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Reed switches instead of door latches
tandrei Owner Posts: 984 Registered: Sun Dec 19, 2010 17:56 Location: Bashkortostan, Sterlitamak Thanks: 2 Contact info:
Reed switches instead of door latches
Post tandrei ” Mon Dec 19, 2011 18:14
Fed up with the perpetual hassle with the door switches, I thought about building sensors reed.
The idea – not my own, inete has already been applied.
The reed switch principle is as follows: the reed switch closes/opens an electric circuit when exposed to an external magnetic field created by a magnet.
I will make a reed sensor from the reed switch KEM 3
which will be built inside the “double** PATRIOT door trim mounts (insert + plug) / 3163-5301245/1244” – not sure if it fits but I’ll try it on or find something similar.
and fill with sealant.
Design in section should look like this
Perhaps someone has done something similar? Or advise will help. I would be glad and grateful.
Inventor Posts: 1540 Registered: Thu Sep 22, 2011 20:07 Location: Novosibirsk Online status: Offline
Post inventor ” Mon Dec 19, 2011 18:44
We have illumination of the upper and lower gloves compartment works on reed switches. Maybe they can be adapted if you can get these parts?
tandrei Owner Posts: 984 Registered: Sun Dec 19, 2010 17:56 Location: Bashkortostan, Sterlitamak Thanks: 2 Contact info:
Message tandrei ” Mon Dec 19, 2011 19:20
No too expensive to dismantle the glove compartment lighting, and only reed switches and get it!
CAM – 3 – in our city 40 rubles / pc, or even 25 on the Internet.
By the way regular limiters from 80 to 150 rubles.
But KEM – 3 is almost ideal, in order to solve the problem once and for all.
By the way the sensor light switch glove box PATRIOT ** Ryazan (1.240) / 3163-3710300 (1.240) price 95-110 rubles / pc. HE light switch sensor GAZ-31105, 3302
Pity its parameters switching currents – a mystery. Yes, and it is unlikely to find in the stores of the city.
Message MakarPRM ” Mon Dec 19, 2011 19:40.
In my opinion it is easier to take the limit switch from any foreign. They come in an airtight case and forget about their existence once and for all.
Malinich Messages: 293 Posted: Mon Jul 04, 2011 22:33 Location: 64 rus Online status: Offline
Posted by Malinich ” Mon Dec 19, 2011 19:45
And I thought what kind of beast is this, and it’s called a reed switch! Just when one of them died I asked the salesman “thingy, pinchka” I was not understood, now I tell them HERCON and they will call me a team 
In connection with this question: how often they fail? if like me no point. 
tandrei Owner Posts: 984 Registered: Sun Dec 19, 2010 17:56 Location: Bashkortostan, Sterlitamak Thanks: 2 Contact info:
Message tandrei ” Mon Dec 19, 2011 8:01 pm
Rarely. Number of operations 10000-1000000 is afraid in the first place mechanical damage – to break. Dust – moisture is fully protected.
gau Messages: 25 Registered: Wed Dec 14, 2011 18:30 Location: Yekaterinburg Online status: Offline
Post gau ” Mon Dec 19, 2011 20:16
Funny how you remembered the sealed contacts. I must dig somewhere-there must be a handful lying around and try to attach. but the iron door is magnetized quickly probably. 
tandrei Owner Posts: 984 Registered: Sun Dec 19, 2010 17:56 Location: Bashkortostan, Sterlitamak Thanks: 2 Contact info:
Message tandrei ” Tue Dec 20, 2011 04:35
Not magnetized! We use binders as intrusion detectors are just on the iron doors. For ten years they are working fine.
alpachin posts: 442 Registered: Sat Dec 01, 2011 17:44 Location: Tomsk Thanked: 2 times Online status: Offline
Posted by alpachin ” Tue Dec 20, 2011 05:17
..on Suzuki people made reed switches instead of regular ones, those that are imported and in rubber covers and die like flies in winter! reed switches are a good solution. I would introduce regular switches for the same price, those from the “glove compartment”.
Makashev M.K. Messages: 2981 Posted: Tue Feb 15, 2011 12:32 Location: Port of the Five Seas Online Status: Offline
Re: Reed switches instead of door latches
Posted by Makashev M.K. ” Tue Dec 20, 2011 07:02
tandrei wrote: Fed up with the perpetual hassle with door latches, I thought about building reed sensors.
The idea – not my own, inete has already been applied.
The reed switch principle is as follows: the reed switch closes/opens an electric circuit when exposed to an external magnetic field created by a magnet.
I will make a reed sensor from the reed switch KEM 3
which will be built inside the “double** PATRIOT door trim mounts (insert + plug) / 3163-5301245/1244” – not sure if it fits but I’ll try it on or find something similar.
and fill with sealant.
Design in section should look like this
Perhaps someone has done something similar? Or advise will help. I would be glad and grateful.
This type of reed switch and the version offered by you (in the “gun”) is NOT APPLICABLE, because for it to work the magnet must approach it from the side. About the commutated current. You have exactly the same lamps in the gloveboxes as in the ceiling lights, which are “tied” to the door switches. So the current load is exactly the same. They will hold. And if instead of regular bulbs put light-emitting diodes (although the price is biting), then another reserve on the current will appear.
tandrei Owner Posts: 984 Registered: Sun Dec 19, 2010 17:56 Location: Bashkortostan, Sterlitamak Thanks: 2 Contact info:
Message tandrei ” Tue Dec 20, 2011 09:38
Reed in the hands of CEM 3 g.And they are characterized by high sensitivity. Tested on the stand! Magnetic field is enough to spare.
doktor 666 Messages: 2015 Registered: Fri Oct 07, 2011 21:23 Location: ekb Online status: Offline
Message doktor 666 ” Tue Dec 20, 2011 15:36
Euro 3 pickup. A we are in the tank))) in a dirty tank.
tandrei Owner Posts: 984 Registered: Sun Dec 19, 2010 17:56 Location: Bashkortostan, Sterlitamak Thanks: 2 Contact info:
Post tandrei ” Tue Dec 20, 2011 3:43 pm
yu_yu Messages: 2452 Registered: Sat Apr 25, 2009 10:43 Location: Novosibirsk Thanks: 2 times Online status: Offline
Message yu_yu ” Wed Dec 21, 2011 07:25
Wouldn’t it be easier to use IO-102-6 (cmk-6). Especially for metal doors. Are in all stores selling security alarm equipment. Here are the specs of it: http://revun.ru/gerkon/52.html 
patr33 Posts: 201 Registered: Tue Jan 19, 2010 20:56 Location: city of Vladimir Thanked (a): 1 time Online status: Offline
Message patr33 ” Wed Dec 21, 2011 15:44
yu_yu wrote: Isn’t it easier to use IO-102-6 (smk-6). Especially for metal doors. There are in all stores selling security alarm equipment. Here are the specs of it: http://revun.ru/gerkon/52.html
tandrei Owner Posts: 984 Registered: Sun Dec 19, 2010 17:56 Location: Bashkortostan, Sterlitamak Thanks: 2 Contact info:
Message tandrei ” Wed Dec 21, 2011 16:17
yu_yu Messages: 2452 Registered: Sat Apr 25, 2009 10:43 Location: Novosibirsk Thanks: 2 times Online status: Offline
Message yu_yu ” Sat Dec 22, 2011 9:42 pm
yu_yu Messages: 2452 Registered: Sat Apr 25, 2009 10:43 Location: Novosibirsk Thanks: 2 times Online status: Offline
Message yu_yu ” Thu Dec 22, 2011 9:48 pm
All these sensors are used without complaint for many years at apartments and sites. Installed and forgot that it can “glitch”. More often change the door than these smkshki.
tandrei Owner Posts: 984 Registered: Sun Dec 19, 2010 17:56 Location: Bashkortostan, Sterlitamak Thanks: 2 Contact info:
Message tandrei ” Thu Jan 05, 2012 15:06
I had some free time to continue the experiment.
In the photo: “ten” piston for a screw, a reed, “stuffing for a piston”.
Solder wires to lower (needed) conclusions
Insulate with heat shrink tube
Cut off upper one (we don’t need it).
Epoxy – rulit. Putting the “stuffing for a gun” into the piston. I didn’t use it for the upper inset of the gun.
Almost finished.
So one installed (I made it a long time ago, I was too lazy to put it in and there was no time). It works great. As a response element, I used a round magnet in front of the place of installation (without glue yet).
