CN207218927U - A kind of camera shooting type reading remote meter copying device of gas meter character wheel - Google Patents
A kind of camera shooting type reading remote meter copying device of gas meter character wheel Download PDFInfo
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- CN207218927U CN207218927U CN201721243490.3U CN201721243490U CN207218927U CN 207218927 U CN207218927 U CN 207218927U CN 201721243490 U CN201721243490 U CN 201721243490U CN 207218927 U CN207218927 U CN 207218927U
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- camera
- character wheel
- gas meter
- prism
- copying device
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Abstract
The utility model discloses a kind of camera shooting type reading remote meter copying device of gas meter character wheel, control unit, power supply unit, communication module, camera, refraction reflective prism are installed in shell body, image at the character wheel of control unit control camera collection natural gas table, and the image of collection is transmitted to the server of gas company by communication module；It is Dove prism to reflect reflective prism, and the upper bottom L2 of Dove prism length is 25mm 35mm, the first hypotenuse S of Dove prism1Angle with bottom L1 is 28 ° 35 °, the second hypotenuse S of Dove prism2Angle with bottom L1 is 45 °；The utility model can realize the shooting of the sharply defined image matter of character wheel, be easy to the extraction process of data, suitable for the installation requirements and data acquisition demand of existing different stem-winders；Gas company is realized to the intellectuality with depressed calculation and data acquisition, information-based demand.
Description
Technical field
The utility model belongs to gas meter, flow meter apparatus field, and in particular to a kind of camera shooting type reading remote of gas meter character wheel
Meter copying device.
Background technology
With making constant progress and the large-scale promotion of urban duct and application for society, the application of gas meter, flow meter is also goed deep into
To huge numbers of families.Tradition machinery formula gas meter, flow meter is taken with advantages such as low price, high accuracy and high stabilities in the development of gas industry
Obtained and be widely applied；But traditional gas meter, flow meter meter reading method rely primarily on artificial timing meter reading collect, analyze data, by mistake
Record, leakage record cause the accuracy of meter reading data and integrality not to ensure, not only waste the substantial amounts of human and material resources in gas company,
Financial resources, it can not also meet requirement of the current gas company for data acquisition information.Existing intelligent gas meter is general all interior
Electronization sampling metering and data transmission module are put, can meet the needs of gas company is to intelligentize and informatization, but for
Solve existing a large amount of stem-winder information reforms and the problems such as displacement is difficult, cost is high be present.
It is the checking meter by directly reading technology of new generation just to grow up recent years to image reading technology, and it is passed using cmos image
Sensor gathers gas meter counter character wheel picture, realizes the digitlization and visualization of gas meter, flow meter；The technology, which can be realized, not to be changed
On the premise of the structure for becoming existing instrument, by installing external camera reading plotter additional, you can realize tradition machinery formula gas meter, flow meter
Intelligent information transformation, it is easier to mass market application.
Current existing camera shooting type direct-reading gas meter typically all uses the scheme of the preposition pen-hold grip mechanical character wheel reading of camera,
Due to the limitation of camera focal length and field of view angle, often result in pattern distortion be difficult to it is low with the excessive applicability of product size
The problems such as；Some products employ the optical system of mirror type or carry out light path using right-angle prism and turn back, but for one
Have a bit for the gas meter, flow meter of particular requirement, these light path systems of turning back can not meet requirement.
Utility model content
The purpose of this utility model is the camera shooting type reading remote meter copying device for providing a kind of gas meter character wheel, with solution
Certainly above-mentioned technical problem.
The utility model uses following technical scheme to achieve the above object：A kind of camera shooting type reading of gas meter character wheel
Remote reading meter, including shell body, the shell body are arranged on gas meter, and it is single that control is provided with the shell body
Member, power supply unit, communication module, camera, the reflective prism of refraction, the communication module, camera respectively with control unit phase
Connection, power supply unit are connected with communication module, camera module, control unit respectively, described control unit control camera
The image at the character wheel of gas meter is gathered, and the image of collection is transmitted to the service of gas company by communication module
Device；
The reflective prism of refraction is Dove prism, and the upper bottom L2 of Dove prism length is 25mm-35mm, trapezoidal
First hypotenuse S of prism1Angle with bottom L1 is 28 ° -35 °, the second hypotenuse S of Dove prism2With bottom L1 folder
Angle is 45 °；Dove prism bottom is close to the first hypotenuse S1One end be first end, Dove prism bottom is close to the second hypotenuse S2
One end be the second end；Literary name wheel position on the gas meter is corresponding with first end, the position of the camera
It is corresponding with the second end.
As further program of the utility model：Also include infrared light compensating lamp, the infrared light compensating lamp is arranged on shooting
At head, infrared light compensating lamp is also connected with power supply unit and control unit respectively.
As further program of the utility model：The shell body is trapezoidal, and the hypotenuse of shell body is provided with transparency window
Mouthful, the position of the transparent window is corresponding with literary name wheel.
As further program of the utility model：The transparent window and the angle of the bottom of trapezoidal enclosure body are 45 °.
As further program of the utility model：Said supply unit uses lithium battery power supply.
As further program of the utility model：The communication module is GPRS wireless communication modules.
As further program of the utility model：Described control unit uses PLC.
As further program of the utility model：Also include fixing device, the fixing device includes clip and metal
Bellows, one end of the metal bellows are fixed on natural gas line by clip, the other end of metal bellows with it is outer
Housing is fixed.
As further program of the utility model：The thickness for reflecting reflective prism is 12.5mm.
The beneficial effects of the utility model are：The utility model is simple and reasonable, the reflective prism of refraction of trapezium structure
Be easily installed, be easy to process, mounting and adjusting is easy, trapezium structure penetrate each hypotenuse angle of reflective prism set it is scientific and reasonable can be real
The shooting of the sharply defined image matter of existing character wheel, be easy to the extraction process of data, installation requirements suitable for existing different stem-winders and
Data acquisition demand；Lithium battery power supply unit used by equipment can guarantee that the work of equipment continuous-stable is up to more than 10 years
Time, meet requirement of the gas company to life period of equipment；Equipment is by GPRS wireless communication technologys by the picture number of copy reading
According to remote transmission to gas company's server, gas company is realized to intellectuality, the informationization with depressed calculation and data acquisition
Demand.
Brief description of the drawings
Fig. 1 is the utility model side structure schematic view；
Fig. 2 is the utility model control principle block diagram；
Fig. 3 is the utility model fixed structure front view；
Fig. 4 is the utility model fixed structure side view；
In figure：1-camera；2-gas meter；3-literary name wheel；4-transparent window；5-infrared light compensating lamp；6-folding
Penetrate reflective prism；7-shell body；8-metal bellows；9-natural gas line；10-clip.
Embodiment
The utility model is described in detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1-2, the camera shooting type reading remote meter copying device of a kind of gas meter character wheel, including shell body 7, it is described
Shell body 7 is arranged on gas meter 2, and control unit, power supply unit, communication module, camera are provided with the shell body 7
1st, reflect reflective prism 6, the communication module, camera are connected with control unit respectively, power supply unit respectively with the mould that communicates
Block, camera module, control unit are connected, the figure at the character wheel of described control unit control camera collection gas meter
Picture, and the image of collection is transmitted to the server of gas company by communication module；
The reflective prism 6 of refraction is Dove prism, and the upper bottom L2 of Dove prism length is 25mm-35mm, ladder
First hypotenuse S of shape prism1Angle with bottom L1 is 28 ° -35 °, can guarantee that the view data that camera obtains will not be tight
Distort again, while can guarantee that the transformation suitable for most of existing mechanical gas table；Second hypotenuse S of Dove prism2With
Bottom L1 angle is 45 °；Dove prism bottom is close to the first hypotenuse S1One end be first end, Dove prism bottom is leaned on
Nearly second hypotenuse S2One end be the second end；The position of literary name wheel 3 on the gas meter 2 is corresponding with first end, institute
The position for stating camera 1 is corresponding with the second end.
Bottom of the light that literary name wheel is sent through superrefraction reflection edge mirror is refracted into the inside for reflecting reflective prism, warp
First hypotenuse of the reflective prism of superrefraction is totally reflected, and then second hypotenuse of the reflection light through superrefraction reflection edge mirror occurs
Total reflection, last vertical exit enter camera module.The method turned back by reflecting reflective prism progress light path reduces
Camera shoot literary name wheel field of view angle, make by camera module shooting literary name wheel distortion of image it is smaller, as matter more
Clearly, and by the direction of propagation of light path change, greatly reduce the size of housing.
The present apparatus also includes infrared light compensating lamp 5, and the infrared light compensating lamp 5 is arranged at camera 1, and infrared light compensating lamp 5 is also
It is connected respectively with power supply unit and control unit so that the light of infrared light compensating lamp 5 is transferred to literary name by reflecting reflective prism 6
On wheel, it is easy to camera 1 to be clearly captured literary name wheel.
Shell body 7 is trapezoidal, and the hypotenuse of shell body 7 is provided with transparent window 4, the position of the transparent window 4 and literary name
It is corresponding to take turns 3.The transparent window 4 and the angle of the bottom of trapezoidal enclosure body are 45 °, and gas meter, flow meter character wheel number is read beneficial to artificial
According to.
Power supply unit uses lithium battery power supply, can ensure that system steady operation is up to more than 10 years time, realize product
Life cycle it is free of replacement, non-maintaining.The communication module is GPRS wireless communication modules, GPRS wireless communication module models
For SIM800C, described control unit uses PLC, and the thickness for reflecting reflective prism 6 is 12.5mm, camera lens
The head angle of visual field is that 40 ° of focal lengths are 4.4mm.
