Electric energy metering device without power cut

Abstract

The application discloses a kind of electric energy metering device of not power change table, and the application relates to electric energy metering device technical field.The specific includes: cabinet and the two electric energy meter body of being installed in cabinet inside, the lower portion of electric energy meter body is provided with fixed seat, fixed seat is installed on the inner wall of cabinet, the side of fixed seat is provided with clamping plate, bolt is threaded on clamping plate, and threaded hole that cooperates with bolt is formed in fixed seat;Line board is arranged between electric energy meter body and corresponding fixed seat, and line board is installed on the inner wall of cabinet, third electric contact piece is fixedly embedded on line board, the electric energy metering device of not power change table, by setting up resisting plate, screw rod and other structures, compared with the mode of screw fixation in prior art, can be completed simultaneously to the extrusion positioning and winding of wire when extruding positioning to electric energy meter body, and it is convenient to extrusion positioning and not power change table, improve the use efficiency of electric energy metering device.

Description

Technical Field

[0001] This invention relates to the field of electricity metering device technology, specifically to an electricity metering device that allows for uninterrupted meter replacement. Background Technology

[0002] Both the periodic replacement and change-of-service meter replacement require a short power outage for the customer. Therefore, to ensure that the power outage notification is delivered, the customer must be notified again half an hour in advance before the meter replacement operation, which further increases the working time and reduces efficiency. Summary of the Invention

[0003] To solve the above technical problems, the present invention provides an energy metering device that can replace meters without power failure, specifically including: a cabinet and two energy meter bodies installed inside the cabinet. A fixing seat is provided below the energy meter body. The fixing seat is installed on the inner wall of the cabinet. A clamping plate is provided on the side of the fixing seat. Bolts are passed through the clamping plate, and threaded holes that cooperate with the bolts are opened on the fixing seat.

[0004] A wiring board is provided between the electricity meter body and the corresponding fixed base, and the wiring board is installed on the inner wall of the cabinet. A third electrical contact is fixedly embedded on the wiring board, and a first wiring is connected to the third electrical contact. The external wiring for connecting the main line is selectively connected to either of the two first wirings through a switching mechanism.

[0005] The side wall of the terminal block is provided with a threaded groove, and a screw is threadedly connected inside the threaded groove. The screw is provided with a wire groove through which the wire of the power meter body passes. When the clamping plate squeezes and fixes the power meter body, the linkage mechanism drives the screw to rotate and wind and fix the wire. The screw is connected to the third electrical contact.

[0006] Preferably, the terminal block has an inner groove that communicates with the threaded groove, and the inner diameter of the inner groove is larger than the inner diameter of the threaded groove. The third electrical contact extends into the inner groove. An inner plate is provided inside the inner groove. The inner plate is fixedly connected to the screw. The inner plate abuts against the third electrical contact. A first spring is provided inside the inner groove. One end of the first spring abuts against the inner plate, and the other end of the first spring abuts against the inner wall of the inner groove.

[0007] Preferably, the end of the screw near the clamping plate is provided with a sliding groove, which communicates with the wire groove. A pressure rod is slidably disposed inside the sliding groove, and a pressure block is slidably disposed inside the wire groove. The pressure block is fixedly connected to the pressure rod. A stop plate is rotatably connected to the end of the pressure rod away from the pressure block. A second spring is fitted on the outside of the pressure rod. One end of the second spring abuts against the stop plate, and the other end of the second spring abuts against the screw.

[0008] Preferably, the linkage mechanism comprises a support rod and a top plate, the support rod is fixedly connected to the clamping plate, the top plate is fixedly connected to one end of the support rod away from the top plate, and the top plate is in abutting fit with the abutting plate.

[0009] Preferably, the two ends of the top of the fixing seat are fixedly connected with side plates, the electric energy meter body is located between the two side plates, the side plates are fixedly connected with supporting blocks for supporting the electric energy meter body on the side of the side plates close to each other, the supporting blocks are fixedly connected with extension rods, and the extension rods are attached to the bottom of the electric energy meter body.

[0010] Preferably, the side plates are fixedly connected with elastic sheets on the side of the side plates close to each other, and the elastic sheets are located above the supporting blocks.

[0011] Preferably, the fixing seat is fixedly connected with a guide rod, and the clamping plate is provided with a through hole matched with the guide rod.

[0012] Preferably, the switching mechanism comprises a switching box, the switching box is installed in the interior of the cabinet body, first electric contact sheets are installed at the upper and lower ends in the interior of the switching box, the first electric contact sheets are in butt joint with corresponding first wiring, second electric contact sheets are installed in the interior of the switching box and are in butt joint with external wiring, a sliding channel is formed in the side wall of the switching box, a switching button is slidably arranged in the interior of the sliding channel, and a switching frame is arranged in the interior of the switching box and is fixed to the switching button.

[0013] Preferably, the screw grooves are provided in plurality, and the plurality of screw grooves are uniformly distributed.

[0014] Preferably, the two electric energy meter bodies are arranged in correspondence with each other in up-down direction.

[0015] The application provides an electric energy metering device for changing meter without power cut.

[0016] 1. The electric energy metering device for changing meter without power cut, by arranging the abutting plate, screw rod and other structures, compared with the screw fixing mode in the prior art, the electric energy meter body can be positioned and extruded, the wire can be simultaneously positioned and extruded and wound, the extrusion positioning and meter changing without power cut are facilitated, and the use efficiency of the electric energy metering device is improved.

[0017] 2. The electric energy metering device for changing meter without power cut, by arranging the switching box, first electric contact sheet, second electric contact sheet and switching frame, the switching button is slid in the interior of the sliding channel, the switching frame is connected with different first electric contact sheets, the meter is quickly changed without power cut, and the control is convenient.

[0018] 3. The electric energy metering device for changing meter without power cut, by arranging the fixing seat, clamping plate and side plate, the electric energy meter body is quickly fixed, the stability is high, and the replacement is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of the energy metering device with uninterrupted power meter replacement according to the present invention.

[0020] Figure 2 This is a schematic diagram of the energy meter body and the first wiring structure of the present invention;

[0021] Figure 3 For the present invention Figure 2 Enlarged schematic diagram of the structure at point A in the middle;

[0022] Figure 4 This is a schematic diagram of the guide rod and clamping plate structure of the present invention;

[0023] Figure 5 For the present invention Figure 4 Enlarged schematic diagram of the structure at point B;

[0024] Figure 6 This is a schematic diagram of the structure of the electricity meter body of the present invention;

[0025] Figure 7 For the present invention Figure 6 Enlarged schematic diagram of the structure at point C;

[0026] Figure 8 This is a schematic diagram of the switching box and switching button structure of the present invention.

[0027] In the diagram: 1. Cabinet; 2. Electricity meter body; 3. First wiring; 4. Switching box; 5. First electrical contact; 6. Second electrical contact; 7. External wiring; 8. Switching frame; 9. Sliding channel; 10. Switching button; 11. Fixed base; 12. Side plate; 13. Support block; 14. Extension rod; 15. Elastic plate; 16. Guide rod; 17. Clamping plate; 18. Bolt; 19. Threaded hole; 20. Terminal block; 21. Wire; 22. Inner groove; 23. Threaded groove; 24. Inner plate; 25. First spring; 26. Wire groove; 27. Slide groove; 28. Pressure rod; 29. ​​Support plate; 30. Pressure block; 31. Support rod; 32. Top plate; 33. Third electrical contact; 34. Screw; 35. Second spring. Detailed Implementation

[0028] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the invention to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described to better illustrate the principles and practical application of the invention, and to enable those skilled in the art to understand the invention and design various embodiments with various modifications suitable for a particular purpose.

[0029] likeFigures 1-8 As shown, the present invention provides a technical solution: an energy metering device that allows for uninterrupted meter replacement, specifically including: a cabinet 1 and two energy meter bodies 2 installed inside the cabinet 1. The two energy meter bodies 2 are distributed vertically and vertically. In actual use, four, six, etc., can be set, with the corresponding two energy meter bodies 2 working together.

[0030] A mounting base 11 is provided below the main body 2 of the electricity meter. The mounting base 11 is installed on the inner wall of the cabinet 1. Side plates 12 are fixedly connected to both ends of the top of the mounting base 11. The main body 2 of the electricity meter is located between the two side plates 12. Support blocks 13 for supporting the main body 2 are fixedly connected to the side of the two side plates 12 that are close to each other. Extension rods 14 are fixedly connected to the support blocks 13 and are attached to the bottom of the main body 2 of the electricity meter. The extension rods 14 are provided to increase the contact area with the main body 2 of the electricity meter and ensure the stability of the support. The support blocks 13 and extension rods 14 on both sides form a support frame to support the main body 2 of the electricity meter.

[0031] On the side of each of the two side plates 12 that are close to each other, there is a fixed elastic sheet 15, and the elastic sheet 15 is located above the support block 13.

[0032] A clamping plate 17 is provided on the side of the fixed base 11. A bolt 18 is passed through the clamping plate 17, and a threaded hole 19 is provided on the fixed base 11 to cooperate with the bolt 18. A guide rod 16 is fixedly connected to the fixed base 11, and a through hole is provided on the clamping plate 17 to cooperate with the guide rod 16. The guide rod 16 is provided to cooperate with the clamping plate 17 to improve the stability of the movement of the clamping plate 17.

[0033] In actual use, the electricity meter body 2 is inserted between the two side plates 12, and the bottom of the electricity meter body 2 rests on the support frame formed by the two side blocks 13 and the extension rod 14. At the same time, the elastic plates 15 on both sides are attached to the outer walls of the electricity meter body 2 to initially fix the electricity meter body 2. Then, the bolt 18 is rotated to drive the clamping plate 17 to move towards the electricity meter body 2 to squeeze and position the electricity meter body 2.

[0034] A terminal block 20 is provided between the electricity meter body 2 and the corresponding fixed base 11, and the terminal block 20 is installed on the inner wall of the cabinet 1. A third electrical contact 33 is fixedly embedded on the terminal block 20. In actual use, multiple third electrical contacts 33 are provided. The first wiring 3 is connected to the third electrical contact 33 and extends to the outside of the terminal block 20. That is, there are also multiple first wiring 3s. Only one is shown in the attached figure. The working principle is the same.

[0035] The external line 7 for the external main line is connected with any one of the two first lines 3 through a switching mechanism, the switching mechanism comprises a switching box 4 installed in the interior of the cabinet body 1, the upper and lower ends of the interior of the switching box 4 are both provided with a first electric contact piece 5, the first electric contact piece 5 is connected with the corresponding first line 3, the interior of the switching box 4 is provided with a second electric contact piece 6 connected with the external line 7, a sliding channel 9 is formed in the side wall of the switching box 4, a switching button 10 is slidably arranged in the interior of the sliding channel 9, the interior of the switching box 4 is provided with a switching frame 8, the switching frame 8 is fixed on the switching button 10, and the switching button 10 and the sliding channel 9 have damping feeling, when the switching button 10 is pressed by the operator, the switching button 10 can slide in the interior of the sliding channel 9, and after the external force stops, the switching button 10 stops sliding.

[0036] The switching frame 8 is in T shape, the switching frame 8 always keeps in contact with the second electric contact piece 6, for example, when the switching button 10 is controlled to move upward, the second electric contact piece 6 can be connected with the first electric contact piece 5 at the top position, when the switching button 10 is controlled to move downward, the second electric contact piece 6 can be connected with the first electric contact piece 5 at the bottom position, so that the meter replacement without power cut is realized.

[0037] The switching box 4, the first electric contact piece 5, the second electric contact piece 6 and the switching frame 8 are arranged, so that the meter replacement without power cut is realized, and the operation is convenient.

[0038] The fixed seat 11, the clamping plate 17 and the side plate 12 are arranged, so that the electric energy meter body 2 is quickly fixed, and the replacement is convenient.

[0039] In order to quickly connect the wire 21 of the electric energy meter body 2 with the wiring board 20, a plurality of threaded grooves 23 are formed in the side wall of the wiring board 20, the plurality of threaded grooves 23 are uniformly distributed, a wire groove 26 for the wire 21 of the electric energy meter body 2 to pass through is formed in the outer wall of the screw rod 34, an inner groove 22 in communication with the threaded grooves 23 is formed in the interior of the wiring board 20, the inner diameter of the inner groove 22 is larger than the inner diameter of the threaded grooves 23, and the third electric contact piece 33 extends into the interior of the corresponding inner groove 22.

[0040] The threaded grooves 23 are threadedly connected with the screw rod 34, the inner wall of the threaded grooves 23 is provided with internal threads, the outer wall of the screw rod 34 is provided with external threads, the internal threads are matched with the external threads, and the internal threads and the external threads are both smooth to ensure stable matching.

[0041] The inner groove 22 is provided with an inner plate 24 fixedly connected with the screw rod 34, the inner plate 24 is in abutting connection with the third electric contact piece 33, the inner groove 22 is provided with a first spring 25, one end of the first spring 25 is in abutting connection with the inner plate 24, and the other end of the first spring 25 is in abutting connection with the inner wall of the inner groove 22.

[0042] The screw rod 34 is provided with a sliding groove 27 near one end of the clamping plate 17, the sliding groove 27 is communicated with the wire slot 26, the sliding groove 27 is internally slidably provided with a pressing rod 28, the wire slot 26 is internally slidably provided with a pressing block 30, the pressing block 30 is fixedly connected to the pressing rod 28, one end of the pressing rod 28 away from the pressing block 30 is rotatably connected with an abutting plate 29, the pressing rod 28 is externally sleeved with a second spring 35, one end of the second spring 35 abuts against the abutting plate 29, the other end of the second spring 35 abuts against the screw rod 34, and the elastic supporting force of the first spring 25 is greater than that of the second spring 35.

[0043] The clamping plate 17 is provided with a linkage mechanism, the linkage mechanism comprises a supporting rod 31 and a top plate 32, the supporting rod 31 is fixedly connected to the clamping plate 17, the top plate 32 is fixedly connected to one end of the supporting rod 31 away from the top plate 32, and the top plate 32 is in abutting cooperation with the abutting plate 29.

[0044] The wiring board 20 is made of insulating materials, such as phenolic resin; the screw rod 34, the inner plate 24 and the third electric contact 33 are made of conductive materials, such as iron.

[0045] In actual use, the wire 21 is inserted into the corresponding wire slot 26.

[0046] When the clamping plate 17 moves towards the electric energy meter body 2 to press and position the electric energy meter body 2, the clamping plate 17 drives the top plate 32 to move synchronously through the supporting rod 31, the clamping plate 17 contacts the abutting plate 29 and presses the abutting plate 29 towards the wiring board 20, the abutting plate 29 drives the pressing rod 28 and the pressing block 30 to move towards the wiring board 20 due to the elastic supporting force of the first spring 25 being greater than that of the second spring 35, the pressing block 30 presses the wire 21 in the wire slot 26 to press and position the wire 21 after the second spring 35 is completely contracted, then the screw rod 34 moves towards the inner groove 22, the first spring 25 is contracted, the screw rod 34 is rotated and drives the pressing rod 28 and the like to rotate synchronously due to the threaded connection between the sliding groove 27 and the pressing rod 28 under the pressing force, so that the wire 21 is wound on the screw rod 34, the press and positioning and winding of the wire 21 are completed, and the stability of the wire 21 is ensured.

[0047] Compared with the screw fixing mode in the prior art, the abutting plate 29 and the screw rod 34 are arranged in the present application, the press and positioning and winding of the wire 21 are completed synchronously when the electric energy meter body 2 is press positioned, the press and positioning and non-power-off meter replacement are facilitated, and the use efficiency of the electric energy metering device is improved.

[0048] The inner plate 24 and the third electric contact 33 abut against each other after the first spring 25 is completely contracted, and the wire 21 is connected to the corresponding first wiring 3.

[0049] Working principle: the electric energy meter body 2 is inserted between the two side plates 12, and the bottom end of the electric energy meter body 2 falls on the support frame formed by the two side supporting blocks 13 and the extension rod 14, and the two elastic sheets 15 on the two sides are respectively attached to the two side outer walls of the electric energy meter body 2 to preliminarily fix the electric energy meter body 2; then the bolt 18 is rotated to drive the clamping plate 17 to move towards the electric energy meter body 2 to extrude and position the electric energy meter body 2.

[0050] The extension rod 14 expands the contact area with the electric energy meter body 2 to ensure the stability of the support, and the two side supporting blocks 13 and the extension rod 14 form a support frame to support the electric energy meter body 2.

[0051] When the clamping plate 17 moves towards the electric energy meter body 2 to extrude and position the electric energy meter body 2, the clamping plate 17 drives the top plate 32 to synchronously move through the supporting rod 31, the clamping plate 17 contacts the abutting plate 29 and extrudes the abutting plate 29 towards the wiring board 20, the abutting plate 29 drives the pressing rod 28 and the pressing block 30 to move towards the wiring board 20 due to the fact that the elastic supporting force of the first spring 25 is greater than that of the second spring 35, the pressing block 30 extrudes and positions the wire 21 in the wire slot 26 after the second spring 35 is completely contracted, and the wire 21 is extruded and positioned; then the screw rod 34 moves towards the inner slot 22, the first spring 25 is contracted, and the screw rod 34 is rotated and drives the pressing rod 28 and the like to synchronously rotate due to the fact that the sliding groove 27 and the pressing rod 28 are threadedly connected and are subjected to the extrusion force, so that the wire 21 is wound on the screw rod 34, the extrusion positioning and winding of the wire 21 are completed, and the stability of the wire 21 is ensured.

[0052] After the first spring 25 is completely contracted, the inner plate 24 abuts against the third electric contact 33, and the wire 21 is connected with the corresponding first wiring 3.

[0053] The switching frame 8 and the second electric contact 6 always keep contact, for example, when the switching button 10 is controlled to move upwards, the second electric contact 6 can be connected with the first electric contact 5 at the top position, and when the switching button 10 is controlled to move downwards, the second electric contact 6 can be connected with the first electric contact 5 at the bottom position, so that the electric energy meter can be replaced without power interruption.

[0054] Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art and related fields without creative work should belong to the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application, such as without special description and limitation, are implemented according to the conventional means in the art.

