Automatic power supply structure for ultrasonic fuel gas indication value error detection

Abstract

The utility model relates to an automatic power supply structure for ultrasonic fuel gas indication value error detection. A driving motor is fixedly arranged at the bottom; the upper mechanism is located at the upper end of the lower mechanism and driven by a driving motor to move up and down; a power supply mechanism; the power supply mechanism is assembled on the upper mechanism and used for supplying power to the ultrasonic gas meter; a power supply receiving mechanism; the upper mechanism is arranged on the base; a charging mechanism; the upper mechanism is assembled on the lower mechanism; the charging mechanism is used for charging the power supply mechanism; when the driving motor drives the upper mechanism to move upwards, the power supply mechanism is connected with the power supply receiving mechanism in a matched mode and used for supplying power to the ultrasonic gas meter. When the driving motor drives the upper mechanism to move downwards, the power supply mechanism is connected with the charging mechanism in a matched mode and used for charging the power supply mechanism. The upper mechanism is simple in structure and ingenious in design, and the action consistency is kept when the upper mechanism is connected with the charging mechanism and the power supply receiving mechanism, so that the human input is reduced, the enterprise cost is reduced, and the enterprise competitiveness is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of ultrasonic gas meter detection devices, in particular to an automatic power supply structure for ultrasonic gas indication value error detection. Background Art

[0002] Indication error detection is a crucial production process for ultrasonic gas meters, which is related to the accurate measurement of ultrasonic gas meters. Ultrasonic gas meters are usually powered by DC regulated power supplies or manually connected to lithium batteries. Employees' work is boring, fingertips are prone to fatigue, labor input costs are high, and product consistency is poor. With the continuous popularization of ultrasonic gas meter technology, market sales have increased significantly. In the current social context of difficulty in recruiting workers and labor shortage, it is urgently needed to complete assembly through automated mechanisms to achieve the transformation of production methods where machines replace people;

[0003] Defects and shortcomings of the existing technology:

[0004] The traditional DC regulated power supply or lithium battery plug-in detection is purely manual operation. On the one hand, the DC regulated power supply has large ripple interference, which affects the measurement accuracy. On the other hand, the battery power supply has disadvantages. The manual plug-in operation is labor-intensive. At the same time, the battery is scrapped or repeatedly charged, the workload is large, the working hours are long, fatigue is easy, the staff turnover is large, the labor cost is high, and the product quality is unstable, which brings inconvenience to use.

[0005] In view of the above problems, it is necessary to improve them. Utility Model Content

[0006] The purpose of the utility model is to provide an ultrasonic gas value error detection automatic power supply structure with a simple structure and ingenious design, which avoids dependence on humans and maintains consistency of action through an automated mechanical structure, thereby reducing manpower investment, lowering enterprise costs, and enhancing enterprise competitiveness.

[0007] In order to achieve the above objectives, the technical solution adopted by the utility model is: an automatic power supply structure for ultrasonic gas indication value error detection, including a lower mechanism; a driving motor is fixedly provided at the bottom of the lower mechanism; an upper mechanism, located at the upper end of the lower mechanism, and moved up and down by the drive of the driving motor; a power supply mechanism; mounted on the upper mechanism for supplying power to the ultrasonic gas meter; a power supply receiving mechanism; located at the upper end of the upper mechanism; a charging mechanism; mounted on the lower mechanism for charging the power supply mechanism; when the driving motor drives the upper mechanism to move upward, the power supply mechanism is adaptably connected to the power supply receiving mechanism for supplying power to the ultrasonic gas meter; when the driving motor drives the upper mechanism to move downward, the power supply mechanism is adaptably connected to the charging mechanism for charging the power supply mechanism.

[0008] As a preferred solution of the utility model, the lower mechanism includes a bottom plate, and the charging mechanism is fixed on the bottom plate; the drive motor is fixed on the bottom of the bottom plate, and the drive shaft of the drive motor passes through the bottom plate to connect to the upper mechanism.

