Camera for meter reading

Abstract

The embodiment of the utility model provides a camera for reading a meter, which comprises a shell and a camera shooting assembly, an accommodating space is arranged in the shell, and a camera shooting window is arranged on the shell wall of the shell; the camera component is arranged in the accommodating space; the camera shooting assembly comprises a main board, a camera and a lens base, the lens base is provided with a loading clamping groove, the groove wall of the loading clamping groove is provided with at least one protruding buckle, the camera is arranged in the loading clamping groove, and the at least one protruding buckle detachably clamps the camera in the loading clamping groove. A lens of the camera shooting end of the camera faces the camera shooting window, images are collected outwards through the camera shooting window, and the camera is electrically connected with the mainboard. According to the scheme, the camera and the lens base are connected in a detachable clamping manner, so that the camera for reading meters is more convenient to assemble, and the production efficiency of the camera for reading meters can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic equipment, in particular to a camera for reading a meter. Background Art

[0002] Meter reading cameras are intelligent devices used to quickly and accurately read and record instrument dial data. They are widely used in meter reading, metering and monitoring. Their working principle is to extract digital information from the instrument dial by pointing the camera at the instrument dial and using image processing algorithms.

[0003] The housing of the meter reading camera is provided with a lens base, and the camera and the lens base are usually connected by threads. There are threaded holes on the lens base, and there are corresponding threaded posts on the bottom of the camera. The camera can be mounted on the lens base by inserting the threaded posts into the threaded holes and rotating the camera. However, this mounting structure requires complex thread processing on the camera and the lens base, resulting in high processing costs. In addition, the use of screwing to install the camera is also time-consuming, which reduces the assembly efficiency of the meter reading camera. Utility Model Content

[0004] The purpose of the embodiment of the utility model is to provide a camera for reading a meter, so as to improve the assembly efficiency of the camera for reading a meter. The specific technical solution is as follows:

[0005] The utility model provides a camera for reading a meter, comprising:

[0006] A housing is provided with a receiving space, and a wall of the housing is provided with a camera window;

[0007] A camera assembly is arranged in the accommodation space; wherein,

[0008] The camera assembly includes: a main board, a camera and a lens base, the lens base has a loading slot, the slot wall of the loading slot is provided with at least one protruding buckle, the camera is arranged in the loading slot, the at least one protruding buckle detachably holds the camera in the loading slot, the lens of the camera end faces the camera window, and images are collected externally through the camera window, and the camera is electrically connected to the main board.

[0009] Optionally, the slot wall of the loading slot includes a first slot wall, a second slot wall and a third slot wall, the first slot wall and the third slot wall are opposite to each other, and the first slot wall, the second slot wall and the third slot wall are connected in sequence to form a loading slot with an opening on one side of the slot wall.

[0010] Optionally, at least one protruding buckle includes a first buckle and a second buckle, the first buckle is arranged on the first groove wall, and the second buckle is arranged on the second groove wall.

[0011] Optionally, the lens base is made of at least one of silicone, rubber, and elastic plastic.

[0012] Optionally, the bottom of the loading card slot faces the camera window, an image acquisition port is provided at the bottom of the loading card slot, and at least two legs are provided in the slot direction of the loading card slot opposite to the bottom of the slot;

[0013] The camera end of the camera extends into the loading card slot, the periphery of the camera end contacts the bottom of the slot, the lens at the center of the camera end faces the image acquisition port, so that the lens acquires images externally through the camera window, and at least one protruding buckle holds the bottom end of the camera, and the bottom end of the camera is the opposite end of the camera end;

[0014] The mainboard is provided with at least two mounting holes, and the at least two legs of the loading card slot are plugged into the at least two mounting holes of the mainboard in a one-to-one correspondence.

[0015] Optionally, the support leg includes an insertion rod and an elastic clamping ring arranged on the outer wall of the insertion rod;

[0016] The insertion rod is inserted into the installation insertion hole, and the mainboard is clamped between the slot top of the loading slot and the elastic clamping ring.

[0017] Optionally, the distance between the slot surface of the loading slot opposite to the slot bottom and the elastic snap ring is the thickness of the main board;

[0018] The corner of the elastic snap ring facing away from the groove bottom is provided with a first loading chamfer.

[0019] Optionally, the support leg is interference fit with the mounting socket.

[0020] Optionally, in a direction away from the loading slot, the legs are sequentially connected to include: a first leg segment, a second leg segment, and a third leg segment, the diameter of the third leg segment is smaller than the diameter of the mounting hole, the diameter of the first leg segment is larger than the diameter of the mounting hole, and in a direction away from the loading slot, the diameter of the second leg segment gradually changes from the diameter of the first leg segment to the diameter of the third leg segment;

[0021] The first leg section is inserted into and interference-connected with the mounting socket.

[0022] Optionally, the support legs are made of at least one of silicone, rubber, and elastic plastic.

[0023] Optionally, a second loading chamfer is provided at a corner of the raised buckle facing away from the groove bottom.

[0024] Optionally, a flexible filling material is filled between the mainboard and the bottom end of the camera.

[0025] Optionally, the flexible filling material is a conductive material, and the conductive material is electrically connected to the ground terminal of the mainboard and the metal shell at the bottom of the camera respectively.

[0026] Optionally, the conductive material is conductive foam.

[0027] Optionally, the camera assembly further includes: a fill light component;

[0028] The shell wall of the shell is provided with a fill light window, the fill light of the fill light component faces the fill light window, and fill light is emitted to the outside through the fill light window; wherein,

[0029] The camera window is a polarization window, or the camera window and the fill light window are polarization windows with orthogonal or acute polarization angles.

[0030] Optionally, the camera window includes: a first glass and a first polarizing film attached to the first glass, and the first glass is arranged at a first opening of the shell wall of the housing;

[0031] The fill light window comprises: a second glass and a second polarizing film attached to the second glass, wherein the second glass is arranged at the second opening of the shell wall of the outer shell;

[0032] The polarization angles of the first polarizing film and the second polarizing film are orthogonal.

[0033] Optionally, the camera assembly further includes: a camera reset circuit, and the camera reset circuit is controlled by a magnetic switch.

[0034] Optionally, the magnetic switch includes a normally open first magnetic switch and a normally open second magnetic switch connected in parallel to the camera reset circuit.

[0035] Optionally, the first magnetic switch includes a Hall switch, and the second magnetic switch includes a reed switch.

[0036] Optionally, also include:

[0037] A wireless communication component is disposed in the accommodation space, and the wireless communication component is electrically connected to the mainboard;

[0038] The shell is a plastic shell.

[0039] Optionally, also include:

[0040] A battery, for supplying power to the camera assembly and the wireless communication assembly;

[0041] The housing comprises a front shell and a rear shell, and the front shell and the rear shell are buckled together to form the sealed accommodation space.

[0042] Optionally, the mainboard is connected to the internal threaded column of the inner wall of the shell by bolts, the lens base is arranged on the mainboard, and the camera is electrically connected to the mainboard through a flexible circuit board.

[0043] The utility model provides a camera for reading a meter, comprising:

[0044] A plastic shell, wherein a receiving space is provided in the shell, and a camera window is provided on a shell wall of the shell;

[0045] A camera assembly is arranged in the accommodation space; wherein,

[0046] The camera assembly comprises: a mainboard, a camera and a lens base, wherein the lens base has a loading card slot, a slot wall of the loading card slot is provided with at least one protruding buckle, the camera is arranged in the loading card slot, the at least one protruding buckle detachably holds the camera in the loading card slot, the lens of the camera end faces the camera window, and an image is collected externally through the camera window, and the camera is electrically connected to the mainboard;

[0047] The slot wall of the loading slot includes a first slot wall, a second slot wall and a third slot wall, the first slot wall and the third slot wall are opposite to each other, and the first slot wall, the second slot wall and the third slot wall are sequentially connected to form a loading slot with an opening on one side of the slot wall;

[0048] The bottom of the loading card slot faces the camera window, and an image acquisition port is provided at the bottom of the loading card slot. Four legs are provided in the slot direction opposite to the bottom of the loading card slot, and the four legs are respectively provided at the four corners of the loading card slot, wherein two legs are connected to the two ends of the first slot wall, and the other two legs are connected to the two ends of the third slot wall;

[0049] The camera end of the camera extends into the loading card slot, the periphery of the camera end contacts the bottom of the slot, and the lens at the center of the camera end faces the image acquisition port, so that the lens acquires images externally through the camera window;

[0050] The mainboard is provided with four installation sockets, and the four legs of the loading card slot are plugged into the four installation sockets of the mainboard in a one-to-one correspondence.

[0051] Optionally, the bottom of the loading slot extends toward the outside of the first slot wall and the outside of the third slot wall to form an extension portion, and the outer wall of the first slot wall and the outer wall of the third slot wall are respectively provided with reinforcing ribs connected to the corresponding side extension portions.

[0052] The utility model provides a camera for reading a meter, comprising:

[0053] A plastic front shell and a plastic rear shell, the front shell and the rear shell are buckled together to form a receiving space, and a shell wall of the front shell is provided with a camera window and a fill light window;

[0054] A camera assembly is arranged in the accommodation space;

[0055] A wireless communication component is disposed in the accommodation space; wherein,

[0056] The camera assembly comprises: a mainboard, a first circuit board, a camera, a lens base, a fill light and a camera reset circuit, wherein the lens base has a loading card slot, a slot wall of the loading card slot is provided with at least one protruding buckle, the camera is arranged in the loading card slot, the at least one protruding buckle detachably holds the camera in the loading card slot, the lens of the camera end faces the camera window, and an image is collected externally through the camera window, and the camera is electrically connected to the mainboard;

[0057] The wireless communication component includes: a second circuit board and a wireless communication circuit;

[0058] The first circuit board is located on a side of the main board facing the front shell, and the second circuit board is located on a side of the main board facing away from the front shell;

[0059] The fill light and the camera reset circuit are arranged on a side of the first circuit board facing the front shell, the fill light faces the fill light window, and fills light to the outside through the fill light window, and the camera reset circuit is controlled by a magnetic switch;

[0060] The wireless communication circuit is arranged on the second circuit board;

[0061] The first circuit board is electrically connected to the main board via a first plug-in assembly, and the second circuit board is electrically connected to the main board via a second plug-in assembly.

[0062] Optionally, also include:

[0063] A battery, for supplying power to the camera assembly and the wireless communication assembly;

[0064] The first circuit board, the main board and the first circuit board are arranged at the upper part of the accommodation space, and the battery is arranged at the lower part of the accommodation space.

[0065] The camera for meter reading provided by the embodiment of the utility model has a camera assembly arranged in the accommodation space of the shell, and the camera in the camera assembly is detachably mounted on the lens base in the card slot, and the camera is clamped in the loading card slot by at least one protruding buckle arranged on the slot wall of the loading card slot. The lens of the camera end faces the camera window, and the image is collected externally through the camera window, and the camera is electrically connected to the main board. Compared with the camera that adopts threaded screwing in the prior art, the camera and the lens base of this solution are connected by a detachable card mounting method, and in assembling the camera for meter reading, the assembly is more convenient, which can improve the production efficiency of the camera for meter reading.

[0066] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0067] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0068] Figure 1 It is a structural schematic diagram of a camera for meter reading according to an embodiment of the utility model;

[0069] Figure 2 It is a schematic diagram of the exploded structure of the front side perspective of a camera for meter reading according to one embodiment of the utility model;

[0070] Figure 3 It is a schematic diagram of the exploded structure of a camera for reading a meter from a rear side perspective according to an embodiment of the utility model;

[0071] Figure 4 It is a schematic cross-sectional structural diagram of a lens base and a camera after assembly in a camera for meter reading according to an embodiment of the utility model;

[0072] Figure 5 It is a schematic diagram of the forward axonometric structure of a camera head for meter reading according to an embodiment of the utility model;

[0073] Figure 6 It is a schematic diagram of the rearward axonometric structure of a camera for meter reading according to an embodiment of the utility model;

[0074] Figure 7 It is a schematic diagram of the axonometric structure of a first lens base in a camera for meter reading according to an embodiment of the utility model;

[0075] Figure 8 It is a schematic cross-sectional structure diagram of a camera for meter reading according to an embodiment of the utility model after the first lens base and the camera are separated;

[0076] Fig. 9 It is a schematic diagram of the axonometric structure of a camera for meter reading according to an embodiment of the utility model after the first lens base and the camera are separated;

[0077] Fig.10 It is a schematic cross-sectional structural diagram of a first lens base, a camera head and a mainboard after being assembled in a camera for meter reading according to an embodiment of the utility model;

[0078] Fig.11 It is a schematic diagram of the forward axonometric structure of a second lens base in a camera for meter reading according to an embodiment of the utility model;

[0079] Fig.12 It is a schematic diagram of the rearward axonometric structure of a second lens base in a camera for meter reading according to an embodiment of the utility model;

[0080] Fig.13 It is a schematic cross-sectional structural diagram of a second lens base, a camera head and a mainboard after being assembled in a camera for meter reading according to an embodiment of the utility model;

[0081] Fig.14 It is a schematic diagram of the front axonometric structure of the main board, the first circuit board, and the second circuit board in a camera for meter reading according to one embodiment of the utility model after being separated;

[0082] Fig.15 It is a schematic diagram of the rearward axonometric structure of the main board, the first circuit board, and the second circuit board in a camera for meter reading according to one embodiment of the utility model after being separated;

[0083] Fig.16 The utility model is a schematic diagram of a controlled structure of a camera reset circuit for meter reading according to an embodiment of the utility model.

[0084] The reference numerals are as follows:

[0085] Shell 10, front shell 10a, rear shell 10b, camera window 11, fill light window 12, internal thread column 13, main board 20, mounting jack 21, camera 30, camera end 30a, bottom end 30b, flexible circuit board 31, lens base 40, loading slot 41, first slot wall 41a, second slot wall 41b, third slot wall 41c, slot bottom 41d, image acquisition port 41e, reinforcing rib 41f, protruding buckle 42, second loading chamfer 42a, first buckle 421, second buckle 422, support leg 43, first support leg section 434, second support leg section 435, third support leg section 436, insertion rod 431, elastic snap ring 432, first loading chamfer 433, conductive foam 50, fill light component 60, first circuit board 61, fill light 62, camera reset circuit 71, magnetic switch 72, Hall switch 721, reed switch 722, wireless communication component 80, second circuit board 81, wireless communication circuit 82, battery 90.

[0086] A first supporting column 101 , a second supporting column 102 , a first plug-in component 103 , and a second plug-in component 104 . DETAILED DESCRIPTION

[0087] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field based on this application belong to the scope of protection of the utility model.

[0088] In the related technologies of meter reading cameras, a threaded connection is usually used to connect the camera and the lens base. However, this connection method has some problems. First, the structure of the threaded connection is relatively complex and requires precise processing and manufacturing, which leads to high processing costs. Secondly, the assembly process of the threaded connection is relatively cumbersome and requires more time and human resources. This not only increases production costs, but also reduces production efficiency.

[0089] In response to these problems, this solution uses a simpler and more efficient card-mounted connection method to replace the threaded connection. This can simplify the structure, reduce processing costs, and improve assembly efficiency. By adopting a more reasonable and efficient card-mounted connection method for the camera and lens base, the manufacturing efficiency of the meter reading camera can be improved, the production cost can be reduced, and thus better meet market demand.

[0090] Therefore, the utility model proposes a camera for reading a meter.

[0091] Specifically, a camera for reading a meter according to an embodiment of the utility model is described below with reference to the accompanying drawings.

[0092] Figure 1 is a schematic structural diagram of a camera for meter reading according to an embodiment of the utility model, Figure 2 It is a schematic diagram of the exploded structure of the front side view of a camera for reading a meter according to an embodiment of the utility model. Figure 3 It is a schematic diagram of the exploded structure of the camera for meter reading from the rear side according to one embodiment of the utility model. Figure 4 The utility model is a schematic cross-sectional structure diagram of a lens base and a camera after assembly in a camera for meter reading according to an embodiment of the utility model.

[0093] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the camera for reading a meter comprises: a housing 10 and a camera assembly.

[0094] The housing 10 is provided with a storage space, and the housing wall of the housing 10 is provided with a camera window 11. The camera assembly is provided in the storage space. The camera assembly includes: a main board 20, a camera 30 and a lens base 40, the lens base 40 has a loading slot 41, the slot wall of the loading slot 41 is provided with at least one protruding buckle 42, the camera 30 is provided in the loading slot 41, and the at least one protruding buckle 42 detachably holds the camera 30 in the loading slot 41, the lens of the camera end 30a of the camera 30 faces the camera window 11, and the camera 30 collects images externally through the camera window 11, and the camera 30 is electrically connected to the main board 20.

[0095] In the technical solution provided by the embodiment of the present solution, a camera for reading a meter is provided with a camera assembly in the accommodation space of the housing 10, and the camera 30 in the camera assembly is detachably mounted in the card slot of the lens base 40, and the camera 30 is clamped in the loading card slot 41 by at least one protruding buckle 42 provided on the slot wall of the loading card slot 41. The lens of the camera end 30a of the camera 30 faces the camera window 11, and the image is collected externally through the camera window 11. The camera 30 is electrically connected to the main board 20. Compared with the camera 30 screwed in the prior art, the camera 30 and the lens base 40 of the present solution are connected in a detachable card-mounting manner, which is more convenient in assembling the camera for reading a meter, and can improve the production efficiency of the camera for reading a meter.

[0096] The shell 10 may be made of non-metallic material, which can reduce production costs compared to the shell 10 made of metallic material. For example, the shell 10 is a plastic shell 10.

[0097] like Figure 2 and Figure 3 As shown, the housing 10 may include a front housing 10a and a rear housing 10b, the front housing 10a and the rear housing 10b are buckled together to form the accommodation space, and the camera window 11 may be disposed on the front housing 10a. The front housing 10a and the rear housing 10b may both be made of plastic material.

[0098] In the specific implementation, Figure 3 As shown, the inner wall of the housing 10 may be provided with an internal thread column 13, and the main board 20 is provided with a through hole, and the bolt passes through the through hole on the main board 20 and is connected with the internal thread column 13, so that the main board 20 is connected to the internal thread column 13 on the inner wall of the housing 10 by the bolt, and the lens base 40 is provided on the main board 20. It is easy to understand that the number of the bolts and the internal thread column 13 connecting the main board 20 and the housing 10 can be multiple, so that the lens base 40 and the main board 20 can be fixed in the accommodation space.

[0099] The camera 30 is used to capture an image sequence that at least includes a portion of the instrument. Figure 5 1 is a schematic diagram of the forward axonometric structure of a camera head 30 for meter reading according to an embodiment of the utility model. Figure 6 3 is a schematic diagram of the rearward axonometric structure of a camera head 30 for meter reading according to an embodiment of the utility model, as shown in FIG. Figure 5 and Figure 6 As shown, specifically, the camera 30 can be electrically connected to the main board 20 through a flexible circuit board 31, and the main board 20 performs image analysis on the image sequence collected by the camera 30 to extract digital information of the instrument dial. The shape of the camera 30 can be a rectangular structure, and correspondingly, the shape of the loading slot 41 can match the shape of the camera 30, that is, a rectangular slot.

[0100] In practice, in order to facilitate loading the camera 30 into the loading slot 41, the lens base 40 can be made of an elastic material. For example, the lens base 40 is made of at least one of silicone, rubber, and elastic plastic. When loading the camera 30, an external force can be applied to the loading slot 41 to expand the slot size of the loading slot 41, so that the camera 30 can be easily loaded into the loading slot 41.

[0101] The loading card slot 41 may be surrounded by slot walls. When assembling the camera 30 , the slot opening of the loading card slot 41 is not easy to expand, so it is difficult to assemble the camera 30 . Figure 7 FIG. 4 is a schematic diagram of an axonometric structure of a first lens base 40 in a camera for meter reading according to an embodiment of the utility model. Figure 7As shown, in the embodiment of the present scheme, the slot wall of the loading slot 41 includes a first slot wall 41a, a second slot wall 41b and a third slot wall 41c, the first slot wall 41a and the third slot wall 41c are opposite, the first slot wall 41a, the second slot wall 41b and the third slot wall 41c are sequentially connected to form a loading slot 41 with a slot wall opening on one side, and in the slot opening of the expanded loading slot 41, due to the opening of the side wall of the loading slot 41, the opening size is conveniently and labor-savingly expanded. The assembler can conveniently load the camera 30 into the loading slot 41 from the side of the side wall opening.

[0102] like Figure 4 As shown, at least one protruding buckle 42 includes a first buckle 421 and a second buckle 422, wherein the first buckle 421 is disposed on the first slot wall 41a, and the second buckle 422 is disposed on the second slot wall 41b. After the camera 30 is installed in the loading slot 41, the first buckle 421 and the second buckle 422 are respectively held by the camera 30 to prevent the camera 30 from escaping from the loading slot 41.

[0103] Usually, the lens base 40 can be fixed to the main board 20 by bolts, which is a relatively complicated fixing method. In this solution, the lens base 40 and the main board 20 can be easily assembled by plugging. Figure 8 1 is a schematic cross-sectional view of a camera for meter reading according to an embodiment of the present utility model after the first lens base 40 and the camera 30 are separated. Fig. 9 This is a schematic diagram of the isometric structure of a camera for reading a meter according to an embodiment of the present utility model after the first lens base 40 and the camera 30 are separated. Fig.10 FIG. 1 is a cross-sectional structural diagram of a first lens base 40, a camera 30 and a main board 20 assembled in a camera for meter reading according to an embodiment of the utility model, as shown in FIG. Figure 7 , Figure 8 , Fig. 9 and Fig.10As shown, the bottom 41d of the loading slot 41 faces the camera window 11, and the bottom 41d of the loading slot 41 is provided with an image acquisition port 41e. At least two legs 43 are provided in the slot direction of the loading slot 41 opposite to the bottom 41d. The camera end 30a of the camera 30 extends into the loading slot 41, and the surrounding of the camera end 30a of the camera 30 contacts the bottom 41d. The lens at the center of the camera end 30a of the camera 30 faces the image acquisition port 41e, so that the lens can collect images externally through the camera window 11. At least one protruding buckle 42 holds the bottom 30b of the camera 30, and the bottom 30b of the camera 30 is the opposite end of the camera end 30a of the camera 30. The main board 20 is provided with at least two mounting sockets 21, and the at least two legs 43 of the loading slot 41 are plugged into the at least two mounting sockets 21 of the main board 20 in a one-to-one correspondence.

[0104] like Fig. 9 As shown, in order to ensure that the first buckle 421 and the second buckle 422 exert sufficient clamping force on the camera 30, the bottom 41d of the loading slot 41 extends to the outside of the first slot wall 41a and the outside of the third slot wall 41c to form an extension portion, and the outer wall of the first slot wall 41a and the outer wall of the third slot wall 41c are respectively provided with reinforcing ribs 41f connected to the corresponding side extension portions, and the reinforcing ribs 41f can be one or more. The reinforcing ribs 41f can be triangular or rectangular reinforcing ribs 41f. On the one hand, the reinforcing ribs 41f can improve the strength of the first slot wall 41a and the second slot wall 41b, and on the other hand, thinner first slot walls 41a and second slot walls 41b can be achieved, thereby reducing the weight of the lens base 40.

[0105] When the lens base 40 is assembled on the mainboard 20, the plug connection can be formed by simply inserting the support leg 43 into the mounting socket 21 of the mainboard 20. The loading slot 41 can be a rectangular slot, and there can be four support legs 43, which are respectively located at the four corners of the rectangular slot.

[0106] Specifically, four legs 43 are respectively arranged at the four corners of the loading slot 41, wherein two legs 43 are connected to the two ends of the first slot wall 41a, and the other two legs 43 are connected to the two ends of the third slot wall 41c. The mainboard 20 is provided with four mounting holes 21, and the four legs 43 of the loading slot 41 are plugged into the four mounting holes 21 of the mainboard 20 one by one, wherein the two legs 43 located on one side of the slot wall opening of the loading slot 41 can be firmly limited on one side of the slot wall opening of the loading slot 41 by being plugged into the two mounting holes 21 of the mainboard 20, thereby limiting the opening of one side of the slot wall opening of the loading slot 41, thereby firmly mounting the camera 30 in the loading slot 41 with one side opening.

[0107] like Figures 7 to 10 As shown, in order to make the support leg 43 firmly inserted into the mounting socket 21, in the first lens base 40 of an embodiment of the utility model, an elastic snap ring 432 can be used to limit the support leg 43 and the main board 20. Specifically, the support leg 43 includes an insertion rod 431 and an elastic snap ring 432 arranged on the outer wall of the insertion rod 431, the insertion rod 431 is inserted into the mounting socket 21, and the main board 20 is clamped between the slot top of the loading slot 41 and the elastic snap ring 432. The specific installation process of the support leg 43 can be: insert the end of the insertion rod 431 into the mounting socket 21, and push the insertion rod 431, so that the elastic snap ring 432 is compressed and deformed at the mounting socket 21 under the thrust, and then passes through the mounting socket 21. The elastic snap ring 432 passing through the mounting socket 21 can restore its original size under the elastic force, thereby preventing the insertion rod 431 from falling out of the mounting socket 21. Specifically, the distance between the slot surface of the loading slot 41 and the slot bottom 41 d and the elastic snap ring 432 may be the thickness of the main board 20 , so that the main board 20 can be clamped between the slot surface of the loading slot 41 and the elastic snap ring 432 .

[0108] Furthermore, in order to facilitate installation and improve the installation efficiency of the lens base 40 and the main board 20, a first loading chamfer 433 is provided at the corner of the elastic retaining ring 432 facing away from the groove bottom 41d. In the process of the elastic retaining ring 432 passing through the mounting socket 21, the first loading chamfer 433 can play a guiding role, and the process of inserting the support leg 43 into the mounting socket 21 is more labor-saving and quick.

[0109] Fig.11 1 is a schematic diagram of the forward axonometric structure of a second lens base 40 in a camera for reading a meter according to an embodiment of the utility model. Fig.12 1 is a schematic diagram of the rearward axonometric structure of a second lens base 40 in a camera for reading a meter according to an embodiment of the utility model. Fig.13 FIG. 1 is a cross-sectional structural diagram of a second lens base 40, a camera 30 and a main board 20 assembled in a camera for reading a meter according to an embodiment of the utility model, as shown in FIG. Fig.11 , Fig.12 and Fig.13 As shown, in addition to the first lens base 40 of the above embodiment, in another embodiment of the present invention, the support leg 43 and the main board 20 can be limited by interference fit. Specifically, the support leg 43 is interference-connected with the mounting socket 21, that is, the diameter of the support leg 43 is larger than the diameter of the mounting socket 21, and after the support leg 43 is inserted into the mounting socket 21, a stable connection can be achieved between the support leg 43 and the main board 20.

[0110] like Fig.11 , Fig.12 and Fig.13 As shown, further, in order to facilitate installation and improve the installation efficiency of the lens base 40 and the main board 20, in the direction away from the loading slot 41, the support leg 43 is sequentially connected to include: a first support leg section 434, a second support leg section 435 and a third support leg section 436, the diameter of the third support leg section 436 is smaller than the diameter of the installation socket 21, the diameter of the first support leg section 434 is larger than the diameter of the installation socket 21, and in the direction away from the loading slot 41, the diameter of the second support leg section 435 gradually changes from the diameter of the first support leg section 434 to the diameter of the third support leg section 436. The first support leg section 434 is inserted into and interference-connected with the installation socket 21. When the support leg 43 passes through the mounting hole 21, the third support leg segment 436 having a smaller diameter than the mounting hole 21 is first inserted into the mounting hole 21, and then the first support leg segment 434 is inserted into the mounting hole 21 through the guidance of the second support leg segment 435, forming an interference fit with the mounting hole 21.

[0111] like Fig.13 As shown, specifically, the slot surface of the loading slot 41 opposite to the slot bottom 41d can interfere with the mainboard 20, thereby facilitating the judgment of the insertion depth of the support leg 43 during the installation process (until the support leg 43 can no longer be inserted into the installation socket 21).

[0112] Among them, the entire material of the support feet 43 of the first lens base 40 and the support feet 43 of the second lens base 40 can be made of elastic materials. Specifically, the support feet 43 are made of at least one material selected from silicone, rubber, and elastic plastic.

[0113] It is easy to understand that in practice, in order to facilitate processing, the first lens base 40 and the second lens base 40 can both be an integrally molded lens base 40, such as an integrally molded silicone lens base 40.

[0114] like Figure 4 As shown, in addition, in order to facilitate the loading of the camera 30 and the lens base 40, a second loading chamfer 42a is provided at the corner of the protruding buckle 42 facing away from the groove bottom 41d. During the loading of the camera 30, under the guidance of the second loading chamfer 42a, the camera 30 can be easily loaded into the loading slot 41. The protruding buckle 42 is clamped by the end surface of the groove bottom 41d and the end surface of the bottom end 30b of the camera 30.

[0115] like Fig.10As shown, in this solution, the camera 30 and the lens base 40 are snap-connected. In order to further improve the snap-connection stability between the camera 30 and the lens base 40, a flexible filling material is filled between the main board 20 and the bottom end 30b of the camera 30. The camera 30 can be compacted by the flexible filling material and loaded into the loading slot 41, which further improves the loading stability of the camera 30.

[0116] In specific operation, the camera 30 is susceptible to external electromagnetic interference (such as electromagnetic signal interference generated by the working process of the mainboard 20), resulting in a decrease in the quality of image acquisition. In this solution, the flexible filling material is a conductive material, which is electrically connected to the ground terminal of the mainboard 20 and the metal shell of the bottom end 30b of the camera 30, respectively, to form a lap between the ground of the camera 30 and the mainboard 20, and to form an electromagnetic shielding for one side of the bottom end 30b of the camera 30. Specifically, the conductive material can be a conductive foam 50 or a conductive rubber or other material.

[0117] Fig.14 This is a schematic diagram of the front axonometric structure of the main board 20, the first circuit board 61, and the second circuit board 81 of a camera for reading a meter according to an embodiment of the utility model after being disassembled. Fig.15 1 is a schematic diagram of the rearward isometric structure of the main board 20, the first circuit board 61, and the second circuit board 81 of a camera for reading a meter according to an embodiment of the utility model after being disassembled. Figure 1 , Figure 2 , Fig.14 and Fig.15 As shown, in a specific implementation, the camera assembly further includes a fill light component 60. A fill light window 12 is provided on the shell wall of the housing 10, and a fill light 62 of the fill light component 60 faces the fill light window 12 to provide external fill light through the fill light window 12.

[0118] In conventional technology, other ambient stray light shines on the dial to form a light spot, which is easy to affect the image of the camera. In this solution, the camera window 11 can be a polarization window, which can effectively filter out some unnecessary reflected light or scattered light, thereby reducing or eliminating light spots and reflections, making the image captured by the camera 30 clearer.

[0119] Further, such as Figure 1As shown, the camera window 11 and the fill light window 12 are polarization windows with orthogonal or acute polarization angles, which can effectively reduce the effect of the fill light 62 irradiating the dial to form a light spot on the camera 30 to collect images. In the implementation, the camera window 11 includes: a first glass and a first polarization film attached to the first glass, and the first glass is arranged at the first opening of the shell wall of the shell 10. Specifically, the first glass can be fixed to the first opening of the shell wall of the shell 10 by glue. The fill light window 12 includes: a second glass and a second polarization film attached to the second glass, and the second glass is arranged at the second opening of the shell wall of the shell 10. Specifically, the second glass can be fixed to the first opening of the shell wall of the shell 10 by glue. The polarization angles of the first polarization film and the second polarization film are orthogonal. Specifically, the first polarization film and the second polarization film can be arranged on one side of the first glass and the second glass inside the shell 10 respectively to prevent scratches from the outside, but is not limited to this.

[0120] like Fig.14 and Fig.15 As shown, specifically, the fill light component 60 may include: a first circuit board 61 and a fill light 62, and the fill light 62 is arranged on the first circuit board 61. The first circuit board 61 is located on the side of the main board 20 facing the front shell 10a, and the fill light 62 is arranged on the side of the first circuit board 61 facing the front shell 10a, and the fill light 62 faces the fill light window 12, and fills light to the outside through the fill light window 12. The first circuit board 61 is electrically connected to the main board 20 through the first plug-in component 103.

[0121] The first plug-in component 103 includes a first electrical connector arranged on the main board 20 and a second electrical connector arranged on the first circuit board 61. The first electrical connector and the second electrical connector are detachably electrically connected to realize the electrical connection among the fill light 62, the main board 20 and the camera 30.

[0122] Specifically, the lens base 40 can be disposed on the upper part of the main board 20, and the first circuit board 61 is connected to the lower part of the main board 20 through at least two first support columns 101. For example, one end of the first support column 101 is fixed to the first circuit board 61, and the other end of the first support column 101 has an internal thread, and the internal thread of the other end of the first support column 101 is locked by a bolt penetrating the main board 20, so as to realize the interval connection and fixation between the main board 20 and the first circuit board 61.

[0123] Correspondingly, the camera window 11 and the fill light window 12 are arranged at the upper and lower parts of the housing 10 .

[0124] In the camera used for meter reading, a reset function is usually required. A reset button is provided on the housing 10 of the camera used for meter reading. By pressing the reset button, the user can restore the camera used for meter reading to the initial state or default setting. Its function is to reset various parameters and functions of the camera to return it to the factory settings or preset state. For example, various parameters of the camera (such as exposure, focus, white balance, etc.) can be restored to the default values, and user-defined settings can be cleared, etc., to facilitate user use. It is precisely because of the setting of the reset button on the housing 10 that a separate reset button opening needs to be provided on the housing 10, which makes the integrity and waterproofness of the camera low.

[0125] Fig.16 FIG. 7 is a schematic diagram of a controlled structure of a camera reset circuit 71 for meter reading according to an embodiment of the utility model. Fig.14 , Fig.15 and Fig.16 As shown, in the implementation of this solution, the camera assembly also includes: a camera reset circuit 71, and the camera reset circuit 71 is controlled by a magnetic switch 72. Specifically, the camera reset circuit 71 can be used to restore the meter reading camera to the factory settings. The user can approach the housing 10 through the magnetic control on the outside of the housing 10, and control the closing of the magnetic switch 72 inside the housing 10 from the outside of the housing 10 through the magnetic field of the magnetic control to achieve control of the camera reset circuit 71. In this solution, the camera reset circuit 71 is controlled by the magnetic switch 72, which can avoid opening a reset button opening on the housing 10, so that the integrity and waterproofness of the camera are higher.

[0126] In order to improve the stability of the reset function, the magnetic switch 72 includes a first magnetic switch 72 and a second magnetic switch 72 which are normally open and connected in parallel to the camera reset circuit 71. On the one hand, when any one of the first magnetic switch 72 and the second magnetic switch 72 is damaged, the camera reset circuit 71 of the camera can also be reset by the other one which is normal. On the other hand, the first magnetic switch 72 and the second magnetic switch 72 can be set at different positions in the housing 10, which can facilitate the user to approach different positions of the housing 10 to realize magnetic control of the first magnetic switch 72 or the second magnetic switch 72, and the multi-point control method is more convenient.

[0127] Specifically, the first magnetic switch 72 includes a Hall switch 721, and the second magnetic switch 72 includes a reed switch 722. The leakage current of the reed switch 722 after closing is smaller than that of the Hall switch 721, and the power consumption is lower. The Hall switch 721 can detect magnetic fields in multiple directions. The combination of the two has a better comprehensive effect of energy saving and multi-directional magnetic control than two Hall switches 721 or two reed switches 722.

[0128] In practice, the camera reset circuit 71 and the magnetic switch 72 are arranged on the side of the first circuit board 61 facing the front shell 10a, and the camera reset circuit 71 and the magnetic switch 72 are electrically connected to the mainboard 20, the camera reset circuit 71 and the magnetic switch 72 through the first plug-in component 103. The magnetic switch 72 faces the side of the front shell 10a, so that the user can close the magnetic switch 72 on the side of the front shell 10a through the magnetic field of the magnetic control.

[0129] The camera for meter reading in this embodiment also has wireless communication capability. At the same time, for the integrity and waterproofness of the camera, the camera for meter reading also includes: a wireless communication component 80, the wireless communication component 80 is arranged in the accommodating space, and the wireless communication component 80 is electrically connected to the main board 20. The housing 10 is a plastic housing 10. The wireless communication component 80 can transmit data wirelessly to the outside through the plastic housing 10. In this solution, a built-in wireless communication component 80 is used. Compared with an external antenna, there is no need to open an antenna hole on the housing 10, thereby improving the integrity and waterproofness of the camera. The wireless communication component 80 can use a 4G wireless communication component or a WiFi wireless communication component.

[0130] like Fig.14 and Fig.15 As shown, specifically, the wireless communication component 80 includes: a second circuit board 81 and a wireless communication circuit 82, the wireless communication circuit 82 is arranged on the second circuit board 81, and the second circuit board 81 is electrically connected to the main board 20 through the second plug-in component 104, so as to realize the electrical connection between the wireless communication circuit 82 and the main board 20. The second circuit board 81 can be located on the side of the main board 20 facing away from the front shell 10a, and the second circuit board 81 and the main board 20 are supported and connected by at least two second support columns 102. For example, the first end of the second support column 102 has an internal thread, and the bolt passing through the second main board 20 and the first end of the second support column 102 have an internal thread locking. The second end of the second support column 102 has an external thread column, and the diameter of the external thread column is smaller than the diameter of the rod body of the second support column 102. The external thread column at the second end of the second support column 102 passes through the through hole on the main board 20 and is threadedly connected with the internal thread column 13 provided on the inner wall of the shell 10, and the main board 20 is clamped between the internal thread column 13 provided on the inner wall of the shell 10 and the end of the rod body of the second support column 102.

[0131] The mainboard 20 can be used to identify pointer or digital data of the instrument image sequence captured by the camera 30, and send the identified data to a remote device through the wireless communication component 80.

[0132] like Figure 2 and Figure 3As shown, further, the camera for reading the meter also includes: a battery 90, and the battery 90 supplies power to the camera assembly and the wireless communication assembly 80. The front shell 10a and the rear shell 10b are buckled together to form a sealed accommodation space. In the embodiment of this scheme, there is no need to open a power cord opening on the outer shell 10, and the power is supplied by the internal battery 90, thereby further improving the integrity and waterproofness of the camera. Among them, the main board 20, the first circuit board 61, and the second circuit board 81 can be arranged in the upper part of the accommodation space, and the battery 90 can be arranged in the lower part of the accommodation space.

[0133] The camera for reading a meter provided in an embodiment of the present invention has the following assembly steps:

[0134] Step 1: Install the camera window 11 and the fill light window 12 on the front housing;

[0135] Step 2: Install the battery 90 in the front housing;

[0136] Step 3, mount the lens 30 in the loading slot 41 of the lens base 40, then set the conductive foam 50 at the bottom end 30b of the lens 30, and then mount the support leg 43 of the lens base 40 to the mounting socket 21 of the main board 20;

[0137] Step 4: Install the first circuit board 61 on the main board 20 through the first support column 101;

[0138] Step 5, fix the mainboard 20 to the internal threaded column 13 of the front shell 10a through the external threaded column at the second end of the second support column 102;

[0139] Step 6: Fix the second circuit board 81 to the second support column 102 with internal threads at the first end by means of bolts;

[0140] Step 7: Fasten the front shell 10a and the rear shell 10b.

[0141] Compared with the prior art, the camera for meter reading provided by the embodiment of the present solution has at least one of the following advantages:

[0142] 1. The embodiment of this solution is powered by a built-in large-capacity battery, and there is no need to open a hole in the shell for the external power line, which improves the integrity and sealing, avoids the risk of water leakage and fogging caused by poor glue dispensing, and has better waterproof performance. At the same time, it reduces the complexity of installation and wiring.

[0143] 2. The embodiment of this scheme adopts a magnetically controlled switch to control the reset, and there is no external reset button. Therefore, there is no need to open a reset button opening in the shell, which improves the integrity and sealing, avoids the risk of water leakage and fogging caused by poor glue dispensing, and has better waterproof performance.

[0144] 3. The embodiment of this solution adopts a low-cost all-plastic shell, which can reduce the manufacturing cost.

