CN219834316U - Meter reading device - Google Patents

Abstract

The utility model discloses a meter reading device, which comprises a shell structure and an image acquisition assembly, wherein the shell structure is light-proof and covers a dial plate of a water meter, a sealing cavity is formed in the shell structure, and a transparent area for the dial plate of the water meter to be exposed is formed in the bottom wall of the sealing cavity; the image acquisition assembly is arranged in the sealing cavity and is used for being connected with a remote terminal in a communication mode, the image acquisition assembly comprises a camera and a light source, the camera is used for shooting data displayed on a dial of the water meter, and the light source is used for providing light for shooting of the camera. According to the utility model, the light-tight shell structure is arranged, so that the ambient light is isolated outside the shell structure, the interference of the ambient light is avoided, and the light source in the sealing cavity is used for lighting the sealing cavity, so that the image acquisition assembly is convenient for image acquisition.

Description

Meter reading device

Technical Field

The utility model relates to the technical field of water meter reading equipment, in particular to a meter reading device.

Background

In life, the consumption of water, gas, electricity and other resources is automatically counted by a water meter and a gas meter in home to form water energy and natural gas consumption values in a certain period of time, and a company calculates the consumption of the water energy and the natural gas consumption values in a period of time according to the difference value between the last meter reading result and the current meter reading result, so as to determine the cost according to the unit price. The traditional mechanical water meter has obvious defects, needs manual on-site meter reading, has high labor cost, and can influence the normal life of residents in the meter reading process.

In order to avoid the problems, a remote camera meter reading device is generated, and the remote camera meter reading device is a device which realizes the remote transmission function of the water meter reading by installing a camera on a water meter dial, shooting a picture of the water meter dial by the camera, and then transmitting the identified data or the original picture to an acquisition system.

However, under the effect of ambient light, the light irradiates from all directions toward the dial, and specular reflection or light spots are easily formed on the dial, so that the shooting and recognition effects are significantly affected.

Disclosure of Invention

The utility model mainly aims to provide a meter reading device which aims to prevent interference of ambient light on a remote camera meter reading device so as to improve shooting and identification effects.

In order to achieve the above purpose, the meter reading device provided by the utility model comprises a shell structure and an image acquisition assembly, wherein the shell structure is light-proof and covers a dial plate of the water meter, a sealing cavity is formed in the shell structure, and a transparent area for the dial plate of the water meter to be exposed is formed on the bottom wall of the sealing cavity; the image acquisition assembly is arranged in the sealing cavity and is used for being connected with a remote terminal in a communication mode, the image acquisition assembly comprises a camera and a light source, the camera is used for shooting data displayed on a dial of the water meter, and the light source is used for providing light for shooting of the camera.

Optionally, the image acquisition assembly further comprises a control circuit board, the control circuit board is installed in the sealing cavity, and the camera and the light source are both installed on the control circuit board and electrically connected with the control circuit board.

Optionally, the control circuit board is installed in the top of sealed chamber, the camera with the light source is all installed control circuit board's surface towards transparent district, the camera orientation transparent district sets up.

Optionally, the camera is located on the axis of the water meter, and the light source is arranged on the periphery of the camera.

Optionally, the shell structure includes shell main part and shading lid, the dial plate of water gauge is located to shell main part lid, one side of shell main part is formed with the printing opacity window, shading lid is located the printing opacity window.

Optionally, the light shielding cover is rotatably connected with the shell main body so as to open or close the light transmission window.

Optionally, the surface of shell main part protruding is equipped with two installation ears that set up relatively, the outer fringe of shading lid is protruding to be equipped with the rotation ear, the rotation ear is acceptd two between the installation ear, rotate and connect in two the installation ear.

Optionally, the shell main body includes sealed storehouse and battery compartment, the dial plate of water gauge is located to sealed storehouse lid, one side of sealed storehouse is formed with the printing opacity window, the battery compartment is located sealed storehouse deviate from the one side of printing opacity window, and with sealed chamber is isolated, be equipped with the battery in the battery compartment, be used for with the image acquisition subassembly electricity is connected.

Optionally, the meter reading device further comprises a clamp, the clamp is clamped at the side periphery of the water meter, and the shell structure is fixedly connected with the clamp.

