New type split single-phase intelligent electric energy meter for testing new energy battery

Abstract

The application relates to the technical field of electric energy meters, in particular to a new type of split single-phase intelligent electric energy meter for testing new energy batteries, which comprises a main shell assembly, the upper end of the main shell assembly is fixedly connected with a base, one end of the base is provided with a buffer mechanism, the buffer mechanism comprises a rotating shaft, the surface of the rotating shaft is eccentrically connected with an extrusion block, a containing cavity for containing a cable joint is constructed in the extrusion block, a fixing mechanism is arranged in the interior of the extrusion block, the fixing mechanism comprises an annular air bag, one end of the extrusion block is provided with a tightening mechanism, the surface of the base is fixedly connected with a second sleeve, the second sleeve also limits the position of the cable; when the cable is pulled, the extrusion block drives the rotating shaft to compress the torsional spring buffer, the rotating shaft rotates and simultaneously realizes inflation of the annular air bag, clamping and tightening of the cable joint are formed, and the extrusion block eccentrically rotates and simultaneously cooperates with the sleeve to further fix one end of the cable away from the joint.

Description

Technical Field

[0001] This invention relates to the field of electricity meter technology, specifically a novel split-type single-phase smart electricity meter using new energy battery testing. Background Technology

[0002] The novel split-type single-phase smart energy meter for new energy battery testing is a smart energy metering device specifically designed for new energy battery charge and discharge testing scenarios. Its split structure separates the metering and detection module from the display module. The former is centrally installed in a safe area such as a distribution box, while the latter can be flexibly deployed in the testing area. Physical isolation enhances the security of the metering module, preventing data tampering or equipment damage caused by accidental user touches. Optimized for the charge and discharge characteristics of new energy batteries, it possesses high-precision measurement capabilities, accurately capturing key parameters such as energy flow, voltage, current, and power. Adapting to dynamic electricity prices and varying operating conditions, the deep integration of the split structure and intelligent functions enables high-precision and high-reliability testing of the new energy battery charge and discharge process. Its role extends beyond data acquisition to performance evaluation, system integration, and technological development, representing a significant innovation in key testing equipment for the new energy field.

[0003] Existing technologies for testing new energy batteries in novel split-type single-phase smart meters suffer from frequent plugging and unplugging of connecting cables or moving equipment during testing. This stress on the cables, coupled with prolonged pulling, leads to internal metal fatigue and signal or power interruptions. Dynamic loads, high-frequency charging and discharging, or equipment movement and installation generate vibrations, causing repeated stress on the connecting cables. In electric vehicle testing, vibration can cause connectors to detach at the twist joints, resulting in open circuits and abnormal voltage. Furthermore, the presence of numerous people and objects during testing can cause cables to detach due to accidental tripping or elbowing. If the meter's terminals are not tightened, even slight pulling can reduce the contact area between the cable and terminals, increasing resistance—essentially adding an "invisible resistor" to the circuit. This leads to inaccurate current and voltage measurements, resulting in incorrect power and energy calculations. A forceful pull on the cable-meter connection can rip the terminals off the meter casing or even deform the internal circuit board, damaging the meter. Summary of the Invention

[0004] To address the problems in existing technologies, this invention provides a novel split-type single-phase smart energy meter for testing new energy batteries.

[0005] The technical solution adopted by the present invention to solve its technical problem is: a novel split-type single-phase smart energy meter for testing new energy batteries, including a main housing assembly, a base fixedly connected to the upper end of the main housing assembly, and a buffer mechanism for flexibly absorbing the tension of the cable at one end of the base. The buffer mechanism includes a rotating shaft, and an extrusion block is eccentrically connected to the surface of the rotating shaft.

[0006] The extrusion block has a cavity for accommodating cable connectors. The extrusion block and the base form an elastic swing structure through a rotating shaft. The extrusion block rotates eccentrically around the rotating shaft. The cavity inside the extrusion block is used to accommodate the connector part of the new energy battery test cable.

[0007] The extrusion block is equipped with a fixing mechanism that limits the connection of the cable connector. The fixing mechanism includes an annular airbag.

[0008] One end of the extrusion block is equipped with a tightening mechanism for tightening the cable connector, and a second sleeve is fixedly connected to the surface of the base;

[0009] The compression block, together with the second sleeve fixed on the base surface, further secures the end of the cable away from the connector, and the second sleeve also limits the position of the cable.

