Plasticized lens and module for external heating defrosting

Abstract

The utility model discloses an external heating defrosting plasticized lens and module, the module comprises a lens body, a front shell, a circuit board and a rear shell, and the lens body comprises an optical lens, a metal space ring, a plasticized lens barrel, an induction coil and a check ring. According to the utility model, the circuit board can be powered by the FAKRA connector, the current generates eddy current in the metal space ring of the lens body through the induction coil so as to heat the space ring, and the temperature of the first lens of the lens body is raised through heat transfer, thereby achieving the purpose of demisting and defrosting. And meanwhile, the design and assembly difficulty of the lens body and the module can be reduced, the cost is greatly reduced, the phenomenon of image blurring in a special environment is solved, and the image picture is kept clear and normal.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical lens, concretely relates to a plastic lens and module of external heating defrosting, mainly apply to vehicle, monitoring security etc. BACKGROUND

[0002] With the rapid development of the times, the continuous progress of science and technology, the demand of consumers for the car has not been satisfied with only a far travel tool, and the demand for other functions of the car is more and more, and the demand for the intelligent technology of the car is also higher and higher. With the gradual maturity of intelligent products such as vehicle head-up display (HUD), panoramic system, in-cabin monitoring DMS and sky projection, the intelligent cockpit of the car begins to gradually bring consumers a more superior driving experience from the concept, and the car will become the third activity center of people's life except home and company.

[0003] The vehicle module product is an important part of the car panoramic system, in-cabin monitoring system, driving assistance system, etc., and is called "the eyes of the car".

[0004] The first lens in the lens will appear fogging, frosting, icing and other phenomena in low temperature and humid environment, rainy and snowy weather, which will cause the blur of the output image. SUMMARY

[0005] The utility model wants to solve the technical problem to provide a plastic lens and module of external heating defrosting, can play the remarkable effect of defogging and defrosting through heating, and the system structure is simple, and the cost is effectively reduced.

[0006] In order to solve the above technical problem, the technical scheme adopted by the utility model is: a plastic lens and module of external heating defrosting, the module includes lens body, front shell, circuit board, rear shell, the lens body and circuit board are fixed in the front shell, the lens body and circuit board are connected, and the rear shell is connected with the front shell;The lens body includes optical lens, metal spacer, plastic lens barrel, induction coil and check ring, the optical lens and metal spacer are installed in the plastic lens barrel in sequence, the induction coil is installed on the outside of the plastic lens barrel, and the check ring is installed at the tail of the plastic lens barrel to fix the induction coil.

[0007] The plastic lens barrel outer circle is equipped with a flange.

[0008] The front shell is equipped with a lens mounting structure, a circuit board mounting structure and a rear shell connecting structure connected with the rear shell, and the flange is connected with the lens mounting structure by glue.

[0009] The circuit board comprises an induction coil communication interface connected with the induction coil, a temperature control device, a rear shell FAKRA connector communication interface connected with the rear shell FAKRA connector, and a front shell mounting structure connected with the front shell, the induction coil is wrapped at the rear end of the flange and fixed by the stop ring, and the rear end of the flange extends into the front shell and communicates with the induction coil communication interface.

[0010] The rear shell is provided with a FAKRA connector and a connecting structure connected with the front shell.

[0011] The external heating defrosting plastic lens and module can be powered by the FAKRA connector, and the current generates eddy current in the metal ring of the lens body through the induction coil, thereby heating the ring, and the temperature of the first lens of the lens body is raised through heat transfer, so that the purpose of defogging and defrosting is achieved, and since the heating component is inside the lens body plastic lens barrel, and the plastic lens barrel does not need to be externally wired, the heat loss is greatly reduced, the defogging and defrosting effect is significantly improved, the design and assembly difficulty of the lens body and the module are reduced, the cost is greatly reduced, the phenomenon of image blur in special environment is solved, and the image picture remains clear and normal. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 An explosion structure schematic view of the module of the utility model is shown;

[0013] Figure 2 An explosion structure schematic view of the lens body of the utility model is shown;

[0014] Figure 3 A structure schematic view of the front shell of the utility model is shown;

[0015] Figure 4 A structure schematic view of the circuit board of the utility model is shown;

[0016] Figure 5 A structure schematic view of the rear shell of the utility model is shown.

[0017] In the figure: 1-lens body, 2-front shell, 3-circuit board, 4-rear shell, 11-optical lens, 12-metal ring, 13-plastic lens barrel, 14-induction coil, 15-stop ring, 21-lens mounting structure, 22-circuit board mounting structure, 23-rear shell connecting structure, 31-induction coil communication interface, 32-temperature control device, 33-rear shell FAKRA connector communication interface, 34-front shell mounting structure. DETAILED DESCRIPTION

[0018] The external heating defrosting plastic lens and module of the utility model will be specifically described below with reference to the drawings.

[0019] The utility model discloses a plastic lens and module of external heating defrosting, see Figures 1 to 5 Among them, the module includes lens body 1, front shell 2, circuit board 3, rear shell 4, lens body 1 and circuit board 3 are fixed in front shell 2, lens body 1 and circuit board 3 are connected, and rear shell 4 is connected with front shell 2. Front shell 2 is equipped with lens mounting structure 21, circuit board mounting structure 22, rear shell connecting structure 23 connected with rear shell 4. Circuit board 3 includes induction coil communication interface 31 connected with induction coil 14, temperature control device 32, rear shell FAKRA connector communication interface 33 connected with rear shell FAKRA connector, and front shell mounting structure 34 connected with front shell. Rear shell 4 is equipped with FAKRA connector, and connecting structure connected with front shell. Lens body 1 includes optical lens 11, metal spacer 12, plastic lens barrel 13, induction coil 14, baffle 15, optical lens 11, metal spacer 12 are installed inside plastic lens barrel 13 in proper order, induction coil 14 is installed outside plastic lens barrel 13, and baffle 15 is installed at the tail of plastic lens barrel 13 to fix induction coil 14. The outer circle of plastic lens barrel 13 is equipped with flange, and the flange is connected with lens mounting structure 21 by glue, induction coil 14 is wrapped in the rear end of flange and is fixed in position by baffle 15, and the rear end of flange stretches in front shell 2 and is communicated with induction coil communication interface 31.

[0020] The utility model discloses module installation sequence and assembly points as follows:

[0021] 1, install and fix circuit board 3 in front shell 2;

[0022] 2, lens body 1 is communicated with circuit board 3;

[0023] 3, install and fix lens body 1 in front shell 2;

[0024] 4, rear shell 4 is assembled with front shell 2 and is connected and fixed.

[0025] The utility model discloses lens body 1 installation sequence and assembly points as follows:

[0026] 1, optical lens 11, metal spacer 12 are installed inside plastic lens barrel 13 in proper order;

[0027] 2, induction coil 14 is installed outside plastic lens barrel 13;

[0028] 3, baffle 15 is installed at the tail of plastic lens barrel 13, and induction coil 14 is fixed.

Claims

1. A plasticized lens and module with external heating defrosting, characterized in that: The module comprises a lens body, a front shell, a circuit board, a rear shell, the lens body and the circuit board are fixed in the front shell, the lens body and the circuit board are connected, and the rear shell is connected with the front shell; the lens body comprises an optical lens, a metal spacer, a plastic lens barrel, an induction coil and a check ring, the optical lens and the metal spacer are sequentially installed in the inside of the plastic lens barrel, the induction coil is installed outside the plastic lens barrel, and the check ring is installed at the tail of the plastic lens barrel to fix the induction coil.

2. The externally heated defrosting plasticized lens and mold set of claim 1, wherein The plastic lens barrel is externally provided with a flange.

3. The externally heated defrosting plasticized lens and mold set of claim 2, wherein The front shell is provided with a lens mounting structure, a circuit board mounting structure and a rear shell connecting structure connected with the rear shell, and the flange is connected with the lens mounting structure by glue.

4. The externally heated defrosting plasticized lens and mold set of claim 2, wherein The circuit board comprises an induction coil communication interface connected with the induction coil, a temperature control device, a rear shell FAKRA connector communication interface connected with the rear shell FAKRA connector, and a front shell mounting structure connected with the front shell, the induction coil is wrapped at the rear end of the flange and fixed by the check ring, and the rear end of the flange extends into the front shell and communicates with the induction coil communication interface.

5. The externally heated defrosting plasticized lens and mold set of claim 1, wherein The rear shell is provided with a FAKRA connector and a connecting structure connected with the front shell.

Images