CN204946808U - A kind of magnetic-sensing temperature switch - Google Patents
A kind of magnetic-sensing temperature switch Download PDFInfo
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- CN204946808U CN204946808U CN201520626919.1U CN201520626919U CN204946808U CN 204946808 U CN204946808 U CN 204946808U CN 201520626919 U CN201520626919 U CN 201520626919U CN 204946808 U CN204946808 U CN 204946808U
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Abstract
The utility model relates to temperature-sensitive control switch technical field, particularly a kind of magnetic-sensing temperature switch.Comprise the body of tongue tube, be provided with the first contact and the second wafer in the right-hand member of described body, the first contact and the second wafer relative spacing are arranged, and the first contact and the second wafer are connected to pin and described two pins are arranged in body right output port respectively; Described body is provided with the third wafer, and the front end of the third wafer is located between the first contact and the second wafer movably, the rear end of the third wafer is connected with pin and this pin is arranged in the left port of body; The temperature-sensing magnetic group coordinated with the third wafer is provided with outside described body.The utility model is rational in infrastructure, intrinsic three contacts of tongue tube are drawn respectively by pin, one of them contact and another two contacts are formed selects connectivity structure, the changes of magnetic field of temperature-sensing magnetic group controls the connected sum disjunction of contact, make tongue tube realize often opening and normally closed selection switching under variations in temperature, export magnetoelectricity control signal.
Description
Technical field
The utility model relates to temperature-sensitive control switch technical field, particularly a kind of magnetic-sensing temperature switch.
Background technology
Tongue tube magnetic approach switch is that a kind of break-make realized between non-contact magnetic force triggering tongue tube two contacts controls mains switch, and its reliability is fully verified, is widely used in fields such as the detection of electric pressure cooker closing lid and zero-pressure detections.Tongue tube comprises a double glazing pipe, is filled with highly purified inert gas in glass tube, is provided with two and often opens or normally closed contact in glass tube, and contact is drawn from the two ends of glass tube respectively by corresponding pin.Make two contactings or disjunction by the effect in magnetic field, output signal realizes the object that magnetoelectricity controls.Tongue tube is simpler than common mechanical construction of switch, volume is little, speed is high, long working life; And compared with electronic switch, it has again the features such as anti-loading impact capacity is strong, functional reliability is very high.But the tongue tube function singleness of this structure, can only realize often opening or normally closed control selection, during practical application, flexibility is not enough.Therefore, prior art has yet to be improved and developed.
Summary of the invention
The purpose of this utility model is defect for prior art and deficiency, provide a kind of rational in infrastructure, control magnetic-sensing temperature switch flexibly.
For achieving the above object, the utility model is by the following technical solutions:
A kind of magnetic-sensing temperature switch described in the utility model, comprise the body of tongue tube, the first contact and the second wafer is provided with in the right-hand member of described body, first contact and the second wafer relative spacing are arranged, and the first contact and the second wafer are connected to pin and pin is arranged in body right output port; Described body is provided with the third wafer, and the front end of the third wafer is located between the first contact and the second wafer movably, the rear end of the third wafer is connected with pin and this pin is arranged in the left port of body; The temperature-sensing magnetic group coordinated with the third wafer is provided with outside described body.
Further, conflict with the first contact in the front end of described the third wafer is be communicated with to arrange.
Further, described temperature-sensing magnetic group comprises temperature-sensitive ferrite, and temperature-sensitive ferrite is sheathed on outside the body of the third wafer leading section; Described temperature-sensitive ferrite both sides are respectively equipped with permanent magnet, and one of them permanent magnet is located at outside the body of the third wafer rearward end, another permanent magnet be located at body right-hand member and with the first contact, the second wafer is corresponding arranges.
Further, described first contact medial surface of conflicting with the third wafer is provided with antifreeze plate.
Further, described temperature-sensitive ferrite and permanent magnet are loop configuration and arrange, and temperature-sensitive ferrite and two permanent magnets are all sheathed in body outer rim.
Further, two pins on described first contact and the second wafer are at least provided with a welding bending.
The utility model beneficial effect is: the utility model is rational in infrastructure, intrinsic three contacts of tongue tube are drawn respectively by pin, one of them contact and another two contacts are formed selects connectivity structure, the changes of magnetic field of temperature-sensing magnetic group controls the connected sum disjunction of contact, make tongue tube realize often opening and normally closed selection switching under variations in temperature, export magnetoelectricity control signal.
Accompanying drawing explanation
Fig. 1 is overall cross-sectional view of the present utility model;
Fig. 2 is body interior structural representation of the present utility model;
Fig. 3 is A portion structure for amplifying schematic diagram in Fig. 2.
In figure:
1, body; 2, pin; 11, the first contact; 12, the second wafer;
13, the third wafer; 14, antifreeze plate; 15, temperature-sensitive ferrite; 16, permanent magnet;
21, bending is welded.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
A kind of magnetic-sensing temperature switch described in the utility model, comprise the body 1 of tongue tube, inert gas is filled with in body 1, the first contact 11 and the second wafer 12 is provided with in the right-hand member of described body 1, first contact 11 and the second wafer 12 relative spacing are arranged, and the first contact 11 and the second wafer 12 are connected to pin 2 and pin 2 is arranged in body 1 right output port; Described body 1 is provided with the third wafer 13, and the front end of the third wafer 13 is located between the first contact 11 and the second wafer 12 movably, the rear end of the third wafer 13 is connected with pin 2 and this pin 2 is arranged in the left port of body 1; The temperature-sensing magnetic group coordinated with the third wafer 13 is provided with outside described body 1, temperature-sensing magnetic group testing environment temperature also produces changes of magnetic field thereupon, the third wafer 13 affects by temperature-sensing magnetic group and switches and the disjunction of the first contact 11, the second wafer 12 and connected state, thus makes tongue tube realize the output of temperature-sensitive detection and control signal.
