CN203274765U - Photoelectric sensor - Google Patents
Photoelectric sensor Download PDFInfo
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- CN203274765U CN203274765U CN 201320213111 CN201320213111U CN203274765U CN 203274765 U CN203274765 U CN 203274765U CN 201320213111 CN201320213111 CN 201320213111 CN 201320213111 U CN201320213111 U CN 201320213111U CN 203274765 U CN203274765 U CN 203274765U
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Abstract
The utility model provides a photoelectric sensor which is high in reliability and easy to use. The photoelectric sensor comprises a sensor circuit module, a cable, a support, and a main body shell. The sensor circuit module comprises a light emitting element and a light receiving element. The cable includes a plurality of wires. The support supports the sensor circuit module and the cable. The main body shell includes a light emitting cover part, a light receiving cover part, and a detection groove. The light emitting cover part accommodates the light emitting element. The light receiving cover part accommodates the light receiving element. The detection groove is located between the light emitting cover part and the light receiving cover part. The main body shell has detection depth marks. The detection depth marks in the detection groove represent the detection depth of a detection object which is inserted into the detection groove. A user can easily master the detection depth through the marks. In addition, the detection depth means a depth deeper than which when the detection object is inserted into a depth, detection can also be stably performed.
Description
Technical field
The utility model relates to a kind of photoelectric sensor.
Background technology
In existing photoelectric sensor, the sensor that comprises light-emitting component, photo detector and shell is arranged.Shell has diffuser section, be subjected to light shield section, detect groove.Detect by detected object being inserted the detection groove.But in these photoelectric sensors, do not have expression to answer the mark of insertion depth, can't reliablely and stablely detect.
The utility model content
The purpose of this utility model is to provide a kind of reliability high and can fall wieldy photoelectric sensor.
The photoelectric sensor of an aspect of the utility model comprises: the sensor circuit assembly comprises mutually light-emitting component and the photo detector of configuration in opposite directions; Cable comprises many electric wires; Support supports described sensor circuit assembly and described cable; And main body cover, hold described sensor circuit assembly and described support, wherein, described main body cover, have the diffuser section that holds described light-emitting component, hold described photo detector be subjected to light shield section, at described diffuser section and the described detection groove that is subjected between light shield section, described main body cover has the detection sounding mark, when described detection sounding mark represents detected object is detected, detected object need to be inserted the detection degree of depth in described detection groove.
And, preferred described photoelectric sensor also comprises: be configured in the auxiliary shell between described main body cover and described sensor circuit assembly, described diffuser section has at least from extending to described light-emitting component position in opposite directions the luminous slit that arrives described detection trench bottom position, describedly had at least from extending to described photo detector position in opposite directions by light shield section to arrive the optical slits that is subjected to that detects the trench bottom position, described auxiliary shell has the light-emission window section that is inserted in described luminous slit and is inserted into described being subjected to and is subjected to optical window section in optical slits.
Further, preferred described main body cover also comprises: represent the position of components mark of described photo detector and described luminous element position, described position of components mark is configured in respectively the position of the center of the center that is equivalent to described light emission lens section and described sensitive lens section.
Further, preferred described detection sounding mark and/or described position of components mark are the marks that is marked on described main body cover.
Further, preferred described position of components mark is marked on respectively front and the described front that is subjected to light shield section of described diffuser section, and described detection sounding mark is marked on respectively front and the described front that is subjected to light shield section of described diffuser section.
Further, preferred described position of components is labeled as the triangle mark, and described detection sounding mark is bar-shaped mark.
Further, preferred described being subjected to is respectively arranged with decorative pattern in light shield section and described diffuser section, and the coboundary of described decorative pattern or lower boundary are equivalent to described detection sounding mark.
Further, preferred described decorative pattern be towards above-below direction extend and to left and right direction side by side the straight line of configuration, extend and towards the above-below direction part of straight line, netted decorative pattern or the different colours of configuration side by side to left and right direction.
The effect of utility model
The utility model provides a kind of reliability high and can fall wieldy photoelectric sensor.
Description of drawings
Fig. 1 is the stereographic map of photoelectric sensor.
Fig. 2 is each parts exploded perspective view of photoelectric sensor.
Fig. 3 is the stereographic map of sensor main body.
Fig. 4 is the front view of sensor main body.
Fig. 5 is the side view of sensor main body.
Fig. 6 is the enlarged drawing of splicing ear.
Fig. 7 is the stereographic map of support.
Fig. 8 is the stereographic map of expression support, sensor main body and cable.
Fig. 9 is the vertical view of support.
Figure 10 is the front view of support.
Figure 11 is the enlarged drawing of the first electric wire maintaining part.
Figure 12 is the side view of support.
Figure 13 is the XIII-XIII sectional view in Figure 12.
Figure 14 is the enlarged drawing of splicing ear and the first terminal accommodation section.
Figure 15 is the XV-XV sectional view in Fig. 9.
Figure 16 is the upward view of support.
Figure 17 is the stereographic map of main body cover.
Figure 18 is the stereographic map of auxiliary shell.
(A)～(C) of Figure 19 is the schematic diagram of fabrication technology of sensor main body.
Figure 20 is the packaging technology schematic diagram of photoelectric sensor.
Figure 21 is the packaging technology schematic diagram of photoelectric sensor.
Figure 22 is the packaging technology schematic diagram of photoelectric sensor.
Figure 23 is the schematic diagram of the related splicing ear of other embodiments.
(A) of Figure 24, (B) are the schematic diagram of the related light emission lens section of other embodiments and sensitive lens section.
(A) of Figure 25 is for relating to the detection sounding mark schematic diagram of other embodiment.
(B) of Figure 25 is for relating to the detection sounding mark schematic diagram of other embodiment.
(C) of Figure 25 is for relating to the detection sounding mark schematic diagram of other embodiment.
(D) of Figure 25 is for relating to the detection sounding mark schematic diagram of other embodiment.
(E) of Figure 25 is for relating to the detection sounding mark schematic diagram of other embodiment.
(F) of Figure 25 is for relating to the detection sounding mark schematic diagram of other embodiment.
(G) of Figure 25 is for relating to the detection sounding mark schematic diagram of other embodiment.
(H) of Figure 25 is for relating to the detection sounding mark schematic diagram of other embodiment.
Embodiment
Below in conjunction with accompanying drawing, describe relating to the sensor circuit assembly 2 for photoelectric sensor 1 of the present utility model.Fig. 1 is the stereographic map of photoelectric sensor 1.Fig. 2 is each parts exploded perspective view of photoelectric sensor.As shown in Figure 2, photoelectric sensor 1, it comprises sensor circuit assembly 2, support 3, auxiliary shell 4, main body cover 5, cable 6.
Fig. 3 is the stereographic map of sensor circuit assembly 2.Fig. 4 is the front view of sensor circuit assembly 2.Fig. 5 is the side view of sensor circuit assembly 2.To shown in Figure 5, sensor circuit assembly 2 comprises illuminating part 21, light accepting part 22, connecting portion 20 as Fig. 3.Illuminating part 21, light accepting part 22 are integral with connecting portion 20.
In addition, in the present embodiment, crimping direction described later is referred to as " below ".To be referred to as with the direction of crimping opposite direction " top ".To be referred to as " left and right directions " with light accepting part 22 direction side by side with direction and the illuminating part 21 of crimping direction quadrature.Will with illuminating part 21 and light accepting part 22 side by side direction and the direction of crimping direction quadrature be referred to as " fore-and-aft direction ".
As shown in Figure 4, illuminating part 21 comprises light-emitting component 211, light emission lens section 212, luminous support portion 210.Light-emitting component 211 is for example light emitting diode.But, also the element different from light emitting diode can be used as light-emitting component 211.Light-emitting component 211 is installed on lead frame 24 described later.Light emission lens section 212 covering luminous elements 211.Light emission lens section 212 sees rounded from light emission direction.Light emission lens section 212 is formed by the material with light transmission.Light emission lens section 212 for example is formed from a resin.Light-emitting component 211 is supported in luminous support portion 210.Extend upward from connecting portion 20 luminous support portion 210.Luminous support portion 210 comprises luminous leading part 242.
The end that connecting portion 20 connects luminous support portion 210 and an end that is subjected to light support portion 220.Connecting portion 20 comprises circuit part 23, closure 25, main body wire portion 241, a plurality of splicing ear 26～29.
Luminous leading part 242 is connected with light-emitting component 211 and main body leading part 241.Light-emitting component 211 is arranged on luminous leading part 242.Luminous leading part 242 is outstanding to the right from main body leading part 241.Luminous leading part 242 has crooked upward shape.As shown in Figure 3, luminous leading part 242 has the first luminous leading part 244 and the second luminous leading part 245.The first luminous leading part 244 and the second luminous leading part 245, configuration on fore-and-aft direction with being separated from each other.The first luminous leading part 244 has mutually different shapes from the second luminous leading part 245.
Be subjected to light leading part 243 to be connected with photo detector 221 and main body leading part 241.Photo detector 221 is arranged on and is subjected on light leading part 243.Relatively perpendicular to the plane of left and right directions, be subjected to light leading part 243 to have the shape symmetrical with luminous leading part 242.Be subjected to light leading part 243 outstanding to the left from main body leading part 241.Be subjected to light leading part 243 to have crooked upward shape.Being subjected to light leading part 243 to have first is subjected to light leading part 246 and second to be subjected to light leading part 247.First is subjected to light leading part 246 and second to be subjected to light leading part 247 configuration on fore-and-aft direction with being separated from each other.First is subjected to light leading part 246 and second to be subjected to light leading part 247 to have different shape mutually.Perpendicular to the plane of left and right directions, the first luminous leading part 244 and first is subjected to light leading part 246 to have symmetrical shape relatively.The second luminous leading part 245 and second is subjected to light leading part 247 relative plane perpendicular to left and right directions to have symmetrical shape.
Closure 25 is closed circuit section 23 on lead frame 24.Part and the circuit part 23 of closure 25 sealing lead frames 24.Particularly, closure 25 closed circuit section 23 on main body leading part 241.And closure 25 is sealed action indicator 231 on main body leading part 241.Closure 25 is formed by the material with light transmission.Closure 25 for example is formed from a resin.Closure 25 has outstanding upward protuberance 251.Protuberance 251 configuration relative to action indicator 231.Closure 25 is formed by the material identical with light emission lens section 212 and sensitive lens section 222.
A plurality of splicing ears 26～29 are outstanding from closure 25, and configure side by side along left and right directions.Closure 25 has the first sidepiece 252 and the second sidepiece 253.The first sidepiece 252 is the front surface of closure 25.The second sidepiece 253 is positioned at the opposition side of the first sidepiece 252.Namely, the second sidepiece 253 is the rear surface of closure 25.In the first sidepiece 252 and the second sidepiece 253, a plurality of splicing ears 26～29 only are arranged on the first sidepiece 252.Namely, on the second sidepiece 253, splicing ear is not set.The front end of a plurality of splicing ears 26～29 configures towards the below.As described later, a plurality of splicing ears 26～29 are crimped on respectively on many electric wires 61～64.
A plurality of splicing ears 26～29 have the first splicing ear 26, the second splicing ear 27, the 3rd splicing ear 28, the 4th splicing ear 29.The first splicing ear 26 and the 4th splicing ear 29 be configuration on left and right directions with being separated from each other.The second splicing ear 27 and the 3rd splicing ear 28 are configured between the first splicing ear 26 and the 4th splicing ear 29.The first splicing ear 26 and the 4th splicing ear 29 are for the power supply terminal of power supply is provided to circuit part 23.The second splicing ear 27 and the 3rd splicing ear 28 are for the lead-out terminal of output from the output signal of circuit part 23.
The first splicing ear 26 has the first pressure contact portion 261 and the first joint portion 262.The first joint portion 262 is in conjunction with the first pressure contact portion 261 and closure 25.The first joint portion 262 is integral with lead frame 24 and is connected.The width of the first joint portion 262 is less than the width of the first pressure contact portion 261.In the first joint portion 262, the first splicing ear 26 has crooked shape downwards.
As shown in Figures 3 and 4, the first splicing ear 26 has the first press section 260.The first press section 260 is to press towards the crimping direction part of the first pressure contact portion 261.Namely, the first press section 260 is the parts that can press the first pressure contact portion 261 downwards.The first press section 260 is parts of end face (by the formed face of thickness part of plate-shaped member) of thickness direction of the thickness of slab of the first splicing ear 26.The first press section 260 has been configured in from the crimping direction projection outside the zone of closure 25.Namely, look up from crimping side, the first press section 260 is not overlapping with closure 25.The first press section 260 has first step section 263 and second step section 264.First step section 263 and second step section 264 and the first joint portion 262 disposed adjacent.Between first step section 263 and second step section 264, the first joint portion 262 is connected with the first pressure contact portion 261.First step section 263 and second step section 264 have the even shape that extends along left and right directions.
Fig. 6 is the enlarged drawing of the first pressure contact portion 261.The first pressure contact portion 261 has the shape of taper downwards.Particularly, the first pressure contact portion 261 has the first side end 265 and the second side end 266.The first side end 265 is right-hand end of pressure contact portion 261.The second side end 266 is positioned at the opposition side of the first side end 265.Namely, the second side end 266 is left end of the first pressure contact portion 261.Distance more past below between the first side end 265 and the second side end 266 becomes less.
The front end of the first splicing ear 26 has otch 267.Namely, the first pressure contact portion 261 has otch 267.Otch 267 extends upward from the front end of the first splicing ear 26.Otch 267 has line part 268 and expansion section 269.Expansion section 269 is positioned at the below of line part 268.Expansion section 269 is arranged on the porch of otch 267.In expansion section 269, the width of otch 267 broadens towards the below.Line part 268 is 269 extensions upward from the expansion section, have rectilinear form.
The structure of the second splicing ear 27, the 3rd splicing ear 28 and the 4th splicing ear 29 is identical with the first splicing ear 26.Particularly, the second splicing ear 27 has the second pressure contact portion 271 and the second joint portion 272.The 3rd splicing ear 28 has the 3rd pressure contact portion 281 and the 3rd joint portion 282.The 4th splicing ear 29 has the 4th pressure contact portion 291 and the 4th joint portion 292.Because the structure of the second pressure contact portion 271, the 3rd pressure contact portion 281 and the 4th pressure contact portion 291 is identical with the first pressure contact portion 261, therefore, the description thereof will be omitted.Because the structure of the second joint portion 272, the 3rd joint portion 282 and the 4th joint portion 292 is identical with the first joint portion 262, therefore, the description thereof will be omitted.And as shown in Figure 3, the second splicing ear has the second press section 270.The 3rd splicing ear 28 has the 3rd press section 280.The 4th splicing ear 29 has the 4th press section 290.Because the structure of the second press section 270, the 3rd press section 280, the 4th press section 290 is identical with the first press section 260, therefore, the description thereof will be omitted.
Fig. 7 is the stereographic map of support 3.Fig. 8 is the stereographic map of expression support 3, sensor circuit assembly 2 and cable 6.As shown in Figure 8, cable 6 has many electric wires 61～64.Particularly, cable 6 comprises the first electric wire 61, the second electric wire 62, the 3rd electric wire 63, the 4th electric wire 64.Support 3 supports sensor circuit assembly 2 and many electric wires 61～64.
In addition, as shown in Figure 2, cable 6 has crust 60.Crust 60 covers many electric wires 61～64.In the end of cable 6, crust 60 is removed, and exposes many electric wires 61～64.A plurality of cable holding section 311～314 keeps the many electric wires 61～64 that expose from this crust 60.
As shown in Figure 7, the first wall section 31 has the first cable holding section 311, the second cable holding section 312, the 3rd cable holding section 313 and the 4th cable holding section 314.The first～the 4th cable holding section 311～314 configures side by side along left and right directions, and mutually is spaced.The first cable holding section 311 holds the first electric wire 61.The second cable holding section 312 holds the second electric wire 62.The 3rd cable holding section 313 holds the 3rd electric wire 63.The 4th cable holding section 314 holds the 4th electric wire 64.
Fig. 9 is the vertical view of support 3.As shown in Figure 9, the first cable holding section 311 extends along fore-and-aft direction.The first cable holding section 311 arrives the front end face 315 of the first wall section 31.Figure 10 is the front view of support 3.As Fig. 7 and shown in Figure 10, the first cable holding section 311 is open upwards.
As Fig. 7 and shown in Figure 9, the first wall section 31 has a plurality of terminals accommodation section 316～319.A plurality of terminals accommodation section 316～319 holds respectively a plurality of splicing ears 26～29.Particularly, the first wall section 31 has the first terminal accommodation section 316, the second terminal accommodation section 317, the 3rd terminal accommodation section 318 and the 4th terminal accommodation section 319.The first～the 4th terminal accommodation section 316-319 configures side by side along left and right directions, and mutually is spaced.The first terminal accommodation section 316 is configured to and the first cable holding section 311 quadratures.The first terminal accommodation section 316 holds the first splicing ear 26.The second terminal accommodation section 317 is configured to and the second cable holding section 312 quadratures.The second terminal accommodation section 317 holds the second splicing ear 27.The 3rd terminal accommodation section 318 is configured to and the 3rd cable holding section 313 quadratures.The 3rd terminal accommodation section 318 holds the 3rd splicing ear 28.The 4th terminal accommodation section 319 is configured to and the 4th cable holding section 314 quadratures.The 4th terminal accommodation section 319 holds the 4th splicing ear 29.
The first cable holding section 311 has the first electric wire maintaining part 311a and the first cord lead portion 311b.The first electric wire maintaining part 311a is positioned at than the first terminal accommodation section 316 more on the front.The first cord lead portion 311b is positioned at than the first terminal accommodation section 316 more by the rear.
Figure 11 is the enlarged drawing of the first electric wire maintaining part 311a.In addition, in Figure 11, show the cross section of electric wire 61 together with the first electric wire maintaining part 311a.As shown in figure 11, the diameter d 2 of the diameter d 1 of the first electric wire maintaining part 311a and electric wire 61 is identical or less than the diameter d 2 of electric wire 61.According to this formation, electric wire 61 is retained in the first electric wire maintaining part 311a and can't moves.
And as shown in figure 11, the first cable holding section 311 has the first insert port 311c.The first insert port 311c is the insert port of the electric wire 61 in the first electric wire maintaining part 311a.The width w1 of the first insert port 311c is less than the diameter d 2 of electric wire 61.And the width w1 of the first insert port 311c is less than the diameter d 1 of the first electric wire maintaining part 311a.
The first cable holding section 311 has the insert port of expansion 311d.Enlarge the top that insert port 311d is positioned at the first insert port 311c.The width that enlarges insert port 311d broadens towards the top.The width w2 of the upper end of expansion insert port 311d is larger than the diameter d 2 of electric wire 61.According to this formation, can easily insert electric wire 61 to the first insert port 311c.Because the structure of the second～the 4th cable holding section 312～314 is identical with the structure of the first cable holding section 311, therefore, description is omitted.
Figure 12 is the side view of support 3.Figure 13 is the XIII-XIII sectional view in Figure 12.As Fig. 7 and shown in Figure 13, the first terminal accommodation section 316 is unlimited towards the top.As shown in figure 13, the first terminal accommodation section 316 has a pair of the first wall 316a of section, 316b.A pair of the first wall 316a of section, 316b configure side by side along left and right directions.The first splicing ear 26 is configured between a pair of the first wall 316a of section, 316b.The second terminal accommodation section 317 has a pair of the second wall 317a of section, 317b.A pair of the second wall 317a of section, 317b configure side by side along left and right directions.The second splicing ear 27 is configured between a pair of the second wall 317a of section, 317b.The 3rd terminal accommodation section 318 has a pair of the 3rd wall 318a of section, 318b.A pair of the 3rd wall 318a of section, 318b configure side by side along left and right directions.The 3rd splicing ear 28 is configured between a pair of the 3rd wall 318a of section, 318b.The 4th terminal accommodation section 319 has a pair of wall facial 319a, 319b.A pair of wall facial 319a, 319b configure side by side along left and right directions.The 4th splicing ear 29 is configured between a pair of wall facial 319a, 319b.
As shown in figure 13, the first wall section 31 has a plurality of projection 316c, 317c, 318c, 319c.Projection 316c, 317c, 318c, 319c are separately positioned on the bottom of a plurality of terminals accommodation section 316～319.The bottom of each terminal accommodation section 316～319 is at splicing ear 26～29 accommodated the terminal accommodation section 316～319 o'clock, the face relative with the front end of splicing ear 26～29.Particularly, the first wall section 31 has the first projection 316c, the second projection 317c, the 3rd projection 318c, the 4th projection 319c.The first projection 316c from the first terminal accommodation section 316 bottom to the otch 267(of the first splicing ear 26 with reference to Fig. 4) outstanding.The second projection 317c from the bottom of the second terminal accommodation section 317 to the otch 277(of the second splicing ear 27 with reference to Fig. 4) outstanding.The 3rd projection 318c from the bottom of the 3rd terminal accommodation section 318 to the otch 287(of the 3rd splicing ear 28 with reference to Fig. 4) outstanding.The 4th projection 319c from the bottom of the 4th terminal accommodation section 319 to the otch 297(of the 4th splicing ear 29 with reference to Fig. 4) outstanding.
Figure 14 is the first splicing ear 26 and the enlarged drawing of the first terminal accommodation section 316.Figure 14 shows the first～the 4th splicing ear 26～29 and is configured in respectively the first splicing ear 26 and the first terminal accommodation section 316 under locational state with electric wire 61～64 crimping.As shown in Figure 6, the first splicing ear 26 by thrusting electric wire 61 downwards with electric wire 61 crimping.The first splicing ear 26 thrusts electric wire 61 with the endothelium 611 that runs through electric wire 61 with the contacted mode of heart yearn 612.According to this formation, as shown in figure 14, because heart yearn 612 is interior by the first splicing ear 26 clampings at otch 267, thereby the first splicing ear 26 is connected with electric wire 61.
As shown in Figure 6, the width w3 of the otch 267 of the first splicing ear 26 is larger than the diameter d 3 of heart yearn 612.And the width w3 of the otch 267 of the first splicing ear 26 is less than the width w7 of the bundle of a plurality of heart yearns 612 that there is no crimping.Therefore, when crimping, as shown in figure 14, the bundle of heart yearn 612 is inserted in the otch 267 of the first splicing ear 26 by distortion.In addition, in Fig. 6 and Figure 14, only the part of a plurality of heart yearns 612 marked symbol 612.
Under the first～the 4th splicing ear 26～29 was configured in locational state with electric wire 61～64 crimping, the first projection 316c did not contact with the first splicing ear 26, is provided with the gap between the first projection 316c and the first splicing ear 26.According to this formation, when the first splicing ear 26 was crimped on electric wire 61, the endothelium 611 of electric wire 61 can arrive by the gap outside of (escaping the れ Ru) otch 267.Less than the diameter d 3 of the heart yearn 612 of electric wire 61 apart from w4 between the first projection 316c and the first splicing ear 26.And under the first～the 4th splicing ear 26～29 was configured in locational state with electric wire 61～64 crimping, the first step section 263 of the first splicing ear 26 and second step section 264 were outstanding upward from the first terminal accommodation section 316.
As Fig. 7 and shown in Figure 9, support 3 has the second wall section 32 and the 3rd wall section 33.The second wall section 32 and the 3rd wall section 33 configure along left and right directions with being separated from each other.The second wall section 32 is connected with the right part of the first wall section 31.The 3rd wall section 33 is connected with the left part of the first wall section 31.The upper surface of the upper surface of the upper surface of the first wall section 31, the second wall section 32 and the 3rd wall section 33 is positioned at equal height.The upper surface of the upper surface of the upper surface of the first wall section 31, the second wall section 32 and the 3rd wall section 33 contacts with the bottom surface of sensor circuit assembly 2, and supports sensor circuit assembly 2.
As shown in Figures 7 and 8, support 3 has the first engaging portion 37 and the second engaging portion 38 with 2 engagings of sensing body circuit unit.The first engaging portion 37 and the second engaging portion 38 configure along left and right directions with being separated from each other.The first engaging portion 37 and the second engaging portion 38 extend to the position of top more than above-mentioned the first wall section 31, the second wall section 32 and the 3rd wall section 33.The leading section of the leading section of the first engaging portion 37 and the second engaging portion 38 has towards the outstanding shape of direction close to each other.Particularly, the leading section of the first engaging portion 37 has outstanding to the left shape.The leading section of the second engaging portion 38 has outstanding to the right shape.Because sensor circuit assembly 2 is configured between the first engaging portion 37 and the second engaging portion 38, thus leading section engaging on the upper surface of closure 25 of the leading section of the first engaging portion 37 and the second engaging portion 38.According to this formation, sensor circuit assembly 2 is fixed on support 3.
As shown in figure 10, the leading section of the first engaging portion 37 has the first dip plane 371.The leading section of the second engaging portion 38 has the second dip plane 381.The mode that the first dip plane 371 and the second dip plane 381 broaden with its distance each other towards the top and tilting.Therefore, by sensor circuit assembly 2 being pressed into the first engaging portion 37 and the second engaging portion 38 downwards, interval between the first engaging portion 37 and the second engaging portion 38 broadens, and can easily sensor circuit assembly 2 be configured between the first engaging portion 37 and the second engaging portion 38.And under above-mentioned the first～the 4th splicing ear 26～29 was configured in locational state with electric wire 61～64 crimping, the first engaging portion 37 and the second engaging portion 38 arrived the position with 2 engagings of sensor circuit assembly.And, under the first～the 4th splicing ear 26～29 is configured in locational state with electric wire 61～64 crimping, as shown in Figure 8, the bottom surface of sensor circuit assembly 2 is supported by the upper surface of the upper surface of the upper surface of the first wall section 31, the second wall section 32 and the 3rd wall section 33.
As Fig. 7 and shown in Figure 9, support 3 has recess 34.Recess 34 on left and right directions between the second wall section 32 and the 3rd wall section 33.Recess 34 is positioned at the rear of the first wall section 31.
As Fig. 9 and shown in Figure 13, support 3 has hole 35.Support 3 is run through in hole 35 along the vertical direction.Hole 35 is arranged in recess 34.As shown in figure 13, hole 35 has the first hole section 351, the second hole section 352 and the 3rd hole section 353.35 axis direction configures side by side along the hole for the first hole section 351, the second hole section 352 and the 3rd hole section 353.Namely, the first hole section 351, the second hole section 352 and the 3rd hole section 353 configuration side by side along the vertical direction.
The first hole section 351 has the shape of the linearity that extends along the vertical direction.The internal diameter of the first hole section 351 is larger than the external diameter of cable 6.The second hole section 352 comprises the upper end in hole 35.Namely, the second hole section 352 is connected with the bottom of recess 34.The internal diameter of the second hole section 352 is larger than the internal diameter of the first hole section 351.Particularly, the internal diameter of the second hole section 352 becomes large towards the top.The 3rd hole section 353 is between the first hole section 351 and the second hole section 352.It is large that the internal diameter of the 3rd hole section 353 becomes towards the top.The internal diameter of the 3rd hole section 353 is larger than the internal diameter of the first hole section 351, and less than the internal diameter of the second hole section 352.
Figure 15 is the XV-XV sectional view in Fig. 9.Figure 16 is the upward view of support 3.In addition, schematically show the state of cable 6 patchholes 35 in Figure 15.As Figure 15 and shown in Figure 16, support 3 has location division 36.Location division 36 is configured to above hole 35 overlapping with the part in hole 35.Location division 36 is the bottom surface of the first wall section 31.
As Fig. 9 and shown in Figure 13, the inner face in hole 35 has a plurality of projections 354～357.A plurality of projections 354～357 from the hole 35 interior towards the hole 35 central axis outstanding.A plurality of projections 354～357 configure with same intervals on the interior Zhou Fangxiang in hole 35.The diameter of a circle of the front end by a plurality of projections 354～357 is less than the external diameter of cable 6.And 35 central axis has the shape of taper to projection 354～357 towards the hole.Therefore, as shown in figure 15, in case cable 6 be inserted in hole 35, the front end of projection 354～357 outside surface of cable 6 of nipping.According to this formation, can prevent that cable 6 from coming off.Particularly, the inner face in hole 35 has the first projection 354, the second projection 355, the 3rd projection 356, the 4th projection 357.As shown in figure 15, the first projection 354 has dip plane 354a and engaging face 354b.Dip plane 354a is with respect to the axis direction in hole 35 and tilt.Dip plane 354a tilts to be 35 the central axis the closer to the hole more upwards.Engaging face 354b from the hole 35 interior towards the hole 35 central axis outstanding, and engaging is on the outside surface of cable 6.Because the structure of the second～the 4th projection 355～357 is identical with the first projection 354, therefore, the description thereof will be omitted.Due to the shape of a plurality of projections 354～357 as above, cable 6 can easily make progress in patchhole 35, but cable 6 movements downwards in hole 35 are restricted.
As mentioned above, the internal diameter in hole 35 is larger than the external diameter of cable 6.And, because cable 6 is supported by a plurality of projections 354～357, be provided with the gap between cable 6 and hole 35.Cementing agent flows in this gap, cable 6 by cementing agent and with the inner face bonding in hole 35.
Figure 17 is the stereographic map of main body cover 5.Main body cover 5 has the inner space that holds sensor circuit assembly 2 and support 3.Be provided with opening 51 on the bottom surface of main body cover 5.Therefore, the inner space of main body cover 5 is opened wide downwards.Sensor circuit assembly 2 and support 3 are disposed at the inner space of main body cover 5 by opening 51.
As shown in figure 17, main body cover 5 has main body cover 5 is installed on the first required mounting hole 521 of various machines and the second mounting hole 522.The first mounting hole 521 and the second mounting hole 522 run through main body cover 5 on fore-and-aft direction.The front surface 52 of main body cover 5 has the first fixed orifice 523 and the second fixed orifice 524.As shown in Figure 7, the front surface of support 3 has the first fixed projection 391 and the second fixed projection 392.The first fixed projection 391 engagings are in the first fixed orifice 523.The second fixed projection 392 engagings are in the second fixed orifice 524.According to this formation, main body cover 5 is fixed on support 3.In addition, as shown in Figure 9, the rear surface of support 3 has the 3rd fixed projection 393 and the 4th fixed projection 394.And although omitted diagram, the rear surface of main body cover 5 has the 3rd fixed orifice and the 4th fixed orifice.The 3rd fixed projection 393 engagings of support 3 are in the 3rd fixed orifice.The 4th fixed projection 394 engagings of support 3 are in the 4th fixed orifice.
As Fig. 7 and shown in Figure 9, support 3 has the first end face 321 and the second end face 322.The first end face 321 and the second end face 322 are parts of the front surface of support 3.Above-mentioned the first fixed projection 391 is forwards outstanding from the first end face 321.The second fixed projection 392 is forwards outstanding from the second end face 322.The front end face 315 of the first wall section 31 on left and right directions between first end face 321 and the second end face 322.The front end face 315 of the first wall section 31 has the shape that more rearward caves in than the first end face 321 and the second end face 322.
As shown in figure 17, main body cover 5 has diffuser section 53, is subjected to light shield section 54, detects groove 55.Diffuser section 53 holds light-emitting component 211.Be subjected to light shield section 54 to hold photo detector 221.Diffuser section 53 configures along left and right directions with being subjected to light shield section 54 with being separated from each other.Detect groove 55 in diffuser section 53 and be subjected between light shield section 54.
Position of components mark 532,542 and detect sounding mark 533, the 543rd is marked on the mark on main body cover 5.Position of components mark 532,542 is marked on respectively the front surface of diffuser section 53 and is subjected on the front surface of light shield section 54.Detecting sounding mark 533,543 is marked on respectively the front surface of diffuser section 53 and is subjected on the front surface of light shield section 54.In the present embodiment, position of components mark 532, the 542nd, triangle mark.Detect sounding mark 533, the 543rd, bar-shaped mark.Position of components mark 532,542 and detect sounding mark 533, the 543rd is by lip-deep concavo-convexly consisting of of being formed at main body cover 5.Particularly, position of components mark 532,542 has from the shape of the surface depression of main body cover 5.Detecting sounding mark 533,543 has from the shape of the surface depression of main body cover 5.In addition, although not shown, position of components mark 532,542 also can be marked on respectively the rear surface of diffuser section 53 and be subjected on the rear surface of light shield section 54.And, detect sounding mark 533,543 and also can be marked on respectively the rear surface of diffuser section 53 and be subjected on the rear surface of light shield section 54.
Figure 18 is the stereographic map of auxiliary shell 4.Auxiliary shell 4 is configured between main body cover 5 and sensor circuit assembly 2.Auxiliary shell 4 suppresses seeing through of stray light, and infrared ray is seen through efficiently.For example, auxiliary shell 4 is that resin is made.
Comprised for the second spatial accommodation 421 that configures photo detector 221 by light cap 42.Be subjected to light cap 42 to cover photo detector 221 from the light direction that is subjected to of photo detector 221.Be subjected to the opposition side of light direction, the second spatial accommodation 421 opens wide across the integral body that is subjected to light cap 42 on above-below direction.Namely, the left side of the second spatial accommodation 421 is opened wide across the integral body of above-below direction.The second spatial accommodation 421 runs through along the vertical direction and is subjected to light cap 42.
The inside surface 412 of the first spatial accommodation 411 sides of luminous cap 41 has towards the shape of light emission direction taper.Namely, the inside surface of luminous cap 41 has towards the shape of photo detector 221 side tapers.Therefore, in the time assisting shell 4 to be arranged on sensor module 2, section 212 contacts with the inside surface 412 of luminous cap 41 by light emission lens, thereby comes positioning luminous cap 41.Had towards the shape that is subjected to the light direction taper by the inside surface 422 of the second spatial accommodation 421 sides of light cap 42.Namely, had towards the shape of light-emitting component 211 side tapers by the inside surface 422 of light cap 42.Therefore, in the time assisting shell 4 to be arranged on sensor circuit assembly 2, section 222 contacts with the inside surface 422 that is subjected to light cap 42 by sensitive lens, is subjected to light cap 42 thereby locate.
Be provided with projection 413 on the inside surface 412 of luminous cap 41.Under the state that light emission lens section 212 is configured in the first spatial accommodation 411, the upper end of projection 413 contacts with the bottom surface of light emission lens section 212.And, be provided with projection 423 on the inside surface 422 that is subjected to light cap 42.Under the state that sensitive lens section 222 is configured in the first spatial accommodation 411, the upper end of projection 423 contacts with the bottom surface of sensitive lens section 222.According to this formation, can prevent that the relatively auxiliary shell 4 of sensor circuit assembly 2 from coming off downwards.
Next, the manufacturing process of photoelectric sensor 1 described.Figure 19 represents the manufacturing process of sensor circuit assembly 2.In Figure 19 (A) represented technique, thereby tabular framework is got through the lead frame 240 that forms the regulation shape by punch process.And, IC chip 230, action indicator 231, light-emitting component 211, the photo detector 221 of mounting circuit section 23 on lead frame 240.
Next, in the represented technique of (B) of Figure 19, closure 25, light emission lens section 212 and the moulding on lead frame 240 of sensitive lens section 222.Closure 25, light emission lens section 212 is formed by identical moulding material with sensitive lens section 222, and closure 25, light emission lens section 212 and sensitive lens section 222 are with general mould one-shot forming.
Next, in Figure 19 (C) represented technique, remove unnecessary part in lead frame 240, form the lead frame 24 of above-mentioned sensor circuit assembly 2.Afterwards, bending is subjected to light leading part 243 and luminous leading part 242 upward.And, crooked the first～the 4th splicing ear 26～29 downwards.
Figure 20～Figure 22 represents the packaging technology of photoelectric sensor 1.At first, in the technique that Figure 20 represents, cable 6 is arranged on support 3.Here, the crust 60 of the leading section by prior cut-out cable 6, thus expose many electric wires 61～64.And, be moved upward the electric wire 61～64 that exposes and have the part of the crust 60 of cable 6, and inserting in the hole 35 of support 3.Afterwards, forwards pull electric wire 61～64, and insert in the first～the 4th cable holding section 311～314.
Next, in the represented technique of Figure 21, sensor circuit assembly 2 is installed on support 3.Here, sensor circuit assembly 2 moves down towards support 3.Like this, the first～the 4th splicing ear 26～29 is inserted into respectively in the first～the 4th terminal accommodation section 316～319.At this moment, the first～the 4th splicing ear 26～29 thrusts the electric wire 61～64 in the first～the 4th cable holding section 311～314, is crimped on electric wire 61～64.If sensor circuit assembly 2 is pressed downwards towards support 3 until with the first engaging portion 37 and second engaging portion 38 engagings of support 3, the first～the 4th splicing ear 26～29 arrives crimping position, completes the crimping of the first～the 4th splicing ear 26～29 and electric wire 61～64.And, be cut off from the front end face 315 outstanding unnecessary electric wires of the first wall section 31.
Next, in the represented technique of Figure 22, will assist shell 4 to be arranged on sensor circuit assembly 2.Here, move down towards sensor circuit assembly 2 by making auxiliary shell 4, thereby will assist shell 4 to be enclosed within on sensor circuit assembly 2.Like this, light emission lens section 212 is configured in the first spatial accommodation 411.And sensitive lens section 222 is configured in the second spatial accommodation 421.
Then, main body cover 5 is arranged on support 3.Here, move down towards sensor major circuit components 2 and support 3 by making main body cover 5, thereby main body cover 5 is enclosed within on sensor circuit assembly 2, support 3 and auxiliary shell 4.Like this, sensor circuit assembly 2, support 3 are configured in the inner space of main body cover 5 with auxiliary shell 4.And, in the light-emission window section 44 of auxiliary shell 4 is inserted into luminous slit 531 in, be inserted into by optical window section 45 and be subjected in optical slits 541.
The effect of the photoelectric sensor 1 that present embodiment is related is as follows.In this photoelectric sensor 1, light-emitting component 211, photo detector 221 are integrated with closure 25.Therefore, can integratedly the sensor circuit assembly 2 that comprises light-emitting component 211, photo detector 221 and closure 25 be arranged on support 3.And, because the first～the 4th splicing ear 26～29 is crimped on respectively on electric wire 61～64, so do not need welding.Therefore, in the time of can reducing worker.
And, owing to not needing welding, therefore, even the distance between closure 25 and first～the 4th splicing ear 26～29 is little, also can prevent the heat affecting to circuit part 23 and closure 25.According to this formation, can improve reliability.Also have, because the front end of the first～the 4th splicing ear 26～29 configures down, therefore, move towards the below by making sensing body circuit unit 2, can easily the first～the 4th splicing ear 26～29 be crimped on electric wire 61～64.As mentioned above, in the photoelectric sensor 1 that relates to the present embodiment, reliability is high and easily realize miniaturization, and can reduce worker the time.
Particularly, when configuring a plurality of splicing ear side by side as present embodiment, in small-sized photoelectric sensor, the distance between splicing ear becomes very little.At this moment, be difficult for welding electric wire on each splicing ear, the adjacent problems such as splicing ear short circuit might occur.But, in the related photoelectric sensor 1 of present embodiment, because a plurality of splicing ears 26～29 are connected with electric wire 61～64 by crimping, therefore, can solve problem as above.
Also have, because the first splicing ear 26 has the first press section 260, but by pressing first press section 260 crimping the first splicing ears 26.Therefore, compare with the situation of pressing closure for crimping, can suppress the burden to closure 25.According to this formation, can further improve reliability.
Each splicing ear 26～29, outstanding from closure 25 towards fore-and-aft direction, and have towards the shape of below bending.Therefore, the press section 260,270,280,290 of each splicing ear 26～29 has been configured in from the crimping direction projection outside the zone of closure 25.Therefore, press the press section 260,270,280, of each splicing ear 26～29 at 290 o'clock from the top, closure 25 is difficult to become obstruction.According to this formation, can easily carry out crimping.And pressure contact portion 260,270,280,290 is the part of thickness direction end face of the thickness of slab of splicing ear 26～29.Therefore, can easily form press section 260,270,280,290.Also have, be provided with press section 260,270,280,290 on each splicing ear 26～29.Therefore, compare when only on part splicing ear 26～29, the press section being set, can press equably each splicing ear 26～29.According to this formation, each splicing ear 26～29 of crimping accurately.
Crimping is by the first～the 4th splicing ear 26～29 is pressed to electric wire 61～64, and the endothelium that makes the first～the 4th splicing ear 26～29 wear out electric wire 61～64 contacts with heart yearn.Therefore, do not need to cut off in advance the endothelium of electric wire 61～64, i.e. easily crimping.According to this formation, in the time of can reducing worker.
A plurality of cable holding section 311～314 is spaced mutually.Therefore, can prevent the contact of electric wire 61～64.
A plurality of cable holding section 311～314 extends along fore-and-aft direction.Therefore, when making photoelectric sensor 1, electric wire 61～64 configures along fore-and-aft direction in cable holding section 311～314.And, move and press to electric wire 61～64 towards the below by making splicing ear 26～29, can easily carry out the crimping of splicing ear 26～29.
The width of the first insert port 311c of the first cable holding section 311 is less than the diameter d 2 of electric wire 61.Therefore, can improve the confining force to electric wire 61 of the first cable holding section 311.Namely, electric wire 61 is difficult to come off from the first cable holding section 311.And, when by the first insert port 311c, electric wire 61 being inserted the first cable holding section 311, can obtain to insert sense.According to this formation, when making photoelectric sensor 1, the operator can easily hold whether completed the installing wire to cable holding section.About the second～the 4th cable holding section 312～314, also have the effect identical with the first cable holding section 311.
The first～the 4th terminal accommodation section 316～319 is spaced mutually.Therefore, can prevent that adjacent splicing ear from contacting.
The first terminal accommodation section 316 is configured to and the first cable holding section 311 quadratures.At this moment, by the first splicing ear 26 being inserted the first terminal accommodation section 316, can easily the first splicing ear 26 be thrust in the electric wire 61 that is configured in the first cable holding section 311.About the second～the 4th splicing ear 27～29, also have the effect identical with the first splicing ear 26.
The first splicing ear 26 is configured between a pair of the first wall 316a of section, 316b.Therefore, the distortion of the first splicing ear 26 during crimping is by a pair of the first wall 316a of section, 316b restriction.Consist of according to this, can guarantee significantly the crimp strength of the first splicing ear 26 and electric wire.About the second～the 4th splicing ear 27～29, also have the effect identical with the first splicing ear 26.
In the first terminal accommodation section 316, the first projection 316c is outstanding towards the otch 267 of the first splicing ear 26.Therefore, when crimping, the heart yearn 612 of electric wire 61 is pressed in the otch 267 of the first splicing ear 26 by the first projection 316c.Therefore, in the time of can preventing crimping, heart yearn 612 is thrown off from the otch 267 of the first splicing ear 26.Consist of according to this, can accurately guarantee being connected of the first splicing ear 26 and heart yearn 612.About the second～the 4th splicing ear 27～29, also have the effect identical with the first splicing ear 26.
Under splicing ear 26～29 was configured in state with the position of electric wire 61～64 crimping, the first engaging portion 37 and the second engaging portion 38 arrived the position with 2 engagings of sensor circuit assembly.Therefore, due to the first engaging portion 37 and the second engaging portion 38 engagings on sensor circuit assembly 2, thereby can firmly keep the crimping of the first～the 4th splicing ear 26～29 and electric wire 61～64.And when crimping, when the first～the 4th splicing ear 26～29 was configured in position with electric wire 61～64 crimping, the first engaging portion 37 and the second engaging portion 38 arrived the position with 2 engagings of sensor circuit assembly.Therefore, the operator can easily hold by the first engaging portion 37 and the second engaging portion 38 situation of engaging on sensor circuit assembly 2 the crimping of whether completing the first～the 4th splicing ear 26～29.
Luminous leading part 242 be subjected to light leading part 243 crooked upward.The first～the 4th splicing ear 26～29 is crooked downwards.Therefore, when pressing the first～the 4th splicing ear 26～29 downwards and being crimped on electric wire 61～64, luminous leading part 242 be subjected to light leading part 243 can not hinder crimping.
In first sidepiece 252 and the second sidepiece 253 of closure 25, the first～the 4th splicing ear 26～29 only is arranged on the first sidepiece 252.In the situation that on both of the first sidepiece 252 and the second sidepiece 253, splicing ear is set, the mode that need to balancedly apply with the splicing ear to the splicing ear of the first sidepiece 252 and the second sidepiece 253 power is carried out crimping, but and is not easy.And in order balancedly to apply power to the splicing ear of the first sidepiece 252 and the splicing ear of the second sidepiece 253, the closure 25 of pressing between the first sidepiece 252 and the second sidepiece 253 is comparatively effective, but might damage closure 25.On the contrary, as shown in present embodiment, by the first～the 4th splicing ear 26～29 only is set on the first sidepiece 252, can be easily even a plurality of splicing ears 26～29 of crimping.
The width of the first joint portion 262 of the first splicing ear 26 is less than the width of the first pressure contact portion 261.Therefore, compare when identical with the width of the width of the first joint portion 262 and the first pressure contact portion 261, can crooked the first splicing ear 26 of enough less power.Similarly, to the second～the 4th splicing ear 27～29, also can enough less power bendings.Therefore, when carrying out the bending machining of the first～the 4th splicing ear 26～29, can reduce the related power of closure 25 of sensor circuit assembly 2.Consist of the breakage of the closure 5 in the time that bending machining can being prevented according to this.And, energy enough less power bendings first～the 4th splicing ear 26～29, the accuracy that can improve the angle of bend of the first～the 4th splicing ear 26～29.
The first press section 260 from the first terminal accommodation section 316 surface outstanding.Therefore, when crimping the first splicing ear 26, can easily press the first press section 260.Thus, can easily the first splicing ear 26 be crimped on electric wire 61.About the second～the 4th splicing ear 27～29, also have and the first identical effect of splicing ear 26.
The width w3 of the otch 267 of the first splicing ear 26 is less than the width w7 of the bundle of the heart yearn 612 that there is no crimping.At this moment, due to heart yearn 612 to be bundled in otch 267 interior by the first splicing ear 26 clampings, thereby can firmly connect heart yearn 612 and the first splicing ear 26.About the second～the 4th splicing ear 27～29, also have the effect identical with the first splicing ear 26.
The inside surface in the hole 35 of support 3 has the first～the 4th projection 354～357.Therefore, can guarantee that by the first～the 4th projection 354～357 gap between the outside surface of the inside surface in hole 35 and cable 6 is even.Therefore, when being bonded in cable 6 on hole 35, can make equably between cementing agent ostium 35 and cable 6.Consist of according to this, can improve the cohesive strength of cable 6.
In the hole 35 of support 3, the internal diameter of the second hole section 352 is larger than the internal diameter of the first hole section 351.And 35 end direction becomes large to the internal diameter of the second hole section 352 towards the hole.Therefore, cementing agent is easy between ostium 35 and cable 6.Consist of according to this, can reduce the generation of bonding defect.
The location division 36 of support 3 is configured to above hole 35 local overlapping with hole 35.Therefore, can easily carry out the location of upper end of the crust 60 of cable 6.And location division 36 is parts of the first wall section 31.Therefore, the first wall section 31 can be doubled as location division 36 uses.
The area of light emission lens section 212 is different from the area of sensitive lens section 222.Therefore, the area of the area of light emission lens section 212 and sensitive lens section 222 can be set respectively for the size that is fit to light-emitting component 211 and photo detector 221.And, because light-emitting component 211 and photo detector 221 are arranged on the lead frame 24 of one, therefore, when making sensor circuit assembly 2, can carry out simultaneously the moulding of light emission lens section 212 and sensitive lens section 222.Therefore, even the area of light emission lens section 212 is different from the area of sensitive lens section 222, also need not to use different moulds, can enough common moulds carry out the moulding of light emission lens section 212 and sensitive lens section 222.According to this formation, in the time of can reducing worker and cost.
Although cable 6 is installed on support 3 by it is moved up towards support 3, sensor circuit assembly 2 is to be installed on support 3 by it is moved down towards support 3.And auxiliary shell 4 and main body cover 5 are also to be installed on support 3 by it is moved down towards support 3.Therefore, after being arranged on cable 6 on support 3, successively sensor circuit assembly 2, auxiliary shell 4 are assembled on support 3 with main body cover 5 in the same direction.Consist of according to this, can easily carry out the assembling of photoelectric sensor 1.
Above, an embodiment of the present utility model is illustrated, but the utility model is not limited to above-mentioned embodiment, can carry out various changes within not breaking away from the spiritual scope of utility model.
The utility model is not limited to transmission-type photoelectric sensor, also applicable to reflective photoelectric sensor.
The shape of splicing ear is not limited to the shape of the splicing ear in above-mentioned embodiment.For example, splicing ear 71 as shown in figure 23 is such, also can have the shape of front end taper.Splicing ear 71 is connected with electric wire 61 by thrusting electric wire 61.At this moment, splicing ear 71 contacts with heart yearn 612 by thrusting electric wire 61, thus splicing ear 71 and electric wire 61 electrical connections.Perhaps splicing ear also can be configured to run through closure.At this moment, by press the end of splicing ear from the top of closure, splicing ear can be crimped on electric wire.
The material of light emission lens section 212, sensitive lens section 222 and closure 25 is not limited to above-mentioned material.For example, light emission lens section 212, sensitive lens section 222 can be also to be formed by the material beyond resin with closure 25.And light emission lens section 212, sensitive lens section 222 and closure 25 can be different materials.But for light emission lens section 212, sensitive lens section 222 is one-body molded with closure 25, light emission lens section 212, sensitive lens section 222 is preferably formed by commaterial with closure 25.Closure 25 is not limited to the part of sealing lead frame 24, also can seal whole lead frame 24.
The shape of light emission lens section 212 and sensitive lens section 222 is not limited to circle.For example as shown in Figure 24 (A), the shape of light emission lens section 212 and sensitive lens section 222 can be also oval.Perhaps, as shown in Figure 24 (B), light emission lens section 212 and sensitive lens section 222 can be also a side for circular, the opposing party be ellipse.And in (B) of Figure 24, light emission lens section 212 is oval, and sensitive lens section 222 be circular, still, can be also light emission lens section 212 for circular, sensitive lens section 222 is ellipse.
The shape of luminous leading part 242 can be mutually asymmetric with being subjected to the shape of light leading part 243.It can be identical shaped or symmetrical shape that the shape of the first luminous leading part 244 and first is subjected to the shape of light leading part 245.It can be identical or symmetrical shape that the shape of the second luminous leading part 246 and second is subjected to the shape of light leading part 247.
The quantity of splicing ear is not limited to four.Sensor circuit assembly 2 can have and is less than four or than the splicing ear more than four.With the quantity of splicing ear accordingly, sensor circuit assembly 2 can have and is less than four or than the cable holding section more than four.And, with the quantity of splicing ear accordingly, sensor circuit assembly 2 can have and is less than four or than the terminal accommodation section more than four.The projection quantity of the inside surface in hole 35 is not limited to four, so long as get final product more than three.And, can omit action indicator 231 in sensor circuit assembly 2.
The configuration of a plurality of splicing ears also is not limited to the configuration in above-mentioned embodiment.For example, a plurality of splicing ears also can be arranged on the first sidepiece 252 of closure 25 and the second sidepiece 253 on both.But, be arranged on the first sidepiece 252 of closure 25 and the second sidepiece 253 on both the time at a plurality of splicing ears, when crimping, need to press the splicing ear of the first sidepiece 252 and the splicing ear of the second sidepiece 253 with identical power.Therefore, from easily making the viewpoint of photoelectric sensor, preferred a plurality of splicing ears only are arranged on in the first sidepiece 252 of closure 25 and the second sidepiece 253 one.
And, in the above-described embodiment, when overlooking observation (namely seeing from top to bottom), closure 25 be shaped as quadrilateral, but closure also can be other shape.For example, when overlooking observation, closure also can be triangle.At this moment, by only on one side of opposite side respect to one another, splicing ear being set, can similarly utilize uniform power to press splicing ear with above-mentioned embodiment.
The width of splicing ear otch also can be less than the diameter of heart yearn.At this moment, be out of shape and be pressed into otch by heart yearn, thereby can firmly connect heart yearn and splicing ear.
In the above-described embodiment, after the crimping of having completed the first～the 4th splicing ear 26～29 and electric wire 61～64, cut off redundant electric wires.Also can before the crimping of completing the first～the 4th splicing ear 26～29 and electric wire 61～64, cut off redundant electric wires.
Detect sounding mark 533,543 shape is not limited to the shape that falls in from the surface of main body cover 5, can be also from the outstanding convex in the surface of main body cover 5.Perhaps, detect sounding mark 533,543 and can have the surfaceness more coarse than other positions of main body cover 5.
Position of components mark 532,542 is not limited only to triangle as above, can be also other shape.Detection sounding mark 533,543 is not limited only to as above bar-shaped, can be also other shape.For example, as shown in figure 25, can be also decorative pattern or coat the color different from other parts on main body cover 5, the border of pattern or color is for detecting sounding mark 533,543.
In Figure 25 (A), decorating on main body cover 5 has pattern A1, the A2 that is made of a plurality of straight lines.Each straight line extends towards above-below direction, and configuration side by side to left and right direction.The downside border of pattern A1, A2, be that the bottom of each straight line is equivalent to detect sounding mark 533,543.In Figure 25 (B), decorating on main body cover 5 has pattern B1, the B2 that is made of a plurality of straight lines.Each straight line extends towards above-below direction, and configuration side by side to left and right direction.The boundary of pattern B1, B2, be that the upper end of each straight line is equivalent to detect sounding mark 533,543.Perhaps, pattern A1, A2, B1, B2 can be made of male and fomale(M﹠F).Perhaps, pattern A1, A2, B1, B2 other positions that can have than main body cover 5 have more coarse surface.
In Figure 25 (C), decorating on main body cover 5 has pattern C1, the C2 that is made of a plurality of straight lines.Each straight line extends to left and right direction, and configures side by side towards above-below direction.The downside border of pattern C1, C2, namely be positioned at that the straight line of below is equivalent to detect sounding mark 533,543.In Figure 25 (D), decorating on main body cover 5 has pattern D1, the D2 that is made of a plurality of straight lines.Each straight line extends to left and right direction, and configures side by side towards above-below direction.The boundary of pattern D1, D2, namely, the straight line that is positioned at the top is equivalent to detect sounding mark 533,543.Perhaps, pattern C1, C2, D1, D2 can be made of male and fomale(M﹠F).Perhaps, pattern C1, C2, D1, D2 other positions that can have than main body cover 5 have more coarse surface.
In Figure 25 (E), decorating on main body cover 5 has net-like pattern E1, E2.The downside border of pattern E1, E2 is equivalent to detect sounding mark 533,543.In Figure 25 (F), decorating on main body cover 5 has net-like pattern F1, F2.The boundary of pattern F1, F2 is equivalent to detect sounding mark 533,543.Perhaps, pattern E1, E2, F1, F2 can be made of male and fomale(M﹠F).Perhaps, pattern E1, E2, F1, F2 other positions that can have than main body cover 5 have more coarse surface.
In Figure 25 (G), in the color different from other parts that be partially coated with of main body cover 5.The downside border of different colours part G1, G2 is equivalent to extreme position and shows 533,543.In Figure 25 (H), in the color different from other parts that be partially coated with of main body cover 5.The boundary of different colours part H1, H2 is equivalent to detect sounding mark 533,543.Perhaps, pattern G1, G2, H1, H2 can be made of male and fomale(M﹠F).Perhaps, pattern G1, G2, H1, H2 other positions that can have than main body cover 5 have more coarse surface.
Luminous support portion is so long as can support the parts of light-emitting component and get final product, and the shape of luminous support portion and structure are not limited to the shape described in above-mentioned embodiment and structure.Luminous support portion can for as above stating the such leading part of embodiment, can be also other structures on resin component with certain pattern setting.The bearing of trend of luminous support portion also is not limited to the vertical described in above-mentioned embodiment, can be also other directions.For example, luminous support portion can be to extend along the direction of vertical inclination relatively.The shape of luminous support portion is not limited to linear, can be also other shapes.For example, the shape of luminous support portion can be curved shape.
Be subjected to the light support portion so long as can support the parts of light-emitting component and get final product, be subjected to the shape of light support portion and structure to be not limited to shape and structure in above-mentioned embodiment.Being subjected to the light support portion can for as above stating the such leading part of embodiment, can be also to make certain pattern setting other structures on resin component.Being subjected to the bearing of trend of light support portion also to be not limited to vertical in above-described embodiment, can be also other directions.For example, being subjected to the light support portion can be to extend along the direction that vertical relatively tilts.Being subjected to the shape of light support portion to be not limited to linear, can be also other shapes.For example, being subjected to the shape of light support portion can be curved shape.
Utilizability on industry
According to the utility model, can provide that a kind of reliability is high, the photoelectric sensor when being easy to realize miniaturization and can reducing worker.
Description of reference numerals
2 sensor circuit assembly 3 supports
6 cable 25 closure
20 connecting portion 210 luminous support portions
220 are subjected to 260 first press sections, light support portion
261 first pressure contact portion 26 first splicing ears
61 first electric wire 211 light-emitting components
221 photo detectors.
Claims (8)
1. a photoelectric sensor, is characterized in that, comprising:
Sensor circuit assembly (2) comprises mutually light-emitting component (211) and the photo detector (221) of configuration in opposite directions;
Cable (6) comprises many electric wires;
Support (3) supports described sensor circuit assembly (2) and described cable (6); And
Main body cover (5) holds described sensor circuit assembly (2) and described support (3),
Wherein, described main body cover (5), have the diffuser section (53) that holds described light-emitting component (211), hold being subjected to light shield section (54), being positioned at described diffuser section (53) and the described detection groove (55) that is subjected between light shield section (54) of described photo detector (221)
Described main body cover (5) has detection sounding mark (533,543),
When described detection sounding mark (533,543) expression detects detected object, detected object need to be inserted the detection degree of depth in described detection groove (55).
2. photoelectric sensor according to claim 1, is characterized in that,
Described photoelectric sensor also comprises: be configured in the auxiliary shell (4) between described main body cover (5) and described sensor circuit assembly (2),
Described diffuser section (53) has at least from extending to described light-emitting component position in opposite directions the luminous slit (531) that arrives described detection trench bottom position,
Described be subjected to light shield section (54) have at least from described photo detector position in opposite directions extend to arrive detect the trench bottom position be subjected to optical slits (541),
Described auxiliary shell (4) have be inserted into the light-emission window section (44) in described luminous slit (531) and be inserted into described be subjected to optical slits (541) interior be subjected to optical window section (45).
3. photoelectric sensor according to claim 1, is characterized in that,
Described main body cover (5) also comprises: represent the position of components mark (532,542) of described photo detector (221) and described light-emitting component (211) position,
Described position of components mark (532,542) is configured in respectively the position of the center of the center that is equivalent to described light emission lens section (212) and described sensitive lens section (222).
4. photoelectric sensor according to claim 3, is characterized in that,
Described detection sounding mark (533,543) and/or described position of components mark (532,542) are the marks that is marked on described main body cover (5).
5. photoelectric sensor according to claim 4, is characterized in that,
Described position of components mark (532,542) is marked on respectively front and the described front that is subjected to light shield section (54) of described diffuser section (53),
Described detection sounding mark (533,543) is marked on respectively front and the described front that is subjected to light shield section (54) of described diffuser section (53).
6. photoelectric sensor according to claim 5, is characterized in that,
Described position of components mark (532,542) is the triangle mark,
Described detection sounding mark (533,543) is bar-shaped mark.
7. photoelectric sensor according to claim 1, is characterized in that,
Described being subjected to is respectively arranged with decorative pattern (A1, A2-H1, H2) in light shield section (54) and described diffuser section (53), and the coboundary of described decorative pattern (A1, A2-H1, H2) or lower boundary are equivalent to described detection sounding mark (533,543).
8. photoelectric sensor according to claim 7, is characterized in that,
Described decorative pattern be towards above-below direction extend and to left and right direction side by side the straight line (A1, A2-B1, B2) of configuration, extend and towards the above-below direction part (G1, G2-H1, H2) of straight line (C1, C2-D1, D2), netted decorative pattern (E1, E2-F1, F2) or the different colours of configuration side by side to left and right direction.
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| CN 201320213111 CN203274765U (en) | 2013-04-24 | 2013-04-24 | Photoelectric sensor |
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| CN 201320213111 CN203274765U (en) | 2013-04-24 | 2013-04-24 | Photoelectric sensor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913794A (en) * | 2014-03-15 | 2015-09-16 | 欧姆龙株式会社 | Photoelectric sensor component and manufacture method thereof |
| CN104913795A (en) * | 2014-03-15 | 2015-09-16 | 欧姆龙株式会社 | Photosensor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913794A (en) * | 2014-03-15 | 2015-09-16 | 欧姆龙株式会社 | Photoelectric sensor component and manufacture method thereof |
| CN104913795A (en) * | 2014-03-15 | 2015-09-16 | 欧姆龙株式会社 | Photosensor |
| CN104913795B (en) * | 2014-03-15 | 2017-11-28 | 欧姆龙株式会社 | Photoelectric sensor |
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