CN203177809U - Photoelectric position sensing device - Google Patents
Photoelectric position sensing device Download PDFInfo
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- CN203177809U CN203177809U CN 201320120318 CN201320120318U CN203177809U CN 203177809 U CN203177809 U CN 203177809U CN 201320120318 CN201320120318 CN 201320120318 CN 201320120318 U CN201320120318 U CN 201320120318U CN 203177809 U CN203177809 U CN 203177809U
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- optoelectronic switch
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Abstract
The utility model relates to a photoelectric position sensing device comprising a photoelectric sensor working module and a position detection judging module, wherein the two modules are connected with each other. The photoelectric sensor working module comprises a U type photoelectric switch sensor and a photoelectric switch working circuit connected with the photoelectric switch sensor. After subjected to the current limiting process of the photoelectric switch working circuit, the output voltage of a power supply is output as an induced voltage. The position detection judging module comprises a voltage regulating unit connected in parallel with the photoelectric switch working circuit and composed of a voltage division circuit and a potentiometer, wherein the voltage division circuit and the potentiometer are connected in series with each other. The output voltage of a receiving power supply is regulated by the potentiometer and then is output as a comparison voltage. A level comparison unit is provided for receiving the induced voltage and the comparison voltage, and then comparing the induced voltage with the comparison voltage. When the level comparison unit judges that the induced voltage and the comparison voltage are equal to each other, the level comparison unit outputs an effective judgment signal. Upon receiving the effective judgment signal, an indication unit connected with the level comparison unit is indicated to output a corresponding judgment level signal. The photoelectric position sensing device has the advantages of simple structure, convenient installation, and low production and application cost.
Description
Technical field
The utility model relates to field of position sensors, particularly relates to a kind of optoelectronic position sensing device.
Background technology
The measuring technique scheme of photoelectrical position sensors such as traditional optical fiber, laser generally is for big displacement detection system designs, and is not suitable for several millimeters sensing ranges, and expensive, and therefore the cost performance of using in small-displacement measuring system is very low.
The utility model content
Based on this, be necessary to provide a kind of optoelectronic position sensing device simple in structure, lower-cost.
A kind of optoelectronic position sensing device, comprise interconnective photoelectric sensor operational module and position probing judge module, described photoelectric sensor operational module comprises U-shaped optoelectronic switch sensor and the optoelectronic switch operating circuit that is connected with described U-shaped optoelectronic switch sensor, the output voltage of power supply is exported the induced voltage that the transducing signal that is subjected to described U-shaped optoelectronic switch sensor influences after optoelectronic switch operating circuit current limliting, described position probing judge module comprises: the voltage-regulation unit, in parallel with described optoelectronic switch operating circuit, comprise the bleeder circuit and the potentiometer that are connected in series, thereby regulate the output comparative voltage by described potentiometer behind the output voltage of reception power supply; The level comparing unit compares after receiving described induced voltage and comparative voltage, and signal is effectively judged in output when described induced voltage and comparative voltage equate; Indicating member is connected with described level comparing unit, indicates receiving described effective judgement signal.
Among embodiment, the U-shaped groove of described U-shaped optoelectronic switch sensor comprises that one is subjected to optical window therein, and described induced voltage is linear relationship with being subjected to the light-receiving area of optical window.
Among embodiment, described indicating member comprises light emitting diode therein.
Among embodiment, described photoelectric sensor operational module is connected by three core signal wires with the position probing judge module therein, transmits the induced voltage signal of positive source signal, power cathode signal and the output of described optoelectronic switch operating circuit respectively.
Among embodiment, offer mounting hole site on the described photoelectric sensor operational module therein.
Among embodiment, described potentiometer has the indication of resistance value scale therein.
Another kind of optoelectronic position sensing device also is provided, comprise interconnective photoelectric sensor operational module and position probing judge module, described photoelectric sensor operational module comprises reflection-type optoelectronic switch sensor and the optoelectronic switch operating circuit that is connected with described reflection-type optoelectronic switch sensor, and the output voltage of power supply is exported the induced voltage that the transducing signal that is subjected to described reflection-type optoelectronic switch sensor influences after optoelectronic switch operating circuit current limliting; Described position probing judge module comprises: the voltage-regulation unit, and in parallel with described optoelectronic switch operating circuit, comprise the bleeder circuit and the potentiometer that are connected in series, thereby regulate the output comparative voltage by described potentiometer behind the output voltage of reception power supply; The level comparing unit compares after receiving described induced voltage and comparative voltage, and signal is effectively judged in output when described induced voltage and comparative voltage equate; Indicating member is connected with described level comparing unit, indicates receiving described effective judgement signal, and exports corresponding decision level signal.
Among embodiment, described photoelectric sensor operational module is connected by three core signal wires with the position probing judge module therein, transmits the induced voltage signal of positive source signal, power cathode signal and the output of described optoelectronic switch operating circuit respectively.
Among embodiment, offer mounting hole site on the described photoelectric sensor operational module therein.
Among embodiment, described potentiometer has the indication of resistance value scale therein.
Above-mentioned optoelectronic position sensing device is simple in structure, cost is lower.Obtain the induced voltage linear with the displacement of testee by optoelectronic switch working sensor module, and regulator potentiometer obtains the comparative voltage that equates with the induced voltage of optoelectronic switch working sensor module output, indicates by the effective judgement of level comparing unit output signal.Just can obtain corresponding displacement data by the resistance value of reading potentiometer this moment.
Description of drawings
Fig. 1 is the electrical block diagram of optoelectronic position sensing device among the embodiment.
Embodiment
For the purpose of this utility model, feature and advantage can more be become apparent, below in conjunction with accompanying drawing embodiment of the present utility model is described in detail.
Fig. 1 is the electrical block diagram of optoelectronic position sensing device among the embodiment, comprises interconnective photoelectric sensor operational module 100 and position probing judge module.
Photoelectric sensor operational module 100 comprises U-shaped optoelectronic switch sensor 110 and connected optoelectronic switch operating circuit 120.The output voltage of power supply is exported the induced voltage that the transducing signal that is subjected to U-shaped optoelectronic switch sensor 110 influences after optoelectronic switch operating circuit 120 current limlitings.U-shaped optoelectronic switch sensor 110 is a kind of existing devices, comprises that one is positioned at the optical window that is subjected to of U-shaped groove, is subjected to optical window to have certain light-receiving area.When the nontransparent detected material body position generation that is subjected to optical window that is positioned at U-shaped optoelectronic switch sensor 110 is mobile, U-shaped optoelectronic switch sensor 110 is changed by the light-receiving area of optical window, and linear change can take place the induced voltage of optoelectronic switch operating circuit 120 outputs.Just the displacement of testee is changed into the output of sensor sensing voltage.Optoelectronic switch operating circuit 120 comprises current-limiting resistance and pull-up resistor.
The position probing judge module comprises voltage-regulation unit 20, level comparing unit 230 and indicating member 240.
Voltage-regulation unit 20 is in parallel with optoelectronic switch operating circuit 120, comprises the bleeder circuit 210 and the potentiometer 220 that are connected in series.Bleeder circuit 210 can be realized with divider resistance.After voltage-regulation unit 20 receives the output voltage of power supply, thereby regulate the output comparative voltage by potentiometer 220.
Indicating member 240 is connected with level comparing unit 230, indicates receiving effective judgement signal; Among embodiment, also need and to judge that effectively signal outputs to external circuit therein.In the present embodiment, indicating member 240 is light emitting diodes (LED).In other embodiments, also can adopt neon tube or other light-emitting component to replace, perhaps use hummer to replace.
The divider resistance resistance of potentiometer 220 and bleeder circuit 210 need be calculated selection according to the induced voltage output area of system works voltage (supply voltage) and 120 outputs of optoelectronic switch operating circuit.Make resistance value by regulator potentiometer 220, can obtain to be pressed with induced electricity the comparative voltage of identical output area.Comparative voltage and induced voltage together are delivered to level comparing unit 230 and are compared, if comparative voltage equates that with induced voltage (induced voltage of optoelectronic switch operating circuit 120 outputs changes can pass through circuit design, be chosen as from large to small or a kind of among changing from small to big), then level comparing unit 230 will be exported effective judgement signal, the LED of control indicating member 240 carries out luminous indication, and will judge effectively that signal outputs to external circuit.In the present embodiment, potentiometer 220 is selected for use and is had resistance value scale indication, by calculating and contrast the scale of potentiometer 220, can demarcate scale on the potentiometer 220 corresponding to the detection displacement of optoelectronic position sensing device, therefore can carry out the displacement detecting of testee by the resistance value of regulator potentiometer 220, realize millimetre-sized sensing range.
Generally speaking, the principle of work of optoelectronic position sensing device is exactly to set one by the resistance value of regulator potentiometer 220 to detect displacement (being actually the magnitude of voltage of the comparative voltage of setting voltage regulon 20 outputs), when the detecting position phase shift of the displacement of testee and setting etc. (induced voltage of optoelectronic switch operating circuit 120 outputs equates with the magnitude of voltage of aforementioned setting), the position probing judge module is just indicated, operating personnel read the detection displacement corresponding with the scale of potentiometer 220 at this moment, have just obtained the displacement of testee.
In the present embodiment, photoelectric sensor operational module 100 adopts with the detection judge module and separates the structure that arranges.Photoelectric sensor operational module 100 is provided with positive source signal input interface, power cathode signal input interface and induced voltage signal output interface, detect judge module and be provided with positive source signal input interface, power cathode signal input interface and induced voltage signal input interface, connect by three core signal wires.Offer mounting hole site on the photoelectric sensor operational module, so the photoelectric sensor operational module 100 of small size can be installed in neatly on the operation detection physical construction.
Above-mentioned optoelectronic position sensing device is simple in structure, does not need to utilize the light reflection surface on the testee just can carry out position probing, so photoelectrical position sensor use simple installation, has reduced production and use cost simultaneously.
In another embodiment, can substitute U-shaped optoelectronic switch sensor 110 with the optoelectronic switch sensor of reflection-type, and increase by a reflecting piece at testee, can realize the function of optoelectronic position sensing device shown in Figure 1 equally.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. an optoelectronic position sensing device is characterized in that, comprises interconnective photoelectric sensor operational module and position probing judge module,
Described photoelectric sensor operational module comprises U-shaped optoelectronic switch sensor and the optoelectronic switch operating circuit that is connected with described U-shaped optoelectronic switch sensor, and the output voltage of power supply is exported the induced voltage that the transducing signal that is subjected to described U-shaped optoelectronic switch sensor influences after optoelectronic switch operating circuit current limliting;
Described position probing judge module comprises:
The voltage-regulation unit, in parallel with described optoelectronic switch operating circuit, comprise the bleeder circuit and the potentiometer that are connected in series, thereby regulate the output comparative voltage by described potentiometer behind the output voltage of reception power supply;
The level comparing unit compares after receiving described induced voltage and comparative voltage, and signal is effectively judged in output when described induced voltage and comparative voltage equate;
Indicating member is connected with described level comparing unit, indicates receiving described effective judgement signal, and exports corresponding decision level signal.
2. optoelectronic position sensing device according to claim 1 is characterized in that, the U-shaped groove of described U-shaped optoelectronic switch sensor comprises that one is subjected to optical window, and described induced voltage is linear relationship with being subjected to the light-receiving area of optical window.
3. optoelectronic position sensing device according to claim 1 is characterized in that, described indicating member comprises light emitting diode.
4. optoelectronic position sensing device according to claim 1, it is characterized in that, described photoelectric sensor operational module is connected by three core signal wires with the position probing judge module, transmits the induced voltage signal of positive source signal, power cathode signal and the output of described optoelectronic switch operating circuit respectively.
5. optoelectronic position sensing device according to claim 1 is characterized in that, offers mounting hole site on the described photoelectric sensor operational module.
6. optoelectronic position sensing device according to claim 1 is characterized in that, described potentiometer has the indication of resistance value scale.
