CN106989790A - A kind of pulse reading photo-electronic directly reading combines gas meter, flow meter - Google Patents
A kind of pulse reading photo-electronic directly reading combines gas meter, flow meter Download PDFInfo
- Publication number
- CN106989790A CN106989790A CN201710346621.9A CN201710346621A CN106989790A CN 106989790 A CN106989790 A CN 106989790A CN 201710346621 A CN201710346621 A CN 201710346621A CN 106989790 A CN106989790 A CN 106989790A
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- Prior art keywords
- reading
- photo
- flow meter
- counting
- gas meter
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- 239000007789 gas Substances 0.000 claims description 36
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000000567 combustion gas Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000005622 photoelectricity Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/06—Indicating or recording devices
- G01F15/068—Indicating or recording devices with electrical means
-
- 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
- G01D5/26—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Measuring Volume Flow (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The present invention relates to gas meavuremeut apparatus field, more particularly to a kind of pulse reading photo-electronic directly reading combination gas meter, flow meter.The gas meter, flow meter that the present invention is provided, by setting photoelectric direct-reading apparatus and pulse counting equipment simultaneously, so that the counting reliability of gas meter, flow meter is increased substantially, and the integrated cost of two modules of installation will not increase simultaneously, in addition in the structure that the present invention is provided, the digit of photo-electronic directly reading can the gas meter, flow meter of more only photoelectric direct-reading apparatus reduce, if do not used 5 pairs of photoelectric tubes only with 4 pairs, or even 3 pairs.Due within the of short duration time that photo-electronic directly reading can not read numeral, read by pulse technique, therefore the reduction of photoelectric tube can't reduce counting precision, or only the relatively situation containing more photoelectric tube has subtle effects, but overall precision is still significantly higher than single photo-electronic directly reading or step-by-step counting mode.
Description
Technical field
The present invention relates to gas meavuremeut apparatus field, more particularly to a kind of pulse reading-photo-electronic directly reading combination gas meter, flow meter.
Background technology
Current digital gas meter is divided into two kinds of photo-electronic directly reading gas meter, flow meter and step-by-step counting gas meter, flow meter mostly, but specific
Using when, there is the problem of reading inaccurate to adjacent digital transition region in photo-electronic directly reading technology, i.e. existing photo-electronic directly reading technology is to two
The individual critical transition zones domain close to numeral, it is impossible to realize differentiation very；And pulse counting techniques then lose pulse and count by presence
The problem of number is inaccurate.Therefore, all there is counting error to a certain extent in the gas meter, flow meter that two kinds of method of counting are used alone.
The content of the invention
It is an object of the invention to overcome the error in reading existed in the prior art using the gas meter, flow meter of independent method of counting
Or some moment the problem of there is no reading there is provided a kind of while be combined with two kinds of method of counting, and then carry out reading complementation
Gas meter, flow meter.
In order to realize foregoing invention purpose, the invention provides following technical scheme：
A kind of pulse reading-photo-electronic directly reading combination gas meter, flow meter, including,
Character wheel, is provided with loophole sideways, meanwhile, circumferential surface is provided with magnet steel；
Pulse counting equipment, records gas values formation second using step-by-step counting mode and counts；；
Photoelectric direct-reading apparatus, records gas values formation first using photo-electronic directly reading mode and counts；；
Microprocessor, receives the first counting of photoelectric direct-reading apparatus reading and the second of pulse counting equipment reading counts；Work as word
Wheel goes to photo-electronic directly reading when reserving loophole, has the first count signal to export to microprocessor, and microprocessor is corrected using counting
The numerical value that module correction second is counted, meanwhile, the first count signal is exported as current count；When character wheel go to loophole with
Photoelectric direct-reading apparatus nothing but reading position when, now without the first count signal export, using the second count signal output as ought
Preceding to count, i.e. in each circumference that character wheel is rotated, the first counting and the second counting alternately turn into current count, and every
It is secondary when reading the first counting, all counted once with count value correction second.
Further, the photoelectric direct-reading apparatus includes counting device and reading plotter；
The reading plotter includes multigroup photo-electronic directly reading character wheel plate, photo-electronic directly reading acquisition control plate and multigroup corresponding transmitting electricity
Road and receiving circuit；
It is provided with the both sides of each character wheel on one group of photo-electronic directly reading character wheel plate, the photo-electronic directly reading character wheel plate of side and is provided with transmitting
Receiving circuit is provided with circuit, opposite side photo-electronic directly reading character wheel plate；
The radiating circuit includes the photoemission cell composition of multiple cascade current-limiting resistances, and the receiving circuit includes multiple photoelectricity
Reception pipe is constituted；
The photo-electronic directly reading acquisition control plate is provided with control chip, the control chip control radiating circuit transmitting optical telecommunications
Number, the level that analysis receiving circuit is returned obtains binary code, and binary code is converted into combustion gas meter reading；
In some embodiments, the quantity of the photoemission cell and the photoelectric receiving tube is at least 5.
In other embodiment, the quantity of the photoemission cell and the photoelectric receiving tube is 4.
Further, the pulse counting equipment includes the first PCB plates, tongue tube and counting chip, the first PCB
Plate has the notch end that is oppositely arranged and an inserted terminal, the tongue tube be located in the recess of the first PCB plate notch ends and with
First pcb board is welded, and the inserted terminals of the first PCB plates has two contacts, described two contacts respectively with the tongue tube
Two pads connection；The inserted terminal of first pcb board is plugged on the second pcb board for being provided with counting chip.
Further, the inserted terminal of the first PCB plates is to be respectively arranged with the pin of two separation, two pins
One contact, two contacts are connected with two pads of the tongue tube respectively.
Further, neck is provided with the 2nd PCB plates, the pocket edges are provided with corresponding with the contact
Tie point, the first PCB plates are plugged in the neck by inserted terminal.
Further, more than two first pcb boards, the wherein PCB of each two the first are provided with the outside of the character wheel
The tongue tube and the angle in character wheel axle center set in plate is more than 90 °.
Further, the distance of character wheel surface and the tongue tube is 1-2mm.
It is preferred that, the line of magnet steel to the circular line of character wheel and loophole to the character wheel center of circle is misaligned.
Compared with prior art, beneficial effects of the present invention：The gas meter, flow meter that the present invention is provided, by setting photoelectric direct simultaneously
Read apparatus and pulse counting equipment so that the counting reliability of gas meter, flow meter is increased substantially, and the comprehensive of two modules is installed simultaneously
Synthesis originally will not increase, and on the premise of gas meter, flow meter stability and count accuracy is improved, use the gas company of the gas meter, flow meter
Substantial amounts of manual maintenance expense, travel charge, free replacement gas meter, flow meter expense etc. can be saved.In addition in the structure that the present invention is provided,
The digit of photo-electronic directly reading can more only photoelectric direct-reading apparatus gas meter, flow meter reduce, if do not used 5 pairs of photoelectric tubes only with 4 pairs,
Even 3 pairs.Due within the of short duration time that photo-electronic directly reading can not read numeral, being read by pulse technique, therefore photoelectric tube
Reduction can't reduce counting precision, or only relatively the situation containing more photoelectric tube has subtle effects, but overall precision is still
Significantly it is higher than single photo-electronic directly reading or step-by-step counting mode.
Brief description of the drawings：
Technique device theory diagram in the gas meter, flow meter that Fig. 1 provides for the present invention.
Fig. 2 is the first pcb board in the present invention and dry reed-pipe structure specific example.
Fig. 3 is the first pcb board in the present invention and another specific example of dry reed-pipe structure.
Reference：1- microprocessors, 2, pulse counting equipment, the pcb boards of 21- first, 22- tongue tubes, the PCB of 23- the first
The notch end of plate, 24- pads, 25- inserted terminals, 26- contacts, 27- pins, 4- counts correction module.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is described in further detail.But this should not be interpreted as to this
The scope for inventing above-mentioned theme is only limitted to following embodiment, all to belong to the present invention based on the technology that present invention is realized
Scope.
Embodiment 1：A kind of pulse reading-photo-electronic directly reading combination gas meter, flow meter, including character wheel, pulse counting equipment 2, photoelectric direct
Read apparatus and microprocessor 1；The character wheel side is provided with loophole, meanwhile, circumferential surface is provided with magnet steel；The pulsimeter
Counting apparatus 2 records gas values formation second using step-by-step counting mode and counted；The photoelectric direct-reading apparatus uses photo-electronic directly reading side
Formula record gas values formation first is counted；The microprocessor 1 receives the first counting and the pulsimeter that photoelectric direct-reading apparatus is read
The second counting that counting apparatus 2 is read；When character wheel, which goes to photo-electronic directly reading, reserves loophole, there is the first count signal to export to micro- place
Manage device 1, microprocessor 1 using counts correction module 4 correction second count numerical value, meanwhile, using the first count signal as work as
It is preceding to count output；When character wheel goes to loophole with photoelectric direct-reading apparatus reading position nothing but, now without the first count signal
Output, regard the output of the second count signal as current count, i.e. in each circumference that character wheel is rotated, and first counts and the
Two count alternately as current count, and when reading the first counting every time, are all counted once with count value correction second.
Further, the photoelectric direct-reading apparatus includes counting device and reading plotter；The reading plotter includes multigroup
Photo-electronic directly reading character wheel plate, photo-electronic directly reading acquisition control plate and multigroup corresponding transmitting and receiving circuit；In each character wheel
Both sides are provided with one group of photo-electronic directly reading character wheel plate, the photo-electronic directly reading character wheel plate of side and are provided with radiating circuit, opposite side photoelectricity
Receiving circuit is provided with direct reading character plate；The radiating circuit includes the photoemission cell composition of multiple cascade current-limiting resistances,
The receiving circuit is constituted including multiple photoelectric receiving tubes；The photo-electronic directly reading acquisition control plate is provided with control chip, described
Control chip control radiating circuit transmitting photosignal, the level that analysis receiving circuit is returned obtains binary code, by two
Carry system code is converted to combustion gas meter reading；
In some embodiments, the quantity of the photoemission cell and the photoelectric receiving tube is at least 5.Other embodiment
In, the quantity of the photoemission cell and the photoelectric receiving tube is 4.
The pulse counting equipment 2 includes the first pcb board, tongue tube 22 and counting chip, the first PCB plates
With the notch end 23 and inserted terminal 25 being oppositely arranged, the tongue tube 22 is located at the recess of the first PCB plates notch end 23
Interior and welded with the first pcb board 21, the inserted terminal 25 of the first PCB plates has two contacts 26, described two 26 points of contacts
It is not connected with two pads 24 of the tongue tube 22；The inserted terminal 25 of first pcb board 21, which is plugged on, is provided with counting
On second pcb board of chip.The inserted terminal 25 of the first PCB plates is to distinguish on the pin 27 of two separation, two pins 27
A contact 26 is provided with, two contacts 26 are connected with two pads 24 of the tongue tube 22 respectively.2nd PCB
Neck is provided with plate, the pocket edges are provided with to be passed through with the corresponding tie point in the contact 26, the first PCB plates
Inserted terminal 25 is plugged in the neck.More than two first pcb boards 21 are provided with the outside of the character wheel, wherein every two
The tongue tube 22 and the angle in character wheel axle center set in individual first pcb board 21 is more than 90 °.Character wheel surface and the tongue tube 22
Distance be 1-2mm.：Using the above-mentioned structure of tongue tube 22, simple, the high in machining efficiency, reliability of assembling is high, stability is strong,
The problem of installation for avoiding conventional bending pinned easily causes the rupture of the body of tongue tube 22 or damaged, so that reduction significantly
Cost.
It is preferred that, in the present embodiment, the line of magnet steel to the circular line of character wheel and loophole to the character wheel center of circle is misaligned.
Claims (10)
1. a kind of pulse reading-photo-electronic directly reading combination gas meter, flow meter, it is characterised in that including,
Character wheel, is provided with loophole sideways, meanwhile, circumferential surface is provided with magnet steel；Pulse counting equipment, using step-by-step counting side
Formula records gas values；
Photoelectric direct-reading apparatus, records gas values formation first using photo-electronic directly reading mode and counts；
Pulse counting equipment, records gas values formation second using step-by-step counting mode and counts；
Microprocessor, receives first and counts and the second counting；When there is the first count signal, using counting correction module correction the
Two count；By the output of the first count signal；When no first count signal, the second count signal is exported.
2. as claim 1 gas meter, flow meter, it is characterised in that the photoelectric direct-reading apparatus includes counting device and reading and filled
Put；
The reading plotter includes multigroup photo-electronic directly reading character wheel plate, photo-electronic directly reading acquisition control plate and multigroup corresponding transmitting electricity
Road and receiving circuit；
It is provided with the both sides of each character wheel on one group of photo-electronic directly reading character wheel plate, the photo-electronic directly reading character wheel plate of side and is provided with transmitting
Receiving circuit is provided with circuit, opposite side photo-electronic directly reading character wheel plate；
The radiating circuit includes the photoemission cell composition of multiple cascade current-limiting resistances, and the receiving circuit includes multiple photoelectricity
Reception pipe is constituted；
The photo-electronic directly reading acquisition control plate is provided with control chip, the control chip control radiating circuit transmitting optical telecommunications
Number, the level that analysis receiving circuit is returned obtains binary code, and binary code is converted into combustion gas meter reading.
3. as claim 2 gas meter, flow meter, it is characterised in that the quantity of the photoemission cell and the photoelectric receiving tube is extremely
It is 5 less.
4. as claim 2 gas meter, flow meter, it is characterised in that the quantity of the photoemission cell and the photoelectric receiving tube is
4.
5. gas meter, flow meter as claimed in claim 1, it is characterised in that the pulse counting equipment includes the first PCB plates, dry spring
Pipe and counting chip, the first PCB plates have the notch end that is oppositely arranged and an inserted terminal, and the tongue tube is located at described the
Welded in the recess of one PCB plate notch ends and with the first pcb board, the inserted terminal of the first PCB plates has two contacts, institute
Two contacts are stated to be connected with two pads of the tongue tube respectively；The inserted terminal of first pcb board, which is plugged on, to be provided with
On second pcb board of counting chip.
6. the gas meter, flow meter as described in claim 5, it is characterised in that the inserted terminal of the first PCB plates is two separation
A contact is respectively arranged with pin, two pins, two contacts are connected with two pads of the tongue tube respectively.
7. the gas meter, flow meter as described in claim 6, it is characterised in that neck, the neck are provided with the 2nd PCB plates
Edge is provided with tie point corresponding with the contact, and the first PCB plates are plugged in the neck by inserted terminal.
8. the gas meter, flow meter as described in claim 5, it is characterised in that be provided with more than two described the on the outside of the character wheel
The tongue tube and the angle in character wheel axle center set in one pcb board, the wherein pcb board of each two first is more than 90 °.
9. the gas meter, flow meter as described in claim 5, it is characterised in that the distance of character wheel surface and the tongue tube is 1-2mm.
10. as claim 1 gas meter, flow meter, it is characterised in that magnet steel to the circular line of character wheel and loophole to character wheel circle
The line of the heart is misaligned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710346621.9A CN106989790A (en) | 2017-05-17 | 2017-05-17 | A kind of pulse reading photo-electronic directly reading combines gas meter, flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710346621.9A CN106989790A (en) | 2017-05-17 | 2017-05-17 | A kind of pulse reading photo-electronic directly reading combines gas meter, flow meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106989790A true CN106989790A (en) | 2017-07-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710346621.9A Pending CN106989790A (en) | 2017-05-17 | 2017-05-17 | A kind of pulse reading photo-electronic directly reading combines gas meter, flow meter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844602A (en) * | 2018-06-22 | 2018-11-20 | 天信仪表集团有限公司 | A kind of self diagnosis of the direct-reading mechanical counter of tape pulse input and bearing calibration |
| CN110426094A (en) * | 2019-08-30 | 2019-11-08 | 武汉力拓达科技有限公司 | A kind of metering device and method |
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| CN101349573A (en) * | 2008-08-12 | 2009-01-21 | 潘洪源 | Photoelectric coding counting device and photoelectric coding counter |
| CN103278218A (en) * | 2013-04-23 | 2013-09-04 | 江苏振华信息科技有限公司 | Flow monitoring device used for mechanical water meter |
| CN204069526U (en) * | 2014-09-09 | 2014-12-31 | 成都千嘉科技有限公司 | A kind of tongue tube assembling device and tongue tube pulse counter |
| CN206725030U (en) * | 2017-05-17 | 2017-12-08 | 成都千嘉科技有限公司 | Pulse reading photo-electronic directly reading digital gas meter |
-
2017
- 2017-05-17 CN CN201710346621.9A patent/CN106989790A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1645064A (en) * | 2005-01-11 | 2005-07-27 | 江阴市立信智能设备有限公司 | Digital direct reading remote watermeters |
| CN101349573A (en) * | 2008-08-12 | 2009-01-21 | 潘洪源 | Photoelectric coding counting device and photoelectric coding counter |
| CN103278218A (en) * | 2013-04-23 | 2013-09-04 | 江苏振华信息科技有限公司 | Flow monitoring device used for mechanical water meter |
| CN204069526U (en) * | 2014-09-09 | 2014-12-31 | 成都千嘉科技有限公司 | A kind of tongue tube assembling device and tongue tube pulse counter |
| CN206725030U (en) * | 2017-05-17 | 2017-12-08 | 成都千嘉科技有限公司 | Pulse reading photo-electronic directly reading digital gas meter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844602A (en) * | 2018-06-22 | 2018-11-20 | 天信仪表集团有限公司 | A kind of self diagnosis of the direct-reading mechanical counter of tape pulse input and bearing calibration |
| CN108844602B (en) * | 2018-06-22 | 2020-01-10 | 天信仪表集团有限公司 | Self-diagnosis and correction method of direct-reading mechanical counter with pulse input |
| CN110426094A (en) * | 2019-08-30 | 2019-11-08 | 武汉力拓达科技有限公司 | A kind of metering device and method |
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Application publication date: 20170728 |