CN106931999A - Photoelectric coding counter with communication is sensed based on plastic optical fiber - Google Patents
Photoelectric coding counter with communication is sensed based on plastic optical fiber Download PDFInfo
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- CN106931999A CN106931999A CN201511011630.XA CN201511011630A CN106931999A CN 106931999 A CN106931999 A CN 106931999A CN 201511011630 A CN201511011630 A CN 201511011630A CN 106931999 A CN106931999 A CN 106931999A
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- character wheel
- plastic optical
- counter
- face
- optical fiber
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/54—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using means specified in two or more of groups G01D5/02, G01D5/12, G01D5/26, G01D5/42, and G01D5/48
- G01D5/56—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using means specified in two or more of groups G01D5/02, G01D5/12, G01D5/26, G01D5/42, and G01D5/48 using electric or magnetic means
Abstract
The present invention relates to a kind of photoelectric coding counter sensed based on plastic optical fiber with communication, it is characterized in, each character wheel end face or periphery of stepping character wheel counter are provided with light reflection code region, one end of some plastic optical fibers connects the equal single optical transceiver of quantity, the other end of these plastic optical fibers is luminous light-receiving end, and the luminous light end face of plastic optical fiber is provided with the end face or periphery of reflection region against character wheel.The present invention is a kind of location recognition technology, therefore it is unrelated with measurement form, precision, method, and what is directly read is stepping character wheel counter encoder digital i.e. " window value ", and the parameters such as the table truth of a matter, table constant need not be set in table, without data storage, in the absence of cumulative errors.And, there is no Mechanical Contact, do not interfere with measuring accuracy.The present invention is combined with plastic fiber communication module, forms stronger network insertion characteristic, continuous data can be converted into radio signal RF, or is converted into 485 bus signals, so as to will the independent flow meter instrument of dispersion continuous data teletransmission to collector or main website.
Description
Technical field
The present invention relates to a kind of photoelectric coding counter, especially a kind of photoelectric coding counter with plastic optical fiber and single optical transceiving device as photoelectric conversion sensor and with plastic optical fiber transmission communication.
Background technology
Stepping character wheel counter is simple because of it, and interpretation is intuitively easy, and is still widely used in the measurement instruments such as electric energy meter, gas meter, flow meter, water meter, calorimeter.In the case where gauge table instantly develops to intelligent, teletransmissionization, traditional stepping character wheel counter photoelectric coding counter is transformed into.Existing photoelectric coding counter realizes the opto-electronic conversion to character wheel counter using paired luminescent device and sensor devices, certain distance is mutually separated between luminescent device and sensor devices, under various tables tool environment, sensor devices receive signal can be weakened, the sensitivity of photoelectric coding counter is thus influenceed, while can also be subject to extraneous light interference and electromagnetic interference unavoidably.
The content of the invention
The object of the invention is to provide a kind of photoelectric coding counter sensed based on plastic optical fiber with communication.
To achieve the above object, the technical scheme is that, it is a kind of based on plastic optical fiber sense with communication photoelectric coding counter, it is characterised in that：Composition is included, stepping character wheel counter, plastic optical fiber and single optical transceiver and communication module, each character wheel end face or periphery of the stepping character wheel counter are provided with light reflection code region, one end of some plastic optical fibers connects the equal single optical transceiver of quantity, the other end of these plastic optical fibers is luminous light-receiving end, and the luminous light end face of plastic optical fiber is provided with the end face or periphery of reflection region against character wheel.
In the above-mentioned technical solutions, coding rule is pressed on a side end face of each character wheel of stepping character wheel counter some encoded light zones of reflections are set, some plastic optical fibers are fixed on the same side of the character wheel encoded light zone of reflections, these plastic optical fiber end faces are located at and just the encoded light zone of reflections in character wheel rotation process are wanted by trajectory, and it is close to character wheel end face, another end face of these plastic optical fibers is in light connects with single optical transceiver, single optical transceiver is connected with photoelectric coding treatment and communication module, photoelectric coding treatment and communication module are by stepping character wheel counter in measurement moment each character wheel positional information conversion decoding electric signal teletransmission to main website or collector.
In the above-mentioned technical solutions, three sections of light reflection bars of concentric circles and radius identical are provided with the stepping character wheel counter each character wheel end face, three sections of light reflection bar circular arcs are respectively 24 degree to central angle, 96 degree and 60 degree, five plastic optical fibers are fixed with the plastic optical fiber fixed plate of character wheel side, this five plastic optical fibers are also that concentric circles is uniformly distributed, the central angle that plastic optical fiber is formed between any two is 72 degree, the luminous and light end face of five plastic optical fibers is vertical and the end face of encoded light reflection bar is provided with against character wheel, the distance of every plastic optical fiber range counter rotation axis is identical and identical with the radius distance of three sections of light reflection bar range counter rotation axis.
In the above-mentioned technical solutions, coded slice is set on each character wheel end face of the stepping character wheel counter, concentric circles but the different encoded light reflection bar section of radius is printed with coded slice, form a binary system（8421 yards）Coded slice, four plastic optical fibers are provided with the fixed plate of character wheel side, the luminous and light end face of this four plastic optical fibers is vertical and the end face of encoded light reflection bar is provided with against character wheel, and this four radial distances of plastic optical fiber range counter rotation axis are identical with the radius distance of four layers of light reflection bar range counter rotation axis in coded slice.
In the above-mentioned technical solutions, coding rule is pressed on the periphery of each character wheel of stepping character wheel counter some encoded light zones of reflections are set, some plastic optical fibers are radially arranged along character wheel, i.e. the luminous light end face of these plastic optical fibers is just pair and the character wheel periphery glazing zone of reflections is wanted by trajectory in character wheel rotation process, another end face of these plastic optical fibers is in light connects with single optical transceiver, single optical transceiver is connected with photoelectric coding treatment and communication module, photoelectric coding treatment and communication module are by stepping character wheel counter in measurement moment each character wheel positional information conversion decoding electric signal teletransmission to main website or collector.
In the above-mentioned technical solutions, the single optical transceiver works in a half duplex mode.
Advantages of the present invention
1. the luminous of plastic optical fiber, light end face abut character wheel end face or side face, and the light leakage that plastic optical fiber sends is few.Opto-electronic conversion sensitivity is high, step-by-step counting reliability.In addition, plastic optical fiber optical transceiver can be operated in single wavelength（Such as blue and green light or feux rouges）, can so improve to background light antijamming capability.
2. plastic optical fiber line footpath is thin, and generally within 1 millimeter, it abuts the light echo area on character wheel in addition, can improve the reading accuracy of character wheel position, also beneficial to the miniaturization of mechanical photoelectric coding counter.
3. using single plastic optical fiber optical transceiver as photoelectric sensor, the time interval of the half-duplex work of single optical transceiver can adjust setting, the mode of operation of character wheel positional information is read using timing or by order, power consumption is saved, and with stronger anti-electromagnetic interference capability.
4. plastic optical fiber can not be influenceed by humid environment, and networking wiring is easy, advantage of lower cost.
Brief description of the drawings
Fig. 1 is that photoelectric coding counter of the present invention communicates schematic diagram with plastic optical fiber and the attachment structure of single optical transceiver, and teletransmission.
Fig. 2 is the photoelectric coding character wheel schematic diagram of the embodiment of the present invention one.
Fig. 3 is the photoelectric coding character wheel and plastic optical fiber fixed plate schematic diagram of the embodiment of the present invention one.
Fig. 4 is the photoelectric coding character wheel schematic diagram of the embodiment of the present invention two.
Fig. 5 is the photoelectric coding character wheel and plastic optical fiber fixed plate schematic diagram of the embodiment of the present invention two.
Fig. 6 is the photoelectric coding character wheel and plastic optical fiber and fixed plate schematic diagram of the embodiment of the present invention three.
In the figures above,1 is flow meter tool,2 is stepping character wheel counter,3 is plastic optical fiber beam,4 is single optical transceiver group,5 is photoelectric coding treatment and communication module,6 is battery,7 is main website,8 is collector,21 is character wheel,22 is that central angle is 24 degree of light reflection bars,23 is that central angle is 96 degree of light reflection bars,24 is that central angle is 60 degree of light angles of reflection,31 is plastic optical fiber fixed plate,32 is plastic optical fiber mounting hole,33 is light reflection bar,34 is character wheel,41 is character wheel,42 is light reflection printed board,43 is light reflection bar,44 is plastic optical fiber fixed plate,45 is plastic optical fiber,51 is character wheel,52 is plastic optical fiber fixed plate,53 is the luminous light-receiving end of plastic optical fiber,54 is character wheel periphery light reflection code bar,55 is counter shaft,56 is counter framework.
Specific embodiment
Embodiment one
The present embodiment such as accompanying drawing 2, shown in 3, stepping character wheel counter character wheel end face uses Gray code, three sections of light reflection bars 22 of concentric circles and radius identical are provided with stepping character wheel counter each character wheel end face, 23, 24, three sections of light reflection bar circular arcs are respectively 24 degree to central angle, 96 degree and 60 degree, five plastic optical fibers are fixed with the plastic optical fiber fixed plate 31 of character wheel side, this five plastic optical fibers are also that concentric circles is uniformly distributed, the central angle that plastic optical fiber is formed between any two is 72 degree, the luminous and light end face of five plastic optical fibers is vertical and the end face of encoded light reflection bar is provided with against character wheel, the distance of every plastic optical fiber range counter rotation axis is identical and identical with the radius distance of three sections of light reflection bar range counter rotation axis.
Embodiment two
The present embodiment sets coded slice 42 as shown in accompanying drawing 4,5 on stepping character wheel counter each end face of character wheel 41, concentric circles but the different encoded light reflection bar section 43 of radius are printed with coded slice 42, forms a binary system（8421 yards）Coded slice, four plastic optical fibers are provided with character wheel side fixed plate 44, the luminous and light end face of this four plastic optical fibers is vertical and the end face of encoded light reflection bar is provided with against character wheel, and this four radial distances of plastic optical fiber range counter rotation axis are identical with the radius distance of four layers of light reflection bar range counter rotation axis in coded slice.
Embodiment three
The present embodiment is as shown in Figure 6, coding rule is pressed on the periphery of each character wheel of stepping character wheel counter some encoded light zones of reflections are set, some plastic optical fibers are radially arranged along character wheel, i.e. the luminous light end face of these plastic optical fibers is just pair and the character wheel periphery glazing zone of reflections is wanted by trajectory in character wheel rotation process, another end face of these plastic optical fibers is in light connects with single optical transceiver, single optical transceiver is connected with photoelectric coding treatment and communication module, photoelectric coding treatment and communication module are by stepping character wheel counter in measurement moment each character wheel positional information conversion decoding electric signal teletransmission to main website or collector.
What above-described embodiment was given senses a kind of location recognition technology that photoelectric technology and microelectric technique are based on the photoelectric coding counter of communication based on plastic optical fiber, therefore it is unrelated with measurement form, certainty of measurement, measuring method, it may be said that be one kind " display mode " of tradition machinery formula table tool.From the point of view of e measurement technology angle, photoelectric direct-reading is not double measurement, and what is directly read is mechanical counter encoder digital i.e. " window value ", the parameters such as the table truth of a matter, table constant need not be set in table, it is " meter reading " truly in the absence of cumulative errors without data storage.And, the device such as counter inside photoelectric sensing part in photoelectric direct reading gas meter and table tool is completely separate, and does not have Mechanical Contact, thus does not interfere with measuring accuracy.
It is combined what above-mentioned implementation was given with plastic fiber communication module with the photoelectric coding counter of communication based on plastic optical fiber sensing, constitute communication system as shown in Figure 1, flow measurement optical signal can be converted into electric signal, radio signal RF can also be converted into simultaneously, or it is converted into 485 bus signals, the communication interface of networking teletransmission can be provided convenient for each piece of independent flow meter tool, with stronger network insertion characteristic.
Claims (6)
- It is 1. a kind of to be sensed and the photoelectric coding counter for communicating based on plastic optical fiber, it is characterised in that：Composition is included, stepping character wheel counter, plastic optical fiber and single optical transceiver and communication module, each character wheel end face or periphery of the stepping character wheel counter are provided with light reflection code region, one end of some plastic optical fibers connects the equal single optical transceiver of quantity, the other end of these plastic optical fibers is luminous light-receiving end, and the luminous light end face of plastic optical fiber is provided with the end face or periphery of reflection region against character wheel.
- It is 2. according to claim 1 to be sensed and the photoelectric coding counter for communicating based on plastic optical fiber, it is characterised in that：Coding rule is pressed on a side end face of each character wheel of stepping character wheel counter some encoded light zones of reflections are set, some plastic optical fibers are fixed on the same side of the character wheel encoded light zone of reflections, these plastic optical fiber end faces are located at and just the encoded light zone of reflections in character wheel rotation process are wanted by trajectory, and it is close to character wheel end face, another end face of these plastic optical fibers is in light connects with single optical transceiver, single optical transceiver is connected with photoelectric coding treatment and communication module, photoelectric coding treatment and communication module are by stepping character wheel counter in measurement moment each character wheel positional information conversion decoding electric signal teletransmission to main website or collector.
