U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a head-up display mirror technical field, especially a head-up display mirror that can realize defogging function. BACKGROUND
[0002] In the automobile intelligent driving auxiliary system, the head-up display (HUD) technology is more and more popular, it can project the key information such as speed, navigation instruction to the mirror in front of the driver, so that the driver can obtain information without bending down, greatly improve the driving safety. However, in cold weather, rainy day or the environment of greater humidity, the HUD mirror is prone to fogging phenomenon. The traditional automobile glass defogging method, such as blowing hot air to windshield through the air conditioning system in the car, the defogging effect of HUD mirror is poor. Because the position and structure of the mirror are special, the air conditioning hot air is difficult to directly act on it. SUMMARY
[0003] The utility model aims at providing a head-up display mirror that can realize defogging function, can directly act on the mirror to defog the mirror.
[0004] The utility model discloses a head-up display mirror that can realize defogging function, the mirror has the conductive layer, the mirror is provided with the circuit board, the circuit board is in contact with the conductive layer, supplies power to the circuit board, and the circuit board conducts electric current to the conductive layer, thereby heating the mirror.
[0005] A head-up display mirror that can realize defogging function, the mirror has the conductive layer, the mirror is provided with the circuit board, the circuit board is in contact with the conductive layer, supplies power to the circuit board, and the circuit board conducts electric current to the conductive layer, thereby heating the mirror.
[0006] Further, the conductive layer is a conductive silver paste coating.
[0007] Further, the circuit board is a FPC flexible circuit board.
[0008] Further, the circuit board is connected with external electronic equipment.
[0009] Further, the conductive layer is covered with fixing glue, and the adhesive surface of the fixing glue is attached to the conductive layer and the mirror.
[0010] Further, the mirror has a mounting plate, and the circuit board is arranged on the mounting plate through a pressing plate.
[0011] Further, the pressing plate has a rivet for fixing the circuit board on the mounting plate.
[0012] Further, the pressing plate has a screw for fixing the circuit board on the mounting plate.
[0013] Further, the width ratio of the fixing glue to the conductive layer is 2:1.
[0014] Further, the width of the fixing glue is 2.2mm, and the width of the conductive layer is 1.1mm.
[0015] The present application has the advantages of:
[0016] (1) The circuit board supplies power, and the circuit board conducts current to the conductive layer, thereby heating the reflector, so that the reflector can be defogged.
[0017] (2) The conductive layer is covered with fixing glue, and the adhesive surface of the fixing glue is attached to the conductive layer and the reflector, so that the conductive layer can be reinforced by the fixing glue, and the conductive layer can be tightly bonded with the reflector.
[0018] The present application can directly act on the reflector to defog the reflector, and can quickly and effectively solve the problem of fogging of the reflector. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 is a structural schematic diagram of the present application.
[0020] Figure 2 is a structural schematic diagram of the present application (without fixing glue).
[0021] Figure 3 is a structural schematic diagram of the circuit board.
[0022] Figure 4 is an exploded view of the present application.
[0023] In the figure: reflector 1, conductive layer 2, circuit board 3, fixing glue 4, mounting plate 5, pressing plate 6, rivet 7, connecting shaft 8. DETAILED DESCRIPTION
[0024] The present application will be further described below with reference to the drawings.
[0025] As shown in Figures 1-4 The present application provides a first embodiment of a head-up display reflector capable of defogging, which has a conductive layer 2 on the reflector 1, and a circuit board 3 is arranged on the reflector 1, the circuit board 3 is in contact with the conductive layer 2, and the circuit board 3 supplies power, and the circuit board 3 conducts current to the conductive layer 2, thereby heating the reflector 1, so that the reflector 1 can be defogged.
[0026] The conductive layer 2 is a conductive silver paste coating, which has good conductivity and can be used as a heating wire.
[0027] The circuit board 3 is a FPC flexible circuit board 3, and the flexible circuit board can be bent and flexible, so that it can adapt to various complex space shapes and layout requirements.
[0028] The conductive layer 2 is covered with a fixing glue 4, the adhesive surface of the fixing glue 4 is attached to the conductive layer 2 and the mirror 1, and the fixing glue 4 also covers the part of the circuit board 3 in contact with the conductive layer 2, so that the conductive layer 2 can be reinforced by the fixing glue 4, and the conductive layer 2 can be tightly bonded with the mirror 1.
[0029] On the basis of the first embodiment, the utility model provides a second embodiment of the head -up display mirror of can realize defogging function, the circuit board 3 is connected with external electronic equipment, the external electronic equipment can be PID controller, but is not only limited to this, through external electronic equipment can power supply to circuit board 3, it is convenient for circuit board 3 to conduct electricity to conductive layer 2.
[0030] On the basis of any one of the above embodiments, the utility model provides a third embodiment of the head -up display mirror of can realize defogging function, the mounting plate 5 is formed on the mirror 1, and the circuit board 3 is arranged on the mounting plate 5 through the pressing plate 6.
[0031] The rivet 7 for fixing the circuit board 3 on the mounting plate 5 is arranged on the pressing plate 6, the flat head half hollow rivet 7 is selected, the circuit board 3 is placed on the mounting plate 5, then the pressing plate 6 is placed on the circuit board 3, and the pressing plate 6, the circuit board 3 and the mounting plate 5 are connected through the rivet 7, so that the circuit board 3 can be fixed on the mounting plate 5.
[0032] Alternatively, the screw for fixing the circuit board 3 on the mounting plate 5 is arranged on the pressing plate 6, the self-tapping screw is selected, the circuit board 3 is placed on the mounting plate 5, then the pressing plate 6 is placed on the circuit board 3, and the pressing plate 6, the circuit board 3 and the mounting plate 5 are connected through the screw, so that the circuit board 3 can be fixed on the mounting plate 5.
[0033] On the basis of any one of the above embodiments, the utility model provides a fourth embodiment of the head -up display mirror of can realize defogging function, the width ratio of the fixing glue 4 to the conductive layer 2 is 2:1, the width of the fixing glue 4 is too large, which will affect the imaging area of the mirror, and the width is too small, which will affect the bonding effect.
[0034] In the embodiment, the width of the fixing glue 4 is 2.2mm, and the width of the conductive layer 2 is 1.1mm.
[0035] On the basis of any one of the above embodiments, the utility model provides a fifth embodiment of the head -up display mirror of can realize defogging function, the mirror 1 is injection molded by using polycarbonate (PC) material. An aluminum reflecting film is plated on the concave surface of the mirror 1 by a magnetron sputtering machine, and the film material mainly includes aluminum and titanium pentoxide, so that high reflection of visible light (420nm-680nm wave band) is realized.
[0036] On the basis of any one of the above embodiments, the sixth embodiment of the head-up display mirror capable of realizing defogging function is provided, and the conductive silver paste coating is arranged on the concave edge of the mirror 1 by printing.
[0037] On the basis of any one of the above embodiments, the seventh embodiment of the head-up display mirror capable of realizing defogging function is provided, and the left and right sides of the mirror 1 are both provided with the connecting shaft 8, so that the rotation of the mirror 1 in the HUD assembly can be realized, and the imaging angle and height can be adjusted.
[0038] The conductive layer, the circuit board and the external electronic device in the utility model are all prior art, and the person skilled in the art can clearly understand, and detailed description is not made here.
[0039] The above only describes the preferred embodiments of the utility model, and cannot be understood as the limitation of the application, and all equivalent changes and modifications made according to the patent range of the utility model should belong to the coverage range of the utility model.
Claims
1. A head-up display mirror capable of defogging, characterized by comprising: The mirror has a conductive layer, a circuit board is arranged on the mirror and contacts the conductive layer, the circuit board conducts current to the conductive layer by being powered, thereby heating the mirror.
2. The defogging head-up display mirror of claim 1, wherein, The conductive layer is a conductive silver paste coating.
3. The defogging head-up display mirror of claim 1, wherein, The circuit board is a FPC flexible circuit board.
4. The defogging head-up display mirror according to claim 1 or 3, wherein The circuit board is connected to an external electronic device.
5. The defogging head-up display mirror of claim 1 or 2, wherein The conductive layer is covered with a fixing glue, and the adhesive surface of the fixing glue is attached to the conductive layer and the mirror.
6. The defogging head-up display mirror according to claim 1 or 3, wherein The mirror has a mounting plate, and the circuit board is arranged on the mounting plate via a pressing plate.
7. The defogging head-up display mirror of claim 6, wherein, The pressing plate has a rivet for fixing the circuit board on the mounting plate.
8. The defogging head-up display mirror of claim 6, wherein, The pressing plate has a screw for fixing the circuit board on the mounting plate.
9. The defogging head-up display mirror of claim 5, wherein, The width of the fixing glue is 2:1 of the width of the conductive layer.
10. The defogging capable head-up display mirror of claim 9, wherein, The width of the fixing glue is 2.2mm, and the width of the conductive layer is 1.1mm.