CN112449114A - Attached water meter remote reading device - Google Patents
Attached water meter remote reading device Download PDFInfo
- Publication number
- CN112449114A CN112449114A CN202011339258.6A CN202011339258A CN112449114A CN 112449114 A CN112449114 A CN 112449114A CN 202011339258 A CN202011339258 A CN 202011339258A CN 112449114 A CN112449114 A CN 112449114A
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- CN
- China
- Prior art keywords
- water meter
- shell
- butt joint
- rod
- reading device
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/695—Control of camera direction for changing a field of view, e.g. pan, tilt or based on tracking of objects
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/06—Indicating or recording devices
- G01F15/061—Indicating or recording devices for remote indication
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/2624—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects for obtaining an image which is composed of whole input images, e.g. splitscreen
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention relates to an additional water meter remote reading device, which comprises a meter head capable of being buckled with a water meter, wherein the meter head comprises a shell, the shell is provided with a butt joint, and the butt joint is buckled with a dial plate of the water meter; install photographing mechanism and controlling means in the casing, photographing mechanism includes: the radial rod is rotatably arranged on the shell; the first camera shooting device is arranged on the radial rod in a sliding mode; the spiral groove is formed in the shell, the back of the first camera shooting device is provided with a guide pin, and the guide pin is slidably inserted into the spiral groove. The shell is also provided with a clamping mechanism. The device can realize a larger shooting visual field angle with a lower device height, and effectively reduces measurement errors. And the risk of being illegally dismantled can also be stopped when being convenient for install.
Description
Technical Field
The invention relates to the technical field of water meters, in particular to an additional water meter remote reading device.
Background
The water meter is a main appliance for measuring water flow, is widely applied to daily life of people, and along with the development of economy and science and technology, the meter reading work is developed from traditional manual meter reading to automatic remote meter reading.
At present, the transformation of a plurality of intelligent remote water meters such as an IC card prepaid water meter (CN202422270U) and a household water meter into a remote meter reading (CN2783279Y) involves the transformation of a mechanical water meter body, so that the practical application causes inconvenience and waste due to direct replacement. The other is an intelligent remote meter reading device (patent number: CN 206194114U) based on a GSM network, under the condition that a mechanical device of the water meter is not modified, an additional device is added to carry out intelligent remote reading on the water meter, and a similar idea is adopted in a meter reading system (patent numbers CN202306802U and CN101000652) based on wireless image remote transmission.
In intelligence teletransmission water gauge product, the majority is based on make a video recording and shoot and remote communication technique, contains communication module design and the module design of making a video recording, and the module of making a video recording generally adopts the mode of directly shooting the water gauge disc. The direct shooting design of the camera of the current mainstream product has the following defects: the height of the product surface cover is limited, and the product surface cover is not suitable for some construction scenes; the product camera shoots the water gauge disc angle of vision and is less, and the product can't the adaptation to some mechanical water meters.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides an additional water meter remote reading device which can realize a larger shooting angle of view with a lower device height and effectively reduce measurement errors. And the risk of being illegally dismantled can also be stopped when being convenient for install.
The technical scheme adopted by the invention for solving the technical problems is as follows:
an additional water meter remote reading device comprises a meter head which can be buckled with a water meter,
the meter head comprises a shell, wherein the shell is provided with a butt joint port, and the butt joint port is buckled with a dial plate of the water meter;
install photographing mechanism and controlling means in the casing, photographing mechanism includes:
the radial rod is rotatably arranged on the shell;
the first camera shooting device is arranged on the radial rod in a sliding mode;
the spiral groove is formed in the shell, the back of the first camera shooting device is provided with a guide pin, and the guide pin is slidably inserted into the spiral groove.
Further, install fixture in the casing, fixture includes:
the second rotating ring is rotatably arranged on the periphery of the butt joint port and is provided with a plurality of inclined guide grooves;
the clamping blocks are circumferentially and uniformly distributed on the periphery of the butt joint port and can slide along the radial direction of the butt joint port, and guide columns are arranged on the clamping blocks and can be slidably inserted into the guide grooves;
and the top plate is fixedly arranged on the outer side of the second rotating ring, and a pre-compressed spring is arranged between the top plate and the shell.
Furthermore, a first rotating ring is fixedly arranged on the periphery of the radial rod, worm teeth are arranged on the periphery of the first rotating ring, a transmission worm in meshing transmission with the worm teeth is arranged in the shell, and the transmission worm is driven by a motor.
Furthermore, an encoder is arranged between the radial rod and the shell.
Furthermore, a second camera device capable of synchronously performing mirror image movement with the first camera device is slidably arranged on the radial rod.
Furthermore, a guide rod is vertically arranged on the radial rod and is positioned in the center of the side edge of the radial rod; the guide rod is provided with a sliding block in a sliding manner, a connecting rod is arranged between the sliding block and the first camera shooting device, and a connecting rod is arranged between the sliding block and the second camera shooting device.
Furthermore, a switch is arranged between the top plate and the shell.
A water meter reading method comprising the steps of:
a. the motor drives the first rotating ring to rotate through the transmission worm;
b. the first camera device moves spirally from outside to inside along with the rotation of the radial rod;
c. when the radial rod rotates for a certain angle, the first camera device takes a picture of the dial plate of the water meter and generates an image;
d. and c, synthesizing a plurality of images shot by the first camera device at different positions in the step c into a general picture, wherein the synthesized general picture can cover the whole display area of the dial.
A gauge outfit anti-disassembly method comprises the following steps:
a. when the butt joint port is in butt joint with the dial plate of the water meter, the clamping block is pressed on the side wall of the dial plate of the water meter;
b. when the butt joint port is separated from the dial plate of the water meter, the top plate rotates along with the second rotating ring under the action of the spring, and the clamping block continues to move towards the center of the butt joint port;
c. until the top plate touches the switch, the control device sends out an alarm signal.
The invention has the beneficial effects that:
(1) the first camera device can shoot a plurality of images at different positions along the spiral motion track, and then a general diagram which can cover the whole display area of the dial is synthesized, so that a larger shooting visual angle can be realized by a lower device height.
(2) When the gauge outfit breaks away from with the water gauge, can detect and send the warning, effectively stop the risk of being illegally demolishd.
(3) Can shoot twice to the gauge outfit simultaneously through two camera device, through the image that two cameras of contrast were shot, can effectively reduce measuring error.
(4) During installation, the center of the photographing mechanism can be aligned to the center of the water meter dial through the clamping mechanism, and the meter head can be installed and positioned conveniently.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the installation of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic view of the installation of the clamping mechanism of the present invention;
FIG. 4 is a schematic structural view of a photographing mechanism of the present invention;
fig. 5 is a partial enlarged view at a position a of fig. 3;
fig. 6 is a cross-sectional view of the present invention.
In the figure:
1. meter head, 2. water meter
11. Shell, 12 photographing mechanism, 13 clamping mechanism, 14 control device
1101. Interface, 1102 installation cavity
1201. A slide block 1202, a connecting rod 1203, a first camera shooting device 1204, a first rotating ring 1205, a radial rod 1206, an encoder 1207, a spiral groove 1208, a second camera shooting device 1209, a motor 1210, a transmission worm 1211 and a guide rod
1301. Second swivel, 1302 clamp block, 1303 top plate, 1304 spring, 1305 switch, 1306 guide slot, 1307 guide post.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, an additional water meter remote reading device includes a meter head 1 that can be fastened to a water meter 2, and in an actual implementation process, the meter head 1 can be connected and fixed to the water meter 2 by bolts, bands, or additional fixing structures in other manners.
As shown in fig. 2, the meter head 1 includes a housing 11, a docking port 1101 is formed on the housing 11, the docking port 1101 is a circular opening matched with the dial plate of the water meter 2, and the docking port 1101 can be docked and fastened on the dial plate of the water meter 2; photographing mechanism 12 and control device 14 are also mounted in housing 11. In order to enable remote control and wireless transmission functions, a wireless transmission device is provided in the control device 14.
As shown in fig. 4, 5, and 6, the photographing mechanism 12 includes a rotatable first rotating ring 1204, a rotation center of the first rotating ring 1204 is coaxial with a center of the docking port 1101, a radial rod 1205 is installed on the first rotating ring 1204, a rotating shaft rotatably connected to the housing 11 is installed at a center of the radial rod 1205, a first camera 1203 and a second camera 1208 are respectively installed at two ends of the radial rod 1205, and the first camera 1203 and the second camera 1208 can slide along a length direction of the radial rod 1205 and perform synchronous mirror motion. To facilitate close-up shooting in dark conditions, the first and second cameras 1203 and 1208 are macro cameras with illumination lamps.
A synchronous mirror motion can be realized between the first camera device 1203 and the second camera device 1208 through a plurality of structures such as a synchronous screw rod and a synchronous gear rack, but in order to reduce the longitudinal height of the device and realize the maximum moving distance between the first camera device 1203 and the second camera device 1208, in specific implementation, a guide rod 1211 is additionally arranged at the center of the side edge of the radial rod 1205, the guide rod 1211 adopts two optical axes which are arranged in parallel, and the guide rod 1211 is arranged on a vertical bisector of the radial rod 1205; the guide 1211 is provided with a slider 1201 capable of sliding along a longitudinal direction thereof, a connecting rod 1202 is provided between the slider 1201 and the first image pickup device 1203, and the connecting rod 1202 is provided between the slider 1201 and the second image pickup device 1208. The link 1202 is hinged to the first camera 1203, the second camera 1208 and the slider 1201. The movement of the first camera 1203 on the radial bar 1205 can be transmitted through the above structure and drive the second camera 1208 to make a synchronous mirror motion.
The periphery of the first rotating ring 1204 is provided with worm teeth, a transmission worm 1210 in meshing transmission with the worm teeth is horizontally arranged in the shell 11, the transmission worm 1210 is driven to rotate by a motor 1209, the motor 1209 can adopt a servo motor in order to realize the function of accurately controlling the rotation angle of the radial rod 1205, and the motor 1209 is electrically connected with the control device 14. In order to realize the closed-loop control of the positioning of the rotation angle of the radial rod 1205, an encoder 1206 may be additionally installed between the radial rod 1205 and the casing 11, and the encoder 1206 is electrically connected with the control device 14. When the encoder 1206 is used, the motor 1209 can perform its function by using a stepping motor.
The bottom surface of the housing 11 is provided with a spiral groove 1207, the spiral groove 1207 is in an outward-diffusing spiral shape, the center of the spiral groove 1207 is coaxial with the rotation center of the first rotating ring 1204, and the back of the first imaging device 1203 is provided with a guide pin which is inserted in the spiral groove 1207 and can slide along the track direction of the spiral groove 1207. When the radial rod 1205 rotates, the first camera 1203 slides along the length direction of the radial rod 1205 while rotating along with the radial rod 1205, and finally forms a motion track corresponding to the spiral groove 1207.
As shown in fig. 3 and 6, in order to facilitate positioning of the meter head and prevent the meter head from being illegally detached, a clamping mechanism 13 is further installed in the housing 11, the clamping mechanism 13 includes a second rotating ring 1301, the second rotating ring 1301 is rotatably installed on the periphery of the docking port 1101, a plurality of guide grooves 1306 are circumferentially and uniformly distributed on the second rotating ring 1301, and a certain included angle is formed between the length direction of each guide groove 1306 and the radial direction of the second rotating ring 1301. The periphery of the butt joint port 1101 is also provided with clamping blocks 1302 which are the same in number as the guide grooves 1306 and are evenly distributed circumferentially, the clamping blocks 1302 are located at the lower end of the second rotating ring 1301, the clamping blocks 1302 are connected with the shell 11 through guide rails, the clamping blocks 1302 can slide along the radial direction of the butt joint port 1101, guide columns 1307 are arranged on the clamping blocks 1302, and the guide columns 1307 are inserted into the guide grooves 1306 and can slide along the length direction of the guide grooves 1306.
The housing 11 further has a mounting cavity 1102, a top plate 1303 and a spring 1304 are installed in the mounting cavity 1102, and the top plate 1303 is fixedly connected to the outer side wall of the second rotating ring 1301 and can rotate together with the second rotating ring 1301. The spring 1304 is installed between the top plate 1303 and the side wall of the installation cavity 1102, and the spring 1304 is a pre-compressed spring and can drive the second rotating ring 1301 to rotate through the elastic restoring force thereof, so that the clamping block 1302 is driven to synchronously slide towards the center of the second rotating ring 1301, and the side wall of the dial plate of the water meter 2 is pressed. When the clamping block 1302 is disengaged from the dial of the water meter 2, the second rotation ring 1301 is further rotated by the spring 1304 until the top plate 1303 presses against the side wall of the mounting cavity 1102 at the end away from the spring 1304. A switch 1305 is further disposed between the top plate 1303 and a sidewall of the mounting cavity 1102 away from the spring 1304, and the switch 1305 is electrically connected to the control device 14. When the top plate 1303 presses against the side wall of the mounting cavity 1102 away from the end of the spring 1304, the switch 1305 is activated, and the control device 14 receives a signal from the switch 1305 and sends an alarm signal.
A water meter reading method comprising the steps of:
a. the motor 1209 rotates the first rotating ring 1204 via the worm gear 1210.
b. The first camera 1203 moves spirally from outside to inside along with the rotation of the radial rod 1205, and the second camera 1208 moves spirally from outside to inside along with the rotation of the radial rod 1205.
c. Every time the radial rod 1205 rotates by a certain angle, the first camera device 1203 photographs the dial plate of the water meter 2 and generates an image, and the second camera device 1208 photographs the dial plate of the water meter 2 and generates an image.
d. And c, synthesizing a plurality of images shot by the first camera 1203 at different positions in the step c into a general graph, wherein the synthesized general graph can cover the whole display area of the dial, synthesizing a plurality of images shot by the second camera 1208 at different positions into a general graph, and the synthesized general graph can cover the whole display area of the dial. Specifically, each photographing position of the image pickup device has a fixed and unique polar coordinate point, so that when images are synthesized, the center of each image is overlapped with the corresponding polar coordinate point, the orientation of each image is overlapped with the polar angle line of the corresponding polar coordinate, and a general diagram covering the whole area of the dial can be generated in a superposition mode.
e. The two combined general graphs are transmitted to the receiving end through the wireless transmission device on the control device 14.
A gauge outfit anti-disassembly method comprises the following steps:
a. when the interface 1101 is butted with the dial of the water meter 2, the clamping block 1302 presses the side wall of the dial of the water meter 2.
b. When the interface 1101 is separated from the dial of the water meter 2, the clamping block 1302 loses the reaction force of the dial side wall, the top plate 1303 continues to rotate along with the second rotating ring 1301 under the action of the spring 1304, and the clamping block 1302 continues to move towards the center of the interface 1101.
c. Until the top plate 1303 touches the switch 1305, the control device 14 sends out an alarm signal, and the alarm signal is transmitted to the receiving end through the wireless transmission device.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. An additional water meter remote reading device comprises a meter head (1) which can be buckled with a water meter (2), and is characterized in that,
the meter head (1) comprises a shell (11), wherein a butt joint port (1101) is formed in the shell (11), and the butt joint port (1101) is buckled with a dial plate of the water meter (2);
the built-in mechanism of shooing (12) and controlling means (14) and being equipped with of casing (11), it includes to shoot mechanism (12):
a radial rod (1205) rotatably disposed on the housing (11);
a first camera device (1203) arranged on the radial rod (1205) in a sliding manner;
the spiral groove (1207) is arranged on the shell (11), the back of the first camera shooting device (1203) is provided with a guide pin, and the guide pin is slidably inserted into the spiral groove (1207).
2. An add-on water meter remote reading device as defined in claim 1,
the casing (11) is built-in to be equipped with fixture (13), fixture (13) include:
the second rotating ring (1301) is rotatably arranged on the periphery of the butt joint port (1101), and a plurality of inclined guide grooves (1306) are formed in the second rotating ring (1301);
the clamping blocks (1302) are uniformly distributed on the periphery of the butt joint port (1101) in the circumference and can slide along the radial direction of the butt joint port (1101), guide columns (1307) are arranged on the clamping blocks (1302) and can be inserted into the guide grooves (1306) in a sliding mode;
and the top plate (1303) is fixedly arranged on the outer side of the second rotating ring (1301), and a pre-compressed spring (1304) is arranged between the top plate (1303) and the shell (11).
3. An add-on water meter remote reading device as defined in claim 1,
the outer periphery of the radial rod (1205) is fixedly provided with a first rotating ring (1204), the outer periphery of the first rotating ring (1204) is provided with worm teeth, a transmission worm (1210) in meshing transmission with the worm teeth is arranged in the shell (11), and the transmission worm (1210) is driven by a motor (1209).
4. An add-on water meter remote reading device as defined in claim 1,
an encoder (1206) is arranged between the radial rod (1205) and the shell (11).
5. An add-on water meter remote reading device as defined in claim 1,
and a second camera device (1208) capable of synchronously performing mirror image movement with the first camera device (1203) is arranged on the radial rod (1205) in a sliding manner.
6. An add-on water meter remote reading device as defined in claim 5,
a guide rod (1211) is vertically arranged on the radial rod (1205), and the guide rod (1211) is positioned in the center of the side edge of the radial rod (1205); a sliding block (1201) is arranged on the guide rod (1211) in a sliding mode, a connecting rod (1202) is arranged between the sliding block (1201) and the first camera shooting device (1203), and the connecting rod (1202) is arranged between the sliding block (1201) and the second camera shooting device (1208).
7. An add-on water meter remote reading device as defined in claim 2,
a switch (1305) is installed between the top plate (1303) and the housing (11).
8. A method of reading a water meter using the remote reading device of an add-on water meter of claim 3, comprising the steps of:
a. the motor (1209) drives the first rotating ring (1204) to rotate through the transmission worm (1210);
b. the first camera device (1203) moves spirally from outside to inside along with the rotation of the radial rod (1205);
c. when the radial rod (1205) rotates for a certain angle, the first camera device (1203) takes a picture of the dial plate of the water meter (2) and generates an image;
d. and c, combining a plurality of images shot by the first camera device (1203) at different positions in the step c into a general diagram, wherein the combined general diagram can cover the whole display area of the dial.
9. A method of preventing disassembly of a meter head using the remote reading device of an add-on water meter of claim 7, comprising the steps of:
a. when the butt joint port (1101) is in butt joint with the dial plate of the water meter (2), the clamping block (1302) presses the side wall of the dial plate of the water meter (2);
b. when the butt joint port (1101) is separated from the dial plate of the water meter (2), under the action of the spring (1304), the top plate (1303) rotates along with the second rotating ring (1301), and the clamping block (1302) continues to move towards the center of the butt joint port (1101);
c. until the top plate (1303) touches the switch (1305), the control device (14) sends out an alarm signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011339258.6A CN112449114B (en) | 2020-11-25 | 2020-11-25 | Attached water meter remote reading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011339258.6A CN112449114B (en) | 2020-11-25 | 2020-11-25 | Attached water meter remote reading device |
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| Publication Number | Publication Date |
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| CN112449114A true CN112449114A (en) | 2021-03-05 |
| CN112449114B CN112449114B (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011339258.6A Active CN112449114B (en) | 2020-11-25 | 2020-11-25 | Attached water meter remote reading device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180052008A1 (en) * | 2016-08-17 | 2018-02-22 | Arnon MAMAN | Meter reading device and system |
| CN110578862A (en) * | 2019-10-07 | 2019-12-17 | 宋鹏威 | Intelligent protective equipment for water meter |
| CN210839744U (en) * | 2019-10-18 | 2020-06-23 | 深圳市行知达科技有限公司 | Focusing mechanism and camera module |
| CN210893284U (en) * | 2019-09-04 | 2020-06-30 | 江花集团有限公司 | Camera shooting water meter with adjusting function |
| CN211013123U (en) * | 2020-02-28 | 2020-07-14 | 海南琼水表业有限公司 | Intelligent water meter box |
| CN111520602A (en) * | 2020-05-26 | 2020-08-11 | 张月平 | Equipment convenient to transform intelligent audio-visual product shooting angle |
-
2020
- 2020-11-25 CN CN202011339258.6A patent/CN112449114B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180052008A1 (en) * | 2016-08-17 | 2018-02-22 | Arnon MAMAN | Meter reading device and system |
| CN210893284U (en) * | 2019-09-04 | 2020-06-30 | 江花集团有限公司 | Camera shooting water meter with adjusting function |
| CN110578862A (en) * | 2019-10-07 | 2019-12-17 | 宋鹏威 | Intelligent protective equipment for water meter |
| CN210839744U (en) * | 2019-10-18 | 2020-06-23 | 深圳市行知达科技有限公司 | Focusing mechanism and camera module |
| CN211013123U (en) * | 2020-02-28 | 2020-07-14 | 海南琼水表业有限公司 | Intelligent water meter box |
| CN111520602A (en) * | 2020-05-26 | 2020-08-11 | 张月平 | Equipment convenient to transform intelligent audio-visual product shooting angle |
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| Publication number | Publication date |
|---|---|
| CN112449114B (en) | 2021-12-31 |
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