CN110608774A - Infrared photoelectric coding flowmeter - Google Patents
Infrared photoelectric coding flowmeter Download PDFInfo
- Publication number
- CN110608774A CN110608774A CN201910994799.3A CN201910994799A CN110608774A CN 110608774 A CN110608774 A CN 110608774A CN 201910994799 A CN201910994799 A CN 201910994799A CN 110608774 A CN110608774 A CN 110608774A
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- Prior art keywords
- infrared photoelectric
- block
- trapezoidal
- mounting plate
- flowmeter
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- 230000007246 mechanism Effects 0.000 claims description 9
- 239000004973 liquid crystal related substance Substances 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 2
- 230000005693 optoelectronics Effects 0.000 claims 2
- 238000004590 computer program Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 239000007788 liquid Substances 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/06—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects using rotating vanes with tangential admission
- G01F1/065—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects using rotating vanes with tangential admission with radiation as transfer means to the indicating device, e.g. light transmission
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention provides an infrared photoelectric coding flowmeter. An infrared photoelectric coded flow meter comprising: a housing; the mounting plate is fixedly mounted on the shell; an upper pod disposed within the housing; a lower pod disposed within the housing; a drive impeller disposed within the lower pod; the photoelectric coding disc is arranged on the driving impeller; the photoelectric reader is arranged on the photoelectric coding disc, and the cover plate is fixedly arranged on the mounting plate; a microcomputer system fixedly mounted on the cover plate. The infrared photoelectric coding flowmeter provided by the invention has the advantages of simple structure, low production cost, high metering efficiency and error curve controllable by a computer program.
Description
Technical Field
The invention relates to the technical field of flow metering equipment, in particular to an infrared photoelectric coding flowmeter.
Background
The infrared photoelectric coded flowmeter is a precision instrument manufactured according to the infrared photoelectric sensing principle and used for measuring the flow of liquid, gas and steam in a sealed pipeline.
However, the traditional liquid flow meter is generally divided into a pure mechanical structure, a pure electronic structure and a partial mechanical and partial electronic combined structure, because the calculator is complex in structure, the number of gears is large, the loss of mechanical running kinetic energy is large, and the metering error of a low region is large, because the mechanical part is completely immersed in water, the gear rotating at high speed is easy to break down and damage when meeting impurities in the water, the pure electronic structure type water meter is respectively provided with an electromagnetic coil type and an ultrasonic type, the production cost of the water meter is high, the flow rate is large, the water meter is not suitable for small-flow metering, the price is high, the large-scale popularization is not easy, the electromagnetic coil type is that flow data is obtained by generating induced electromotive force through the flow of water in an electromagnetic coil, and the conductivity; the ultrasonic electronic water meter converts the time difference generated by the change of the speed of the ultrasonic sound beam during downstream and upstream propagation in water into a flow signal, the water meter is easily influenced by sound wave interference, the water meter with the existing mechanical part electronic structure is generally of a turbine magnet sensing pulse type structure, the resolution ratio is low, only one pulse signal is generated in one week, the magnet is easy to adsorb iron in water to cause the reduction of the metering precision, and the pulse signal resolution ratio is low, so that the ultrasonic electronic water meter is not beneficial to efficient metering.
Therefore, it is necessary to provide an infrared photoelectric coded flow meter to solve the above technical problems.
Disclosure of Invention
The invention solves the technical problem of providing an infrared photoelectric coding flowmeter which has simple structure, low production cost and high metering efficiency and can control an error curve by a computer program.
In order to solve the above technical problem, the present invention provides an infrared photoelectric encoding flow meter, comprising: a housing; the mounting plate is fixedly mounted on the shell; an upper pod disposed within the housing; a lower pod disposed within the housing; a drive impeller disposed within the lower pod; the photoelectric coding disc is arranged on the driving impeller; the photoelectric reader is arranged above and below the photoelectric coding disc, and the cover plate is fixedly arranged on the mounting plate; the microcomputer system is fixedly arranged on the cover plate; and the segment code liquid crystal display is arranged on the microcomputer system.
Preferably, the housing is provided with a medium inlet and a medium outlet.
Compared with the related technology, the infrared photoelectric coding flowmeter provided by the invention has the following beneficial effects:
the invention provides an infrared photoelectric coding flowmeter, a mechanical mechanism and an electronic structure are respectively combined with the most advantageous parts, the metering precision of the infrared photoelectric coding flowmeter is controlled by a computer program to achieve the optimal operation curve, the infrared photoelectric coding flowmeter displays the water quantity through a segment liquid crystal display, the numerical value is easier to read than a mechanical pointer or a mechanical character code, 3-4 external ports of a water meter are designed to output data by using an external power supply, the energy consumption of the infrared photoelectric coding flowmeter is extremely low, the infrared photoelectric coding flowmeter can work for a long time by using a built-in battery, the mechanical part of the infrared photoelectric coding flowmeter is simple and has no redundant mechanical connection, the kinetic energy of water flow can be maximally applied, mechanical faults are not easy to occur, the service life of the mechanical operation part is extremely long, an infrared photoelectric coding flowmeter counter circuit is encapsulated by epoxy resin, the photoelectric coding disk is used for a rotary code disk which can maximally reduce the faults of the, the device comprises a collector, a display screen, a touch delay control display screen, a photoelectric reading head, an infrared photoelectric coded flowmeter, a computer program and a computer, wherein the collector adopts a reflection type or a correlation type AB phase, the photoelectric reading head can distinguish the flow direction of liquid, the touch delay control display screen is adopted to control the on-off time, the energy consumption is reduced to the maximum extent, the service life of a battery is prolonged, a rotating speed counting program is written once and cannot be modified, other control buttons are not arranged, the infrared photoelectric coded flowmeter is used as a metering tap water, the infrared photoelectric coded flowmeter is extremely simple and convenient to install and use and is not different from a common water meter, parts such as a meter shell, a flow guide cover and an impeller are made of different materials according to use scenes, upper thimbles and lower thimbles of the impeller are made of high-strength wear-resistant metal or mineral materials, an error curve can be controlled.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of an infrared photoelectric coded flow meter provided by the present invention;
FIG. 2 is a schematic cross-sectional view of the structure shown in FIG. 1;
FIG. 3 is an exploded view of an infrared photoelectric coded flow meter according to the present invention;
FIG. 4 is a schematic diagram of a second embodiment of an infrared photoelectric coded flow meter provided by the present invention;
fig. 5 is an enlarged schematic view of a portion a shown in fig. 4.
Reference numbers in the figures: 1. segment code LCD, 2, microcomputer system, 3, photoelectric reader, 4, photoelectric coding disc, 5, drive impeller, 6, upper dome, 7, lower dome, 8, shell, 9, cover plate, 10, mounting plate, 11, medium inlet, 12, medium outlet, 13, positioning groove, 14, first trapezoidal block, 15, cavity, 16, second trapezoidal block, 17, annular block, 18, spring, 19, clamping groove, 20, fixed block.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
First embodiment
Referring to fig. 1-3, in a first embodiment of the present invention, an infrared photoelectric encoding flowmeter includes: a housing 8; the mounting plate 10 is fixedly mounted on the shell 8; an upper air guide sleeve 6, wherein the upper air guide sleeve 6 is arranged in the shell 8; a lower pod 7, the lower pod 7 disposed within the housing 8; the upper air guide sleeve 6 and the lower air guide sleeve 7 are used for guiding media and fixing an impeller to drive the impeller 5, the drive impeller 5 is arranged in the lower air guide sleeve 7, and the drive impeller generates power by the flow of the media to enable the drive impeller 5 to rotate; the photoelectric coding disk 4 is arranged on the driving impeller 5, and the photoelectric coding disk 4 is used for generating photoelectric pulse signals; the photoelectric reader 3 is arranged on the photoelectric encoding disk 4, the photoelectric reader 3 is used for receiving coded disk rotating speed data, and the cover plate 9 is fixedly arranged on the mounting plate 10; the microcomputer system 2, the said microcomputer system 2 is fixedly mounted on said cover plate 9, the said microcomputer system 2 is used for processing the photoelectric signal, battery, circuit board; the segment code liquid crystal display 1 is arranged on the microcomputer system 2, and the segment code liquid crystal display 1 is arranged on the top to facilitate observation and measurement reading.
The shell 8 is provided with a medium inlet 11 and a medium outlet 12.
The working principle of the infrared photoelectric coding flowmeter provided by the invention is as follows:
liquid or gas enters from the medium inlet 11, the liquid or gas generates power in the flowing process, so that the impeller is driven to rotate 5, the photoelectric encoding disk 4 generates photoelectric pulse signals, the photoelectric reader 3 is used for receiving the photoelectric pulse signals generated by the photoelectric encoding disk 4, the photoelectric pulse signals are processed by the microcomputer system 2, and finally, numerical values are displayed on the segment code liquid crystal display 1.
Compared with the related technology, the infrared photoelectric coding flowmeter provided by the invention has the following beneficial effects:
the invention designs 3-4 external ports for external power supply and data output, which can be accessed by external equipment to implement remote meter reading, the infrared photoelectric coding flowmeter has extremely low energy consumption, can work for a long time by using a built-in battery, the mechanical part of the infrared photoelectric coding flowmeter is simple, has no redundant mechanical connection except for driving an impeller, can maximally apply the kinetic energy of liquid and gas, is not easy to have mechanical failure, the service life of the mechanical operation part is extremely long, and a counter circuit of the infrared photoelectric coding flowmeter is encapsulated by epoxy resin, the rotary code disk uses photoelectric code disk, more than 10-100 pulse signals are made in one circle, the collector uses reflection type or correlation type AB phase photoelectric reading head, the flow direction of medium can be distinguished, the touch time-delay control display screen is used to open time-delay, the energy consumption is reduced to the utmost extent, the service life of battery is prolonged, the rotating speed counting program is once burnt, it can not be modified, no other control button is set, the infrared photoelectric code flowmeter is used as running water, it is very simple and convenient to install and use, it has no difference from common water meter, the error curve can be controlled by computer program, it can completely solve the problem of large error when using small flow, because the mechanical structure has no two-stage transmission, the flow is larger than common pure mechanical flowmeter, the measuring range ratio is higher.
Second embodiment:
based on the infrared photoelectric coding flowmeter provided by the first embodiment of the application, the second embodiment of the application provides another infrared photoelectric coding flowmeter. The second embodiment is merely a preferred way of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
The second embodiment of the present invention will be further described with reference to the drawings and the following description.
Referring to fig. 4-5, the infrared photoelectric coded flow meter further includes four first trapezoidal blocks 14 and four slots 19 fixedly mounted on the cover plate 9, the four first trapezoidal blocks 14 are all fixedly mounted at the bottom of the cover plate 9, the four slots 19 are respectively disposed on the four first trapezoidal blocks 14, the mounting plate 10 is provided with four positioning mechanisms, each positioning mechanism includes a positioning slot 13 and a second trapezoidal block 16, the positioning slot 13 is disposed at the top of the mounting plate 10, the first trapezoidal block 14 is adapted to the corresponding positioning slot 13, the second trapezoidal block 16 is movably mounted in the corresponding slot 19, the positioning mechanism further includes a cavity 15 and a ring block 17, the cavity 15 is disposed on the mounting plate 10, and the second trapezoidal block 16 is slidably mounted in the corresponding cavity 15, one side of the second trapezoidal block 16 penetrates through the mounting plate 10 and extends into the corresponding clamping groove 19, the annular block 17 is fixedly sleeved on the corresponding second trapezoidal block 16, through holes are formed in the inner walls of the two sides of the cavity 5 and are communicated with the corresponding positioning grooves 13, the second trapezoidal block 16 is in sliding connection with the inner wall of the corresponding through hole, the positioning mechanism further comprises a spring 18 and a fixing block 20, the spring 18 is fixedly sleeved on the corresponding second trapezoidal block 16, one end of the spring 18 is fixedly connected with the corresponding annular block 17, the other end of the spring 18 is fixedly connected with the inner wall of the corresponding cavity 15, the fixing block 20 is fixedly mounted on the corresponding second trapezoidal block 16, a handle is arranged on the fixing block 20, a sealing ring is arranged in each positioning groove 13 and is matched with the corresponding first trapezoidal block 14, the top and the bottom of the annular block 17 are both provided with balls, and the balls are in rolling connection with the inner wall of the corresponding chamber 5.
Pulling the handle, the handle drives fixed block 20 and removes, fixed block 20 drives second trapezoidal piece 16 and removes, second trapezoidal piece 16 drives annular piece 17 and removes, make spring 18 compressed, move out from draw-in groove 19 until second trapezoidal piece 16, keep the present situation, upwards move apron 9 this moment, alright demolish from mounting panel 10 with messenger's apron 9, be convenient for maintain, when needing to install apron 9, align locating slot 13 to first trapezoidal piece 14, then press down first trapezoidal piece 14, first trapezoidal piece 14 will extrude second trapezoidal piece 16, when first trapezoidal piece 14 contacts with the bottom inner wall of locating slot 13, spring 18 is compressed this moment, when second trapezoidal piece 16 corresponds with draw-in groove 19, drive second trapezoidal piece 16 card into draw-in groove 19 under spring 18's elastic action, first trapezoidal piece 14 is fixed, apron 9 installation finishes, and saves time and labor.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. An infrared photoelectric coded flow meter, comprising:
a housing;
the mounting plate is fixedly mounted on the shell;
an upper pod disposed within the housing;
a lower pod disposed within the housing;
a drive impeller disposed within the lower pod;
the photoelectric coding disc is arranged on the driving impeller;
an optoelectronic reader disposed on the optoelectronic encoder disk,
the cover plate is fixedly arranged on the mounting plate;
the microcomputer system is fixedly arranged on the cover plate;
and the segment code liquid crystal display is arranged on the microcomputer system.
2. The infrared photoelectric coded flow meter of claim 1, wherein the housing is provided with a medium inlet and a medium outlet.
3. The infrared photoelectric coded flow meter according to claim 1, wherein four first trapezoidal blocks and four clamping grooves are fixedly mounted on the cover plate, the four first trapezoidal blocks are all fixedly mounted at the bottom of the cover plate, the four clamping grooves are respectively formed in the four first trapezoidal blocks, four positioning mechanisms are arranged on the mounting plate, each positioning mechanism comprises a positioning groove and a second trapezoidal block, the positioning groove is formed in the top of the mounting plate, the first trapezoidal blocks are matched with the corresponding positioning grooves, and the second trapezoidal blocks are movably mounted in the corresponding clamping grooves.
4. The infrared photoelectric coding flowmeter of claim 3, wherein the positioning mechanism further comprises a cavity and a ring block, the cavity is formed in the mounting plate, the second trapezoidal block is slidably mounted in the corresponding cavity, one side of the second trapezoidal block penetrates through the mounting plate and extends into the corresponding clamping groove, the ring block is fixedly sleeved on the corresponding second trapezoidal block, through holes are formed in inner walls of two sides of the cavity, the through holes are communicated with the corresponding positioning grooves, and the second trapezoidal block is slidably connected with inner walls of the corresponding through holes.
5. The infrared photoelectric coding flowmeter of claim 4, wherein the positioning mechanism further comprises a spring and a fixing block, the spring is fixedly sleeved on the corresponding second trapezoidal block, one end of the spring is fixedly connected with the corresponding annular block, the other end of the spring is fixedly connected with the inner wall of the corresponding chamber, and the fixing block is fixedly mounted on the corresponding second trapezoidal block.
6. The infrared photoelectric coded flow meter according to claim 5, wherein a handle is provided on the fixing block.
7. The infrared photoelectric coded flow meter according to claim 3, wherein a seal ring is arranged in the positioning groove, and the seal ring is adapted to the corresponding first trapezoidal block.
8. The infrared photoelectric coded flow meter according to claim 4, wherein the top and the bottom of the annular block are provided with balls, and the balls are in rolling connection with the inner wall of the corresponding chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910994799.3A CN110608774A (en) | 2019-10-18 | 2019-10-18 | Infrared photoelectric coding flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910994799.3A CN110608774A (en) | 2019-10-18 | 2019-10-18 | Infrared photoelectric coding flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110608774A true CN110608774A (en) | 2019-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910994799.3A Pending CN110608774A (en) | 2019-10-18 | 2019-10-18 | Infrared photoelectric coding flowmeter |
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| Country | Link |
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| CN (1) | CN110608774A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847962A (en) * | 2021-09-17 | 2021-12-28 | 小佩网络科技（上海）有限公司 | Intelligent monitoring system for aquarium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202119788U (en) * | 2011-06-22 | 2012-01-18 | 珠海市华尚光电科技有限公司 | Photoelectric encoder |
| CN204086297U (en) * | 2014-09-28 | 2015-01-07 | 滁州职业技术学院 | A kind of flow rate of liquid measuring tube |
| CN205333673U (en) * | 2015-12-30 | 2016-06-22 | 黄河水利职业技术学院 | Pipeline liquid velocity of flow measuring device |
| CN207791828U (en) * | 2018-01-24 | 2018-08-31 | 东莞市禾远实业有限公司 | A kind of shipping platform for laser lamp processing |
| CN212206208U (en) * | 2019-10-18 | 2020-12-22 | 尹永祥 | Infrared photoelectric coding flowmeter |
-
2019
- 2019-10-18 CN CN201910994799.3A patent/CN110608774A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202119788U (en) * | 2011-06-22 | 2012-01-18 | 珠海市华尚光电科技有限公司 | Photoelectric encoder |
| CN204086297U (en) * | 2014-09-28 | 2015-01-07 | 滁州职业技术学院 | A kind of flow rate of liquid measuring tube |
| CN205333673U (en) * | 2015-12-30 | 2016-06-22 | 黄河水利职业技术学院 | Pipeline liquid velocity of flow measuring device |
| CN207791828U (en) * | 2018-01-24 | 2018-08-31 | 东莞市禾远实业有限公司 | A kind of shipping platform for laser lamp processing |
| CN212206208U (en) * | 2019-10-18 | 2020-12-22 | 尹永祥 | Infrared photoelectric coding flowmeter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847962A (en) * | 2021-09-17 | 2021-12-28 | 小佩网络科技（上海）有限公司 | Intelligent monitoring system for aquarium |
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