CN207540608U - Gas meter, flow meter metering signal harvester - Google Patents
Gas meter, flow meter metering signal harvester Download PDFInfo
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- CN207540608U CN207540608U CN201721494358.XU CN201721494358U CN207540608U CN 207540608 U CN207540608 U CN 207540608U CN 201721494358 U CN201721494358 U CN 201721494358U CN 207540608 U CN207540608 U CN 207540608U
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Abstract
The utility model is related to a kind of gas meter, flow meter metering signal harvesters.The utility model includes mechanical counter, sampling gear, transition gear, signal output gear and master control borad.Sampling character wheel is engaged with the signal input gear of signal input gear group, and is sampled character wheel and engaged simultaneously with lead-in wheel with transition gear.Transition gear is engaged with signal output gear.Master control borad is arranged on the front of signal output gear, parallel with signal output gear end face.Hall sensor is provided on master control borad, Hall sensor position is corresponded on signal output gear and is provided with magnet steel.The utility model solves original metering signal harvester magnet steel installation difficulty first.Also original metering signal harvester Hall installation inconsistency and the situation of acquisition jitter up and down are solved.Metering be not affected it is more stable, also eliminate because caused by the reason of manual operation acquire signal it is bad the problem of.
Description
Technical field
The utility model belongs to gas meter, flow meter field of measuring techniques, and in particular to a kind of gas meter, flow meter metering signal harvester.
Background technology
Existing combustion gas meter signal acquisition device structure is as shown in Figure 1, upper Hall subassembly A and lower Hall subassembly B on the market
For electronic device part, character wheel of counter installs magnet steel C additional.When character wheel turns around, upper Hall subassembly and lower Hall subassembly respectively with
Magnet steel is attracted once, is obtained the information and is acquired signal success.The magnet steel of existing metering signal harvester installs calibrated trouble,
On character wheel, installation requirement precision is not higher, easy to operate.And the requirement of Hall subassembly installation site is high up and down, electronic device
Must assure that it is consistent with magnet steel relative position, have deviation will cause signal acquisition less than.Install Hall subassembly cost of labor up and down additional
And Material Cost is higher.Therefore magnet steel is mounted in outer gear, while upper and lower Hall subassembly is cancelled, hall device is pasted
Piece has very big saving on master control borad from Material Cost and artificial running cost.
Invention content
The purpose of this utility model is to provide a kind of gas meter, flow meter metering signal harvesters.
The utility model includes mechanical counter, sampling gear, transition gear, signal output gear and master control borad.It is described
Mechanical counter in right side be provided with lead-in wheel.Sampling character wheel, mechanical counter are provided with behind the frame of mechanical counter
The frame lower right corner by being provided with transition gear behind frame.The frame rear of mechanical counter is provided with signal input gear group
Signal input gear.Sampling character wheel is engaged with signal input gear, and is sampled character wheel and nibbled simultaneously with lead-in wheel with transition gear
It closes.Signal output gear is provided with below transition gear, transition gear is engaged with signal output gear.Master control borad is fixedly installed
Below mechanical counter, the top of master control borad is parallel with master control borad mechanical counter bottom surface, the upper right corner setting of master control borad
It is parallel with signal output gear end face in the front of signal output gear.The master control borad upper right corner is provided with a pair of of Hall sensor,
Hall sensor position is corresponded on signal output gear and is provided with magnet steel.
Disk is uniformly arranged with teeth on the right side of the mechanical counter lead-in wheel.
Sampling character wheel mounting groove is provided with behind the frame of the mechanical counter, sampling gear is arranged on sampling character wheel
In mounting groove.
The frame lower right corner of the mechanical counter behind frame by being provided with transition gear mounting platform, transition gear
It is mounted on before transition gear mounting platform with signal output gear.
The signal input gear pre-small post-large two layers cone pulley different for the number of teeth from sampling character wheel, sampling character wheel are straight
The small cone pulley of diameter engages simultaneously with the tooth on the right side of lead-in wheel and transition gear, and the big cone pulley of sampling character wheel diameter inputs tooth with signal
The cone pulley that the signal input gear diameter of wheel group is small engages.
Magnet steel storehouse is fixedly installed on the signal output gear, magnet steel is arranged in magnet steel storehouse.Magnet steel storehouse includes peace
It behave affectedly and fixed block, installation cavity is the hollow columnar structures that section is imperfect annulus, cylindrical magnet steel is arranged in installation cavity.
Fixed block is arranged on the missing face of installation cavity, and protrusion is provided at the top of fixed block.
The master control borad is the intermediate chip circuit plate for carrying display screen.
Two Hall sensors are symmetrical with signal output gear central axes.
The utility model changes traditional idea of winning the confidence, and solves original metering signal harvester magnet steel installation first
Difficult problem.Also original metering signal harvester Hall installation inconsistency and the feelings of acquisition jitter up and down are solved
Condition.This metering signal harvester, is drawn by gear.Its acquisition signal principle is constant, when character wheel turns around, installs magnetic
The gear of steel simultaneously also enclose by rotation one.So metering be not affected it is more stable, also eliminate because the reason of manual operation leads
The problem of acquisition signal of cause is bad.Hall sensor there are two settings, magnet steel to have to pass through two sensor master control borads simultaneously
Just count, avoid magnet steel it is opposite with one of sensor when the counting error that will appear so that counting is more accurate.Material
Cost and artificial running cost are relatively low.
Description of the drawings
Fig. 1 is the structure diagram of the prior art；
Fig. 2 is the positive structure diagram of the utility model；
Fig. 3 is the backsight structural representation of the utility model；
Fig. 4 is that Fig. 2 removes the structure diagram after character wheel frame and master control borad；
Fig. 5 is the right side structural representation of Fig. 4；
Fig. 6 is the drive mechanism schematic diagram of each gear in the utility model；
Fig. 7 is the drive mechanism schematic diagram of lead-in wheel and each gear in the utility model；
Fig. 8 is the schematic view of the mounting position of signal output gear and master control borad in Fig. 2.
Specific embodiment
Hereinafter reference will be made to the drawings, and the preferred embodiment of the utility model is described in detail.
As shown in Fig. 2~7, a kind of gas meter, flow meter metering signal harvester, including mechanical counter 1, sampling gear 2, mistake
Cross gear 3, signal output gear 4 and master control borad 5.Mechanical counter 1 includes cuboid framework, and water is provided among frame structure
Flat axis alters on trunnion axis and is connected to eight character wheels, and the first character wheel of right side is as lead-in wheel 11.11 right side disk of lead-in wheel is uniformly arranged
It is with teeth.Sampling character wheel mounting groove 12 is provided with behind the frame of mechanical counter 1, sampling gear 2 is arranged on sampling character wheel installation
In slot 12.The frame lower right corner of mechanical counter 1 behind frame by being provided with transition gear mounting platform 13,3 He of transition gear
Signal output gear 4 is mounted on 13 front of transition gear mounting platform.The frame rear of mechanical counter 1 is provided with signal input
Gear set 6, input gear group 6 is with sampling 2 meshed gears of character wheel as signal input gear 61.Signal input gear 61 is with taking
Sample character wheel 2 is different two layers pre-small post-large of the cone pulley of the number of teeth, the small cone pulley of sampling 2 diameter of character wheel simultaneously with 11 right side of lead-in wheel
Tooth and transition gear 3 engage, the big cone pulley of sampling 2 diameter of character wheel is straight with signal input gear 61 in signal input gear group 6
The small cone pulley engagement of diameter.The lower section of transition gear 3 is provided with signal output gear 4, and transition gear 3 is nibbled with signal output gear 4
It closes.
As shown in figure 8, being fixedly installed magnet steel storehouse on signal output gear 4, magnet steel 42 is provided in magnet steel storehouse.Magnet steel storehouse
Including installation cavity 411 and fixed block 412, installation cavity for section be imperfect annulus hollow columnar structures, cylindrical magnet steel 42
It is arranged in installation cavity.Fixed block 412 is arranged on the missing face of installation cavity, and the top of fixed block 412 is provided with protrusion, and utilization is convex
It rises and magnet steel 42 is fixed in installation cavity 411.
Master control borad 5 is fixed at 1 lower section of mechanical counter, on gas meter housing.Master control borad 5 is carried for centre
The chip circuit plate of display screen.The top of master control borad 5 is parallel with 1 bottom surface of master control borad mechanical counter, the upper right corner of master control borad 5
The front of signal output gear 4 is arranged on, it is parallel with 4 end face of signal output gear.5 upper right corner of master control borad is provided with a pair of of Hall
Sensor 7, two Hall sensors are symmetrical with 4 central axes of signal output gear, each Hall sensor it is defeated away from signal
The distance for going out 4 central axes of gear is equal with distance of the magnet steel 42 away from 4 central axes of signal output gear so that output gear rotates through
Magnet steel 42 can successively pass through two Hall sensors in journey.
The course of work：When gas meter, flow meter is ventilated, table tool internal gas flow drives input gear group in table to rotate, in input gear group
Signal input gear drive sampling character wheel rotation, sampling character wheel drives lead-in wheel and transition gear to rotate simultaneously.Lead-in rotates
The dynamic mechanical count for completing gas meter, flow meter completes machinery and wins the confidence.Transition gear drives the rotation of signal output gear, signal output gear
While rotation, magnet steel rotates along signal output gear central axes, and magnet steel is by first Hall element and passes through the
Main control chip counts in master control borad after two Hall elements, and variable is included in the middle part of master control borad on display screen, completion number
Word is won the confidence.
