CN103791932A - NPN-type collecting electrode open circuit three-phase output type photoelectric encoder - Google Patents
NPN-type collecting electrode open circuit three-phase output type photoelectric encoder Download PDFInfo
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- CN103791932A CN103791932A CN201210419709.6A CN201210419709A CN103791932A CN 103791932 A CN103791932 A CN 103791932A CN 201210419709 A CN201210419709 A CN 201210419709A CN 103791932 A CN103791932 A CN 103791932A
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Abstract
The invention discloses an NPN-type collecting electrode open circuit three-phase output type photoelectric encoder comprising a shell, a pedestal which is connected onto the shell and a signal processing circuit board which is arranged in the shell. The pedestal is provided with a bearing which is provided with a rotating shaft. One segment of the rotating shaft, which is arranged in the internal part of the shell, is connected with a code disc base. The code disc base is connected with a code disc. The position of the pedestal, which is arranged below the code disc base, is connected with a photoelectric module. The photoelectric module is provided with a groove used for insertion of the code disc. An optical emitter and an optical receiver are integrated in the photoelectric module. The optical emitter and the optical receiver are respectively arranged on the two sides of the groove. A five-core cable is connected onto the signal processing circuit board. Five cores in the five-core cable are a power supply anode connecting wire, a power supply cathode connecting wire, an A-phase output wire of the photoelectric encoder, a B-phase output wire of the photoelectric encoder and a Z-phase output wire of the photoelectric encoder respectively. The photoelectric encoder is compact in structure, convenient to manufacture, low in heating, great in heat radiation performance, high in working reliability, long in the working service life, high in practicality and convenient for popularization and use.
Description
Technical field
The present invention relates to a kind of photoelectric encoder, especially relate to a kind of NPN type open collector three-phase output type photoelectric encoder.
Background technology
Along with the increase of domestic automation equipment turnout, the demand of increment type NPN type open collector three-phase output type photoelectric encoder is also increased thereupon.But under 24V DC environment, similar products at home and abroad capability and performance is all very unstable, and product casing is hot, sendible temperature is greatly about 50 degrees Celsius of left and right.Under this voltage environment, in product 1 year, continuous working scrappage probably more than 40%, has had a strong impact on the reliability of product, product of poor quality, and serviceable life is short, and replacement cost is high.
Summary of the invention
Technical matters to be solved by this invention is for above-mentioned deficiency of the prior art, provides a kind of NPN type open collector three-phase output type photoelectric encoder, its compact conformation, rationally novel in design, processing and fabricating is convenient, generates heat little, and perfect heat-dissipating, quality is good, functional reliability is high, and long working life is practical, result of use is good, is convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of NPN type open collector three-phase output type photoelectric encoder, it is characterized in that: comprise the uncovered shell in one end and the pedestal that is fixedly connected on described shell opening end, and be arranged on the signal processing circuit board in the cavity being formed by described shell and pedestal, on described pedestal, bearing is installed, the rotating shaft that one end is positioned at described housing exterior and the other end and is positioned at described enclosure is installed on described bearing, be positioned in one section of rotating shaft of described enclosure and be fixedly connected with code-disc base, on described code-disc base, be fixedly connected with code-disc, be positioned on the pedestal of described code-disc base below and be fixedly connected with optical-electric module, on described optical-electric module, be provided with the groove inserting for code-disc, in described optical-electric module, be integrated with optical transmitting set and optical receiver, described optical transmitting set and optical receiver lay respectively at the both sides of described groove, one end of described signal processing circuit board is fixedly connected with described pedestal, the other end of described signal processing circuit board is fixedly connected with described optical-electric module, on described signal processing circuit board, be connected with from enclosure the five-core cable through housing exterior, and on described shell, have the cable-through hole passing for five-core cable, between described five-core cable and described cable-through hole, be provided with protective ring, five cores in described five-core cable are respectively positive source wiring, power cathode wiring, the A phase output line of photoelectric encoder, the Z phase output line of the B phase output line of photoelectric encoder and photoelectric encoder.
Above-mentioned a kind of NPN type open collector three-phase output type photoelectric encoder, it is characterized in that: signal processing circuit integrated on described signal processing circuit board is by power management chip IC1, inductance L 1, polar capacitor C1 and C3, polarity free capacitor C2, C4, C5 and C6, resistance R 1, R2, R3, R4, R5, R6, R7, R8, R14, R15 and R17, triode Q1, Q2, Q3 and Q4, and voltage stabilizing diode D1, D2, D3, D4 and D5 form, described optical-electric module is opto-electronic conversion chip IC 2, the positive pole of the power supply input pin VIN of described power management chip IC1 and enable pin EN and polar capacitor C1, one end of polarity free capacitor C2, one end of the negative pole of voltage stabilizing diode D1 and resistance R 8 all joins by the anodal VCC of the positive source wiring in five-core cable and external power source, one end of the voltage transitions pin SW of described power management chip IC1 and the negative pole of voltage stabilizing diode D2 and inductance L 1 joins, one end of the other end of described inductance L 1 and polarity free capacitor C6, the positive pole of polar capacitor C3, one end of resistance R 1, one end of resistance R 14, one end of resistance R 15, the positive voltage pin V of one end of resistance R 17 and opto-electronic conversion chip IC 2 joins, the inverter output voltage feedback pin FB of described power management chip IC1 and one end of polarity free capacitor C4 join, one end of the inversion output pin INV of described power management chip IC1 and one end of resistance R 1 and resistance R 2 joins, the other end of described polarity free capacitor C4 joins by resistance R 3 and the other end of resistance R 1, one end of the rectification pin RT of described power management chip IC1 and one end of resistance R 4 and polarity free capacitor C5 joins, the 3rd signal output pin I of one end of the other end of described resistance R 14 and resistance R 5 and opto-electronic conversion chip IC 2 joins, the base stage of the other end of described resistance R 5 and triode Q1 is joined, the base stage of the other end of the collector of described triode Q1 and resistance R 8 and triode Q2 is joined, the current collection of described triode Q2 very photoelectric encoder Z phase output terminal and join with the Z phase output line of photoelectric encoder and the negative pole of voltage stabilizing diode D5 in five-core cable, the first signal output pin A of one end of the other end of described resistance R 15 and resistance R 6 and opto-electronic conversion chip IC 2 joins, the base stage of the other end of described resistance R 6 and triode Q3 is joined, the current collection of described triode Q3 very photoelectric encoder A phase output terminal and join with the A phase output line of photoelectric encoder and the negative pole of voltage stabilizing diode D3 in five-core cable, the secondary signal output pin B of one end of the other end of described resistance R 17 and resistance R 7 and opto-electronic conversion chip IC 2 joins, the base stage of the other end of described resistance R 7 and triode Q4 is joined, the current collection of described triode Q4 very photoelectric encoder B phase output terminal and join with the B phase output line of photoelectric encoder and the negative pole of voltage stabilizing diode D4 in five-core cable, the negative pole of described polar capacitor C1, the other end of polarity free capacitor C2, the positive pole of voltage stabilizing diode D1, the positive pole of voltage stabilizing diode D2, the other end of polarity free capacitor C6, the negative pole of polar capacitor C3, the grounding pin GND of power management chip IC1, the other end of resistance R 2, the other end of resistance R 4, the other end of polarity free capacitor C5, the emitter of triode Q1, the emitter of triode Q2, the positive pole of voltage stabilizing diode D5, the emitter of triode Q3, the positive pole of voltage stabilizing diode D3, the emitter of triode Q4, the positive pole of voltage stabilizing diode D4, the negative voltage pin G of photoelectric encoder and one end of polarity free capacitor C7 all join by the negative pole OV of the power cathode wiring in five-core cable and external power source, the other end ground connection NC of described polarity free capacitor C7.
Above-mentioned a kind of NPN type open collector three-phase output type photoelectric encoder, is characterized in that: described pedestal is fixedly connected on described shell opening end by the first countersunk head screw.
Above-mentioned a kind of NPN type open collector three-phase output type photoelectric encoder, is characterized in that: between described pedestal and described shell, be provided with O-ring seal.
Above-mentioned a kind of NPN type open collector three-phase output type photoelectric encoder, is characterized in that: be positioned in one section of rotating shaft of described housing exterior and be radially provided with draw-in groove, be provided with the jump ring for preventing that described rotating shaft from axially rocking in described draw-in groove.
Above-mentioned a kind of NPN type open collector three-phase output type photoelectric encoder, is characterized in that: between described code-disc base and described bearing, be provided with pad.
Above-mentioned a kind of NPN type open collector three-phase output type photoelectric encoder, is characterized in that: described optical-electric module is fixedly connected on described pedestal by the second countersunk head screw.
Above-mentioned a kind of NPN type open collector three-phase output type photoelectric encoder, is characterized in that: described rotating shaft is steel axle.
Above-mentioned a kind of NPN type open collector three-phase output type photoelectric encoder, is characterized in that: described code-disc is film code-disc.
Above-mentioned a kind of NPN type open collector three-phase output type photoelectric encoder, is characterized in that: described protective ring is rubber protective ring.
The present invention compared with prior art has the following advantages:
1, compact conformation of the present invention, rationally novel in design, processing and fabricating is convenient.
2, the present invention, by the improvement of signal processing circuit, has reduced self power consumption, has reduced self-heating, has guaranteed output power signal simultaneously; Shell is made up of aluminum alloy materials, strengthen heat-sinking capability of the present invention, improve quality of the present invention, thereby make the present invention's continuous working under 24V environment, shell substantially can be not hot, extended mission life, 1 year failure rate of continuous working is less than 1%, and 2 years failure rates of continuous working are less than 2%.
3, functional reliability of the present invention is high, without often maintenance and repair and replacing, has reduced maintenance and repair cost and replacement of products cost.
4, of the present invention practical, result of use is good, is convenient to promote the use of.
In sum, compact conformation of the present invention, rationally novel in design, processing and fabricating is convenient, generate heat little, perfect heat-dissipating, quality is good, and functional reliability is high, and long working life is practical, and result of use is good, is convenient to promote the use of.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the circuit theory diagrams of signal processing circuit of the present invention.
Fig. 3 is the structural representation of code-disc of the present invention.
Description of reference numerals:
1-rotating shaft; 2-jump ring; 3-bearing;
4-pedestal; 5-O-ring seal; 6-pad;
7-code-disc; 8-code-disc base; 9-five-core cable;
10-protective ring; 11-shell; 12-signal processing circuit board;
13-optical-electric module; 13-1-groove; The 14-the second countersunk head screw;
The 15-the first countersunk head screw.
Embodiment
As shown in Figure 1, the present invention includes the uncovered shell in one end 11 and the pedestal 4 that is fixedly connected on described shell 11 opening ends, and be arranged on the signal processing circuit board 12 in the cavity being formed by described shell 11 and pedestal 4, on described pedestal 4, bearing 3 is installed, the rotating shaft 1 that one end is positioned at described shell 11 outsides and the other end and is positioned at described shell 11 inside is installed on described bearing 3, be positioned in one section of rotating shaft 1 of described shell 11 inside and be fixedly connected with code-disc base 8, on described code-disc base 8, be fixedly connected with code-disc 7, be positioned on the pedestal 4 of described code-disc base 8 belows and be fixedly connected with optical-electric module 13, on described optical-electric module 13, be provided with the groove 13-1 inserting for code-disc 7, in described optical-electric module 13, be integrated with optical transmitting set and optical receiver, described optical transmitting set and optical receiver lay respectively at the both sides of described groove 13-1, one end of described signal processing circuit board 12 is fixedly connected with described pedestal 4, the other end of described signal processing circuit board 12 is fixedly connected with described optical-electric module 13, on described signal processing circuit board 12, be connected with from shell 11 inside the five-core cable 9 through shell 11 outsides, and on described shell 11, have the cable-through hole passing for five-core cable 9, between described five-core cable 9 and described cable-through hole, be provided with protective ring 10, five cores in described five-core cable 9 are respectively positive source wiring, power cathode wiring, the A phase output line of photoelectric encoder, the Z phase output line of the B phase output line of photoelectric encoder and photoelectric encoder.
In conjunction with Fig. 2, in the present embodiment, signal processing circuit integrated on described signal processing circuit board 12 is by power management chip IC1, inductance L 1, polar capacitor C1 and C3, polarity free capacitor C2, C4, C5 and C6, resistance R 1, R2, R3, R4, R5, R6, R7, R8, R14, R15 and R17, triode Q1, Q2, Q3 and Q4, and voltage stabilizing diode D1, D2, D3, D4 and D5 form, described optical-electric module 13 is opto-electronic conversion chip IC 2, the positive pole of the power supply input pin VIN of described power management chip IC1 and enable pin EN and polar capacitor C1, one end of polarity free capacitor C2, one end of the negative pole of voltage stabilizing diode D1 and resistance R 8 all joins by the anodal VCC of the positive source wiring in five-core cable 9 and external power source, one end of the voltage transitions pin SW of described power management chip IC1 and the negative pole of voltage stabilizing diode D2 and inductance L 1 joins, one end of the other end of described inductance L 1 and polarity free capacitor C6, the positive pole of polar capacitor C3, one end of resistance R 1, one end of resistance R 14, one end of resistance R 15, the positive voltage pin V of one end of resistance R 17 and opto-electronic conversion chip IC 2 joins, the inverter output voltage feedback pin FB of described power management chip IC1 and one end of polarity free capacitor C4 join, one end of the inversion output pin INV of described power management chip IC1 and one end of resistance R 1 and resistance R 2 joins, the other end of described polarity free capacitor C4 joins by resistance R 3 and the other end of resistance R 1, one end of the rectification pin RT of described power management chip IC1 and one end of resistance R 4 and polarity free capacitor C5 joins, the 3rd signal output pin I of one end of the other end of described resistance R 14 and resistance R 5 and opto-electronic conversion chip IC 2 joins, the base stage of the other end of described resistance R 5 and triode Q1 is joined, the base stage of the other end of the collector of described triode Q1 and resistance R 8 and triode Q2 is joined, the current collection of described triode Q2 very photoelectric encoder Z phase output terminal and join with the Z phase output line of photoelectric encoder and the negative pole of voltage stabilizing diode D5 in five-core cable 9, the first signal output pin A of one end of the other end of described resistance R 15 and resistance R 6 and opto-electronic conversion chip IC 2 joins, the base stage of the other end of described resistance R 6 and triode Q3 is joined, the current collection of described triode Q3 very photoelectric encoder A phase output terminal and join with the A phase output line of photoelectric encoder and the negative pole of voltage stabilizing diode D3 in five-core cable 9, the secondary signal output pin B of one end of the other end of described resistance R 17 and resistance R 7 and opto-electronic conversion chip IC 2 joins, the base stage of the other end of described resistance R 7 and triode Q4 is joined, the current collection of described triode Q4 very photoelectric encoder B phase output terminal and join with the B phase output line of photoelectric encoder and the negative pole of voltage stabilizing diode D4 in five-core cable 9, the negative pole of described polar capacitor C1, the other end of polarity free capacitor C2, the positive pole of voltage stabilizing diode D1, the positive pole of voltage stabilizing diode D2, the other end of polarity free capacitor C6, the negative pole of polar capacitor C3, the grounding pin GND of power management chip IC1, the other end of resistance R 2, the other end of resistance R 4, the other end of polarity free capacitor C5, the emitter of triode Q1, the emitter of triode Q2, the positive pole of voltage stabilizing diode D5, the emitter of triode Q3, the positive pole of voltage stabilizing diode D3, the emitter of triode Q4, the positive pole of voltage stabilizing diode D4, the negative voltage pin G of photoelectric encoder and one end of polarity free capacitor C7 all join by the negative pole OV of the power cathode wiring in five-core cable 9 and external power source, the other end ground connection NC of described polarity free capacitor C7, specifically receive on the inwall of described shell 11.
In signal processing circuit, the circuit that polar capacitor C1, polarity free capacitor C2 and voltage stabilizing diode D1 form is for rectification and anti-reverse; Power management chip IC1, inductance L 1, polar capacitor C3, polarity free capacitor C4, C5 and C6, the circuit that resistance R 1, R2, R3 and R4 and voltage stabilizing diode D2 form is used for carrying out DC-DC voltage transitions, and powers for opto-electronic conversion chip IC 2; The circuit that opto-electronic conversion chip IC 2 and resistance R 14, R15 and R17 form is for carrying out the conversion of light signal to electric signal; The signal of resistance R 5 and R8, triode Q1 and Q2 and voltage stabilizing diode D5 the 3rd signal output pin I output to opto-electronic conversion chip IC 2 carries out anti-phase and rectification and amplifies the Z phase output signal that has just obtained photoelectric encoder after processing; The signal of resistance R 6, triode Q3 and the voltage stabilizing diode D3 first signal output pin A output to opto-electronic conversion chip IC 2 carries out anti-phase and rectification and amplifies the A phase output signal that has just obtained photoelectric encoder after processing; The signal of resistance R 7, triode Q4 and the voltage stabilizing diode D4 secondary signal output pin B output to opto-electronic conversion chip IC 2 carries out anti-phase and rectification and amplifies the B phase output signal that has just obtained photoelectric encoder after processing.
In conjunction with Fig. 1, in the present embodiment, described pedestal 4 is fixedly connected on described shell 11 opening ends by the first countersunk head screw 15.Between described pedestal 4 and described shell 11, be provided with O-ring seal 5.Be positioned in one section of rotating shaft 1 of described shell 11 outsides and be radially provided with draw-in groove, in described draw-in groove, be provided with the jump ring 2 for preventing that described rotating shaft 1 from axially rocking.Between described code-disc base 8 and described bearing 3, be provided with pad 6.Described optical-electric module 13 is fixedly connected on described pedestal 4 by the second countersunk head screw 14.
When concrete enforcement, described rotating shaft 1 is steel axle.Described code-disc 7 is film code-disc, and the structural representation of described film code-disc as shown in Figure 3.Described protective ring 10 is rubber protective ring.Described shell 11 is made up of aluminum alloy materials.
Principle of work of the present invention and the course of work are: while driving rotating shaft 1 to rotate by external motor, rotating shaft 1 just drives code-disc 7 to rotate by code-disc base 8, in code-disc 7 rotary courses, optical-electric module 13 detects in real time code-disc 7 rotating signals and produces pulse signal, the pulse signal producing is exported by A phase output line, the B phase output line of photoelectric encoder and the Z phase output line of photoelectric encoder of photoelectric encoder after signal processing circuit carries out rectification to amplify processing, A, B two-phase pulse differ 90 degree phasing degree, can measure thus photoelectric encoder rotation direction and motor speed.A phase output line is used for ranging pulse number, and B phase output line coordinates and can measure rotation direction with A phase output line, and Z phase output line is zero pulse line, and photoelectric encoder often turns around and produces a pulse, is used for ranging pulse number; If A phase ratio of pulse length to the total cycle length B phase pulse advance, photoelectric encoder is forward, otherwise is reversion.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every any simple modification of above embodiment being done according to the technology of the present invention essence, change and equivalent structure change, and all still belong in the protection domain of technical solution of the present invention.
Claims (10)
1. a NPN type open collector three-phase output type photoelectric encoder, it is characterized in that: comprise the uncovered shell in one end (11) and be fixedly connected on the pedestal (4) of described shell (11) opening end, and be arranged on by the signal processing circuit board (12) in the cavity of described shell (11) and pedestal (4) formation, bearing (3) is installed on described pedestal (4), one end is installed on described bearing (3) to be positioned at described shell (11) outside and the other end and to be positioned at the inner rotating shaft (1) of described shell (11), be positioned in the inner one section of rotating shaft (1) of described shell (11) and be fixedly connected with code-disc base (8), on described code-disc base (8), be fixedly connected with code-disc (7), be positioned on the pedestal (4) of described code-disc base (8) below and be fixedly connected with optical-electric module (13), on described optical-electric module (13), be provided with the groove (13-1) inserting for code-disc (7), described optical-electric module is integrated with optical transmitting set and optical receiver in (13), described optical transmitting set and optical receiver lay respectively at the both sides of described groove (13-1), one end of described signal processing circuit board (12) is fixedly connected with described pedestal (4), the other end of described signal processing circuit board (12) is fixedly connected with described optical-electric module (13), on described signal processing circuit board (12), be connected with from shell (11) inner through the outside five-core cable (9) of shell (11), and on described shell (11), have the cable-through hole passing for five-core cable (9), between described five-core cable (9) and described cable-through hole, be provided with protective ring (10), five cores in described five-core cable (9) are respectively positive source wiring, power cathode wiring, the A phase output line of photoelectric encoder, the Z phase output line of the B phase output line of photoelectric encoder and photoelectric encoder.
2. according to a kind of NPN type open collector three-phase output type photoelectric encoder claimed in claim 1, it is characterized in that: the upper integrated signal processing circuit of described signal processing circuit board (12) is by power management chip IC1, inductance L 1, polar capacitor C1 and C3, polarity free capacitor C2, C4, C5 and C6, resistance R 1, R2, R3, R4, R5, R6, R7, R8, R14, R15 and R17, triode Q1, Q2, Q3 and Q4, and voltage stabilizing diode D1, D2, D3, D4 and D5 form, described optical-electric module (13) is opto-electronic conversion chip IC 2, the positive pole of the power supply input pin VIN of described power management chip IC1 and enable pin EN and polar capacitor C1, one end of polarity free capacitor C2, one end of the negative pole of voltage stabilizing diode D1 and resistance R 8 all joins by the anodal VCC of the positive source wiring in five-core cable (9) and external power source, one end of the voltage transitions pin SW of described power management chip IC1 and the negative pole of voltage stabilizing diode D2 and inductance L 1 joins, one end of the other end of described inductance L 1 and polarity free capacitor C6, the positive pole of polar capacitor C3, one end of resistance R 1, one end of resistance R 14, one end of resistance R 15, the positive voltage pin V of one end of resistance R 17 and opto-electronic conversion chip IC 2 joins, the inverter output voltage feedback pin FB of described power management chip IC1 and one end of polarity free capacitor C4 join, one end of the inversion output pin INV of described power management chip IC1 and one end of resistance R 1 and resistance R 2 joins, the other end of described polarity free capacitor C4 joins by resistance R 3 and the other end of resistance R 1, one end of the rectification pin RT of described power management chip IC1 and one end of resistance R 4 and polarity free capacitor C5 joins, the 3rd signal output pin I of one end of the other end of described resistance R 14 and resistance R 5 and opto-electronic conversion chip IC 2 joins, the base stage of the other end of described resistance R 5 and triode Q1 is joined, the base stage of the other end of the collector of described triode Q1 and resistance R 8 and triode Q2 is joined, the current collection of described triode Q2 very photoelectric encoder Z phase output terminal and join with the Z phase output line of photoelectric encoder and the negative pole of voltage stabilizing diode D5 in five-core cable (9), the first signal output pin A of one end of the other end of described resistance R 15 and resistance R 6 and opto-electronic conversion chip IC 2 joins, the base stage of the other end of described resistance R 6 and triode Q3 is joined, the current collection of described triode Q3 very photoelectric encoder A phase output terminal and join with the A phase output line of photoelectric encoder and the negative pole of voltage stabilizing diode D3 in five-core cable (9), the secondary signal output pin B of one end of the other end of described resistance R 17 and resistance R 7 and opto-electronic conversion chip IC 2 joins, the base stage of the other end of described resistance R 7 and triode Q4 is joined, the current collection of described triode Q4 very photoelectric encoder B phase output terminal and join with the B phase output line of photoelectric encoder and the negative pole of voltage stabilizing diode D4 in five-core cable (9), the negative pole of described polar capacitor C1, the other end of polarity free capacitor C2, the positive pole of voltage stabilizing diode D1, the positive pole of voltage stabilizing diode D2, the other end of polarity free capacitor C6, the negative pole of polar capacitor C3, the grounding pin GND of power management chip IC1, the other end of resistance R 2, the other end of resistance R 4, the other end of polarity free capacitor C5, the emitter of triode Q1, the emitter of triode Q2, the positive pole of voltage stabilizing diode D5, the emitter of triode Q3, the positive pole of voltage stabilizing diode D3, the emitter of triode Q4, the positive pole of voltage stabilizing diode D4, the negative voltage pin G of photoelectric encoder and one end of polarity free capacitor C7 all join by the negative pole OV of the power cathode wiring in five-core cable (9) and external power source, the other end ground connection NC of described polarity free capacitor C7.
3. according to a kind of NPN type open collector three-phase output type photoelectric encoder described in claim 1 or 2, it is characterized in that: described pedestal (4) is fixedly connected on described shell (11) opening end by the first countersunk head screw (15).
4. according to a kind of NPN type open collector three-phase output type photoelectric encoder described in claim 1 or 2, it is characterized in that: between described pedestal (4) and described shell (11), be provided with O-ring seal (5).
5. according to a kind of NPN type open collector three-phase output type photoelectric encoder described in claim 1 or 2, it is characterized in that: be positioned in the outside one section of rotating shaft (1) of described shell (11) and be radially provided with draw-in groove, in described draw-in groove, be provided with the jump ring (2) for preventing that described rotating shaft (1) from axially rocking.
6. according to a kind of NPN type open collector three-phase output type photoelectric encoder described in claim 1 or 2, it is characterized in that: between described code-disc base (8) and described bearing (3), be provided with pad (6).
7. according to a kind of NPN type open collector three-phase output type photoelectric encoder described in claim 1 or 2, it is characterized in that: described optical-electric module (13) is fixedly connected on described pedestal (4) by the second countersunk head screw (14).
8. according to a kind of NPN type open collector three-phase output type photoelectric encoder described in claim 1 or 2, it is characterized in that: described rotating shaft (1) is steel axle.
9. according to a kind of NPN type open collector three-phase output type photoelectric encoder described in claim 1 or 2, it is characterized in that: described code-disc (7) is film code-disc.
10. according to a kind of NPN type open collector three-phase output type photoelectric encoder described in claim 1 or 2, it is characterized in that: described protective ring (10) is rubber protective ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210419709.6A CN103791932A (en) | 2012-10-27 | 2012-10-27 | NPN-type collecting electrode open circuit three-phase output type photoelectric encoder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210419709.6A CN103791932A (en) | 2012-10-27 | 2012-10-27 | NPN-type collecting electrode open circuit three-phase output type photoelectric encoder |
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| CN103791932A true CN103791932A (en) | 2014-05-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104237551A (en) * | 2014-09-22 | 2014-12-24 | 深圳市安邦信电子有限公司 | Speed measuring circuit with self-protection pulse encoder |
| CN109029238A (en) * | 2018-06-07 | 2018-12-18 | 宜宾丰川动力科技有限公司 | A kind of device and method of real-time measurement mechanical transmission clutch collar angular displacement |
-
2012
- 2012-10-27 CN CN201210419709.6A patent/CN103791932A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104237551A (en) * | 2014-09-22 | 2014-12-24 | 深圳市安邦信电子有限公司 | Speed measuring circuit with self-protection pulse encoder |
| CN104237551B (en) * | 2014-09-22 | 2017-11-17 | 深圳市安邦信电子有限公司 | A kind of band self-shield pulse coder tachometer circuit |
| CN109029238A (en) * | 2018-06-07 | 2018-12-18 | 宜宾丰川动力科技有限公司 | A kind of device and method of real-time measurement mechanical transmission clutch collar angular displacement |
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Application publication date: 20140514 |