Electrical safety and alternating current and direct current electric quantity high-precision integrated metering instrument

By designing an integrated structure for the body and base, the shortcomings of existing AC/DC power metering instruments in terms of wire connection and interface protection are solved, achieving stable fixing and safe connection of wires, and improving the ease of installation and safety of the metering instrument.

CN121784339APending Publication Date: 2026-04-03郑州市产品质量检验检测中心
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-01-29
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

Existing AC/DC power metering instruments have shortcomings in terms of wire connection and interface protection. They are susceptible to environmental corrosion and poor contact, and there are safety hazards during maintenance, making it difficult to meet the requirements of high-precision metering and safety protection.

Method used

An integrated electrical safety and AC/DC power metering instrument comprising a body and a base was designed. The instrument uses a movable cover, slider, connecting rod, and limiting strip to reliably fix the wires. Combined with the adsorption function of the base, the instrument ensures that the wires are not easily detached or damaged, thus improving the ease of installation and safety of the equipment.

Benefits of technology

It achieves stable connection and reliable fixation of the wires, avoids damage to the wires due to pulling during maintenance, improves the structural stability and safety of the measuring instrument, and meets the needs of high-precision measurement and convenient operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of metering instruments, and discloses an electrical safety and alternating current and direct current electric quantity high-precision integrated metering instrument which comprises a machine body and a base, small columns are fixedly installed on the machine body, a plurality of grooves are formed in the lower side of the machine body, each small column is movably connected with the corresponding groove, and a square groove a is formed in the left side of the machine body. A plurality of interfaces are arranged in a square groove a, the machine body is placed after the grooves in the machine body are aligned with the small columns, so that the machine body cannot translate, a worker can connect wires with the interfaces by opening the movable cover, then, after the movable cover is closed, each wire can be extruded by a sliding strip to fix the wires, and meanwhile, a connecting rod enters a clamping groove. The machine body can be prevented from moving upwards through the limitation of the round block, so that the machine body can be fixed, and meanwhile, the user cannot pull out the wire when the movable cover is closed, so that the interface can be protected, and the damage to the wire caused by pulling the wire when the user takes down the machine body without pulling out the wire when disassembling the machine body for maintenance is avoided.
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Description

Technical Field

[0001] This invention relates to the technical field of measuring instruments, specifically to an integrated measuring instrument for electrical safety and high-precision AC / DC power. Background Technology

[0002] In the field of electrical system operation monitoring and safety management, AC / DC power metering instruments are one of the core devices, widely used in industrial production, power transmission, new energy power generation, and many other scenarios. Their metering accuracy is directly related to energy utilization efficiency assessment, equipment operating status monitoring, and power safety assurance. With the rapid development of electrical technology, various electrical equipment have placed higher demands on the accuracy, integration, and safety of power metering.

[0003] However, existing AC / DC power metering instruments still have many problems that urgently need to be solved in practical applications: The protection of wire connections and interfaces is inadequate. Existing instruments often have exposed interfaces lacking effective protective structures, making them susceptible to corrosion from dust, moisture, and other environmental factors. This can lead to poor contact and affect the transmission of metrological signals. Furthermore, the lack of reliable fixing mechanisms after wires are connected to interfaces means that wires are prone to detachment or damage during equipment handling, maintenance, or accidental pulling. This not only affects the continuity of metrological work but also poses potential electrical safety hazards due to detached wires, creating safety risks during equipment maintenance. If personnel forget to disconnect the wires before disassembling the instrument, pulling on the wires can easily cause them to break, damage the interfaces, or even lead to electric shock or other safety accidents.

[0004] In summary, existing AC / DC power metering instruments have shortcomings in terms of installation flexibility, interface and wire protection, maintenance safety, and structural stability, making it difficult to meet the comprehensive needs of modern electrical systems for high-precision metering, safety protection, and convenient operation. Therefore, developing a highly integrated, easy-to-install, and reliable electrical safety and AC / DC power metering instrument is of great practical significance. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides an integrated metering instrument for electrical safety and high-precision AC / DC power. It has the advantages of protecting the interface and preventing damage to the wires caused by pulling them when the user removes the machine body for maintenance without unplugging the wires. It solves the problem of poor wire connection and interface protection, which makes the wires easy to fall off or be damaged during equipment handling, maintenance, or accidental pulling.

[0006] To achieve the aforementioned goal of protecting the interfaces while preventing damage caused by users pulling on the wires when disassembling the device for maintenance without unplugging them, this invention provides the following technical solution: an integrated metering instrument for electrical safety and high-precision AC / DC power measurement, comprising a body and a base. Small columns are fixedly installed on the body, and several grooves are formed on the lower side of the body. Each small column is movably connected to each groove. A square groove a is provided on the left side of the body, containing several interfaces. A square groove b is provided on the base, containing two small blocks. Connecting rods are fixedly installed on the upper sides of both small blocks, and round blocks are fixedly installed at the upper ends of both connecting rods. A movable cover is movably connected to the square groove a via a hinge. Several square boxes are fixedly installed on the movable cover, which has several slots. A sliding strip movably passes through the inner wall of each slot, and each sliding strip is movably connected to each square box. A set of pressure springs a is fixedly installed on each sliding strip, and each set of pressure springs a is connected to each square box. Two locking slots are provided on the movable cover.

[0007] Preferably, a long plate is fixedly installed on the left side of the machine body, and a through groove is opened on the long plate, through which a lifting plate is movably connected.

[0008] Preferably, a limit strip is fixedly installed on the lifting plate, and a fixing strip is provided above the limit strip, which is fixedly connected to the left side of the machine body.

[0009] Preferably, a plurality of base blocks are fixedly installed on the base, and each base block has a threaded groove.

[0010] Preferably, a long box is fixedly embedded on the lower side of the base, and four connecting boxes are fixedly connected to the long box. Each connecting box is fixedly embedded on the lower side of the base, and a bottom tube is fixedly connected to the lower side of each connecting box. A sealing ring is fixedly installed inside each bottom tube.

[0011] Preferably, telescopic tubes are fixedly connected to both the front and rear sides of the long box, and pressure blocks are fixedly installed at the ends of the two telescopic tubes that are far apart from each other. Thin rods are fixedly installed on the sides of the two pressure blocks that are close to each other, and pressure springs b are movably sleeved on each thin rod.

[0012] Preferably, each of the thin rods is fixedly fitted with a support ring, and each support ring is fixedly installed with a thin strip. Circular grooves are opened on both the front and rear sides of the long box. Each thin strip is fixedly connected to the side wall of each circular groove. The two ends of the two pressure springs b are fixedly connected to the two support rings and the pressure block, respectively.

[0013] Compared with the prior art, the present invention provides an integrated metering instrument for electrical safety and high-precision AC / DC power, which has the following advantages: 1. This electrical safety and high-precision AC / DC power metering instrument integrates a base fixed to the mounting position of the main body. The groove on the main body is then aligned with the small column before placement, preventing the main body from moving horizontally. Opening the movable cover allows operators to connect wires to the interface. Closing the cover allows the sliding strips to press each wire in place, while the connecting rod enters the slot. The circular block prevents the main body from moving upwards, thus fixing it in place. With the movable cover closed, users cannot remove the wires. This protects the interface and prevents damage to the wires caused by pulling them when disassembling the main body for maintenance.

[0014] 2. This electrical safety and high-precision AC / DC power metering instrument can be fixed by moving the lifting plate downward after the movable cover is closed, thus preventing the movable cover from opening.

[0015] 3. This electrical safety and high-precision AC / DC power metering instrument can prevent the lifting plate from detaching from the through slot when it moves downwards by using limit bars, and can stop the lifting plate from moving upwards after it has moved a certain distance by using fixing bars, thus preventing the lifting plate from falling off when it moves upwards.

[0016] 4. This electrical safety and high-precision AC / DC power metering instrument can be fixed to the pre-installation location using existing screws or bolts and other fasteners by using a base block with threaded grooves.

[0017] 5. This electrical safety and high-precision AC / DC power metering instrument, by moving two pressure blocks closer together, can squeeze out the gas in the telescopic tube. Then, the base is placed at the installation location, and the two pressure blocks are released. The rebound of the pressure spring b will cause the pressure blocks to move away from each other, thus opening the telescopic tube and generating suction. The suction is then transmitted to the bottom tube through the long box and connecting box. Finally, the sealing ring can adsorb the base at the installation location. This allows the base to be adsorbed on a relatively smooth surface even when there is no pre-drilled installation hole. Attached Figure Description

[0018] Figure 1 This is a frontal perspective view of the present invention; Figure 2 This is a three-dimensional structural diagram of the body of the present invention; Figure 3 This is a bottom-view three-dimensional structural diagram of the body of the present invention; Figure 4 This is a three-dimensional structural diagram of the body of the present invention; Figure 5 This is a three-dimensional structural diagram of the movable cover of the present invention; Figure 6 This is a three-dimensional structural diagram of the square box of the present invention; Figure 7 This is a three-dimensional structural diagram of the elongated box of the present invention.

[0019] In the diagram: 1. Body; 2. Limiting strip; 3. Lifting plate; 4. Long plate; 5. Base; 6. Square box; 7. Movable cover; 8. Square groove a; 9. Threaded groove; 10. Bottom block; 11. Long box; 12. Pressure block; 13. Telescopic tube; 15. Groove; 16. Sliding strip; 17. Card slot; 18. Square groove b; 19. Small block; 20. Connecting rod; 21. Round block; 22. Pressure spring a; 23. Groove; 24. Small column; 25. Sealing ring; 26. Bottom tube; 27. Connecting box; 28. Interface; 29. ​​Round groove; 30. Pressure spring b; 31. Thin rod; 32. Support ring; 33. Thin strip; 34. Through groove; 35. Fixing strip. Detailed Implementation

[0020] The present invention will be further described in detail below with reference to the accompanying drawings, wherein the same parts are indicated by the same reference numerals. It should be noted that the terms “front”, “rear”, “left”, “right”, “upper” and “lower”, “bottom surface” and “top surface” used in the following description refer to the directions in the drawings, and the terms “inner” and “outer” refer to the directions toward or away from the geometric center of a specific part, respectively.

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] Please see Figures 1-7This invention provides a technical solution: an integrated metering instrument for electrical safety and high-precision AC / DC power measurement, comprising a body 1 and a base 5. Small columns 24 are fixedly installed on the body 1. Several grooves 23 are formed on the lower side of the body 1, with each small column 24 movably connected to each groove 23. A square groove a8 is provided on the left side of the body 1, containing several interfaces 28. A square groove b18 is formed on the base 5, containing two small blocks 19. Connecting rods 20 are fixedly installed on the upper sides of each of the two small blocks 19, and round blocks 21 are fixedly installed at the upper ends of each connecting rod 20. A movable cover 7 is movably connected to the square groove a8 via a hinge. Several square boxes 6 are fixedly installed on the movable cover 7, which has several slots 15. A sliding strip 16 movably passes through the inner wall of each slot 15, and each sliding strip 16 is movably connected to each square box 6. Each of the components is fixedly installed with a set of pressure springs a22, and each set of pressure springs a22 is connected to each square box 6. The movable cover 7 has two slots 17. By fixing the base 5 to the installation position of the body 1, the groove 23 on the body 1 can be aligned with the small column 24 and placed. In this way, the body 1 cannot move horizontally. When the movable cover 7 is opened, the operator can connect the wire to the interface 28. After closing the movable cover 7, the slider 16 can be used to squeeze each wire to fix the wire. At the same time, the connecting rod 20 will enter the slot 17. The restriction of the round block 21 can prevent the body 1 from moving upward, thereby fixing the body 1. At the same time, when the movable cover 7 is closed, the user cannot pull out the wire. This can protect the interface 28 and prevent the user from removing the body 1 without pulling out the wire when disassembling the body 1 for maintenance, which would cause damage to the wire. A long plate 4 is fixedly installed on the left side of the machine body 1. A through groove 34 is opened on the long plate 4, and a lifting plate 3 is movably connected in the through groove 34. By closing the movable cover 7, the lifting plate 3 can be moved downward to block and fix the movable cover 7, thereby preventing the movable cover 7 from opening. A limit strip 2 is fixedly installed on the lifting plate 3, and a fixing strip 35 is set above the limit strip 2. The fixing strip 35 is fixedly connected to the left side of the machine body 1. The limit strip 2 can prevent the lifting plate 3 from disengaging from the through groove 34 when it moves downward. The fixing strip 35 can stop the lifting plate 3 from moving upward after it has moved a certain distance. The plate 3 moves to prevent it from falling off when it moves upward. Several base blocks 10 are fixedly installed on the base 5, each with a threaded groove 9. The base 5 can be fixed to the pre-installation location using existing screws or bolts by engaging the base blocks 10 with the threaded grooves 9. A long box 11 is fixedly embedded in the lower side of the base 5, and four connecting boxes 27 are fixedly connected to the long box 11. Each connecting box 27 is fixedly embedded in the lower side of the base 5, and a bottom tube 26 is fixedly connected to the lower side of each connecting box 27. A sealing ring 25 is fixedly installed inside each bottom tube 26. The long box 11 has two... Each side of the long box 11 is fixedly connected with a telescopic tube 13. A pressure block 12 is fixedly installed at the far end of each telescopic tube 13. A thin rod 31 is fixedly installed at the close end of each pressure block 12. A pressure spring b30 is movably sleeved on each thin rod 31. A support ring 32 is fixedly sleeved on each thin rod 31. A thin strip 33 is fixedly installed on each support ring 32. Circular grooves 29 are opened on both the front and rear sides of the long box 11. Each thin strip 33 is fixedly connected to the side wall of each circular groove 29. The two ends of the two pressure springs b30 are fixedly connected to the two support rings 32 and the pressure block 12, respectively. By moving the two pressure blocks 12 closer together, the gas inside the telescopic tube 13 can be squeezed out. Then, the base 5 is placed at the installation location, and the two pressure blocks 12 are released. The rebound of the pressure spring b30 will cause the pressure blocks 12 to move away from each other, thus opening the telescopic tube 13 and generating suction. The suction can then be transferred to the bottom tube 26 through the long box 11 and the connecting box 27. Finally, the sealing ring 25 can hold the base 5 in place at the installation location. This allows the base 5 to be held in place on a relatively smooth surface even when there is no pre-drilled installation hole.

[0023] In use, the first step is to fix the base 5 in the installation position of the body 1, and then align the groove 23 on the body 1 with the small post 24 before placing it. This prevents the body 1 from moving horizontally. After opening the movable cover 7, the operator can connect the wire to the interface 28. After closing the movable cover 7, the slider 16 can be used to squeeze each wire to fix it. At the same time, the connecting rod 20 will enter the slot 17. The restriction of the round block 21 can prevent the body 1 from moving upward, thus fixing the body 1. At the same time, when the movable cover 7 is closed, the user cannot pull out the wire. This can protect the interface 28 and prevent the user from removing the body 1 without pulling out the wire when disassembling the body 1 for maintenance, which would cause damage to the wire.

[0024] Step 2: After closing the movable cover 7, the lifting plate 3 can be moved downward to hold the movable cover 7 in place, thus preventing the movable cover 7 from opening.

[0025] Step 3: The limiting strip 2 can prevent the lifting plate 3 from detaching from the through groove 34 when it moves downward. The fixing strip 35 can stop the lifting plate 3 from moving upward after it has moved a certain distance, thus preventing the lifting plate 3 from falling off when it moves upward.

[0026] Step 4: By using the base block 10 in conjunction with the threaded groove 9, the base 5 can be fixed to the pre-installation location using existing screws or bolts and other fasteners.

[0027] Step 5: By moving the two pressure blocks 12 closer to each other, the gas inside the telescopic tube 13 can be squeezed out. Then, place the base 5 at the installation location and release the two pressure blocks 12. The rebound of the pressure spring b30 will cause the pressure blocks 12 to move away from each other, thus opening the telescopic tube 13 and generating suction. The suction can then be transferred to the bottom tube 26 through the long box 11 and the connecting box 27. The sealing ring 25 can then adhere the base 5 to the installation location. This allows the base 5 to be adhered to a relatively smooth surface even when there is no pre-drilled installation hole.

[0028] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An integrated metering instrument for electrical safety and high-precision AC / DC power measurement, comprising a body (1) and a base (5), characterized in that: Small columns (24) are fixedly installed on the body (1). Several grooves (23) are opened on the lower side of the body (1). Each small column (24) is movably connected to each groove (23). A square groove a (8) is provided on the left side of the body (1). Several interfaces (28) are provided in the square groove a (8). A square groove b (18) is opened on the base (5). Two small blocks (19) are fixedly installed in the square groove b (18). A connecting rod (20) is fixedly installed on the upper side of each of the two small blocks (19). A round block is fixedly installed on the upper end of each of the two connecting rods (20). 21) A movable cover (7) is movably connected to the square groove a (8) by a hinge. Several square boxes (6) are fixedly installed on the movable cover (7). Several slots (15) are opened on the movable cover (7). A slide bar (16) is movably passed through the inner wall of each slot (15). Each slide bar (16) is movably connected to each square box (6). A set of pressure springs a (22) is fixedly installed on each slide bar (16). Each set of pressure springs a (22) is connected to each square box (6). Two slots (17) are opened on the movable cover (7).

2. The integrated metering instrument for electrical safety and AC / DC power as described in claim 1, characterized in that: A long plate (4) is fixedly installed on the left side of the body (1). A through groove (34) is provided on the long plate (4), and a lifting plate (3) is movably connected in the through groove (34).

3. The integrated metering instrument for electrical safety and AC / DC power as described in claim 2, characterized in that: Limiting strips (2) are fixedly installed on the lifting plate (3), and a fixing strip (35) is provided above the limiting strips (2). The fixing strip (35) is fixedly connected to the left side of the machine body (1).

4. The integrated metering instrument for electrical safety and high-precision AC / DC power measurement according to claim 1, characterized in that: Several base blocks (10) are fixedly installed on the base (5), and each base block (10) has a threaded groove (9).

5. The integrated metering instrument for electrical safety and AC / DC power as described in claim 1, characterized in that: A long box (11) is fixedly embedded on the lower side of the base (5). Four connecting boxes (27) are fixedly connected on the long box (11). Each connecting box (27) is fixedly embedded on the lower side of the base (5). A bottom tube (26) is fixedly connected to the lower side of each connecting box (27). A sealing ring (25) is fixedly installed inside each bottom tube (26).

6. The high-precision integrated metering instrument for electrical safety and AC / DC power as described in claim 5, characterized in that: The long box (11) is fixedly connected to telescopic tubes (13) on both the front and rear sides. Pressure blocks (12) are fixedly installed at the ends of the two telescopic tubes (13) that are far apart from each other. Thin rods (31) are fixedly installed on the sides of the two pressure blocks (12) that are close to each other. Pressure springs (30) are movably sleeved on each thin rod (31).

7. The integrated metering instrument for electrical safety and AC / DC power consumption with high precision as described in claim 6, characterized in that: Each of the thin rods (31) is fixedly fitted with a support ring (32), and each support ring (32) is fixedly installed with a thin strip (33). The long box (11) has circular grooves (29) on both the front and rear sides. Each thin strip (33) is fixedly connected to the side wall of each circular groove (29). The two ends of the two pressure springs b (30) are fixedly connected to the two support rings (32) and the pressure block (12) respectively.