CN2938375Y - Simple magnetic control switch - Google Patents
Simple magnetic control switch Download PDFInfo
- Publication number
- CN2938375Y CN2938375Y CN 200620106955 CN200620106955U CN2938375Y CN 2938375 Y CN2938375 Y CN 2938375Y CN 200620106955 CN200620106955 CN 200620106955 CN 200620106955 U CN200620106955 U CN 200620106955U CN 2938375 Y CN2938375 Y CN 2938375Y
- Authority
- CN
- China
- Prior art keywords
- magnetic induction
- contact chip
- utility
- induction spring
- model
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a simple magnetic control switch, comprising an insulating base body. The utility model is characterized in that the base body is provided with a first contact piece and a second piece and a magnetic induction spring, wherein the first contact piece is connected with the fixed end of the magnetic induction spring, the second contact piece is located beside the movable end of the magnetic induction spring. The utility model has advantages of a simple structure, stable performance and convenient assembly, the utility model solves the problem of cost and quality, can directly substitute a dry reed pipe, and is very suitable to be used as a door and window alarm.
Description
Technical field
The utility model relates to magnetic switch, particularly a kind ofly requires that electric current is little, the less demanding simple and easy magnetic switch of contact resistance.
Background technology
At the magnetic switch that requires that electric current is little, uses under the less demanding situation of contact resistance, for example the magnetic switch that uses on the door and window alarm generally adopts tongue tube.The basic structure of tongue tube is to adopt in the glass envelope encapsulating two alloy electrodes, be characterized in stable performance, but price is very high.The plastics tongue tube of also useful in recent years plastic casing instead of glass can, its price has been low much, but properties of product are extremely unstable.Document number is that the Chinese patent of CN2738384 discloses a kind of magnetic switch, comprise switch enclosure, be provided with fixed contact and moving contact in the switch enclosure, it is characterized in that: fixed magnet and back-moving spring are housed on the linking arm of moving contact, on the panel of switch enclosure support is housed, movable magnet is housed on the support, and movable magnet can rotate on support.Its weak point is, complex structure, and the cost height still can't adopt at this product that class quantity is big, price is low of door and window alarm.
Summary of the invention
The purpose of this utility model is to overcome the deficiency of prior art, and a kind of simple in structure, stable performance, simple and easy magnetic switch easy to assembly are provided.
The utility model solves the problems of the technologies described above the technical scheme that is adopted:
A kind of simple and easy magnetic switch, comprise an insulating base frame, it is characterized in that: first contact chip and second contact chip and magnetic induction spring are arranged on described pedestal, and first contact chip is connected with the stiff end of magnetic induction spring, and second contact chip is positioned at the side of the movable end of magnetic induction spring.
For optimizing technique scheme, the measure that the utility model is taked also comprises:
Described magnetic induction spring is a helical spring.
Because the utility model taked above-mentioned technical measures, it compared with prior art has simple in structure, stable performance, advantage such as easy to assembly, has solved cost and quality problems, and direct alternative dry reed pipe is fit to product such as door and window alarm and uses very much.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the left view of Fig. 1.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
With reference to accompanying drawing, the utility model comprises a box-like plastics pedestal 1, and first contact chip 4 and second contact chip 2 are arranged on pedestal 1.Between first contact chip 4 and second contact chip 2, a magnetic induction spring 3 is set, for example the steel helical spring.First contact chip 4 can be done bigger, so that be connected with the stiff end 3a of magnetic induction spring 3.Second contact chip 2 is positioned at the side of the movable end 3b of magnetic induction spring 3.First contact chip 4 is connected on the circuit board by the second contact chip pin 2a by the first contact chip pin 4a, second contact chip 2.
Operation principle is as follows:
When magnet during near the side of the movable end 3b of magnetic induction spring 3, the movable end 3b of attraction magnetic induction spring 3 contacts with second contact chip 2, thereby make first contact chip 4 by magnetic induction spring 3 and 2 conductings of second contact chip, switch converts open mode to by original closed condition; When magnet leaves the movable end 3b of magnetic induction spring 3, the movable end 3b of magnetic induction spring 3 returns to the home position, disengage with second contact chip 2, thereby first contact chip 4 and second contact chip 2 are disconnected, switch converts closed condition to by original open mode.
Claims (2)
1, a kind of simple and easy magnetic switch, comprise an insulating base frame (1), it is characterized in that: first contact chip (4) and second contact chip (2) and magnetic induction spring (3) are arranged on described pedestal (1), first contact chip (4) is connected with the stiff end (3a) of magnetic induction spring (3), and second contact chip (2) is positioned at the side of the movable end (3b) of magnetic induction spring (3).
2, simple and easy magnetic switch according to claim 1 is characterized in that: described magnetic induction spring (3) is a helical spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620106955 CN2938375Y (en) | 2006-08-22 | 2006-08-22 | Simple magnetic control switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620106955 CN2938375Y (en) | 2006-08-22 | 2006-08-22 | Simple magnetic control switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2938375Y true CN2938375Y (en) | 2007-08-22 |
Family
ID=38362401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620106955 Expired - Fee Related CN2938375Y (en) | 2006-08-22 | 2006-08-22 | Simple magnetic control switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2938375Y (en) |
-
2006
- 2006-08-22 CN CN 200620106955 patent/CN2938375Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070822 Termination date: 20100822 |