CN105958990B - Photoelectric proximity switch protective device - Google Patents
Photoelectric proximity switch protective device Download PDFInfo
- Publication number
- CN105958990B CN105958990B CN201610349220.4A CN201610349220A CN105958990B CN 105958990 B CN105958990 B CN 105958990B CN 201610349220 A CN201610349220 A CN 201610349220A CN 105958990 B CN105958990 B CN 105958990B
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- CN
- China
- Prior art keywords
- proximity switch
- photoelectric proximity
- casing
- pedestal
- protective device
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Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/945—Proximity switches
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/945—Proximity switches
- H03K2017/9455—Proximity switches constructional details
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- Switches Operated By Changes In Physical Conditions (AREA)
Abstract
The present invention provides a kind of photoelectric proximity switch protective device.The protective device includes: pedestal, and top is hatch frame, and the space that can accommodate photoelectric proximity switch is formed with inside it；Follower comprising: small casing, big casing, spring and upper cover；The bottom end of small casing is connected to the opening of pedestal；The lower part of big casing is sheathed on outside the top of small casing；Spring pocket is set to outside small casing, and its top and the bottom of big casing are supported, and are supported at the top of bottom and pedestal；Upper cover is set to the top of big casing；Driving mechanism comprising compression bar and movable pulley；One end of compression bar is connected with movable pulley, and the other end is provided with the connecting hole for connecting tested equipment；Movable pulley is set to the top of upper cover.The photoelectric proximity switch protective device can be such that photoelectric proximity switch interferes from extraneous factor, improve the accuracy and practicability of photoelectric proximity switch.
Description
Technical field
The present invention relates to photoelectric proximity switch technical fields, more particularly to a kind of photoelectric proximity switch protective device.
Background technique
With the continuous development of infant industry, the continuous extension of technology, photoelectric proximity switch is widely used.Light
Electricity is not only cheap close to switching, and accuracy is secure.But it is different according to used field, also occur very much
Problem such as causes on-off effect blunt or even failure in the larger place of dust in application, will appear dust and be attached to surface；For another example
In open space in use, will appear external light source interference, rain and snow weather etc. influence, cause photoelectric proximity switch too sensitive or
Dampness short circuit phenomenon.For truck dispatching system, photoelectric proximity switch is triggered as mine truck dumping and is used, and photoelectricity is close
Switch will directly affect the normal operation of whole system once occurring not triggering on time, even line short circuit be caused to damage when serious
Bad component.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of photoelectric proximity switch protective device.
The present invention provides a kind of photoelectric proximity switch protective device, comprising: pedestal, top are hatch frame, and in it
Portion is formed with the space that can accommodate photoelectric proximity switch；Follower comprising: small casing, big casing, spring and upper cover；Institute
The bottom end for stating small casing is connected to the opening of the pedestal；The lower part of the big casing is sheathed on the top of the small casing
Outside；The spring pocket is set to outside the small casing, and its top and the bottom of the big casing are supported, bottom and the pedestal
It supports at top；Upper cover is set to the top of the big casing；Driving mechanism comprising compression bar and movable pulley；The one of the compression bar
End is connected with the movable pulley, and the other end is provided with the connecting hole for connecting tested equipment；The movable pulley is set to institute
State the top of upper cover.
Further, the outwardly extending direction in the top of the small casing is provided with the first annular projection；The big casing
The direction that extends internally of bottom be provided with the second annular projection.
Further, the upper cover includes: the rubber sleeve for being covered on the big cannula tip；And it is set to the rubber
Cover the wear-resisting iron plate of top surface.
Further, the bottom periphery of the small casing is formed with external screw thread, and the opening of the pedestal is formed with interior spiral shell
Line；The small casing is connect with base thread.
Further, pedestal setting is provided with fixation hole on the footing there are two footing.
Further, the hole worn for the signal wire of photoelectric proximity switch is offered on the bottom surface of the pedestal.
It further, further include the photoelectric proximity switch bracket being set in the pedestal.
Photoelectric proximity switch protective device provided by the invention utilizes mechanical drive principle, and the movement of tested equipment is turned
It is changed to the movement of driven element in protective device, is not only played a protective role to photoelectric proximity switch, it is close not influence photoelectricity also
The normal effect of switch improves its accuracy and practicability so that photoelectric proximity switch is interfered from extraneous factor.Protection dress
It is simple to set manufacture craft, and practicability is stronger, can be widely applied to every field；Also there is maintenance easy to disassemble just simultaneously
Victory, the advantages such as maintenance cost is low.Its spirit can also be improved using the piston type protective device that small casing, big casing and spring form
Sensitivity.The use scope that photoelectric proximity switch can be expanded using photoelectric proximity switch protective device provided by the invention, is had
Biggish economic benefit.In addition, also there is certain enlightenment effect to the technological improvement in terms of heat release.Above-mentioned photoelectric proximity switch
Protective device also has direct meaning as the terminal signaling reception of truck dispatching system, when photoelectric proximity switch is once prolonged
When or when failure, it will cause the operation of entire truck dispatching system chaotic, it is serious to affect mine truck normal operation, into
And reduce the production efficiency of mine truck.And it can effectively be avoided using photoelectric proximity switch protective device provided by the invention
Above-mentioned undesirable condition is burdened with, and then guarantees the normal cloud heart of mine car, guarantees the production efficiency of mine car.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of photoelectric proximity switch protective device provided in an embodiment of the present invention.
