CN219960760U

CN219960760U - Gas meter reading system

Info

Publication number: CN219960760U
Application number: CN202320857728.0U
Authority: CN
Inventors: 陈奇盛; 陈庆荣; 陈德龙
Original assignee: Shanghai Meokon Sensing Technology Co ltd
Current assignee: Shanghai Meokon Sensing Technology Co ltd
Priority date: 2023-04-14
Filing date: 2023-04-14
Publication date: 2023-11-03
Anticipated expiration: 2033-04-14

Abstract

The utility model discloses a gas meter reading system, and belongs to the field of gas meter reading. Aiming at the problems that the existing gas meter reading system cannot well realize the connection between a gas meter and a meter reading device and is complicated to install, the utility model provides a gas meter reading system, which comprises a gas meter and a meter reading device connected with the gas meter; a sliding rail bracket is fixedly arranged on the gas meter, and a sliding groove is formed in the sliding rail bracket; the meter reading device is provided with a sliding block, and the sliding connection between the meter reading device and the gas meter is realized through the matching of the sliding block and the sliding groove; and one end of the sliding rail support is provided with a baffle plate, the baffle plate is provided with a mounting hole, and the mounting hole is used for fixedly connecting the sliding rail support with the gas meter. According to the utility model, the sliding rail support is used as an intermediate adapter, so that the quick installation between the meter reading device and the gas meter can be realized, and compared with the meter reading device, the sliding support has smaller volume and less damage to the gas meter; the whole system is simple in composition, components are installed quickly, and working efficiency is improved.

Description

Gas meter reading system

Technical Field

The utility model belongs to the technical field of gas meter reading, and particularly relates to a gas meter reading system.

Background

The wireless meter reading of the gas meter can transmit data or instructions and receive data in a wireless radio frequency mode, and a set of communication protocol is established between the wireless meter reading and receiving device and the wireless module to communicate with the wireless module and read data. The wireless meter reading system is a wireless, water, electricity and gas meter intelligent acquisition system for a community, realizes time-of-use electricity price statistics and time-of-use electricity quantity control, has the greatest characteristics of no wiring, is more convenient to install, greatly reduces the labor of labor personnel, ensures the smooth progress of engineering, and also reduces the cost, so that the wireless meter reading system is widely applied to the life of people. However, the existing gas meter reading system cannot well realize the fixation between the meter reading device and the gas meter, and is complex in installation and low in overall efficiency.

Corresponding improvements have been made to the above-mentioned problems, such as chinese patent application number CN201921597041.8, publication date is 14/4/2020, which discloses a gas meter reading device comprising: the two brackets are fixed above the gas meter and are fixed on two sides above the gas meter; the two cameras are respectively fixed on the two brackets, and face the visual window of the gas meter; the infrared module is fixed on the two brackets; the two first illumination modules are respectively fixed on the two brackets and close to the camera; the microcontroller is fixed inside the gas meter and is connected with the camera, the infrared module and the first lighting module; and the voice broadcasting module is fixed inside the gas meter and is connected with the microcontroller. The disadvantage of this patent is that: and the gas meter is connected with the gas meter through a bracket, so that the connection stability cannot be effectively ensured.

For another example, chinese patent application number CN201420047803.8, the publication date is 2014, 10, 15, and the patent discloses a remote diaphragm gas meter and a meter reading and controlling system, where the gas meter includes: the gas metering base meter, the main control singlechip and the transmitter are connected with the main control singlechip; the fuel gas metering base table is used for recording the use data of fuel gas; the master control singlechip is used for packaging and encrypting the data recorded by the fuel gas metering basic table and then sending the data to the transmitter; the transmitter is used for transmitting the encapsulated data transmitted by the master control singlechip to network side equipment. The disadvantage of this patent is that: it does not make excessive structural description, and the overall installation efficiency is slow.

Disclosure of Invention

1. Problems to be solved

Aiming at the problems that the existing gas meter reading system can not well realize the connection between a gas meter and a meter reading device and is complicated to install, the utility model provides a gas meter reading system. According to the utility model, the sliding rail support is used as an intermediate adapter, so that the quick installation between the meter reading device and the gas meter can be realized, and compared with the meter reading device, the sliding support has smaller volume and less damage to the gas meter; the whole system is simple in composition, components are installed quickly, and working efficiency is improved.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

A gas meter reading system comprises a gas meter and a meter reading device connected with the gas meter; a sliding rail bracket is fixedly arranged on the gas meter, and a sliding groove is formed in the sliding rail bracket; the meter reading device is provided with a sliding block, and the sliding connection between the meter reading device and the gas meter is realized through the matching of the sliding block and the sliding groove; and one end of the sliding rail support is provided with a baffle plate, the baffle plate is provided with a mounting hole, and the mounting hole is used for fixedly connecting the sliding rail support with the gas meter.

Further, the meter reading device comprises a shell, a sliding block is arranged on one side face, close to the gas meter, of the shell, a PCB (printed circuit board) is arranged in the shell, a display screen is arranged on the shell, the PCB is electrically connected with the display screen, a wiring hole is formed in the shell, and a circuit penetrates through the wiring hole to realize connection of the PCB and the gas meter; and a battery compartment for accommodating a battery is provided at one side of the housing.

Further, the battery compartment comprises a battery compartment body and a cover plate, a plurality of accommodating cavities are arranged in the battery compartment body, and the cover plate is connected with the battery compartment body to realize the sealing of the battery compartment body; meanwhile, the battery compartment body is provided with a mounting groove, a sealing ring is arranged in the mounting groove, and sealing between the cover plate and the battery compartment body is achieved through the sealing ring.

Still further, still be provided with the keysets that is used for being connected with the battery on the battery compartment body, the keysets is connected with the PCB board electricity.

Further, the shell comprises an opening-shaped rectangular body, and the opening is detachably connected with the upper cover; the upper cover is provided with the display screen, and the one side that the upper cover is close to the casing is provided with a plurality of dislocation preventing post, and a accommodation space is formed to a plurality of dislocation preventing post, places the PCB board in the accommodation space.

Furthermore, a guide pipe column is arranged on one surface of the display screen, which is close to the inside of the shell, and the guide pipe column and the display screen are integrally formed.

Still further, be provided with spacing recess on the upper cover, be provided with spacing lug on the rectangle body, realize the detachable connection of upper cover and rectangle body through spacing recess and spacing lug's cooperation.

Furthermore, the side of the wiring hole is provided with a nut limiting stop rib, and the nut limiting stop rib is arranged in the shell.

3. Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the utility model, the sliding connection between the gas meter and the meter reading device is realized through the sliding rail support, so that the meter reading device is prevented from being directly and fixedly connected with the gas meter to cause certain damage to the gas meter, the sliding rail support is used as an intermediate adapter, so that the rapid installation between the meter reading device and the gas meter can be realized, and compared with the meter reading device, the sliding rail support is smaller in size and less in damage to the gas meter; meanwhile, a baffle at one end part of the sliding rail bracket can also play a certain limiting role on the meter reading device; meanwhile, the mounting holes on the baffle plate fix the meter reading device and the sliding rail bracket after the meter reading device slides into the sliding rail bracket, so that the stability and strength between the meter reading device and the sliding rail bracket are further ensured; the whole system is simple in composition, components are quickly installed, and the working efficiency is improved;

(2) The meter reading device is simple in structure, components are quickly installed, the data of the gas meter is read through connection of the PCB and the gas meter, and then the data is displayed through the display screen, so that the gas meter reading device is convenient for workers to know in time; the arrangement of the plurality of accommodating cavities provides the placement of a plurality of batteries, so that the cruising ability of the whole device is greatly improved, and a user can conveniently select a proper battery by himself; the sealing ring is arranged in the mounting groove on the battery compartment body, the shape of the sealing ring is the same as the shape of the side surface of the battery compartment body, and then the sealing ring is sealed through the cover plate, so that the stability of the sealing ring is ensured, and the sealing ring is not easy to fall off;

(3) According to the utility model, the adapter plate is arranged on the battery compartment body and plays a role in carrying, and is electrically connected with the PCB, so that the connection between the battery and the PCB can be realized by only connecting the battery with the adapter plate, and the condition of inconvenient operation caused by direct connection of the PCB and the battery is avoided; meanwhile, the convenience of subsequent battery replacement is improved, the PCB inside the shell is not required to be operated, the newly replaced battery is only required to be connected with the adapter plate, and the working efficiency is greatly improved; meanwhile, the arrangement of the limiting fixing groove in the accommodating cavity is convenient for fixing and limiting the battery, so that the battery is prevented from moving; the baffle is arranged to avoid the problem that the adjacent two batteries are easy to interfere, so that the stable operation of the batteries is ensured;

(4) According to the utility model, the plurality of dislocation preventing columns form an accommodating space, and the PCB is placed in the accommodating space, so that the PCB is fixed and limited, and the situation that the PCB is easy to deviate or unstable to install in the installation process is avoided; the arrangement of the nut limiting stop rib at one side of the wire hole is convenient for a worker to fix the wire outside, and the problem of low installation efficiency caused by the fact that the wire is fixed inside and outside the shell at the same time in the past is not needed; and the guide pipe column arranged on the display screen plays a role in concentrating and guiding light, so that the light transmission on the display screen is clearer, the light scattering effect is also reduced, the definition of the display screen is improved, and the display screen is convenient to observe.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the structure of the upper cover of the present utility model;

FIG. 3 is a schematic view of the structure of the housing according to the present utility model;

FIG. 4 is a schematic view of an exploded view of a battery compartment of the present utility model;

FIG. 5 is a front view of a battery compartment of the present utility model;

FIG. 6 is a schematic view of a cover plate according to the present utility model;

fig. 7 is a schematic diagram of the overall structure of the present utility model.

In the figure: 1. a housing; 2. a conduit string; 3. a limit groove; 4. a display screen; 5. an anti-dislocation column; 6. nut limiting stop ribs; 7. a limit bump; 8. a battery I; 9. a seal ring; 10. a cover plate; 11. locking a screw; 12. a battery II; 13. an adapter plate; 14. a mounting groove; 15. a clasp groove I; 16. the hand is buckled; 17. fool-proof limiting block; 18. a button hand groove II; 19. fool-proof limit groove; 20. a slide rail bracket; 21. a gas meter.

Detailed Description

The utility model is further described below in connection with specific embodiments and the accompanying drawings.

Example 1

Because no fixed point exists between the wireless meter reading of the existing gas meter and the film type gas meter, the wireless meter reading of the gas meter and the film type gas meter cannot be perforated and fixed, the wireless meter reading of the gas meter and the film type gas meter can be mutually fixed only by adopting a hoop mode, often the field construction space is narrow, the waist of the film type gas meter is thick, the hoop is not easy to install, the situation of loose holding exists after the installation, scratches can be caused on the paint spraying surface of the film type gas meter after the film type gas meter is held, and therefore, the utility model provides a gas meter reading system, which comprises a gas meter 21 and a meter reading device connected with the gas meter 21, as shown in fig. 7; reading data from the gas meter 21 by a meter reading device; the whole system can also comprise a cloud platform which is in wireless connection with the meter reading device, and the meter reading device sends the data to the cloud platform after receiving the data of the gas meter 21 so as to achieve the purposes of data storage and inquiry. The gas meter 21 is fixedly provided with a slide rail support 20, specifically, through holes are formed in the gas meter 21 and the slide rail support 20, and the locking screw 11 penetrates through the through holes to fix the gas meter 21 and the slide rail support 20, so that damage to the gas meter 21 is reduced to the minimum, and the slide rail support 20 is fixed on the pressure ring edge of the gas meter 21. A sliding groove is formed in the sliding rail bracket 20; the meter reading device is provided with a sliding block, and the sliding connection between the meter reading device and the gas meter 21 is realized through the matching of the sliding block and the sliding groove; the baffle is arranged at one end of the sliding rail support 20, the baffle is provided with a mounting hole, the mounting hole is used for fixedly connecting the sliding rail support 20 with the gas meter 21, and the baffle is provided with holes to be fixedly connected with the meter reading device on the premise that the sliding grooves are not influenced; and the meter reading device enters the chute, and the baffle just contacts with the side edge of the meter reading device, so that the baffle also plays a limiting role on the meter reading device and provides a pressing force for the meter reading device. When the meter reading device is connected with the gas meter 21, the sliding rail support 20 is firstly fixed on the gas meter 21, then the sliding groove on the sliding rail support 20 faces the meter reading device, the sliding block on the meter reading device slides into the sliding groove from one side of the sliding groove, and then the mounting hole on the baffle plate and the hole on the meter reading device are locked and fixed through the locking screw 11, so that an integrated structure is formed. Specifically, the sliding block and the sliding groove are rectangular, the length of the sliding block is the same as that of the sliding groove, the length of the sliding block is the same as that of the meter reading device, and the lengths are all in the horizontal direction; the sliding block on the whole meter reading device slides into the sliding groove, so that the stability is further improved while the operation is convenient. The sliding rail bracket 20 comprises a strip-shaped body, a sliding groove is formed in one side of the strip-shaped body, the length of the sliding groove penetrates through the length of the strip-shaped body, and the side surface opposite to the sliding groove is fixedly connected with the gas meter 21; the baffle at the end part of the chute faces to the meter reading device.

According to the utility model, the sliding connection between the gas meter 21 and the meter reading device is realized through the sliding rail support 20, so that the meter reading device is prevented from being directly and fixedly connected with the gas meter 21 to cause certain damage to the gas meter 21, the sliding rail support 20 is used as an intermediate adapter, so that the rapid installation between the meter reading device and the gas meter 21 can be realized, and compared with the meter reading device, the sliding rail support 20 has smaller volume and less damage to the gas meter 21; meanwhile, a baffle at one end part of the slide rail bracket 20 can also play a certain limiting role on the meter reading device; meanwhile, the mounting holes on the baffle plate fix the meter reading device and the slide rail bracket 20 after the meter reading device slides into the slide rail bracket 20, so that the stability and strength between the meter reading device and the slide rail bracket 20 are further ensured; the whole system is simple in composition, components are installed quickly, and working efficiency is improved.

As shown in fig. 1, the meter reading device comprises a housing 1, wherein a sliding block is arranged on one side surface of the housing 1, which is close to a gas meter 21, and the sliding block is used for being connected with a sliding rail bracket 20; the inside of the shell 1 is provided with a PCB board which is used for monitoring data of the gas meter 21; because the PCB is of a conventional structure and is arranged in the gas meter reading device, the principle and the structure of the PCB are not elaborated; the shell 1 is provided with a display screen 4, the PCB is electrically connected with the display screen 4, the display screen 4 is used for displaying the data value monitored by the PCB, the display content can be limited according to staff, and the utility model is not particularly limited; the shell 1 is provided with the wiring holes, and the PCB in the shell 1 is required to be connected with the gas meter 21 through a circuit, and the wiring is restrained by the arrangement of the wiring holes, so that the wiring direction is regular and easy to comb; the circuit passes through the wiring hole to realize the connection between the PCB and the gas meter 21; and one side of the shell 1 is provided with a battery compartment for accommodating batteries, and the batteries in the battery compartment supply power to the PCB, so that stable operation of the PCB is effectively ensured.

Example 2

Basically the same as embodiment 1, in order to further improve the service life of the meter reading device, as shown in fig. 4 to 6, the battery compartment includes a battery compartment body and a cover plate 10, the battery compartment body is in an open rectangular shape, and a plurality of accommodating cavities are arranged in the battery compartment body, and batteries are placed in the accommodating cavities; in the embodiment, two battery cavities are arranged in the battery compartment body and respectively accommodate a battery I8 and a battery II12; the setting in a plurality of holding chamber provides the placing of a plurality of batteries to very big improvement the duration of whole device, also made things convenient for the customer to select suitable battery by oneself, improved the convenience of use. The cover plate 10 is connected with the battery compartment body to realize the sealing of the battery compartment body, and the cover plate 10 is connected with the opening to realize the sealing; specifically, the cover plate 10 and the battery compartment body are provided with mounting holes, the positions of the mounting holes on the two parts of the cover plate are corresponding to each other, and the locking screw 11 passes through the mounting holes on the two parts to realize fixed connection; meanwhile, a fool-proof limit groove 19 is formed in one surface, close to the battery compartment body, of the cover plate 10, a fool-proof limit block 17 is arranged on the battery compartment body, and the battery compartment body is connected with the cover plate 10 through the cooperation of the fool-proof limit groove 19 and the fool-proof limit block 17; the fool-proof limit groove 19 and the fool-proof limit block 17 are used for further guaranteeing connection between the battery compartment body and the cover plate 10 and reinforcing connection strength; secondly, the fool-proof limit groove 19 is arranged, so that the situation that the cover plate 10 is reversely or inversely installed is avoided, and the installation error is greatly reduced. Preferably, in this embodiment, each accommodating cavity is provided with a limiting fixing groove, a battery is placed in each limiting fixing groove, and each limiting fixing groove has a fixing and limiting effect on the battery, so that the battery is prevented from moving easily; and be provided with the baffle between two adjacent holding chambers, the baffle is isolated two holding chambers, avoids bumping or mutual interference between the battery, ensures the stability of battery work. Meanwhile, the battery compartment body is provided with the mounting groove 14, the sealing ring 9 is arranged in the mounting groove 14, the sealing between the cover plate 10 and the battery compartment body is realized through the sealing ring 9, and the sealing ring 9 is not arranged to be fixed by extrusion between the battery compartment body and the cover plate 10; instead, the sealing ring 9 is placed in the mounting groove 14, and the mounting groove 14 fixes the sealing ring 9; through placing sealing washer 9 in mounting groove 14 earlier, rethread apron 10 plays further extruded effect to sealing washer 9 with battery compartment body coupling, improves sealing washer 9's steadiness, is difficult for taking place to drop between apron 10 and battery compartment body. And the shape of mounting groove 14 and sealing washer 9 is the same with battery compartment body side shape, battery compartment body side is the one side of being connected with apron 10, uses the sealed problem that is easy sealed incomplete and pop out of O shape circle to change day, prescribes a limit to the shape of sealing washer 9, more laminating battery compartment body to reach better sealed effect, then indirectly ensure battery job stabilization nature, improve the life of battery. Meanwhile, in order to further improve the convenience of use, a buckling hand 16 is arranged on one side of the battery compartment body, which is close to the mounting groove 14, and the buckling hand 16 is convenient for the sealing ring 9 to be foolproof mounted and the sealing ring 9 to be taken out.

Meanwhile, an adapter plate 13 used for being connected with a battery is further arranged on the battery compartment body, the adapter plate 13 is electrically connected with the PCB, the adapter plate 13 is a triangular plate, the adapter plate 13 plays a role in transition and switching, the battery needs to be connected with the PCB to realize power supply to the PCB, but the PCB is arranged in the shell 1, the battery is arranged on the side face of the shell 1, and the battery is directly connected with the adapter plate 13 under the condition of inconvenient operation, so that the adapter plate 13 is connected with the adapter plate 13 through the battery, the connection between the battery and the PCB can be realized, and the convenience of operation is improved; meanwhile, convenience in subsequent battery replacement is improved, the PCB inside the shell 1 is not required to be operated, the newly replaced battery is only required to be connected with the adapter plate 13, and the working efficiency is greatly improved. Meanwhile, a handle groove II18 is formed in one side of the cover plate 10, a handle groove I15 is formed in the shell 1, which is close to one side of the battery compartment body, and the cover plate 10 is detached from the battery compartment body through cooperation of the handle groove I15 and the handle groove II 18; when the cover plate 10 is disassembled, hands of operators extend into the buckling hand grooves I15 and then extend into the buckling hand grooves II18, so that the cover plate 10 is tilted to finally disassemble the cover plate 10, the operation is simple and convenient, and the working efficiency is improved.

Example 3

Basically the same as embodiment 2, in order to further improve the convenience of installing each component of the meter reading device, as shown in fig. 2 and 3, the housing 1 includes a rectangular body with an opening, where the opening is detachably connected with the upper cover; the detachable connection mode is convenient for installation and maintenance, and avoids the integral complex operation; specifically, the upper cover is provided with the limit groove 3, the rectangular body is provided with the limit projection 7, and the upper cover and the rectangular body are detachably connected through the cooperation of the limit groove 3 and the limit projection 7, so that the upper cover is firmly connected and is convenient to connect, and the assembly efficiency is improved; meanwhile, the limit groove 3 is arranged, so that the situation that the upper cover is reversely assembled or inverted is avoided, and the installation error is reduced. The upper cover is provided with display screen 4, and the one side that the upper cover is close to casing 1 is provided with a plurality of dislocation preventing post 5, and a accommodation space is formed to a plurality of dislocation preventing post 5, places the PCB board in the accommodation space. Specifically, the upper cover is rectangular structure, sets up dislocation preventing post 5 respectively in four corner positions of rectangle, and four dislocation preventing posts 5 enclose into a accommodation space, place the PCB board in this accommodation space, and the PCB board is used for carrying out the communication with gas table 21 promptly, reads the data of gas table 21 and sends the remote terminal later. Therefore, the fixing of the PCB in the shell 1 is an important operation, the existing PCB is fixed and locked by manually screwing, is easy to slightly shake or move under the influence of the outside, and is easy to cause the deflection of the display screen 4 electrically connected with the PCB; the anti-dislocation posts 5 play a fixed limiting role on different directions of the PCB, and ensure the connection stability of the PCB.

And a guide pipe column 2 is arranged on one surface of the display screen 4 close to the inside of the shell 1, and the guide pipe column 2 and the display screen 4 are integrally formed. The guide pipe column 2 and the display screen 4 are integrally formed through secondary injection molding, the display screen is in a bright state when the display screen 4 displays due to the fact that data acquired by the PCB are displayed through the display screen 4, the display lamp on the PCB is guided to a panel light-transmitting area through light condensation of the guide pipe column 2, light transmission is clearer, light scattering effect is reduced, and the defect that the guide pipe column 2 and the display screen 4 are formed in a split mode and are sealed due to poor combination is avoided, so that the display screen 4 is clear finally. This is illustrated as: the display screen 4 comprises a liquid crystal screen and a glass transparent screen, the liquid crystal screen is electrically connected with the PCB to realize a digital display function, and the glass transparent screen is used for protecting the liquid crystal screen and is convenient for workers to watch data; the glass transparent screen is arranged on the upper cover, the liquid crystal screen is arranged in the shell 1, and the positions of the glass transparent screen and the liquid crystal screen correspond to each other; the catheter shaft 2 is here integrally formed with a glass transparent screen in the display screen 4 and then with the upper cover. Meanwhile, a nut limiting stop rib 6 is arranged on the side edge of the wiring hole, and the nut limiting stop rib 6 is arranged in the shell 1; the wire outlet nut of the shell 1 is clamped and fixed by a wrench, and production staff needs to operate outside and inside the shell 1 to be locked and fixed by two hands, so that the operation is complex and the efficiency is low. The arrangement of the nut limiting stop rib 6 in the utility model enables the outgoing lock head nut at one end of the circuit to be placed on the nut limiting stop rib 6 for fixing and limiting, and production personnel only need to screw the lock head at the other end of the circuit outside the shell 1, thereby avoiding clamping the outgoing lock head nut by using a spanner from the inside of the shell 1, saving working time and improving working efficiency.

The examples of the present utility model are merely for describing the preferred embodiments of the present utility model, and are not intended to limit the spirit and scope of the present utility model, and those skilled in the art should make various changes and modifications to the technical solution of the present utility model without departing from the spirit of the present utility model.

Claims

1. A gas meter reading system comprises a gas meter (21), and a meter reading device connected with the gas meter (21); the method is characterized in that: a sliding rail bracket (20) is fixedly arranged on the gas meter (21), and a sliding groove is formed in the sliding rail bracket (20); the meter reading device is provided with a sliding block, and the sliding connection between the meter reading device and the gas meter (21) is realized through the matching of the sliding block and the sliding groove; and one end of the sliding rail support (20) is provided with a baffle plate, the baffle plate is provided with a mounting hole, and the mounting hole is used for fixedly connecting the sliding rail support (20) with the gas meter (21).

2. A gas meter reading system as claimed in claim 1, wherein: the meter reading device comprises a shell (1), wherein a sliding block is arranged on one side, close to a gas meter (21), of the shell (1), a PCB (printed circuit board) is arranged in the shell (1), a display screen (4) is arranged on the shell (1), the PCB is electrically connected with the display screen (4), wiring holes are formed in the shell (1), and a circuit penetrates through the wiring holes to realize connection of the PCB and the gas meter (21); and a battery compartment for accommodating a battery is arranged on one side of the shell (1).

3. A gas meter reading system as claimed in claim 2, wherein: the battery compartment comprises a battery compartment body and a cover plate (10), a plurality of accommodating cavities are formed in the battery compartment body, and the cover plate (10) is connected with the battery compartment body to seal the battery compartment body; meanwhile, the battery compartment body is provided with a mounting groove (14), a sealing ring (9) is arranged in the mounting groove (14), and sealing between the cover plate (10) and the battery compartment body is achieved through the sealing ring (9).

4. A gas meter reading system according to claim 2 or 3, wherein: the battery compartment body is further provided with an adapter plate (13) used for being connected with a battery, and the adapter plate (13) is electrically connected with the PCB.

5. A gas meter reading system as claimed in claim 2, wherein: the shell (1) comprises a rectangular body with an opening, and the opening is detachably connected with the upper cover; the upper cover is provided with display screen (4), and the one side that the upper cover is close to casing (1) is provided with a plurality of dislocation preventing post (5), and a accommodation space is formed in a plurality of dislocation preventing post (5), places the PCB board in the accommodation space.

6. A gas meter reading system as in claim 5, wherein: the display screen (4) is provided with a guide pipe column (2) on one surface close to the inside of the shell (1), and the guide pipe column (2) and the display screen (4) are integrally formed.

7. A gas meter reading system according to claim 5 or 6, wherein: be provided with spacing recess (3) on the upper cover, be provided with spacing lug (7) on the rectangle body, realize the detachable connection of upper cover and rectangle body through spacing recess (3) and spacing lug (7) cooperation.

8. A gas meter reading system as claimed in claim 2, wherein: the side of walking the line hole is provided with a nut spacing rib (6), and the nut spacing rib (6) is arranged in the shell (1).