CN203300545U - Passive high-temperature-resistant proximity switch - Google Patents
Passive high-temperature-resistant proximity switch Download PDFInfo
- Publication number
- CN203300545U CN203300545U CN2013203711824U CN201320371182U CN203300545U CN 203300545 U CN203300545 U CN 203300545U CN 2013203711824 U CN2013203711824 U CN 2013203711824U CN 201320371182 U CN201320371182 U CN 201320371182U CN 203300545 U CN203300545 U CN 203300545U
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- inner core
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- magnet
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Abstract
The utility model provides a passive high-temperature-resistant proximity switch. The passive high-temperature-resistant proximity switch comprises an outer shell and an inner core, wherein the outer shell is provided with fixing nuts, the inner core is mounted inside the outer shell, the tail part of the outer shell is fixedly connected with a wire harness, the wire harness is electrically connected with the inner core, the inner core comprises an inner core shell body and a contact point mounted inside the inner core shell body, the contact point is connected with a magnet through a cylinder, the contact point is in up-down translational engagement with the magnet, upper and lower ends of the contact point are provided with contacts externally connected with copper wires, the upper end of the inner core shell body is provided with a mounting threaded base, the mounting threaded base is matched with the outer shell, and the inner core shell body is made of high-temperature-resistant materials. The passive high-temperature-resistant proximity switch adopts the high-temperature-resistant materials for manufacturing the shell body, so that the application temperature range is expanded, and the passive high-temperature-resistant proximity switch is suitable for the vast majority of usage occasions; and with the adoption of the structural design disclosed by the utility model, the application temperature range of the passive high-temperature-resistant proximity switch is expanded.
Description
Technical field
The utility model relates to the approach switch technology, is specifically related to a kind of passive high temperature resistant approach switch.
Background technology
Approach switch also is proximity switch; claim again static position switch; it is except can completing Stroke Control and position limitation protection; or a kind of checkout gear of non-contact type;, as detecting accessory size and testing the speed etc., also can be used for the automatic linking of frequency conversion counter, variable-frequency pulse generator, level control and procedure etc.
Often be applied to the signal feedback of various domestic, the import equipment in the chemical water treatment system, ash and slag handling system, soda acid metering system, condensate system, limewash system in the enterprises such as electric power, oil, chemical industry, metallurgy, boiler soot-blowing, light a fire, send bleed, the renewal product of all kinds of travel switches such as air draft, Electrically operated gate, provide the operating position monitoring to show.Because approach switch often is applied in the comparison rugged environment, therefore, it is more wide better that its serviceability temperature scope needs, and the serviceability temperature scope of present approach switch is less, under application and the environment of-35-180 ℃, and more in rugged environment, approach switch easily lost efficacy or error larger, affect practical function.
The utility model content
In order to solve the deficiency of above-mentioned technology, the purpose of this utility model is to provide a kind of passive high temperature resistant approach switch, and it has solved the less deficiency of approach switch serviceability temperature scope in the past.
The technical scheme that its technical problem that solves the utility model adopts is:
a kind of passive high temperature resistant approach switch, it comprises shell and inner core, described shell is provided with hold-down nut, described inner core is installed in the enclosure, the afterbody of shell is fixedly connected with wire harness, described wire harness is electrically connected to inner core, described inner core comprises inner core housing and the contact point that is arranged on the inner core enclosure interior, described contact point is connected with magnet by cylinder, described contact point coordinates with magnet up and down slippage, two ends, described contact point up and down are provided with the contact point of external copper cash, described inner core housing upper end is provided with the installation threaded block, described installation threaded block and shell are suitable, described inner core housing adopts exotic material to make.
Preferably, described inner core housing lower end is provided with adjusting nut, has the hole suitable with cylinder in the middle of described adjusting nut, and described cylinder is connected with magnet after running through adjusting nut.
Preferably, described magnet adopts alnico magnets.
Preferably, described shell is provided with two hold-down nuts.
Preferably, be provided with at least one pad between described hold-down nut.
The beneficial effects of the utility model are that the employing exotic material, as housing, makes its serviceability temperature scope augmentation, is fit to most use occasions, and adopts structural design described in the utility model, enlarges its serviceability temperature scope.
Description of drawings
Fig. 1 is the structural representation of shell of the present utility model.
Fig. 2 is the structural representation of the inner core with adjusting nut of the present utility model.
Fig. 3 is the enlarged drawing in circle in Fig. 2.