Description of symbols:
1, tested equipment；2, rubber sleeve；3, big casing；4, the second annular projection；5, photoelectric proximity switch lamp cap；6, light
The close switch of electricity；7, photoelectric proximity switch bracket；8, pedestal；9, fixation hole；10, signal wire；11, external screw thread；12, sealing chamber；
13, spring；14, small casing；15, wear-resisting iron plate；16, compression bar；17, movable pulley.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Referring to FIG. 1, the figure shows the structures of photoelectric proximity switch protective device provided in an embodiment of the present invention.The guarantor
Protection unit includes:
Pedestal 8, top is hatch frame, and the space that can accommodate photoelectric proximity switch 6 is formed with inside it；
Follower comprising: small casing 14, big casing 3, spring 13 and upper cover；The bottom end of small casing 14 is connected to institute
State the opening of pedestal 8；The lower part of big casing 3 is sheathed on outside the top of small casing 14；13, spring are sheathed on outside small casing 14,
And its top and the bottom of big casing 3 are supported, bottom and the top of pedestal 8 are supported；Upper cover is set to the top of big casing 3；
Driving mechanism comprising compression bar 16 and movable pulley 17；One end of compression bar 16 is connected with movable pulley 17, other end setting
There is the connecting hole for connecting tested equipment 1；Movable pulley 17 is set to the top of upper cover.
In use, photoelectric proximity switch 6 is placed in pedestal 8, photoelectric proximity switch lamp cap 5 is towards tested equipment 1
Setting, as court sets up in the present embodiment.The other end of compression bar 16 is connected in tested equipment 1 i.e. by connecting hole
It can.It is mobile by the mobile drive driving mechanism of detection device, during active movement mechanism is mobile, in the spring 13 of follower
Under the action of, big casing 3 does stretching motion accordingly, i.e., big casing 3 is relatively moved relative to photoelectricity close to the lamp cap that opens the light, by
This guarantees the normal work of photoelectric proximity switch 6.Also, pedestal 8, small casing 14, big casing 3 and upper cover, which enclose to set, forms one
The signal acquisition work of the sealing chamber 12 of relative closure, photoelectric proximity switch 6 carries out in the sealing chamber 12, to prevent the external world
Interference of the environment to photoelectric proximity switch 6, thus plays protective effect to photoelectric proximity switch 6.
Big casing 3 separates in telescopic process with small casing 14 in order to prevent, the outwardly extending side in the top of small casing 14
To being provided with the first annular projection；The direction that the bottom of big casing 3 extends internally is provided with the second annular projection 4.When big casing 3
When moving up to range, the first annular projection and the second annular projection 4 contact with each other, with prevent big casing 3 continue to
Upper movement.
Above-mentioned upper cover is used to seal the top of big casing 3, to form above-mentioned sealing room 12.Further, upper cover is preferably wrapped
It includes: being covered on the rubber sleeve 2 at big 3 top of casing；And it is set to the wear-resisting iron plate 5 of 2 top surface of rubber sleeve.
It in order to facilitate being put into pedestal 8 of photoelectric proximity switch 6 and takes out, small casing 14 and pedestal 8 preferably can
For dismantling connection it is furthermore preferred that the bottom periphery of small casing 14 is formed with external screw thread 11,8 opening of pedestal is formed with internal screw thread；It is small
Casing 14 is threadedly coupled with pedestal 8.
In addition, the fixation of pedestal 8 for convenience, and the stability of pedestal 8 is improved, pedestal 8 is preferably provided with the bottom of there are two
Foot is provided with fixation hole 9 on footing.When installation, pedestal 8 is installed on designated position by fixation hole 9.
The bottom surface of pedestal 8 further preferably offers the hole worn for the signal wire 10 of photoelectric proximity switch 6, convenient for connecing for photoelectricity
Nearly switch 6 is powered.
Above-mentioned photoelectric proximity switch protective device further preferably includes the photoelectric proximity switch bracket 7 being set in pedestal 8.
The photoelectric proximity switch bracket 7 is preferably threadedly coupled with photoelectric proximity switch 6, has thus not only facilitated installation, but also connection is reliably.
As shown in the above, photoelectric proximity switch protective device provided in an embodiment of the present invention is former using machine driving
The movement of tested equipment, is converted to the movement of driven element in protective device, not only plays guarantor to photoelectric proximity switch by reason
Shield effect, does not influence the normal effect of photoelectric proximity switch also, so that photoelectric proximity switch is interfered from extraneous factor, improves it
Accuracy and practicability.The protective device manufacture craft is simple, and practicability is stronger, can be widely applied to every field；
Also there is easy to maintain easy to disassemble simultaneously, the advantages such as maintenance cost is low.The piston formed using small casing, big casing and spring
Formula protective device can also improve its sensitivity.Photoelectricity can be expanded using photoelectric proximity switch protective device provided by the invention
Close to the use scope of switch, there is biggish economic benefit.In addition, also there is certain open to the technological improvement in terms of heat release
It is shown as using.Above-mentioned photoelectric proximity switch protective device also has direct meaning as the terminal signaling reception of truck dispatching system,
When photoelectric proximity switch is once occurring being delayed or when failure, it will cause the operation of entire truck dispatching system chaotic, seriously
Affect mine truck normal operation, thereby reduce the production efficiency of mine truck.And use photoelectricity provided by the invention close
Switching protective device can effectively avoid being burdened with for above-mentioned undesirable condition, and then guarantee the normal cloud heart of mine car, guarantee mine car
Production efficiency.
Photoelectric proximity switch protective device provided by the present invention is described in detail above.Tool used herein
Principle and implementation of the present invention are described for body example, the above embodiments are only used to help understand this hair
Bright method and its core concept.It should be pointed out that for those skilled in the art, not departing from the present invention
, can be with several improvements and modifications are made to the present invention under the premise of principle, these improvement and modification also fall into right of the present invention
It is required that protection scope in.
Claims (6)
1. a kind of photoelectric proximity switch protective device characterized by comprising
Pedestal, top is hatch frame, and the space that can accommodate photoelectric proximity switch is formed with inside it；It is set in the pedestal
It is equipped with photoelectric proximity switch bracket, the photoelectric proximity switch bracket is threadedly coupled with the photoelectric proximity switch；
Follower comprising: small casing, big casing, spring and upper cover；The bottom end of the small casing is connected to the pedestal
Opening；The lower part of the big casing is sheathed on outside the top of the small casing；The spring pocket is set to outside the small casing, and
Its top and the bottom of the big casing are supported, and are supported at the top of bottom and the pedestal；Upper cover is set to the big casing
Top；
Driving mechanism comprising compression bar and movable pulley；One end of the compression bar is connected with the movable pulley, and other end setting is useful
In the connecting hole of connection tested equipment；The movable pulley is set to the top of upper cover.
2. photoelectric proximity switch protective device according to claim 1, which is characterized in that the top of the small casing is outside
The direction of extension is provided with the first annular projection；It is cyclic annular convex that the direction that the bottom of the big casing extends internally is provided with second
It rises.
3. photoelectric proximity switch protective device according to claim 1, which is characterized in that the upper cover includes: to be covered on
The rubber sleeve of the big cannula tip；And it is set to the wear-resisting iron plate of the rubber sleeve top surface.
4. photoelectric proximity switch protective device according to claim 1, which is characterized in that the bottom periphery of the small casing
It is formed with external screw thread, the opening of the pedestal is formed with internal screw thread；The small casing is connect with base thread.
5. photoelectric proximity switch protective device according to claim 1, which is characterized in that the bottom of there are two for the pedestal setting
Foot is provided with fixation hole on the footing.
6. photoelectric proximity switch protective device according to claim 1, which is characterized in that opened up on the bottom surface of the pedestal
There is the hole that the signal wire for photoelectric proximity switch is worn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610349220.4A CN105958990B (en) | 2016-05-24 | 2016-05-24 | Photoelectric proximity switch protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610349220.4A CN105958990B (en) | 2016-05-24 | 2016-05-24 | Photoelectric proximity switch protective device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105958990A CN105958990A (en) | 2016-09-21 |
| CN105958990B true CN105958990B (en) | 2019-03-29 |
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ID=56909514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610349220.4A Active CN105958990B (en) | 2016-05-24 | 2016-05-24 | Photoelectric proximity switch protective device |
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| Country | Link |
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| CN (1) | CN105958990B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107707237B (en) * | 2017-10-27 | 2021-08-24 | 潍坊宏图环保设备有限公司 | Photoelectric proximity switch with telescopic function |
| CN112117998B (en) * | 2020-09-16 | 2023-08-04 | 荣智工企智能技术(昆山)有限公司 | Photoelectric switch shield |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202998045U (en) * | 2012-12-18 | 2013-06-12 | 日照华信电气有限公司 | Novel proximity switch |
| CN205792510U (en) * | 2016-05-24 | 2016-12-07 | 内蒙古包钢钢联股份有限公司 | Photoelectric proximity switch protection device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8217482B2 (en) * | 2007-12-21 | 2012-07-10 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Infrared proximity sensor package with reduced crosstalk |
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2016
- 2016-05-24 CN CN201610349220.4A patent/CN105958990B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202998045U (en) * | 2012-12-18 | 2013-06-12 | 日照华信电气有限公司 | Novel proximity switch |
| CN205792510U (en) * | 2016-05-24 | 2016-12-07 | 内蒙古包钢钢联股份有限公司 | Photoelectric proximity switch protection device |
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| Publication number | Publication date |
|---|---|
| CN105958990A (en) | 2016-09-21 |
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