[0010] Preferably, the base has a first hollow groove inside, and the extrusion block is movably disposed in the first hollow groove via a rotating shaft, with the first hollow groove and the extrusion block forming a clearance fit.

[0011] Preferably, the buffer mechanism includes a rotating shaft, which is elastically connected to the base by a torsion spring. The rotating shaft has a second hollow groove inside, and a flexible hose is fixedly connected inside the rotating shaft. A bolt is engaged inside the compression block, and a second terminal piece is provided at the end of the bolt for electrical connection with the fixing mechanism.

[0012] Preferably, the fixing mechanism includes an annular airbag, which is fixedly connected to the inside of the compression block, and an elastic rubber tube is fixedly connected to the outer surface of the annular airbag.

[0013] Preferably, the fixing mechanism further includes a one-way pressure relief rubber plug, the one-way pressure relief rubber plug is tightly fitted inside the elastic rubber tube, a first connecting piece is fixedly connected to the inner surface of the annular airbag, a second connecting piece is also fixedly connected to the inner surface of the annular airbag, and the elastic rubber tube and the annular airbag form a sealed connection to form a pressure-adjustable flexible limiting component.

[0014] Preferably, the tightening mechanism includes a first sleeve, which is fixedly connected to the base. A sliding rod is slidably connected inside the first sleeve, and an opening is provided inside the first sleeve. One end of the sliding rod is rotatably connected to a rotating pin.

[0015] Preferably, the tightening mechanism includes a guide rod, one end of a rotating pin is attached to the guide rod, the guide rod is fixedly connected to a rotating shaft, a connecting pipe is fixedly connected to the bottom surface of the end of the first sleeve away from the sliding rod, a one-way valve is fixedly connected inside the connecting pipe, and a piston is slidably connected inside the first sleeve, with one end of the piston fixedly connected to one end of the sliding rod.

[0016] Preferably, the inner wall surface of the second sleeve is provided with a plurality of protrusions, which are distributed in a ring array on the inner wall of the second sleeve.

[0017] The beneficial effects of this invention are:

[0018] The novel split-type single-phase smart energy meter for new energy battery testing described in this invention achieves dynamic absorption and protection of cable tension through a mechanical buffer design that uses the eccentric rotation of the compression block to drive the shaft to compress the torsion spring. When the cable is under tension, the eccentric rotation of the compression block triggers the deformation of the torsion spring, converting the instantaneous tension into elastic potential energy, effectively preventing the cable from being directly pulled off or the connector from falling off. At the same time, the reset characteristic of the torsion spring ensures that the cable automatically returns to a stable state after being subjected to force, improving the reliability of cable connections in new energy battery testing and significantly reducing the risk of equipment failure.

[0019] The novel split-type single-phase smart energy meter for testing new energy batteries described in this invention, while rotating its shaft, also drives the piston to compress air through a one-way valve to inflate the annular air bladder. This causes the annular air bladder to expand and tighten the cable connector, ensuring that the first and second connecting pieces are tightly fitted to the cable connector and preventing the cable connector from falling off and leaking electricity. When the air pressure reaches the threshold, the one-way pressure relief rubber plug automatically releases the pressure to avoid damage from overpressure.

[0020] The novel split-type single-phase smart energy meter for new energy battery testing described in this invention uses an eccentrically rotating extrusion block to clamp the second sleeve, achieving secondary fixation of the cable end away from the connector. The extrusion block and the base work together to press the second sleeve, causing the protrusion block to adhere to the cable surface. This not only enhances the fixing effect by increasing friction but also uses the flexible deformation of the protrusion block to buffer the extrusion force, avoiding damage to the cable from hard contact. This significantly improves the tensile strength and long-term stability of cable connections in new energy battery testing and effectively prevents leakage or equipment damage caused by loose cables. Attached Figure Description

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 A schematic diagram of the connection structure between the main shell assembly and the base;

[0024] Figure 3This is a schematic diagram of the connection structure between the rotating shaft and the extrusion block;

[0025] Figure 4 This is a schematic diagram of the connection structure between the annular airbag and the elastic rubber tube.

[0026] Figure 5 This is a schematic diagram of the connection structure between the rotating shaft and the flexible hose;

[0027] Figure 6 This is a schematic diagram of the connection structure between the bolt and the second connector.

[0028] Figure 7 A schematic diagram of the connection structure between the first sleeve and the sliding rod;

[0029] Figure 8 This is a schematic diagram of the connection structure between the connecting pipe and the rotating shaft;

[0030] Figure 9 This is a cross-sectional view of the inside of the second sleeve.

[0031] In the diagram: 100, main housing assembly; 200, base; 201, first hollow groove; 300, buffer mechanism; 301, rotating shaft; 3011, second hollow groove; 302, compression block; 303, bolt; 304, hose; 400, fixing mechanism; 401, annular airbag; 402, elastic rubber tube; 403, one-way pressure relief rubber plug; 404, first connecting piece; 405, second connecting piece; 500, tightening mechanism; 501, first sleeve; 5011, opening; 502, sliding rod; 503, rotating pin; 504, guide rod; 505, connecting pipe; 506, one-way valve; 507, piston; 600, second sleeve; 601, protrusion. Detailed Implementation

[0032] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0033] like Figures 1-9 As shown, the novel split-type single-phase smart energy meter for testing new energy batteries according to the present invention includes a main housing assembly 100, a base 200 fixedly connected to the upper end of the main housing assembly 100, and a buffer mechanism 300 for flexibly absorbing the tension of the cable at one end of the base 200. The buffer mechanism 300 includes a rotating shaft 301, and an extrusion block 302 is eccentrically connected to the surface of the rotating shaft 301.

[0034] The extrusion block 302 has a accommodating chamber for accommodating cable connectors. The extrusion block 302 and the base 200 form an elastic swing structure through the rotating shaft 301. The extrusion block 302 rotates eccentrically around the rotating shaft 301. The extrusion block 302 has an accommodating chamber inside for accommodating the connector part of the new energy battery test cable.

[0035] The compression block 302 is provided with a fixing mechanism 400 that limits the connection of the cable. The fixing mechanism 400 includes an annular airbag 401.

[0036] One end of the extrusion block 302 is provided with a tightening mechanism 500 for tightening the connector of the cable, and a second sleeve 600 is fixedly connected to the surface of the base 200.

[0037] The compression block 302, together with the second sleeve 600 fixed on the surface of the base 200, further fixes the end of the cable away from the connector. The second sleeve 600 also limits the position of the cable.

[0038] Specifically, the base 200 has a first hollow groove 201 inside, and the extrusion block 302 is movably disposed in the first hollow groove 201 through the rotating shaft 301. The first hollow groove 201 and the extrusion block 302 form a clearance fit.

[0039] Furthermore, the buffer mechanism 300 includes a rotating shaft 301, which is elastically connected to the base 200 via a torsion spring. The rotating shaft 301 has a second hollow groove 3011 inside, and a flexible hose 304 is fixedly connected inside the rotating shaft 301. A bolt 303 is engaged inside the compression block 302, and a second connecting piece 405 electrically connected to the fixing mechanism 400 is provided at the end of the bolt 303. When the cable is inserted from the lower end of the second sleeve 600 and exits from the upper end of the second sleeve 600 and is bent before being inserted into the annular airbag 401, the bolt 303 is rotated to engage with the compression block 302. The bolt 303 will drive the second connecting piece 405 to move towards one end of the first connecting piece 404. The inward movement of the second connecting piece 405 will cooperate with the first connecting piece 404 to fix the cable connector.

[0040] Furthermore, when the cable is pulled, the cable pulls the compression block 302 to rotate eccentrically around the rotating shaft 301. The eccentric rotation of the compression block 302 drives the rotating shaft 301 to rotate, which in turn compresses the torsion spring inside the compression block 302. The rotation of the rotating shaft 301 compresses the torsion spring, thereby buffering the tension when the cable is pulled, preventing the cable from being directly pulled off or detached. Through the mechanical buffering design of the compression block 302 driving the rotating shaft 301 to compress the torsion spring, dynamic absorption and protection of cable tension are achieved. When the cable is pulled, the eccentric rotation of the compression block 302 triggers the deformation of the torsion spring, converting the instantaneous tension into elastic potential energy, effectively preventing the cable from being directly pulled off or the connector from detaching. At the same time, the reset characteristic of the torsion spring ensures that the cable automatically returns to a stable state after being subjected to force, improving the reliability of cable connections in new energy battery testing and significantly reducing the risk of equipment failure.

[0041] It should be noted that the fixing mechanism 400 includes an annular airbag 401, which is fixedly connected to the inside of the compression block 302. An elastic rubber tube 402 is fixedly connected to the outer surface of the annular airbag 401. A one-way pressure relief rubber plug 403 is tightly fitted inside the elastic rubber tube 402. A first connecting piece 404 is fixedly connected to the inner surface of the annular airbag 401. A second connecting piece 405 is also fixedly connected to the inner surface of the annular airbag 401. The elastic rubber tube 402 and the annular airbag 401 form a sealed connection to form a pressure-adjustable flexible limiting component. As the rotating shaft 301 rotates, it drives the guide rod 504 to rotate. The rotation of the guide rod 504 causes the rotating pin 503 to move to one end. The movement of the rotating pin 503 to one end causes the sliding rod 502 to move to one end. The movement of the sliding rod 502 to one end causes the piston 507 to move to one end. The initial position of the piston 507 is close to the sliding rod 502. Outside air enters the interior of the first sleeve 501 through the opening 5011. The movement of the piston 507 to one end compresses the air inside the first sleeve 501. Air enters the connecting pipe 505 and passes through the one-way valve 506 into the second hollow groove 3011 inside the rotating shaft 301. The air in the second hollow groove 3011 then passes through the hose 304 into the annular air bladder 401. The annular air bladder 401 expands as it is filled with air, tightening the cable connector and ensuring a tight seal between the first and second connecting pieces 404 and 405 and the cable connector. This prevents the cable connector from detaching and causing leakage, which could affect the testing of the single-phase smart meter's new energy battery, or even... This is to damage the single-phase smart energy meter; when the air pressure inside the annular airbag 401 reaches a certain value, it will release pressure through the one-way pressure relief rubber plug 403 on the elastic rubber tube 402; while the rotating shaft 301 is rotating, it will also drive the piston 507 to compress air through the one-way valve 506 to inflate the annular airbag 401, causing the annular airbag 401 to expand and tighten the cable connector, ensuring that the first terminal piece 404 and the second terminal piece 405 are tightly fitted with the cable connector, preventing the cable connector from falling off and leaking electricity; when the air pressure reaches the threshold, the one-way pressure relief rubber plug 403 will automatically release pressure to avoid overpressure damage.

[0042] It is worth mentioning that the tightening mechanism 500 includes a first sleeve 501, which is fixedly connected to the base 200. A sliding rod 502 is slidably connected inside the first sleeve 501. An opening 5011 is provided inside the first sleeve 501. A rotating pin 503 is rotatably connected to one end of the sliding rod 502. A guide rod 504 is attached to one end of the rotating pin 503. The guide rod 504 is fixedly connected to the rotating shaft 301. A connecting pipe 505 is fixedly connected to the bottom surface of the end of the first sleeve 501 away from the sliding rod 502. A one-way valve 506 is fixedly connected inside the connecting pipe 505. A piston 507 is slidably connected inside the first sleeve 501. One end of the piston 507 is fixedly connected to one end of the sliding rod 502. While the rotating shaft 301 rotates, causing the extrusion block 302 to rotate eccentrically, the extrusion block... The eccentric rotation of the pressure block 302 will gradually compress the second sleeve 600. The eccentric rotation of the pressure block 302 compresses the second sleeve 600 and cooperates with the base 200. The pressure block 302 and the base 200 cooperate to clamp the second sleeve 600. The eccentric rotation of the pressure block 302 compresses the second sleeve 600, thereby causing the protrusion 601 to adhere to the surface of the cable. The second sleeve 600 drives the protrusion 601 to further fix the end of the cable away from the connector, so as to prevent the cable connector from being pulled directly, causing leakage or even damage to the electricity meter.

[0043] Specifically, the inner wall surface of the second sleeve 600 is provided with multiple protrusions 601, which are arranged in a ring array on the inner wall of the second sleeve 600. Several protrusions 601 are also provided inside the second sleeve 600. The protrusions 601 can buffer the extrusion pressure between the second sleeve 600 and the cable, and can also increase the friction between the second sleeve 600 and the cable. By eccentrically rotating the extrusion block 302 to clamp the second sleeve 600, the extrusion block 302 can perform secondary fixation on the end of the cable away from the connector. The extrusion block 302 and the base 200 work together to extrude the second sleeve 600, causing the protrusions 601 to fit against the cable surface. This not only strengthens the fixing effect by increasing friction, but also uses the flexible deformation of the protrusions 601 to buffer the extrusion pressure, avoiding damage to the cable from hard contact. This significantly improves the tensile strength and long-term stability of the cable connection in the testing of new energy batteries, and effectively prevents leakage or equipment damage caused by cable loosening.

[0044] Working principle: When using this invention, the cable is inserted from the lower end of the second sleeve 600 and exits from the upper end of the second sleeve 600. After being bent, the cable is inserted into the annular airbag 401. The split structure separates the metering and detection module from the display module. The former is centrally installed in a safe area such as a power distribution box, while the latter can be flexibly deployed in the testing area. Physical isolation improves the safety of the metering module and avoids data tampering or equipment damage caused by accidental touch by the user.

[0045] At this time, rotating the bolt 303 engages with the pressing block 302. The bolt 303 will drive the second connector 405 to move toward one end of the first connector 404. The inward movement of the second connector 405 will cooperate with the first connector 404 to fix the cable connector.

[0046] When the cable is pulled, the cable pulls the compression block 302 to rotate eccentrically around the rotating shaft 301. The eccentric rotation of the compression block 302 drives the rotating shaft 301 to rotate, which in turn compresses the torsion spring inside the compression block 302. The rotation of the rotating shaft 301 compresses the torsion spring, thereby buffering the tension when the cable is pulled, preventing the cable from being directly pulled off or detached. Through the mechanical buffering design of the compression block 302 driving the rotating shaft 301 to compress the torsion spring, dynamic absorption and protection of cable tension are achieved. When the cable is pulled, the eccentric rotation of the compression block 302 triggers the deformation of the torsion spring, converting the instantaneous tension into elastic potential energy, effectively preventing the cable from being directly pulled off or the connector from detaching. At the same time, the reset characteristic of the torsion spring ensures that the cable automatically returns to a stable state after being subjected to force, improving the reliability of cable connections in new energy battery testing and significantly reducing the risk of equipment failure.

[0047] As the shaft 301 rotates, it drives the guide rod 504 to rotate. The rotation of the guide rod 504 causes the rotating pin 503 to move to one end. The movement of the rotating pin 503 to one end causes the sliding rod 502 to move to one end. The movement of the sliding rod 502 to one end causes the piston 507 to move to one end. The initial position of the piston 507 is close to the sliding rod 502. Outside air enters the interior of the first sleeve 501 through the opening 5011. The movement of the piston 507 to one end compresses the air inside the first sleeve 501. The air inside the first sleeve 501 enters the connecting pipe 505. The air inside the connecting pipe 505 enters the second hollow groove 3011 inside the shaft 301 through the one-way valve 506. The air in the second hollow groove 3011 enters the annular airbag 401 through the hose 304. The annular airbag 401 is filled with air and expands. The expansion of the annular airbag 401 tightens the cable connector, making the first The first connecting piece 404 and the second connecting piece 405 are tightly fitted to the cable connector to prevent the cable connector from coming loose and causing leakage, which could affect the testing of the new energy battery of the single-phase smart energy meter or even damage the single-phase smart energy meter. When the air pressure inside the annular airbag 401 reaches a certain value, it will be released through the one-way pressure relief rubber plug 403 on the elastic rubber tube 402. When it is necessary to remove the cable connector, simply pull the one-way pressure relief rubber plug 403 out of the elastic rubber tube 402. At this time, the gas inside the annular airbag 401 will be discharged from the elastic rubber tube 402. When the rotating shaft 301 rotates, it will also drive the piston 507 to compress air through the one-way valve 506 to inflate the annular airbag 401, causing the annular airbag 401 to expand and tighten the cable connector, ensuring that the first connecting piece 404 and the second connecting piece 405 are tightly fitted to the cable connector, preventing the cable connector from coming loose and causing leakage. When the air pressure reaches the threshold, the one-way pressure relief rubber plug 403 will automatically release pressure to avoid overpressure damage.

[0048] As the rotating shaft 301 rotates, it drives the extrusion block 302 to rotate eccentrically. The eccentric rotation of the extrusion block 302 will gradually extrude the second sleeve 600. The extrusion block 302 and the base 200 cooperate to squeeze the second sleeve 600. The extrusion block 302 and the base 200 clamp the second sleeve 600. The extrusion block 302 squeezes the second sleeve 600, which in turn drives the protrusion block 601 to adhere to the surface of the cable. The second sleeve 600 drives the protrusion block 601 to further fix the end of the cable away from the connector, so as to prevent the cable connector from being pulled directly, causing leakage or even damage to the energy meter. The new type of split single-phase smart energy meter is used to test the new energy battery.

[0049] Several protrusions 601 are provided inside the second sleeve 600. The protrusions 601 can buffer the squeezing force between the second sleeve 600 and the cable, and also increase the friction between the second sleeve 600 and the cable. The second sleeve 600 is clamped by the eccentric rotation of the squeezing block 302, which realizes the secondary fixation of the end of the cable away from the connector. The squeezing block 302 and the base 200 work together to squeeze the second sleeve 600, causing the protrusions 601 to fit against the surface of the cable. This not only strengthens the fixing effect by increasing friction, but also uses the flexible deformation of the protrusions 601 to buffer the squeezing force, avoiding damage to the cable by hard contact. This significantly improves the tensile strength and long-term stability of the cable connection in the testing of new energy batteries, and effectively prevents leakage or equipment damage caused by cable loosening.

[0050] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of protection claimed by the present invention. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel split-type single-phase smart energy meter for testing new energy batteries, comprising a main housing assembly (100), wherein a base (200) is fixedly connected to the upper end of the main housing assembly (100), characterized in that: One end of the base (200) is provided with a buffer mechanism (300) for flexibly absorbing the tension of the cable. The buffer mechanism (300) includes a rotating shaft (301) and an extrusion block (302) is eccentrically connected to the surface of the rotating shaft (301). The extrusion block (302) has a accommodating chamber for accommodating cable connectors. The extrusion block (302) and the base (200) form an elastic swing structure through the rotating shaft (301). The extrusion block (302) rotates eccentrically around the rotating shaft (301). The accommodating chamber inside the extrusion block (302) is used to accommodate the connector part of the new energy battery test cable. The compression block (302) is provided with a fixing mechanism (400) that limits the connection of the cable connector. The fixing mechanism (400) includes an annular airbag (401). One end of the extrusion block (302) is provided with a tightening mechanism (500) for tightening the connector of the cable, and a second sleeve (600) is fixedly connected to the surface of the base (200). The compression block (302) works in conjunction with the second sleeve (600) fixed on the surface of the base (200) to further fix the end of the cable away from the connector. The second sleeve (600) also limits the position of the cable. The annular airbag (401) is fixedly connected to the inside of the compression block (302), and an elastic rubber tube (402) is fixedly connected to the outer surface of the annular airbag (401). The fixing mechanism (400) also includes a one-way pressure relief rubber plug (403), the one-way pressure relief rubber plug (403) is tightly fitted inside the elastic rubber tube (402), the inner surface of the annular airbag (401) is fixedly connected to a first connecting piece (404), the inner surface of the annular airbag (401) is also fixedly connected to a second connecting piece (405), the elastic rubber tube (402) and the annular airbag (401) form a sealed connection to form a pressure-adjustable flexible limiting component; The tightening mechanism (500) includes a first sleeve (501), which is fixedly connected to the base (200). A sliding rod (502) is slidably connected inside the first sleeve (501), and an opening (5011) is provided inside the first sleeve (501). A rotating pin (503) is rotatably connected to one end of the sliding rod (502). The tightening mechanism (500) includes a guide rod (504), one end of a rotating pin (503) is attached to the guide rod (504), the guide rod (504) is fixedly connected to the rotating shaft (301), a connecting pipe (505) is fixedly connected to the bottom surface of the end of the first sleeve (501) away from the sliding rod (502), a one-way valve (506) is fixedly connected inside the connecting pipe (505), and a piston (507) is slidably connected inside the first sleeve (501), one end of the piston (507) is fixedly connected to one end of the sliding rod (502).

2. The novel split-type single-phase smart energy meter for testing new energy batteries according to claim 1, characterized in that: The base (200) has a first hollow groove (201) inside, and the extrusion block (302) is movably disposed in the first hollow groove (201) via a rotating shaft (301). The first hollow groove (201) and the extrusion block (302) form a clearance fit.

3. The novel split-type single-phase smart energy meter for testing new energy batteries according to claim 1, characterized in that: The buffer mechanism (300) includes a rotating shaft (301), which is elastically connected to the base (200) by a torsion spring. The rotating shaft (301) has a second hollow groove (3011) inside. A flexible hose (304) is fixedly connected inside the rotating shaft (301). A bolt (303) is engaged inside the compression block (302). The end of the bolt (303) is provided with a second connecting piece (405) that is electrically connected to the fixing mechanism (400).

4. The novel split-type single-phase smart energy meter for testing new energy batteries according to claim 1, characterized in that: The inner wall surface of the second sleeve (600) is provided with a plurality of protrusions (601), which are arranged in a ring array on the inner wall of the second sleeve (600).

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