[0009] As a preferred solution of the utility model, two guide cylinders are fixedly provided on the base plate, and a guide rod is movably connected inside the guide cylinder. The top end of the guide rod passes through the outside of the base plate and is connected to the upper mechanism; the bottom end of the guide rod extends to the outside of the guide cylinder and is connected through a connecting piece.

[0010] As a preferred solution of the utility model, the charging mechanism includes a plurality of first copper columns arranged on a bottom plate, a first circuit board is mounted on the first copper columns, a charging probe and a charging socket are arranged on the first circuit board; a charging external interface and a charging socket are formed on the charging socket.

[0011] As a preferred solution of the utility model, a plurality of limit nuts are fixedly provided at the bottom of the upper mechanism, a limit plate is arranged on the bottom of the plurality of limit nuts, a probe sleeve adapted to the charging probe is arranged at the bottom of the limit plate, a charging connection seat adapted to the charging socket is arranged on the limit plate, and a charging connection port and a charging plug block are formed on the charging connection seat; wherein, the charging plug block passes through the limit plate; and the charging connection port is connected to the power supply mechanism through a charging cable.

[0012] As a preferred solution of the utility model, the upper mechanism includes a top plate, and the power supply mechanism is fixedly arranged on the top plate.

[0013] As a preferred solution of the utility model, a plurality of nylon pads are fixedly provided on the top plate, and the plurality of nylon pads are arranged on the outside of the top plate, and a spacing is left between the top of the nylon pads and the power supply receiving mechanism. When the driving motor drives the plurality of nylon pads on the top plate to move upward, the top of the nylon pads abuts against the power supply receiving mechanism, and the power supply mechanism is adaptably connected with the power supply receiving mechanism.

[0014] As a preferred solution of the utility model, the power supply mechanism includes a lithium battery, a plurality of second copper columns arranged on the top plate, a second circuit board is mounted on the second copper columns, a power supply probe and a power supply socket are arranged on the second circuit board; a power supply external interface is formed on the power supply socket; the power supply external interface is connected to the lithium battery through a power supply line.

[0015] As a preferred solution of the utility model, the power supply receiving mechanism includes a tray rack and a base; the tray rack has a storage platform, the base is located above the storage platform, and a plurality of base meter fixtures are arranged on the base, and a limiting cavity for placing an ultrasonic gas meter is formed between the plurality of base meter fixtures.

[0016] As a preferred solution of the utility model, the power supply receiving mechanism also includes a base table tooling plate, the base table tooling plate is close to the side of the base table fixture, and an infrared communication device and a power supply communication connection device are arranged on the base table tooling plate.

[0017] As a preferred solution of the utility model, a through hole is formed on the base, and a PCB fixing column is installed in the through hole; the PCB fixing column is located at the connection between the base and the base meter tooling plate, and a PCB board is installed at the bottom of the PCB fixing column, and a plurality of pin holes compatible with the power supply probe are provided at the bottom of the PCB board; the PCB board is electrically connected to the infrared communication device, the power supply communication connection device and the ultrasonic gas meter power supply connector.

[0018] As a preferred solution of the utility model, the top of the base meter fixture has a guiding slope that gradually decreases along the insertion direction of the ultrasonic gas meter, and the guiding slope is located at one end of the base meter fixture relatively close to the limiting cavity.

[0019] The beneficial effects of the utility model are:

[0020] 1. The utility model has a simple structure. By setting a driving motor, which can be a driving cylinder, the upper mechanism is driven to move up and down by the driving motor. The design is ingenious, and the consistency of the action is achieved when the upper mechanism is connected with the charging mechanism and the power receiving mechanism, thereby reducing manpower investment, reducing enterprise costs, and enhancing enterprise competitiveness.

[0021] 2. The utility model is cleverly designed and has an upper mechanism. The rise and fall of the upper mechanism are precisely positioned by a driving motor. When the driving motor drives the upper mechanism to move downward, the probe sleeve and the charging plug block on the upper mechanism move downward, the probe sleeve is adaptably connected to the charging probe, and the charging plug block is adaptably connected to the charging plug interface, so as to charge the lithium battery. The charging is completed during the production waiting interval, and the charging does not occupy the effective production working hours, thereby realizing non-inductive fast charging and avoiding manual intervention in charging. When the driving motor drives the upper mechanism to move upward, the driving motor drives the power supply probe on the top plate to move upward, so that the power supply probe is in contact with the pin hole, and the ultrasonic gas meter is powered by the lithium battery connected through the power supply probe. The action consistency is good and no manual intervention is required. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a front view of an embodiment of the utility model;

[0023] Figure 2 It is a schematic diagram of the structure of an embodiment of the utility model;

[0024] Figure 3 It is a structural schematic diagram of the mechanism under the embodiment of the utility model;

[0025] Figure 4This is a schematic diagram of the structure of the charging mechanism of an embodiment of the utility model;

[0026] Figure 5 This is a diagram of the use state of the mechanism in the embodiment of the utility model;

[0027] Figure 6 It is a structural schematic diagram of the mechanism in the embodiment of the utility model;

[0028] Figure 7 This is a diagram of the use state of the power supply receiving mechanism of the embodiment of the utility model;

[0029] Figure 8 This is a schematic diagram of the structure of the power supply receiving mechanism of the embodiment of the utility model;

[0030] Fig. 9 This is a schematic diagram of the structure of an embodiment of the utility model without the power supply receiving mechanism of the tray rack;

[0031] Fig.10 This is a schematic diagram of the structure of the power supply receiving mechanism without the tray rack and the base in the embodiment of the utility model;

[0032] Fig.11 This is a schematic diagram of the structure of the limiting cavity of an embodiment of the utility model;

[0033] Fig.12 This is a schematic structural diagram of a tray rack according to an embodiment of the utility model;

[0034] Fig.13 This is a schematic diagram of the structure of a nylon cushion column according to an embodiment of the utility model;

[0035] Description of the accompanying drawings: ultrasonic gas meter power supply connector 1, power supply receiving mechanism 2, ultrasonic gas meter 3, guide slope 4, lower mechanism 5, power supply mechanism 6, drive motor 7, upper mechanism 8, charging mechanism 9, infrared communication device 10, power supply and communication connection device 11, nylon pad column 12, tray rack 20, base 21, storage platform 22, base meter fixture 23, limit cavity 24, base meter tooling plate 25, through hole 26, PCB fixing column 27, PCB board 28, pin hole 29, bottom plate 50, guide cylinder 5 1, guide rod 52, connector 53, lithium battery 60, second copper column 61, second circuit board 62, power supply probe 63, power supply socket 64, power supply external interface 65, power supply line 66, drive shaft 70, limit nut 80, limit plate 81, probe sleeve 82, charging connection socket 83, charging connection port 84, charging plug block 85, charging line 86, top plate 87, first copper column 90, first circuit board 91, charging probe 92, charging socket 93, charging external interface 94, charging socket 95. DETAILED DESCRIPTION

[0036] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] Example:

[0039] like Figure 1-2 As shown, Figure 1 It is a front view of an embodiment of the utility model; Figure 2 It is a structural schematic diagram of an embodiment of the utility model. Specifically, the automatic power supply structure for ultrasonic gas indication value error detection includes a lower mechanism 5; a driving motor 7 is fixedly provided at the bottom thereof; an upper mechanism 8, which is located at the upper end of the lower mechanism 5 and moves up and down by the drive of the driving motor 7; a power supply mechanism 6; which is mounted on the upper mechanism 8 and is used to supply power to the ultrasonic gas meter 3; a power supply receiving mechanism 2; which is located at the upper end of the upper mechanism 8; a charging mechanism 9; which is mounted on the lower mechanism 5 and is used to charge the lithium battery 60 of the power supply mechanism 6; when the driving motor 7 drives the upper mechanism 8 to move upward, the power supply mechanism 6 is adapted to be connected with the power supply receiving mechanism 2 to supply power to the ultrasonic gas meter 3; when the driving motor 7 drives the upper mechanism 8 to move downward, the power supply mechanism 6 is adapted to be connected with the charging mechanism 9 to charge the power supply mechanism 6.

[0040] The utility model is provided with a driving motor, which can be a driving cylinder, and drives the upper mechanism to move up and down through the driving motor. The design is ingenious and the consistency of the action of the upper mechanism when connected with the charging mechanism and the power supply receiving mechanism is achieved, thereby reducing manpower investment, reducing enterprise costs, and improving enterprise competitiveness.

[0041] The utility model is provided with an upper mechanism 8; the rise and fall of the upper mechanism 8 are precisely positioned by the driving motor. When the driving motor 7 drives the upper mechanism 8 to move downward, the probe sleeve 82 and the charging plug block 85 on the upper mechanism 8 move downward, the probe sleeve 82 is adapted to be connected with the charging probe 92, the charging plug block 85 is adapted to be connected with the charging plug interface 95, and the charging external interface 94 is connected with an external power supply (not shown in the figure), so as to charge the lithium battery 60, and the charging is completed during the production waiting interval time. The charging does not occupy the effective production working hours, and the non-inductive fast charging is realized, and the manual intervention in the charging is avoided; when the driving motor 7 drives the upper mechanism 8 to move upward, the driving motor 7 drives the power supply probe 63 on the top plate 87 to move upward, so that the power supply probe 63 is abutted against the pin hole 29, and the ultrasonic gas meter 3 is powered by the lithium battery 60 through the power supply probe 63. The action consistency is good and no manual intervention is required.

[0042] like Figure 3 As shown, Figure 3 It is a structural schematic diagram of the lower mechanism of an embodiment of the utility model; specifically, the lower mechanism 5 includes a base plate 50, and the charging mechanism 9 is fixed on the base plate 50; the driving motor 7 is fixed at the bottom of the base plate 50, and the driving shaft 70 of the driving motor 7 passes through the base plate 50 to connect to the upper mechanism 8.

[0043] Two guide cylinders 51 are fixedly provided on the base plate 50, and the guide cylinders 51 are movably connected inside with guide rods 52, and the top ends of the guide rods 52 pass through the outside of the base plate 50 and are connected to the upper mechanism 8; the bottom ends of the guide rods 52 extend to the outside of the guide cylinders 51 and are connected through connectors 53; by arranging the cooperation between the guide cylinders 51 and the guide rods 52, the upper mechanism 8 has better stability in its up and down movement, thereby ensuring the stability of the connection between the power supply mechanism 6 on the upper mechanism 8 and the power supply receiving mechanism 2 and the charging mechanism 9.

[0044] like Figure 4 As shown, Figure 4 It is a structural schematic diagram of the charging mechanism of an embodiment of the utility model.

[0045] Specifically, the charging mechanism 9 includes a plurality of first copper pillars 90 arranged on the base plate 50, a first circuit board 91 is mounted on the first copper pillars 90, a charging probe 92 and a charging socket 93 are arranged on the first circuit board 91; a charging external interface 94 and a charging socket 95 are formed on the charging socket 93.

[0046] like Figure 5 As shown, Figure 5 This is a diagram of the use state of the mechanism in the embodiment of the utility model;

[0047] Specifically, a plurality of limit nuts 80 are fixedly provided at the bottom of the upper mechanism 8, a limit plate 81 is arranged at the bottom of the plurality of limit nuts 80, a probe sleeve 82 adapted to the charging probe 92 is arranged at the bottom of the limit plate 81, a charging connector 83 adapted to the charging socket 93 is arranged on the limit plate 81, and a charging connector port 84 and a charging connector block 85 are formed on the charging connector 83; wherein, the charging connector block 85 passes through the limit plate 81; the charging connector port 84 is connected to the power supply mechanism 6 through a charging line 86.

[0048] like Figure 6 As shown, Figure 6 It is a structural schematic diagram of the mechanism in the embodiment of the utility model;

[0049] Specifically, the upper mechanism 8 includes a top plate 87, and the power supply mechanism 6 is fixed on the top plate 87; the power supply mechanism 6 includes a lithium battery 60, and a plurality of second copper pillars 61 are arranged on the top plate 87, and a second circuit board 62 is mounted on the second copper pillars 61, and a power supply probe 63 and a power supply socket 64 are arranged on the second circuit board 62; a power supply external interface 65 is formed on the power supply socket 64; the power supply external interface 65 is connected to the lithium battery 60 through a power supply line 66.

[0050] like Figure 7-12 As shown, Figure 7 This is a diagram of the use state of the power supply receiving mechanism of the embodiment of the utility model; Figure 8 This is a schematic diagram of the structure of the power supply receiving mechanism of the embodiment of the utility model; Fig. 9 This is a schematic diagram of the structure of an embodiment of the utility model without the power supply receiving mechanism of the tray rack; Fig.10 This is a schematic diagram of the structure of the power supply receiving mechanism without the tray rack and the base in the embodiment of the utility model; Fig.11 This is a schematic diagram of the structure of the limiting cavity of an embodiment of the utility model; Fig.12 It is a schematic structural diagram of a tray rack according to an embodiment of the utility model.

[0051] The power supply receiving mechanism 2 includes a tray rack 20 and a base 21; the tray rack 20 is fixed by a bracket (not shown in the figure), and the tray rack 2 only needs to be assembled on the upper end of the top plate 87. The tray rack 20 has a storage platform 22, and the base 21 is located above the storage platform 22. A plurality of base meter fixtures 23 are arranged on the base 21, and a limiting cavity 24 for placing the ultrasonic gas meter 3 is formed between the plurality of base meter fixtures 23; the limiting cavity 24 formed by the plurality of base meter fixtures 23 makes the placement of the ultrasonic gas meter 3 more stable, thereby ensuring the safety of the use of the ultrasonic gas meter 3. At the same time, the storage platform 22 also has the function of supporting the base 21 and the ultrasonic gas meter 3; in other words, when the ultrasonic gas meter 3 is powered, the base 21 is placed on the storage platform 22.

[0052] The top of the base meter fixture 23 has a guide slope 4 that gradually narrows along the insertion direction of the ultrasonic gas meter 3. The guide slope 4 is located at one end of the base meter fixture 23 that is relatively close to the limit cavity 24. By setting the guide slope 4, a guide is provided for the assembly of the ultrasonic gas meter 3, thereby improving the assembly efficiency.

[0053] The power supply receiving mechanism 2 further includes a base table tooling plate 25 , which is located close to one side of the base table fixture 23 , and on which an infrared communication device 10 and a power supply communication connection device 11 are arranged.

[0054] A through hole 26 is formed on the base 21, and a PCB fixing column 27 is assembled in the through hole 26; the PCB fixing column 27 is located at the connection between the base 21 and the base meter tooling plate 25, and a PCB board 28 is installed at the bottom of the PCB fixing column 27. The bottom of the PCB board 28 is provided with a plurality of pin holes 29 compatible with the power supply probe 63; the PCB board 28 is electrically connected to the infrared communication device 10, the power supply communication connection device 11 and the ultrasonic gas meter power supply connector 1.