Claims

1. An energy metering device that allows for uninterrupted meter replacement, specifically comprising: The cabinet (1) and two electricity meter bodies (2) installed inside the cabinet (1) are characterized in that: a fixing seat (11) is provided below the electricity meter body (2), the fixing seat (11) is installed on the inner wall of the cabinet (1), a clamping plate (17) is provided on the side of the fixing seat (11), a bolt (18) is passed through the clamping plate (17), and a threaded hole (19) that mates with the bolt (18) is opened on the fixing seat (11); A terminal block (20) is provided between the main body (2) of the electricity meter and the corresponding fixed base (11), and the terminal block (20) is installed on the inner wall of the cabinet (1). A third electrical contact (33) is fixedly embedded on the terminal block (20), and a first wiring (3) is connected to the third electrical contact (33). The external wiring (7) used for connecting the main line is connected to either of the two first wirings (3) through a switching mechanism. The terminal block (20) has a threaded groove (23) on its side wall. The threaded groove (23) is connected to a screw (34) with a thread inside. The screw (34) has a wire groove (26) through which the wire (21) of the power meter body (2) passes. When the clamp (17) presses and fixes the power meter body (2), the screw (34) is rotated by the linkage mechanism to wind and fix the wire (21). The screw (34) is connected to the third contact piece (33). The linkage mechanism includes a support rod (31) and a top plate (32). The support rod (31) is fixedly connected to the clamping plate (17), and the top plate (32) is fixedly connected to the end of the support rod (31) away from the top plate (32). The top plate (32) abuts against the abutment plate (29). The switching mechanism includes a switching box (4), which is installed inside the cabinet (1). The upper and lower ends of the switching box (4) are equipped with first electrical contacts (5), which are connected to the corresponding first wiring (3). The switching box (4) is equipped with a second electrical contact (6) that is connected to the external wiring (7). A sliding channel (9) is provided on the side wall of the switching box (4). A switching button (10) is slidably arranged inside the sliding channel (9). A switching frame (8) is provided inside the switching box (4), and the switching frame (8) is fixed on the switching button (10).

2. The power metering device with uninterrupted meter replacement according to claim 1, characterized in that: The wiring board (20) has an inner groove (22) that corresponds to and communicates with the threaded groove (23), and the inner diameter of the inner groove (22) is larger than the inner diameter of the threaded groove (23). The third electrical contact (33) extends into the inner groove (22). The inner groove (22) is provided with an inner plate (24), which is fixedly connected to the screw (34). The inner plate (24) and the third electrical contact (33) abut against each other. The inner groove (22) is provided with a first spring (25), one end of which abuts against the inner plate (24), and the other end of which abuts against the inner wall of the inner groove (22).

3. The power metering device with uninterrupted meter replacement according to claim 1, characterized in that: The screw (34) has a groove (27) at one end near the clamp (17), which is connected to the wire groove (26). A pressure rod (28) is slidably arranged inside the groove (27), and a pressure block (30) is slidably arranged inside the wire groove (26). The pressure block (30) is fixedly connected to the pressure rod (28). A stop plate (29) is rotatably connected to one end of the pressure rod (28) away from the pressure block (30). A second spring (35) is fitted on the outside of the pressure rod (28). One end of the second spring (35) abuts against the stop plate (29), and the other end of the second spring (35) abuts against the screw (34).

4. The power metering device with uninterrupted meter replacement according to claim 1, characterized in that: Both ends of the top of the fixed base (11) are fixedly connected to side plates (12). The electricity meter body (2) is located between the two side plates (12). On the side of the two side plates (12) that are close to each other, there are fixed blocks (13) for supporting the electricity meter body (2). An extension rod (14) is fixedly connected to the support block (13), and the extension rod (14) is attached to the bottom of the electricity meter body (2).

5. The power metering device with uninterrupted meter replacement according to claim 4, characterized in that: On the side of the two side plates (12) that are close to each other, there are elastic sheets (15) fixedly connected, and the elastic sheets (15) are located above the support block (13).

6. The power metering device with uninterrupted meter replacement according to claim 1, characterized in that: A guide rod (16) is fixedly connected to the fixed base (11), and a through hole is provided on the clamping plate (17) to cooperate with the guide rod (16).

7. The power metering device with uninterrupted meter replacement according to claim 1, characterized in that: The threaded groove (23) is provided in multiple ways, and the multiple threaded grooves (23) are evenly distributed.

8. The power metering device with uninterrupted meter replacement according to claim 1, characterized in that: The two electricity meter bodies (2) are distributed vertically.

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