CN201242459Y - Counting device for photoelectric encoder and photoelectric encoding counter thereof - Google Patents
Counting device for photoelectric encoder and photoelectric encoding counter thereof Download PDFInfo
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- CN201242459Y CN201242459Y CNU2008201624341U CN200820162434U CN201242459Y CN 201242459 Y CN201242459 Y CN 201242459Y CN U2008201624341 U CNU2008201624341 U CN U2008201624341U CN 200820162434 U CN200820162434 U CN 200820162434U CN 201242459 Y CN201242459 Y CN 201242459Y
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Abstract
The utility model discloses a photoelectric coding counting device and a photoelectric coding counter thereof. An infrared emission plate, a counter character wheel and an infrared receiving plate are arranged on the photoelectric coding counting device, a coding hole is arranged on the counter character wheel, photoelectric signals are converted into a group of binary codes through an infrared receiving tube according to the situation whether the infrared light emitted by an infrared emission tube is received by the infrared receiving tube through the coding hole. The photoelectric coding counter comprises a counter frame, a circuit board and five groups of photoelectric coding counting devices, wherein, a microprocessor, a photoelectric sample circuit and a wireless transmission circuit are arranged on the circuit board, the infrared receiving tube of each group of photoelectric coding counting device converts photoelectric signals of the infrared emission tube of the corresponding group into a group of binary codes, each group of binary codes are decoded and processed into a decimal value of the photoelectric coding counter, each decimal value is combined into an integral actual value through the microprocessor, and the actual value is transmitted to the counter system by the wireless transmission circuit controlled by the microprocessor. The photoelectric coding counting device and the photoelectric coding counter thereof have the advantages that the structural design is simple, the data acquisition is accurate and reliable, and the automatic meter reading based on the wireless network and the real-time monitoring of the operation condition of the gas meter are conveniently realized.
Description
Technical field:
The utility model relates to a kind of photoelectric coding counting assembly and photoelectric coding counter thereof based on wireless sensor network, is mainly used in family expenses epithelium gas meter, flow meter metering counting, metrical information transmission, can conveniently form the wireless automatic meter reading network.
Background technology:
Along with the urbanization construction advances, the popularization and application of pipeline natural gas, family expenses epithelium gas meter, flow meter consumption is increasing, and the problem of combustion gas operation enterprise production management, safety management, the management of checking meter is also outstanding thereupon.The demand of prepaying intelligent metering gas meter, flow meters such as gas meter, flow meter, remote automatic meter reading for the modern management that adapts to combustion gas operation enterprise is increasing.At present, the sensor for countering device great majority of intelligent gas meter are to install tongue tube or Hall element on counter-support additional, install magnet on the character wheel additional, the tongue tube counting is that near the sheet metal closure of adhesive tongue tube when magnet on the character wheel forwards to the tongue tube obtains starting signal; Hall element counting is to utilize to be contained in that magnetic changes near two opposite polarity magnet forward Hall element on the character wheel, makes Hall element send electric signal.
Above sampling sensor and transmission mode existing problems:
1,, cause gas meter, flow meter metering sensitivity, measuring accuracy to reduce because the magnetic attraction between magnet and the tongue tube sheet metal strengthens character wheel transmission resistance and shake;
2, tongue tube and Hall element all are that suction, magnetic polarity by magnetic changes and produce the electric signal pulse, have the extraneous magnetic interference can't acquired signal;
3, tongue tube and Hall element sampled signal are worked having under the power supply prerequisite, and signal storage is to finish by the memory storage chip, in case the numeration of outage method.
Summary of the invention:
Technical problem to be solved in the utility model is to overcome existing above-mentioned deficiency in the prior art, and provide a kind of photoelectric coding counting assembly and photoelectric coding counter thereof based on wireless sensor network, utilize photoelectric conversion technique to improve reliability, antijamming capability, reduce cost.
The technical scheme in the invention for solving the above technical problem is: this photoelectric coding counting assembly, it is characterized in that being provided with the infrared emission plate, the counter character wheel, infrared dash receiver, on the counter character wheel notch is set, the infrared emission plate is arranged on a side of counter character wheel, infrared dash receiver is arranged on the opposite side of counter character wheel, several infrared transmitting tubes are set on the infrared emission plate, several infrared receiving tubes are set on the infrared dash receiver, infrared transmitting tube, the infrared receiving tube coupling, whether the infrared light that sends according to infrared transmitting tube is received by infrared receiving tube by notch, and infrared receiving tube converts photosignal to one group of electrical signal data binary coding.
Infrared transmitting tube described in the utility model, infrared receiving tube are respectively 5, the counter character wheel is provided with 0～90 word, corresponds respectively to binary coding 00101,00011,01010,00110,10100,01100,01001,11000,10010,10001.
Photoelectric coding counting assembly described in the utility model has 5 groups.
The utility model solves the problems of the technologies described above the technical scheme that is adopted and also comprises a kind of band photoelectric coding counter of photoelectric coding counting assembly as mentioned above, comprise counter frame and wiring board, wiring board is provided with microprocessor, photoelectric sampling circuit, wireless transceiver circuit, microprocessor is connected with wireless transceiver circuit, it is characterized in that being provided with the photoelectric coding counting assembly of the not corresponding decimal digit numerical value of fractions, the infrared emission plate of every group of photoelectric coding counting assembly, the counter character wheel, infrared dash receiver is installed on the counter frame successively, infrared transmitting tube is as the input of photoelectric sampling circuit, infrared receiving tube is connected with microprocessor as the output of photoelectric sampling circuit, the infrared receiving tube of every group of photoelectric coding counting assembly converts the photosignal of the infrared transmitting tube of correspondence group to one group of electrical signal data binary coding, every group of binary coding is converted to the decimal system bit value of photoelectric coding counter by the microprocessor decoding processing, every decimal system numerical value is combined into complete actual numerical value, and this actual numerical value is transmitted to counter system by microprocessor control wireless transceiver circuit.
Photoelectric coding counting assembly described in the utility model is generally 5 groups, corresponding successively metric the position of every group of photoelectric coding counting assembly, ten, hundred, kilobit, myriabit.
Signal sampling of the present utility model is to obtain encoded digital information by the infrared electro conversion, isolation conversion between the photoelectricity has improved the utility model reliability of products and antijamming capability, has guaranteed the sensitivity of family expenses epithelium gas meter, flow meter, measuring accuracy that the utility model product is made and the interference that is not subjected to magnetic.
Data of the present utility model are to obtain information data by between the counter character wheel notch by opto-electronic conversion, and the sampling of only just switching on when the needs information data need not memory storage chip and power supply at ordinary times, provides cost savings.
Ray machine power conversion technology, electronic information technology, wireless transmit-receive technology have been used in the utility model set, and information data transmission is to be finished by wireless sensor network, has solved the high difficulty of construction, maintenance, networking and cost.
Description of drawings:
Fig. 1 is the utility model embodiment photoelectric conversion section synoptic diagram.
Fig. 2 is the utility model embodiment photoelectricity transformation principle figure.
Fig. 3 is the utility model embodiment character wheel code pattern.
Fig. 4 is the utility model example structure synoptic diagram.
Fig. 5 is the utility model embodiment photoelectric sampling circuit figure.
Fig. 6 is the utility model embodiment control circuit figure.
Embodiment:
The utility model photoelectricity transformation principle as shown in Figure 1, when 5 LED infrared transmitting tubes on the infrared expelling plate I (send Infrared during the energising of DF1～DF5), (DJ1～DJ5) receives infrared light to 5 infrared receiving tubes on the infrared dash receiver III, Infrared or pass the notch II-1 of counter character wheel II or be counted device character wheel II and block, infrared receiving tube (among DJ1～DJ5 one) the place photoelectric conversion unit of wherein receiving infrared transmitting tube (among DF1～DF5 the) infrared light of sending out will conducting, as shown in Figure 2, sampled point J point voltage is 0V among Fig. 2 at this moment, the expression low level is with 0 expression; Block when infrared light is counted device character wheel II, promptly Dui Ying infrared receiving tube does not receive infrared light, and the voltage that J is ordered among Fig. 2 is 3V at this moment, and the expression high level is with 1 expression; When on infrared expelling plate I and the infrared dash receiver III 5 pairs of infrared transmitting tubes, infrared receiving tube being arranged respectively, just produced one group of binary coding that 5 " 0 " or " 1 " has been formed, the position difference of counter character wheel II is the corresponding codes difference then.
Referring to Fig. 1～Fig. 6, the utility model embodiment is provided with infrared emission plate I based on the photoelectric coding counting assembly of wireless sensor network, counter character wheel II, infrared dash receiver III, on the counter character wheel II notch II-1 is set, infrared emission plate I is arranged on the side of counter character wheel II, infrared dash receiver III is arranged on the opposite side of counter character wheel II, 5 infrared transmitting tubes are set on the infrared emission plate I, 5 infrared receiving tubes are set on the infrared dash receiver III, infrared transmitting tube, the infrared receiving tube coupling, whether the infrared light that sends according to infrared transmitting tube is received by infrared receiving tube by notch II-1, and infrared receiving tube converts photosignal to one group 5 electrical signal data binary coding.Counter character wheel II is provided with 0～90 word, corresponds respectively to binary coding 00101,00011,01010,00110,10100,01100,01001,11000,10010,10001.For example the binary coding corresponding to the counter character wheel II decimal system 0 is 00101 (being respectively binary the 1st～5th from right to left), be thereby that infrared transmitting tube DF2, DF4, infrared light that DF5 sends out pass notch II-1 on the counter character wheel II and received this position by infrared receiving tube DJ2, DJ4, DJ5 and present 0, block and make infrared receiving tube DJ1, DJ3 not receive this position to present 1 thereby infrared transmitting tube DF1, infrared light that DF3 sends out are counted device character wheel II.All the other binary codings are analogized.
The utility model solves the problems of the technologies described above the technical scheme that is adopted and also comprises a kind of photoelectric coding counter based on wireless sensor network, comprise counter frame IV, wiring board V and 5 groups of photoelectric coding counting assemblys that are installed in successively on the counter frame IV, every group of photoelectric coding counting assembly (as Fig. 4 from right to left, decimal omits) corresponding successively metric position, ten, hundred, kilobit, myriabit, wherein the photoemission receiving trap adopts dual platen, promptly one side is infrared emission plate I, and another side is infrared dash receiver III.Wiring board V is provided with microprocessor U4 (for example single-chip microcomputer), photoelectric sampling circuit, wireless transceiver circuit, microprocessor U4 is connected with wireless transceiver circuit, wiring board V and infrared emission plate I, infrared dash receiver III connects, infrared transmitting tube is as the input of photoelectric sampling circuit, infrared receiving tube is connected with microprocessor as the output of photoelectric sampling circuit, the infrared receiving tube of every group of photoelectric coding counting assembly converts the photosignal of the infrared transmitting tube of correspondence group to one group of electrical signal data binary coding, every group of binary coding is converted to the decimal system bit value of photoelectric coding counter by microprocessor U4 decoding processing, every decimal system numerical value is combined into complete actual numerical value, and this actual numerical value is transmitted to counter system by microprocessor U4 control wireless transceiver circuit.
The utility model embodiment has adopted 5 groups of photoelectric coding counting assemblys, the counter character wheel II of every group of photoelectric coding counting assembly is by the single-chip microcomputer scan control, the coding of light, mechanical, electrical conversion is produced data-signal through editor, transmit information to wireless sensor network by wireless transceiver circuit.The utility model apparatus structure simplicity of design, data acquisition are installed in the family expenses epithelium gas meter, flow meter and can conveniently be used in combination accurately and reliably, can realize radio network automatic meter transcription and monitor the gas meter, flow meter operation conditions in real time.
The photoelectric sampling circuit of the utility model embodiment adopts the mode of Fig. 5 to form, wherein above triode T0～T3 circuit with circuit above the triode T4, microprocessor U4 adopts common single-chip microcomputer, and wireless transceiver circuit and radio receiving transmitting module thereof can adopt prior art.Under the conventional state, radio receiving transmitting module is in accepting state, receive to gather when the radio receiving transmitting module receiving antenna and change when waking up signal, should be by delivering to 13 pin PB1 ports of main control singlechip after filtering and the decoding, after single-chip microcomputer is received sample command, 31 pin PD1 of single-chip microcomputer, 32 pin PD2,1 pin PD3,2 pin PD4,3 pin PD5 are output low level successively, drive the triode T0 among Fig. 5 successively, T1, T2, T3, T4 makes it conducting respectively, gives five groups of infrared transmitting tubes respectively, infrared receiving tube (every group of infrared transmitting tube, infrared receiving tube has 5 infrared transmitting tubes respectively, 5 infrared receiving tubes) power supply.According to luminous whether being received of infrared transmitting tube by corresponding infrared receiving tube among Fig. 3, different height (1), low (0) level of the just corresponding generation of the J1 of infrared receiving tube, J2, J3, J4, J5 point, this moment, 23 pin PC0,24 pin PC1,25 pin PC2,26 pin PC3, these 5 I/O mouths of 27 pin PC4 of single-chip microcomputer just read sampled point J1, J2, J3, J4, J5 point high-low level, these 5 level have just been formed the coding of a character wheel number, and the coding of five groups of infrared transmitting tubes, infrared receiving tube is a representative position, ten, one hundred, thousand, the data of myriabit character wheel respectively just.Single-chip microcomputer collects the power supply of cutting out the infrared photocell group after the data, and single-chip microcomputer by 13 pin PB1 ports modulation output, is transferred to wireless sensor network with the data that collect.The 17 pin PB5 that are controlled by single-chip microcomputer for the power supply that reduces the power consumption wireless transmission circuit.
Claims (5)
1, a kind of photoelectric coding counting assembly, it is characterized in that: be provided with the infrared emission plate, the counter character wheel, infrared dash receiver, on the counter character wheel notch is set, the infrared emission plate is arranged on a side of counter character wheel, infrared dash receiver is arranged on the opposite side of counter character wheel, several infrared transmitting tubes are set on the infrared emission plate, several infrared receiving tubes are set on the infrared dash receiver, infrared transmitting tube, the infrared receiving tube coupling, whether the infrared light that sends according to infrared transmitting tube is received by infrared receiving tube by notch, and infrared receiving tube converts photosignal to one group of electrical signal data binary coding.
2, photoelectric coding counting assembly according to claim 1, it is characterized in that: described infrared transmitting tube, infrared receiving tube are respectively 5, the counter character wheel is provided with 0～90 word, corresponds respectively to binary coding 00101,00011,01010,00110,10100,01100,01001,11000,10010,10001.
3, photoelectric coding counting assembly according to claim 1 is characterized in that: described photoelectric coding counting assembly has 5 groups.
4, a kind of cum rights profit requires the photoelectric coding counter of 1 described photoelectric coding counting assembly, comprise counter frame and wiring board, wiring board is provided with microprocessor, photoelectric sampling circuit, wireless transceiver circuit, microprocessor is connected with wireless transceiver circuit, it is characterized in that: the photoelectric coding counting assembly that is provided with the not corresponding decimal digit numerical value of fractions, the infrared emission plate of every group of photoelectric coding counting assembly, the counter character wheel, infrared dash receiver is installed on the counter frame successively, infrared transmitting tube is as the input of photoelectric sampling circuit, infrared receiving tube is connected with microprocessor as the output of photoelectric sampling circuit, the infrared receiving tube of every group of photoelectric coding counting assembly converts the photosignal of the infrared transmitting tube of correspondence group to one group of electrical signal data binary coding, every group of binary coding is converted to the decimal system bit value of photoelectric coding counter by the microprocessor decoding processing, every decimal system numerical value is combined into complete actual numerical value, and this actual numerical value is transmitted to counter system by microprocessor control wireless transceiver circuit.
5, photoelectric coding counter according to claim 4 is characterized in that: described photoelectric coding counting assembly is 5 groups, corresponding successively metric the position of every group of photoelectric coding counting assembly, ten, hundred, kilobit, myriabit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201624341U CN201242459Y (en) | 2008-08-12 | 2008-08-12 | Counting device for photoelectric encoder and photoelectric encoding counter thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201624341U CN201242459Y (en) | 2008-08-12 | 2008-08-12 | Counting device for photoelectric encoder and photoelectric encoding counter thereof |
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| CN201242459Y true CN201242459Y (en) | 2009-05-20 |
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| CNU2008201624341U Expired - Fee Related CN201242459Y (en) | 2008-08-12 | 2008-08-12 | Counting device for photoelectric encoder and photoelectric encoding counter thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102496261A (en) * | 2011-12-07 | 2012-06-13 | 利尔达科技有限公司 | Data reading method and device of photovoltaic direct-reading water meter |
| CN109341821A (en) * | 2018-11-03 | 2019-02-15 | 艾特仪表科技（深圳）有限公司 | Using the character wheel positive and negative rotation detection method of arc-shaped light tank |
| CN109341822A (en) * | 2018-11-03 | 2019-02-15 | 艾特仪表科技（深圳）有限公司 | Using the character wheel positive and negative rotation detection method of two light transmission through-holes |
| CN111928915A (en) * | 2020-07-20 | 2020-11-13 | 安徽翼迈科技股份有限公司 | Direct reading method for passive photoelectric direct-reading electromechanical separation meter module |
-
2008
- 2008-08-12 CN CNU2008201624341U patent/CN201242459Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102496261A (en) * | 2011-12-07 | 2012-06-13 | 利尔达科技有限公司 | Data reading method and device of photovoltaic direct-reading water meter |
| CN102496261B (en) * | 2011-12-07 | 2014-06-04 | 利尔达科技集团股份有限公司 | Data reading method and device of photovoltaic direct-reading water meter |
| CN109341821A (en) * | 2018-11-03 | 2019-02-15 | 艾特仪表科技（深圳）有限公司 | Using the character wheel positive and negative rotation detection method of arc-shaped light tank |
| CN109341822A (en) * | 2018-11-03 | 2019-02-15 | 艾特仪表科技（深圳）有限公司 | Using the character wheel positive and negative rotation detection method of two light transmission through-holes |
| CN111928915A (en) * | 2020-07-20 | 2020-11-13 | 安徽翼迈科技股份有限公司 | Direct reading method for passive photoelectric direct-reading electromechanical separation meter module |
| CN111928915B (en) * | 2020-07-20 | 2022-05-03 | 安徽翼迈科技股份有限公司 | Direct reading method for passive photoelectric direct-reading electromechanical separation meter module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hangzhou Honghu Electronics Co. Ltd. Assignor: Pan Hongyuan Contract record no.: 2010330000439 Denomination of utility model: Photoelectric coding counting device and photoelectric coding counter Granted publication date: 20090520 License type: Exclusive License Record date: 20100408 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090520 Termination date: 20130812 |