7. an optoelectronic position sensing device is characterized in that, comprises interconnective photoelectric sensor operational module and position probing judge module,
Described photoelectric sensor operational module comprises reflection-type optoelectronic switch sensor and the optoelectronic switch operating circuit that is connected with described reflection-type optoelectronic switch sensor, and the output voltage of power supply is exported the induced voltage that the transducing signal that is subjected to described reflection-type optoelectronic switch sensor influences after optoelectronic switch operating circuit current limliting;
Described position probing judge module comprises:
The voltage-regulation unit, in parallel with described optoelectronic switch operating circuit, comprise the bleeder circuit and the potentiometer that are connected in series, thereby regulate the output comparative voltage by described potentiometer behind the output voltage of reception power supply;
The level comparing unit compares after receiving described induced voltage and comparative voltage, and signal is effectively judged in output when described induced voltage and comparative voltage equate;
Indicating member is connected with described level comparing unit, indicates receiving described effective judgement signal, and exports corresponding decision level signal.
8. optoelectronic position sensing device according to claim 7, it is characterized in that, described photoelectric sensor operational module is connected by three core signal wires with the position probing judge module, transmits the induced voltage signal of positive source signal, power cathode signal and the output of described optoelectronic switch operating circuit respectively.
9. optoelectronic position sensing device according to claim 7 is characterized in that, offers mounting hole site on the described photoelectric sensor operational module.
10. optoelectronic position sensing device according to claim 7 is characterized in that, described potentiometer has the indication of resistance value scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320120318 CN203177809U (en) | 2013-03-15 | 2013-03-15 | Photoelectric position sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320120318 CN203177809U (en) | 2013-03-15 | 2013-03-15 | Photoelectric position sensing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203177809U true CN203177809U (en) | 2013-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320120318 Expired - Lifetime CN203177809U (en) | 2013-03-15 | 2013-03-15 | Photoelectric position sensing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103754348A (en) * | 2014-01-10 | 2014-04-30 | 上海瑞华(集团)有限公司 | Manual operation control device of all-electric boat |
| CN105698675A (en) * | 2014-11-24 | 2016-06-22 | 夏普株式会社 | Position sensing device of infrared source, control device of fan blades and temperature adjustment device |
-
2013
- 2013-03-15 CN CN 201320120318 patent/CN203177809U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103754348A (en) * | 2014-01-10 | 2014-04-30 | 上海瑞华(集团)有限公司 | Manual operation control device of all-electric boat |
| CN103754348B (en) * | 2014-01-10 | 2016-06-01 | 上海瑞华(集团)有限公司 | The hand operation control device of a kind of pure electronic ship |
| CN105698675A (en) * | 2014-11-24 | 2016-06-22 | 夏普株式会社 | Position sensing device of infrared source, control device of fan blades and temperature adjustment device |
| CN105698675B (en) * | 2014-11-24 | 2019-06-28 | 夏普株式会社 | The position sensing apparatus of infrared radiation source, the control device of flabellum and temperature control equipment |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 No. 9 West West Road, Nanshan District hi tech park, Shenzhen, Guangdong Co-patentee after: HAN'S CNC SCIENCE AND TECHNOLOGY Co.,Ltd. Patentee after: HAN'S LASER TECHNOLOGY INDUSTRY GROUP Co.,Ltd. Address before: 518000 No. 9 West West Road, Nanshan District hi tech park, Shenzhen, Guangdong Co-patentee before: HAN'S CNC SCIENCE AND TECHNOLOGY Co.,Ltd. Patentee before: Han's Laser Technology Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200617 Address after: 518101 workshop 5 / F, 1 / 2 / F, 14 / F, 17 / F, antuoshan hi tech Industrial Park, Xinsha Road, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: HAN'S CNC SCIENCE AND TECHNOLOGY Co.,Ltd. Address before: 518000 No. 9 West West Road, Nanshan District hi tech park, Shenzhen, Guangdong Co-patentee before: HAN'S CNC SCIENCE AND TECHNOLOGY Co.,Ltd. Patentee before: HAN'S LASER TECHNOLOGY INDUSTRY GROUP Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518101 5 / F, 1 / 2 / F, 14 / F, 17 / F, No.3 Factory building, antuoshan hi tech Industrial Park, Xinsha Road, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Han's CNC Technology Co.,Ltd. Address before: 518101 5 / F, 1 / 2 / F, 14 / F, 17 / F, No.3 Factory building, antuoshan hi tech Industrial Park, Xinsha Road, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: HAN'S CNC SCIENCE AND TECHNOLOGY Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130904 |