- It is 3. according to claim 2 to be sensed and the photoelectric coding counter for communicating based on plastic optical fiber, it is characterised in that：Three sections of light reflection bars of concentric circles and radius identical are provided with the stepping character wheel counter each character wheel end face, three sections of light reflection bar circular arcs are respectively 24 degree to central angle, 96 degree and 60 degree, five plastic optical fibers are fixed with the plastic optical fiber fixed plate of character wheel side, this five plastic optical fibers are also that concentric circles is uniformly distributed, the central angle that plastic optical fiber is formed between any two is 72 degree, the luminous and light end face of five plastic optical fibers is vertical and the end face of encoded light reflection bar is provided with against character wheel, the distance of every plastic optical fiber range counter rotation axis is identical and identical with the radius distance of three sections of light reflection bar range counter rotation axis.
- It is 4. according to claim 2 to be sensed and the photoelectric coding counter for communicating based on plastic optical fiber, it is characterised in that：Coded slice is set on the stepping character wheel counter each character wheel end face, concentric circles but the different encoded light reflection bar section of radius are printed with coded slice, form a binary system（8421 yards）Coded slice, four plastic optical fibers are provided with the fixed plate of character wheel side, the luminous and light end face of this four plastic optical fibers is vertical and the end face of encoded light reflection bar is provided with against character wheel, and this four radial distances of plastic optical fiber range counter rotation axis are identical with the radius distance of four layers of light reflection bar range counter rotation axis in coded slice.
- It is 5. according to claim 1 to be sensed and the photoelectric coding counter for communicating based on plastic optical fiber, it is characterised in that：Coding rule is pressed on the periphery of each character wheel of stepping character wheel counter some encoded light zones of reflections are set, some plastic optical fibers are radially arranged along character wheel, i.e. the luminous light end face of these plastic optical fibers is just pair and the character wheel periphery glazing zone of reflections is wanted by trajectory in character wheel rotation process, another end face of these plastic optical fibers is in light connects with single optical transceiver, single optical transceiver is connected with photoelectric coding treatment and communication module, photoelectric coding treatment and communication module are by stepping character wheel counter in measurement moment each character wheel positional information conversion decoding electric signal teletransmission to main website or collector.
- It is 6. according to claim 1 and 2 to be sensed and the photoelectric coding counter for communicating based on plastic optical fiber, it is characterised in that：The single optical transceiver works in a half duplex mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511011630.XA CN106931999A (en) | 2015-12-30 | 2015-12-30 | Photoelectric coding counter with communication is sensed based on plastic optical fiber |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511011630.XA CN106931999A (en) | 2015-12-30 | 2015-12-30 | Photoelectric coding counter with communication is sensed based on plastic optical fiber |
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| CN106931999A true CN106931999A (en) | 2017-07-07 |
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Citations (6)
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|---|---|---|---|---|
| JP3102698U (en) * | 2004-01-08 | 2004-07-15 | 前鼎光電股▲分▼有限公司 | Plug-type single-core bidirectional optical transceiver |
| CN1782674A (en) * | 2004-12-05 | 2006-06-07 | 无锡市路通电子技术有限公司 | Optical fiber device for directly reading mechanical counter number |
| CN101319918A (en) * | 2008-07-22 | 2008-12-10 | 陈健 | Tele-metering direct-reading encoder of meter counter |
| CN103095407A (en) * | 2012-12-28 | 2013-05-08 | 广州中大微电子有限公司 | Digital coding device of reader-writer chip and coding method applying the same |
| CN104763592A (en) * | 2015-03-24 | 2015-07-08 | 南京宇能新能源科技有限公司 | Electric energy parallel output type vertical axis wind power generation system with axial power generators |
| CN205482996U (en) * | 2015-12-30 | 2016-08-17 | 南京宇能新能源科技有限公司 | Photoelectric coding counter based on plastics optical fiber sensing and communication |
-
2015
- 2015-12-30 CN CN201511011630.XA patent/CN106931999A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3102698U (en) * | 2004-01-08 | 2004-07-15 | 前鼎光電股▲分▼有限公司 | Plug-type single-core bidirectional optical transceiver |
| CN1782674A (en) * | 2004-12-05 | 2006-06-07 | 无锡市路通电子技术有限公司 | Optical fiber device for directly reading mechanical counter number |
| CN101319918A (en) * | 2008-07-22 | 2008-12-10 | 陈健 | Tele-metering direct-reading encoder of meter counter |
| CN103095407A (en) * | 2012-12-28 | 2013-05-08 | 广州中大微电子有限公司 | Digital coding device of reader-writer chip and coding method applying the same |
| CN104763592A (en) * | 2015-03-24 | 2015-07-08 | 南京宇能新能源科技有限公司 | Electric energy parallel output type vertical axis wind power generation system with axial power generators |
| CN205482996U (en) * | 2015-12-30 | 2016-08-17 | 南京宇能新能源科技有限公司 | Photoelectric coding counter based on plastics optical fiber sensing and communication |
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