CN2075772U - Temperature resistance displacement sensor - Google Patents
Temperature resistance displacement sensor Download PDFInfo
- Publication number
- CN2075772U CN2075772U CN 90216422 CN90216422U CN2075772U CN 2075772 U CN2075772 U CN 2075772U CN 90216422 CN90216422 CN 90216422 CN 90216422 U CN90216422 U CN 90216422U CN 2075772 U CN2075772 U CN 2075772U
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- China
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- sensing head
- magnetic
- utility
- model
- described sensor
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Abstract
The utility model relates to a practical heatproof displacement sensor. The utility model is encapsulated by a groove-shaped aluminum profile and special heatproof adhesive material. The utility model can work continuously when the temperature is 200 DEG C, and can directly export strong electric control signals. The utility model has the advantages of strong antijamming performance, no need of special device, convenient installation, small size, light weight, low cost, and can be used as a proximity switch, a limit switch, a displacement indicator, etc. in various autocontrol and electromechanical equipment.
Description
The utility model is a kind of novel magnetic control displacement transducer.
The utility model was in the past both at home and abroad similar only heatproof 75-85 ℃ displacement transducer.In order under hot conditions, to realize displacement detecting, have to transducing part and preposition amplifier section are separated, be about to preposition amplifier section and move on to the normal temperature district, so that owing to increased the intermediate conveyor link, introduced undesired signal, make system reliability reduce then can't work (as the hall device) that has.
Purpose of the present invention is intended to develop a kind of utility model heatproof sensor, to satisfy in the commercial production the needs of the environment temperature＞100 ℃ displacement sensing that uses down around.
The utility model provides a kind of heatproof sensor of novel practical, and its inside and outside structure such as accompanying drawing 1,2 show.Permanent-magnet steel (8) and sensing head (9) are formed preferably by a temperature characterisitic for it, this sensing head is by magnetic switch (1), fixed support (2), bleeder vent (3), fixed orifice (4), sensing head lead-in wire (5) and magnetic conductive metal shell (6), special encapsulant (7) encapsulation do not form, simple in structure, process easy to use, cost is low, do not need specialized equipment to make, be particularly useful for the heatproof condition.
Magnetic switch in the utility model (1) can be according to the specific requirement of applied current, overall dimensions, and the reed type magnetic switch length of employing good temp characteristic can be less than 90 millimeters; Fixed support (2) can adopt non-magnetic conduction, non-conductive temperature-resistant material, as magnet ring, bakelite, resin plate etc.; Bleeder vent (3) open the both sides of sensing head or above; Sensing head lead-in wire (5) is heatproof multiple twin lead-in wire; The external form of magnetic conductive metal shell (6) can not adopt various grooved aluminium section bars according to applicable cases, and its contour length can be the 60-150 millimeter; Special encapsulant (7) can adopt the heat-resistance type jointing material, as: the epoxide resin type jointing material of solidifying and setting at high temperature.
Displacement transducer described in the utility model, outside and inner structure size can be decided according to application conditions.
Sensing head in the displacement transducer described in the utility model should with the heatproof characteristic preferably permanent-magnet steel be used, magnetic steel displacement (or fixing), sensing head is fixed (or displacement), the two relatively moves, should avoid the existence of magnetic conduction substance at its surrounding space that moves relatively, if when essential, then should keep suitable distance with effective magnetic field.
Displacement transducer described in the utility model, have processing, installation, easy to adjust, can be applicable to do in various automatic controls and the electromechanical integration equipment near switch, limit switch, displacement indication etc., the occasion that is particularly useful for high temperature (≤200 ℃) can be promoted in industries such as machinery, weaving, chemical industry, light industry, printing, food.
An embodiment of displacement transducer described in the utility model is as follows:
As shown in Figure 1, sensor is made up of magnet steel, sensing head two parts, and wherein magnet steel is to be fixed on the equipment by heatproof epoxy resin bonding material.