Optionally, the clamp includes first clamp and second clamp, the one end of first clamp with the one end rotation of second clamp is connected, the other end of first clamp with the other end of second clamp passes through the fastener and connects, first clamp with the second clamp encloses to close and forms the card of holding the water gauge and holds the space.

The meter reading device comprises a shell structure and an image acquisition assembly, wherein the shell structure is light-tight and covers a dial plate of a water meter, a sealing cavity is formed in the shell structure, a transparent area for the dial plate of the water meter to be exposed is formed in the bottom wall of the sealing cavity, the image acquisition assembly is arranged in the sealing cavity and is used for being in communication connection with a remote terminal, the image acquisition assembly comprises a camera and a light source, the camera is used for shooting data displayed by the dial plate of the water meter, and the light source is used for providing brightness for shooting by the camera. This novel shell structure through setting up light-tight, with the isolated outside shell structure of ambient light, avoided the interference of ambient light to rely on the light source in the sealed chamber to give out light in order to illuminate the sealed chamber, the image acquisition subassembly of being convenient for carries out image acquisition.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram illustrating an embodiment of a meter reading device according to the present utility model;

FIG. 2 is a schematic diagram of an embodiment of a meter reading device according to the present utility model;

FIG. 3 is a partial cross-sectional view of a housing structure of an embodiment of a meter reading device of the present utility model;

FIG. 4 is a schematic view of a light shielding cover of an embodiment of a meter reading device according to the present utility model in an open state;

fig. 5 is a burst diagram of a housing structure of the meter reading device of the present utility model.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The traditional mechanical water meter has obvious defects, needs manual on-site meter reading, has high labor cost, and can influence the normal life of residents in the meter reading process. In order to avoid the problems, a remote camera meter reading device is generated, and the remote camera meter reading device is a device which realizes the remote transmission function of the water meter reading by installing a camera on a water meter dial, shooting a picture of the water meter dial by the camera, and then transmitting the identified data or the original picture to an acquisition system. However, under the effect of ambient light, the light irradiates from all directions toward the dial, and specular reflection or light spots are easily formed on the dial, so that the shooting and recognition effects are significantly affected.

Therefore, the present utility model provides a meter reading device 100, which aims to prevent the interference of the ambient light to the remote camera meter reading device 100.

Referring to fig. 1 to 5, in an embodiment of the meter reading device 100 of the present utility model, the embodiment includes a housing structure 2 and an image acquisition assembly 3, the housing structure 2 is opaque and covers a dial of the water meter 200, a sealing cavity is formed inside the housing structure 2, and a transparent area 211 for exposing the dial of the water meter 200 is formed on a bottom wall of the sealing cavity; the sealed chamber is located to image acquisition subassembly 3 for be connected with remote terminal communication, image acquisition subassembly 3 include camera 31 and light source 5, and camera 31 is used for shooing the data that the dial plate of water gauge 200 shows, and light source 5 is used for providing light for the shooting of camera 31.

The conventional mechanical water meter 200 generally includes a meter body 201 and a water inlet nozzle; 202. a water outlet nozzle 203 and a dial, wherein the water inlet nozzle; 202 and water outlet pipe orifice 203 are convexly arranged at two ends of the water meter body 201, and the top of the water meter body 201 is provided with a dial plate. The top of the dial of the water meter 200 is covered by the shell structure 2, the shell structure 2 comprises a base 21 and a cover body 22, the dial is covered by the base 21, and the seal cavity is formed by enclosing the cover body 22 and the top of the base 21. The sealed intracavity is provided with the image acquisition subassembly 3 that is used for long-range shooting, and the region that base 21 and dial plate lid were established is formed with transparent district 211, and transparent district 211 can the fretwork setting, also can adopt transparent glass piece setting, the light of the camera 31 of being convenient for pierces through transparent district 211 in order to take photograph the data of dial plate. The image acquisition component 3 is in communication connection with a remote terminal, the camera 31 transmits the shot dial reading to the remote terminal, and the remote terminal recognizes and analyzes data, so that remote meter reading is realized. The housing structure 2 is opaque, and may be formed by injection molding of opaque colored plastic, or may be formed by painting the side walls of the housing structure 2. A light source 5 is arranged in the sealed cavity, and the light source 5 comprises a flash lamp, an LED lamp or an incandescent lamp, etc.

