CN205303218U - Electromagnetic switch - Google Patents
Electromagnetic switch Download PDFInfo
- Publication number
- CN205303218U CN205303218U CN201620012905.5U CN201620012905U CN205303218U CN 205303218 U CN205303218 U CN 205303218U CN 201620012905 U CN201620012905 U CN 201620012905U CN 205303218 U CN205303218 U CN 205303218U
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- coil
- switch
- conductive substance
- magnetic conductive
- 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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- Push-Button Switches (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Abstract
The utility model discloses a based on electromagnetic induction principle and produce sensing signal's ELECTROMAGNETIC SWITCH. It is inside the switch protective housing, by permanent magnet, coil, lead magnetic substance, reset spring constitutes, lead magnetic substance and pass coil and reset spring to keep certain distance with the permanent magnet. During press the switch, leading magnetic substance and being magnetized with permanent magnet contact and quilt, the coil produces sensing signal, and control circuit is given in the transmission, again by control circuit control electrical equipment break -make.
Description
Technical field
This utility model relates to a kind of electromagnetic switch, relates more specifically to a kind of switch producing control signal based on electromagnetic induction principle.
Background technology
In daily life, switch visible everywhere with us, especially mechanical switch, but in use mechanical switch has the disadvantage in that 1. are easily generated electric spark, 2. fragile. Therefore forbid using under the environment such as humidity, dust.
Utility model content
In order to overcome the shortcoming that existing switch is fragile, be easily generated electric spark, this utility model provides a kind of switch, and this electromagnetic switch not only safety coefficient is high but also long service life.
This utility model is intended by the following technical solutions:
For solving problem above, this utility model devises a kind of switch based on electromagnetic induction, and structure includes permanent magnet, magnetic conductive substance, back-moving spring, coil, control circuit, containment vessel, shift knob.
Principle: switch when being not affected by pressing, magnetic conductive substance passes from coil and keeps appropriately distance with permanent magnet, magnetic conductive substance is shaped as cylinder, permanent magnet is shaped as cube, permanent magnet is parallel to coil and places, owing to its magnetic induction line is parallel with coil, now coil flux amount is zero, after shift knob is depressed, magnetic conductive substance can be forced to move, until contacting with each other with permanent magnet, now permanent magnet magnetization magnetic conductive substance, magnetic induction line forms closed-loop path by magnetic conductive substance, coil magnetic flux also can change simultaneously, thus producing faradic current, faradic current through wire transmission to control circuit, by control circuit, electrical equipment is controlled again. when the pressure of shift knob is reduced, back-moving spring forces magnetic conductive substance to move, and permanent magnet separates with magnetic conductive substance, coil flux amount vanishing, returns to the state before pressing, and prepares for next time.
Beneficial effect: this utility model has the advantages such as simple in construction, safety, long service life
Accompanying drawing explanation
Fig. 1 is external structure schematic diagram of the present utility model. Wherein, (1) containment vessel, (2) shift knob
Fig. 2 is this utility model internal structure schematic diagram. Wherein, (1) containment vessel, (2) shift knob, (3) coil, (4) back-moving spring, (5) permanent magnet, (6) magnetic conductive substance.
Fig. 3 is this utility model functional-block diagram. Wherein, (7) current signal, (8) control circuit, (9) electrical equipment, (10) electromagnetic switch.
Detailed description of the invention
The technical solution of the utility model is further illustrated below in conjunction with Fig. 1, Fig. 2, Fig. 3. Fig. 1, electromagnetic switch (10) shown in Fig. 2, back-moving spring (4) is fixed on shift knob (2) lower section, and it is outside to be placed on containment vessel (1), shift knob (2) is fixed on one end of magnetic conductive substance (6), distance between the other end of magnetic conductive substance (6) and permanent magnet (5) is 2cm, and shift knob is placed on containment vessel (1) outside, it is internal that magnetic conductive substance (6) is positioned over containment vessel (1), when shift knob (2) is when being not affected by pressing, magnetic conductive substance (6) passes from coil (3) and back-moving spring (4), the other end keeps appropriately distance with permanent magnet (5), magnetic conductive substance (6) is placed with coil (3) centerline parallel, permanent magnet (5) is perpendicular to coil (3) centrage and places, the magnetic induction line produced due to permanent magnet (5) is parallel with coil (3), now coil (3) magnetic flux is zero, after shift knob (2) is depressed, magnetic conductive substance (6) can be forced to move, until contacting with each other with permanent magnet (5), now permanent magnet (5) magnetization magnetic conductive substance (6), coil (3) magnetic flux also can change simultaneously, thus producing current signal (7), current signal (7) through wire transmission to control circuit (8), by control circuit (8), electrical equipment (9) is controlled again.When the pressure of shift knob (2) is reduced, back-moving spring (4) forces magnetic conductive substance (6) to move, permanent magnet (5) separates with magnetic conductive substance (6), coil (3) magnetic flux vanishing, switch (10) returns to the state before pressing, and prepares for next time.
Claims (2)
1. electromagnetic switch; it is made up of protection shell (1), shift knob (2), back-moving spring (4), magnetic conductive substance (6), coil (3), permanent magnet (5); it is characterized in that one end of shift knob (2) and magnetic conductive substance (6) is fixed together, the distance between the other end of magnetic conductive substance (6) and permanent magnet (5) is 2cm.
2. electromagnetic switch according to claim 1, is characterized in that magnetic conductive substance (6) sequentially passes through back-moving spring (4), coil (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620012905.5U CN205303218U (en) | 2016-01-04 | 2016-01-04 | Electromagnetic switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620012905.5U CN205303218U (en) | 2016-01-04 | 2016-01-04 | Electromagnetic switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205303218U true CN205303218U (en) | 2016-06-08 |
Family
ID=56485283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620012905.5U Expired - Fee Related CN205303218U (en) | 2016-01-04 | 2016-01-04 | Electromagnetic switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205303218U (en) |
-
2016
- 2016-01-04 CN CN201620012905.5U patent/CN205303218U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20170104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |