CN117214805A - Accurate temperature measuring device of electric energy meter - Google Patents
Accurate temperature measuring device of electric energy meter Download PDFInfo
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- CN117214805A CN117214805A CN202311465677.8A CN202311465677A CN117214805A CN 117214805 A CN117214805 A CN 117214805A CN 202311465677 A CN202311465677 A CN 202311465677A CN 117214805 A CN117214805 A CN 117214805A
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Abstract
The application relates to the technical field of electric energy meter temperature measurement verification, in particular to an accurate temperature measurement device of an electric energy meter, which comprises a base, wherein a base is arranged on the base, a groove is formed in the base, the inner side wall of the groove is rotationally connected with a conveyor belt through a rotating shaft, one end of the rotating shaft is fixedly connected with a transmission shaft which is coaxially arranged, and the base is provided with a transmission mechanism for driving the conveyor belt to reciprocate and a reciprocating mechanism matched with the conveyor belt. According to the application, after the working voltage and the working current are provided for the electric energy meter to be tested through the high-voltage connection terminals, whether the function of the electric energy meter to be tested is normal or not is detected based on the feedback signals of all the functional modules on the electric energy meter to be tested, and the temperature of the high-voltage connection terminals is obtained in real time through the temperature sensor module, so that the high-voltage connection terminals with the temperature higher than the preset temperature threshold value can be rapidly interrupted to provide the working voltage or the working current for the electric energy meter to be tested.
Description
Technical Field
The application relates to the technical field of electric energy meter temperature measurement verification, in particular to an accurate temperature measurement device of an electric energy meter.
Background
Along with the construction and upgrading of the national intelligent power grid, more and more intelligent electric energy meters are put into thousands of households and become one of necessary equipment for daily life of the households. With increasing power supply, it is important to protect the devices of the smart grid nerve endings effectively.
At present, when the electric energy meter calibrating device is electrified for 100A current test, the physical phenomenon that the temperature of a current terminal is increased can occur, and if the current binding post and the ammeter are in poor contact, the condition that the wiring terminal of the electric energy meter is burnt out can occur. However, the existing electric energy meter calibrating device does not have a function of monitoring the temperature of the electric energy meter current terminal in real time, cannot provide exact data changed along with the change of the current terminal temperature along with the change of the current, and cannot timely feed back the exact condition of temperature change after overload of the electric energy meter.
Disclosure of Invention
The application aims at: in order to solve the problems, an accurate temperature measuring device of an electric energy meter is provided.
In order to achieve the above purpose, the present application adopts the following technical scheme:
the accurate temperature measuring device of the electric energy meter comprises a base, wherein a base is arranged on the base, a groove is formed in the base, a conveyor belt is rotatably connected to the inner side wall of the groove through a rotating shaft, a transmission shaft which is coaxially arranged is fixedly connected to one end of the rotating shaft, and a transmission mechanism which drives the conveyor belt to reciprocate and a reciprocating mechanism which is matched with the conveyor belt are arranged on the base;
the reciprocating mechanism comprises a first bracket and a second bracket which are fixedly connected with the upper end surface of the base, a driving motor is arranged on the base, the output end of the driving motor penetrates through the first bracket and is fixedly connected with a rotary table which is coaxially arranged, one side of the rotary table is provided with a sliding groove, a third connecting shaft penetrates through the second bracket, two ends of the third connecting shaft are respectively fixedly connected with a first swing arm and a second swing arm, a high-voltage connection terminal is arranged on the first swing arm, a second through groove is formed in the second swing arm, an L-shaped rod is rotatably connected onto the second bracket, one end of the L-shaped rod is fixedly connected with a first sliding block matched with the sliding groove, and the other end of the L-shaped rod is fixedly connected with a second sliding block matched with the second through groove;
the transmission mechanism comprises an L-shaped frame fixedly connected with the upper end face of the base, a first connecting shaft and a second connecting shaft penetrate through the L-shaped frame, gears and a first driving roller, which are coaxially arranged, are fixedly connected to two ends of the first connecting shaft respectively, the first driving roller is connected with a transmission shaft through a first belt, a first connecting rod and a second driving roller are fixedly connected to two ends of the second connecting shaft respectively, the second driving roller is connected with the output end of the driving motor through a second belt, a sector plate is rotatably connected to the L-shaped frame, a sliding rail is arranged on the outer side of the sector plate, a rack is slidably connected to the sliding rail, the rack is connected with the gears in a meshed mode, a through groove I is formed in the sector plate, a second connecting rod is rotatably connected to one end of the first connecting shaft, a first connecting rod end of the second connecting rod is fixedly connected with a sliding column, and the sliding column is slidably connected with the through groove I.
Preferably, the sliding chute comprises a first arc-shaped groove, a third arc-shaped groove and a second arc-shaped groove, wherein one end of the first arc-shaped groove is communicated with one end of the third arc-shaped groove through one section of the second arc-shaped groove, the other end of the first arc-shaped groove is communicated with the other end of the third arc-shaped groove through the other section of the second arc-shaped groove, and the first arc-shaped groove, the third arc-shaped groove and the second arc-shaped groove are connected end to form a closed loop.
Preferably, the first swing arm and the second swing arm are arranged in parallel, and the first swing arm and the second swing arm are respectively positioned at two sides of the third connecting shaft.
Preferably, the length of the rack is half of the length of the sliding rail, and the first through grooves are distributed along the radial direction of the sector plate.
Preferably, the base is provided with a temperature sensor module, the base is provided with a module connection terminal, the base is internally provided with a circuit function board, one end of the module connection terminal is electrically connected with the circuit function board, and the other end of the module connection terminal is connected with each function module preset on the electric energy meter to be tested in an inserting mode.
Preferably, one end of the high-voltage connection terminal is electrically connected with the circuit function board, and the other end of the high-voltage connection terminal is in butt joint with a preset voltage and current terminal on the electric energy meter to be tested.
Preferably, one end of the temperature sensor module is electrically connected with the high-voltage connection terminal, and the other end of the temperature sensor module is electrically connected with the circuit function board.
In summary, due to the adoption of the technical scheme, the beneficial effects of the application are as follows:
1. according to the application, after the high-voltage connection terminal provides working voltage and current for the electric energy meter to be tested, based on the feedback signals of each functional module on the electric energy meter to be tested received by each module connection terminal, whether the function of the electric energy meter to be tested is normal or not is detected, and the temperature of the high-voltage connection terminal is obtained in real time through the temperature sensor module, so that the high-voltage connection terminal with the temperature higher than the preset temperature threshold is used for providing working voltage or current for the electric energy meter to be tested, the temperature of the electric energy meter current terminal can be accurately monitored in real time, and overload can be automatically cut off when the temperature of the electric current terminal is too high, so that safety is ensured.
2. According to the application, the reciprocating mechanism and the transmission mechanism are arranged, and the linkage mechanism of the reciprocating mechanism and the transmission mechanism is adjusted, so that the temperature measuring device forms equipment with higher degree of automation in the conveying and detecting processes of the electric energy meter, the temperature detecting efficiency of the electric energy meter is improved, and the device is suitable for mass production and detection of the electric energy meter.
Drawings
FIG. 1 shows a schematic diagram of the overall structure of a temperature measuring device according to an embodiment of the present application.
Fig. 2 shows a schematic structural diagram of a transmission mechanism and a reciprocating mechanism according to an embodiment of the application.
Fig. 3 is another schematic view of the transmission mechanism and the reciprocating mechanism according to the embodiment of the application.
Fig. 4 shows a schematic structural diagram of a transmission mechanism according to an embodiment of the present application.
Fig. 5 shows a schematic structural view of a reciprocating mechanism provided according to an embodiment of the present application.
Fig. 6 shows a schematic view of a first state of a reciprocating mechanism provided according to an embodiment of the present application.
Fig. 7 shows a schematic view of a second state of the reciprocating mechanism provided according to an embodiment of the present application.
Fig. 8 shows a third state schematic of the reciprocating mechanism provided according to an embodiment of the present application.
Legend description:
1. a base; 2. a base; 3. a groove; 4. a rotating shaft; 5. a conveyor belt; 6. a transmission shaft; 7. an L-shaped frame; 8. a first connecting shaft; 9. a gear; 10. a first driving roller; 11. a first belt; 12. a sector plate; 13. a slide rail; 14. a rack; 15. a first through groove; 16. a second connecting shaft; 17. a first connecting rod; 18. a second connecting rod; 19. a spool; 20. a second driving roller; 21. a driving motor; 22. a first bracket; 23. a second belt; 24. a turntable; 25. a chute; 2501. an arc-shaped groove I; 2502. an arc-shaped groove II; 2503. an arc-shaped groove III; 26. a second bracket; 27. a third connecting shaft; 28. a swing arm I; 29. a high voltage connection terminal; 30. swing arm II; 31. a second through groove; 32. an L-shaped rod; 33. a first sliding block; 34. a second slide block; 35. a temperature sensor module; 36. the module is connected with the terminal.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1-8, the present application provides a technical solution:
the accurate temperature measuring device of the electric energy meter comprises a base 1, wherein a base 2 is arranged on the base 1, a groove 3 is formed in the base 1, a conveyor belt 5 is rotatably connected to the inner side wall of the groove 3 through a rotating shaft 4, a transmission shaft 6 which is coaxially arranged is fixedly connected to one end of the rotating shaft 4, and a transmission mechanism for driving the conveyor belt 5 to reciprocate and a reciprocating mechanism matched with the conveyor belt 5 are arranged on the base 1; the reciprocating mechanism comprises a first bracket 22 and a second bracket 26 which are fixedly connected with the upper end face of the base 1, a driving motor 21 is arranged on the base 2, the output end of the driving motor 21 penetrates through the first bracket 22 and is fixedly connected with a rotating disc 24 which is coaxially arranged, one side of the rotating disc 24 is provided with a sliding groove 25, a third connecting shaft 27 penetrates through the second bracket 26, two ends of the third connecting shaft 27 are respectively fixedly connected with a first swing arm 28 and a second swing arm 30, a high-pressure connection terminal 29 is arranged on the first swing arm 28, a second through groove 31 is formed in the second swing arm 30, an L-shaped rod 32 is rotatably connected on the second bracket 26, one end of the L-shaped rod 32 is fixedly connected with a first sliding block 33 matched with the sliding groove 25, and the other end of the L-shaped rod 32 is fixedly connected with a second sliding block 34 matched with the second through groove 31; the transmission mechanism comprises an L-shaped frame 7 fixedly connected with the upper end face of the base 1, a first connecting shaft 8 and a second connecting shaft 16 penetrate through the L-shaped frame 7, two ends of the first connecting shaft 8 are respectively and fixedly connected with a gear 9 and a first transmission roller 10 which are coaxially arranged, the first transmission roller 10 is connected with a transmission shaft 6 through a first belt 11, two ends of the second connecting shaft 16 are respectively and fixedly connected with a first connecting rod 17 and a second transmission roller 20, the second transmission roller 20 is connected with the output end of a driving motor 21 through a second belt 23, a sector plate 12 is rotatably connected to the L-shaped frame 7, a sliding rail 13 is arranged on the outer side of the sector plate 12, a rack 14 is slidably connected to the sliding rail 13, the rack 14 is meshed with the gear 9, a through groove 15 is formed in the sector plate 12, one end of the first connecting rod 17, which is far away from the second connecting shaft 16, one end of the second connecting rod 18 is far away from the first connecting rod 17, a sliding column 19 is fixedly connected with the sliding column 19, and the sliding column 19 is slidably connected with the through groove 15. The temperature measuring device is provided with the reciprocating mechanism and the transmission mechanism, and the linkage mechanism of the reciprocating mechanism and the transmission mechanism is adjusted, so that the temperature measuring device forms equipment with higher degree of automation in the conveying and detecting processes of the electric energy meter, the temperature detecting efficiency of the electric energy meter is improved, and the temperature measuring device is suitable for mass production and detection of the electric energy meter.
Specifically, as shown in fig. 5, 6, 7 and 8, the chute 25 includes a first arc-shaped slot 2501, a third arc-shaped slot 2503 and a second arc-shaped slot 2502, wherein one end of the first arc-shaped slot 2501 is communicated with one end of the third arc-shaped slot 2503 through one section of the second arc-shaped slot 2502, the other end of the first arc-shaped slot 2501 is communicated with the other end of the third arc-shaped slot 2503 through another section of the second arc-shaped slot 2502, and the first arc-shaped slot 2501, the third arc-shaped slot 2503 and the second arc-shaped slot 2502 are connected end to form a closed loop. The swing arm I28 and the swing arm II 30 are arranged in parallel, and the swing arm I28 and the swing arm II 30 are respectively positioned on two sides of the connecting shaft III 27. When the first sliding block 33 is positioned in the first arc-shaped groove 2501, the high-voltage connection terminal 29 is positioned on the right side of the third connecting shaft 27, when the first sliding block 33 is positioned in the second arc-shaped groove 2502, the high-voltage connection terminal 29 is positioned above the third connecting shaft 27, when the first sliding block 33 is positioned in the third arc-shaped groove 2503, the high-voltage connection terminal 29 is positioned on the left side of the third connecting shaft 27, and when the first sliding block 33 slides in any one arc-shaped groove of the first arc-shaped groove 2501, the second arc-shaped groove 2502 and the third arc-shaped groove 2503, the high-voltage connection terminal 29 is kept stationary, and only when the first sliding block 33 enters the other arc-shaped groove from one arc-shaped groove, the first swinging arm 28 and the high-voltage connection terminal 29 can move, so that stability in the detection process of the electric energy meter is ensured, and meanwhile, the high-voltage connection terminal 29 can be suitable for detection of a plurality of different terminals of the electric energy meter.
Specifically, as shown in fig. 2 and 4, the length of the rack 14 is half the length of the slide rail 13, and the through grooves 15 are distributed along the radial direction of the sector plate 12. The arrangement of the rack 14 and the sliding rail 13 enables the rack 14 and the gear 9 to keep static through the relative sliding of the rack 14 and the sliding rail 13 after the swinging direction of the sector plate 12 is changed, so that the conveyor belt 5 keeps static for a period of time, the electric energy meter to be measured is measured while the conveyor belt 5 keeps static, preferably, a locking component is arranged between the through groove I15 and the sliding column 19, the position of the sliding column 19 in the through groove I15 is adjusted to change the stroke of the connecting rod II 18 for driving the sector plate 12 to swing reciprocally, and meanwhile, the radius of the driving roller I10 and the driving roller II 20 can be changed, and the transmission ratio of the driving roller I and the driving roller II can be changed, so that the transmission mechanism and the reciprocating mechanism can be matched better, and the stability of the electric energy meter in the detection process can be further ensured.
Specifically, as shown in fig. 1, a temperature sensor module 35 is disposed on the base 1, a module connection terminal 36 is disposed on the base 2, a circuit function board is disposed inside the base 2, one end of the module connection terminal 36 is electrically connected with the circuit function board, and the other end of the module connection terminal is plugged with each function module preset on the electric energy meter to be tested. One end of the high-voltage connection terminal 29 is electrically connected with the circuit function board, and the other end of the high-voltage connection terminal is in butt joint with a voltage current terminal preset on the electric energy meter to be tested. One end of the temperature sensor module 35 is electrically connected to the high-voltage connection terminal 29, and the other end is electrically connected to the circuit function board. After the working voltage and the current are provided for the electric energy meter to be tested through the high-voltage connection terminal 29, whether the function of the electric energy meter to be tested is normal or not is detected based on the feedback signals of all the functional modules on the electric energy meter to be tested received by each module connection terminal 36, and the temperature of the high-voltage connection terminal 29 is obtained in real time through the temperature sensor module 35, so that the high-voltage connection terminal 29 with the temperature higher than the preset temperature threshold is used for providing the working voltage or the current for the electric energy meter to be tested, the current terminal temperature of the electric energy meter can be accurately monitored in real time, and overload can be automatically cut off when the current terminal temperature is too high, so that the safety is ensured.
In summary, in the accurate temperature measuring device of the electric energy meter provided in this embodiment, when in use, firstly, the electric energy meter to be measured is placed on the conveyor belt 5, the driving motor 21 rotates to drive the driving roller two 20 to rotate through the belt two 23, so that the connecting shaft two 16 and the connecting rod one 17 rotate to drive the connecting rod two 18 to swing, and further the sector plate 12 is pulled to swing reciprocally, when the sector plate 12 swings towards a certain direction, firstly, the rack 14 and the slide rail 13 slide relatively, at this time, the rack 14 and the gear 9 keep relatively static, until the rack 14 slides from one side to the other side of the slide rail 13, the sector plate 12 swings to drive the rack 14 to move, so as to drive the gear 9 to rotate, and drive the driving shaft 6 to rotate through the transmission of the connecting shaft one 8, the driving roller one 10 and the belt one 11, so that the conveyor belt 5 is driven to move, and the electric energy meter to be measured is driven to move to a detection area, when the electric energy meter to be measured moves to the detection area, the driving motor 21 continuously rotates, the fan-shaped plate 12 is pulled to reversely swing through the connecting rod II 18, and similarly, after the fan-shaped plate 12 reversely swings, the rack 14 and the sliding rail 13 relatively slide, at the moment, the rack 14 and the gear 9 still keep relatively static, namely the conveyor belt 5 keeps static, the driving motor 21 drives the fan-shaped plate 12 to swing and simultaneously drives the turntable 24 to rotate, after the electric energy meter to be measured moves to the detection area, the first sliding block 33 enters the first arc-shaped groove 2501 from the second arc-shaped groove 2502, so that the L-shaped rod 32 swings, the first swing arm 28 and the second swing arm 30 are driven to swing through the second sliding block 34, so that the first swing arm 28 rotates to the horizontal direction, at the moment, the high-voltage connection terminal 29 is connected with the electric energy meter to be measured, and after the high-voltage connection terminal 29 supplies working voltage and current to the electric energy meter to be measured, based on the feedback signals of the functional modules on the electric energy meter to be tested received by each module connection terminal 36, whether the function of the electric energy meter to be tested is normal or not is detected, the temperature of the high-voltage connection terminal 29 is obtained in real time through the temperature sensor module 35, so that the high-voltage connection terminal 29 with the temperature higher than the preset temperature threshold is rapidly interrupted to provide working voltage or current for the electric energy meter to be tested, the temperature of the electric energy meter current terminal can be accurately monitored in real time, overload can be automatically cut off when the temperature of the electric current terminal is too high to ensure safety, after detection is finished, the first slider 33 enters the second arc-shaped groove 2502 from the first arc-shaped groove 2501, the first swing arm 28 rotates to the vertical direction, the first slider 33 continues to enter the third arc-shaped groove 2503 from the second arc-shaped groove 2502, the first swing arm 28 continues to rotate to the horizontal direction, and is positioned on the other side of the third connecting shaft 27, so that the other port of the electric energy meter to be tested is subjected to the same detection, after detection is finished, a new electric energy meter to be tested is placed on the conveying belt 5, the driving motor 21 drives the conveying belt 5 to drive the detected electric energy meter to leave the detection zone, and the electric energy meter to be detected to move to the detection zone to the next work zone to be convenient.
The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The utility model provides an accurate temperature measuring device of electric energy meter, includes base (1), its characterized in that, be equipped with base (2) on base (1), set up recess (3) on base (1), the inside wall of recess (3) is connected with conveyer belt (5) through pivot (4) rotation, pivot (4) one end fixedly connected with transmission shaft (6) of coaxial setting, be equipped with on base (1) drive conveyer belt (5) reciprocating motion's drive mechanism and with conveyer belt (5) matched with reciprocating mechanism;
the reciprocating mechanism comprises a first bracket (22) and a second bracket (26) which are fixedly connected with the upper end face of a base (1), a driving motor (21) is arranged on the base (2), the output end of the driving motor (21) penetrates through the first bracket (22) and is fixedly connected with a rotary table (24) which is coaxially arranged, one side of the rotary table (24) is provided with a sliding groove (25), a third connecting shaft (27) penetrates through the second bracket (26), two ends of the third connecting shaft (27) are fixedly connected with a first swing arm (28) and a second swing arm (30) respectively, a high-pressure connection terminal (29) is arranged on the first swing arm (28), a second through groove (31) is formed in the second swing arm (30), an L-shaped rod (32) is connected onto the second bracket (26) in a rotating mode, one end of the L-shaped rod (32) is fixedly connected with a first sliding block (33) which is matched with the sliding groove (25), and the other end of the L-shaped rod (32) is fixedly connected with a second sliding block (34) which is matched with the second through groove (31);
the transmission mechanism comprises an L-shaped frame (7) fixedly connected with the upper end face of a base (1), a first connecting shaft (8) and a second connecting shaft (16) are penetrated on the L-shaped frame (7), gears (9) and a first driving roller (10) which are coaxially arranged are fixedly connected at two ends of the first connecting shaft (8), the first driving roller (10) is connected with a transmission shaft (6) through a first belt (11), a first connecting rod (17) and a second driving roller (20) are fixedly connected at two ends of the second connecting shaft (16) respectively, the second driving roller (20) is connected with the output end of a driving motor (21) through a second belt (23), a sector plate (12) is connected to the L-shaped frame (7) in a rotating mode, a sliding rail (13) is arranged on the outer side of the sector plate (12), a first rack (14) is connected with the gears (9) in a meshed mode, a first through groove (15) is formed in the sector plate (12), the first connecting rod (17) is far away from the second connecting shaft (16) and is connected with a second connecting rod (19) through a second connecting rod (19), and one end of the second connecting rod (19) is connected with a sliding column (19).
2. The precise temperature measurement device of the electric energy meter according to claim 1, wherein the chute (25) comprises a first arc-shaped groove (2501), a third arc-shaped groove (2503) and a second arc-shaped groove (2502), one end of the first arc-shaped groove (2501) is communicated with one end of the third arc-shaped groove (2503) through the second arc-shaped groove (2502), the other end of the first arc-shaped groove (2501) is communicated with the other end of the third arc-shaped groove (2503) through the second arc-shaped groove (2502), and the first arc-shaped groove (2501), the third arc-shaped groove (2503) and the second arc-shaped groove (2502) are connected end to form a closed loop.
3. The precise temperature measuring device of the electric energy meter according to claim 1, wherein the swing arm I (28) and the swing arm II (30) are arranged in parallel, and the swing arm I (28) and the swing arm II (30) are respectively positioned at two sides of the connecting shaft III (27).
4. The precise temperature measuring device of the electric energy meter according to claim 1, wherein the length of the rack (14) is half of the length of the sliding rail (13), and the through grooves I (15) are distributed along the radial direction of the sector plate (12).
5. The accurate temperature measurement device of the electric energy meter according to claim 1, wherein the base (1) is provided with a temperature sensor module (35), the base (2) is provided with a module connection terminal (36), a circuit function board is arranged inside the base (2), one end of the module connection terminal (36) is electrically connected with the circuit function board, and the other end of the module connection terminal is connected with each preset function module on the electric energy meter to be measured in an inserting mode.
6. The accurate temperature measurement device of an electric energy meter according to claim 5, wherein one end of the high-voltage connection terminal (29) is electrically connected with the circuit function board, and the other end is in butt joint with a voltage current terminal preset on the electric energy meter to be measured.
7. The accurate temperature measurement device of an electric energy meter according to claim 6, wherein one end of the temperature sensor module (35) is electrically connected with the high-voltage connection terminal (29), and the other end is electrically connected with the circuit function board.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311465677.8A CN117214805B (en) | 2023-11-07 | 2023-11-07 | Accurate temperature measuring device of electric energy meter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311465677.8A CN117214805B (en) | 2023-11-07 | 2023-11-07 | Accurate temperature measuring device of electric energy meter |
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| CN117214805B CN117214805B (en) | 2024-01-30 |
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