In sum, this use is novel through setting up the light-tight shell structure 2, with the isolated outside shell structure 2 of ambient light, avoided the interference of ambient light to rely on the light source 5 in the sealed chamber to give out light in order to illuminate the sealed chamber, the image acquisition subassembly 3 of being convenient for carries out image acquisition.

The image acquisition assembly 3 further comprises a control circuit board 32, the control circuit board 32 is arranged in the sealed cavity, and the camera 31 and the light source 5 are both arranged on the control circuit board 32 and are electrically connected with the control circuit board 32.

In one embodiment, the control circuit board 32 is mounted on the top of the sealed cavity, the baffle 223 is suspended on the top wall of the sealed cavity, the baffle 223 encloses to form a containing cavity, the control circuit board 32 is mounted in the containing cavity, the camera 31 and the light source 5 are both mounted on the surface of the control circuit board 32 facing the transparent area 211, and the camera 31 is disposed facing the transparent area 211.

It should be noted that, when the light source 5 irradiates the dial area, the position in the area may observe a light spot formed by almost specular reflection at a specific angle, and in order to avoid the light spot from appearing in the area of the pointer or the character wheel of the dial, it is necessary to reasonably set the irradiation angle or the position of the light source 5 so that the light source 5 irradiates toward the peripheral area of the dial of the water meter 200. For this purpose, in an embodiment of the present utility model, the camera 31 is located on the central axis of the water meter 200, and the light source 5 is disposed on the periphery of the camera 31. Here, the peripheral side of the camera 31 refers to an area where a pointer or a character wheel deviating from a dial is located.

Another embodiment differs from the above embodiment in that the light source 5 is mounted to the inner side wall of the housing 22 and irradiates toward the other inner side wall of the housing 22. The light source 5 irradiates towards the inner side wall of the cover body 22, so that the sealing cavity can be illuminated, the light source 5 is prevented from directly irradiating the dial, and the problem of specular reflection of the dial is avoided.

Another embodiment differs from the above embodiment in that the light source 5 is mounted in an area other than the transparent area 211 of the base 21 and irradiates toward the top of the cover 22. Of course, the light source 5 is prevented from directly irradiating toward the camera 31, and the camera 31 is prevented from photographing overexposure. The scheme can also realize the illumination of the sealed cavity, and also avoids the problem that the light source 5 directly irradiates the dial plate and the mirror reflection of the dial plate is avoided.

Further, the housing structure 2 includes a housing body and a light shielding cover 222, the housing body covers the dial of the water meter 200, a light transmission window 221 is formed on one side of the housing body, and the light shielding cover 222 covers the light transmission window 221.

Wherein, the region of shell main part except printing opacity window 221 and transparent district 211 all is light-tight, and the setting of printing opacity window 221 is convenient for artifical observation dial plate, has kept the possibility of carrying out the visual reading to the instrument. The surface lid of printing opacity window 221 is equipped with the shading lid 222, and when need not artifical reading, the shading lid 222 is in the state of covering and establishes, with the isolated outside shell structure 2 of ambient light, has avoided the interference of ambient light, relies on the light source 5 in the sealed chamber to give out light in order to illuminate the sealed chamber this moment, is convenient for take photograph of camera 31.

Wherein, the light shielding cover 222 is rotatably connected with the case body to open or close the light transmitting window 221. Specifically, the outer surface of the shell body is convexly provided with two mounting ears which are oppositely arranged, the outer edge of the shading cover 222 is convexly provided with a rotating ear, and the rotating ear is accommodated between the two mounting ears and is rotationally connected with the two mounting ears.

The shell main body comprises a sealing bin and a battery bin 23, the sealing bin is covered on a dial plate of the water meter 200, a light-transmitting window 221 is formed on one side of the sealing bin, the battery bin 23 is arranged on one side of the sealing bin, which is far away from the light-transmitting window 221, and is isolated from the sealing cavity, and a battery is arranged in the battery bin 23 and is used for being electrically connected with the image acquisition assembly 3.

Further, the meter reading device 100 further includes a clip 1, the clip 1 is clamped on a side periphery of the water meter 200, and the housing structure 2 is fixedly connected with the clip 1. The shell structure 2 and the clamp 1 are arranged at intervals, and the base 21 is fixedly connected with the clamp 1 through the connecting piece 4. Wherein the connecting piece 4 comprises a fixing bolt, and the surface of the clamp 1 faces to the water inlet pipe orifice of the water meter 200; the two sides of 202 and the water outlet pipe orifice 203 are provided with connecting holes 13; the shell structure 2 is provided with counter bore and through-hole relative with connecting hole 13, and the counter bore is located the top of through-hole and link up in the through-hole, and the lateral wall of through-hole is provided with the internal thread that matches with fixing bolt, and fixing bolt wears to locate the through-hole and with internal thread spiro union. In the embodiment shown in the drawings, the number of the connecting holes 13 is two, and the connecting holes 13 are adjacently arranged at intervals, however, in different embodiments, the number of the connecting holes 13 can be 1, 3, etc. according to actual needs.

Referring to fig. 2, the clip 1 includes a first clip 11 and a second clip 12, one end of the first clip 11 is rotatably connected with one end of the second clip 12, the other end of the first clip 11 is connected with the other end of the second clip 12 through a fastener, and the first clip 11 and the second clip 12 enclose a clip space for clipping the water meter 200. The first clamp 11 and the second clamp 12 are semi-annular, and are mutually spliced to be clamped at the side periphery of the water meter 200 to form a complete annular clamp.

Specifically, in one embodiment, a flat portion 112 is formed at an end of the first clip 11 rotationally connected to the second clip 12, a recess 122 is formed at an end of the second clip 12 rotationally connected to the first clip 11, a recess depth of the recess 122 is consistent with a thickness of the flat portion 112, and the flat portion 112 is erected on the recess 122 to rotationally connect to the recess 122.

One end of the first clamp 11 and the second clamp 12 are fastened and connected, a bending part is formed, a fixing hole is formed in the bending part, and a fastener penetrates through the fixing hole to connect the first clamp 11 and the second clamp 12, wherein the fastener comprises a bolt. It should be noted that, the first clamp 11 is rotationally connected with one end of the second clamp 12, and the other end is fastened and connected, so that the installation requirements of the water meters 200 with different sizes can be met, when the radial direction of the water meter body 201 is larger, longer fasteners can be used, and when the radial direction of the water meter body 201 is smaller, shorter fasteners can be used, thereby improving the flexibility of the utility model.

It should be noted that, in some embodiments of the present utility model, the structures of the first clip 11 and the second clip 12 may be flexibly changed, for example, two ends of the first clip 11 and the second clip 12 may form a bending portion at the same time, and the bending portion is fastened and connected during the splicing; in other embodiments, the two ends of the first clip 11 are not bent, the two ends of the second clip 12 are recessed to form the recess 122, and the two ends of the first clip 11 are arranged on the recess 122 at the two ends of the second clip 12 for connection. Of course, the structure of the first clip 11 and the structure of the second clip 12 may be interchanged.

The outer edge of the first clamping hoop 11 and/or the outer edge of the second clamping hoop 12 are provided with a limiting structure 14, and the limiting structure 14 is used for being clamped with a convex rib on the outer surface of the water meter 200.

When the traditional mechanical water meter 200 is formed by reverse molding, convex ribs are formed on the outer surface of the water meter 200 and are usually positioned at the water inlet pipe orifice; 202 and the junction of the water outlet 203 with the meter body 201. At least one outer edge of the first clamping hoop 11 and the second clamping hoop 12 is provided with a limiting structure 14, and the limiting structure 14 and the convex ribs are mutually clamped to limit the installation angle of the shell structure 2 and prevent the shell from being deviated or inclined.

The limiting structure 14 includes a first tooth 141 and a second tooth 142 that are disposed along a circumferential direction of the holding space at intervals, the first tooth 141 and the second tooth 142 extend toward an outer surface of the water meter 200, and a holding position for accommodating ribs on the outer surface of the water meter 200 is formed between the first tooth 141 and the second tooth 142.

Wherein, the distance between the first convex tooth 141 and the second convex tooth 142 is the thickness of the convex rib, the first convex tooth 141 and the second convex tooth 142 extend towards the convex rib and are bent, a clamping position is formed between the first convex tooth 141 and the second convex tooth 142, and the convex rib is arranged in the clamping position in a penetrating manner so as to realize the clamping connection of the limiting structure 14.

Of course, the limiting structure 14 is not limited to the manner shown in the above embodiment, and the first clip 11 and the second clip 12 face the water inlet of the water meter 200; two sides of 202 and water outlet 203 can be provided with convex blocks, the convex blocks are provided with clamping holes matched with convex ribs, and the ribs are clamped into the clamping holes to limit the shell structure 2.

Referring to fig. 5, a convex ring 212 is protruding from the bottom wall of the housing structure 2, and the convex ring 212 is configured to be snapped into a groove on the top surface of the water meter 200 to be snapped into the water meter 200, and an area surrounded by the convex ring 212 is formed as a transparent area 211.

In the conventional mechanical water meter 200, the top of the meter body 201 is usually slightly higher than the dial plate by a distance to enclose the dial plate, and thus, a groove is formed between the dial plate top surface and the meter body 201. To facilitate the closing of the base 21, the bottom surface of the base 21 is provided with a convex ring 212, and the convex ring 212 is clamped into a groove on the top surface of the water meter 200 to be clamped with the water meter 200. The area surrounded by the convex ring 212 is formed into a transparent area 211, the transparent area 211 can be formed on the bottom surface of the base 21, and the convex ring 212 is arranged by adopting a transparent glass sheet and protrudes outwards along the peripheral edge of the transparent area 211; or, the transparent area 211 is formed on the bottom surface of the convex ring 212, the base 21 is hollowed out, and the bottom end opening of the convex ring 212 is plugged by a transparent glass sheet.

Further, in order to prevent the water vapor of the surrounding environment from invading the sealing cavity to erode the main control circuit board and the camera 31, the meter reading device 100 is further provided with a sealing ring 213, and the sealing ring 213 is clamped between the base 21 and the dial plate. Specifically, in an embodiment, an annular groove is concavely formed in the bottom surface of the convex ring 212, the annular groove and the convex ring 212 are concentrically arranged, and the sealing ring 213 is embedded in the annular groove, so that the sealing of the sealing ring 213 is realized, and the tightness of the sealing ring 213 is enhanced.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (10)

1. A meter reading device, comprising:

the shell structure is light-proof and covers the dial of the water meter, a sealing cavity is formed in the shell structure, and a transparent area for the dial of the water meter to be exposed is formed in the bottom wall of the sealing cavity;

the image acquisition assembly is arranged in the sealing cavity and is used for being in communication connection with a remote terminal, the image acquisition assembly comprises a camera and a light source, the camera is used for shooting data displayed on a dial of the water meter, and the light source is used for providing light for shooting of the camera.

2. The meter reading device of claim 1, wherein the image acquisition assembly further comprises a control circuit board mounted within the sealed cavity, the camera and the light source being mounted on and electrically connected to the control circuit board.

3. The meter reading device according to claim 2, wherein the control circuit board is mounted on top of the sealed cavity, the camera and the light source are both mounted on a surface of the control circuit board facing the transparent area, and the camera is disposed toward the transparent area.

4. A meter reading device as claimed in claim 3, wherein the camera is located on a central axis of the meter, and the light source is located on a peripheral side of the camera.

5. The meter reading device as claimed in claim 1, wherein the housing structure includes a housing body and a light shielding cover, the housing body covers a dial of the water meter, a light transmission window is formed on one side of the housing body, and the light shielding cover covers the light transmission window.

6. The meter reading device of claim 5, wherein the light shielding cover is rotatably coupled to the housing body to open or close the light transmission window.

7. The meter reading device according to claim 6, wherein two opposite mounting lugs are provided on the outer surface of the housing body, and a rotating lug is provided on the outer edge of the light shielding cover, and the rotating lug is accommodated between the two mounting lugs and is rotatably connected to the two mounting lugs.

8. The meter reading device of claim 5, wherein the housing body comprises a sealed compartment and a battery compartment, the sealed compartment covers a dial of the water meter, the transparent window is formed on one side of the sealed compartment, the battery compartment is arranged on one side of the sealed compartment away from the transparent window and is isolated from the sealed cavity, and a battery is arranged in the battery compartment and is used for being electrically connected with the image acquisition assembly.

9. Meter reading device according to any of the claims 1 to 8, wherein the meter reading device further comprises a clip, which clip is clamped around the circumference of the meter, the housing structure being fixedly connected to the clip.

10. The meter reading device of claim 9, wherein the clamp comprises a first clamp and a second clamp, one end of the first clamp is rotatably connected with one end of the second clamp, the other end of the first clamp is connected with the other end of the second clamp through a fastener, and the first clamp and the second clamp enclose a clamping space for clamping the water meter.