CN113375705A - Protection structure of groove type photoelectric sensor - Google Patents
Protection structure of groove type photoelectric sensor Download PDFInfo
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- CN113375705A CN113375705A CN202110620723.1A CN202110620723A CN113375705A CN 113375705 A CN113375705 A CN 113375705A CN 202110620723 A CN202110620723 A CN 202110620723A CN 113375705 A CN113375705 A CN 113375705A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/24—Housings ; Casings for instruments
- G01D11/245—Housings for sensors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
- G01D3/08—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for safeguarding the apparatus, e.g. against abnormal operation, against breakdown
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Abstract
The application discloses slot type photoelectric sensor protective structure, this protective structure includes: the cable guide device comprises a first shell, a second shell, a cable guide-out part and a rubber coating structure; the first shell and the second shell are detachably connected; the cable leading-out part is connected with the first shell or the second shell or the joint of the first shell and the second shell; the rubber coating structure includes: a first binder structure and a second binder structure; the first encapsulating structure is arranged at the joint of the first shell and the second shell; the second encapsulating structure is arranged at the joint of the cable leading-out part and the first shell, or the joint of the cable leading-out part and the second shell, or the joint of the cable leading-out part, the first shell and the second shell. This application sets up the rubber coating structure on the basis of casing protection, has eliminated the fit-up gap between the original casing, makes the protection level reach IP67, realizes the dual protection of cell type photoelectric sensor to make it can be in service in adverse circumstances, increased its application.
Description
Technical Field
The utility model belongs to the technical field of cell type photoelectric sensor, specifically relate to a cell type photoelectric sensor protective structure.
Background
The light source, the optical path and the photoelectric element constitute a photoelectric sensor which detects a non-electric quantity directly causing a change in the amount of light or detects another non-electric quantity which can be converted into a change in the amount of light by converting an optical signal (infrared light, visible light, ultraviolet light, etc.) into an electrical signal.
A groove-type photoelectric sensor belongs to a photoelectric sensor, belongs to a correlation type photoelectric sensor, and is also called as a U-shaped photoelectric sensor, wherein an emitting end and a receiving end of the photoelectric sensor are integrated. The groove width of the groove-type photoelectric sensor determines the strength and distance of a sensing receiving signal, the detection mode belongs to non-contact detection, the limitation of a detected body is less, and the groove-type photoelectric sensor is generally widely applied to detecting small-volume objects.
The connection and matching modes between the groove type photoelectric sensor shells are different, and the protection level of the groove type photoelectric sensor is influenced. The protection level of the photoelectric sensor is established in accordance with standards such as IEC (international electrotechnical commission), JIS (japanese industrial standard), and JEMA (japanese electrical machinery industry association). The common IEC standard uses a symbol IP followed by two digits to represent the protection grade, the first digit range is 0-6, the protection of the sensor on human bodies and solid foreign bodies is represented, and the second digit range is 0-8, the protection on water invasion is represented. The first digital protection level represents the content: 0 is unprotected, 1 is Φ 50mm (human hand), 2 is Φ 20mm (finger), 3 is Φ 2.5mm (tool etc.), 4 is Φ 1.0mm, 5 is that most of dust cannot invade, 6 is complete protection (dust cannot invade at all). The second digital protection level represents the content: 0 is unprotected, 1 is drip-proof I type, 2 is drip-proof II type, 3 is rain-proof type, 4 is antifoam type, 5 is blowout-proof flow type, 6 is water-resistant type, 7 is anti-soaking type, and 8 is water-medium type. The higher the protection grade is, the wider the application field thereof is. The existing groove-type photoelectric sensor cannot be used in a severe environment due to low protection level, or the service life of the sensor is suddenly reduced due to forced service in the severe environment, so that the waste of artificial resource is generated. In addition, the high protection level has certain resistance to accidents, such as rain, the sensor falling into water and the like, and can add one or even multiple insurance for the use of the sensor.
Disclosure of Invention
In view of the above-mentioned shortcomings or drawbacks of the prior art, the present application provides a protection structure for a trench type photoelectric sensor.
In order to solve the technical problem, the application is realized by the following technical scheme:
the application provides a groove type photoelectric sensor protective structure, include: the cable guide-out part is connected with the first shell, or the cable guide-out part is connected with the second shell, or the cable guide-out part is connected with the joint of the first shell and the second shell;
wherein, the rubber coating structure includes: first rubber coating structure and second rubber coating structure, first rubber coating structure set up in first casing with the junction of second casing, second rubber coating structure set up in cable derivation portion with the junction of first casing, perhaps, second rubber coating structure set up in cable derivation portion with the junction of second casing, perhaps, second rubber coating structure set up in cable derivation portion with the first casing, the junction of second casing.
Further, in the above groove-shaped photoelectric sensor protection structure, the first casing or the second casing is made of a transparent material.
Further, in the above groove-shaped photoelectric sensor protection structure, the encapsulating structure further includes a third encapsulating structure covering the outer surface of the first housing or the outer surface of the second housing.
Further, in the above groove-shaped photoelectric sensor protection structure, the third encapsulating structure is disposed to avoid a detection surface disposed on the first housing or the second housing.
Further, in the groove-shaped photoelectric sensor protection structure, the first housing is provided with a buckle, the second housing is provided with a clamping seat, and the buckle is connected with the clamping seat in a matching manner.
Further, in the groove-shaped photoelectric sensor protection structure, the first shell is provided with a first step surface, the second shell is provided with a second step surface, and the first step surface is connected with the second step surface in a matching manner.
Further, in the groove-shaped photoelectric sensor protection structure, the first shell is provided with a guide groove, the second shell is provided with a guide post, and the guide groove is connected with the guide post in a matching manner.
Further, in the groove-shaped protection structure for the photoelectric sensor, a positioning column for matching and connecting with a positioning hole formed on a Printed Circuit Board (PCB) Board is disposed inside the first casing or the second casing.
Further, in the above groove-shaped photoelectric sensor protection structure, the joints of the first shell and the second shell are respectively provided with a melting rib.
Further, in the above groove-shaped photoelectric sensor protection structure, the first casing or the second casing is provided with a first glue groove.
Further, in the above groove-shaped photoelectric sensor protection structure, a second glue groove is formed at a joint of the first housing or the second housing.
Further, in the groove-type photoelectric sensor protection structure, the width and the height of the first glue groove and the second glue groove are both 1-1.35 mm.
Further, in the above groove-shaped photoelectric sensor protection structure, a melting point of a material of the encapsulating structure is lower than melting points of materials of the first housing, the second housing and the cable lead-out portion.
Further, foretell cell type photoelectric sensor protective structure, wherein, the first casing with the junction of second casing still is equipped with cable joint portion, wherein, cable joint portion includes tenon and recess, the tenon set up in on the first casing, the recess corresponds the tenon set up in on the second casing, perhaps, the recess set up in on the first casing, the tenon corresponds the recess set up in on the second casing.
Further, in the above groove-shaped photoelectric sensor protection structure, an indicator light cover is further disposed on the first casing or the second casing, an outer surface of the indicator light cover is a plane, and an inner surface of the indicator light cover is a non-plane.
Compared with the prior art, the method has the following technical effects:
the groove-shaped photoelectric sensor is provided with the rubber coating structure on the basis of mechanical assembly of the first shell, the second shell and the cable leading-out part, namely, the rubber coating protection is further carried out in a shell protection mode, the assembly gap among the original shells is eliminated, the air tightness and the waterproof performance of the groove-shaped photoelectric sensor are enhanced, the double protection of the groove-shaped photoelectric sensor is realized, the protection grade reaches IP67, and the groove-shaped photoelectric sensor with the protection structure can be used in severe environments such as rain, dust and the like; meanwhile, damage and the like caused by accidents can be effectively avoided, the effects of protection, resistance and the like can be achieved, safety is set for the use of the anti-theft door lock, and the application field of the anti-theft door lock is greatly increased.
The rubber coating structure of this application can strengthen each part on the one hand and connect, and on the other hand can also utilize properties such as light transmissivity, hardness, thermoplasticity, melting point of material through the selection of its material, avoids external disturbance, and the supplementary detection accuracy that promotes cell type photoelectric sensor. In addition, the melting point of the material of the encapsulation structure is lower than that of the first shell, the second shell and the cable leading-out part, so that the first shell, the second shell and the cable leading-out part are protected from being melted or deformed in the formation process of the encapsulation structure.
This application has set up a plurality of location structures, if: the step surface, the positioning column, the guide groove and the guide column assist the first shell and the second shell to be assembled quickly, and work efficiency is improved; the application further arranges a melting rib on the first shell and the second shell, and the melting rib is melted in the forming process of the encapsulation structure, so that the encapsulation bonding strength is enhanced; the rubber coating device is further provided with a first rubber groove and a second rubber groove, and the probability of the problems of rubber shortage, edge overflow and the like of the rubber coating structure is reduced through the size design of the rubber coating device; the cable clamping part is further arranged, and the design of the tenon and the groove of the cable clamping part can fix the cable of the groove type photoelectric sensor on one hand and enhance the encapsulation strength in the process of forming the encapsulation structure on the other hand; this application has still set up the pilot lamp cover on first casing or second casing, and the person of being convenient for to detect observes the detection condition to set up this pilot lamp cover's surface into the plane, the internal surface is the non-plane, and the pilot lamp light of being convenient for is focused, reinforcing pilot lamp visual effect.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1: a schematic structural diagram of a trench-type photosensor with a protective structure in an embodiment of the present application;
FIG. 2: an exploded view one of the structure shown in fig. 1;
FIG. 3: an exploded view two of the structure shown in fig. 1;
FIG. 4: a schematic structural diagram of a first housing in an embodiment of the present application;
FIG. 5: a partial enlarged view of the structure shown in fig. 4;
FIG. 6: a bottom view of the structure shown in fig. 4;
FIG. 7: a front view of the structure shown in FIG. 4;
FIG. 8: a cross-sectional view of the structure along B-B as shown in FIG. 7;
FIG. 9: a schematic structural diagram of the second housing in an embodiment of the present application;
FIG. 10: a front view of the structure shown in FIG. 9;
FIG. 11: a partial enlarged view of the structure shown in fig. 10;
FIG. 12: a cross-sectional view of the structure shown in FIG. 10 taken along C-C;
FIG. 13: in an embodiment of the present application, a front structure diagram of the connection of the first housing, the second housing, and the cable leading-out portion is shown;
FIG. 14: a partial enlarged view of the structure shown in fig. 13;
FIG. 15: a partial enlarged view of the structure shown in fig. 13;
FIG. 16: in an embodiment of the present application, a back structure diagram of the connection of the first housing, the second housing, and the cable leading-out portion is shown;
FIG. 17: a partial enlarged view of the structure shown in fig. 16;
in the figure: the rubber coating structure comprises a rubber coating structure 1, a first shell 2, a PCB 3, a cable leading-out part 4, a second shell 5, an indicator lamp shade 10, a first rubber coating structure 11, a second rubber coating structure 12, a third rubber coating structure 13, a light ray indication arrow 14, an emission end 20, a first group of buckle groups 21, a second group of buckle groups 22, a first step surface 23, a guide groove 24, a second rubber groove 25, a first melting rib 26, a positioning column 27, a detection surface 28, a receiving end 29, a positioning hole 31, a cable clamping part 41, a lead 42, a first group of clamping seat groups 51, a second group of clamping seat groups 52, a second step surface 53, a guide column 54, a first rubber groove 55, a mounting hole 56 and a second melting rib 57.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1 to 3, in one embodiment of the present application, a trench type photosensor guard structure includes: the cable encapsulating structure comprises a first shell 2, a second shell 5, a cable leading-out part 4 and an encapsulating structure 1, wherein the first shell 2 and the second shell 5 are detachably connected, the cable leading-out part 4 is connected with the first shell 2, or the cable leading-out part 4 is connected with the second shell 5, or the cable leading-out part 4 is connected with the connecting part of the first shell 2 and the second shell 5;
wherein, the encapsulation structure 1 includes: first rubber coating structure 11 and second rubber coating structure 12, first rubber coating structure 11 set up in first casing 2 with the junction of second casing 5, second rubber coating structure 12 set up in cable derivation portion 4 with the junction of first casing 2, or, second rubber coating structure 12 set up in cable derivation portion 4 with the junction of second casing 5, or, second rubber coating structure 12 set up in cable derivation portion 4 with first casing 2 the junction of second casing 5.
In this embodiment, the first housing 2 and the second housing 5 are connected, the cable leading-out portion 4 is connected to the connection between the first housing 2 and the second housing 5, and preferably, the connection between the first housing 2 and the second housing 5 is encapsulated to form the first encapsulating structure 11, and the connection between the cable leading-out portion 4 and the first housing 2 and the second housing 5 is encapsulated to form the second encapsulating structure 12, which is not limited to the scope of the present application.
In the embodiment, in the case protection mode formed by the first case 2, the second case 5 and the cable leading-out part 4, the first encapsulating structure 11 and the second encapsulating structure 12 are further used for encapsulating protection, so that the gap between the original cases is eliminated, the air tightness and the waterproof performance of the groove-shaped photoelectric sensor are enhanced, and the double protection of the groove-shaped photoelectric sensor is realized. Through waterproof test detection: placing a dry groove-shaped photoelectric sensor sample with the protection structure in a water tank, ensuring that the bottom of the sample is more than 20cm away from the water surface, testing for 30 minutes, taking out the sample, and testing whether water drops exist in the shell to obtain the groove-shaped photoelectric sensor with the protection level reaching IP67, wherein compared with the groove-shaped photoelectric sensor with the common protection level of IP64 in the prior art, the groove-shaped photoelectric sensor with the protection structure is used in severe environments such as rain, dust and the like; meanwhile, damage and the like caused by accidents can be effectively avoided, the effects of protection, resistance and the like can be achieved, safety is set for the use of the anti-theft door lock, and the application field of the anti-theft door lock is greatly increased.
The first shell 2 or the second shell 5 is made of transparent materials.
In this embodiment, the first housing 2 is a housing having an emitting end 20 and a receiving end 29, and certainly does not limit the protection scope of the present application, wherein the emitting end 20 and the receiving end 29 are portions corresponding to the infrared emitting tube and the infrared receiving tube of the wrapped slot type photoelectric sensor, and since the transparent material is selected to ensure the transmission performance of the infrared emitting tube and the infrared receiving tube, and further ensure the feasibility of detecting the function of the object, the transparent material may be selected to be a transparent thermoplastic material, and preferably, the transparent material is a PC (Polycarbonate) material, which is a thermoplastic material with excellent mechanical, optical, electrical and thermal properties.
In the present embodiment, the end of the second housing 5 is provided with a mounting hole 56, and the mounting hole 56 facilitates the fixing position of the groove-type photosensor, although the arrangement is not limited to the protection scope of the present application.
The encapsulating structure 1 further comprises a third encapsulating structure 13 covering the outer surface of the first shell 2 or the outer surface of the second shell 5.
In the present embodiment, the description will be given of the case where the outer surface of the first case 2 covers the third adhesive-coated structure 13, but the scope of protection of the present application is not limited. The third adhesive-coated structure 13 covers the first shell 2, so that the interference of external light can be avoided by selecting the light transmission of the materials of the third adhesive-coated structure and the first shell, and the reliability of the detection result is ensured. The material of the third encapsulating structure 13 can be a thermoplastic material with lower hardness or a softer rubber material, preferably, in this embodiment, the third encapsulating structure 13 is a PBT (polybutylene terephthalate) material, the PBT material has excellent insulation, good hardness, fatigue resistance, and good chemical adhesion, and is a casing material and an encapsulating covering material that are ideal in the fields of electronics and electrical, and in addition, the PBT material is a light-tight material, so that the external light interference can be eliminated, and the detection reliability can be improved.
The third encapsulating structure 13 is provided so as to avoid a detection surface 28 provided on the first case 2 or the second case 5.
In the present embodiment, the description is made with the detection surface 28 provided on the first housing 2, but the scope of protection of the present application is not limited. The detection surface 28 is a surface through which the transmitting end 20 transmits infrared light of the transmitting tube and a surface through which the receiving end 29 transmits infrared light of the receiving tube, and is used for detecting an object and determining a size according to the shape of the object to be detected. Due to the function of the detection surface 28, when the third adhesive-coated structure 13 is covered on the outer surface of the first housing 2 and is chemically bonded, the detection surface 28 is avoided to ensure the detection function of the groove-type photoelectric sensor. In addition, in the present embodiment, the light ray indication arrow 14 is disposed when the third adhesive-coated structure 13 covers the outer surfaces of the emitting end 20 and the receiving end 29, and this disposition is not intended to limit the scope of the present application.
As shown in fig. 4 to 12, the first housing 2 is provided with a first group 21 and a second group 22 of buckles, the second housing 5 is provided with a first group 51 and a second group 52 of seats, the first group 21 of buckles is connected with the first group 51 of seats in a matching manner, and the second group 22 of buckles is connected with the second group 52 of seats in a matching manner.
In this embodiment, the first group 21 and the second group 22 of the buckles are described as a group of two buckles, and the first group 51 and the second group 52 of the card holders are described as a group of two card holders, but the scope of protection of the present application is not limited thereto. The first group of buckle groups 21 are respectively arranged at the opposite sides of the detection surface 28, and the second group of buckle groups 22 are respectively arranged at the two sides of the connection part with the cable leading-out part 4; the first group of card-seat sets 51 is disposed on the second housing 5 and is connected to the first group of card-lock sets 21 in a matching manner, and the second group of card-seat sets 52 is disposed on the second housing 5 and is connected to the second group of card-lock sets 22 in a matching manner.
The embodiment is provided with the buckle and the clamping seat which are connected in a matching manner to realize the detachable connection of the first housing 2 and the second housing 5, and certainly not limited to other prior art means to realize the detachable connection, and the first housing 2 and the second housing 5 are connected together, so that the groove type photoelectric sensor is protected, and the stability of the relative position of the first housing 2 and the second housing 5 is facilitated, so as to facilitate the encapsulation. In this embodiment, four connecting points are arranged symmetrically and separately, so that the first housing 2 and the second housing 5 are connected more stably.
The first shell 2 is provided with a first step surface 23, the second shell 5 is provided with a second step surface 53, and the first step surface 23 is connected with the second step surface 53 in a matching mode, so that the first shell 2 and the second shell 5 can be conveniently and quickly determined to be in a closing position, and the industrial production efficiency is improved.
The first shell 2 is provided with a guide groove 24, the second shell 5 is provided with a guide post 54, and the guide groove 24 is connected with the guide post 54 in a matching manner, so that the relative positions of the first shell 2 and the second shell 5 are accurately positioned, and the industrial production efficiency is further improved.
The first casing 2 or the second casing 5 is provided with a positioning column 27 inside for matching and connecting with a positioning hole 31 arranged on the PCB 3.
In the present embodiment, the positioning posts 27 for matching and connecting with the positioning holes 31 provided on the PCB 3 are provided inside the first housing 2 as an example, but the scope of protection of the present application is not limited. The positioning columns 27 connected with the positioning holes 31 on the PCB 3 are arranged in the first housing 2, which helps to determine the relative position between the first housing 2 and the PCB 3 and helps to fix the PCB 3 in the housing without shaking. The positioning column 27 and the positioning hole 31 are connected by a hot melting and riveting point welding technology, so that the fixed position connection between the PCB 3 and the first housing 2 is further ensured. Preferably, the number of the positioning posts 27 is less than the number of the positioning holes 31, so as to provide fault tolerance when changing the positions of the positioning posts 27, or increasing the number of the positioning posts 27, or developing a similar structure to adapt to the existing PCB 3.
As shown in fig. 13 to 17, the connection between the first housing 2 and the second housing 5 is provided with a corresponding first melting rib 26 and a corresponding second melting rib 57, and the first melting rib 26 and the second melting rib 57 are melted in the formation process of the encapsulating structure 1 to enhance the encapsulating adhesive strength, that is, the chemical adhesive strength between the first housing 2, the second housing 5, the cable lead-out 4 and the encapsulating structure 1 is enhanced, so as to enhance the sealing performance of the encapsulating structure 1.
The first casing 2 or the second casing 5 is provided with a first glue groove 55.
In the present embodiment, the first glue groove 55 is provided in the second housing 5 as an example, but the scope of protection of the present application is not limited thereto. The first glue groove 55 is connected with the first group of clamping seat groups 51, so that the first shell 2 and the second shell 5 can be further reinforced by the glue coating structure 1, the original connecting gap of detachable connection is eliminated, and the air tightness and the waterproof performance of the sensor are enhanced.
The joint of the first shell 2 or the second shell 5 is provided with a second glue groove 25, and the second glue groove 25 further contributes to reinforcing the rubber-coated structure 1 and improving the sealing performance of the protective structure.
The width and the height of first gluey groove 55 and second gluey groove 25 all are between 1 ~ 1.35mm, and in this embodiment, the thickness of third encapsulating structure 13 is also between 1 ~ 1.35mm, and this size reasonable in design, and then standardizes the size of encapsulating structure 1, reduces the probability that encapsulating structure 1 lacked glue, excessive limit scheduling problem produced.
The melting point of the material of the encapsulating structure 1 is lower than the melting points of the materials of the first shell 2, the second shell 5 and the cable leading-out part 4, so as to avoid the situation that the first shell 2, the second shell 5 and the cable leading-out part 4 are melted or deformed in the process of forming the encapsulating structure 1, in this embodiment, the melting point of the PC material adopted by the first shell 2 is 225-275 ℃, and the melting point of the PBT material adopted by the encapsulating structure 1 is 300 ℃.
As shown in fig. 4 and 9, a cable clamping portion 41 is further disposed at a joint of the first housing 2 and the second housing 5, where the cable clamping portion 41 includes a tenon and a groove, the tenon is disposed on the first housing 2, the groove is disposed on the second housing 5 corresponding to the tenon, or the groove is disposed on the first housing 2, the tenon is disposed on the second housing 5 corresponding to the groove, the cable clamping portion 41 is configured to fix the wires 42 welded on the PCB 3, and the wires 42 and the like are balanced in stress, so as to avoid the wires 42 and the like from deflecting, and further enhance the encapsulation strength when the encapsulation structure 1 is formed.
In this embodiment, the first housing 2 and the second housing 5 are both obtained by injection molding in a one-step molding die, and the first housing 2, the second housing 5 and the cable leading-out part 4 are assembled together and then placed in a two-step molding die for encapsulation molding, so that the first housing 2, the second housing 5, the cable leading-out part 4 and the encapsulation structure 1 are integrated into a whole structure, and a gap generated by mechanical matching is effectively avoided.
According to the invention, in a shell protection mode formed by the first shell 2, the second shell 5 and the cable leading-out part 4, the first encapsulating structure 11 and the second encapsulating structure 12 are used for further encapsulating protection, so that gaps between the original shells are eliminated, the air tightness and the waterproof performance of the groove type photoelectric sensor are enhanced, the double protection of the groove type photoelectric sensor is realized, the protection level reaches IP67, and the groove type photoelectric sensor with the protection structure can be used in severe environments such as rain, dust and the like; meanwhile, damage and the like caused by accidents can be effectively avoided, the effects of protection, resistance and the like can be achieved, safety is set for the use of the anti-theft door lock, and the application field of the anti-theft door lock is greatly increased.
In the description of the present application, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The above embodiments are merely to illustrate the technical solutions of the present application and are not limitative, and the present application is described in detail with reference to preferred embodiments. It will be understood by those skilled in the art that various modifications and equivalent arrangements may be made in the present invention without departing from the spirit and scope of the present invention and shall be covered by the appended claims.
Claims (15)
1. A protection structure of a groove type photoelectric sensor is characterized in that,
the method comprises the following steps: a first shell, a second shell, a cable leading-out part and a rubber coating structure,
the first housing and the second housing are detachably connected,
the cable leading-out part is connected with the first shell, or the cable leading-out part is connected with the second shell, or the cable leading-out part is connected with the joint of the first shell and the second shell;
wherein, the rubber coating structure includes: first rubber coating structure and second rubber coating structure, first rubber coating structure set up in first casing with the junction of second casing, second rubber coating structure set up in cable derivation portion with the junction of first casing, perhaps, second rubber coating structure set up in cable derivation portion with the junction of second casing, perhaps, second rubber coating structure set up in cable derivation portion with the first casing, the junction of second casing.
2. The grooved photosensor guard structure of claim 1 wherein the first housing or the second housing is made of a transparent material.
3. The channel-type photosensor guard structure of claim 1 wherein said over-mold structure further comprises a third over-mold structure overlying said first housing outer surface or said second housing outer surface.
4. The groove-shaped photoelectric sensor protection structure as claimed in claim 3, wherein the third adhesive coating structure is disposed to avoid a detection surface provided on the first housing or the second housing.
5. The groove-shaped photoelectric sensor protection structure as claimed in any one of claims 1 to 4, wherein the first shell is provided with a buckle, the second shell is provided with a clamping seat, and the buckle is in matching connection with the clamping seat.
6. A trough-type photosensor guard structure as claimed in any one of claims 1 to 4 wherein said first housing is provided with a first step surface and said second housing is provided with a second step surface, said first step surface being in mating connection with said second step surface.
7. The groove-shaped photoelectric sensor protection structure as claimed in any one of claims 1 to 4, wherein the first shell is provided with a guide groove, the second shell is provided with a guide post, and the guide groove is matched and connected with the guide post.
8. The groove-shaped photoelectric sensor protection structure as claimed in any one of claims 1 to 4, wherein a positioning post for matching and connecting with a positioning hole provided on a PCB is provided inside the first housing or the second housing.
9. A groove-shaped photoelectric sensor protection structure as claimed in any one of claims 1 to 4, wherein fusion ribs are respectively arranged at the joints of the first shell and the second shell.
10. A slot-type photosensor guard structure as claimed in any one of claims 1 to 4 wherein said first case or said second case is provided with a first glue slot.
11. The groove-shaped photoelectric sensor protection structure as claimed in claim 10, wherein a second glue groove is formed at the joint of the first housing or the second housing.
12. The groove-type photoelectric sensor protection structure as claimed in claim 11, wherein the width and height of the first glue groove and the second glue groove are both 1-1.35 mm.
13. The trough-type photosensor guard structure of any one of claims 1 to 4 wherein the melting point of the material of the over-mold structure is lower than the melting points of the materials of the first housing, the second housing and the cable exit.
14. The groove-shaped photoelectric sensor protection structure as claimed in any one of claims 1 to 4, wherein a cable clamping portion is further disposed at a joint of the first housing and the second housing, wherein the cable clamping portion comprises a tenon and a groove, the tenon is disposed on the first housing, the groove is disposed on the second housing corresponding to the tenon, or the groove is disposed on the first housing, and the tenon is disposed on the second housing corresponding to the groove.
15. A slot-type photoelectric sensor protection structure as claimed in any one of claims 1 to 4, wherein an indicator light cover is further disposed on the first housing or the second housing, an outer surface of the indicator light cover is a plane, and an inner surface thereof is a non-plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110620723.1A CN113375705A (en) | 2021-06-03 | 2021-06-03 | Protection structure of groove type photoelectric sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110620723.1A CN113375705A (en) | 2021-06-03 | 2021-06-03 | Protection structure of groove type photoelectric sensor |
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| CN113375705A true CN113375705A (en) | 2021-09-10 |
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| CN202110620723.1A Pending CN113375705A (en) | 2021-06-03 | 2021-06-03 | Protection structure of groove type photoelectric sensor |
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