Fig. 4 is of the present utility model not with the structural representation of the inner core of adjusting nut.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further illustrated:
referring to Fig. 1, Fig. 2 and Fig. 4, the utility model comprises shell and inner core, described shell is provided with hold-down nut 2, described inner core is installed in the enclosure, the afterbody of shell is fixedly connected with wire harness 1, described wire harness 1 is electrically connected to inner core, the contact point 6 that described inner core comprises inner core housing 4 and is arranged on inner core housing 4 inside, described contact point 6 is connected with magnet 8 by cylinder 10, described contact point 6 coordinates with magnet 8 upper and lower translations, described contact point is provided with the contact 5 of external copper cash in two ends Shang Xia 6, described inner core housing 4 upper ends are provided with installs threaded block 7, described installation threaded block 7 is suitable with shell, described inner core housing 4 adopts exotic material to make.
When magnet 8 is changed by external magnetic field and during action, it can drive contact point 6 and attracts with magnet 8 or repel motion downward or upward, respectively with contact 5 conductings of contact point external copper cash at two ends 6 Shang Xia, thereby exports unlike signal.
Adopt structural design of the present utility model, adopt simultaneously exotic material to make inner core housing 4, described exotic material can stand 250 ° of high temperature by high energy, therefore makes the utility model can adapt to the temperature range of-60 to 250 degrees centigrade.
As shown in Figure 2, described inner core housing 4 lower ends are provided with adjusting nut 9, have the hole suitable with cylinder 10 in the middle of described adjusting nut 9, described cylinder 10 is connected with magnet 8 after running through adjusting nut 9, by regulating the position of adjusting nut 9, change the distance of reaction of magnet 8, thereby meet different occasion demands.。
Preferably, described magnet 8 adopts alnico magnets, and alnico magnets are to add strong magnetic, makes the spin of magnetisable material become fixed-direction to arrange with electronic angular momentum, adopts alnico magnets to guarantee useful life of the present utility model.
Preferably, described shell is provided with two hold-down nuts 2, is provided with at least one pad 3 between described hold-down nut 2, is used for fixing installation site of the present utility model.
Embodiment should not be considered as restriction of the present utility model, but any improvement of doing based on spirit of the present utility model, all should be within protection range of the present utility model.
Claims (5)
1. passive high temperature resistant approach switch, it comprises shell and inner core, described shell is provided with hold-down nut (2), described inner core is installed in the enclosure, it is characterized in that: the afterbody of shell is fixedly connected with wire harness (1), described wire harness (1) is electrically connected to inner core, described inner core comprises inner core housing (4) and is arranged on the inner contact point (6) of inner core housing (4), described contact point (6) is connected with magnet (8) by cylinder (10), described contact point (6) coordinates with magnet (8) upper and lower translation, two ends, described contact point (6) up and down are provided with the contact (5) of external copper cash, described inner core housing (4) upper end is provided with installs threaded block (7), described installation threaded block (7) is suitable with shell, described inner core housing (4) adopts exotic material to make.
2. passive high temperature resistant approach switch according to claim 1, it is characterized in that, described inner core housing (4) lower end is provided with adjusting nut (9), have the hole suitable with cylinder (10) in the middle of described adjusting nut (9), described cylinder (10) is connected with magnet (8) after running through adjusting nut (9).
3. passive high temperature resistant approach switch according to claim 1, is characterized in that, described magnet (8) adopts alnico magnets.
4. passive high temperature resistant approach switch according to claim 1, is characterized in that, described shell is provided with two hold-down nuts (2).
5. passive high temperature resistant approach switch according to claim 4, is characterized in that, is provided with at least one pad (3) between described hold-down nut (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203711824U CN203300545U (en) | 2013-06-26 | 2013-06-26 | Passive high-temperature-resistant proximity switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203711824U CN203300545U (en) | 2013-06-26 | 2013-06-26 | Passive high-temperature-resistant proximity switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203300545U true CN203300545U (en) | 2013-11-20 |
Family
ID=49576539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203711824U Expired - Fee Related CN203300545U (en) | 2013-06-26 | 2013-06-26 | Passive high-temperature-resistant proximity switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203300545U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110473748A (en) * | 2019-07-08 | 2019-11-19 | 石家庄钢铁有限责任公司 | The acquisition method of high-voltage circuitbreaker feedback signal |
-
2013
- 2013-06-26 CN CN2013203711824U patent/CN203300545U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110473748A (en) * | 2019-07-08 | 2019-11-19 | 石家庄钢铁有限责任公司 | The acquisition method of high-voltage circuitbreaker feedback signal |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 Termination date: 20200626 |