CN201107075Y - Water meter image collecting equipment - Google Patents
Water meter image collecting equipment Download PDFInfo
- Publication number
- CN201107075Y CN201107075Y CNU2007201902751U CN200720190275U CN201107075Y CN 201107075 Y CN201107075 Y CN 201107075Y CN U2007201902751 U CNU2007201902751 U CN U2007201902751U CN 200720190275 U CN200720190275 U CN 200720190275U CN 201107075 Y CN201107075 Y CN 201107075Y
- Authority
- CN
- China
- Prior art keywords
- water meter
- video recording
- recording head
- meter image
- light reflection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a water meter image collector, which comprises a video recording device, a light reflection mirror, an electric power line, and a video transmission line; the light reflection mirror is arranged above a water meter word-wheel pan, the mirror surface of the light reflection mirror makes an angle of 45 degrees with the window of the water meter word-wheel pan and corresponds to the center of the water meter word-wheel pan; the video recording device is vertically arranged above the water meter word-wheel pan, the video recording head faces the light reflection mirror, the central axis of the video recording head is positioned at the physical center of the light reflection mirror; a singlechip is arranged in the video recording device, and the lower end of the video recording head is provided with a CMOS photosensitive chip. The water meter image sampler changes the prior direct video recording way of making a video recording on the water meter image into the reversal video recording way, can directly read the digit information on the water meter word-wheel, and simplifies the later stage processing procedure of the computer. Data reading is visual and precise, the structure is simple, the performance is reliable, and the maintenance is convenient.
Description
Technical field
The utility model relates to a kind of image/video harvester, specifically is meant a kind of water meter image acquisition device that is applicable to the wired copy system far away of water meter.
Background technology
The remote transmitting water meter kilowatt meter reading-out system of in China big and medium-sized cities, promoting at present, generally be above the window of water meter character wheel, camera to be installed, reading information transmission on the water meter character wheel is handled the problem that has solved the time-consuming of artificial copy reading existence and be not easy to manage concentratedly to the computing machine in the management system.But the video-unit of electronics image data in the market, general what adopt is the direct-injection type data acquisition, and camera is directly aimed at the last plane of water meter character wheel dish, when checking meter, the information on the water meter character wheel dish is transferred to supervisory computer and handles.What this data acquisition modes transmitted is reverse picture rather than data, computing machine need be handled through complicated data image just can draw data, therefore, existing water meter meter reading device exists that data are directly perceived, computer processing is numerous and diverse, device structure is complicated, cost is than problems such as height, and the popularization of remote transmitting water meter kilowatt meter reading-out system is restricted.
Summary of the invention
The purpose of this utility model is to solve the complex structure that present water meter meter reading device exists, and the problem that data are directly perceived, be prone to fault provides that a kind of data are directly perceived, simple in structure, dependable performance, water meter image acquisition device easy and simple to handle.
Water meter image acquisition device of the present utility model comprises camera device, reflective mirror, power lead and video transmission line, described reflective mirror is installed in the top of water meter character wheel dish, the window of the minute surface of this reflective mirror and water meter character wheel dish is miter angle, and corresponding with the center of water meter character wheel dish; Described camera device vertically is installed in water meter character wheel dish top, and recording head is to being shown in reflective mirror, and its central axis is positioned at the physical centre of reflective mirror; Single-chip microcomputer is housed in the camera device, and the lower end of recording head is provided with the CMOS sensitive chip.
One protective cover is installed above water meter, and this protective cover and water meter pass through bolted; The water meter image acquisition device is installed in the protective cover, and the video transmission line of power lead and recording head is drawn in protective cover.
The video transmission line of described recording head adopts 485 main lines.
Because the video head in the utility model water meter image acquisition device oppositely absorbs the character wheel graphical information by reflective mirror, be equipped with high performance single-chip microcomputer and CMOS sensitive chip, add special software algorithm, can identify the numerical information on the water meter character wheel exactly, the accuracy of identification can reach 99.98%.Video transmission line 485 main lines and power lead with data information transfer to the data of water meter concentrator, through the data of water meter concentrator fixed point of raw data is checked meter, after the processing such as data storage, order key entry, data derivation, enter storage and computing machine post-processed and supervisory routine.
The beneficial effect of the utility model water meter image acquisition device is: will have the water meter meter reading device now and directly take the photograph formula and shoot with video-corder the mode of water meter image and change the anti-formula of taking the photograph into and shoot with video-corder mode, processing through single-chip microcomputer and CMOS sensitive chip, the direct numerical information on the water-meter reading character wheel has been simplified the post-processed program of computing machine; This device for reading data is directly perceived, accurate, simple in structure, and the last plane that only need be installed in original water meter gets final product, and dependable performance is easy to operate, is convenient to maintenance.
Description of drawings
Fig. 1 is a light path principle figure of the present utility model.
Fig. 2 is the circuit block diagram of water meter image acquisition device.
Fig. 3 is with pack into structural representation behind the water meter of water meter image acquisition device.
Number among the figure: 1. reflective mirror, 2. water meter character wheel dish, 3.CMOS sensitive chip, 4. single-chip microcomputer, 5. camera device, 6. recording head, 7. power supply, 8. light source, 9.485 modules, 10. protective cover, 11. video transmission lines.
Embodiment
Reaching accompanying drawing in conjunction with the embodiments is described further structure of the present utility model.As shown in Figure 1, water meter image acquisition device of the present utility model comprises camera device 5, reflective mirror 1, power lead and video transmission line 11, reflective mirror 1 is installed in the top of water meter character wheel dish 2, can reflective mirror be fixed on the window that the transparent material of water meter character wheel dish makes by bonding mode.The window of the minute surface of this reflective mirror and water meter character wheel dish is 45 degree angles, and the center of minute surface is corresponding with the center of water meter character wheel dish; Camera device 5 is installed in the side of water meter character wheel dish top, as is welded on the coboundary of water meter case, and camera device 5 is 90 degree with the last plane of water meter character wheel dish, recording head 6 and reflective mirror 1 relative looking, and, the central axis of recording head is positioned at the physical centre of reflective mirror; Single-chip microcomputer 4 is housed in the camera device 5, and the lower end of recording head 6 is provided with CMOS sensitive chip 3.
In the present embodiment; one protective cover 10 (as shown in Figure 3) is installed above water meter; install waterproof apron additional between this protective cover and the water meter; pass through bolted; the water meter image acquisition device is installed in the protective cover 10; the video transmission line 11 of recording head adopts 485 main lines, and power lead and video transmission line 11 merge draws in protective cover 10.
In conjunction with light path principle figure shown in Figure 2 and circuit block diagram shown in Figure 4 principle of work of the present utility model is described: the graphical information on the water meter character wheel dish 2 projects on the light-sensitive surface of CMOS sensitive chip 3 by reflective mirror 1, high speed dsp processor and high capacity ram are arranged in the CMOS sensitive chip, through a series of complicated transforming process, final data is sent to single-chip microcomputer 4 inside by the IIC interface on the chip.Single-chip microcomputer can pass through this interface transmitting order to lower levels, gathers different row and reaches the purpose of gathering specific region image on the water meter character wheel with row.After through the software identifying, finally convert to and can handle the data message of using for back level.The effect of light source 8 be in the process of carrying out image acquisition moment glittering, illuminate zone to be collected, can improve the quality of imaging, thereby reach the discrimination that improves image.The effect of 485 modules 9 is interface conversion responsible and the concentrator data communication.The DC voltage that the direct current 24V power source conversion that power supply 7 provides concentrator becomes each functional module to need.
The data message that the utility model is not only applicable to water meter reads, and equally also can be used for the data read of ammeter, gas meter, flow meter etc.
Claims (3)
1, a kind of water meter image acquisition device, it is characterized in that: this water meter image acquisition device comprises camera device, reflective mirror, power lead and video transmission line, described reflective mirror is installed in the top of water meter character wheel dish, the window of the minute surface of this reflective mirror and water meter character wheel dish is miter angle, and corresponding with the center of water meter character wheel dish; Described camera device vertically is installed in water meter character wheel dish top, and recording head is to being shown in reflective mirror, and its central axis is positioned at the physical centre of reflective mirror; Single-chip microcomputer is housed in the camera device, and the lower end of recording head is provided with the CMOS sensitive chip.
2, water meter image acquisition device according to claim 1; it is characterized in that: a protective cover is installed above water meter; this protective cover and water meter are by bolted, and described water meter image acquisition device is installed in the protective cover, and the video transmission line of power lead and recording head is drawn in protective cover.
3, water meter image acquisition device according to claim 1, it is characterized in that: the video transmission line of described recording head adopts 485 main lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201902751U CN201107075Y (en) | 2007-11-20 | 2007-11-20 | Water meter image collecting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201902751U CN201107075Y (en) | 2007-11-20 | 2007-11-20 | Water meter image collecting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201107075Y true CN201107075Y (en) | 2008-08-27 |
Family
ID=39958882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201902751U Expired - Fee Related CN201107075Y (en) | 2007-11-20 | 2007-11-20 | Water meter image collecting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201107075Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104506825A (en) * | 2015-01-09 | 2015-04-08 | 樊智勇 | Electronic reading device for mechanical gauge and reading method thereof |
| CN104729366A (en) * | 2013-12-20 | 2015-06-24 | 于净 | Image-based scattered bullets detection storage drawer and bullet cabinet |
| CN108613710A (en) * | 2016-12-09 | 2018-10-02 | 无锡聚为科技有限公司 | A kind of reflective camera shooting cover structure |
-
2007
- 2007-11-20 CN CNU2007201902751U patent/CN201107075Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729366A (en) * | 2013-12-20 | 2015-06-24 | 于净 | Image-based scattered bullets detection storage drawer and bullet cabinet |
| CN104729366B (en) * | 2013-12-20 | 2016-06-08 | 于净 | A kind of by storage drawer and the bullet cabinet of the scattered bullet of image detection |
| CN104506825A (en) * | 2015-01-09 | 2015-04-08 | 樊智勇 | Electronic reading device for mechanical gauge and reading method thereof |
| CN108613710A (en) * | 2016-12-09 | 2018-10-02 | 无锡聚为科技有限公司 | A kind of reflective camera shooting cover structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080827 Termination date: 20121120 |