CN209447216U - Infrared electro direct-reading counting device - Google Patents
Infrared electro direct-reading counting device Download PDFInfo
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- CN209447216U CN209447216U CN201920004278.4U CN201920004278U CN209447216U CN 209447216 U CN209447216 U CN 209447216U CN 201920004278 U CN201920004278 U CN 201920004278U CN 209447216 U CN209447216 U CN 209447216U
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- light
- module
- character wheel
- reading
- sampling
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Abstract
The utility model discloses a kind of infrared electro direct-reading counting devices, including main circuit board, character wheel, photoelectricity sampling component, power supply unit, the light tank of circular arc is provided on the wheel disc of character wheel, photoelectricity sampling component reads the photo-electronic directly reading coding of character wheel by light tank, wherein, main circuit board includes single-chip microcontroller, sampling module, memory module, comparison module, and single-chip microcontroller is electrically connected with power supply unit, sampling module, memory module, comparison module, photoelectricity sampling component.Corresponding numerical value is encoded by photo-electronic directly reading of the sampling module timing to photoelectricity sampling component to be acquired, and it accumulates and is stored in memory module, it carries out meter reading operation and transfers previous historical data out of memory module when the collected numerical value of sampling module occurs abnormal, according to the average rule of historical data, it finally according to the historical data of accumulation, obtains and reads wrong word bit, and numerical value when wrong word bit adopts last time reading will be read, improve measurement error, it is ensured that the accuracy of readings.
Description
Technical field
The utility model relates to field of instrumentation technology more particularly to a kind of infrared electro direct-reading for gas meter, flow meter to count dress
It sets.
Background technique
Along with the rapid development of measuring technique, information technology, wireless kilowatt meter reading-out system popularity in instrument industry.
It disposes convenient feature, provides a great convenience to meter reading personnel with low-power consumption, low cost.
Currently, the counter applied in wireless kilowatt meter reading-out system generallys use step-by-step counting and photo-electronic directly reading counts.Along with
The accumulation of time, electronic product can all have certain aging, and the counter after there is aging partially will appear readings inaccuracy
Phenomenon, and as the time is longer, there are errors in the numerical value that both counters are read also will be bigger, leads to reading essence
Spend the problem of difference.
Utility model content
The purpose of the utility model is to provide a kind of infrared electro direct-reading counting devices, old to solve to occur in the prior art
Counter portion after change will appear the technical issues of phenomenon of readings inaccuracy.
To achieve the above object, the technical solution of the utility model is:
A kind of infrared electro direct-reading counting device of the utility model, the character wheel being arranged side by side including main circuit board, array,
Photoelectricity sampling component, power supply unit, the light tank of circular arc is provided on the wheel disc of the character wheel, and the photoelectricity sampling component passes through
Light tank come read character wheel photo-electronic directly reading coding, wherein the main circuit board include single-chip microcontroller, sampling module, memory module,
Comparison module, the single-chip microcontroller are electrically connected with said supply unit, sampling module, memory module, comparison module, photoelectricity sampling component
It connects；
The sampling module encodes corresponding numerical value letter for the read photo-electronic directly reading of timing acquiring photoelectricity sampling component
Breath；
The memory module is used to store the numerical value and its accumulated value of sampling module institute timing acquiring；
The comparison module be used for by the sampling module collect numerical information and the timing acquiring numerical value and its
Accumulated value is compared.
Further improvement lies in that the photoelectricity sampling component include be set to the character wheel two sides optical transmission circuit piece and
Optical receiving circuit piece, the optical transmission circuit piece and optical receiving circuit piece installation with the main circuit board on；The light emitting electricity
Road piece is arranged in the side close to character wheel there are five the light-emitting tube for being arc-shaped distribution and equidistant interval setting, and the light connects
Receive circuit wafer close to character wheel side setting there are five with the one-to-one light receiving tube of the light-emitting tube；
Each light-emitting tube and light receiving tube are electrically connected in an interleaved manner in character wheel described in two adjacent groups, said supply unit
It connect with light-emitting tube described in array and light receiving tube, and successively powers respectively respectively.
Further improvement lies in that every group or partial of each pair of light in the optical transmission circuit piece, optical receiving circuit piece is sent out
Penetrating pipe, light receiving tube, in a manner of direct-connected or staggeredly mode is electrically connected, and respectively by the metal-oxide-semiconductor of P-channel type and the power supply singly
Member electrical connection, the pole G of each metal-oxide-semiconductor is electrically connected with the signal output pin of the single-chip microcontroller, the pole D of the metal-oxide-semiconductor and
Light-emitting tube, light receiving tube electrical connection, the pole S of the MOS pipe are electrically connected with said supply unit, and the single-chip microcontroller is controlled respectively
The metal-oxide-semiconductor is made by said supply unit and every group in the optical transmission circuit piece, optical receiving circuit piece or partial each pair of
Light-emitting tube, light receiving tube conducting.
Further improvement lies in that the main circuit board further includes alarm module, the alarm module is used in the photoelectricity
Sampling component continuous several times send warning message when reading wrong.
Due to using above technical scheme, make it have following beneficial effect is the utility model:
1, the main circuit board in the utility model is by the timing of setting sampling module to the photo-electronic directly reading of photoelectricity sampling component
It encodes corresponding numerical value to be acquired, and accumulates and be stored in memory module, carry out meter reading operation, the collected numerical value of sampling module
When occurring abnormal, previous historical data is transferred out of memory module, according to the average rule of historical data, finally according to accumulation
Historical data, numerical value when obtaining and read wrong word bit, and will read single reading before wrong word bit adopts improves meter
Measure error, it is ensured that the accuracy of readings reduces external influence.
2, optimization gear is in phenomenon not in place of having good luck, unstable phenomenon when avoiding readings, it is ensured that character wheel reading
Without blurred transition, it is clear to separate.
3, alarm module is set, error message can be sent in time to behaviour when photoelectricity sampling component continuous several times read wrong
Make personnel.
4, memory module is set, and enabling it, people retains newest meter reading data during power down, prevents unpredictable electrostatic
Infection or other reasons lead to device reset.
Detailed description of the invention
Fig. 1 is the functional block diagram of the utility model infrared electro direct-reading counting device；
Fig. 2 is the structural schematic diagram of character wheel in the utility model；
Fig. 3 is the structural schematic diagram of main circuit board in the utility model；
Fig. 4 is the structural schematic diagram of 2#PCB plate light emission circuit wafer in an embodiment；
Fig. 5 is the schematic diagram of 2#PCB plate light emission circuit wafer；
Fig. 6 is the structural schematic diagram of 1#PCB plate light emission circuit wafer in another embodiment；
Fig. 7 is the schematic diagram of 1#PCB plate light emission circuit wafer；
Fig. 8 is the schematic diagram that each metal-oxide-semiconductor is connect with power supply unit；
The schematic diagram that Fig. 9 is each optical transmission circuit piece, optical receiving circuit piece is connect with power supply unit；
In figure, 1- main circuit board, 11- single-chip microcontroller, 12- sampling module, 13- memory module, 14- comparison module, 2- photoelectricity
Sampling component, 3- character wheel, 31- light tank, D1~D5- photoemission cell.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in figs. 1-9, the utility model provides a kind of infrared electro direct-reading counting device, including main circuit board 1,
Photoelectricity sampling component 2, array character wheel 3 arranged side by side, power supply unit are provided with the light transmission of circular arc on the wheel disc of the character wheel 3
Slot 31, the photoelectricity sampling component 2 read the photo-electronic directly reading coding of character wheel by light tank 31, wherein the main circuit board 1
Including single-chip microcontroller 11, sampling module 12, memory module 13, comparison module 14, the single-chip microcontroller 11 and said supply unit, sampling
Module 12, memory module 13, comparison module 14, photoelectricity sampling component 2 are electrically connected；The sampling module is used for timing acquiring light
The electric read photo-electronic directly reading of sampling component encodes corresponding numerical information；The memory module is determined for storing sampling module
When the numerical value and its accumulated value that acquire；The comparison module is used to the sampling module collecting numerical information and the timing
The numerical value and its accumulated value of acquisition are compared.
As a preferred embodiment of the utility model, the photoelectricity sampling component includes being set to the character wheel two sides
Optical transmission circuit piece and optical receiving circuit piece, the optical transmission circuit piece and the installation of optical receiving circuit piece and the main circuit board
On；As shown in figure 3, the optical transmission circuit piece close to the setting of the side of character wheel there are five be arc-shaped distribution and it is equidistant between
Every light-emitting tube D1~D5 of setting, the optical receiving circuit piece close to the setting of the side of character wheel there are five with the light emitting
Manage one-to-one light receiving tube；Each light-emitting tube and light receiving tube are electrically connected in an interleaved manner in character wheel described in two adjacent groups
It connects, said supply unit is connect with light-emitting tube described in array and light receiving tube respectively, and is successively powered respectively.By by every group
The each light-emitting tube and light receiving tube of character wheel two sides are electrically connected in an interleaved manner, and are supplied by the way of successively powering
Electricity is led when can effectively avoid because being located at the light-emitting tube and light receiving tube while powered operation of same serial number pair on same pcb board
The phenomenon that light for causing pcb board back side light emission pipe to issue is received by the light receiving tube at the back side through pcb board, is made error in reading,
Further improve the reading stability of infrared electro direct-reading counting device.
Further improvement lies in that every group or partial of each pair of light in the optical transmission circuit piece, optical receiving circuit piece is sent out
Penetrating pipe, light receiving tube, in a manner of direct-connected or staggeredly mode is electrically connected, and respectively by the metal-oxide-semiconductor of P-channel type and the power supply singly
Member electrical connection, the pole G of each metal-oxide-semiconductor is electrically connected with the signal output pin of the single-chip microcontroller, the pole D of the metal-oxide-semiconductor and
Light-emitting tube, light receiving tube electrical connection, the pole S of the MOS pipe are electrically connected with said supply unit, and the single-chip microcontroller is controlled respectively
The metal-oxide-semiconductor is made by said supply unit and every group in the optical transmission circuit piece, optical receiving circuit piece or partial each pair of
Light-emitting tube, light receiving tube conducting.
As a preferred embodiment of the utility model, the main circuit board further includes alarm module, the alarm module
For sending warning message when the photoelectricity sampling component continuous several times read wrong.
It should be appreciated that the regular job habit and Figure of description of the noun of locality is binding operation person and user and set
Vertical, their appearance should not influence the protection scope of the utility model.
Combine figure embodiment that the utility model is described in detail above, those skilled in the art can root
Many variations example is made to the utility model according to above description.Thus, certain details in embodiment should not constitute practical to this
Novel restriction, the utility model will be using the ranges that the appended claims define as the protection scope of the utility model.
Claims (4)
1. a kind of infrared electro direct-reading counting device, including main circuit board, array character wheel arranged side by side, photoelectricity sampling component,
Power supply unit, the light tank of circular arc is provided on the wheel disc of the character wheel, and the photoelectricity sampling component is read by light tank
The photo-electronic directly reading of character wheel encodes, which is characterized in that
The main circuit board includes single-chip microcontroller, sampling module, memory module, comparison module, and the single-chip microcontroller and the power supply are single
Member, sampling module, memory module, comparison module, the electrical connection of photoelectricity sampling component；
The sampling module encodes corresponding numerical information for the read photo-electronic directly reading of timing acquiring photoelectricity sampling component；
The memory module is used to store the numerical value and its accumulated value of sampling module institute timing acquiring；
The comparison module is used to collect the sampling module numerical value and its accumulation of numerical information and the timing acquiring
Value is compared.
2. infrared electro direct-reading counting device according to claim 1, which is characterized in that the photoelectricity sampling component includes
It is set to the optical transmission circuit piece and optical receiving circuit piece of the character wheel two sides, the optical transmission circuit piece and optical receiving circuit piece
In installation and the main circuit board；The optical transmission circuit piece close to character wheel side setting there are five be arc-shaped distribution,
And the light-emitting tube of equidistant interval setting, there are five send out with the light in the side setting of close character wheel for the optical receiving circuit piece
Penetrate the one-to-one light receiving tube of pipe；
Each light-emitting tube and light receiving tube are electrically connected in an interleaved manner in character wheel described in two adjacent groups, said supply unit difference
It connect with light-emitting tube described in array and light receiving tube, and successively powers respectively.
3. infrared electro direct-reading counting device according to claim 2, which is characterized in that the optical transmission circuit piece, light
Receive circuit wafer in every group or partial of each pair of light-emitting tube, mode is electrically connected light receiving tube in a manner of direct-connected or staggeredly, and
It is electrically connected respectively by the metal-oxide-semiconductor of P-channel type with said supply unit, the pole G of each metal-oxide-semiconductor and the letter of the single-chip microcontroller
The electrical connection of number output pin, the pole D of the metal-oxide-semiconductor are electrically connected with light-emitting tube, light receiving tube, the pole S of the metal-oxide-semiconductor with it is described
Power supply unit electrical connection, the single-chip microcontroller control the metal-oxide-semiconductor for said supply unit and the optical transmission circuit piece, light respectively
Receive every group or partial of each pair of light-emitting tube in circuit wafer, light receiving tube is connected.
4. infrared electro direct-reading counting device according to claim 1, which is characterized in that the main circuit board further includes report
Alert module, the alarm module are used to send warning message when the photoelectricity sampling component continuous several times read wrong.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920004278.4U CN209447216U (en) | 2019-01-03 | 2019-01-03 | Infrared electro direct-reading counting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920004278.4U CN209447216U (en) | 2019-01-03 | 2019-01-03 | Infrared electro direct-reading counting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209447216U true CN209447216U (en) | 2019-09-27 |
Family
ID=68016028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920004278.4U Active CN209447216U (en) | 2019-01-03 | 2019-01-03 | Infrared electro direct-reading counting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209447216U (en) |
-
2019
- 2019-01-03 CN CN201920004278.4U patent/CN209447216U/en active Active
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