CN109341737A - Intelligent metering instrument brush sample count structure - Google Patents
Intelligent metering instrument brush sample count structure Download PDFInfo
- Publication number
- CN109341737A CN109341737A CN201811392598.8A CN201811392598A CN109341737A CN 109341737 A CN109341737 A CN 109341737A CN 201811392598 A CN201811392598 A CN 201811392598A CN 109341737 A CN109341737 A CN 109341737A
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- output gear
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- 239000004033 plastic Substances 0.000 claims abstract description 31
- 229920003023 plastic Polymers 0.000 claims abstract description 31
- 239000004020 conductor Substances 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims description 64
- 229910052751 metal Inorganic materials 0.000 claims description 64
- 229910000831 Steel Inorganic materials 0.000 claims description 23
- 239000010959 steel Substances 0.000 claims description 23
- 230000007704 transition Effects 0.000 claims description 8
- 238000001746 injection moulding Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 230000005291 magnetic effect Effects 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000009532 heart rate measurement Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 206010033546 Pallor Diseases 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000005292 diamagnetic effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
-
- 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
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The present invention relates to measuring instrument counting technology fields, more particularly to a kind of intelligent metering instrument brush sample count structure, including counter and control panel, the counter includes counter frame and the character wheel group being set on counter frame and signal output gear, the control panel is equipped with main control unit, the signal output gear includes gear part and runner portion, the runner portion includes plastic wheel and conductive casters, abutting in the runner portion has metallic conductor, and the metallic conductor is electrically connected by conducting wire with the main control unit on control panel.This programme has count results not by external interference, counts accurate technological merit.
Description
Technical field
The present invention relates to measuring instrument counting technology field more particularly to a kind of intelligent metering instrument brush sample count knots
Structure.
Background technique
In measuring instrument field, it is the significant process for obtaining continuous data that sampling, which counts,.In recent years, with Intelligent Instrument table row
Industry technology it is quick rapidly, be also rapidly developed in terms of the safety of measuring instrument continuous data, accuracy, in existing product
The mode of step-by-step counting is mostly used to carry out acquisition counting to continuous data, existing pulse measurement mode mainly has tongue tube magnetic control
Metering method, Hall magnetic control metering method, light sample metering method.There are dry springs for current existing tongue tube magnetic control metering method
The features such as tube sensor high temperature resistance is poor, easy to damage, in process of production can only be using human weld, higher cost, simultaneously
Magnetic disturbance problem not can avoid.Hall sensor uses magnetic control metering method, the problem with diamagnetic interference performance difference；Light light takes
Sample metering method there are the distance between photoelectric sensor and reflecting surface require it is very high, batch production due to each component assembly miss
Difference is larger, and the distance between photoelectric sensor and reflecting surface are unstable, be easy to cause the problem of signal acquisition exception.
For the application disadvantage that existing pulse sampling counts at present, existing step-by-step counting mode, which exists, further to be changed
Into with room for promotion.
Summary of the invention
It is an object of the invention to solve the disadvantage that the above-mentioned prior art to a certain extent, a kind of intelligent metering instrument is proposed
Brush sample count structure has count results not by external interference, counts accurate technological merit.
The present invention program proposes a kind of intelligent metering instrument brush sample count structure, including counter and control panel, institute
Stating counter includes that counter frame and the character wheel group being set on counter frame and signal output gear, the control panel are equipped with
Main control unit, the signal output gear include gear part and runner portion, and the runner portion includes plastic wheel and conductive casters, described
Abutting in runner portion has metallic conductor, and the metallic conductor is electrically connected by conducting wire with the main control unit on control panel.
Further embodiment, the metallic conductor include metal spring, and described metal spring one end is equipped with metal ball, described
Metal ball is abutted with runner portion, and the metal spring other end is electrically connected by conducting wire with main control unit.
Further embodiment is extended with mounting platform on the counter frame, and the mounting platform is equipped with bracket, described
Signal output gear is set on counter frame by bracket, and the bracket includes via portion, and metal screw, which sequentially passes through, to be located at
It is low with metal spring one end after conductor terminal and via portion on conducting wire to connect.
Further embodiment, the metal ball is steel ball, and when work, the metal spring is in compressive state, and has effect
Power acts on steel ball, so that steel ball offsets with runner portion.
Further embodiment, the metallic conductor include the metal clips connecting with conducting wire, the metal clips and conducting wire
Pass through riveting terminal riveting.
Further embodiment is extended with mounting platform on the counter frame, and the signal output gear is set to installation
On platform, " Z " font limiting slot is formed on the mounting platform, the metal clips is limited in " Z " font limiting slot.
Further embodiment, the metal clips be stainless steel substrates, the metal clips with a thickness of 0.03~0.1mm.
Further embodiment, the conductive casters are cylindrical, and the plastic wheel is in semicolumn tubbiness, the plastic wheel envelope
In conductive wheel outer surface, the conduction wheel side and plastics wheel side transition position are formed with offset step.
Further embodiment, the conductive casters and plastic wheel integrated injection molding form one.
Further embodiment is additionally provided with signal input gear on the counter, and the character wheel group includes lead-in wheel, described
Signal input gear is engaged with lead-in wheel, and the lead-in wheel is engaged with gear part；Or signal input is additionally provided on the counter
Gear, the character wheel group include lead-in wheel, and the signal input gear is coaxially connected, signal output gear with signal output gear
Wheel is engaged with lead-in wheel, and signal input gear drives lead-in wheel and signal output gear to rotate simultaneously；Or the signal inputs tooth
Wheel is engaged with lead-in wheel, and the signal input gear drives the rotation of signal output gear, and signal output gear drives lead-in rotation
It is dynamic.
After adopting the above technical scheme, the present invention has the advantage that
1, intelligent metering instrument brush sample count structure, including counter and control panel, the counter include counter frame
And it is set to character wheel group and signal output gear on counter frame, the control panel is equipped with main control unit, and the signal is defeated
Gear includes gear part and runner portion out, and the runner portion includes plastic wheel and conductive casters, and abutting in the runner portion has metal
Conductor, the metallic conductor are electrically connected by conducting wire with the main control unit on control panel.Signal output gear is first inside base table
Part and signal input gear are rotated by, conductive when metallic conductor and conductive casters part contact, and are contacted with plastic wheel part
When power off, a counting pulse is generated when output gear rotates 360 degree, arteries and veins can be realized in the control unit for being transferred to control panel
Punching counts, and then knows metric results, gas consumption, water consumption etc..The design of this programme structure, can more accurately be adopted
Sample, and the problems such as unglazed interference, magnetic disturbance.With by the interference of outer signals, not measuring accurate technological merit while having
Structural member is few, technological merit easy to assembly.If desired measuring accuracy is further promoted, can be designed to that signal output gear rotates
2,3 or more multiple-pulse are generated at dynamic 360 degree, it is only necessary to respectively that conductive casters and plastic gear are 90 degree every, 60 degree of mistake
It crosses edge and makes an offset step structure.
2, the metallic conductor includes metal spring, described metal spring one end be equipped with metal ball, the metal ball with turn
Wheel portion abuts, and the metal spring other end is electrically connected by conducting wire with main control unit.Installation is extended on the counter frame
Platform, the mounting platform are equipped with bracket, and the signal output gear is set on counter frame by bracket, the bracket
Including via portion, metal screw sequentially passes through low with metal spring one end after conductor terminal and via portion on conducting wire connect.
Via portion and output gear have a certain distance, and via portion should guarantee steel ball energy and signal at a distance from signal output gear
The runner portion of output gear comes into full contact with, and guarantees its suitable frictional force again.If cannot contact, signal transmission meeting middle section,
If frictional force is excessive, the rotation of signal output gear can have some setbacks.The distance between they are set as 0.3mm by the present invention.Steel ball, gold
Category spring, conductive casters are all made of stainless steel 304 material, corrosion-resistant.And conductive casters, ball surfaces are smooth, in conductive casters and steel ball
It relatively rotates, the frictional force of generation will be small, and output gear is facilitated to run well.
3, conductive casters and plastic wheel are integral by injection molding, and integrated through injection molding can guarantee the assembly building of conducting ring and plastic gear
Gap, final output gear are fixed rear blanching with locking cap and are connect, and guarantee that output gear will not fall off.
4, another preferred embodiment of the present invention is in such a way that metal clips and output gear offset conduction.Advantage is structure
Part is few, easy to assembly.
5, the conductive casters are cylindrical, and the plastic wheel is in semicolumn tubbiness, and the plastic wheel envelope is in outside conductive casters
Surface, the conduction wheel side and plastics wheel side transition position are formed with offset step.Conductive casters and the every 180 degree of plastic gear
Transition edges are made into offset step, the signal for preventing steel ball or metal clips from issuing in this Transition edges can postpone or because
The reason of to cooperate, causes steel ball or metal clips Caton.Allow steel ball or metal clips by this break difference structure when
Time moment falls, and acquisition signal is clearly demarcated, and metering signal is more accurate.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings:
Fig. 1 is counter portion structural schematic diagram of the present invention；
Fig. 2 is signal output gear partial structure diagram of the present invention；
Fig. 3 is one partial structural diagram of the specific embodiment of the invention；
Fig. 4 is two partial structural diagram of the specific embodiment of the invention；
Fig. 5 is two metal clips structural schematic diagram of the specific embodiment of the invention；
Fig. 6 is three signal input gear of the specific embodiment of the invention and signal output gear partial structure diagram；
Fig. 7 is three counter structure schematic diagram of the specific embodiment of the invention；
Fig. 8 is specific embodiment of the invention four-counter structural schematic diagram.
Specific embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
In addition to above preferred embodiment, there are other embodiments of the invention, and those skilled in the art can be according to this
Invention makes various changes and modifications, and as long as it does not depart from the spirit of the invention, should belong to appended claims of the present invention and determines
The range of justice.
The present invention program proposes that a kind of intelligent metering instrument brush sample count structure, intelligent metering instrument can be water
Table, gas meter, flow meter, heat energy meter and ammeter, gas meter, flow meter can may be that (such as ultrasonoscope scale, hot type measure electronic watch for film table
Table), certain measuring instrument can may be domestic gas meter for industrial flow meter.
The present embodiment measuring instrument is described in detail by taking Domestic electronic type gas meter, flow meter as an example.
As shown in Figures 1 and 2, the present invention program proposes a kind of intelligent metering instrument brush sample count structure, the structure
It can be applied to the measuring instruments such as gas meter, flow meter, water meter, calorimeter, which includes counter 1 and control panel 2, the counting
Device 1 includes counter frame 11 and the character wheel group 12 and signal output gear 13 that are set on counter frame 11, on the control panel 2
Equipped with main control unit 20, the signal output gear 13 includes gear part 131 and runner portion, and the runner portion includes plastic wheel
1321 and conductive casters 1322, abutting in the runner portion has metallic conductor, and the metallic conductor passes through on conducting wire 21 and control panel 2
Main control unit 20 be electrically connected.Signal output gear 13 is rotated by base table internal element and signal input gear 14,
It is conductive when metallic conductor and 1322 part of conductive casters contact, power-off when being contacted with 1321 part of plastic wheel, when output gear rotates
A counting pulse is generated at 360 degree, step-by-step counting can be realized in the control unit 20 for being transferred to control panel 2, and then knows meter
Measure result gas consumption, water consumption etc..Specifically as shown in Fig. 2, the conductive casters 1322 are cylindrical, the plastic wheel 1321 is in
Semicolumn tubbiness, certain plastic wheel 1321 or other insulator wheels, 1321 envelope of plastic wheel is in conductive casters 1322
Outer surface namely it is wrapped in 1322 outer surface of conductive casters outside, 1322 side of conductive casters is formed with 1321 side transition position of plastic wheel
There is offset step 1323.It is clearly demarcated that signal may be implemented in offset step 1323.The conductive casters 1322 are infused with 1321 one of plastic wheel
Moulding is integral.It contacts electrically conductive signal using the conductive casters 1322 of metallic conductor and signal output gear to connect, with plastic wheel
1321 or other insulators contact open circuit mode, realize the pulse measurement of electric signal, can more accurately sample, and unglazed
The problems such as interference, magnetic disturbance.This programme has not by the interference of outer signals, and metering is accurate, while having that structural member is few, assembling
Convenient technological merit.
Specific embodiment one:
In conjunction with shown in Fig. 2~Fig. 4, in the present embodiment, the metallic conductor includes metal spring 22, described 22 one end of metal spring
Equipped with metal ball 23, the metal ball 23 is abutted with runner portion, and 22 other end of metal spring passes through conducting wire 21 and master control list
Member electrical connection.Signal input gear 14 is additionally provided on the counter 1, the character wheel group 12 includes lead-in wheel 121, the signal
Input gear 14 is engaged with lead-in wheel 121, and signal input gear 14 can be a gear, or two layers of cone pulley, it is described
Lead-in wheel 121 is engaged with the gear part 1321 of signal output gear 13.Signal input gear 14 drives lead-in wheel 121 to rotate, first
Character wheel 121 drives signal output gear 14 to rotate again, and signal input gear 14 and signal output gear 13 be not coaxial androgynous at this time,
Namely signal input gear 14 cannot directly drive the rotation of signal output gear 13.It is flat that installation is extended on the counter frame 11
Platform 15, the mounting platform 15 are equipped with bracket 151, and the signal output gear 13 is set to counter frame by bracket 151
On 11, the bracket 151 includes via portion 1511, metal screw 24 sequentially pass through conductor terminal 211 on conducting wire 21 and
It is low with 22 one end of metal spring after via portion 1511 to connect.The metal ball 23 is steel ball.When work, the metal spring 25 is in pressure
Contracting state, and there is active force to act on steel ball, so that steel ball offsets with runner portion.It can guarantee that steel ball is filled with runner portion in this way
Tap touching.When assembly, steel ball is packed into from 1511 right side hole location of steel ball fixed column namely via portion, is reloaded into metal spring
25, hex nut 26 is then put on again, the connecting terminal 211 at 21 end of conducting wire is inserted in metal screw 24, finally by hexagonal spiral shell
Mother 26 fixes metal screw 24.Metal screw 24 withstands the sheet metal 25 of 25 tail portion of metal spring, and metal spring 25 compresses
Steel ball is withstood, steel ball is contacted with the runner portion of signal output gear 13.Runner portion is arranged in gear part, top locking cap
1324 is fixed.In gear rotation process when two steel balls simultaneously contacted with conductive casters 1322 when, line conduction, conducting wire 21 and control
Main control unit 20 on plate 2 forms a closure electrical circuit, and main control unit 20 obtains a voltage signal at this time.When gear rotates
When to certain position, a steel ball is contacted with conductive casters 1322 at this time, and when another steel ball and plastic wheel 1321 contact, route is disconnected
It opens, the main control unit 20 on control panel 2 obtains another voltage signal again at this time.Main control unit 20 is by distinguishing different voltages
Signal with function of measuring.
Specific embodiment two:
It is specific as shown in Figures 5 and 6, the present embodiment and specific embodiment one the difference is that: the metallic conductor includes
The metal clips 31 connecting with conducting wire 21, the metal clips 31 are riveted with conducting wire 21 by riveting terminal 32.The counter
Mounting platform 15 is extended on frame 11, the signal output gear 13 is set on mounting platform 15, on the mounting platform 15
It is formed with " Z " font limiting slot 152, the metal clips 31 is limited in " Z " font limiting slot 152.The metal clips 31
For stainless steel substrates, the metal clips 31 with a thickness of 0.03~0.1mm.The elastic force and rigidity of this thickness are just being suitble to this structure.
There are two metal clips 31, one of them makes contact to on-state with conductive casters 1322 always, another metal clips 31 exists
Contacted when in runner portion rotation process with conductive casters 1322, when and contacted with plastic wheel 1321, contacted when with conductive casters 1322
When, main control unit 20 obtains a signal at this time, and when contacting with plastic wheel 1321, main control unit 2 obtains other one again at this time
A signal, by judging that the different of signal realize metering.
Specific embodiment three:
As shown in Figures 7 and 8, the present embodiment and above-described embodiment the difference is that: the signal input gear 14 with it is first
Character wheel 121 engages, and the signal input gear 14 drives signal output gear 13 to rotate, and signal output gear 13 drives signal defeated
Enter the rotation of gear 14, signal input gear 14 drives lead-in wheel to rotate again.
Specific embodiment four:
The present embodiment and above-described embodiment the difference is that, be additionally provided with signal input gear 14 on the counter frame 11,
The character wheel group 12 includes lead-in wheel 121, the signal input gear 14 and signal output gear 13 be it is coaxially connected, signal is defeated
Gear 13 is engaged with lead-in wheel 121 out, and signal input gear 14 drives lead-in wheel 121 and signal output gear 13 to rotate simultaneously.
Certainly be easy to understand in order to realize the transmission and space utilization of character wheel, lead-in wheel 121 and signal output gear 13
Between be also provided with transition gear, transition gear can be for one or multiple.
In addition to above preferred embodiment, there are other embodiments of the invention, and those skilled in the art can be according to this
Invention makes various changes and modifications, and as long as it does not depart from the spirit of the invention, should belong to appended claims of the present invention and determines
The range of justice.
Claims (10)
1. intelligent metering instrument brush sample count structure, including counter and control panel, the counter include counter frame
And it is set to character wheel group and signal output gear on counter frame, the control panel is equipped with main control unit, it is characterised in that:
The signal output gear includes gear part and runner portion, and the runner portion includes plastic wheel and conductive casters, in the runner portion
Abutting has metallic conductor, and the metallic conductor is electrically connected by conducting wire with the main control unit on control panel.
2. intelligent metering instrument brush sample count structure according to claim 1, which is characterized in that the metallic conductor
Including metal spring, described metal spring one end is equipped with metal ball, and the metal ball is abutted with runner portion, and the metal spring is another
One end is electrically connected by conducting wire with main control unit.
3. intelligent metering instrument brush sample count structure according to claim 2, which is characterized in that the counter frame
On be extended with mounting platform, the mounting platform is equipped with bracket, and the signal output gear is set to counter by bracket
On frame, the bracket includes via portion, metal screw sequentially pass through after conductor terminal and via portion on conducting wire with metal
Spring one end is low to be connect.
4. intelligent metering instrument brush sample count structure according to claim 3, which is characterized in that the metal ball is
Steel ball, when work, the metal spring is in compressive state, and has active force to act on steel ball, so that steel ball and runner portion phase
It supports.
5. intelligent metering instrument brush sample count structure according to claim 1, which is characterized in that the metallic conductor
Including the metal clips connecting with conducting wire, the metal clips and conducting wire pass through riveting terminal riveting.
6. intelligent metering instrument brush sample count structure according to claim 5, which is characterized in that the counter frame
On be extended with mounting platform, the signal output gear is set on mounting platform, is formed with " Z " font in the installation sample platform
Limiting slot, the metal clips are limited in " Z " font limiting slot.
7. intelligent metering instrument brush sample count structure according to claim 6, which is characterized in that the metal clips
For stainless steel substrates, the metal clips with a thickness of 0.03~0.1mm.
8. intelligent metering instrument brush sample count structure described in any one according to claim 1~6, which is characterized in that
The conductive casters are cylindrical, and the plastic wheel is in semicolumn tubbiness, and the plastic wheel envelope is described to lead in conductive wheel outer surface
Electric wheel side and plastics wheel side transition position are formed with offset step.
9. intelligent metering instrument brush sample count structure according to claim 8, which is characterized in that the conductive casters with
Plastic wheel integrated injection molding forms one.
10. intelligent metering instrument brush sample count structure described in any one according to claim 1~6, which is characterized in that
Signal input gear is additionally provided on the counter, the character wheel group includes lead-in wheel, the signal input gear and lead-in wheel
Engagement, the lead-in wheel are engaged with gear part；Or signal input gear is additionally provided on the counter, the character wheel group includes head
Character wheel, the signal input gear and signal output gear be it is coaxially connected, signal output gear is engaged with lead-in wheel, and signal is defeated
Enter gear while lead-in wheel and signal output gear being driven to rotate；Signal input gear, the word are additionally provided on the counter
Wheel group includes lead-in wheel, and the signal input gear is engaged with lead-in wheel, and the signal input gear drives signal output gear
Rotation, signal output gear drive the rotation of lead-in wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811392598.8A CN109341737B (en) | 2018-11-21 | 2018-11-21 | Brush sampling counting structure of intelligent metering instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811392598.8A CN109341737B (en) | 2018-11-21 | 2018-11-21 | Brush sampling counting structure of intelligent metering instrument |
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| Publication Number | Publication Date |
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| CN109341737A true CN109341737A (en) | 2019-02-15 |
| CN109341737B CN109341737B (en) | 2024-04-12 |
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| CN201811392598.8A Active CN109341737B (en) | 2018-11-21 | 2018-11-21 | Brush sampling counting structure of intelligent metering instrument |
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| CN205002804U (en) * | 2015-08-19 | 2016-01-27 | 天津鸥翼科技发展有限公司 | Intelligent gas meter |
| CN205426267U (en) * | 2016-03-22 | 2016-08-03 | 成都千嘉科技有限公司 | Measurement meter reading structure and reading device based on inductance |
| CN107421597A (en) * | 2017-06-28 | 2017-12-01 | 金卡智能集团股份有限公司 | A kind of metering device accounting device mounting assembly and gas meter, flow meter |
| CN207180797U (en) * | 2017-08-29 | 2018-04-03 | 杭州先锋电子技术股份有限公司 | Flowmeter high-resolution based on conductive plastic potentiometer counts conversion equipment |
| CN207351505U (en) * | 2017-10-16 | 2018-05-11 | 金卡智能集团股份有限公司 | A kind of intelligent gas meter samples counting structure |
| CN207408460U (en) * | 2017-11-01 | 2018-05-25 | 嘉兴市星皓仪表有限公司 | A kind of mechanical Electric energy meter counter |
| CN207540608U (en) * | 2017-11-10 | 2018-06-26 | 浙江威星智能仪表股份有限公司 | Gas meter, flow meter metering signal harvester |
| CN207779486U (en) * | 2018-01-23 | 2018-08-28 | 金卡智能集团股份有限公司 | Intelligent metering instrument samples number system and gas meter, flow meter |
| CN108180958A (en) * | 2018-03-01 | 2018-06-19 | 北京优耐燃气仪表有限公司 | A kind of gas meter counting mechanism and gas meter, flow meter |
| CN108709598A (en) * | 2018-08-13 | 2018-10-26 | 金卡智能集团股份有限公司 | A kind of intelligent metering instrument sampling counting component of accurate metering |
| CN209131694U (en) * | 2018-11-21 | 2019-07-19 | 金卡智能集团股份有限公司 | Intelligent metering instrument brush sample count structure |
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