It is be communicated with to arrange that front end and first contact 11 of above-mentioned the third wafer 13 are conflicted, under initial condition, the third wafer 13 is partial to the first contact 11 by its own mechanical properties and is in contact with it connection, thus selects the pin 2 on connection first contact 11 or the second wafer 12 can realize often opening or the selection of normally closed function.
Above-mentioned temperature-sensing magnetic group comprises temperature-sensitive ferrite 15, and temperature-sensitive ferrite 15 is sheathed on outside the body 1 of the third wafer 13 leading section; Described temperature-sensitive ferrite 15 both sides are respectively equipped with permanent magnet 16, and one of them permanent magnet 16 is located at outside the body 1 of the third wafer 13 rearward end, another permanent magnet 16 be located at body 1 right-hand member and with the first contact 11, the second wafer 12 is corresponding arranges; Two permanent magnets 16 are separately positioned near the third wafer 13 both ends place, thus form fixed magnetic field to shield the third wafer 13.
Above-mentioned first contact 11 medial surface of conflicting with the third wafer 13 is provided with antifreeze plate 14.
Above-mentioned temperature-sensitive ferrite 15 and permanent magnet 16 are loop configuration and arrange, and temperature-sensitive ferrite 15 and two permanent magnets 16 are all sheathed in body 1 outer rim.
Two pins 2 on above-mentioned first contact 11 and the second wafer 12 are at least provided with a welding bending 21, two adjacent pin 2 easy Da welderings when tongue tube assembles, make two pins 2 draw respectively and weld with circuit by the welding bending 21 of at least one, thus improve welding quality and assembly precision.
The above is only better embodiment of the present utility model, therefore all equivalences done according to structure, feature and the principle described in the utility model patent claim change or modify, and are included in the utility model patent claim.
Claims (6)
1. a magnetic-sensing temperature switch, comprise the body (1) of tongue tube, it is characterized in that: in the right-hand member of described body (1), be provided with the first contact (11) and the second wafer (12), first contact (11) and the second wafer (12) relative spacing are arranged, and the first contact (11) and the second wafer (12) are connected to pin (2) and pin (2) is arranged in body (1) right output port; Described body (1) is provided with the third wafer (13), the front end of the third wafer (13) is located between the first contact (11) and the second wafer (12) movably, the rear end of the third wafer (13) is connected with pin (2) and this pin (2) is arranged in the left port of body (1); Described body (1) outside is provided with the temperature-sensing magnetic group coordinated with the third wafer (13).
2. magnetic-sensing temperature switch according to claim 1, is characterized in that: it is be communicated with to arrange that front end and first contact (11) of described the third wafer (13) are conflicted.
3. magnetic-sensing temperature switch according to claim 1, it is characterized in that: described temperature-sensing magnetic group comprises temperature-sensitive ferrite (15), temperature-sensitive ferrite (15) is sheathed on body (1) outside of the third wafer (13) leading section; Described temperature-sensitive ferrite (15) both sides are respectively equipped with permanent magnet (16), one of them permanent magnet (16) is located at body (1) outside of the third wafer (13) rearward end, another permanent magnet (16) be located at body (1) right-hand member and with the first contact (11), the second wafer (12) is corresponding arranges.
4., according to the arbitrary described magnetic-sensing temperature switch of claim 1-3, it is characterized in that: described first contact (11) medial surface of conflicting with the third wafer (13) is provided with antifreeze plate (14).
5. magnetic-sensing temperature switch according to claim 3, it is characterized in that: described temperature-sensitive ferrite (15) and permanent magnet (16) are loop configuration and arrange, and temperature-sensitive ferrite (15) and two permanent magnets (16) are all sheathed in body (1) outer rim.
6. magnetic-sensing temperature switch according to claim 1, is characterized in that: two pins (2) on described first contact (11) and the second wafer (12) are at least provided with welding bending (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520626919.1U CN204946808U (en) | 2015-08-19 | 2015-08-19 | A kind of magnetic-sensing temperature switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520626919.1U CN204946808U (en) | 2015-08-19 | 2015-08-19 | A kind of magnetic-sensing temperature switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204946808U true CN204946808U (en) | 2016-01-06 |
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ID=55014210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520626919.1U Expired - Fee Related CN204946808U (en) | 2015-08-19 | 2015-08-19 | A kind of magnetic-sensing temperature switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204946808U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108385038A (en) * | 2018-03-29 | 2018-08-10 | 中国矿业大学 | A kind of temperature-sensitive Fe-based amorphous alloy and preparation method thereof and the magnetic temp.-regulating switch being prepared by the alloy |
| CN113091775A (en) * | 2021-02-20 | 2021-07-09 | 昆山瑞以森传感器有限公司 | Reed pipe sensor and manufacturing method thereof |
-
2015
- 2015-08-19 CN CN201520626919.1U patent/CN204946808U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108385038A (en) * | 2018-03-29 | 2018-08-10 | 中国矿业大学 | A kind of temperature-sensitive Fe-based amorphous alloy and preparation method thereof and the magnetic temp.-regulating switch being prepared by the alloy |
| CN108385038B (en) * | 2018-03-29 | 2020-06-05 | 中国矿业大学 | Heat-sensitive iron-based amorphous alloy, preparation method thereof and magnetic temperature control switch prepared from alloy |
| CN113091775A (en) * | 2021-02-20 | 2021-07-09 | 昆山瑞以森传感器有限公司 | Reed pipe sensor and manufacturing method thereof |
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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: 20160106 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |