CN104913794A - Photoelectric sensor component and manufacture method thereof - Google Patents

Photoelectric sensor component and manufacture method thereof Download PDF

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Publication number
CN104913794A
CN104913794A CN201510081768.0A CN201510081768A CN104913794A CN 104913794 A CN104913794 A CN 104913794A CN 201510081768 A CN201510081768 A CN 201510081768A CN 104913794 A CN104913794 A CN 104913794A
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China
Prior art keywords
light
wire
lead
teat
signal
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CN201510081768.0A
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CN104913794B (en
Inventor
宫田毅
大槻一也
中嶋淳
宫下诚司
今井清司
糟谷诚
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Omron Corp
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Omron Corp
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Abstract

The invention provides a photoelectric sensor component which can switch action through a simple structure, and a manufacture method thereof. The photoelectric sensor component comprises three steps of: in a first step, preparing a photoelectric sensor middle part which comprises a light casting portion, a light receiving portion, an integrated circuit, a circuit packing portion, first and second lead frames, and an external connection portion, wherein the integrated circuit processes light receiving signals from the light receiving portion; the circuit packing portion packs the integrated circuit; the first and second lead frames are respectively provided with a first projection portion and a second projection portion projecting to the outside of the circuit packing portion; the external connection portion is in connection with the first projection portion and the second projection portion; the light casting portion, the light receiving portion, the first and second lead frames and the integrated circuit are in connection; in a second step, determining whether to cut off a certain position of a projection portion formed by the first and second projection portions and the external connection portion; and in a third step, cutting the projection portion under the condition of performing cutting-off determined in the second step.

Description

Photoelectric sensor parts and its manufacture method
Technical field
The present invention relates to a kind of photoelectric sensor parts and its manufacture method.
Background technology
As one of existing photoelectric sensor, there is the photoelectric sensor recorded in patent documentation 1 and patent documentation 2.In this photoelectric sensor, utilize and be projected into below outside outside switched terminal switching 2 kinds of actions from housing: the 1st kind of action is, when the light sent from light-projecting component enters photo detector, light the action (lighting when light enters (ON)) of (ON); 2nd kind of action is, when the light sent from light-projecting component does not enter photo detector, lights the action (lighting when light blocks (ON)) of (ON).In this photoelectric sensor, by the electrical connection utilizing outside switched terminal to switch internal circuit, treatment circuit detects its Electrical change, and performs the process corresponding with the position of outside switched terminal.
Patent documentation 1:JP JP 2000-277221 publication
Patent documentation 2:JP Unexamined Patent 6-215388 publication
With regard to photoelectric sensor, if once determine it to utilize place, then the place that can not switch to other uses.Therefore, do not wish to cause manufacturing cost to increase because resetting switched terminal.But, separate manufacture and design when light enters light (ON) and light blocks time light (ON) photoelectric sensor manufacturing cost also can be caused to increase, also unsatisfactory.
Summary of the invention
Therefore, the present invention proposes to solve the above problems, and its object is to provides a kind of components number of avoiding increase and simple structure can be utilized to carry out photoelectric sensor parts and its manufacture method of the switching of action.
The manufacture method of the photoelectric sensor parts in the 1st embodiment of the present invention comprises 3 following steps.In the 1st step, prepare photoelectric sensor intermediate member.This photoelectric sensor intermediate member has light-projecting portion, light accepting part, integrated circuit, circuit package portion, the 1st lead frame, the 2nd lead frame, external connecting.Integrated circuit process from light accepting part by light signal.Circuit package portion encapsulated integrated circuit.1st lead frame, the 2nd lead frame have the 1st teat, the 2nd teat of the outside being projected into circuit package portion respectively.External connecting connects the 1st teat and the 2nd teat.Light-projecting portion, light accepting part, the 1st lead frame, the 2nd lead frame are connected with integrated circuit.In the 2nd step, determine a certain position whether cutting off the teat be made up of the 1st teat, the 2nd teat, external connecting.In the 3rd step, determine to cut off teat when cutting off in the 2nd step.According to the present embodiment, cut off a certain position of the teat be made up of the 1st teat, the 2nd teat, external connecting as required, just can manufacture 2 kinds of photoelectric sensor parts.
The manufacture method of the photoelectric sensor parts in the 2nd embodiment of the present invention comprises following 4 steps.In the 1st step, prepare photoelectric sensor intermediate member.This photoelectric sensor intermediate member has light-projecting portion, light accepting part, integrated circuit, circuit package portion, the 1st lead frame, the 2nd lead frame.Integrated circuit process from light accepting part by light signal.Circuit package portion encapsulated integrated circuit.1st lead frame has the 1st teat of the outside being projected into circuit package portion.2nd lead frame has the 2nd teat of the outside being projected into circuit package portion.Light-projecting portion, light accepting part, the 1st lead frame, the 2nd lead frame are connected with integrated circuit.In the 2nd step, prepare the brace that the 1st teat can be electrically connected with the 2nd teat.In the 3rd step, determine whether be electrically connected the 1st teat and the 2nd teat.In the 4th step, when determining to be electrically connected in the 3rd step, brace is utilized to be electrically connected the 1st teat and the 2nd teat.According to the present embodiment, be only electrically connected the 1st teat and the 2nd teat as required, just can manufacture 2 kinds of photoelectric sensor parts.
Photoelectric sensor parts in 3rd embodiment of the present invention have light-projecting portion, light accepting part, integrated circuit, circuit package portion, the 1st lead frame, the 2nd lead frame.Light accepting part receives the light from light-projecting portion, and exports by light signal.Integrated circuit process is by light signal.Circuit package portion encapsulated integrated circuit.1st lead frame and the 2nd lead frame are connected with integrated circuit.1st lead frame has the 1st teat of the outside being projected into circuit package portion.2nd lead frame has the 2nd teat of the outside being projected into circuit package portion.Photoelectric sensor parts are fixed as the 1st state or the 1st teat that the 1st teat is electrically connected with the 2nd teat and the 2nd state that the 2nd teat insulate.Be fixed as the photoelectric sensor parts of the 1st state, perform the 1st disposal route for by light signal.Be fixed as the photoelectric sensor parts of the 2nd state, perform the 2nd disposal route for by light signal.According to the present embodiment, do not need to separate and manufacture and design 2 kinds of photoelectric sensor parts.
Preferably in the manufacture method of the 1st and the 2nd embodiment and the photoelectric sensor parts of the 3rd embodiment, photoelectric sensor intermediate member has to be lighted and the display part extinguished under black out signal lighting under signal.One during 1st process and the 2nd processes is treated to, and when the signal value by light signal is more than the threshold value of regulation, exports the number of lighting, and when the signal value by light signal is less than threshold value, exports the process of black out signal.Another during 1st process and the 2nd processes is treated to, and when the signal value by light signal is more than threshold value, exports black out signal; When the signal value by light signal is less than threshold value, export the process of lighting signal.Photoelectric sensor parts according to the present embodiment, do not need to separate the photoelectric sensor manufacturing and designing and light when illumination is penetrated and light when blocking with light.In addition, the manufacture method of photoelectric sensor parts according to the present embodiment, brace is only utilized to be electrically connected the 1st teat and the 2nd teat as required, or, only utilize brace to be electrically connected the 1st teat and the 2nd teat as required, just can manufacture when illumination is penetrated and light the photoelectric sensor lighted when blocking with light.
The photoelectric sensor parts manufactured by the manufacture method of the 1st embodiment, the 2nd embodiment and the photoelectric sensor parts of the 3rd embodiment, according to status of electrically connecting or the state of insulation of teat, perform the 1st process or the 2nd process.Therefore, these photoelectric sensor parts can utilize simple structure to carry out the switching of action.
Accompanying drawing explanation
Fig. 1 is the front view of the photoelectric sensor of an embodiment.
Fig. 2 is the vertical view of the photoelectric sensor of an embodiment.
Fig. 3 is the exploded perspective view of the photoelectric sensor of an embodiment.
The cut-open view of photoelectric sensor when Fig. 4 is the profile line IV-IV cutting with Fig. 2.
The cut-open view of photoelectric sensor when Fig. 5 is the profile line V-V cutting with Fig. 1.
Fig. 6 is the planimetric map of the sensor assembly of an embodiment.
Fig. 7 is the planimetric map of the once-forming product of the sensor assembly that an embodiment is shown.
Fig. 8 is the planimetric map of the detailed circuit of the component inside covered by resin of the sensor assembly that Fig. 6 is shown.
Fig. 9 is the enlarged drawing near teat.
Figure 10 is the process flow diagram of the manufacture method of the sensor assembly that an embodiment is shown.
Figure 11 is the process flow diagram of the another kind of manufacture method of the sensor assembly that an embodiment is shown.
Figure 12 A, Figure 12 B are the side view of the sensor assembly of Fig. 7.
Figure 13 is the enlarged drawing of multiple splicing ear and its periphery.
Figure 14 is the enlarged drawing near the 1st inner terminal portion and the 3rd inner terminal portion.
Figure 15 A, Figure 15 B are the 1st inner terminal portion of the variation that an embodiment is shown and the figure in the 3rd inner terminal portion.
Figure 15 C, Figure 15 D are the 1st inner terminal portion of the variation that an embodiment is shown and the figure in the 3rd inner terminal portion.
Figure 16 is the planimetric map of the variation of sensor assembly.
Figure 17 is the planimetric map of the once-forming product of the variation that sensor assembly is shown.
Figure 18 is the side view observing sensor assembly when being L-shaped by projection and accepted light wire kink from optical axis direction.
Figure 19 A, Figure 19 B, Figure 19 C, Figure 19 D are the detailed structure view of sub-shell.
Figure 20 is the front view of the photoelectric sensor of an embodiment.
Figure 21 is the vertical view of the photoelectric sensor of an embodiment.
Figure 22 is the exploded perspective view of the photoelectric sensor of an embodiment.
The cut-open view of photoelectric sensor when Figure 23 is the profile line XXIII-XXIII cutting with Figure 21.
Wherein, description of reference numerals is as follows:
4,5,6 sensor assemblies (photoelectric sensor parts)
8 lead frames
10 light-projecting portions
15 light accepting parts
32 the 1st leading parts (the 1st lead frame)
34 the 2nd leading parts (the 2nd lead frame)
90 circuit package portions
464 the 1st secondary teats (the 1st teat, the 1st lead frame)
466 the 2nd secondary teats (the 2nd teat, the 2nd lead frame)
460 external connecting (brace)
Embodiment
Below, with reference to accompanying drawing, while be described in detail an embodiment of the invention.In addition, referring to accompanying drawing in, identical Reference numeral put on by same or suitable component.
Fig. 1 is the front view of photoelectric sensor 1.Fig. 2 is the vertical view of photoelectric sensor 1.Fig. 3 is the exploded perspective view of photoelectric sensor 1.With reference to Fig. 3, photoelectric sensor 1 has sensor assembly 5, housing 60, sub-shell 80, base plate 98.
As shown in Figure 1, housing 60 has housing body unit 61, light projector housing section 62, light housing section 63.The cut-open view of photoelectric sensor when Fig. 4 is the profile line IV-IV cutting with Fig. 2.In addition, Fig. 4 thinks that the mode of cutting shows sensor assembly 5.With reference to Fig. 4, housing body unit 61 accommodates circuit package portion 90 described later.Light projector housing section 62 accommodates light-projecting portion 10 described later, the 1st light projector lead-in wire the 20 and the 2nd light projector lead-in wire 22.Light housing section 63 accommodates light accepting part 15 described later, the 1st light lead-in wire the 24 and the 2nd light lead-in wire 26.Light projector housing section 62 and light housing section 63 extend upward from housing body unit 61.The cut-open view of photoelectric sensor when Fig. 5 is the profile line V-V cutting with Fig. 1.With reference to Fig. 5, light projector housing section 62 with light housing section 63 face in opposite directions on there is light projector slit 66.Light housing section 63 with light projector housing section 62 face in opposite directions on have by optical slits 67.
In addition, in this embodiment, except defining the situation in direction especially, direction is defined as follows.Be called right direction by from light projector slit 66 towards the direction by optical slits 67, it is called left direction in the other direction.In the accompanying drawings, the positive dirction of X-axis is expressed as right direction.This left and right directions is equivalent to the optical axis Ax direction of the light from light-projecting portion 10 directive light accepting part 15 described later.In addition, be called upper direction by from splicing ear 50 towards the direction of projection and accepted light housing section 62,63, it is called lower direction in the other direction.In the accompanying drawings, Y-axis positive dirction is expressed as upper direction.By be called from the center of photoelectric sensor 1 towards the direction being formed with the face of display lamp window 68 of housing 60 front to, it is called in the other direction rear to.In the accompanying drawings, by front to the positive dirction being expressed as Z axis.
Light projector housing section 62 and light housing section 63 are in opposite directions.Photoelectric sensor 1 has a pair projection and accepted light slit 66,67 in opposite directions on the top of housing 60.Light projector housing section 62 and light housing section 63 on optical axis Ax (X-direction) across gap.As shown in Figure 1 and Figure 2, on the direction (Y direction of Fig. 1, Z-direction) perpendicular with projection and accepted light slit 66,67 direction in opposite directions, penetrate housing 60 mounting hole 69a, 69b, 69c, 69d is formed at housing 60.
In photoelectric sensor 1, the multiple splicing ears 50 as a part for sensor assembly 5 are externally given prominence to from the below of base plate 98.As shown in Figure 1, on housing 60, the face of face side is formed with the display lamp window 68 of quadrilateral.Operator can observe work display lamp (hereinafter referred to as work display part 92) by transmission display lamp window 68.Work display lamp is exceeding by light signal the threshold value preset from light accepting part 15, or lower than luminescence under any state of this threshold value.Aftermentioned to the luminescent condition of work display lamp.
As shown in Figure 3, sub-shell 80, sensor assembly 5 insert in housing 60 successively, install the base plate 98 with the hole 99 of inserting splicing ear 50 in the bottom of housing 60.
Fig. 6 is the planimetric map of sensor assembly 5.Fig. 7 is the planimetric map of the once-forming product that sensor assembly 5 is shown.In other words, Fig. 7 is the stretch-out view of the sensor assembly 5 of Fig. 6.In the following description, dull and stereotyped sensor assembly 5 will be launched into as sensor assembly 4 shown in Fig. 7.Fig. 8 is the planimetric map of the detailed circuit of the component inside covered by resin of the sensor assembly 4 that Fig. 6 is shown.
With reference to Fig. 6, sensor assembly 5 has light-projecting portion 10, light accepting part 15, the 1st light projector lead-in wire the 20, the 2nd light projector lead-in wire the 22, the 1st light lead-in wire the 24, the 2nd light lead-in wire 26, integrated circuit 41, circuit package portion 90, multiple splicing ear 50.In the following description, the 1st light projector lead-in wire the 20, the 2nd light projector lead-in wire the 22, the 1st light lead-in wire the 24, the 2nd light lead-in wire 26, multiple splicing ear 50 are generically and collectively referred to as lead frame 8.In addition, also sensor assembly can be called photoelectric sensor parts.Lead frame 8 is formed by the flat component with electric conductivity.That is, the 1st light projector lead-in wire the 20, the 2nd light projector lead-in wire the 22, the 1st light lead-in wire the 24, the 2nd light lead-in wire 26, multiple splicing ear 50 are tabular.
Light-projecting portion 10 comprises light-projecting component 11 and light projector encapsulation part 12.Light projector encapsulation part 12 comprises light projector abutment portion 13 and light projector lens section 14.Such as, light-projecting component 11 is light emitting diode.But, the element different from light emitting diode also can be used as light-projecting component 11.With regard to light projector encapsulation part 12, use resin-encapsulated light-projecting component 11.Light projector abutment portion 13 covers light-projecting component 11.Light projector lens section 14 has curved shape, and gives prominence to from light projector abutment portion 13.Observe from light projector direction, light projector lens section 14 is circular.The light sent from light-projecting component 11 is converted to directional light by light projector lens section 14.That is, light projector lens section 14 suppresses to disperse from the light of light-projecting component 11.
Light accepting part 15 receives the light from light-projecting portion 10, and exports by light signal.Light accepting part 15 has photo detector 16 and light encapsulation part 17.Light encapsulation part 17 has light abutment portion 18 and sensitive lens portion 19.Such as, photo detector 16 is phototransistor.But, the element different from phototransistor also can be used as photo detector 16.Photo detector 16 and light-projecting component 11 are mutually face-to-face.That is, the photoelectric sensor 1 of this embodiment is whether directly can receive to photo detector 16 the so-called infiltration type photoelectric sensor that light that light-projecting component 11 sends detects.With regard to light encapsulation part 17, use resin-encapsulated photo detector 16.Light abutment portion 18 covers photo detector 16.Sensitive lens portion 19 has curved shape, and gives prominence to from light abutment portion 18.Observing by light direction, sensitive lens portion 19 is circular.Light from light-projecting component 11 is converged at photo detector 16 by light projector lens section 14.
With reference to Fig. 8, light-projecting component 11 is installed on the 1st light projector lead-in wire 20.That is, light-projecting component 11 is installed on lead frame 8.In addition, photo detector 16 is installed on the 2nd light lead-in wire 26.That is, photo detector 16 is installed on lead frame 8.
Integrated circuit 41 is electrically connected with light-projecting component 11 and photo detector 16.Integrated circuit 41 is installed on the main body leading part 30 as a part for lead frame 8.Such as, be fixed by chip bonding, and connected up by wire bonding, integrated circuit 41 is installed on lead frame 8.Therefore, lead frame 8 has main body leading part 30, and is connected with integrated circuit 41.Main body leading part 30 is the lead-in wire encapsulated by circuit package portion described later in lead frame 8, is to remove the part beyond the lead-in wire forming multiple splicing ear 50.Aftermentioned to the lead-in wire forming multiple splicing ear 50.
Light-projecting portion 10 is connected with circuit package portion 90 by the 1st light projector lead-in wire the 20 and the 2nd light projector lead-in wire 22.Specifically, light-projecting component 11 is connected with main body leading part 30 by the 1st light projector lead-in wire 20.Light-projecting component 11 is connected with main body leading part 30 by the 2nd light projector lead-in wire 22 and line W11.Because main body leading part 30 is connected with integrated circuit 41, so light-projecting portion 10 is connected with integrated circuit 41 via the 1st light projector lead-in wire the 20 and the 2nd light projector lead-in wire 22.Herein, lower direction (direction that multiple splicing ear 50 stretches out: Y-axis negative direction) is set to the 1st direction.And, the plane parallel with the 1st direction is set to the 1st plane.Particularly, such as, the 1st plane is the plane (XY plane) formed by the surface of multiple splicing ear 50.Now, the 1st light projector lead-in wire the 20 and the 2nd light projector lead-in wire 22 is parallel with the 1st plane, and from circuit package portion 90 to outstanding with the direction that the 1st direction intersects (left direction: X-axis negative direction).And the opposite direction (Y-axis positive dirction) in the 1st light projector lead-in wire the 20 and the 2nd light projector lead-in wire 22 to the 1st directions extends.
Light accepting part 15 is connected with circuit package portion 90 by the 1st light lead-in wire the 24 and the 2nd light lead-in wire 26.Specifically, photo detector 16 is connected with main body leading part 30 by the 1st light lead-in wire 24 and line W12.Because main body leading part 30 is connected with integrated circuit 41, so light accepting part 15 is connected with integrated circuit 41 via the 1st light lead-in wire the 24 and the 2nd light lead-in wire 26.Herein, as shown in Figure 6, by vertical with the optical axis Ax direction of the light from light-projecting portion 10 directive light accepting part 15, and plane C1 is set in the plane that light-projecting portion 10 and the central authorities of light accepting part 15 are passed.1st light lead-in wire the 24 and the 2nd light lead-in wire 26 is parallel with the 1st above-mentioned plane, and the 1st light lead-in wire the 24 and the 2nd light lead-in wire 26 is on the direction intersected with the 1st direction, give prominence to from circuit package portion 90 towards the opposite direction (right direction: X-axis positive dirction) in the outstanding directions of the 1st light projector lead-in wire the 20 and the 2nd light projector lead-in wire 22.Such as, when circuit package portion 90 is rectangular parallelepiped, the 1st light lead-in wire the 24 and the 2nd light lead-in wire 26 is given prominence to from certain surface, and this certain surface and the 1st light projector the 20 and the 2nd light projector that goes between goes between 22 faces of giving prominence in opposite directions.Now do not consider the angle gone between.Bending after 1st light lead-in wire the 24 and the 2nd light lead-in wire 26 only gives prominence to predetermined length from circuit package portion 90, the opposite direction (Y-axis positive dirction) to the 1st direction extends.
As shown in Figure 6, in sensor assembly 5, by by the 1st light projector lead-in wire the 20 and the 2nd light projector lead-in wire the 22, the 1st light lead-in wire the 24 and the 2nd light lead-in wire 26 bending, light-projecting portion 10 and light accepting part 15 are deformed in opposite directions.That is, light accepting part 15 and light-projecting portion 10 are in opposite directions.Although in the example of fig. 6, show the 1st light projector lead-in wire the 20 and the 2nd light projector lead-in wire the 22, the 1st light lead-in wire the 24 and the 2nd light lead-in wire 26 and be bent example once, but the 1st light projector lead-in wire the 20 and the 2nd light projector lead-in wire the 22, the 1st light lead-in wire the 24 and the 2nd light lead-in wire 26 also can repeatedly bend or reverse.To about the detail shape of the 1st light projector lead-in wire the 20 and the 2nd light projector lead-in wire the 22,1st light lead-in wire the 24 and the 2nd light lead-in wire 26 and the feature of bending aftermentioned.
Such as, integrated circuit 41 has IC chip.Integrated circuit 41 is by applying voltage to the grid of the transistor (not shown) be connected with light-projecting component 11, thus electric current flows through light-projecting component 11 and makes it luminous.By like this, integrated circuit 41 controls the luminescence of light-projecting component 11.Integrated circuit 41 has not shown current-to-voltage converting circuit, amplifying circuit, A/D change-over circuit.The photocurrent exported from photo detector 16 is converted to voltage by integrated circuit 41, and by after this voltage amplification, solve as digital value by optical signal value.In addition, integrated circuit 41 is by comparing the magnitude relationship that this is subject to optical signal value and predetermined threshold value, and to photo detector 16, whether light judges.This threshold value is, according between light-projecting portion 10 and light accepting part 15, have the 1st situation of shading object and the result measured under not having the 2nd situation both of these case of shading object by optical signal value draws, the threshold value that effectively can sentence Do the 1st situation and the 2nd situation.Such as, this threshold value is stored in the storer in integrated circuit 41.
Sensor assembly 4,5 has the light-emitting component 42 that work display part 92 is lighted.Integrated circuit 41 is connected with light-emitting component 42 via line W1.Integrated circuit 41, based on the judged result of light, controls light-emitting component 42.Such as, light-emitting component 42 is light emitting diode etc., is installed on main body leading part 30.That is, light-emitting component 42 is installed on lead frame 8.In addition, in the following description, integrated circuit 41 and light-emitting component 42 are generically and collectively referred to as circuit part 40.Integrated circuit 41 process from light accepting part 15 by light signal, when the signal value by light signal be more than above-mentioned threshold value or be less than threshold value, by applying the control signal of predetermined voltage to the grid of the transistor (not shown) be connected with light-emitting component 42, thus light-emitting component 42 is lighted.Light-emitting component 42 is by the action of photoelectric sensor 1, and namely the result of integrated circuit 41 shows.
Integrated circuit 41 is to any one disposal route performed by light signal in following 2 kinds of disposal routes from light accepting part 15.
[the 1st process]
When the signal value by light signal is more than predetermined threshold value, integrated circuit 41 exports the control signal (lighting (ON) signal: such as, the signal of output supply voltage Vcc) that light-emitting component 42 is lighted.When the signal value by light signal is less than predetermined threshold value, integrated circuit 41 exports the control signal (extinguish (OFF) signal: such as, export the signal of 0V) that light-emitting component 42 is extinguished.
[the 2nd process]
When the signal value by light signal is more than predetermined threshold value, integrated circuit 41 exports the control signal (extinguishing (OFF) signal) that light-emitting component 42 is extinguished.When the signal value by light signal is less than predetermined threshold value, integrated circuit 41 exports the control signal (lighting (ON) signal) that light-emitting component 42 is lighted.
< switched terminal >
Integrated circuit 41, according to the voltage of port P1, is carrying out switching between any one process in above-mentioned 1st process and the 2nd process.Whether the voltage of port P1 is cut-off and different according to the teat 46 of supply voltage transmission line 44.With reference to Fig. 8, supply voltage transmission line 44 is line from power source voltage Vcc to port P1 and lead-in wire for transmitting.Supply voltage transmission line 44 has line W2, W3, W4, teat 46, the 1st leading part 32, the 2nd leading part 34.1st leading part 32 and the 2nd leading part 34 are contained in main body leading part 30.That is, main body leading part 30 has the 1st leading part 32 and the 2nd leading part 34.When teat 46 is connected with the 1st leading part 32, the 2nd leading part 34, teat 46, the 1st leading part 32, the 2nd leading part 34 are formed as 1 bar of lead-in wire.That is, lead frame 8 has teat 46, the 1st leading part 32, the 2nd leading part 34.
Power source voltage Vcc puts on power connector end 51 in multiple splicing ear 50.Power connector end 51 is connected with the 1st leading part 32 by line W2, W3.1st leading part 32 is connected with the port P2 of integrated circuit 41 via line W13.Teat 46 is connected with the 1st leading part 32, is projected into the outside in circuit package portion 90.Teat 46 is connected with the 2nd leading part 34.2nd leading part 34 is connected with the port P1 of integrated circuit 41 by line W4.When teat 46 is not cut-off, apply power source voltage Vcc via line W2, W3, the 1st leading part 32, teat 46, the 2nd leading part 34, line W4 to port P1 from power connector end 51.When teat 46 is cut off, the 2nd leading part 34, line W4, port P1 are floating (electrically floating) state (state be not electrically connected with any device) of electricity.That is, port P1 applies the voltage (being such as 0V) beyond power source voltage Vcc.When applying power source voltage Vcc on port P1, integrated circuit 41 performs the arbitrary process in the 1st above-mentioned process and the 2nd process.When port P1 applies the voltage beyond power source voltage Vcc, integrated circuit 41 performs another process in the 1st above-mentioned process and the 2nd process.In addition, the accompanying drawing beyond Fig. 8 illustrates the sensor assembly removing teat 46.
Fig. 9 is the enlarged drawing near teat 46.With reference to Fig. 9, teat 46 is made up of the 1st secondary teat 464, the 2nd secondary teat 466, external connecting 460.1st secondary teat 464 is connected with the 1st leading part 32.2nd secondary teat 466 is connected with the 2nd leading part 34.1st secondary teat 464 and the 2nd secondary teat 466 are given prominence to from the mutually different position in circuit package portion 90.1st secondary teat 464 is connected with the 2nd secondary teat 466 by external connecting 460.External connecting 460 extends from the direction that the 1st secondary teat 464 is different to the direction outstanding from the 1st secondary teat 464.Equally, external connecting 460 extends from the direction that the 2nd secondary teat 466 is different to the direction outstanding from the 2nd secondary teat 466.
Herein, also the 1st secondary teat 464 and the 1st leading part 32 can be generically and collectively referred to as the 1st lead frame.Also the 2nd secondary teat 466 and the 2nd leading part 34 can be generically and collectively referred to as the 2nd lead frame.Sensor assembly 5 is fixed as the 1st state or the 1st secondary teat 464 that the 1st secondary teat 464 is electrically connected with the 2nd secondary teat 466 and the 2nd state that the 2nd secondary teat 466 insulate.The sensor assembly 5 being fixed as the 1st state perform above-mentioned the 1st process and the 2nd process in arbitrary process.The sensor assembly 5 being fixed as the 2nd state perform in the 1st above-mentioned process and the 2nd process another process.
The width of the 1st secondary teat 464 on direction vertical for the direction outstanding with the 1st secondary teat 464 is set to D1.The width of the 2nd secondary teat 466 on direction vertical for the direction outstanding with the 2nd secondary teat 466 is set to D2.On the end face in circuit package portion 90 being extruded with the 1st secondary teat 464 and the 2nd secondary teat 466, the 1st secondary teat 464 and the 2nd secondary teat 466 only separation D3, interval D 3 is width D more than 1 and width D more than 2.Thus, the 1st leading part 32 can not contact because of the burr produced when cutting off and remove teat 46 with the 2nd leading part 34.
And as shown in Figure 8, in above-mentioned the 1st plane (XY plane), teat 46 is configured at the 1st light projector lead-in wire the 20 and the 2nd light projector and goes between 22.In addition, in above-mentioned the 1st plane (XY plane), teat 46 also can be configured at the 1st light lead-in wire the 24 and the 2nd light and go between 26.By like this, when inserting sensor assembly 5, teat 46 is difficult to directly contact with housing 60.Therefore, when inserting sensor assembly 5, prevent from cutting off teat 46 by mistake.
In addition, in the explanation of Fig. 9, illustrate whether to be cut off by teat 46 and switch above-mentioned 1st process and the 2nd situation about processing.Replace, external connecting 460 also can for the other component with electric conductivity different from the 1st secondary teat 464, the 2nd secondary teat 466.Now, also can, by installing or remove external connecting 460, another be switched to process from a process the above-mentioned the 1st process and the 2nd process the process of sensor assembly 5.Also the external connecting 460 as another component different from the 1st secondary teat 464, the 2nd secondary teat 466 as such can be called brace.Such as, the rectangular component of brace to be width be more than D3.
Below, the manufacture method of the sensor assembly utilizing teat 46 is described.Figure 10 is the process flow diagram for the manufacture of above-mentioned sensor assembly 4.First, in step sl, the 1st photoelectric sensor intermediate member is prepared.1st photoelectric sensor intermediate member refers to, is in also not to the sensor assembly (sensor element) with the teat 46 shown in Fig. 8 and Fig. 9 whether cutting off the stage that teat 46 judges.Such as, as following, manufacture the 1st photoelectric sensor intermediate member.First, by chip bonding, light-projecting component 11, photo detector 16, integrated circuit 41, light-emitting component 42 are installed on lead frame 8.Then, between frame, wire bonding is carried out.Then, the injection moulding of resin for generating light-projecting portion 10, light accepting part 15, circuit package portion 90 is carried out.Then, lead frame 8 is not cut off.Then, cut once-forming product from lead frame 8, remove burr.
At the end of step S1, fabricator determines whether a certain position of the teat 46 be made up of the 1st secondary teat 464, the 2nd secondary teat 466, external connecting 460 in the 1st photoelectric sensor intermediate member is cut off (step S2).In step s 2, when determining as cutting off (being yes in step s 2), teat 46 cuts off (step S3) by fabricator.When determining as not cutting off in step s 2 (being no in step s 2), or when carrying out step S3, this manufacture method terminates.
In addition, to passing through above-mentioned brace, the manufacture method of the sensor assembly the 1st secondary teat 464, the 2nd secondary teat 466 connected is described.Figure 11 is the process flow diagram of the another kind of manufacture method of sensor assembly 4.First, in step s 11, the 2nd photoelectric sensor intermediate member is prepared.The difference of the 2nd photoelectric sensor intermediate member and the 1st photoelectric sensor intermediate member is, teat 46 is formed by the 1st secondary teat 464 and the 2nd secondary teat 466, and does not have external connecting 460.The manufacture method of the 2nd photoelectric sensor intermediate member is identical with the manufacture method essence of the 1st above-mentioned photoelectric sensor intermediate member.
At the end of step S11, fabricator prepares the brace (step S12) that the 1st secondary teat 464 can be connected with the 2nd secondary teat 466.As long as brace is formed by the material with electric conductivity, it can be arbitrary component.Below, fabricator determines whether be connected (step S13) with the 2nd secondary teat 466 by secondary for the 1st in the 2nd photoelectric sensor intermediate member teat 464.Such as, in step s 13, when determining as connecting (being yes in step s 13), fabricator, by welding, utilizes brace to be connected (step S14) with the 2nd secondary teat 466 by the 1st secondary teat 464.Determine as in unconnected situation (being no in step s 13) in step s 13, or when carrying out step S14, terminate this manufacture method.
The resin > of < circuit package portion, light-projecting portion, light accepting part
As shown in Figure 6 to 8, encapsulated circuit portion of circuit package portion 90 40.Figure 12 A, 12B are the side view of the sensor assembly 4 of Fig. 7.Figure 12 A is the left view of the sensor assembly 4 of Fig. 7.Figure 12 B is the right view of the sensor assembly 4 of Fig. 7.Figure 12 A, Figure 12 B are shown in broken lines light-projecting component 11, photo detector 16, light-emitting component 42.
With reference to Fig. 7, Fig. 8 and Figure 12, circuit package portion 90 has circuit package main part 91, work display part 92.Circuit package main part 91 encapsulated circuit portion 40.Particularly, with regard to circuit package main part 91, use resin-encapsulated integrated circuit 41.And circuit package main part 91 uses resin-encapsulated light-emitting component 42.Work display part 92 is configured on circuit package main part 91.Work display part 92 and light-emitting component 42 are in opposite directions.That is, the light that the display part 92 that works is formed as light-emitting component 42 is sent is through work display part 92.
Light projector encapsulation part 12, light encapsulation part 17, circuit package portion 48 are formed by the same resin of the light diffusing agent containing same concentrations.Light projector encapsulation part 12, light encapsulation part 17, circuit package portion 48 connect via lead frame 8.With reference to Figure 12 A, when using the positive dirction of Z axis as on direction, the distance H11 from the upper end of light-projecting component 11 to the upper end of light projector abutment portion 13 is than little to the distance H21 of the upper end of circuit package main part 91 from the upper end of light-emitting component 42.In addition, the positive dirction of Z axis is equivalent to the light projector direction of light-projecting component 11, and the positive dirction of Z axis is equivalent to the light emission direction of light-emitting component 42.Therefore, the thickness H11 of light projector abutment portion 13 on the light projector direction of light-projecting component 11 is less than the thickness H21 of circuit package main part 91 on the light emission direction of light-emitting component 42.And, when using the positive dirction of Z axis as on direction, the distance H12 of upper end (rear side node) V1 from the upper end of light projector abutment portion 13 to light projector lens section 14 is less than the thickness H22 the Z-direction of work display part 92.That is, the thickness H12 of light projector lens section 14 on the light projector direction of light-projecting component 11 is less than the thickness H22 of work display part 92 on the light emission direction of light-emitting component 42.Thus, when using the positive dirction of Z axis as on direction, the distance H1 of the upper end V1 from the upper end of light-projecting component 11 to light projector lens section 19 is less to the distance H2 of the upper end of work display part 92 than the upper end from light-emitting component 42.That is, the thickness H1 of light projector encapsulation part 12 on the light projector direction of light-projecting component 11 is less than the thickness H2 that comprise the thickness of work display part 92 of circuit package portion 90 on the light emission direction of light-emitting component 42.In addition, H2 is about 1.5 times of H1.
With reference to Figure 12 B, when using the positive dirction of Z axis as on direction, the distance H31 from the upper end of photo detector 16 to the upper end of light abutment portion 18 is than little to the distance H21 of the upper end of circuit package main part 91 from the upper end of light-emitting component 42.In addition, the negative direction of Z axis be equivalent to photo detector 16 by light direction, and the positive dirction of Z axis is equivalent to the light emission direction of light-emitting component 42.Therefore, less than the thickness H21 of circuit package main part 91 on the light emission direction of light-emitting component 42 by the thickness H31 on light direction at photo detector 16 of light abutment portion 18.Further, when using the positive dirction of Z axis as on direction, the distance H32 of upper end (rear side node) V2 from the upper end of light abutment portion 18 to sensitive lens portion 19 is less than the thickness H22 the Z-direction of work display part 92.That is, less than the thickness H22 of work display part 92 on the light emission direction of light-emitting component 42 by the thickness H32 on light direction at photo detector 16 of sensitive lens portion 19.Thus, when using the positive dirction of Z axis as on direction, the distance H3 of upper end (rear side node) V2 from the upper end of photo detector 16 to sensitive lens portion 19 is less to the distance H2 of the upper end of work display part 92 than the upper end from light-emitting component 42.That is, less than the thickness H2 that comprise the thickness of work display part 92 of circuit package portion 90 on the light emission direction of light-emitting component 42 by the thickness H3 on light direction at photo detector 16 of light encapsulation part 17.In addition, H2 is about 1.5 times of H3.
Herein, in order to improve the sensitivity of photoelectric sensor 1, iting is desirable to be sent by light-projecting component 11 and being tried one's best indiffusion by the light that photo detector 16 receives.On the other hand, in order to improve the visual identification of operator, wish the light diffusion as far as possible that light-emitting component 42 sends.Herein, the thickness H1 of light projector encapsulation part 12 is less than the thickness H2 in circuit package portion 90, and the thickness H3 of light encapsulation part 17 is less than the thickness H2 in circuit package portion 90.Therefore, even if light projector encapsulation part 12, light encapsulation part 17, circuit package portion 48 are formed by the same resin of the light diffusing agent containing same concentrations, in light projector encapsulation part 12 and light encapsulation part 17, also the diffusion of light can be made to diminish, in circuit package portion 90, the diffusion of light can be made to become large.
In addition in order to make light spread not effective degree in visual identification in circuit package portion 90, the concentration of the light diffusing agent in preferred resin is more than 0.3 % by weight.In addition, in order to do not affected the photocurrent of the photo detector 16 of the degree of the sensitivity of photoelectric sensor 1, the concentration of the light diffusing agent in preferred resin is less than 0.7 % by weight.Therefore, the concentration of the light diffusing agent in preferred resin is more than 0.3 % by weight and less than 0.7 % by weight.Ideally, the concentration of the light diffusing agent in resin is 0.5 % by weight.
< splicing ear >
With reference to Fig. 8, multiple splicing ear 50 comprises: above-mentioned power supply terminal 51, ground connection (GND) terminal the 54, the 1st terminal 52, the 3rd terminal 53.Herein, the 1st terminal 52, the 3rd terminal 53 are generically and collectively referred to as the 1st external connection terminals.1st terminal 52 and the 3rd terminal 53 are given prominence to from circuit package portion 90.That is, the 1st external connection terminals is given prominence to from circuit package portion 90.In addition, power supply terminal 51, ground terminal 54 are generically and collectively referred to as the 2nd external connection terminals.Power supply terminal 51 and ground terminal 54 are given prominence to from circuit package portion 90.That is, the 2nd external connection terminals is given prominence to from circuit package portion 90.
Figure 13 is the enlarged drawing of multiple splicing ears 50 and its periphery.With reference to Figure 13, the 1st terminal 52 has: the 1st circuit connecting section 52a, the 1st inner terminal portion 52c, the 1st outer terminal portion 52d.1st circuit connecting section 52a is connected with integrated circuit 41 via line W5.1st circuit connecting section 52a refers to the part of connecting line W5, such as, and illustrated rectangular lead-in wire in fig. 13.In addition, the shape of the 1st circuit connecting section 52a is not limited to the rectangle shown in Figure 13.
1st inner terminal portion 52c extends out from the 1st circuit connecting section 52a.Particularly, the 1st inner terminal portion 52c from the 1st circuit connecting section 52a left direction (X-axis negative direction) and in downward direction (Y-axis negative direction) extend.As shown in figure 13, the upper end of the 1st inner terminal portion 52c is the border with the 1st circuit connecting section 52a.The lower end of the 1st inner terminal portion 52c is lower end PE1 by the 1st through hole 523 and the straight line vertical with the direction (Y-axis negative direction) that the 1st outer terminal portion 52d extends.In addition, the direction that the 1st inner terminal portion 52c extends is not limited to the direction shown in Figure 13.In addition, as long as the width of the part that the shape of the 1st inner terminal portion 52c contacts with circuit package portion 90 (length on the direction that the direction (Y-axis negative direction) extended with the 1st inner terminal portion 52c is perpendicular) is narrower than the width (length on the direction that the direction (Y-axis negative direction) extended with the 1st inner terminal portion 52c is perpendicular) of the lower end of the 1st inner terminal portion 52c, can have any shape.The detailed content of the shape of the 1st inner terminal portion 52c is aftermentioned.
1st outer terminal portion 52d extends out from the 1st inner terminal portion 52c.Particularly, the 1st outer terminal portion 52d is from the 1st inner terminal portion 52c (Y-axis negative direction) extension in downward direction.1st outer terminal portion 52d has the 1st end 52b connecting contrary side, side with the 1st inner terminal portion 52c.1st end 52b has the 2nd through hole 525.2nd through hole 525 is the hole of welding.1st outer terminal portion 52d is of a size of D11 on the direction (X-direction) vertical with the direction that the 1st outer terminal portion 52d stretches out, except near the 1st end 52b with except the part of circle, this constant dimension.
Figure 14 enlargedly show the 1st inner terminal portion 52c.With reference to Figure 14, the 1st inner terminal portion 52c has part 1 521, part 2 522, the 3rd part 524.Part 1 521 has the 1st left half 1521, the 1st right half 2521.Part 2 522 has the 2nd left half 1522, the 2nd right half 2522.The 1st through hole 523 is formed by part 1 521, part 2 522, the 3rd part 524.That is, the 1st inner terminal portion 52c has the 1st through hole 523.
Part 1 521 is the part being positioned at the outside in circuit package portion 90 in the 1st inner terminal portion 52c.Particularly, observe from the direction vertical with above-mentioned 1st plane (XY plane), the upper end of part 1 521 is the part that the trim line in circuit package portion 90 overlaps with the 1st inner terminal portion 52c.1st left half 1521, the 1st right half 2521 are positioned at the outside in circuit package portion 90.1st left half 1521 is the part being positioned at the left side of the 1st through hole 523 in part 1 521.1st right half 2521 is the part being positioned at the right side of the 1st through hole 523 in part 1 521.Part 1 521 is adjacent with the 1st outer terminal portion 52d.That is, the 1st left half 1521, the 1st right half 2521 are adjacent with the 1st outer terminal portion 52d.
Part 2 522 is adjacent with part 1 521, and is positioned at the part of the inside in circuit package portion 90.Particularly, observe from the direction vertical with above-mentioned 1st plane (XY plane), the lower end of part 2 522 is the part that the trim line in circuit package portion 90 overlaps with the 1st inner terminal portion 52c.The upper end of part 2 522 is upper end PE3 by the 1st through hole 523 and the perpendicular straight line in the direction (Y-axis negative direction) extended with the 1st inner terminal portion 52c.2nd left half 1522 is the part being positioned at the left side of the 1st through hole 523 in part 2 522.2nd right half 2522 is the part being positioned at the right side of the 1st through hole 523 in part 2 522.That is, the 2nd left half 1522 is adjacent with the 1st left half 1521 and be positioned at the inside in circuit package portion 90.2nd right half 2522 is adjacent with the 1st right half 2521 and be positioned at the inside in circuit package portion 90.
3rd part 524 is positioned at than the position of part 2 522 closer to the 1st circuit connecting section 52a.That is, the 3rd part 524 is positioned at than the 2nd left half 1522 and the 2nd right half 2522 position closer to the 1st circuit connecting section 52a.Particularly, the upper end of the 3rd part 524 is the border with the 1st circuit connecting section 52a.The lower end of the 3rd part 524 is upper end PE3 by the 1st through hole 523 and the perpendicular straight line in the direction (Y-axis negative direction) extended with the 1st inner terminal portion 52c.
The dimension D 11 of dimension D 12 to the 1 outer terminal portion 52d of 1st left half 1521 on perpendicular direction (X-direction), the direction of stretching out with the 1st inner terminal portion 52c on perpendicular direction (X-direction), the direction of stretching out with the 1st outer terminal portion 52d is short.Equally, the dimension D 11 of dimension D 13 to the 1 outer terminal portion 52d of the 1st right half 2521 on perpendicular direction (X-direction), the direction of stretching out with the 1st inner terminal portion 52c on perpendicular direction (X-direction), the direction of stretching out with the 1st outer terminal portion 52d is short.Herein, the size of part 1 521 on the direction (X-direction) vertical with the direction that the 1st inner terminal portion 52c stretches out is set to D12+D13.Now, the dimension D 12+D13 of part 1 521 on the direction (X-direction) vertical with the direction that the 1st inner terminal portion 52c stretches out is shorter than the dimension D 11 of the 1st outer terminal portion 52d on the direction (X-direction) vertical with the direction that the 1st outer terminal portion 52d stretches out.1st outer terminal portion 52d is the part of carrying out when multiple splicing ear 50 is installed on external circuit welding.As welding the 1st outer terminal portion 52d, heat is to the 1st circuit connecting section 52a conduction.But, because the dimension D 12+D13 of part 1 521 is shorter than the dimension D 11 of the 1st outer terminal portion 52d, be difficult to the 1st circuit connecting section 52a conduction so heat becomes.Thus, prevent line W5 because of heat be cut off.
In addition, the dimension D 14 of the 2nd left half 1522 on the direction (X-direction) vertical with the direction that the 1st inner terminal portion 52c stretches out is the dimension D less than 12 of the 1st left half 1521 on the direction (X-direction) vertical with the direction that the 1st inner terminal portion 52c stretches out.Equally, the dimension D 15 of the 2nd right half 2522 on the direction (X-direction) vertical with the direction that the 1st inner terminal portion 52c stretches out is the dimension D less than 13 of the 1st right half 2521 on the direction (X-direction) vertical with the direction that the 1st inner terminal portion 52c stretches out.Growing with the dimension D 14 of dimension D 16 to the 2 left half 1522 on the direction (X-direction) vertical with the direction that the 1st inner terminal portion 52c stretches out on the direction (X-direction) vertical with the direction that the 1st inner terminal portion 52c stretches out of the boundary member of part 2 522 of 3rd part 524.Equally, the 3rd part 524 is long with the dimension D 15 on the direction (X-direction) vertical with the direction that the 1st inner terminal portion 52c stretches out with dimension D 16 to the 2 right half 2522 on the direction (X-direction) vertical with the direction that the 1st inner terminal portion 52c stretches out of the boundary member of part 2 522 of part 2 522.Herein, the size of part 2 522 on the direction (X-direction) vertical with the direction that the 1st inner terminal portion 52c stretches out is set to D14+D15.Now, the 3rd part 524 is longer than the dimension D 14+D15 of part 2 522 on the direction (X-direction) vertical with the direction that the 1st inner terminal portion 52c stretches out with the dimension D 16 of boundary member on the direction (X-direction) vertical with the direction that the 1st inner terminal portion 52c stretches out of part 2 522.As welding the 1st outer terminal portion 52d, the heat sometimes arriving part 2 522 can be resin melting by what contact with part 2 522.But, because the 3rd part 524 is longer than the dimension D 14+D15 of part 2 522 with the dimension D 16 of the boundary member of part 2 522, though contact with part 2 522 resin melting, the 1st terminal 52 also becomes and is difficult to come off from circuit package portion 90.
Above-mentioned resin is filled with in a part for the 1st through hole 523.The part this being filled with resin is called the 1st hole encapsulation part 93 (with reference to Fig. 8).A part for 1st through hole 523 encapsulates by the 1st hole encapsulation part 93.Conversely, in the 1st through hole 523, there is the part not having potting resin.By inlet (cast gate) the G resin by injection from Fig. 8, carry out wave-shaping circuit encapsulation part 90 by injection moulding.In addition, when the shaping of completing circuit encapsulation part 90, removed by cast gate G, the vestige of cast gate G remains in the surface in circuit package portion 90 as inlet correspondence portion 97.That is, inlet correspondence portion 97 be located at by position corresponding to the inlet G of resin during resin injection moulding circuit package portion 90.As shown in Figure 8, the 1st hole encapsulation part 93 is positioned at the one end in circuit package portion 90, and inlet correspondence portion 97 is located at the other end in circuit package portion 90.Therefore, easily stagnate cavity (bond: bubble) in the 1st through hole 523.If the size of part 1 521 (D12+D13) is long, then air is stopped by the 1st external connection terminals and stops, and then produces bubble.But, because the size (D12+D13) of part 1 521 is shorter than the dimension D 11 of the 1st outer terminal portion 52d, so the probability that air stopped by the 1st external connection terminals can be reduced.Further, if termination width (D12+D13) is little, then stop that the part of bubble reduces, the resin filling deficiency because this bubble produces can be reduced.In addition, preferably, the length of part 1 521 on the direction that the 1st inner terminal portion 52c stretches out is set to, when by the degree not producing burr during resin injection moulding circuit package portion 90.
Below, with reference to Figure 13, the 3rd terminal 53 has the 3rd circuit connecting section 53a, the 3rd inner terminal portion 53c, the 3rd outer terminal portion 53d.3rd circuit connecting section 53a is connected with integrated circuit 41 via the 3rd leading part 36 of a part for line W7, main body leading part 30, line W7, W8.Such as, the 3rd circuit connecting section 53a is the part be connected with line W6, refers to illustrated rectangular lead-in wire in Figure 13.In addition, the shape of the 3rd circuit connecting section 53a is not limited to the rectangle shown in Figure 13.
3rd inner terminal portion 53c extends out from the 3rd circuit connecting section 53a.Particularly, the 3rd inner terminal portion 53c bends advance in the plane from the 3rd circuit connecting section 53a, extends (Y-axis negative direction) in downward direction on one side.As shown in figure 13, the upper end of the 3rd inner terminal portion 53c is the border with the 3rd circuit connecting section 53a.The lower end of the 3rd inner terminal portion 53c is lower end PE2 by the 3rd through hole 533 and the straight line vertical with the direction (Y-axis negative direction) that the 3rd outer terminal portion 53d extends.In addition, the direction that the 3rd inner terminal portion 53c extends is not limited to the direction shown in Figure 13.In addition, as long as the width (length on the direction vertical with the direction (Y-axis negative direction) that the 3rd inner terminal portion 53c extends) of the shape of the 3rd inner terminal portion 53c and the part that circuit package portion 90 contacts is narrower than the width (length in direction (Y-axis negative direction) vertical direction extended with the 3rd inner terminal portion 53c) of the lower end of the 3rd inner terminal portion 53c, can have any shape.The details of the shape of the 3rd inner terminal portion 53c is aftermentioned.
3rd outer terminal portion 53d extends out from the 3rd inner terminal portion 53c.Particularly, the 3rd outer terminal portion 53d is from the 3rd inner terminal portion 53c (Y-axis negative direction) extension in downward direction.3rd outer terminal portion 53d has the 3rd end 53b connecting contrary side, side with the 3rd inner terminal portion 53c.3rd end 53b has the 4th through hole 535.4th through hole 535 is the hole of welding.3rd outer terminal portion 53d is of a size of D21 on the direction (X-direction) vertical with the direction that the 3rd outer terminal portion 53d stretches out, and except near the 3rd end 53b with except the part of circle, this constant dimension.
Figure 14 amplification illustrates the 3rd inner terminal portion 53c.With reference to Figure 14, the 3rd inner terminal portion 53c has the 4th part 531, the 5th part 532, the 6th part 534.4th part 531 has the 4th left half 1531, the 4th right half 2531.5th part 532 has the 5th left half 1532, the 5th right half 2532.The 3rd through hole 533 is formed by the 4th part 531, the 5th part 532, the 6th part 534.That is, the 3rd inner terminal portion 53c has the 3rd through hole 533.
4th part 531 is the part being positioned at the outside in circuit package portion 90 in the 3rd inner terminal portion 53c.Particularly, the direction vertical from the 1st plane (XY plane) with above-mentioned is observed, and the upper end of the 4th part 531 is the part that the trim line in circuit package portion 90 overlaps with the 3rd inner terminal portion 53c.4th left half 1531, the 4th right half 2531 are positioned at the outside in circuit package portion 90.4th left half 1531 is the part being positioned at the left side of the 3rd through hole 533 in the 4th part 531.4th right half 2531 is the part being positioned at the right side of the 3rd through hole 533 in the 4th part 531.4th part 531 is adjacent with the 3rd outer terminal portion 53d.That is, the 4th left half 1531, the 4th right half 2531 are adjacent with the 3rd outer terminal portion 53d.
5th part 532 is adjacent with the 4th part 531 and is positioned at the part of the inside in circuit package portion 90.Particularly, the direction vertical from the 1st plane (XY plane) with above-mentioned is observed, and the lower end of the 5th part 532 is the part that the trim line in circuit package portion 90 overlaps with the 3rd inner terminal portion 53c.The upper end of the 5th part 532 is upper end PE4 by the 3rd through hole 533 and the straight line vertical with the direction (Y-axis negative direction) that the 3rd inner terminal portion 53c extends.5th left half 1532 is the part being positioned at the left side of the 3rd through hole 533 in the 5th part 532.5th right half 2532 is the part being positioned at the right side of the 3rd through hole 533 in the 5th part 532.That is, the 5th left half 1532 is adjacent with the 4th left half 1531, and is positioned at the inside in circuit package portion 90.5th right half 2532 is adjacent with the 4th right half 2531, and is positioned at the inside in circuit package portion 90.
6th part 534 is positioned at than the position of the 5th part 532 closer to the 3rd circuit connecting section 53a.That is, the 6th part 534 is positioned at than the 5th left half 1532 and the 5th right half 2532 position closer to the 3rd circuit connecting section 53a.Particularly, the upper end of the 6th part 534 is the border with the 3rd circuit connecting section 53a.The lower end of the 6th part 534 is upper end PE4 by the 3rd through hole 533 and the straight line vertical with the direction (Y-axis negative direction) that the 3rd inner terminal portion 53c extends.
Dimension D 22 to the 3 outer terminal portion 53d dimension D 21 on direction that 3rd outer terminal portion 53d stretch out vertical direction (X-direction) of 4th left half 1531 on the direction (X-direction) vertical with the direction that the 3rd inner terminal portion 53c stretches out is short.Equally, dimension D 23 to the 3 outer terminal portion 53d dimension D 21 on direction that 3rd outer terminal portion 53d stretch out vertical direction (X-direction) of the 4th right half 2531 on the direction (X-direction) vertical with the direction that the 3rd inner terminal portion 53c stretches out is short.Herein, the size of the 4th part 531 on the direction (X-direction) vertical with the direction that the 3rd inner terminal portion 53c stretches out is set to D22+D23.Now, the dimension D 22+D23 of the 4th part 531 on the direction (X-direction) vertical with the direction that the 3rd inner terminal portion 53c stretches out is shorter than the dimension D 21 of the 3rd outer terminal portion 53d on the direction (X-direction) vertical with the direction that the 3rd outer terminal portion 53d stretches out.3rd outer terminal portion 53d, for when multiple splicing ear 50 is installed on external circuit, carries out the part of welding.As welding the 3rd outer terminal portion 53d, heat is to the 3rd circuit connecting section 53a conduction.But because the dimension D 22+D23 of the 4th part 531 is shorter than the dimension D 21 of the 3rd outer terminal portion 53d, heat is difficult to the 3rd circuit connecting section 53a conduction.By like this, line W6, W7 is prevented to be cut off because of heat.
In addition, the dimension D 24 of the 5th left half 1532 on the direction (X-direction) vertical with the direction that the 3rd inner terminal portion 53c stretches out is the dimension D less than 22 of the 4th left half 1531 on the direction (X-direction) vertical with the direction that the 3rd inner terminal portion 53c stretches out.Equally, the dimension D 25 of the 5th right half 2532 on the direction (X-direction) vertical with the direction that the 3rd inner terminal portion 53c stretches out is the dimension D less than 23 of the 4th right half 2531 on the direction (X-direction) vertical with the direction that the 3rd inner terminal portion 53c stretches out.The dimension D 24 of dimension D 26 to the 5 left half 1532 of 6th part 534 on the direction (X-direction) vertical with the direction that the 3rd inner terminal portion 53c stretches out on the direction (X-direction) vertical with the direction that the 3rd inner terminal portion 53c stretches out is long.Equally, the dimension D 25 of dimension D 26 to the 5 right half 2532 of the 6th part 534 on the direction (X-direction) vertical with the direction that the 3rd inner terminal portion 53c stretches out on the direction (X-direction) vertical with the direction that the 3rd inner terminal portion 53c stretches out is long.Herein, the size of the 5th part 532 on the direction (X-direction) vertical with the direction that the 3rd inner terminal portion 53c stretches out is set to D24+D25.Now, the dimension D 24+D25 of dimension D 26 to the 5 part 532 of the 6th part 534 on the direction (X-direction) vertical with the direction that the 3rd inner terminal portion 53c stretches out on the direction (X-direction) vertical with the direction that the 3rd inner terminal portion 53c stretches out is long.As welding the 3rd outer terminal portion 53d, the heat sometimes arriving the 5th part 532 can be resin melting by what contact with the 5th part 532.But, because the dimension D 24+D25 of dimension D 26 to the 5 part 532 of the 6th part 534 is long, though contact with the 5th part 532 resin melting, the 3rd terminal 53 is also difficult to come off from circuit package portion 90.
Above-mentioned resin is filled with in a part for the 3rd through hole 533.The part being filled with this resin is called the 3rd hole encapsulation part 94 (with reference to Fig. 8).3rd hole encapsulation part 94 encapsulates a part for the 3rd through hole 533.Conversely, there is the part not having potting resin in the 3rd through hole 533.3rd hole encapsulation part 94 is positioned at the one end in circuit package portion 90, and inlet correspondence portion 97 is located at the other end in circuit package portion 90.Therefore, easily stagnate cavity (boid: bubble) in the 3rd through hole 533.If the size (D22+D23) of the 4th part 531 is long, then air is stopped stopping by the 1st external connection terminals, thus produces bubble.But, because the size (D22+D23) of the 4th part 531 is shorter than the dimension D 21 of the 3rd outer terminal portion 53d, so the probability that air stopped by the 1st external connection terminals can be reduced.Further, if termination width (D22+D23) is narrow, then stops that the part of bubble reduces, the problem of the resin filling deficiency produced because of this bubble can be reduced.In addition, preferably, the length of the 4th part 531 on the direction that the 3rd inner terminal portion 53c stretches out is set to, by the degree not producing burr during resin injection moulding circuit package portion 90.
With reference to Figure 13, power supply terminal 51 comprises the 2nd circuit connecting section 51a, the 2nd inner terminal portion 51c, the 2nd outer terminal portion 51d.2nd circuit connecting section 51a is connected with integrated circuit 41 via line W2, W3, the 2nd leading part 34, line W4.2nd inner terminal portion 51c stretches out from the 2nd circuit connecting section 51a.Particularly, the 2nd inner terminal portion 51c stretches out from the 2nd circuit connecting section 51a left direction (X-axis negative direction).2nd outer terminal portion 51d stretches out from the 2nd inner terminal portion 51c.Particularly, the 2nd outer terminal portion 51d from the 2nd inner terminal portion 51c in downward direction (Y-axis negative direction) stretch out.2nd outer terminal portion 51d has the 2nd end 51b connecting contrary side, side with the 2nd inner terminal portion 51c.2nd end 51b has the 5th through hole 515.5th through hole 515 is the hole of welding.The size constant of 2nd outer terminal portion 51d on the direction (X-direction) vertical with the direction that the 2nd outer terminal portion 51d stretches out.
In addition, ground terminal 54 has the 4th circuit connecting section 54a, the 4th inner terminal portion 54c, the 4th outer terminal portion 54d.4th circuit connecting section 54a is connected with integrated circuit 41 via the 1st light lead-in wire 24, line W9.4th inner terminal portion 54c stretches out from the 4th circuit connecting section 54a.Particularly, the 4th inner terminal portion 54c from the 4th circuit connecting section 54a, in downward direction stretch out by (Y-axis negative direction) and right direction (X-axis positive dirction).4th outer terminal portion 54d stretches out from the 4th inner terminal portion 54c.Particularly, the 4th outer terminal portion 54d from the 4th inner terminal portion 54c in downward direction (Y-axis negative direction) stretch out.4th outer terminal portion 54d has the 4th end 54b connecting contrary side, side with the 4th inner terminal portion 54c.4th end 54b has the 6th through hole 545.6th through hole 545 is the hole of welding.The size constant of 4th outer terminal portion 54d on the direction (X-direction) vertical with the direction that the 4th outer terminal portion 54d stretches out.
Herein, the distance of the 2nd through hole 525 and the 1st circuit connecting section 52a is shorter than the distance of the 5th through hole 515 and the 2nd circuit connecting section 51a.Equally, the distance of the 4th through hole 535 and the 3rd circuit connecting section 53a is shorter than the distance of the 5th through hole 515 and the 2nd circuit connecting section 51a.Further, the distance of the 2nd through hole 525 and the 1st circuit connecting section 52a is shorter than the distance of the 6th through hole 545 and the 4th circuit connecting section 54a.Equally, the distance of the 4th through hole 535 and the 3rd circuit connecting section 53a is shorter than the distance of the 6th through hole 545 and the 4th circuit connecting section 54a.In addition, the distance between 2 parts that this place is said is not by the distance on straight line during this 2 part straight lines links, and refers to the bee-line on the lead-in wire connecting these 2 parts.That is, with regard to power supply terminal 51 and ground terminal 54, the distance between end and circuit connecting section, so easily cool when heat is conducted from end to circuit connecting section.But with regard to the 1st terminal 52 and the 3rd terminal 53, the distance between end and circuit connecting section is short, so be difficult to cooling when heat is conducted from end to circuit connecting section.Therefore, by arranging the 1st through hole 523, the 3rd through hole 533 on the 1st terminal 52, the 3rd terminal 53, heat transfer is suppressed.
Further, the surface area of the surface area ratio power supply terminal 51 of the 1st terminal 52, ground terminal 54 is little.In addition, the surface area of the surface area ratio power supply terminal 51 of the 3rd terminal 53, ground terminal 54 is little.Because the surface area of power supply terminal 51 and ground terminal 54 is comparatively large, so easily cool when heat is conducted from end to circuit connecting section.But, because the surface area of the 1st terminal 52 and the 3rd terminal 53 is less, be difficult to cooling when heat is conducted from end to circuit connecting section.Therefore, by arranging the 1st through hole 523, the 3rd through hole 533 on the 1st terminal 52, the 3rd terminal 53, heat conduction is suppressed.
In addition, as described so, the 1st outer terminal portion 52d, the 3rd outer terminal portion 53d extend direction and shape identical.Further, the width of part that contacts with circuit package portion 90 of the 1st inner terminal portion 52c and the 3rd inner terminal portion 53c is narrower than the width of the lower end of the 1st inner terminal portion 52c and the 3rd inner terminal portion 53c.Therefore, the 1st circuit connecting section 52a, the 3rd circuit connecting section 53a can be exchanged.The 1st inner terminal portion 52c, the 3rd inner terminal portion 53c can be exchanged.The 1st outer terminal portion 52d, the 3rd outer terminal portion 53d can be exchanged.The 1st end 52b, the 3rd end 53b can be exchanged.Part 1 521, the 4th part 531 can be exchanged.Part 2 522, the 5th part 532 can be exchanged.The 3rd part 524, the 6th part 534 can be exchanged.The 1st through hole 523, the 3rd through hole 533 can be exchanged.The 1st hole encapsulation part 93, the 3rd hole encapsulation part 94 can be exchanged.
Equally, the direction of the 2nd outer terminal portion 51d, the 4th outer terminal portion 54d extension is also identical.Therefore, the 2nd circuit connecting section 51a, the 4th circuit connecting section 54a can be exchanged.The 2nd inner terminal portion 51c, the 4th inner terminal portion 54c can be exchanged.The 2nd outer terminal portion 51d, the 4th outer terminal portion 54d can be exchanged.
In addition, the shape of the 1st inner terminal portion 52c, the 3rd inner terminal portion 53c might not need to have through hole 523,533.Figure 15 A, Figure 15 B and Figure 15 C, Figure 15 D are the 1st inner terminal portion of the variation that this embodiment is shown and the figure in the 3rd inner terminal portion.Such as, as shown in fig. 15, the 1st terminal 152 also can by having the 1st left half 1521, the 1st inner terminal portion 152c, the 1st circuit connecting section 52a of the 2nd left half 1522, the 1st outer terminal portion 52d formed; 3rd terminal 153 also can by having the 4th left half 1531, the 3rd inner terminal portion 153c, the 3rd circuit connecting section 53a of the 5th left half 1532, the 3rd outer terminal portion 53d formed.In addition, as shown in fig. 15b, the 1st terminal 252 also can by having the 1st right half 2521, the 1st inner terminal portion 252c, the 1st circuit connecting section 52a of the 2nd right half 2522, the 1st outer terminal portion 52d formed; 3rd terminal 253 also can by comprising the 4th right half 2531, the 3rd inner terminal portion 253c, the 3rd circuit connecting section 53a of the 5th right half 2532, the 3rd outer terminal portion 53d formed.Even in this case, also can obtain the effect that can reduce the probability that air is stopped by the 1st external connection terminals as described so, and reduce the effect of resin filling deficiency.
In addition, as shown in figure 15 c, the 1st terminal 352 also can be formed by the 1st inner terminal portion 352c, the 1st circuit connecting section 52a, the 1st outer terminal portion 52d, and the 1st inner terminal portion 352c has the 1st left half 1521, the 2nd left half 1522, the 3rd part 524; 3rd terminal 353 also can be formed by the 3rd inner terminal portion 353c, the 3rd circuit connecting section 53a and the 3rd outer terminal portion 53d, and the 3rd inner terminal portion 353c has the 4th left half 1531, the 5th left half 1532, the 6th part 534.In addition, as shown in figure 15d, the 1st terminal 452 also can be formed by the 1st inner terminal portion 452c, the 1st circuit connecting section 52a and the 1st outer terminal portion 52d, and the 1st inner terminal portion 452c has the 1st right half 2521, the 2nd right half 2522 and the 3rd part 524; 3rd terminal 453 also can be formed by the 3rd inner terminal portion 453c, the 3rd circuit connecting section 53a and the 3rd outer terminal portion 53d, and the 3rd inner terminal portion 453c has the 4th right half 2531, the 5th right half 2532 and the 6th part 534.In this case, not only obtain the effect that can reduce the probability that air is stopped by the 1st external connection terminals, and reduce the effect of resin filling deficiency, but also obtain 1st terminal the 352,452, the 3rd terminal 353,453 when part 2 or the 5th part resin melting and be difficult to the effect come off from circuit package portion 90.
In addition, in photoelectric sensor of the present invention, the 1st terminal can be any one in above-mentioned the 1st terminal 52,152,252,352,452; 3rd terminal can be any one in above-mentioned the 3rd terminal 53,153,253,353,453.
< light projector lead-in wire and light lead-in wire >
The sensor assembly 5 of this embodiment because there is the restriction of the pin configuration of the integrated circuit 41 in circuit package portion 90, and makes light projector lead-in wire 20,22 and light lead-in wire 24,26 give prominence in the lateral direction.In addition, sensor assembly 5 can corresponding flat shape (straight line) type and profile L-shaped shape type these 2 kinds.1st light projector lead-in wire the 20, the 2nd light projector lead-in wire the 22, the 1st light lead-in wire the 24 and the 2nd light lead-in wire 26 has following characteristics.As shown in Figure 7, the 1st light projector lead-in wire 20 has the 1st light projector leading part 202, the 2nd light projector leading part 204, the 3rd light projector leading part 206, the 4th light projector leading part 208 and the 5th light projector leading part 210.
As shown in Figure 6, the 1st light projector leading part 202 from circuit package portion 90 to parallel with above-mentioned 1st plane (XY plane) and outstanding with the direction that above-mentioned 1st direction (Y-axis negative direction) is intersected, and extends to the opposite direction in the 1st direction.Particularly, the 1st light projector leading part 202 has the 1st light projector lead-in wire teat 202a, the 1st kink 202c and the 1st light projector lead-in wire extension 202b.1st light projector lead-in wire teat 202a is from circuit package portion 90 to parallel with the 1st plane and outstanding with the direction that the 1st direction intersects.1st kink 202c links the 1st light projector lead-in wire teat 202a and the 1st light projector lead-in wire extension 202b.The opposite direction (Y-axis positive dirction) of 1st light projector lead-in wire extension 202b from the 1st kink 202c to the 1st direction extends to the 1st outer end 204b of the 2nd light projector leading part 204.The length of the 1st light projector lead-in wire teat 202a is set to, the length (distance of about 0.3 ~ 0.4mm) of the burr produced when can remove injection moulding circuit package portion 90.
2nd light projector leading part 204 has the 1st outer end 204b, the 1st inner end 204a, the 1st line part 204c.1st outer end 204b links the 1st light projector lead-in wire extension 202b and the 1st line part 204c.1st outer end 204b bends.1st line part 204c extends to the 1st inner end 204a from the 1st outer end 204b to the interior direction optical axis direction (X-direction).Herein, interior direction refers to, in the upper direction near above-mentioned plane C1 of optical axis direction (X-direction).In addition, outer direction refers to, away from the direction of above-mentioned plane C1 on optical axis direction (X-direction).1st inner end 204a links the 1st line part 204c and the 3rd light projector leading part 206.1st inner end 204a bends.3rd light projector leading part 206 is connected with the 2nd light projector leading part 204.Particularly, the opposite direction (Y-axis positive dirction) of the 3rd light projector leading part 206 from the 1st inner end 204a to the 1st direction extends to the 2nd inner end 208a of the 4th light projector leading part 208 described later.
4th light projector leading part 208 has the 2nd outer end 208b, the 2nd inner end 208a and the 2nd line part 208c.2nd inner end 208a links the 3rd light projector leading part 206 and the 2nd line part 208c.2nd inner end 208a bends.2nd line part 208c extends to the 2nd outer end 208b from the 2nd inner end 208a to the outer direction optical axis direction (X-direction).With reference to Fig. 7, in order to make light-projecting portion 10 and light accepting part 15 in opposite directions, the 4th light projector leading part 208 is bent by the 1st kink B1.As shown in Figure 6, be bent by the 1st kink B1, observe from the direction vertical with the 1st plane (XY plane), the 1st kink B1 overlaps with the 2nd outer end 208b.As shown in Figure 6, on optical axis direction (X-direction), the 1st inner end 204a is positioned at the position than the 2nd more inner direction of outer end 208b.In addition, in the direction of the optical axis, the 2nd inner end 208a is positioned at the position than the 1st more inner direction of outer end 204b.In order to ensure the bending amount of the 1st kink B1 on the 4th light projector lead-in wire 208, the 3rd light projector leading part 206 is configured at interior direction, just adopts position relationship as such.
2nd outer end 208b links the 2nd line part 208c and the 5th light projector leading part 210.2nd outer end 208b bends.5th light projector leading part 210 is connected with the 2nd outer end 208b.5th light projector leading part 210 while the opposite direction (Y-axis positive dirction) to the 1st direction bends, extends to light-projecting portion 10 from the 2nd outer end 208b.
With reference to Fig. 6 and Fig. 7, the 2nd light projector lead-in wire 22 is positioned at the position in the direction of the 1st light projector lead-in wire 20 on optical axis direction (X-direction).2nd light projector lead-in wire 22 has the 6th light projector leading part 222, the 3rd kink 223, the 7th light projector leading part 224, the 4th kink 225, the 8th light projector leading part 226, the 5th kink 227, the 9th light projector leading part 228, the 6th kink 229, the 10th light projector leading part 230, the 7th kink 231, the 11st light projector leading part 232, the 8th kink 233, the 12nd light projector leading part 234.
6th light projector leading part 222 from circuit package portion 90 to parallel with the 1st plane (XY plane) and outstanding with the direction that above-mentioned 1st direction (Y-axis negative direction) intersects, and extends to the opposite direction in the 1st direction.Particularly, the 6th light projector leading part 222 has the 6th light projector lead-in wire teat 222a, the 2nd kink 222c, the 6th light projector lead-in wire extension 222b.6th light projector lead-in wire teat 222a is from circuit package portion 90 to parallel with the 1st plane and outstanding with the direction that the 1st direction intersects.2nd kink 222c links the 6th light projector lead-in wire teat 222a and the 6th light projector lead-in wire extension 222b.The opposite direction (Y-axis positive dirction) of 6th light projector lead-in wire extension 222b from the 2nd kink 222c to the 1st direction extends to the 3rd kink 223.The length of the 6th light projector lead-in wire teat 222a is set to, the length (distance of about 0.3 ~ 0.4mm) of the burr produced when can remove injection moulding circuit package portion 90.As shown in Figure 6, distance D1 between 2nd light projector lead-in wire the 22 and the 1st light projector leading part 202 (particularly, be the distance D1 that the 6th light projector lead-in wire extension 222b go between extension 202b with the 1st light projector) be divided into mutually, the 1st light projector go between 20 and the 2nd light projector go between and 22 can guarantee in mutually non-touching mode the distance that insulate.
3rd kink 223 links the 6th light projector leading part 222 and the 7th light projector leading part 224.7th light projector leading part 224 is from the 3rd kink 223 to the opposite direction of above-mentioned 1st direction (Y-axis negative direction) and inward direction extends to the 4th kink 225.7th light projector leading part 224 is equivalent to the light projector rake tilted in the mode that the distance in the direction of the optical axis and between the 1st light projector leading part 202 expands.
4th kink 225 links the 7th light projector leading part 224 and the 8th light projector leading part 226.8th light projector leading part 226 is connected with the 7th light projector leading part 224.Particularly, the opposite direction (Y-axis positive dirction) of the 8th light projector leading part 226 from the 4th kink 225 to the 1st direction extends to the 5th kink 227.As shown in Figure 6, distance D2 between 2nd light projector lead-in wire the 22 and the 3rd light projector leading part 206 (particularly, be the distance D2 between the 8th light projector leading part 226 with the 3rd light projector leading part 206) be divided into mutually, the 1st light projector lead-in wire 20 and the 2nd light projector go between and 22 can guarantee in mutually non-touching mode the distance that insulate.And the distance D1 that the distance D2 between the 2nd light projector lead-in wire the 22 and the 3rd light projector leading part 206 goes between the 22 and the 1st light projector leading part 202 than the 2nd light projector is short.This is the bending amount in order to guarantee the 1st kink B1 described later on the 4th light projector lead-in wire 208, and the 3rd light projector leading part 206 is configured at interior direction as much as possible.
5th kink 227 links the 8th light projector leading part 226 and the 9th light projector leading part 228.9th light projector leading part 228 extends to the 6th kink 229 from the 5th kink 227 to the outer direction (the 7th light projector leading part 224 is in the opposite direction in the direction of optical axis direction (X-direction) surface thereof) optical axis direction (X-direction).6th kink 229 links the 9th light projector leading part 228 and the 10th light projector leading part 230.10th light projector leading part 230 is connected with the 9th light projector leading part 228.Particularly, the opposite direction (Y-axis positive dirction) of the 10th light projector leading part 230 from the 6th kink 229 to the 1st direction extends to the 7th kink 231.7th kink 231 links the 10th light projector leading part 230 and the 11st light projector leading part 232.11st light projector leading part 232 is from the 7th kink 231 to the opposite direction of above-mentioned 1st direction (Y-axis negative direction) and inward direction extends to the 8th kink 233.11st light projector leading part 232 with in the direction of the optical axis and the mode that expands of the distance that goes between 20 of the 1st light projector tilt.8th kink 233 links the 11st light projector leading part 232 and the 12nd light projector leading part 234.12nd light projector leading part 234 is connected with the 8th kink 233, and the opposite direction (Y-axis positive dirction) to the 1st direction extends to light-projecting portion 10.
As shown in Fig. 6 and Fig. 7, the 1st light lead-in wire 24 has the 1st light leading part 242, the 2nd light leading part 244, the 3rd light leading part 246, the 4th light leading part 248, the 5th light leading part 250.
As shown in Figure 6,1st light leading part 242 from circuit package portion 90 parallel with the 1st plane (XY plane) and the direction intersected with the 1st direction (Y-axis negative direction), the opposite direction in the direction outstanding to the 1st light projector lead-in wire the 20 and the 2nd light projector lead-in wire 22 is outstanding.Particularly, the 1st light leading part 242 comprises the 1st light lead-in wire teat 242a, the 9th kink 242c, the 1st light lead-in wire extension 242b.1st light lead-in wire teat 242a is from circuit package portion 90 to parallel with the 1st plane and be projected into the 1st kink 202c with the direction that the 1st direction intersects.1st kink 202c links the 1st light lead-in wire teat 242a and the 1st light lead-in wire teat 242a.The opposite direction (Y-axis positive dirction) of 1st light lead-in wire extension 242b from the 1st kink 202c to the 1st direction extends to the outer end 244b of the 2nd light leading part 244.The length of the 1st light lead-in wire teat 242a is set to, the length (distance of about 0.3 ~ 0.4mm) of the burr produced when can remove injection moulding circuit package portion 90.
2nd light leading part 244 has the 3rd outer end 244b, the 3rd inner end 244a, the 3rd line part 244c.3rd outer end 244b links the 1st light lead-in wire extension 242b and the 3rd line part 244c.3rd outer end 244b bends.3rd line part 244c extends to the 3rd inner end 244a from the 3rd outer end 244b to the interior direction of optical axis direction (X-direction).3rd inner end 244a links the 3rd line part 244c and the 3rd light leading part 246.3rd inner end 244a bends.3rd light leading part 246 is connected with the 2nd light leading part 244.Particularly, the opposite direction (Y-axis positive dirction) of the 3rd light leading part 246 from the 3rd inner end 244a to the 1st direction extends to the 4th inner end 248a of the 4th light leading part 248 described later.
4th light leading part 248 has the 4th outer end 248b, the 4th inner end 248a, the 4th line part 248c.4th inner end 248a links the 3rd light leading part 246 and the 4th line part 248c.4th inner end 248a bends.4th line part 248c extends to the 4th outer end 248b from the 4th inner end 248a to the outer direction of optical axis direction (X-direction).With reference to Fig. 7, in order to make light-projecting portion 10 and light accepting part 15 in opposite directions, the 4th light leading part 248 is bent by the 2nd kink B2.As shown in Figure 6, be bent by the 2nd kink B2, observe from the direction vertical with the 1st plane (XY plane), the 2nd kink B2 overlaps with the 4th outer end 248b.As shown in Figure 6, on optical axis direction (X-direction), the inner end 244a of the 2nd light leading part 244 is positioned at the position than the 4th more inner direction of outer end 248b.In addition, in the direction of the optical axis, the 4th inner end 248a is positioned at the position than the 3rd more inner direction of outer end 244b.In order to guarantee the bending amount of the 2nd kink B2 in the 4th light leading part 248, the 3rd light leading part 246 is configured at interior direction, just adopt position relationship as such.
4th outer end 248b links the 4th line part 248c and the 5th light leading part 250.4th outer end 248b bends.5th light leading part 250 is connected with the 4th outer end 248b.5th light leading part 250 while the opposite direction (Y-axis positive dirction) to the 1st direction bends, extends to light accepting part 15 from the 4th outer end 248b.
With reference to Fig. 6 and Fig. 7, on optical axis direction (X-direction), the 2nd light lead-in wire 26 is positioned at the position in the direction of the 1st light lead-in wire 24.2nd light lead-in wire 26 comprises the 6th light leading part 262, the 11st kink 263, the 7th light leading part 264, the 12nd kink 265, the 8th light leading part 266, the 13rd kink 267, the 9th light leading part 268, the 14th kink 269, the 10th light leading part 270, the 15th kink 271, the 11st light leading part 272, the 16th kink 273, the 12nd light leading part 274.
Parallel with the 1st plane (XY plane) and on the direction intersected with above-mentioned 1st direction (Y-axis negative direction), the opposite direction in the direction that the 6th light leading part 262 is outstanding to the 1st light projector lead-in wire the 20 and the 2nd light projector lead-in wire 22 from circuit package portion 90 is given prominence to, and extends to the opposite direction in the 1st direction.Particularly, the 6th light leading part 262 has the 6th light lead-in wire teat 262a, the 10th kink 262c, the 6th light lead-in wire extension 262b.Parallel with the 1st plane and on the direction intersected with the 1st direction, the opposite direction in the direction that the 6th light lead-in wire teat 262a is outstanding to the 1st light projector lead-in wire the 20 and the 2nd light projector lead-in wire 22 from circuit package portion 90 is outstanding.10th kink 262c links the 6th light lead-in wire teat 262a and the 6th light lead-in wire extension 262b.6th light lead-in wire extension 262b extends to the 11st kink 263 from the 10th kink 262c to the opposite direction in the 1st direction.The length of the 6th light lead-in wire teat 262a is only set to, the length (distance of about 0.3 ~ 0.4mm) of the burr produced when can remove injection moulding circuit package portion 90.As shown in Figure 6, distance D3 between 2nd light lead-in wire the 26, the 1st light leading part 242 (particularly, be the distance D3 that the 6th light lead-in wire extension 262b go between extension 242b with the 1st light) be divided into mutually, the 1st light go between 20 and the 2nd light go between and 22 can guarantee in mutually non-touching mode the distance that insulate.
11st kink 263 links the 6th light leading part 262 and the 7th light leading part 264.7th light leading part 264 is from the 11st kink 263 to the opposite direction of above-mentioned 1st direction (Y-axis negative direction), and inward direction extends to the 12nd kink 265.7th light leading part 264 is equivalent to the light projector rake tilted in the mode that the distance in the direction of the optical axis and between the 6th light leading part 262 expands.
12nd kink 265 links the 7th light leading part 264 and the 8th light leading part 266.8th light leading part 266 is connected with the 7th light leading part 264.Particularly, the opposite direction (Y-axis positive dirction) of the 8th light leading part 266 from the 12nd kink 265 to the 1st direction extends to the 13rd kink 267.As shown in Figure 6, distance D4 between 2nd light lead-in wire the 26 and the 3rd light leading part 246 (particularly, be the distance D4 between the 8th light leading part 266 with the 3rd light leading part 246) be divided into mutually, the 1st light lead-in wire 20 and the 2nd light go between and 22 can guarantee in mutually non-touching mode the distance that insulate.And the distance D3 that the distance D4 between the 2nd light lead-in wire the 26 and the 3rd light leading part 246 goes between the 26 and the 1st light leading part 242 than the 2nd light is short.This, in order to guarantee the bending amount of the 2nd kink B2 described later in the 4th light leading part 248, the 3rd light leading part 246 is configured at interior direction as much as possible.
13rd kink 267 links the 8th light leading part 266 the 9th light leading part 268.9th light leading part 268 extends to the 14th kink 269 from the 13rd kink 267 to the outer direction (the 7th light leading part 264 is in the opposite direction in the direction of optical axis direction (X-direction) surface thereof) optical axis direction (X-direction).14th kink 269 links the 9th light leading part 268 and the 10th light leading part 270.10th light leading part 270 is connected with the 9th light leading part 268.Particularly, the opposite direction (Y-axis positive dirction) of the 10th light leading part 270 from the 14th kink 269 to the 1st direction extends to the 15th kink 271.15th kink 271 links the 10th light leading part 270 and the 11st light leading part 272.11st light leading part 272 is from the 15th kink 271 to the opposite direction of above-mentioned 1st direction (Y-axis negative direction) and inward direction extends to the 16th kink 273.11st light leading part 272 with in the direction of the optical axis and the mode that expands of the distance that goes between 24 of the 1st light tilt.16th kink 273 links the 11st light leading part 272 and the 12nd light leading part 274.12nd light leading part 274 is connected with the 8th kink 233, and extends to light-projecting portion 10 to the opposite direction (Y-axis positive dirction) in the 1st direction.
In order to make light-projecting portion 10 and light accepting part 15 as shown in Figure 6 from the once-forming product (sensor assembly 4) of the sensor assembly 5 shown in Fig. 7 in opposite directions, the 1st light projector lead-in wire the 20 and the 2nd light projector lead-in wire 22 is bent along the 1st folding line L1.1st light lead-in wire the 24 and the 2nd light lead-in wire 26 is bent along the 2nd folding line L2.1st folding line L1 is parallel to 2nd direction (Y direction) vertical with optical axis.2nd folding line L2 is also parallel to the 2nd direction (Y direction).Particularly, the 4th light projector leading part 208 has the 1st kink B1 be bent along the 1st folding line L1.4th light leading part 248 has the 2nd kink B2 be bent along the 2nd folding line L2.9th light projector leading part 228 has the 3rd kink B3 be bent along the 1st folding line L1.9th light leading part 268 has the 4th kink B4 be bent along the 2nd folding line L2.
As shown in Figure 7, at the 20 and the 2nd light projector lead-in wire 22 that do not gone between by the 1st light projector, along the 1st folding line L1 bending, under being launched into flat situation, the 1st light projector lead-in wire 20 be unfolded and the 2nd light projector lead-in wire 22 be unfolded are the shape through the 1st folding line L1.At the 24 and the 2nd light lead-in wire 26 that the 1st light do not gone between, along the 2nd folding line L2 bending, under being launched into flat situation, the 1st light lead-in wire 24 be unfolded and the 2nd light lead-in wire 26 be unfolded are the shape through the 2nd folding line L2.
In addition, the 1st light projector lead-in wire the 20, the 2nd light projector lead-in wire the 22, the 1st light lead-in wire the 24 and the 2nd light lead-in wire 26 has the width (such as, more than 0.5mm) can guaranteeing to bend or support light-projecting portion 10, sufficient intensity needed for light accepting part 15.In addition, in order to ensure above-mentioned intensity, preferably the 1st light projector lead-in wire the 20, the 2nd light projector lead-in wire the 22, the 1st light lead-in wire the 24 and the 2nd light lead-in wire 26 is formed by aldary, gold, iron, nickel alloy.In addition, the 5th light projector leading part 210 and the 8th light projector leading part 226 distance are in the direction of the optical axis than longitudinal width D 31 of light projector housing section 62 and transverse width D32 sum little (with reference to Fig. 2).In addition, the 5th light leading part 250 and the 8th light leading part 266 distance in the direction of the optical axis less with transverse width D33 sum than longitudinal width D 31 of light housing section 63 (with reference to Fig. 2).Like this, can hold respectively in the light projector housing section 62 meeting industrywide standard and light housing section 63 light projector lead-in wire 20,22, light lead-in wire 24,26.
In addition, a shape only example of the 1st light projector lead-in wire the 20, the 2nd light projector lead-in wire the 22, the 1st light lead-in wire the 24 and the 2nd light lead-in wire 26 that Fig. 6 to Fig. 8 enumerates, as long as the 1st light projector lead-in wire the 20, the 2nd light projector lead-in wire the 22, the 1st light lead-in wire the 24 and the 2nd light lead-in wire 26 meets 4 following conditions, other shape also can be had.
[condition 1], under the state launching the 1st light projector lead-in wire 20 as shown in Figure 7, the 1st light projector lead-in wire 20 is less than longitudinal width D 31 of the light projector housing section 62 shown in Fig. 2 with folding line L1 ultimate range in the X-axis direction (the 5th light projector leading part 210 and folding line L1 distance in the X-axis direction).
[condition 2], under the state launching the 2nd light projector lead-in wire 22 as shown in Figure 7, the 2nd light projector lead-in wire 22 is less than the transverse width D32 of the light projector housing section 62 shown in Fig. 2 with folding line L1 ultimate range in the X-axis direction (the 8th light projector leading part 226 and folding line L1 distance in the X-axis direction).
[condition 3], under the state launching the 1st light lead-in wire 24 as shown in Figure 7, the 1st light lead-in wire 24 is less than longitudinal width D 31 of the light housing section 63 shown in Fig. 2 with folding line L2 ultimate range in the X-axis direction (the 5th light leading part 250 and folding line L2 distance in the X-axis direction).
[condition 4], under the state launching the 2nd light lead-in wire 26 as shown in Figure 7, the 2nd light lead-in wire 26 is less than the transverse width D33 of the light housing section 63 shown in Fig. 2 with folding line L2 ultimate range in the X-axis direction (the 8th light leading part 266 and folding line L2 distance in the X-axis direction).
Figure 16 is the planimetric map of the variation 5a of sensor assembly.Figure 17 is the planimetric map of the once-forming product of the variation 5a of the sensor assembly that Figure 16 is shown.In other words, Figure 17 is the stretch-out view of the variation 5a of Figure 16.In the following description, flat sensor assembly 5a will be launched into as sensor assembly 4a shown in Figure 17.At Figure 16, Tu17Zhong, identical Reference numeral is noted to the structure identical with each structure shown in Fig. 6, Fig. 7, and omits the description.
With reference to Figure 16 and Figure 17, sensor assembly 5a, there is the 1st light projector lead-in wire the 21, the 2nd light projector lead-in wire the 23, the 1st light lead-in wire the 25, the 2nd light lead-in wire 27.1st light projector lead-in wire the 21, the 2nd light projector lead-in wire the 23, the 1st light lead-in wire the 25, the 2nd light lead-in wire 27 is tabular.1st light projector lead-in wire the 21 and the 2nd light projector lead-in wire 23 is connected with light-projecting portion 10, circuit package portion 90.1st light projector lead-in wire the 21 and the 2nd light projector lead-in wire 23 is from circuit package portion 90 to parallel with the 1st above-mentioned plane (XY) and outstanding with the direction that above-mentioned 1st direction intersects (left direction: X-axis negative direction).And the opposite direction (Y-axis positive dirction) in the 1st light projector lead-in wire the 21 and the 2nd light projector lead-in wire 23 to the 1st directions extends.1st light lead-in wire the 25 and the 2nd light lead-in wire 27 is connected with light accepting part 15, circuit package portion 90.1st light lead-in wire the 25 and the 2nd light lead-in wire 27 from circuit package portion 90 to parallel with the 1st above-mentioned plane and with the direction that the 1st direction intersects, the 1st light projector the go between opposite direction (right direction: X-axis positive dirction) in 23 outstanding directions of the 21 and the 2nd light projector that go between is outstanding.Such as, when circuit package portion 90 is rectangular parallelepiped, the 1st light lead-in wire the 25 and the 2nd light lead-in wire 27 is from outstanding with the 1st light projector the 21 and the 2nd light projector 23 faces in opposite directions, face of giving prominence to that go betweens that go betweens.Now do not consider the angle gone between.And the opposite direction (Y-axis positive dirction) in the 1st light lead-in wire the 25 and the 2nd light lead-in wire 27 to the 1st directions extends.1st light projector lead-in wire the 21 and the 2nd light projector lead-in wire the 23, the 1st light lead-in wire the 25 and the 2nd light lead-in wire 27 is deformed into and makes light-projecting portion 10 and light accepting part 15 in opposite directions.
As shown in figure 16, the 1st light projector lead-in wire 21 has the 1st light projector leading part 202, the 17th light projector leading part 205, the 18th light projector leading part 266d, the 13rd kink 267, the 19th light projector leading part 268d, the 14th kink 269, the 20th light projector leading part 270d, the 15th kink 271, the 21st light projector leading part 272d, the 16th kink 273, the 22nd light projector leading part 274d.Herein from the 18th light projector leading part 266d to identical from the shape of the 8th light leading part 266 to the 11 light leading part 272 with Fig. 7 of the shape of the 22nd light projector leading part 274d.In addition, the 1st light projector leading part 202 is also identical with the shape of the 1st light projector leading part 202 of Fig. 7.Therefore, only have the 17th light projector leading part 205 and being very different of illustrating before, therefore be described following.
17th light projector leading part 205 has the 5th outer end 205b, the 5th inner end 205a, the 5th line part 205c.5th inner end 205a links the 1st light projector lead-in wire extension 202b and the 5th line part 204g.5th inner end 205a bends.5th line part 204g extends to the 5th outer end 205b from the 5th inner end 205a to the outer direction optical axis direction (X-direction).5th outer end 205b links the 5th line part 205c, the 18th light projector leading part 266d.5th outer end 205b bends.18th light projector leading part 266d is connected with the 17th light projector leading part 205.Particularly, the opposite direction (Y-axis positive dirction) of the 18th light projector leading part 266d from the 5th outer end 205b to the 1st direction extends to the 13rd kink 267.Extend to the interior direction optical axis direction (X-direction) from the 13rd kink 267 with reference to Figure 16, the 19th light projector leading part 268d.As shown in figure 16, on optical axis direction (X-direction), the 5th inner end 205a is positioned at the direction of the 13rd kink 267 (being equivalent to the outer end of the 19th light projector leading part 268d).In addition, in the direction of the optical axis, the 14th kink 269 being equivalent to the inner end of the 19th light projector leading part 268d is positioned at the direction of the 5th outer end 205b.In order to guarantee the bending amount of the 1st kink B1 in the 19th light projector leading part 268d, the 18th light projector leading part 266d is configured at outer direction, just adopt position relationship as such.
With reference to Figure 16 and Figure 17, the 2nd light projector lead-in wire 23 is positioned at the direction of the 1st light projector lead-in wire 21 on optical axis direction (X-direction).2nd light projector lead-in wire 23 has the 6th light projector leading part 222, the 23rd light projector leading part 244d, the 24th light projector leading part 246d, the 25th light projector leading part 248d, the 26th light projector leading part 250d.Herein, from the 23rd light projector leading part 244d to identical from the shape of the 2nd light leading part 244 to the 5 light leading part 250 with Fig. 7 of the shape of the 26th light projector leading part 250d.In addition, the 6th light projector leading part 222 is identical with the shape of the 6th light projector leading part 222 of Fig. 7.
As shown in figure 16, the 1st light lead-in wire 24 has the 1st light leading part 242, the 17th light leading part 245, the 18th light leading part 226d, the 5th kink 227, the 19th light leading part 228d, the 6th kink 229, the 20th light leading part 230d, the 7th kink 231, the 21st light leading part 232d, the 8th kink 233, the 22nd light leading part 234d.Herein, identical from the shape of the 8th light projector leading part 226 to the 12 light projector leading part 234 from the 18th light leading part 226d to the shape of the 22nd light leading part 234d and Fig. 7.Therefore, only have the 17th light leading part 245 with illustrate before have a great difference, therefore to be described following.
17th light leading part 245 has the 6th outer end 245b, the 6th inner end 245a, the 6th line part 245c.6th inner end 245a links the 1st light projector lead-in wire extension 242b and the 6th line part 245c.6th inner end 245a bends.6th line part 245c extends to the 6th outer end 245b from the 6th inner end 245a to the outer direction optical axis direction (X-direction).6th outer end 245b links the 6th line part 245c and the 18th light leading part 226d.6th outer end 245b bends.18th light leading part 226d is connected with the 17th light leading part 245.Particularly, the opposite direction (Y-axis positive dirction) of the 18th light leading part 226d from the 6th outer end 245b to the 1st direction extends to the 5th kink 227.19th light leading part 228d extends from the 5th kink 227 to the interior direction optical axis direction (X-direction).As shown in figure 16, on optical axis direction (X-direction), the 6th inner end 245a is positioned at 5th kink 227 direction suitable with the outer end of the 19th light leading part 228d.In addition, in the direction of the optical axis, the 6th suitable with the inner end of the 19th light leading part 228d kink 229 is positioned at the 6th 245b direction, outer end.In order to guarantee the bending amount of the 2nd kink B2 in the 19th light leading part 228d, the 18th light leading part 226d is configured at outer direction, just adopt position relationship as such.
With reference to Figure 16 and Figure 17, the 2nd light lead-in wire 27 is positioned at the direction of the 1st light lead-in wire 25 on optical axis direction (X-direction).2nd light lead-in wire 27 has the 6th light leading part 262, the 23rd light leading part 204d, the 24th light leading part 206d, the 25th light leading part 208d, the 26th light leading part 210d.Herein, from the 23rd light leading part 204d to identical from the shape of the 2nd light projector leading part 204 to the 5 light projector leading part 210 with Fig. 7 of the shape of the 26th light leading part 210d.In addition, the 6th light leading part 262 is also identical with the 6th light leading part 262 shape of Fig. 7.
Make Figure 16 in order to the once-forming product (sensor assembly 4a) with the sensor assembly 5 shown in Figure 17 and make light-projecting portion 10 and light accepting part 15 product in opposite directions like that, the 1st light projector lead-in wire the 21, the 2nd light projector lead-in wire 23 is bent along the 1st folding line L1.1st light lead-in wire the 25, the 2nd light lead-in wire 27 is bent along the 2nd folding line L2.1st folding line L1 is parallel to 2nd direction (Y direction) vertical with optical axis.2nd folding line L2 is also parallel with the 2nd direction (Y direction).Particularly, the 19th light projector leading part 268d has the 1st kink B1 be bent along the 1st folding line L1.19th light leading part 228d has the 2nd kink B2 be bent along the 2nd folding line L2.25th light projector leading part 248d has the 3rd kink B3 be bent along the 1st folding line L1.25th light leading part 208d has the 4th kink B4 be bent along the 2nd folding line L2.
As shown in figure 17, do not bending the 1st light projector lead-in wire the 21 and the 2nd light projector lead-in wire 23 and under being launched into flat situation along the 1st folding line L1, the 1st light projector lead-in wire 21 be unfolded and the 2nd light projector lead-in wire 23 be unfolded are the shape through the 1st folding line L1.Do not bending the 1st light lead-in wire the 25 and the 2nd light lead-in wire 27 and in the flat situation of flare up along the 2nd folding line L2, the 1st light lead-in wire 25 be unfolded and the 2nd light lead-in wire 27 be unfolded are the shape through the 2nd folding line L2.
Due in this shape, the shape of the 1st light projector leading part 202, the 6th light projector leading part 222, the 1st light leading part 242, the 6th light leading part 262 is identical, so light projector lead-in wire 20,22 and light lead-in wire 24,26 are configured to only to be separated by with circuit package portion 90 burr produced when can remove injection moulding circuit package portion 90 degree, the distance of about 0.3 ~ 0.4mm.In addition, as learnt from Figure 16, due to the 1st light projector lead-in wire the 21 and the 2nd light projector go between 23 spacing obviously large than the space D 2 of Fig. 6, so the 1st light projector lead-in wire 21 and the 2nd light projector go between and 23 can guarantee in mutually non-touching mode the spacing that insulate apart.Equally, due to the 1st light lead-in wire the 25 and the 2nd light go between 27 spacing obviously large than the space D 4 of Fig. 6, so the 1st light lead-in wire 25 and the 2nd light go between and 27 can guarantee in mutually non-touching mode the spacing that insulate apart.Further, as long as the 1st light projector lead-in wire the 21, the 2nd light projector lead-in wire the 23, the 1st light lead-in wire the 25 and the 2nd light lead-in wire 27 has the width (such as, more than 0.5mm) can guaranteeing to bend or support light-projecting portion 10, sufficient intensity needed for light accepting part 15.Further, in order to ensure above-mentioned intensity, preferably the 1st light projector lead-in wire the 21, the 2nd light projector lead-in wire the 23, the 1st light lead-in wire the 25 and the 2nd light lead-in wire 27 is formed by aldary, gold, iron, nickel alloy.In addition, preferably the 1st light projector lead-in wire the 21, the 2nd light projector lead-in wire the 23, the 1st light lead-in wire the 25 and the 2nd light lead-in wire 27 meets above-mentioned [condition 1] ~ [condition 4].By like this, the sensor assembly 5 making projection and accepted light lead-in wire outstanding from the side in circuit package portion 90 can be realized.
Below, to making the sensor assembly 4 of Fig. 7 situation corresponding with profile L-shaped shape type be described.With reference to Fig. 7, when corresponding with profile L-shaped shape type, except except folding line L1, L2 bending the 1st light projector lead-in wire the 20, the 2nd light projector lead-in wire the 22, the 1st light lead-in wire the 24 and the 2nd light lead-in wire 26, also bend the 1st light projector lead-in wire the 20, the 2nd light projector lead-in wire the 22, the 1st light lead-in wire the 24 and the 2nd light lead-in wire 26 along the 3rd folding line L3 and the 4th folding line L4.Figure 18 is the right view observing sensor assembly from optical axis direction when being L-shaped by projection and accepted light wire kink.With reference to Fig. 7 and Figure 18, the 1st light projector lead-in wire the 20, the 2nd light projector lead-in wire the 22, the 1st light lead-in wire the 24 and the 2nd light lead-in wire 26 bends 45 degree at the 4th folding line L4 place from above-mentioned the 1st plane (XY plane).1st light projector lead-in wire the 20, the 2nd light projector lead-in wire the 22, the 1st light lead-in wire the 24 and the 2nd light lead-in wire 26 has kink B6, B8, B10, B12 as the part bent along the 4th folding line L4 respectively.With regard to the 1st light projector lead-in wire the 20, the 2nd light projector lead-in wire the 22, the 1st light lead-in wire the 24 and the 2nd light lead-in wire 26, bend 45 degree at the 3rd folding line L3 again from the 1st light projector lead-in wire the 20, the 2nd light projector lead-in wire the 22, the 1st light lead-in wire the 24 and the 2nd light lead-in wire 26 bent at the 4th folding line L4.1st light projector lead-in wire the 20, the 2nd light projector lead-in wire the 22, the 1st light lead-in wire the 24 and the 2nd light lead-in wire 26 has kink B5, B7, B9, B11 as the part bent along the 3rd folding line L3 respectively.That is, the 1st light projector lead-in wire the 20, the 2nd light projector lead-in wire the 22, the 1st light lead-in wire the 24 and the 2nd light lead-in wire 26 the 3rd folding line L3 is bent is vertical with the 1st plane (XY plane).In addition, in the following description, the sensor assembly be bent as shown in Figure 18 with corresponding with profile L-shaped shape type is called sensor assembly 6.
Herein, by the part from kink B5 to B6, the part from kink B7 to B8, from the part of kink B9 to B10 and be called changes direction end from the part of kink B11 to B12.In addition, the part from kink B7 to B8 of the 2nd light projector lead-in wire 22 is called the 1st changes direction end especially, and the part from kink B11 to B12 of the 2nd light lead-in wire 26 is called the 2nd changes direction end especially.
Utilize the 2nd light projector lead-in wire the 22, the 2nd light lead-in wire 26, the shape facility of above-described profile L-shaped shape type is described.6th light leading part 262 has from circuit package portion 90 to the 6th light lead-in wire teat 262a that optical axis direction (X-direction) extends, and extends from circuit package portion 90 in above-mentioned the 1st plane (XY plane).6th light leading part 262 has the 6th light lead-in wire extension 262b extended to the direction (Y-axis positive dirction) vertical with optical axis direction in the 1st plane.Like this, because the 2nd light lead-in wire 26 is given prominence to from the side in circuit package portion 90, so can realize the bending along folding line L4.In addition, also the 6th light leading part 262, the 6th light lead-in wire extension 262b can be called the 1st light base portion leading part, the 1st light straight-line wires portion.
8th light leading part 266 is extending to the direction (Z axis positive dirction) vertical with optical axis direction perpendicular in the 2nd plane (XZ plane) of the 1st plane.7th light leading part 264 connects the 6th light leading part 262, the 8th light leading part 266.Herein, also the 8th light leading part 266 can be called the 2nd light base portion leading part or the 2nd light straight-line wires portion.In addition, also the 7th light leading part 264 can be called light connecting lead wire portion.
6th light lead-in wire extension 262b has the kink B12 bent along the 4th folding line L4.That is, the 6th light lead-in wire extension 262b has the shape of bending.8th light leading part 266 has the kink B11 bent along the 3rd folding line L3.That is, the 8th light leading part 266 has the shape of bending.6th light lead-in wire extension 262b and the 8th light leading part 266 all have the shape of straight line.By bending in lead portion as such, bending process becomes easy.With reference to Figure 18, the 2nd light lead-in wire 26, the 6th light lead-in wire extension 262b place's bending 45 degree, bends 45 degree at the 8th light leading part 266 place.That is, the bending angle of the 6th light lead-in wire extension 262b and the bending angle of the 8th light leading part 266 amount to 90 degree.In addition, except bending 45 degree 2 times as shown in Figure 18, also can bend the mode amounting to bending 90 degree for more than 3 times and bend the 2nd light lead-in wire 26.In addition, can also angle formed by the face after face before the bending of the 2nd light lead-in wire 26 and bending be that the 2nd light goes between and 26 is bent to curved by the mode of 90 degree.
Herein, the 2nd light lead-in wire 26, from the surface in circuit package portion 90, the 2nd light lead-in wire 26 the 3rd base portion S3 extend on the surface of light-projecting portion 10, the 2nd light lead-in wire 26 the 4th base portion S4.2nd light lead-in wire 26 has the 2nd changes direction end from the 3rd base portion S3 to the 4th base portion S4, and the direction that the 2nd light lead-in wire 26 stretches out is converted to the direction with the 1st plane orthogonal from the 1st plane (XY plane) by the 2nd changes direction end.2nd many places of light lead-in wire 26 between the 3rd base portion S3 and the 4th base portion S4 have the shape of bending.In addition, with reference to Figure 18, use air line distance D31, air line distance D32 and air line distance D33 sum definition from optical axis direction (X-direction) observe from the 3rd base portion S3 via the 2nd changes direction end to the 4th base portion S4 the 2nd light lead-in wire 26 length, wherein, air line distance D31 is for the 2nd light lead-in wire 26 observed from optical axis direction (X-direction) is from the 3rd base portion S3 to the distance of the 2nd changes direction end (kink B12), air line distance D32 is for the 2nd light lead-in wire 26 observed from optical axis direction (X-direction) is from the 2nd changes direction end (kink B11) to the distance of the 4th base portion S4, air line distance D33 be the 2nd changes direction end observed from optical axis direction in the distance gone between 26 other ends connected with the 2nd light that the 2nd light from the 3rd base portion S3 goes between 26 one end connected and whereabouts the 4th base portion S4.From optical axis direction observe from the 3rd base portion S3 via the 2nd changes direction end to the length of the 2nd light lead-in wire 26 of the 4th base portion S4 than short from the length (D41+D42) of the 2nd imagination lead-in wire 26v (representing with double dot dash line in figure 18) once bending the L-shaped of 90 degree the 3rd base portion S3 to the 4th base portion S4.
With reference to Fig. 7, the 6th light projector leading part 222 has from circuit package portion 90 to the 6th light projector lead-in wire teat 222a that optical axis direction (X-direction) extends, and extends in above-mentioned the 1st plane (XY plane) from circuit package portion 90.6th light projector leading part 222 has the 6th light projector lead-in wire extension 222b extended to the direction (Y-axis positive dirction) vertical with optical axis direction in the 1st plane.Thus, because the 2nd light projector lead-in wire 22 is given prominence to from the side in circuit package portion 90, so can realize the bending along folding line L4.In addition, also the 6th light projector leading part 222, the 6th light projector lead-in wire extension 222b can be called the 1st light projector base portion leading part, the 1st light projector straight-line wires portion.
8th light projector leading part 226 is extending with the introversive direction (Z axis positive dirction) vertical with optical axis direction of the 2nd plane (XZ plane) of the 1st plane orthogonal.7th light projector leading part 224 connects the 6th light projector leading part 222 and the 8th light projector leading part 226.Herein, also the 8th light projector leading part 226 can be called the 2nd light projector base portion leading part or the 2nd light projector straight-line wires portion.In addition, the 7th light projector leading part 224 also can be called light projector connecting lead wire portion.
6th light projector lead-in wire extension 222b has the kink B8 bent along the 4th folding line L4.That is, the 6th light projector lead-in wire extension 222b has the shape of bending.8th light projector leading part 226 has the kink B7 bent along the 3rd folding line L3.That is, the 8th light projector leading part 226 has the shape of bending.6th light projector lead-in wire extension 222b and the 8th light projector leading part 226 all have the shape of straight line.By bending in lead portion as such, bending process becomes easy.2nd light projector lead-in wire 22, the 6th light projector lead-in wire extension 222b place's bending 45 degree, bends 45 degree at the 8th light projector leading part 226 place.That is, the bending angle of the 6th light projector lead-in wire extension 222b and the bending angle of the 8th light projector leading part 226 amount to 90 degree.In addition, as shown in Figure 18, except point 2 bendings 45 degree, also can bend the mode also amounting to bending 90 degree for more than 3 times and bend the 2nd light projector lead-in wire 22.In addition, angle formed by the face after the face before the bending of the 2nd light projector lead-in wire 22 and bending can also be made to be that the 2nd light projector goes between and 22 is bent to curved by the mode of 90 degree.
Herein, the 2nd light projector lead-in wire 22, from the 1st base portion S1 of the 2nd light projector lead-in wire 22 surface in circuit package portion 90, extend out to the 2nd base portion S2 (with reference to Fig. 7) of the 2nd light projector lead-in wire 22 on the surface of light-projecting portion 10.2nd light projector lead-in wire 22 has the 1st changes direction end from the 1st base portion S1 to the 2nd base portion S2, and the direction that the 2nd light projector lead-in wire 22 stretches out is converted to the direction with the 1st plane orthogonal from the 1st plane (XY plane) by the 1st changes direction end.2nd light projector lead-in wire 22 has the shape that the many places between the 1st base portion and the 2nd base portion bend.In addition, by the 1st particular linear distance, 2nd particular linear distance and the 3rd particular linear distance sum definition from optical axis direction (X-direction) observe from the 1st base portion S1 via the 1st changes direction end to the 2nd base portion S2 the 2nd light projector lead-in wire 22 length, wherein, 1st particular linear distance refer to from optical axis direction (X-direction) observe the 2nd light projector lead-in wire 22 from the 1st base portion S1 to the distance of the 1st changes direction end (kink B6), 2nd particular linear distance refers to the distance from the 1st changes direction end (kink B7) to the 2nd base portion S2 of the 2nd light projector lead-in wire 22 observed from optical axis direction, what the 3rd particular linear distance referred to the 1st changes direction end observed from optical axis direction to go between 22 one end connected and the distance that goes between 22 other ends connected with the 2nd light projector of whereabouts the 2nd base portion S2 with the 2nd light projector from the 1st base portion S1.The length (D41+D42) gone between via the 1st changes direction end to the length of the 2nd light projector lead-in wire 22 of the 2nd base portion S2 once to bend the L-shaped of 90 degree the 1st imagination than from the 1st base portion S1 to the 2nd base portion S2 from the 1st base portion S1 of observing from optical axis direction is short.Thus, by bending 1 sensor assembly 4, flat shape (straight line) type and profile L-shaped shape type can both be corresponding.In addition, Figure 18 illustrates the left surface of sensor assembly, does not demonstrate the 2nd light projector lead-in wire 22.But, as previous explanation, because the 2nd light projector lead-in wire the 22 and the 2nd light goes between 26 about plane C1 (with reference to Fig. 6) face symmetry, so carry out the bending identical with the bending shown in Figure 18 to the 2nd light projector lead-in wire 22.In addition, also go between with the 2nd imagination shape of 26v of the shape of the 1st imagination lead-in wire is identical.
As such, by by the 1st light projector lead-in wire the 20, the 2nd light projector lead-in wire the 22, the 1st light lead-in wire the 24 and the 2nd light lead-in wire 26 bending, light-projecting portion 10 and circuit package portion 90 freely can be designed in the distance of Z-direction and light accepting part 15 and the distance of circuit package portion 90 in Z-direction.Therefore, it is possible to increase the design freedom of photoelectric sensor 1 profile (optical axis Ax).
< receives the housing > of sensor assembly
Below, the housing receiving above-mentioned sensor assembly 5 is described.When sensor assembly 5 is received into housing 60, also coordinate storage sub-shell 80.When being received in housing 60 by sensor assembly 5, sub-shell 80 guides light-projecting portion 10 and light accepting part 15, and prevents the 1st light projector lead-in wire the 20, the 2nd light projector lead-in wire the 22, the 1st light lead-in wire the 24 and the 2nd light lead-in wire 26 to be out of shape because of the contact internal walls with housing 60.Figure 19 A is the front view of sub-shell 80.Figure 19 B is the upward view of sub-shell 80.Figure 19 C is the left view of sub-shell 80.Figure 19 D is the right view of sub-shell 80.
As shown in Figure 4, housing 60 contains light-projecting portion 10, the 1st light projector lead-in wire the 20, the 2nd light projector lead-in wire 22, light accepting part 15, the 1st light lead-in wire the 24, the 2nd light lead-in wire 26 and the sub-shell 80 of sensor assembly 5.Housing body unit 61 accommodates circuit package portion 90.Light projector housing section 62 accommodates light-projecting portion 10, the 1st light projector lead-in wire the 20 and the 2nd light projector lead-in wire 22.Light housing section 63 accommodates light accepting part 15, the 1st light lead-in wire the 24 and the 2nd light lead-in wire 26.Circuit package portion 90 is supported by base plate 98 from below.Base plate 98 is installed by engaging with a part for housing body unit 61.
Sub-shell 80 has the 1st top plate portion 81, the 2nd top plate portion 83, the 1st wall portion 82, the 2nd wall portion 84 and base plate 85.Sub-shell 80 by the characteristic frequency that light-projecting component 11 is sent light (such as, infrared light) through component formed.1st wall portion 82 extends from an end of base plate 85 to vertical direction.2nd wall portion 84 is from the another kind of end of base plate 85 to vertical direction and extend with the direction equidirectional that the 1st wall portion 82 extends.In other words, base plate 85 connects the 1st wall portion 82 and the 2nd wall portion 84.Herein, the 1st wall portion 82 and the 2nd wall portion 84 are set to the 3rd direction from the direction that base plate 85 extends.1st top plate portion 81 extends from the top ends in the 3rd direction of the 1st wall portion 82 to the 1st direction, the end connected with base plate 85 in the 3rd direction of the 1st wall portion 82 is terminal part, the top ends in the 3rd direction of the 1st wall portion 82 refers to, the end of the side contrary with this terminal part side in the 3rd direction of the 1st wall portion 82.1st outer direction refers to, from the terminal part of the 2nd wall portion 84 towards the direction of the terminal part in the 3rd direction of the 1st wall portion 82.The end connected with base plate 85 in the 3rd direction of the 2nd wall portion 84 is terminal part, the end of the side contrary with this terminal part side in the 3rd direction of the 2nd wall portion 84 is top ends, and the 2nd top plate portion 83 extends from the top ends in the 3rd direction of the 2nd wall portion 84 to the 2nd direction.2nd outer direction refers to, from the terminal part of the 1st wall portion 82 towards the direction of the terminal part of the 2nd wall portion 84.1st top plate portion 81, the 2nd top plate portion 83, base plate 85 are parallel to each other.1st wall portion 82 is parallel with the 2nd wall portion 84.
As shown in Figure 4, Figure 5, the 1st top plate portion 81, the 1st wall portion 82 are inserted light projector housing section 62.2nd top plate portion 83, the 2nd wall portion 84 are inserted light housing section 63.With reference to Fig. 5, the 1st internal face 64a of the 1st wall portion 82 and light-projecting portion 10 light projector housing section 62 in opposite directions contacts.2nd internal face 65a of the light housing section 63 that the 2nd wall portion 84 is relative with light accepting part 15 contacts.With reference to Fig. 4, opposite direction (X-axis negative direction) the end 81a of the working direction towards the light from light-projecting portion 10 of the 1st top plate portion 81, with contacting with the 1st internal face 64a the 3rd internal face 64b in opposite directions of light projector housing section 62.The end 83a of the working direction towards this light (X-axis positive dirction) of the 2nd top plate portion 83, with contacting with the 2nd internal face 65a the 4th internal face 65b in opposite directions of light housing section 63.In addition, end 81a and end 83a may not be plane, but the shape of convex form or point.3rd internal face 64b extends to the end of housing body unit 61 from the inside of light projector housing section 62.4th internal face 65b extends to the end of housing body unit 61 from the inside of light housing section 63.Thereby, it is possible to by sub-shell 80 while with the 1st internal face 64a, the 2nd internal face 65a of housing 60, the 3rd internal face 64b and the 4th internal face 65b sliding contact while insert housing 60.Therefore, become and easily sub-shell 80 is inserted housing 60.In addition, when being inserted by sub-shell 80, prevent the 1st wall portion 82 and the 2nd wall portion 84 from touching the internal face of housing 60 and being out of shape.Because sub-shell 80, housing 60 have above-mentioned structure, the operation therefore by machinery insertion sub-shell 80 becomes easy.
Further, as shown in Figure 4, in opposite directions, the 5th internal face 64c and housing body unit 61 are in opposite directions for the 5th internal face 64c of the 1st top plate portion 81 and light projector housing section 62.That is, the 1st top plate portion 81 and housing body unit 61 are in opposite directions.And in opposite directions, and the 6th internal face 65c of the 2nd top plate portion 83 and light housing section 63 in opposite directions for the 6th internal face 65c of light housing section 63 and housing body unit 61.That is, the 2nd top plate portion 83 and housing body unit 61 are in opposite directions.Thus, when using machinery that sub-shell 80 is inserted housing 60, if because this mechanical detection is to contacting with the 5th internal face 64c because of the 1st top plate portion 81 and the 2nd top plate portion 83 pressure that contacts with the 6th internal face 65c and produce, then can detect that the insertion of sub-shell completes, so make the operation of inserting sub-shell 80 by machinery become easier.
With reference to Figure 19 B and Fig. 5, the 1st wall portion 82 has the 1st wall 82a, the 2nd wall 82b, the 1st groove portion 82c, the 1st teat 82d.1st wall 82a contacts with the 1st internal face 64a.2nd wall 82b is the wall of the opposition side of the 1st wall 82a.1st groove portion 82c is located at the 2nd wall 82b, contacts with a part for light projector lens section 14.1st teat 82d is located at the 1st wall 82a, and to outstanding towards the direction of the 2nd wall portion 84.1st teat 82d gives prominence to as the shape corresponding with the depression of the 1st groove portion 82c.
With reference to Figure 19 B and Fig. 5, the 2nd wall portion 84 has the 3rd wall 84a, the 4th wall 84b, the 2nd groove portion 84c, the 2nd teat 84d.3rd wall 84a contacts with the 2nd internal face 65a.4th wall 84b is the wall of the opposition side of the 3rd wall 84a.2nd groove portion 84c is located at the 4th wall 84b, and contacts with the part in sensitive lens portion 19.2nd teat 84d is located at the 3rd wall 84a, and to outstanding towards the direction of the 1st wall portion 82.2nd teat 84d gives prominence to as the shape corresponding with the depression of the 2nd groove portion 84c.
Herein, when inserting sensor assembly 5 to the housing 60 being inserted with sub-shell 80, slide along the 1st groove portion 82c, the 2nd groove portion 84c respectively in light projector lens section 14, sensitive lens portion 19.Therefore, even if when sensor assembly 5 being inserted by machinery, also can insert under the state that the optical axis of the optical axis of light-projecting portion 10 and light accepting part 15 is consistent.In addition, because light-projecting portion 10, light accepting part 15 are respectively by the 1st groove portion 82c, the 2nd 84c fixed position, groove portion posture, wait so avoid because photoelectric sensor 1 is subject to vibrating and causes the optical axis deviation in the optical axis of light projector lens section 14 and sensitive lens portion 19 to obtain large situation.
In addition, as shown in Figure 5, the 1st teat 82d, the 2nd teat 84d are respectively with light projector slit 66, engage by optical slits 67.Therefore, light projector slit 66, play the function of guide portion when inserting sub-shell 80 to housing 60 by optical slits 67.Therefore, the operation of sub-shell 80 being inserted housing 60 becomes easier.
In addition, as shown in FIG. 4 and 5, sub-shell 80, by the 1st top plate portion 81, the 2nd top plate portion 83, the 1st wall portion 82 and the 2nd wall portion 84, covers light-projecting portion 10 and the top of light accepting part 15, the right side of carrying out the light projector lens section 14 of the light-projecting portion 10 of light projector and light and upside, the left side in sensitive lens portion 19 of light accepting part 15 and upside.Therefore, it is possible to alleviate the impact of the electrostatic that light-projecting component 11, photo detector 16, the 1st light projector lead-in wire the 20, the 2nd light projector lead-in wire the 22, the 1st light lead-in wire the 24 and the 2nd light lead-in wire 26 produce at the periphery of light projector housing section 62 and light housing section 63.
In addition, even the housing of profile L-shaped shape type also inserts above-mentioned sub-shell 80.Figure 20 is the front view of the photoelectric sensor 2 of profile L-shaped shape type.Figure 21 is the vertical view of the photoelectric sensor 2 of profile L-shaped shape type.Figure 22 is the exploded perspective view of the photoelectric sensor 2 of profile L-shaped shape type.In addition, in Figure 20 to Figure 22, to the structure same with Fig. 1 to Fig. 3, put on same Reference numeral, and omit the description.
As shown in Figure 20 to Figure 22, photoelectric sensor 2 is compared with photoelectric sensor 1, and the shape of housing 60a is different.Housing 60a comprises the light projector housing section 62 identical with housing 60, light housing section 63.Therefore, photoelectric sensor 2 comprises all features of above-mentioned sub-shell 80 and light projector housing section 62, light housing section 63.Therefore, the explanation of the feature to the above-mentioned sub-shell 80 that illustrated and light projector housing section 62, light housing section 63 is omitted.
The shape of the housing body unit 61a of housing 60a is different from housing body unit 61.As shown in figure 21, on housing body unit 60a, be formed for visual confirmation the display lamp window 68 of work display part 92 can be made in front openings.The direction (Y direction of Figure 21) vertical with projection and accepted light slit direction is in opposite directions formed mounting hole 69e, 69f of through housing 60.On photoelectric sensor 2, the multiple splicing ears 50 as a part for sensor assembly 5 are forwards given prominence to from housing 60a.As shown in figure 22, in housing 60a, insert sub-shell 80, sensor assembly 6 successively, the base plate 98a of support circuit encapsulation part 90 is installed in the bottom of housing 60a.
The cut-open view of the photoelectric sensor 2 when Figure 23 is the profile line XXIII-XXIII cutting with Figure 21.Only the feature of housing body unit 61a inside is described in fig 23.First, the 3rd internal face 64b extends to the end of housing body unit 61a from the inside of light projector housing section 62.4th internal face 65b extends to the end of housing body unit 61a from the inside of light housing section 63.Circuit package portion 90 is supported by base plate 98a.Circuit package portion 90 contacts with the base plate 85 of sub-shell 80, and support baseboard portion 85.
Above, although be described an embodiment of the invention, the present invention is not limited to above-mentioned embodiment, can also carry out various change without departing from the spirit and scope of the invention.
The position of light-projecting portion 10 also can be contrary with the position of light accepting part 15.When the position of light-projecting portion 10 is contrary with the position of light accepting part 15, corresponding with the position of light-projecting portion 10 and the position of light accepting part 15, position and the 1st light of the 1st light projector lead-in wire 20 are gone between 24 position exchange, the 2nd light projector is gone between 22 position and the 2nd light go between 26 position exchange.Further, the position of light projector housing section 62 with light housing section 63 is exchanged.
The shape in light projector lens section 14 and sensitive lens portion 19 is not limited only to circle.Such as, the shape in light projector lens section 14 and sensitive lens portion 19 also can be that Elliptical is circular.
The quantity of splicing ear is not limited only to 4.Sensor assembly 4,5,6 also can have and is less than 4 or more than 4 splicing ears.In addition, work display lamp (work display part) 92 can also be omitted with regard to sensor assembly 4,5,6.
According to the present invention, can provide a kind of and utilize simple structure just can the photoelectric sensor parts of switching action and its manufacture method.

Claims (6)

1. a manufacture method for photoelectric sensor parts, is characterized in that, comprising:
Preparation process, prepare photoelectric sensor intermediate member, described photoelectric sensor intermediate member has light-projecting portion, light accepting part, integrated circuit, circuit package portion, 1st lead frame, 2nd lead frame, external connecting, described integrated circuit process from described light accepting part by light signal, described circuit package portion encapsulates described integrated circuit, described 1st lead frame has the 1st teat of the outside being projected into described circuit package portion, described 2nd lead frame has the 2nd teat of the outside being projected into described circuit package portion, described external connecting connects described 1st teat and described 2nd teat, and described light-projecting portion, described light accepting part, described 1st lead frame, described 2nd lead frame is connected with described integrated circuit,
Deciding step, determine a certain position whether cutting off teat, described teat is made up of described 1st teat, described 2nd teat, described external connecting,
Cut off step, when determining to cut off in described deciding step, cut off described teat.
2. a manufacture method for photoelectric sensor parts, is characterized in that, comprising:
1st preparation process, prepare the step of photoelectric sensor intermediate member, described photoelectric sensor intermediate member has light-projecting portion, light accepting part, integrated circuit, circuit package portion, 1st lead frame, 2nd lead frame, described integrated circuit process from described light accepting part by light signal, described circuit package portion encapsulates described integrated circuit, described 1st lead frame has the 1st teat of the outside being projected into described circuit package portion, described 2nd lead frame has the 2nd teat of the outside being projected into described circuit package portion, and described light-projecting portion, described light accepting part, described 1st lead frame, described 2nd lead frame is connected with described integrated circuit,
2nd preparation process, prepares the step of the brace that described 1st teat can be electrically connected with described 2nd teat,
Deciding step, determines whether be electrically connected described 1st teat and described 2nd teat,
Electrical connecting step, when determining to be electrically connected in described deciding step, utilizes described brace to be electrically connected described 1st teat and described 2nd teat.
3. photoelectric sensor parts, are installed on photoelectric sensor, it is characterized in that,
Have:
Light-projecting portion,
Light accepting part, receives the light from described light-projecting portion, and exports by light signal,
Integrated circuit, process is described by light signal,
Circuit package portion, encapsulates described integrated circuit,
1st lead frame and the 2nd lead frame, be connected with described integrated circuit;
Described 1st lead frame has the 1st teat of the outside being projected into described circuit package portion,
Described 2nd lead frame has the 2nd teat of the outside being projected into described circuit package portion,
Described photoelectric sensor parts are fixed as the 1st state or described 1st teat that described 1st teat is electrically connected with described 2nd teat and the 2nd state that described 2nd teat insulate,
Be fixed as the described photoelectric sensor parts of described 1st state, perform the 1st disposal route for described by light signal,
Be fixed as the described photoelectric sensor parts of described 2nd state, perform the 2nd disposal route for described by light signal.
4. the manufacture method of photoelectric sensor parts as claimed in claim 1, is characterized in that,
Described photoelectric sensor intermediate member has to be lighted and the display part extinguished under black out signal lighting under signal,
One during described 1st process and the described 2nd processes is treated to, when the described signal value by light signal is more than the threshold value of regulation, light signal described in output, when the described signal value by light signal is less than described threshold value, export the process of described black out signal
Another during described 1st process and the described 2nd processes is treated to, when the described signal value by light signal is more than described threshold value, export described black out signal, when the described signal value by light signal is less than described threshold value, described in output, light the process of signal.
5. the manufacture method of photoelectric sensor parts as claimed in claim 2, is characterized in that,
Described photoelectric sensor intermediate member has to be lighted under signal and to extinguish the display part extinguished under (OFF) signal lighting,
One during described 1st process and the described 2nd processes is treated to, when the described signal value by light signal is more than the threshold value of regulation, light signal described in output, when the described signal value by light signal is less than described threshold value, export the process of described black out signal
Another during described 1st process and the described 2nd processes is treated to, when the described signal value by light signal is more than described threshold value, export described black out signal, when the described signal value by light signal is less than described threshold value, described in output, light the process of signal.
6. photoelectric sensor parts as claimed in claim 3, is characterized in that,
Also have and light and the display part extinguished under black out signal lighting under signal,
One during described 1st process and the described 2nd processes is treated to, when the described signal value by light signal is more than the threshold value of regulation, light signal described in output, when the described signal value by light signal is less than described threshold value, export the process of described black out signal
Another during described 1st process and the described 2nd processes is treated to, when the described signal value by light signal is more than described threshold value, export described black out signal, when the described signal value by light signal is less than described threshold value, described in output, light the process of signal.
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