A dual-power multi-stage power supply ultrasonic gas meter

Abstract

The invention discloses an ultrasonic gas meter with dual power supply and multi-stage power supply, including a rectangular shell, an air inlet, an air outlet, a rotating buckle, a counting wheel, a tempered glass, a liquid crystal display, a power interface, a protective cover, a card slot, a battery slot, a sealing layer, a battery cover, a rubber pad, a fastening screw, a threaded copper column and a long rod screw. The beneficial effect of the invention is that a rotating bearing is provided on the rotating buckle, and it is symmetrically connected to the left and right sides of the air inlet and the air outlet respectively, and the rotating buckle is a buckle made of stainless steel, which ensures that the gas meter is tightly connected to the external pipeline and the external pipeline is completely fixed, reducing safety hazards, and the top of the battery cover is provided with a screw hole, and the diameter of the screw hole is larger than the fastening screw, so that the battery in the battery slot can be replaced conveniently and quickly.

Description

Technical Field

[0001] The invention relates to an ultrasonic gas meter, in particular to an ultrasonic gas meter with dual power supplies and multiple stages, belonging to the technical field of ultrasonic gas meters. Background Art

[0002] At present, the ultrasonic gas meters in China mainly include IC card ultrasonic gas meters, CPU card ultrasonic gas meters, radio frequency card ultrasonic gas meters, direct reading remote gas meters (wired remote gas meters) and wireless remote gas meters (Jicheng). With the improvement of people's living standards and quality of life, the demand for intelligent products required by modern families will prompt ultrasonic gas meters to develop in the direction of safety, reliability, intelligence and convenience. Ordinary household membrane gas meters are difficult to charge, have high labor costs for meter readers, and cannot truly monitor gas theft. This has continuously increased the operating costs of gas companies and brought many troubles to operation and management. Therefore, since 1995, various ultrasonic gas meters have gradually appeared on the market in order to solve the headaches encountered by gas companies in their operations. IC card meters, CPU card ultrasonic gas meters, wired remote gas meters, wireless remote gas meters, network infrared digital gas meters and other varieties have appeared one after another.

[0003] At present, although various ultrasonic gas meters emerge in an endless stream, generally speaking, most of them have some common problems. First, there is no rotating buckle, which causes the gas meter to be not tightly connected to the external pipeline and cannot completely fix the external pipeline, causing certain safety hazards. Second, the existing ultrasonic gas meter is not provided with a protective cover, resulting in a certain inability to protect the docking interface of the external power supply. Third, the battery slot and battery cover of the existing ultrasonic gas meter have no adhesive sealing layer, resulting in the inability to achieve a sealing effect inside the battery slot, resulting in serious rust inside the battery slot after long-term use. Summary of the invention

[0004] The purpose of the present invention is to provide an ultrasonic gas meter with dual power supply and multi-stage power supply in order to solve the above problems.

[0005] The present invention achieves the above-mentioned purpose through the following technical solutions: an ultrasonic gas meter with dual power supply and multi-stage power supply, comprising a rectangular shell, an air inlet, an air outlet, a rotating buckle, a counting wheel, a tempered glass, a liquid crystal display, a power interface, a protective cover, a card slot, a battery slot, a sealing layer, a battery cover, a rubber pad, a fastening screw, a threaded copper column and a long rod screw; the rectangular shell of the cuboid constitutes the main structure and internal space of the ultrasonic gas meter with dual power supply and multi-stage power supply, the cylindrical air inlet and the air outlet are welded to the top of the rectangular shell in a left-right symmetrical manner, the rotating buckle is rotatably connected to the two sides of the air inlet and the air outlet through a rotating nut, the counting wheel is rotatably connected to the counting element inside the rectangular shell, and the tempered glass is Hot melt glue is glued on the top of the counting wheel, the liquid crystal display screen is glued on the bottom of the tempered glass by hot melt glue, the copper cast rectangular power interface is welded on the right side of the rectangular shell, the protective cover is glued on the power interface by hot melt glue, the card slot is embedded below the liquid crystal display screen, the battery slot is glued on the back of the rectangular shell by hot melt glue, the sealing layer is tightly wrapped on the inner wall of the battery slot, the rectangular battery cover is fastened to the battery slot by fastening screws, the rubber pad is glued on the battery cover by hot melt glue, the fastening screws penetrate the battery cover and are symmetrically arranged at the top of the battery cover in an up-down and left-right manner, the threaded copper column is welded at the top of the battery slot, and the long rod screw fastens the rectangular shell into a whole.

[0006] Preferably, in order to ensure that the gas meter is tightly connected to the external pipeline and the external pipeline is completely fixed to reduce safety hazards, a rotating bearing is provided on the rotating buckle, and it is symmetrically rotatably connected to the left and right sides of the air inlet and outlet, and the rotating buckle is made of stainless steel.

[0007] Preferably, in order to fix the card inserted into the device, a layer of insulating pad is bonded to the upper and lower sides of the card insertion port respectively by hot melt adhesive, and the interior of the card insertion port is electrically connected to the corresponding unit by a wire.

[0008] Preferably, in order to provide certain protection at the docking interface of the external power supply, the power interface is an interface made of a high-purity copper material, and the protective cover is a protective device made of an insulating rubber, and the diameter of the protective cover is larger than the power interface.

[0009] Preferably, in order to achieve a sealing effect inside the battery slot and prevent serious rust inside the battery slot after long-term use, the sealing layer and rubber pad are both dense, insulating and high-temperature resistant rubber products, and are respectively bonded to corresponding positions by high-strength hot-melt adhesive.

[0010] Preferably, in order to facilitate quick and easy replacement of the battery in the battery slot, a screw hole is provided at the top of the battery cover, and the diameter of the screw hole is larger than the fastening screw.

[0011] The beneficial effects of the present invention are as follows: the dual-power multi-stage power supply ultrasonic gas meter is reasonably designed, a rotating bearing is provided on the rotating buckle, and the rotating bearing is symmetrically rotatably connected to the left and right sides of the air inlet and the air outlet, and the rotating buckle is a buckle made of stainless steel, which ensures that the gas meter is tightly connected to the external pipeline and the external pipeline is completely fixed, reducing safety hazards, the upper and lower sides of the card insertion port are respectively bonded with a layer of insulating pad by hot melt adhesive, and the inside of the card insertion port is electrically connected to the corresponding unit by a wire to fix the card inserted into the device, and the power interface is a high-purity copper material. The interface is made of material, and the protective cover is a protective device made of insulating rubber, and the diameter of the protective cover is larger than the power interface, so as to provide certain protection at the docking interface of the external power supply. The sealing layer and the rubber pad are both dense, insulating and high-temperature resistant rubber products, and they are respectively bonded to corresponding positions by high-strength hot-melt adhesive to achieve a sealing effect inside the battery slot to prevent serious rust inside the battery slot after long-term use. A screw hole is provided at the top of the battery cover, and the diameter of the screw hole is larger than the fastening screw, so that the battery in the battery slot can be replaced quickly and conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the present invention;

[0013] Figure 2 It is a schematic diagram of the back of the present invention;

[0014] Figure 3 It is a schematic diagram of a battery cover of the present invention.

[0015] In the figure: 1. rectangular shell, 2. air inlet, 3. air outlet, 4. rotating buckle, 5. counting wheel, 6. tempered glass, 7. LCD display, 8. power interface, 9. protective cover, 10. card slot, 11. battery slot, 12. sealing layer, 13. battery cover, 14. rubber pad, 15. fastening screw, 16. threaded copper column and 17. long rod screw. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] See also Figures 1 to 3, a dual-power multi-stage ultrasonic gas meter, comprising a rectangular shell 1, an air inlet 2, an air outlet 3, a rotating buckle 4, a counting wheel 5, a tempered glass 6, a liquid crystal display 7, a power interface 8, a protective cover 9, a card slot 10, a battery slot 11, a sealing layer 12, a battery cover 13, a rubber pad 14, a fastening screw 15, a threaded copper column 16 and a long rod screw 17; the rectangular shell 1 of the cuboid constitutes the main structure and internal space of the dual-power multi-stage ultrasonic gas meter, the cylindrical air inlet 2 and the air outlet 3 are welded to the top of the rectangular shell 1 in a bilaterally symmetrical manner, the rotating buckle 4 is rotatably connected to the two sides of the air inlet 2 and the air outlet 3 through a rotating nut, the counting wheel 5 is rotatably connected to the counting element inside the rectangular shell 1, and the tempered glass 6 is glued to the top of the counting wheel 5 by hot melt adhesive. The LCD screen 7 is bonded to the bottom of the tempered glass 6 by hot melt adhesive, the copper cast rectangular power interface 8 is welded to the right side of the rectangular shell 1, the protective cover 9 is bonded to the power interface 8 by hot melt adhesive, the card slot 10 is embedded below the LCD screen 7, the battery slot 11 is bonded to the back of the rectangular shell 1 by hot melt adhesive, the sealing layer 12 is tightly wrapped on the inner wall of the battery slot 11, the rectangular battery cover 13 is fastened to the battery slot 11 by fastening screws 15, the rubber pad 14 is bonded to the battery cover 13 by hot melt adhesive, the fastening screws 15 penetrate the battery cover 13 and are symmetrically arranged at the top of the battery cover 13, the threaded copper column 16 is welded at the top of the battery slot 11, and the long rod screw 17 fastens the rectangular shell 1 into a whole.

[0018] The rotating buckle 4 is provided with a rotating bearing, and is symmetrically rotatably connected to the left and right sides of the air inlet 2 and the air outlet 3, respectively. The rotating buckle 4 is a buckle made of stainless steel, which ensures that the gas meter is tightly connected to the external pipeline and the external pipeline is completely fixed to reduce safety hazards. The upper and lower sides of the card insertion port 10 are respectively bonded with a layer of insulating pads by hot melt adhesive, and the inside of the card insertion port 10 is electrically connected to the corresponding unit through a wire to fix the card inserted into the device. The power interface 8 is an interface made of high-purity copper material, and the protective cover 9 is a The protective device is made of insulating rubber, and the diameter of the protective cover 9 is larger than the power interface 8, so as to provide certain protection at the docking interface of the external power supply. The sealing layer 12 and the rubber pad 14 are both dense, insulating and high-temperature resistant rubber products, and they are respectively bonded to corresponding positions by high-strength hot-melt adhesive, so that the inside of the battery slot 11 can be sealed to prevent serious rust inside the battery slot after long-term use. The top of the battery cover 13 is provided with a screw hole, and the diameter of the screw hole is larger than the fastening screw 15, so that the battery in the battery slot 11 can be replaced quickly and conveniently.

[0019] Working principle: When using the dual-power multi-stage powered ultrasonic gas meter, first dock the air inlet 2 and the air outlet 3 with the corresponding external pipes respectively and buckle the rotating buckle 4 on the pipe to ensure that the gas meter is tightly docked with the external pipe and the external pipe is completely fixed to reduce safety hazards. Then dock the external power supply with the power interface 8 and cover the protective cover 9 at the interface to provide certain protection for the docking interface of the external power supply. Then place the battery in the battery slot 11 and then fasten the battery cover 13 to the battery slot 11 with the fastening screws 15.

[0020] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0021] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An ultrasonic gas meter with dual power supply and multi-stage power supply, characterized in that: The invention comprises a rectangular shell (1), an air inlet (2), an air outlet (3), a rotating buckle (4), a counting wheel (5), a tempered glass (6), a liquid crystal display (7), a power interface (8), a protective cover (9), a card slot (10), a battery slot (11), a sealing layer (12), a battery cover (13), a rubber pad (14), a fastening screw (15), a threaded copper column (16) and a long rod screw (17); the rectangular shell (1) of the rectangular parallelepiped constitutes the main structure and internal space of the dual-power multi-stage power supply ultrasonic gas meter; the cylindrical air inlet (2) and the air outlet (3) are welded to the top of the rectangular shell (1) in a bilaterally symmetrical manner; the rotating buckle (4) is connected to the top of the rectangular shell (1) through the rotating buckle (4). The counting wheel (5) is rotatably connected to the counting element inside the rectangular housing (1) by rotating nuts, the tempered glass (6) is bonded to the top of the counting wheel (5) by hot melt adhesive, the liquid crystal display screen (7) is bonded to the bottom of the tempered glass (6) by hot melt adhesive, the copper-cast rectangular power interface (8) is welded to the right side of the rectangular housing (1), the protective cover (9) is bonded to the power interface (8) by hot melt adhesive, the card insertion port (10) is embedded below the liquid crystal display screen (7), the battery slot (11) is bonded to the back of the rectangular housing (1) by hot melt adhesive, and the sealing layer (12) is tightly The battery cover (13) is tightly wrapped on the inner wall of the battery slot (11); the rectangular battery cover (13) is fastened to the battery slot (11) by a fastening screw (15); the rubber pad (14) is bonded to the battery cover (13) by a hot melt adhesive; the fastening screw (15) penetrates the battery cover (13) and is symmetrically arranged at the top of the battery cover (13); the threaded copper column (16) is welded to the top of the battery slot (11); the long rod screw (17) fastens the rectangular shell (1) into a whole; the rotating buckle (4) is provided with a rotating bearing, and is symmetrically connected to the left and right sides of the air inlet (2) and the air outlet, and the rotating buckle (4) is The buckle is made of stainless steel; the upper and lower sides of the card insertion port (10) are respectively bonded with a layer of insulating pad by hot melt adhesive, and the inside of the card insertion port (10) is electrically connected to the corresponding unit by a wire; the power interface (8) is an interface made of a high-purity copper material, and the protective cover (9) is a protective device made of insulating rubber, and the diameter of the protective cover (9) is larger than the power interface (8); the sealing layer (12) and the rubber pad (14) are both a dense insulating and high-temperature resistant rubber product, and are respectively bonded to corresponding positions by high-strength hot melt adhesive; the top of the battery cover plate (13) is provided with a screw hole, and the diameter of the screw hole is larger than the fastening screw (15);When using the dual-power multi-stage ultrasonic gas meter, first dock the air inlet and outlet with the corresponding external pipes respectively and buckle the rotating buckle on the pipe to ensure that the gas meter and the external pipe are tightly docked and the external pipe is completely fixed to reduce safety hazards. Then dock the external power supply with the power interface and cover the interface with the protective cover to protect the docking interface of the external power supply to a certain extent. Then put the battery into the battery slot and fasten the battery cover to the battery slot with the fastening screws. ;

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