As shown in Figure 3-4, because reserved can install additional does not carry on mechanical gas meter all on market today
The fixing device of the remote reading meter of confession, in order that obtaining the present apparatus can remotely be copied for the gas meter of different model
Table, the present apparatus also include fixing device, and the fixing device includes clip 10 and metal bellows 8, the metal bellows 8
One end is fixed on natural gas line 9 by clip 10, and the other end and the shell body 7 of metal bellows 8 are fixed.Staff exists
Metal bellows 8 need to be only adjusted during use to adjust the position of remote reading meter, it is convenient and swift.
The utility model passes through unirefringence using the light of the trapezoidal reflective prism of refraction, after being totally reflected twice, has no to doubt
Ask that the total length of light path is longer than right-angle prism.The position of prism can be positioned over, which does not influence human eye, directly observes character wheel reading
Region, increase the direct interpretation character wheel of user convenience.
Described above is the utility model preferred embodiment, for the ordinary skill in the art, according to this reality
With new teaching, in the case where not departing from principle of the present utility model and spirit, the change that is carried out to embodiment, repair
Change, replace and modification is still fallen within the scope of protection of the utility model.
Claims (9)
1. a kind of camera shooting type reading remote meter copying device of gas meter character wheel, including shell body (7), the shell body (7) sets
Put on gas meter (2), it is characterised in that be provided with the shell body (7) control unit, power supply unit, communication module,
Camera (1), the reflective prism (6) of refraction, the communication module, camera are connected with control unit respectively, power supply unit point
It is not connected with communication module, camera module, control unit, the word of described control unit control camera collection gas meter
Image at wheel, and the image of collection is transmitted to the server of gas company by communication module；
The reflective prism (6) of refraction is Dove prism, and the upper bottom L2 of Dove prism length is 25mm-35mm, trapezoidal
First hypotenuse S of prism1Angle with bottom L1 is 28 ° -35 °, the second hypotenuse S of Dove prism2With bottom L1 angle
For 45 °；Dove prism bottom is close to the first hypotenuse S1One end be first end, Dove prism bottom is close to the second hypotenuse S2's
One end is the second end；Literary name wheel (3) position on the gas meter (2) is corresponding with first end, the camera (1)
Position it is corresponding with the second end.
2. the camera shooting type reading remote meter copying device of gas meter character wheel as claimed in claim 1, it is characterised in that also include
Infrared light compensating lamp (5), the infrared light compensating lamp (5) are arranged on camera (1) place, and infrared light compensating lamp (5) is also single with power supply respectively
Member and control unit connection.
3. the camera shooting type reading remote meter copying device of gas meter character wheel as claimed in claim 1, it is characterised in that described outer
Housing (7) is trapezoidal, and the hypotenuse of shell body (7) is provided with transparent window (4), position and the literary name wheel of the transparent window (4)
(3) it is corresponding.
4. the camera shooting type reading remote meter copying device of gas meter character wheel as claimed in claim 3, it is characterised in that described
Bright window (4) and the angle of the bottom of trapezoidal enclosure body are 45 °.
5. the camera shooting type reading remote meter copying device of gas meter character wheel as claimed in claim 1, it is characterised in that the confession
Electric unit uses lithium battery power supply.
6. the camera shooting type reading remote meter copying device of gas meter character wheel as claimed in claim 1, it is characterised in that described logical
Letter module is GPRS wireless communication modules.
7. the camera shooting type reading remote meter copying device of gas meter character wheel as claimed in claim 1, it is characterised in that the control
Unit processed uses PLC.
8. the camera shooting type reading remote meter copying device of gas meter character wheel as claimed in claim 1, it is characterised in that also include
Fixing device, the fixing device include clip (10) and metal bellows (8), and one end of the metal bellows (8) passes through
Clip (10) is fixed on natural gas line (9), and the other end and shell body (7) of metal bellows (8) are fixed.
9. the camera shooting type reading remote meter copying device of gas meter character wheel as claimed in claim 1, it is characterised in that refraction is anti-
The thickness of light prism (6) is 12.5mm, and the pick-up lens angle of visual field is that 40 ° of focal lengths are 4.4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721243490.3U CN207218927U (en) | 2017-09-26 | 2017-09-26 | A kind of camera shooting type reading remote meter copying device of gas meter character wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721243490.3U CN207218927U (en) | 2017-09-26 | 2017-09-26 | A kind of camera shooting type reading remote meter copying device of gas meter character wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207218927U true CN207218927U (en) | 2018-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721243490.3U Active CN207218927U (en) | 2017-09-26 | 2017-09-26 | A kind of camera shooting type reading remote meter copying device of gas meter character wheel |
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| CN (1) | CN207218927U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107465899A (en) * | 2017-09-26 | 2017-12-12 | 西安米特电子科技有限公司 | A kind of camera shooting type reading remote meter copying device of gas meter character wheel |
-
2017
- 2017-09-26 CN CN201721243490.3U patent/CN207218927U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107465899A (en) * | 2017-09-26 | 2017-12-12 | 西安米特电子科技有限公司 | A kind of camera shooting type reading remote meter copying device of gas meter character wheel |
| CN107465899B (en) * | 2017-09-26 | 2024-05-03 | 西安米特电子科技有限公司 | Camera type reading remote meter reading device for character wheel of natural gas meter |
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