[0055] During use, when the driving motor 7 drives the upper mechanism 8 to move upward, the power supply mechanism 6 is adapted to be connected with the power supply receiving mechanism 2 to supply power to the ultrasonic gas meter 3; specifically, the driving motor 7 drives the power supply probe 63 on the top plate 87 to move upward, so that the power supply probe 63 abuts against the pin hole 29, and the lithium battery 60 is connected through the power supply probe 63 to supply power to the ultrasonic gas meter 3.

[0056] like Fig.13 As shown, Fig.13 It is a schematic diagram of the structure of the nylon pad column of the embodiment of the utility model; specifically, a plurality of nylon pad columns 12 are fixedly provided on the top plate 87, and the plurality of nylon pad columns 12 are arranged on the outer side of the top plate 87, and a spacing is left between the top of the nylon pad column 12 and the power supply receiving mechanism 2. When the driving motor 7 drives the plurality of nylon pad columns 12 on the top plate 87 to move upward, the power supply mechanism 6 and the power supply receiving mechanism 2 are adapted and connected. At the same time, the top of the nylon pad column 12 abuts against the power supply receiving mechanism 2, thereby ensuring the safety of the connection between the power supply mechanism 6 and the power supply receiving mechanism 2. Moreover, the material of the nylon pad column 12 is relatively soft, and after long-term use, it will not cause impact to the power supply receiving mechanism 2, thereby extending its service life.

[0057] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention; various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention; therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

[0058] Although this article uses more figure marks in the figure: ultrasonic gas meter power supply connector 1, power supply receiving mechanism 2, ultrasonic gas meter 3, guide slope 4, lower mechanism 5, power supply mechanism 6, drive motor 7, upper mechanism 8, charging mechanism 9, infrared communication device 10, power supply communication connection device 11, nylon pad column 12, tray rack 20, base 21, storage platform 22, base meter fixture 23, limit cavity 24, base meter tooling plate 25, through hole 26, PCB fixing column 27, PCB board 28, pin hole 29, bottom plate 50, guide cylinder 51, guide rod 52, connector 53, lithium battery 60, second copper column 61, second circuit board 62 , power supply probe 63, power supply socket 64, power supply external interface 65, power supply line 66, drive shaft 70, limit nut 80, limit plate 81, probe sleeve 82, charging connection socket 83, charging connection port 84, charging plug block 85, charging line 86, top plate 87, first copper column 90, first circuit board 91, charging probe 92, charging socket 93, charging external interface 94, charging socket 95 and other terms, but does not exclude the possibility of using other terms; these terms are used only to more conveniently describe and explain the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. Ultrasonic gas indication value error detection automatic power supply structure, characterized by: include The lower mechanism (5) has a driving motor (7) fixedly disposed at the bottom thereof; The upper mechanism (8) is located at the upper end of the lower mechanism (5) and is driven by the driving motor (7) to move up and down; A power supply mechanism (6) mounted on the upper mechanism (8) and used to supply power to the ultrasonic gas meter (3); A power supply receiving mechanism (2) is located at the upper end of the upper mechanism (8); A charging mechanism (9); mounted on the lower mechanism (5); and used to charge the power supply mechanism (6); When the driving motor (7) drives the upper mechanism (8) to move upward, the power supply mechanism (6) is adapted to be connected with the power supply receiving mechanism (2) to supply power to the ultrasonic gas meter (3); When the driving motor (7) drives the upper mechanism (8) to move downward, the power supply mechanism (6) is adaptively connected to the charging mechanism (9) to charge the power supply mechanism (6).

2. The automatic power supply structure for ultrasonic gas indication value error detection according to claim 1 is characterized in that: The lower mechanism (5) comprises a bottom plate (50), and the charging mechanism (9) is fixedly arranged on the bottom plate (50); the driving motor (7) is fixedly arranged at the bottom of the bottom plate (50), and the driving shaft (70) of the driving motor (7) passes through the bottom plate (50) and is connected to the upper mechanism (8).

3. The automatic power supply structure for ultrasonic gas indication value error detection according to claim 2 is characterized in that: Two guide cylinders (51) are fixedly provided on the bottom plate (50), and guide rods (52) are movably connected inside the guide cylinders (51). The top ends of the guide rods (52) penetrate the outside of the bottom plate (50) and are connected to the upper mechanism (8); the bottom ends of the guide rods (52) extend to the outside of the guide cylinders (51) and are connected via a connecting piece (53).

4. The automatic power supply structure for ultrasonic gas indication value error detection according to claim 1 or 2, characterized in that: The charging mechanism (9) comprises a plurality of first copper pillars (90) arranged on a bottom plate (50); a first circuit board (91) is mounted on the first copper pillars (90); a charging probe (92) and a charging socket (93) are arranged on the first circuit board (91); and a charging external interface (94) and a charging socket (95) are formed on the charging socket (93).

5. The automatic power supply structure for ultrasonic gas indication value error detection according to claim 3 is characterized in that: A plurality of limit nuts (80) are fixedly arranged at the bottom of the upper mechanism (8), a limit plate (81) is arranged at the bottom of the plurality of limit nuts (80), a probe sleeve (82) adapted to the charging probe (92) is arranged at the bottom of the limit plate (81), a charging connection seat (83) adapted to the charging socket (93) is arranged on the limit plate (81), a charging connection port (84) and a charging plug block (85) are formed on the charging connection seat (83); wherein the charging plug block (85) passes through the limit plate (81); and the charging connection port (84) is connected to the power supply mechanism (6) via a charging line (86).

6. The automatic power supply structure for ultrasonic gas indication value error detection according to claim 5 is characterized in that: The upper mechanism (8) comprises a top plate (87), and the power supply mechanism (6) is fixedly mounted on the top plate (87); the power supply mechanism (6) comprises a lithium battery (60), a plurality of second copper pillars (61) arranged on the top plate (87), a second circuit board (62) being mounted on the second copper pillars (61), and a power supply probe (63) and a power supply socket (64) being arranged on the second circuit board (62); a power supply external interface (65) is formed on the power supply socket (64); and the power supply external interface (65) is connected to the lithium battery (60) via a power supply line (66).

7. The automatic power supply structure for ultrasonic gas indication value error detection according to claim 1 is characterized in that: The power supply receiving mechanism (2) comprises a tray frame (20) and a base (21); the tray frame (20) has a storage platform (22), the base (21) is located above the storage platform (22), a plurality of base meter fixtures (23) are arranged on the base (21), and a limiting cavity (24) for placing the ultrasonic gas meter (3) is formed between the plurality of base meter fixtures (23).

8. The automatic power supply structure for ultrasonic gas indication value error detection according to claim 7 is characterized in that: The power supply receiving mechanism (2) further comprises a base table tooling plate (25), the base table tooling plate (25) being located on a side close to the base table fixture (23), and an infrared communication device (10) and a power supply communication connection device (11) being arranged on the base table tooling plate (25).

9. The automatic power supply structure for ultrasonic gas indication value error detection according to claim 7 is characterized in that: The base (21) is formed with a through hole (26), and a PCB fixing column (27) is mounted in the through hole (26); the PCB fixing column (27) is located at the connection between the base (21) and the base meter tooling plate (25), a PCB board (28) is mounted at the bottom of the PCB fixing column (27), and a plurality of pin holes (29) compatible with the power supply probe (63) are provided at the bottom of the PCB board (28); the PCB board (28) is electrically connected to the infrared communication device (10), the power supply communication connection device (11) and the ultrasonic gas meter power supply connector (1).

10. The automatic power supply structure for ultrasonic gas indication value error detection according to claim 7, characterized in that: The top of the base meter fixture (23) has a guide slope (4) that gradually decreases along the insertion direction of the ultrasonic gas meter (3), and the guide slope (4) is located at an end of the base meter fixture (23) that is relatively close to the limiting cavity (24).

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