Claims (8)
1. a kind of gas meter, flow meter metering signal harvester, including mechanical counter, sampling gear, transition gear, signal output gear
Wheel and master control borad；It is characterized in that：Right side is provided with lead-in wheel in the mechanical counter；Behind the frame of mechanical counter
Sampling character wheel is provided with, the frame lower right corner of mechanical counter behind frame by being provided with transition gear；The frame of mechanical counter
Frame rear is provided with the signal input gear of signal input gear group；Sampling character wheel is engaged with signal input gear, and samples word
Wheel engages simultaneously with lead-in wheel with transition gear；Signal output gear, transition gear and signal are provided with below transition gear
Output gear engages；Master control borad is fixed at below mechanical counter, under the top of master control borad and master control borad mechanical counter
Bottom surface is parallel, and the upper right corner of master control borad is arranged on the front of signal output gear, parallel with signal output gear end face；Master control borad
The upper right corner is provided with a pair of of Hall sensor, and Hall sensor position is corresponded on signal output gear and is provided with magnet steel.
2. a kind of gas meter, flow meter metering signal harvester as described in claim 1, it is characterised in that：The mechanical counter
Disk is uniformly arranged with teeth on the right side of lead-in wheel.
3. a kind of gas meter, flow meter metering signal harvester as described in claim 1, it is characterised in that：The mechanical counter
Frame behind be provided with sampling character wheel mounting groove, sampling gear be arranged on sampling character wheel mounting groove in.
4. a kind of gas meter, flow meter metering signal harvester as described in claim 1, it is characterised in that：The mechanical counter
The frame lower right corner be mounted on transition by being provided with transition gear mounting platform, transition gear and signal output gear behind frame
Before gear mounting platform.
5. a kind of gas meter, flow meter metering signal harvester as described in claim 1, it is characterised in that：The signal input tooth
Wheel pre-small post-large two layers cone pulley different for the number of teeth from sampling character wheel, the small cone pulley of sampling character wheel diameter are right with lead-in wheel simultaneously
Tooth and the transition gear engagement of side, the big cone pulley of sampling character wheel diameter and the signal input gear diameter of signal input gear group are small
Cone pulley engagement.
6. a kind of gas meter, flow meter metering signal harvester as described in claim 1, it is characterised in that：The signal output gear
Magnet steel storehouse is fixedly installed on wheel, magnet steel is arranged in magnet steel storehouse；Magnet steel storehouse includes installation cavity and fixed block, and installation cavity is section
For the hollow columnar structures of imperfect annulus, cylindrical magnet steel is arranged in installation cavity；Fixed block is arranged on the missing of installation cavity
Face is provided with protrusion at the top of fixed block.
7. a kind of gas meter, flow meter metering signal harvester as described in claim 1, it is characterised in that：During the master control borad is
Between carry display screen chip circuit plate.
8. a kind of gas meter, flow meter metering signal harvester as described in claim 1, it is characterised in that：Two Halls pass
Sensor is symmetrical with signal output gear central axes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721494358.XU CN207540608U (en) | 2017-11-10 | 2017-11-10 | Gas meter, flow meter metering signal harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721494358.XU CN207540608U (en) | 2017-11-10 | 2017-11-10 | Gas meter, flow meter metering signal harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207540608U true CN207540608U (en) | 2018-06-26 |
Family
ID=62612893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721494358.XU Active CN207540608U (en) | 2017-11-10 | 2017-11-10 | Gas meter, flow meter metering signal harvester |
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| CN (1) | CN207540608U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109029611A (en) * | 2018-08-03 | 2018-12-18 | 真兰仪表科技有限公司 | A kind of gas meter counter and its application method based on Hall effect |
| CN109341737A (en) * | 2018-11-21 | 2019-02-15 | 金卡智能集团股份有限公司 | Intelligent metering instrument brush sample count structure |
| CN111103025A (en) * | 2020-02-26 | 2020-05-05 | 青岛积成电子股份有限公司 | Gas table counting assembly easy and simple to handle |
-
2017
- 2017-11-10 CN CN201721494358.XU patent/CN207540608U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109029611A (en) * | 2018-08-03 | 2018-12-18 | 真兰仪表科技有限公司 | A kind of gas meter counter and its application method based on Hall effect |
| CN109029611B (en) * | 2018-08-03 | 2024-03-26 | 真兰仪表科技有限公司 | Gas meter counter based on Hall effect and use method thereof |
| CN109341737A (en) * | 2018-11-21 | 2019-02-15 | 金卡智能集团股份有限公司 | Intelligent metering instrument brush sample count structure |
| CN109341737B (en) * | 2018-11-21 | 2024-04-12 | 金卡智能集团股份有限公司 | Brush sampling counting structure of intelligent metering instrument |
| CN111103025A (en) * | 2020-02-26 | 2020-05-05 | 青岛积成电子股份有限公司 | Gas table counting assembly easy and simple to handle |
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