CN219714453U - Non-magnetic metering module for gas meter and camera gas meter - Google Patents
Non-magnetic metering module for gas meter and camera gas meter Download PDFInfo
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- CN219714453U CN219714453U CN202320074480.0U CN202320074480U CN219714453U CN 219714453 U CN219714453 U CN 219714453U CN 202320074480 U CN202320074480 U CN 202320074480U CN 219714453 U CN219714453 U CN 219714453U
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Abstract
The utility model discloses a non-magnetic metering module for a gas meter and a camera gas meter, wherein the non-magnetic metering module comprises a mechanical counting assembly, wherein a counter base, a character wheel set for displaying the gas consumption and a counting gear for driving the character wheel set to rotate are arranged in the mechanical counting assembly; the counter base is also provided with a non-magnetic counting assembly connected with the communication main control circuit board circuit, and the non-magnetic counting assembly comprises a signal transmitting wheel synchronously rotating with the counting gear and a non-magnetic metering circuit board for reading the rotation number of the signal transmitting wheel. When the character wheel set rotates, the signal transmitting wheel and the character wheel set synchronously rotate, and the nonmagnetic metering circuit board can sense the rotation of the signal transmitting wheel and convert the rotation into an electric signal, so that metering data can be transmitted to a remote terminal through the signal transmitting wheel and the nonmagnetic metering circuit board, the possibility of metering obstacle occurrence can be effectively reduced by utilizing the signal transmitting wheel and the nonmagnetic metering circuit board for metering, and the accuracy of background data is effectively improved.
Description
Technical Field
The utility model belongs to the technical field of gas meters, and particularly relates to a non-magnetic metering module for a gas meter and a camera gas meter.
Background
The collection of remote gas consumption data is the main research field of gas meters, the remote terminal collects signals generally through the way of non-image signals, for example, chinese patent publication No. CN2286900Y discloses an intelligent IC card prepayment type gas meter, which consists of a diaphragm type gas meter M, a magneto-electric sampling circuit IC1, a gas charging device C, a gas-cutting mechanism R and a power supply (generator and power storage) device P, wherein the magneto-electric sampling circuit IC1 is placed in the diaphragm type gas meter M, and the rotation number of a gas meter character wheel set is metered by utilizing a magnet and a reed switch in a non-contact way. The signal collection mode is accurate, but the non-image signal is easy to provide more visual evidence when a user disputes, and the mode of converting the mechanical rotation of the gas meter character wheel set into a pulse signal to remotely measure has high failure rate, so that whether the gas meter character wheel set fails or not is difficult to be recognized remotely.
In order to ensure accuracy and visualization of metering data, a method of adopting an image signal, namely a shooting counting mode is also adopted for collecting signals by a remote terminal, so that a shooting gas meter also becomes the current field of research. However, if the remote terminal only adopts the image capturing counting mode to collect signals, the data collection efficiency may be affected, and no additional mode is used for verifying the data collected by the image capturing counting mode, so that the authenticity of the data is difficult to ensure, and therefore, how to provide a counting mode which can be mutually verified by the image capturing counting mode is a problem to be solved in the present moment.
Disclosure of Invention
The utility model aims to provide a non-magnetic metering module for a gas meter and a camera gas meter, wherein the gas meter adopts a counting mode of a signaling wheel and the non-magnetic metering module with higher accuracy and safety, and meanwhile, the camera gas meter also has two remote data acquisition ways, and the two remote data acquisition ways can be mutually checked.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the non-magnetic metering module for the gas meter comprises a counter base, wherein a mechanical counting assembly is arranged on the counter base, and a character wheel set for displaying the gas consumption and a counting gear for driving the character wheel set to rotate are arranged in the mechanical counting assembly; the counter base is also provided with a non-magnetic counting assembly connected with the communication main control circuit board circuit, and the non-magnetic counting assembly comprises a signal transmitting wheel synchronously rotating with the counting gear and a non-magnetic metering circuit board for reading the rotation number of the signal transmitting wheel.
According to the utility model, the nonmagnetic metering module provides a nonmagnetic counting mode capable of providing data for a remote terminal, when the character wheel set rotates, the signal transmitting wheel and the character wheel set synchronously rotate, and the induction coil in the nonmagnetic metering circuit board can induce the rotation of the signal transmitting wheel and convert the rotation into an electric signal, so that metering data can be transmitted to the remote terminal through the signal transmitting wheel and the nonmagnetic metering circuit board through the communication main control circuit board. The possibility of metering obstacle occurrence can be effectively reduced by utilizing the signaling wheel and the non-magnetic metering circuit board for metering, and the accuracy of background data is effectively improved.
In the non-magnetic metering module for the gas meter, the non-magnetic metering circuit board is positioned right above the signal transmitting wheel, and the central axes of the induction coils of the signal transmitting wheel and the non-magnetic metering circuit board are overlapped.
The non-magnetic metering circuit board positioned right above the signal transmitting wheel can timely and accurately sense the rotation of the signal transmitting wheel, and the accuracy of the non-magnetic metering circuit board reaction is ensured through the arrangement of the positions of the central axes of the induction coils, which are overlapped.
In order to accurately and quickly fix the induction coil of the non-magnetic metering circuit board and the signal transmitting wheel on the same central axis, the counter base is provided with a positioning piece for enabling the central axes of the signal transmitting wheel and the induction coil of the non-magnetic metering circuit board to coincide.
Further, the locating piece include boss reference column and screw reference column of locating the signaling wheel periphery, boss reference column and screw reference column total number are not less than 3, wherein screw reference column is not less than 1, non-magnetic metering circuit board on be formed with the locating hole with boss reference column, screw reference column position one-to-one respectively.
The boss positioning column comprises a supporting column body and a positioning column head arranged at the top end of the supporting column body, wherein a limiting step is formed between the supporting column body and the positioning column head; the non-magnetic metering circuit board is provided with a boss positioning hole which is convenient for the positioning column head to pass through, and the bottom surface of the non-magnetic metering circuit board is attached to the limiting step.
A screw hole is formed in the center of the screw hole positioning column; the non-magnetic metering circuit board is provided with a screw positioning hole, screws are detachably arranged in the screw positioning hole and the screw hole, and the bottom surface of the non-magnetic metering circuit board is attached to the top surface of the screw positioning column.
The non-magnetic metering circuit board and the counter base are rapidly positioned through the insertion connection of the non-magnetic metering circuit board boss positioning hole and the counter base positioning column head, the screw ensures the connection stability of the non-magnetic metering circuit board and the counter base, and the boss positioning column, the screw hole positioning column, the boss positioning hole and the screw positioning hole ensure the relative positions of the non-magnetic metering circuit board and the signal transmitting wheel, namely, the non-magnetic metering circuit board is parallel to the signal transmitting wheel, the set distance is kept unchanged, and meanwhile, the central axes of the induction coil and the signal transmitting wheel coincide.
In the non-magnetic metering module for the gas meter, the bottom surface of the counter base is provided with the counting transmission gear coaxially and fixedly connected with the counting gear and the signaling transmission gear coaxially and fixedly connected with the signaling wheel, and the counting transmission gear and the signaling transmission gear are in the same gear transmission system and synchronously rotate.
The base meter central gear drives the gear transmission system of the mechanical counter to operate, the counting gear and the signaling transmission gear are both arranged in the gear transmission system and can synchronously rotate, the counting gear drives the character wheel set to rotate, and the signaling transmission gear drives the signaling wheel to rotate, so that the signaling wheel and the counting gear are finally ensured to synchronously rotate. In practical application, the counting transmission gear and the signaling transmission gear can be separated by a plurality of gears, so that the counting transmission gear and the signaling transmission gear are ensured to be in the same gear transmission system. In addition, the counting transmission gear and the signaling transmission gear do not necessarily rotate at the same speed, and can also keep a speed proportion to synchronously rotate.
In the utility model, the initial metering modes of the two data acquisition modes of the non-magnetic metering module are all from a gear transmission system, and the rotation conditions of gears can be synchronously counted.
In the non-magnetic metering module for the gas meter, the camera bracket is also provided with a camera which is connected with the communication main control circuit board circuit;
the mechanical counting assembly comprises a dial fixed on the upper surface of the counter base, a user window for displaying the readings of the character wheel sets is formed on the dial, a shooting window for facilitating the shooting of the character wheel sets by the camera is arranged on the side face of the counter base, and the shooting window and the user window are positioned at different circumferential positions of the character wheel sets.
The non-magnetic metering module provides three data acquisition modes, namely a character wheel set direct display mode, image remote transmission and non-magnetic remote transmission, wherein a background can acquire images of the character wheel set reading through a camera, and the image data is transmitted to a remote terminal through a communication main control circuit board; the two remote data collection modes of image remote transmission and non-magnetic remote transmission can be mutually verified, and stronger image evidence can be provided when disputes are met.
In the non-magnetic metering module for the gas meter, the character wheel group comprises a plurality of coaxially arranged character wheels, characters are uniformly arranged on the circumferential surface of the character wheels, the shooting window and the user window are arranged at an included angle of 90 degrees, and the camera is opposite to the shooting window.
Characters such as 0-9 are uniformly arranged on the circumferential surface of the character wheel, and the character wheel group image which is 90 degrees relative to the direction of the user window is shot by the camera, and the shot image is transmitted to the background due to the fixed angle between the shooting window and the user window, and after image identification, conversion is carried out, so that the reading seen by the user window can be calculated.
Preferably, the signal transmitting wheel is arranged outside the light path of the camera.
The transmission wheel is arranged on the oblique side of the shooting window, the transmission wheel and the non-magnetic metering circuit board can be further protected by the character wheel group structure, the metering performance of the non-magnetic metering module is improved, and the transmission wheel is small in size, so that the transmission wheel can be arranged at the position, close to the end, in front of the shooting window, and does not interfere the light path and the visual field area of the shooting window shot by the camera.
A camera gas meter comprises a base meter, wherein the base meter is fixedly connected with the non-magnetic metering module for the gas meter.
Preferably, a plurality of connecting pieces matched with a non-magnetic metering module for the gas meter are arranged at the end part of the upper surface of the base meter, a matched cover plate is further arranged on the non-magnetic metering module for the gas meter, and a user window capable of directly obtaining readings of the character wheel set is formed on the cover plate.
A user obtains the reading of a character wheel set of the camera gas meter for displaying the gas consumption through a window of the cover plate, a remote background obtains two sets of metering data through the camera and the nonmagnetic metering circuit board, and the nonmagnetic metering module for the gas meter is fixedly connected with the upper part of the base meter, so that the overhaul and the installation are convenient.
Compared with the prior art, the utility model has the beneficial effects that:
(1) According to the utility model, the non-magnetic metering module provides a non-magnetic counting mode capable of providing data for a remote terminal, when the character wheel set rotates, the signal transmitting wheel and the character wheel set synchronously rotate, and the induction coil of the non-magnetic metering circuit board can induce the rotation of the signal transmitting wheel and convert the rotation into an electric signal, so that metering data can be transmitted to the remote terminal through the signal transmitting wheel and the non-magnetic metering circuit board by the communication main control circuit board, the possibility of metering obstacle occurrence can be effectively reduced by utilizing the signal transmitting wheel and the non-magnetic metering circuit board for metering, and the accuracy of background data is effectively improved.
(2) In the utility model, the non-magnetic metering module provides three data acquisition modes, namely a character wheel set direct display mode, an image remote transmission mode and a non-magnetic remote transmission mode, and the original metering modes of the three data acquisition modes are all obtained by rotation of a gear transmission system in a mechanical counting assembly. The background can obtain an image of the reading of the character wheel set through the camera, and the image data is transmitted to a remote terminal through a communication main control circuit board; the two remote data collection modes of image remote transmission and non-magnetic remote transmission can be mutually verified, and stronger image evidence can be provided when disputes are met.
(3) In the utility model, a positioning piece for enabling the central axes of the sensing coil of the signaling wheel and the non-magnetic metering circuit board to coincide accurately and rapidly is arranged on the counter base; the non-magnetic metering circuit board is connected with the positioning column head through the boss positioning hole to rapidly position the non-magnetic metering circuit board, and the limiting step of the boss positioning column and the top surface of the screw hole positioning column ensure that the non-magnetic metering circuit board is arranged parallel to the signaling wheel, so that induction errors caused by position change are reduced; and the screw hole and the screw ensure the stability of connection of the non-magnetic metering circuit board structure and the counter base.
(4) The utility model improves the original counting assembly structure, and a non-magnetic counting assembly and a camera assembly are integrated in the counting assembly structure, the camera and a shooting window are arranged in the non-magnetic metering module, the shooting work does not interfere the normal meter reading of a user, and meanwhile, the shooting work is not interfered by the change of external brightness or the artificial shielding; the camera shoots visual images and transmits the visual images to the background, so that gas company personnel can conveniently patrol and diagnose the fault of the gas meter in the background. In addition, the function is added without adding extra size, and the installation of the gas meter is not affected.
(5) According to the camera gas meter provided by the utility model, a user obtains the reading of the character wheel set of the camera gas meter for displaying the gas consumption through the window of the remote non-magnetic metering module cover plate, the remote background obtains two sets of metering data through the camera and the non-magnetic metering circuit board, and the gas meter is fixedly connected with the upper part of the base meter through the non-magnetic metering module, so that the overhaul and the installation are convenient.
Drawings
FIG. 1 is a schematic diagram of a non-magnetic metering module for a gas meter according to the present utility model;
FIG. 2 is a schematic diagram showing the disassembly of the nonmagnetic metering module for the gas meter;
FIG. 3 is a schematic view of a mechanical counting assembly of the present utility model;
FIG. 4 is a schematic view of the bottom surface structure of the counter base of the present utility model;
FIG. 5 is a schematic diagram of the structure of the base meter of the camera gas meter;
fig. 6 is an external view of the camera gas meter according to the present utility model.
Detailed Description
The technical scheme of the utility model is further described in detail below with reference to the attached drawings and the detailed description.
Example 1
As shown in fig. 1 and 2, the present embodiment provides a non-magnetic metering module 100 for a gas meter, which includes a cover plate 16 and a housing 15, wherein a mechanical counting assembly 11, a camera assembly 12 and a non-magnetic counting assembly 13 are disposed in the housing 15. The cover 16 cooperates with the housing 15 and is also formed with a user window 161, 161 range that allows direct access to the readings of the wheelset 111 displayed in 113a, encompassing the complete 113a range.
Referring to fig. 3, the mechanical counting assembly 11 includes a character wheel set 111, a counter base 112, and a dial 113, wherein the character wheel set 111 is fixed on the counter base 112, the housing 15, the counter base 112, and the cover plate 16 are fixed on the base table 200 together by screws and screw holes 21, the dial 113 is formed with a user window 113a for displaying the readings of the character wheel set 111, and a photographing window 113b for photographing the character wheel set 111 by a camera 121 is formed on the side surface of the counter base 112. The photographing window 113b and the user window 113a are disposed at an angle of 90 degrees, and the camera 121 of the camera assembly 12 faces the photographing window 113b. The character wheel set 111 includes a plurality of coaxially arranged character wheels 111a, and 10 characters 111b of "0" to "9" are uniformly arranged on the circumferential surface of the character wheel 111 a; the projection width of the photographing window 113b in the radial direction of the character wheel set 111 is larger than the circumferential width occupied by one character 111b on the character wheel 111 a. Thereby, it is ensured that the camera 121 can shoot images with circumferential widths of not less than 1 character 111b on each character wheel 111a, and the accuracy of image recognition by the background is ensured.
The non-magnetic counting assembly 13 obtains the number of rotation turns of the character wheel set 111 through the transmitting wheel 131 rotating synchronously with the character wheel set 111 and the non-magnetic metering circuit board 132 capable of sensing the rotation of the transmitting wheel 131, specifically, the initial reading of the character wheel set 111 is manually input to a background system, the non-magnetic counting assembly 13 obtains the increased reading through the number of turns corresponding to the sensing character wheel set 111, and the background system obtains the final reading through the initial reading and the increased reading.
The signal wheel 131 and the non-magnetic metering circuit board 132 are disposed on the counter base 112, the signal wheel 131 is disposed on the oblique side of the photographing window 113b, the non-magnetic metering circuit board 132 is disposed right above the signal wheel 131, and the central axes of the signal wheel 131 and the induction coil 132c of the non-magnetic metering circuit board 132 are coincident.
In order to fix the induction coil 132c and the signaling wheel 131 precisely and quickly on the same central axis, the counter base 112 is provided with a positioning member for overlapping the central axes of the signaling wheel 131 and the induction coil 132 c.
The positioning member in this embodiment includes boss positioning columns 112a and screw hole positioning columns 112e disposed on the outer periphery of the signaling wheel 131, wherein the total number of the boss positioning columns 112a and the screw hole positioning columns 112e is not less than 3, and not less than 1 screw hole positioning column 112e, and positioning holes corresponding to the boss positioning columns 112a and the screw hole positioning columns 112e respectively are formed on the non-magnetic metering circuit board 132.
The boss positioning column 112a comprises a supporting column 112b and a positioning column head 112c arranged at the top end of the supporting column 112b, and a limiting step 112d is formed between the supporting column 112b and the positioning column head 112 c; the nonmagnetic metering circuit board 132 is formed with a boss positioning hole 132a for the positioning column head 112c to pass through, and the bottom surface of the nonmagnetic metering circuit board 132 is attached to the limiting step 112 d.
The nonmagnetic metering circuit board 132 and the counter base 112 are rapidly positioned by the plugging of the boss positioning hole 132a and the positioning column head 112c, and the screws in the screw holes 112f ensure the connection stability of the nonmagnetic metering circuit board 132 and the counter base 112. The boss positioning holes 132a, the screw positioning holes 132b, the boss positioning columns 112b and the screw positioning columns 112e ensure the relative positions of the nonmagnetic metering circuit board 132 and the signaling wheel 131, namely the nonmagnetic metering circuit board 132 is parallel to the signaling wheel 131, the set distance is kept unchanged, and meanwhile, the central axes of the induction coil 132c and the signaling wheel 131 coincide.
The signal transmitting wheel 131 and the character wheel set 111 are also arranged on the counter base 112, so that the signal transmitting wheel 131 and the character wheel set 111 can be ensured to be in the same set of gear transmission system, and the signal transmitting wheel 131 and the character wheel set 111 can rotate synchronously, so that the accuracy of acquiring data by the signal transmitting wheel 131 and the non-magnetic metering circuit board 132 is ensured; the signal wheel 131 is disposed at the oblique side of the photographing window 113b, and does not interfere with the light path and the field area of the photographing window 113b photographed by the camera 121.
As shown in fig. 4, the bottom surface of the counter base 112 is provided with a counting transmission gear 115 coaxially and fixedly connected with the counting gear 114, and a signaling transmission gear 133 coaxially and fixedly connected with the signaling wheel 131, wherein the counting transmission gear 115 and the signaling transmission gear 133 are simultaneously meshed with an intermediate transmission gear 134, and the number of teeth of the counting transmission gear 115 and the signaling transmission gear 133 is equal. The base meter sun gear 22 drives the gear drive system of the mechanical counter to operate, and the signaling drive gear 133 and the counting gear 114 can synchronously rotate in the gear drive system, so that the signaling wheel 131 and the counting gear 114 can synchronously rotate.
The camera shooting component 12 and the nonmagnetic counting component 13 are both in circuit connection with the communication main control circuit board 14, and metering data are transmitted to a remote terminal through the communication main control circuit board 14. The communication main control circuit board 14 is used as a core component for transmitting data of the nonmagnetic metering module 100 and is arranged in the middle of the shell 15 of the remote transmission nonmagnetic metering module 100.
The embodiment also provides a camera gas meter, as shown in fig. 5 and 6, including a base meter 200 and a non-magnetic metering module 100 for the gas meter, wherein a plurality of connectors 21 matched with the non-magnetic metering module 100 for the gas meter are arranged at the end part of the upper surface of the base meter 200, and the non-magnetic metering module 100 is fixed on the upper surface of the base meter 200 through the connectors 21.
The working principle of the nonmagnetic metering module 100 for the gas meter of the embodiment is as follows: the nonmagnetic metering module 100 provides three data acquisition modes, namely: the user directly obtains the readings of the character wheel set 111 from the user window 161, and the background can obtain two sets of data with different transmission modes from the image pickup assembly 12 and the non-magnetic counting assembly 13. The background in the camera assembly 12 can obtain the image read by the character wheel set 111 through the camera 121, the image data is transmitted to a remote terminal through the communication main control circuit board 14, the non-magnetic metering circuit board 132 senses the rotation of the signal transmitting wheel 131 and converts the rotation into an electric signal, and the metering data is transmitted to the remote terminal through the communication main control circuit board 14. The possibility of metering obstacle occurrence can be effectively reduced by utilizing the signaling wheel 131 and the non-magnetic metering circuit board 132 for metering, and the accuracy of background data is effectively improved. And the original metering modes of the three data acquisition modes are all obtained by rotation of a gear transmission system in the mechanical counting assembly 11.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (10)
1. The nonmagnetic metering module for the gas meter comprises a mechanical counting assembly (11), wherein a counter base (112), a character wheel set (111) for displaying the gas consumption and a counting gear (114) for driving the character wheel set (111) to rotate are arranged in the mechanical counting assembly (11); the counter is characterized in that the counter base (112) is also provided with a non-magnetic counting assembly (13) connected with a communication main control circuit board (14), and the non-magnetic counting assembly (13) comprises a signaling wheel (131) which rotates synchronously with the counting gear (114) and a non-magnetic metering circuit board (132) which is used for reading the rotation number of the signaling wheel (131).
2. The non-magnetic metering module for gas meter according to claim 1, wherein the non-magnetic metering circuit board (132) is located right above the signaling wheel (131), and the central axes of the signaling wheel (131) and the induction coil (132 c) of the non-magnetic metering circuit board (132) are coincident.
3. The non-magnetic metering module for gas meters according to claim 2, wherein the counter base (112) is provided with a positioning member for overlapping central axes of the sensing coil (132 c) of the non-magnetic metering circuit board (132) and the signaling wheel (131).
4. A non-magnetic metering module for a gas meter according to claim 3, wherein the positioning member comprises a boss positioning column (112 a) arranged at the periphery of the signaling wheel (131), the boss positioning column (112 a) comprises a supporting column body (112 b) and a positioning column head (112 c) arranged at the top end of the supporting column body (112 b), and a limiting step (112 d) is formed between the supporting column body (112 b) and the positioning column head (112 c);
the non-magnetic metering circuit board (132) is provided with a boss positioning hole (132 a) which is convenient for the positioning column head (112 c) to pass through, and the bottom surface of the non-magnetic metering circuit board (132) is attached to the limiting step (112 d).
5. The non-magnetic metering module for gas meter according to claim 4, wherein the positioning member further comprises at least one screw hole positioning column (112 e) provided at the outer periphery of the signaling wheel (131), and a screw hole (112 f) is formed at the center of the screw hole positioning column (112 e);
the non-magnetic metering circuit board (132) is provided with a screw positioning hole (132 b), screws are detachably arranged in the screw positioning hole (132 b) and the screw hole (112 f), and the bottom surface of the non-magnetic metering circuit board (132) is attached to the top surface of the screw hole positioning column (112 e).
6. The non-magnetic metering module for gas meter according to claim 4, wherein the bottom surface of the counter base (112) is provided with a counting transmission gear (115) coaxially and fixedly connected with the counting gear (114), and a signaling transmission gear (133) coaxially and fixedly connected with the signaling wheel (131), and the counting transmission gear (115) and the signaling transmission gear (133) synchronously rotate in the same gear transmission system.
7. The non-magnetic metering module for gas meter according to claim 1, wherein the camera bracket (122) is further provided with a camera (121) electrically connected with the communication main control circuit board (14).
8. The non-magnetic metering module for gas meter according to claim 1, wherein the mechanical counting assembly (11) comprises a dial (113) fixed on the upper surface of the counter base (112), a user window (113 a) for displaying the readings of the character wheel set (111) is formed on the dial (113), a shooting window (113 b) for facilitating the shooting of the character wheel set (111) by the camera (121) is formed on the side surface of the counter base (112), and the shooting window (113 b) and the user window (113 a) are positioned at different circumferential positions of the character wheel set (111).
9. The non-magnetic metering module for gas meter according to claim 8, wherein said character wheel set (111) comprises a plurality of coaxially arranged character wheels (111 a), characters (111 b) are uniformly arranged on the circumferential surface of said character wheels (111 a), said photographing window (113 b) and said user window (113 a) are arranged at an included angle of 90 ° and said camera (121) is opposite to said photographing window (113 b).
10. A camera gas meter comprising a base meter (200), wherein the base meter (200) is fixedly connected with the non-magnetic metering module (100) for the gas meter according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320074480.0U CN219714453U (en) | 2023-01-10 | 2023-01-10 | Non-magnetic metering module for gas meter and camera gas meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320074480.0U CN219714453U (en) | 2023-01-10 | 2023-01-10 | Non-magnetic metering module for gas meter and camera gas meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219714453U true CN219714453U (en) | 2023-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320074480.0U Active CN219714453U (en) | 2023-01-10 | 2023-01-10 | Non-magnetic metering module for gas meter and camera gas meter |
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| Country | Link |
|---|---|
| CN (1) | CN219714453U (en) |
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2023
- 2023-01-10 CN CN202320074480.0U patent/CN219714453U/en active Active
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