CN207439490U - Gas meter, flow meter metering signal separated time harvester - Google Patents
Gas meter, flow meter metering signal separated time harvester Download PDFInfo
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- CN207439490U CN207439490U CN201721493567.2U CN201721493567U CN207439490U CN 207439490 U CN207439490 U CN 207439490U CN 201721493567 U CN201721493567 U CN 201721493567U CN 207439490 U CN207439490 U CN 207439490U
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Abstract
The utility model is related to gas meter, flow meter metering signal separated time harvesters.The utility model includes mechanical counter, the first sampling gear, the second sampling gear, transition gear, signal output gear and master control borad；First sampling gear and the tooth engagement on the right side of lead-in wheel；Signal input gear is engaged with the first sampling character wheel, the second sampling gear；Second sampling gear is engaged with transition gear；Signal output gear is engaged with transition gear；Master control borad is arranged on the front of signal output gear, parallel with signal output gear 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 magnet steel installation difficulty.Also solve upper and lower Hall installation inconsistency and gather the situation of jitter and use the patterns of double sampling character wheels, greatly reduce the probability of occurrence count failure.Metering is not affected more stable, elimination because gathering the problem of signal is bad caused by the reason for manual operation.
Description
Technical field
The utility model belongs to gas meter, flow meter field of measuring techniques, is related to a kind of gas meter, flow meter metering signal separated time harvester.
Background technology
Existing combustion gas meter signal acquisition device uses Hall subassembly and lower Hall subassembly as electronics part on the market
Point, character wheel of counter installs magnet steel additional.When character wheel turns around, upper Hall subassembly and lower Hall subassembly are respectively attracted once with magnet steel,
It obtains the information and gathers 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 and magnet steel
Relative position is consistent, have deviation will cause signal acquisition less than.It is higher to install Hall subassembly cost of labor and Material Cost up and down additional.
Therefore by magnet steel gear mounted externally, while upper and lower Hall subassembly is cancelled, by hall device patch on master control borad, from
There is very big saving on Material Cost and artificial running cost.
The content of the invention
The purpose of this utility model is just to provide a kind of gas meter, flow meter metering signal separated time harvester.
The utility model includes mechanical counter, the first sampling gear, the second sampling gear, transition gear, signal output
Gear and master control borad；Right side is provided with lead-in wheel in the mechanical counter；First sampling tooth is set behind mechanical counter
Wheel, the first sampling word and the tooth engagement on the right side of lead-in wheel；The frame rear of mechanical counter is provided with signal input gear group
Signal input gear；Second sampling gear is located at signal input gear bottom, and left side is provided with transition gear；First sampling word
Wheel, the second sampling gear are engaged with signal input gear；Second sampling character wheel is engaged with transition gear, signal output gear and
Transition 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 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.
Disk is uniformly arranged with teeth on the right side of the lead-in wheel.
The first sampling character wheel mounting groove is provided with behind the frame of the mechanical counter, the first sampling gear is arranged on
In first sampling character wheel mounting groove.
The signal input gear, the first sampling character wheel and the second sampling gear pre-small post-large two that be the number of teeth different
Layer cone pulley, wherein the first sampling character wheel is identical with the second sampling gear structure；The big cone pulley of first sampling character wheel diameter, second take
The big cone pulley of sample gear diameter cone pulley small with signal input gear diameter engages；The first small cone pulley of sampling character wheel diameter with
Tooth engagement on the right side of lead-in wheel, the small cone pulley of the second sampling character wheel diameter are engaged with transition gear.
The frame lower right corner of the mechanical counter behind frame by being provided with signal output gear mounting platform, signal
Output gear is mounted on before signal output mounting platform.
The signal output is fixedly arranged on the gear with magnet steel storehouse, and magnet steel is provided with magnet steel in 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 also rotates a circle simultaneously.So metering be not affected it is more stable, also eliminate because the reason for manual operation leads
The problem of acquisition signal of cause is bad.It is set simultaneously there are two Hall sensor, magnet steel has to pass through two sensor master control borads
Just count, avoid magnet steel it is opposite with one of sensor when the counting error that is present with so that counting is more accurate.Material
Cost and artificial running cost are relatively low.And using the patterns of double sampling character wheels, even if a certain sampling character wheel breaks down, not shadow
The operation of another sampling character wheel is rung, greatly reduces the probability of occurrence count failure in use.
Description of the drawings
Fig. 1 is the positive structure diagram of the utility model；
Fig. 2 is the backsight structural representation of the utility model；
Fig. 3 is the structure diagram that Fig. 2 removes counter frame and master control borad；
Fig. 4 is the overlooking the structure diagram of Fig. 2；
Fig. 5 is the right side structural representation of Fig. 2；
Fig. 6 is the drive mechanism schematic diagram of lead-in wheel and each gear in the utility model；
Fig. 7 is the schematic view of the mounting position of signal output gear and master control borad in Fig. 1.
Specific embodiment
As shown in figs. 1 to 6, gas meter, flow meter metering signal separated time harvester samples gear including mechanical counter 1, first
2nd, the second sampling gear 3, transition gear 4, signal output gear 5 and master control borad 6.Mechanical counter 1 includes cuboid framework, frame
Trunnion axis is provided among frame structure, is altered on trunnion axis and is connected to eight character wheels, the first character wheel of right side is as lead-in wheel 11.Lead-in wheel
11 right side disks are uniformly arranged with teeth.The first sampling character wheel mounting groove 12 is provided with behind the frame of mechanical counter 1, first takes
Sample gear 2 is arranged in the first sampling character wheel mounting groove 12.The frame rear of mechanical counter 1 is provided with signal input gear group
7, input gear group 7 is with sampling character wheel meshed gears as signal input gear 71.Second sampling gear 3 is arranged on gas meter, flow meter
On housing, positioned at 71 bottom of signal input gear.It is tooth that signal input gear 71, first, which samples character wheel 2 and second and samples gear 3,
Different two layers pre-small post-large of the cone pulleys of number, wherein the first sampling character wheel 2 is identical with the second sampling 3 structure of gear.Second sampling
3 left side of gear is provided with transition gear 4.The big cone pulley of the big cone pulley of first sampling 2 diameter of character wheel, the second sampling 3 diameter of gear
The cone pulley small with 71 diameter of signal input gear engages.The small cone pulley of first sampling 2 diameter of character wheel and 11 right side of lead-in wheel
Tooth engagement, the small cone pulley of the second sampling 2 diameter of character wheel are engaged with transition gear 4.Frame is leaned in the frame lower right corner of mechanical counter 1
Signal output gear mounting platform 13 is provided with below, and signal output gear 5 is mounted on 13 front of signal output mounting platform.Letter
Number output gear 5 is engaged with transition gear 4.
As shown in fig. 7, being fixedly installed magnet steel storehouse on signal output gear 5, magnet steel 52 is provided in magnet steel storehouse.Magnet steel storehouse
Including installation cavity 511 and fixed block 512, installation cavity be section be imperfect annulus hollow columnar structures, cylindrical magnet steel 52
It is arranged in installation cavity.Fixed block 512 is arranged on the missing face of installation cavity, and the top of fixed block 512 is provided with protrusion, and utilization is convex
It rises and magnet steel 52 is fixed in installation cavity 511.
Master control borad 6 is fixed at 1 lower section of mechanical counter, on gas meter housing.Master control borad 6 carries for centre
The chip circuit plate of display screen.The top of master control borad 6 is parallel with 1 bottom surface of master control borad mechanical counter, the upper right corner of master control borad 6
The front of signal output gear 5 is arranged on, it is parallel with 5 end face of signal output gear.6 upper right corner of master control borad is provided with a pair of of Hall
Sensor 8, two Hall sensors are symmetrical with 5 central axes of signal output gear, each Hall sensor it is defeated away from signal
The distance for going out 5 central axes of gear is equal with distance of the magnet steel 52 away from 5 central axes of signal output gear so that output gear rotates through
Magnet steel 52 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 simultaneously drive first sampling character wheel and second sampling character wheel rotate, first sampling character wheel drive lead-in wheel,
Lead-in wheel rotates the mechanical count for completing gas meter, flow meter, completes machinery and wins the confidence.Second sampling character wheel drives transition gear to rotate, transition
Gear drives signal output gear to rotate, and while signal output gear rotates, magnet steel is done along signal output gear central axes to be revolved
Transhipment is dynamic, and by first Hall element and after passing through second Hall element in master control borad, main control chip counts magnet steel, and will
Variable is shown in the middle part of master control borad on display screen, is completed number and is won the confidence.
Claims (8)
1. gas meter, flow meter metering signal separated time harvester, including mechanical counter, the first sampling gear, the second sampling gear, mistake
Cross gear, signal output gear and master control borad；It is characterized in that：Right side is provided with lead-in wheel in the mechanical counter；Machine
First sampling gear, the first sampling word and the tooth engagement on the right side of lead-in wheel are set behind tool counter；The frame of mechanical counter
Rear is provided with the signal input gear of signal input gear group；Second sampling gear is located at signal input gear bottom, left side
It is provided with transition gear；First sampling character wheel, the second sampling gear are engaged with signal input gear；Second sampling character wheel and mistake
Gear engagement is crossed, signal output gear is engaged with transition gear；Master control borad is fixed at below mechanical counter, master control borad
Top is parallel with master control borad mechanical counter bottom surface, and the upper right corner of master control borad is arranged on the front of signal output gear, with letter
Number output gear end face is parallel；The master control borad upper right corner is provided with a pair of of Hall sensor, and Hall biography is corresponded on signal output gear
Sensor position is provided with magnet steel.
2. gas meter, flow meter metering signal separated time harvester as described in claim 1, it is characterised in that：On the right side of the lead-in wheel
Disk is uniformly arranged with teeth.
3. gas meter, flow meter metering signal separated time harvester as described in claim 1, it is characterised in that：The mechanical counter
Frame behind be provided with the first sampling character wheel mounting groove, the first sampling gear is arranged in the first sampling character wheel mounting groove.
4. gas meter, flow meter metering signal separated time harvester as described in claim 1, it is characterised in that：The signal input tooth
Wheel, the first sampling character wheel and the second sampling gear are different two layers pre-small post-large of the cone pulley of the number of teeth, wherein first samples character wheel
It is identical with the second sampling gear structure；The big cone pulley of the first big cone pulley of sampling character wheel diameter, the second sampling gear diameter with
The small cone pulley engagement of signal input gear diameter；The small cone pulley of first sampling character wheel diameter and the tooth engagement on the right side of lead-in wheel, the
The small cone pulley of two sampling character wheel diameters is engaged with transition gear.
5. gas meter, flow meter metering signal separated time harvester as described in claim 1, it is characterised in that：The mechanical counter
The frame lower right corner be mounted on signal output peace by being provided with signal output gear mounting platform, signal output gear behind frame
Before assembling platform.
6. gas meter, flow meter metering signal separated time harvester as described in claim 1, it is characterised in that：The signal output tooth
Magnet steel storehouse is fixedly installed on wheel, magnet steel is provided with magnet steel in 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. gas meter, flow meter metering signal separated time 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. gas meter, flow meter metering signal separated time 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 |
|---|---|---|---|
| CN201721493567.2U CN207439490U (en) | 2017-11-10 | 2017-11-10 | Gas meter, flow meter metering signal separated time harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721493567.2U CN207439490U (en) | 2017-11-10 | 2017-11-10 | Gas meter, flow meter metering signal separated time harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207439490U true CN207439490U (en) | 2018-06-01 |
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ID=62288646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721493567.2U Active CN207439490U (en) | 2017-11-10 | 2017-11-10 | Gas meter, flow meter metering signal separated time harvester |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727182A (en) * | 2017-11-10 | 2018-02-23 | 浙江威星智能仪表股份有限公司 | A kind of gas meter, flow meter metering signal separated time harvester |
| CN110726450A (en) * | 2018-07-17 | 2020-01-24 | 新智数字科技有限公司 | Counter for monitoring flow |
-
2017
- 2017-11-10 CN CN201721493567.2U patent/CN207439490U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727182A (en) * | 2017-11-10 | 2018-02-23 | 浙江威星智能仪表股份有限公司 | A kind of gas meter, flow meter metering signal separated time harvester |
| CN110726450A (en) * | 2018-07-17 | 2020-01-24 | 新智数字科技有限公司 | Counter for monitoring flow |
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