[0145] 4. In the embodiment of the present scheme, the lens base of the lens adopts a card-mounted connection method, and the lens base and the main board are fixed by an elastic snap ring or interference fit, avoiding the use of screw fixing connection method, thereby improving production efficiency.

[0146] Based on the same technical concept, such as Figures 1 to 9 As shown, an embodiment of the utility model provides a camera for reading a meter, comprising:

[0147] A plastic housing 10, wherein a receiving space is provided in the housing 10, and a camera window 11 is provided on a housing wall of the housing 10;

[0148] A camera assembly is arranged in the accommodation space; wherein,

[0149] The camera assembly includes: a main board 20, a camera head 30 and a lens base 40, wherein the lens base 40 has a loading slot 41, and the slot wall of the loading slot 41 is provided with at least one protruding buckle 42, the camera head 30 is arranged in the loading slot 41, and the at least one protruding buckle 42 detachably holds the camera head 30 in the loading slot 41, and the lens of the camera end 30a of the camera head 30 faces the camera window 11, and collects images externally through the camera window 11, and the camera head 30 is electrically connected to the main board 20;

[0150] The slot wall of the loading slot 41 includes a first slot wall 41a, a second slot wall 41b and a third slot wall 41c, wherein the first slot wall 41a and the third slot wall 41c are opposite to each other, and the first slot wall 41a, the second slot wall 41b and the third slot wall 41c are sequentially connected to form a loading slot 41 with a slot wall opening on one side;

[0151] The bottom 41d of the loading slot 41 faces the camera window 11, and an image acquisition port 41e is provided at the bottom 41d of the loading slot 41. Four legs 43 are provided in the slot direction of the loading slot 41 opposite to the bottom 41d. The four legs 43 are respectively provided at the four corners of the loading slot 41, wherein two legs 43 are connected to the two ends of the first slot wall 41a, and the other two legs 43 are connected to the two ends of the third slot wall 41c.

[0152] The camera end 30a of the camera 30 extends into the loading card slot 41, and the periphery of the camera end 30a of the camera 30 contacts the bottom 41d of the slot, and the lens at the center of the camera end 30a of the camera 30 faces the image acquisition port 41e, so that the lens can collect images externally through the camera window 11;

[0153] The mainboard 20 is provided with four mounting holes 21 , and the four legs 43 of the loading card slot 41 are plugged into the four mounting holes 21 of the mainboard 20 in a one-to-one correspondence.

[0154] In the technical solution provided by the embodiment of the present solution, the camera for reading the meter, on the one hand, is provided with a camera assembly in the accommodation space of the housing 10, and the camera 30 in the camera assembly is detachably mounted in the card slot of the lens base 40, and the camera 30 is clamped in the loading card slot 41 by at least one protruding buckle 42 provided on the slot wall of the loading card slot 41. The lens of the camera end 30a of the camera 30 faces the camera window 11, and the image is collected externally through the camera window 11, and the camera 30 is electrically connected to the main board 20. Compared with the camera 30 screwed in the prior art, the camera 30 and the lens base 40 of the present solution are connected in a detachable card-mounting manner, and in the assembly of the camera for reading the meter, the assembly is more convenient, and the production efficiency of the camera for reading the meter can be improved. On the other hand, in the notch of the expanded loading card slot 41, since the side wall of one side of the loading card slot 41 is opened, the opening size is conveniently and labor-savingly expanded. The assembler can conveniently load the camera 30 into the loading card slot 41 from one side of the side wall opening. At the same time, after the lens base 40 is installed on the main board 20, the two legs 43 located on one side of the opening of the slot wall of the loading slot 41 are plugged into the two mounting holes 21 of the main board 20, so that the opening of the slot wall of the loading slot 41 can be firmly limited, limiting the opening of the slot wall of the loading slot 41, thereby firmly clamping the camera 30 in the loading slot 41 with one side opening.

[0155] Based on the same technical concept, such as 1, Figure 2 , Figure 3 , Figure 4 , Fig.14 , Fig.15 and Fig.16 A camera for reading a meter provided by an embodiment of the utility model includes:

[0156] A plastic front shell 10a and a plastic rear shell 10b, wherein the front shell 10a and the rear shell 10b are buckled together to form a receiving space, and a camera window 11 and a fill light window 12 are provided on the shell wall of the front shell 10a;

[0157] A camera assembly is arranged in the accommodation space;

[0158] The wireless communication component 80 is disposed in the accommodation space; wherein,

[0159] The camera assembly includes: a main board 20, a first circuit board 61, a camera 30, a lens base 40, a fill light 62, a camera reset circuit 71 and a magnetic switch 72, wherein the lens base 40 has a loading slot 41, and the slot wall of the loading slot 41 is provided with at least one protruding buckle 42, the camera 30 is arranged in the loading slot 41, and the at least one protruding buckle 42 detachably holds the camera 30 in the loading slot 41, the lens of the camera end 30a of the camera 30 faces the camera window 11, and the camera 30 collects images externally through the camera window 11, and the camera 30 is electrically connected to the main board 20;

[0160] The wireless communication component 80 includes: a second circuit board 81 and a wireless communication circuit 82;

[0161] The first circuit board 61 is located on a side of the main board 20 facing the front shell 10a, and the second circuit board 81 is located on a side of the main board 20 facing away from the front shell 10a;

[0162] The fill light 62, the camera reset circuit 71 and the magnetic switch 72 are arranged on a side of the first circuit board 61 facing the front housing 10a. The fill light 62 faces the fill light window 12 and provides external fill light through the fill light window 12. The camera reset circuit 71 is controlled by the magnetic switch 72.

[0163] The wireless communication circuit 82 is arranged on the second circuit board 81;

[0164] The first circuit board 61 is electrically connected to the main board 20 via a first plug-in component 103 , and the second circuit board 81 is electrically connected to the main board 20 via a second plug-in component 104 .

[0165] In the technical solution provided by the embodiment of the present solution, the camera for reading the meter, on the one hand, is provided with a camera assembly in the accommodation space of the housing 10, and the camera 30 in the camera assembly is detachably mounted in the card slot of the lens base 40, and the camera 30 is clamped in the loading card slot 41 by at least one protruding buckle 42 provided on the slot wall of the loading card slot 41. The lens of the camera end 30a of the camera 30 faces the camera window 11, and the image is collected externally through the camera window 11, and the camera 30 is electrically connected to the main board 20. Compared with the camera 30 screwed in the prior art, the camera 30 and the lens base 40 of the present solution are connected in a detachable card-mounting manner, and in assembling the camera for reading the meter, the assembly is more convenient, and the production efficiency of the camera for reading the meter can be improved. On the other hand, the user can approach the housing 10 through the magnetic control on the outside of the housing 10, and control the closing of the magnetic switch 72 inside the housing 10 from the outside of the housing 10 through the magnetic field of the magnetic control, so as to realize the control of the camera reset circuit 71. In this solution, the camera reset circuit 71 is controlled by the magnetic switch 72, so that a reset button opening can be avoided on the housing 10, so that the integrity and waterproofness of the camera are improved.

[0166] Furthermore, the camera for reading a meter further comprises: a battery 90, which supplies power to the camera assembly and the wireless communication assembly 80. The front shell 10a and the rear shell 10b are buckled together to form a sealed accommodation space. In the embodiment of this solution, there is no need to open a power cord opening on the housing 10, and power is supplied by the internal battery 90, thereby further improving the integrity and waterproofness of the camera.

[0167] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.

Claims

1. A camera for reading a meter, characterized in that: include: A housing (10), wherein a receiving space is provided in the housing (10), and a camera window (11) is provided on a housing wall of the housing (10); The camera assembly is arranged in the accommodation space; wherein, The camera assembly comprises: a mainboard (20), a camera head (30) and a lens base (40); the lens base (40) has a loading card slot (41); the slot wall of the loading card slot (41) is provided with at least one protruding buckle (42); the camera head (30) is arranged in the loading card slot (41); the at least one protruding buckle (42) detachably holds the camera head (30) in the loading card slot (41); the lens of the camera head (30) at the camera end (30a) faces the camera window (11) and collects images externally through the camera window (11); the camera head (30) is electrically connected to the mainboard (20).

2. The camera for reading a meter according to claim 1, characterized in that: The slot wall of the loading slot (41) comprises a first slot wall (41a), a second slot wall (41b) and a third slot wall (41c); the first slot wall (41a) and the third slot wall (41c) are opposite to each other; the first slot wall (41a), the second slot wall (41b) and the third slot wall (41c) are connected in sequence to form a loading slot (41) with a slot wall opening on one side.

3. The camera for reading a meter according to claim 2, characterized in that: At least one protruding buckle (42) comprises a first buckle (421) and a second buckle (422), wherein the first buckle (421) is arranged on the first groove wall (41a), and the second buckle (422) is arranged on the second groove wall (41b).

4. The camera for reading a meter according to claim 1, characterized in that: The lens base (40) is made of any one of silica gel, rubber and elastic plastic.

5. The camera for reading a meter according to claim 1, characterized in that: The bottom (41d) of the loading card slot (41) faces the camera window (11), the bottom (41d) of the loading card slot (41) is provided with an image acquisition port (41e), and at least two legs (43) are provided in the slot direction of the loading card slot (41) opposite to the bottom (41d); The camera end (30a) of the camera (30) extends into the loading slot (41), the periphery of the camera end (30a) of the camera (30) contacts the bottom (41d) of the slot, the lens at the center of the camera end (30a) of the camera (30) faces the image acquisition port (41e), so that the lens can acquire images externally through the camera window (11), and at least one protruding buckle (42) holds the bottom end (30b) of the camera (30), and the bottom end (30b) of the camera (30) is the opposite end of the camera end (30a) of the camera (30); The mainboard (20) is provided with at least two mounting holes (21), and the at least two legs (43) of the loading card slot (41) are plugged into the at least two mounting holes (21) of the mainboard (20) in a one-to-one correspondence.

6. The camera for reading a meter according to claim 5, characterized in that The support leg (43) comprises an insertion rod (431) and an elastic clamping ring (432) arranged on the outer wall of the insertion rod (431); The insertion rod (431) is inserted into the installation insertion hole (21), and the main board (20) is clamped between the top of the loading card slot (41) and the elastic clamp ring (432).

7. The camera for reading a meter according to claim 5, characterized in that: The support foot (43) is interference-connected with the mounting socket (21).

8. A camera for reading a meter according to any one of claims 5 to 7, characterized in that: The support foot (43) is made of at least one material selected from the group consisting of silica gel, rubber, and elastic plastic.

9. The camera for reading a meter according to claim 1, characterized in that: The camera assembly further comprises: a fill light component (60); The shell wall of the housing (10) is provided with a fill light window (12), and the fill light (62) of the fill light component (60) faces the fill light window (12), and fill light is emitted to the outside through the fill light window (12); wherein, The imaging window (11) is a polarization window, or the imaging window (11) and the fill light window (12) are polarization windows with orthogonal or acute polarization angles.

10. The camera for reading a meter according to claim 9, characterized in that The camera window (11) comprises: a first glass and a first polarizing film attached to the first glass, wherein the first glass is arranged at a first opening of a shell wall of the shell (10); The fill light window (12) comprises: a second glass and a second polarizing film attached to the second glass, the second glass being arranged at a second opening of the shell wall of the shell (10); The polarization angles of the first polarizing film and the second polarizing film are orthogonal.

11. The camera for reading a meter according to claim 10, characterized in that Also includes: A wireless communication component (80); A battery (90) for supplying power to the camera assembly and the wireless communication assembly (80); The housing (10) comprises a front housing (10a) and a rear housing (10b); the front housing (10a) and the rear housing (10b) are buckled together to form the sealed accommodation space.

12. A camera for reading a meter, characterized in that: include: A plastic shell (10), wherein a receiving space is provided inside the shell (10), and a camera window (11) is provided on a shell wall of the shell (10); The camera assembly is arranged in the accommodation space; wherein, The camera assembly comprises: a mainboard (20), a camera head (30) and a lens base (40); the lens base (40) has a loading card slot (41); the slot wall of the loading card slot (41) is provided with at least one protruding buckle (42); the camera head (30) is arranged in the loading card slot (41); the at least one protruding buckle (42) detachably holds the camera head (30) in the loading card slot (41); the lens of the camera head (30) at the camera end (30a) faces the camera window (11); an image is collected externally through the camera window (11); and the camera head (30) is electrically connected to the mainboard (20); The slot wall of the loading slot (41) comprises a first slot wall (41a), a second slot wall (41b) and a third slot wall (41c); the first slot wall (41a) and the third slot wall (41c) are opposite to each other; the first slot wall (41a), the second slot wall (41b) and the third slot wall (41c) are connected in sequence to form a loading slot (41) with one side of the slot wall open; The bottom (41d) of the loading card slot (41) faces the camera window (11), and the bottom (41d) of the loading card slot (41) is provided with an image acquisition port (41e). In the slot direction of the loading card slot (41) opposite to the bottom (41d), four legs (43) are provided, and the four legs (43) are respectively provided at four corners of the loading card slot (41), wherein two legs (43) are connected to two ends of a first slot wall (41a), and the other two legs (43) are connected to two ends of a third slot wall (41c); The camera end (30a) of the camera (30) extends into the loading card slot (41), the periphery of the camera end (30a) of the camera (30) contacts the bottom (41d) of the slot, and the lens at the center of the camera end (30a) of the camera (30) faces the image acquisition port (41e), so that the lens can acquire images externally through the camera window (11); The mainboard (20) is provided with four installation sockets (21), and the four legs (43) of the loading card slot (41) are plugged into the four installation sockets (21) of the mainboard (20) in a one-to-one correspondence.

Images