As shown in Figure 2, long 38.5 millimeters of magnetic switch (1), 3.5 millimeters of diameters, fixed support (2) is the magnet ring of ∮ 5 * 1.5 * 4; Bleeder vent (3) is opened in the sensing head both sides for garden shape; Sensing head lead-in wire (5) is heatproof multiple twin lead-in wire; Magnetic conductive metal shell (6) is not made by 8 * 8 * 1 grooved aluminium section bar, external form length is 115 millimeters, and be fixed on the tension force pedestal with brass screws at a distance of 105 millimeters ∮ 4 fixed orifices (4) by two ends, sensing head moves with tension axis, has realized the detection and the control of tension force.The epoxide resin type jointing material of solidifying and setting under the special sealing material use high temperature.
Claims (13)
1, a kind of heatproof displacement transducer, it comprises permanent-magnet steel and sensing head, it is characterized in that sensing head is not by magnetic switch (1), fixed support (2), bleeder vent (3), fixed orifice (4), sensing head lead-in wire (5), magnetic conductive metal shell (6), special encapsulant (7) are formed.
2, as the described sensor of claims, it is characterized in that the specific requirement according to applied current, overall dimensions, its magnetic switch (1) adopts the reed type magnetic switch of good temp characteristic.
3,, it is characterized in that the length of described magnetic switch (1) can be less than 90 millimeters as claims 1,2 described sensors.
4,, it is characterized in that described magnetic switch (1) can be long 38.5 millimeters, 3.5 millimeters of diameters as claims 1,2,3 described sensors.
5,, it is characterized in that fixed support (2) can adopt non-magnetic conduction, non-conductive temperature-resistant material, as magnet ring, bakelite, resin plate as claims 1 described sensor.
6,, it is characterized in that fixed support (2) can be the magnet ring of ∮ 5 * 1.5 * 4 as claim 1,5 described sensors.
7, as claims 1 described sensor, it is characterized in that bleeder vent (3) open the both sides of sensing head or above.
8,, it is characterized in that sensing head lead-in wire (5) is heatproof multiple twin lead-in wire as claims 1 described sensor.
9,, it is characterized in that magnetic conductive metal shell (6) is not the grooved aluminium section bar as claims 1 described sensor.
10,, it is characterized in that magnetic conductive metal shell (6) contour length is not the grooved aluminium section bar of 60-150 millimeter as claims 1,9 described sensors.
11,, it is characterized in that magnetic conductive metal shell (6) size not can be 8 * 8 * 1(millimeter as claims 1,9,10 described sensors) the grooved aluminium section bar.
12,, it is characterized in that special seal material (7) can adopt the heat-resistance type jointing material as claims 1 described sensor.
13,, it is characterized in that special seal material (7) can adopt the epoxide resin type jointing material of solidifying and setting under the high temperature as claims 1,12 described sensors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90216422 CN2075772U (en) | 1990-07-20 | 1990-07-20 | Temperature resistance displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90216422 CN2075772U (en) | 1990-07-20 | 1990-07-20 | Temperature resistance displacement sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2075772U true CN2075772U (en) | 1991-04-24 |
Family
ID=4895579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90216422 Withdrawn CN2075772U (en) | 1990-07-20 | 1990-07-20 | Temperature resistance displacement sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2075772U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100381777C (en) * | 2005-03-31 | 2008-04-16 | 索尼株式会社 | Magnetic scale |
| CN100425758C (en) * | 2001-06-15 | 2008-10-15 | 兄弟工业株式会社 | Broken thread detector for sewing machine |
-
1990
- 1990-07-20 CN CN 90216422 patent/CN2075772U/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100425758C (en) * | 2001-06-15 | 2008-10-15 | 兄弟工业株式会社 | Broken thread detector for sewing machine |
| CN100381777C (en) * | 2005-03-31 | 2008-04-16 | 索尼株式会社 | Magnetic scale |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |