CN203218178U - Magnetic sensitive temperature switch structure - Google Patents
Magnetic sensitive temperature switch structure Download PDFInfo
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- CN203218178U CN203218178U CN 201320202995 CN201320202995U CN203218178U CN 203218178 U CN203218178 U CN 203218178U CN 201320202995 CN201320202995 CN 201320202995 CN 201320202995 U CN201320202995 U CN 201320202995U CN 203218178 U CN203218178 U CN 203218178U
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- magnetic
- magnet
- temperature switch
- sensitive
- switch structure
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Abstract
The utility model relates to a magnetic sensitive temperature switch structure comprising an outer shell, wherein a magnetic ring is fixedly arranged on the bottom end of the outer shell, a temperature-sensing magnetic ring and a magnet body are orderly arranged on the upper part of the magnetic ring, a micro-switch is arranged above the magnet body, one end of the micro-switch is a trigger control end, the position of trigger control end corresponds to the position of the magnet body, the other end face of the micro-switch is connected with a lead-out lead wire, the end face is provided with positioning plug which is abutted against the end face, the positioning plug is fixedly arranged on the inner wall of the outer shell, and the center of the bottom part of the outer surface of the outer shell inwardly forms a cylinder-shaped concave part; in the outer shell, the cylinder-shaped concaved part correspondingly forms a cylinder-shaped convex part; the magnetic ring is sleeved on the bottom end of the cylinder-shaped convex part, the temperature-sensing magnetic ring is arranged on the upper part of the magnetic ring and is also sleeved on the cylinder-shaped convex part, and the temperature-sensing magnetic ring is fixedly connected with the inner wall of the outer shell. The magnetic sensitive temperature switch adopting the structure is characterized in that the manufacture cost is low, the thermal response time is short, the magnetic sensitive temperature switch is very stable in state when being used; when a circuit is switched on, the lead-out lead wire is directly powered on, and a current passing through the switch is large in capacity.
Description
Technical field
The utility model relates to the electronic devices and components field, and particularly the temperature switch field specifically is a kind of magnetic-sensing temperature switch structure.
Background technology
Temperature switch is widely used in Modern Family, and technical fields such as motor are generally used for carrying out temperature detection and temperature control control.Magnetic-sensing temperature switch belongs to a kind of in the common temperature switch.Magnetic-sensing temperature switch can be according to the on off operating mode of the temperature automatic transfer switch of environment.Existing magnetic-sensing temperature switch mostly adopts the mode of magnet ring control tongue tube, and the maximum current capacity is below 0.7A.
Chinese patent " magnetic-sensing temperature switch " (patent No.: ZL 01210354.3) discloses a kind of magnetic-sensing temperature switch of being made by tongue tube and magnet ring.This magnetic-sensing temperature switch comprises a tongue tube, a temperature-sensitive soft magnetism ring and two permanent-magnetic clamps.During variations in temperature, the magnetic conduction state of temperature-sensitive soft magnetism ring can change, and the magnetic field intensity on the tongue tube correspondingly changes, thereby the on off operating mode that the control tongue tube touches reaches the effect of control circuit break-make.
The metal spring leaf that tongue tube disconnects during mainly by two soft magnetism materials, no magnetic is formed, and the contact of these two reeds is encapsulated in the glass tube that is filled with inert gas (as nitrogen, helium etc.) or vacuum, so manufacturing cost and difficulty are all higher.The magnetic-sensing temperature switch thermal response time that uses tongue tube to make is long, and because electric current needs the contact via two reeds, so the capacity of such temperature switch is less usually.
The utility model content
The purpose of this utility model is to have overcome above-mentioned shortcoming of the prior art, provides a kind of simple in structure, low cost of manufacture, and thermal response time is short, and the bigger magnetic-sensing temperature switch structure of capacity.
For realizing above-mentioned purpose, magnetic-sensing temperature switch structure of the present utility model by the following technical solutions:
This magnetic-sensing temperature switch structure, its main feature is, comprise shell, the bottom of described enclosure is set with first magnet, the top of described first magnet is disposed with temperature-sensitive magnet and second magnet, the top of described second magnet is provided with sensitive switch, and the shake-up control end of this sensitive switch is corresponding with the position of described second magnet, this sensitive switch also with draw lead and be connected.
Sensitive switch top in this magnetic-sensing temperature switch structure is against being provided with limit plug, and this limit plug is fixedly set in described outer casing inner wall.
The inside of shell in this magnetic-sensing temperature switch structure, limit plug and draw in the space that forms between the lead and be filled with casting glue.
Form cylindrical recess in this magnetic-sensing temperature switch structure in the mediad of outer casing bottom.
First magnet in this magnetic-sensing temperature switch structure is annular magnet, and in the enclosure, described cylindrical recess correspondingly forms cylindrical projection, and described first magnet is sheathed on the described cylindrical projection.
Temperature-sensitive magnet in this magnetic-sensing temperature switch structure is ring-type temperature-sensitive magnet, portion in the enclosure, and described cylindrical recess correspondingly forms cylindrical projection, and described temperature-sensitive magnet is sheathed on the described cylindrical projection.
Temperature-sensitive magnet in this magnetic-sensing temperature switch structure is fixedlyed connected with the inwall of described shell.
Shell in this magnetic-sensing temperature switch structure is metal shell, such as stainless steel casing or copper shell.
Shell in this magnetic-sensing temperature switch structure also can be non-metal shell, such as plastic casing and macromolecular material shell.
Adopted the magnetic-sensing temperature switch structure of this utility model, the utlity model has following characteristics: this magnetic-sensing temperature switch mainly is made up of magnet and sensitive switch, and is simple in structure, low cost of manufacture, it has utilized magnetoelectricity principle and electronic temperature measurement technology, and thermal response time is short.The magnetic of magnet is all very stable, thus this magnetic-sensing temperature switch when using operating state very stable.When circuit is connected, draw lead and directly be communicated with, because this structure does not adopt tongue tube, electric current need not via sheet metal, and the current capacity by switch improves greatly.
Description of drawings
Fig. 1 is the longitudinal sectional drawing of magnetic-sensing temperature switch structure of the present utility model.
Number in the figure is described as follows:
1 draws lead
2 casting glues
3 shells
4 limit plugs
5 sensitive switches
6 magnets
7 temperature-sensitive magnet rings
8 magnet rings
Embodiment
In order more to be expressly understood technology contents of the present utility model, describe in detail especially exemplified by following examples.
See also shown in Figure 1, it is the longitudinal sectional drawing of magnetic-sensing temperature switch structure of the present utility model, wherein, this magnetic-sensing temperature switch structure comprises shell 3, bottom in shell 3 inside is set with magnet ring 8, the top of magnet ring 8 is disposed with temperature-sensitive magnet ring 7 and magnet 6, and the top of magnet 6 is provided with sensitive switch 5, and its end is for touching control end 51, this end face is corresponding with the position of magnet 6, the other end with draw lead and be connected.Sensitive switch 5 with draw end face that lead is connected against being provided with limit plug 4, and this limit plug 4 is fixedly set in shell 3 inwalls.
Form cylindrical recess in the mediad of shell 3 outer surfaces bottom, in shell 3 inside, above-mentioned cylindrical recess correspondingly forms cylindrical projection, magnet ring 8 is sheathed on the bottom of this cylindrical projection, temperature-sensitive magnet ring 7 is arranged at the top of magnet ring 8, and be sheathed on equally on the above-mentioned cylindrical projection, and temperature-sensitive magnet ring 7 is fixedlyed connected with the inwall of shell 3.In shell 3 inside, form a rotary space between the lead 1 with drawing the end face that lead is connected and draw on limit plug 4, the sensitive switch 5.After the above-mentioned parts Installation and Debugging of in the magnetic-sensing temperature switch all, be filled with casting glue 2 in above-mentioned rotary space, casting glue 2 solidifies postforming.Casting glue 2 can be protected the part in the magnetic-sensing temperature switch, and part is hedged off from the outer world, and prolongs the useful life of switch, and guarantees the accuracy of temperature-sensitive magnet ring 7 thermometrics.
Own for temperature-sensitive magnet ring 7, a predefined critical temperature t is arranged
0, as measured body temperature t＞t
0The time, temperature-sensitive magnet ring 7 is magnetic conduction not; As measured body temperature t＜t
0The time, temperature-sensitive magnet ring 7 magnetic conductions.
When the rising of measured body temperature t, and greater than design temperature t
0The time, temperature-sensitive magnet ring 7 is magnetic conduction not, and magnet 6 repels mutually with magnet ring 8, the repulsion that 8 pairs of magnets of magnet ring 6 produce rises magnet 6, contacts with touching control end 51 after magnet 6 rises, and impels sensitive switch 5 closures, draw lead 1 and be conducting state, magnetic-sensing temperature switch is closure state at this moment.
When the decline of measured body temperature t, and less than critical temperature t
0The time, temperature-sensitive magnet ring 7 magnetic conductions, magnet 6, repels because polarity is opposite mutually with magnet ring 8, but because the magnetic of temperature-sensitive magnet ring 7 is stronger, temperature-sensitive magnet ring 7 can attract magnet 6, and owing to temperature-sensitive magnet ring 7 is fixedlyed connected with shell 3 inwalls, so temperature-sensitive magnet ring 7 is close to magnet 6, do not contact with shake-up control end 51, sensitive switch 5 disconnects, and draws lead 1 and also is off-state, and magnetic-sensing temperature switch is off-state at this moment.
When the measured body variations in temperature, the corresponding change of the magnetic conduction state of the temperature-sensitive magnet ring 7 in this magnetic-sensing temperature switch meeting triggers closing and closing of sensitive switch 5, draws the on off operating mode of lead by sensitive switch 5 controls, thereby plays the control for magnetic-sensing temperature switch.
As further preferred embodiment of the present utility model, the shell 3 in this magnetic-sensing temperature switch structure can adopt metal material, and such as stainless steel or copper, and other is equally applicable to the material of this product.
As another preferred embodiment of the present utility model, the shell 3 of this magnetic-sensing temperature switch structure also can adopt nonmetallic materials, and such as plastics or macromolecular material, and other is equally applicable to the material of this product.
Adopted above-mentioned magnetic-sensing temperature switch structure, this magnetic-sensing temperature switch mainly is made up of magnet and sensitive switch, and is simple in structure, low cost of manufacture, because it has utilized magnetoelectricity principle and electronic temperature measurement technology, thermal response time is short.The magnetic of magnet is all very stable, thus this magnetic-sensing temperature switch when using operating state very stable.When circuit is connected, draw lead and directly be communicated with, because this structure does not adopt tongue tube, electric current need not via sheet metal, and the current capacity by switch improves greatly.
In this specification, the utility model is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from spirit and scope of the present utility model.Therefore, specification and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (11)
1. magnetic-sensing temperature switch structure, it is characterized in that, comprise shell, the bottom of described enclosure is set with first magnet, the top of described first magnet is disposed with temperature-sensitive magnet and second magnet, the top of described second magnet is provided with sensitive switch, and the shake-up control end of this sensitive switch is corresponding with the position of described second magnet, this sensitive switch also with draw lead and be connected.
2. magnetic-sensing temperature switch structure according to claim 1 is characterized in that, described sensitive switch top is against being provided with limit plug, and this limit plug is fixedly set in the inwall of described shell.
3. magnetic-sensing temperature switch structure according to claim 2 is characterized in that, described enclosure, limit plug and draw in the space that forms between the lead and be filled with casting glue.
4. magnetic-sensing temperature switch structure according to claim 1 is characterized in that, the bottom center of described shell inwardly forms cylindrical recess.
5. magnetic-sensing temperature switch structure according to claim 4 is characterized in that, described first magnet is annular magnet, and described cylindrical recess correspondingly forms cylindrical projection in the enclosure, and described first magnet is sheathed on the described cylindrical projection.
6. magnetic-sensing temperature switch structure according to claim 4 is characterized in that, described temperature-sensitive magnet is ring-type temperature-sensitive magnet, and the described cylindrical recess of portion correspondingly forms cylindrical projection in the enclosure, and described temperature-sensitive magnet is sheathed on the described cylindrical projection.
7. magnetic-sensing temperature switch structure according to claim 6 is characterized in that, described temperature-sensitive magnet is fixedlyed connected with the inwall of described shell.
8. magnetic-sensing temperature switch structure according to claim 1 is characterized in that, described shell is metal shell.
9. magnetic-sensing temperature switch structure according to claim 8 is characterized in that, described metal shell is stainless steel casing or copper shell.
10. magnetic-sensing temperature switch structure according to claim 1 is characterized in that, described shell is non-metal shell.
11. magnetic-sensing temperature switch structure according to claim 10 is characterized in that, described non-metal shell is plastic casing or macromolecular material shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320202995 CN203218178U (en) | 2013-04-19 | 2013-04-19 | Magnetic sensitive temperature switch structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320202995 CN203218178U (en) | 2013-04-19 | 2013-04-19 | Magnetic sensitive temperature switch structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203218178U true CN203218178U (en) | 2013-09-25 |
Family
ID=49207691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320202995 Expired - Fee Related CN203218178U (en) | 2013-04-19 | 2013-04-19 | Magnetic sensitive temperature switch structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203218178U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108807073A (en) * | 2018-07-20 | 2018-11-13 | 深圳市源尤电源技术有限公司 | A kind of auto-power-off device for laptop line |
-
2013
- 2013-04-19 CN CN 201320202995 patent/CN203218178U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108807073A (en) * | 2018-07-20 | 2018-11-13 | 深圳市源尤电源技术有限公司 | A kind of auto-power-off device for laptop line |
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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: 20130925 Termination date: 20170419 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |