» Car DIY »Heated mirrors with your own hands

DIY heated mirrors


So the summer ended, ahead of autumn, and after it pretty soon the cold. It's time for motorists to make sure that their auto It worked flawlessly in winter, and the ride was quite comfortable. Of course, the first problem that comes with cooling is freezing. Previously, we already examined instructions on how to make steering wheel heating, heating wipers, antifreeze and other components of a car, but today we will focus on finalizing elements such as rear-view mirrors.

When driving in frost, and just in wet weather, frost or ice crust forms on the mirrors. You can deal with this problem by heating the mirrors. How to implement this at minimal cost, consider below.

Materials and tools for homemade:
- nichrome wire (can be found in various heating elements or buy);
- industrial hair dryer (in extreme cases, a household one is also suitable);
- Double-sided tape;
- multimeter;
- hot glue;
- soldering iron;
- wires and other little things.
DIY heated mirrors

The process of finalizing mirrors:

Step one. Parsing mirrors
First, the mirror must be disassembled and the glass removed from it. If there are plastic frames or other elements in the mirror, it is advisable to heat them with an industrial hairdryer before disassembling, otherwise there is a risk of breaking. As a result, everything should turn out approximately as in the photo.

Step Two Installation of a heating element
First of all, carefully remove the old tape from the mirror. Here you need to be careful, otherwise you can easily damage the amalgam, in which case the mirror will turn into an ordinary glass. After the surface is cleaned, double-sided tape is glued to it.


Now the protective film of the second side of the adhesive tape can be removed. Nichrome wire can be installed on the prepared adhesive layer. The final resistance of the spiral in the author is within 8.5 Ohms, and the current consumption is 1.5 A. The thickness of the wire should be within 0.2-0.4 mm, a thicker wire can not be taken.

Among other things, the author connected the circuit in parallel, as a result, the resistance drops and the heating circuit warms up more.


As a result, the installed spiral is closed on top with tape.


Step Three The final stage of assembly
After that, the glass can be glued to the frame, for this it must first be prepared by cleaning it from dirt and degreasing it. Then you can again remove the protective layer of adhesive tape and install the glass in the frame.



On the back of the mirror, the author made contacts for connection. It’s best to solder them.To fix the contacts, they must be fixed with thick glue (for example, hot glue, epoxy, etc.).



That's all, now the system can be connected to the on-board network. For these purposes, you can display a separate button, or, as the author did, connect to the rear mirror heating system. The polarity in this case does not matter.
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13 comments
Guest Jura
The idea is cool, but not with HEATING need to fix the terminals of the heating element ..... Perhaps a sealant?
I made a lot easier
It can be more subtle by including it in several parallel branches, as in the author. It can be thicker, but then you need to change the mount, for example, press it with a plate, although, perhaps, the regular surface of the frame is enough.
Quote: Valery
And I would say that the LONGER the wire, the more often it can be laid, except for the "strip" of heating ...

blush And so that it was longer, it should be thicker. Well this is a paradox that goes against the "theory" of Ivan Pokhmelev.
And I would say that the LONGER the wire, the more often it can be laid, except for the "strip" of heating ...
Yes, by the way, you're right ... I looked now. To my excuse, I’ll say that I didn’t read the topic then. I’m not interested in it - in all the cars the manufacturer has forgotten about this.)))). And if it didn’t work, I would rather buy a full-time heating pad and change it - as I often repeat: “You are not smarter than the 200 German engineers who designed this machine! "Make it better" will not work .... :)))
To get started, learn to quote so as not to mislead readers.
And in the sense I explain.
1. The author is wrong in that indicates cross section not tied to the length of the wire.
The cross-section itself does not mean anything (within reasonable limits), it is important to provide enough power to warm the glass, that is, the resistance of the heating conductors, since the supply voltage varies within relatively small limits.
2. The thinner the wire, the more evenly the mirror can be warmed up, without sudden changes in temperature over the area.
The author pasted the wire with tape. A thin wire in this way can be better pressed against the glass than a thick one.
Quote: Ivan_Pokhmelev
The author is wrong in that cross section, not tied to the length of the wire.
The thinner the wire, the more evenly you can warm the mirror, without sharp changes in temperature over the area.

He understood what he said?
Look at the picture weakly? Two conductors are zigzag stacked and connected in parallel.
The author is wrong in indicating the cross section without being tied to the length of the wire.
The thinner the wire, the more evenly the mirror can be warmed up, without sudden changes in temperature over the area.
Quiet, Quiet, Quiet)))). Yes, God be with you, calm down.))))). This is a joke of humor I had this.)))))
P.S. Or, do you still have consecutive sockets at home?)))))))
Quote: Valery
.... Of course, it is more correct to consider two mirrors as two separate heating devices, and not as one with two spirals ... So you are right too!

Without any, too ... Two mirrors, these are two separate electrical appliances and nothing else. Each has its own current and it heats the corresponding mirror. What does the serial connection have to do with it? And who so includes such devices?
And where does the heaters with their spirals? There, a completely different principle of turning on spirals is sequential, and parallel, and parallel-sequential (stepwise). To change the heating power.
blush
Come on?! Due to what does it fall then, resistance? In your opinion, the more devices we plug into sockets, the more will their power increase? Cool!? blush
Why are you joking ???? : smiley:
If before that you had two heaters in your room connected in series, then after switching them in parallel their power will really increase ..... (What if you have sockets connected in series for such purposes ?! !! blush For example, in case you buy two vacuum cleaners of the same type in America, you can simultaneously plug them into such sockets and use ...: relieved:
But seriously, it's just sophistry ... If we consider not two heaters, but one in which there are two spirals, then the author is right after all ...
.... Of course, it is more correct to consider two mirrors as two separate heating devices, and not as one with two spirals ... So you are right too! : bowtie:
". "

Why not (reason)?

". "

Come on?! Due to what does it fall then, resistance? In your opinion, the more devices we plug into sockets, the more will their power increase? Cool!? blush

I am very sorry, but it has already become a system. For this I want to remind you, learn basic physics.

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