Modularized electric energy metering box

Abstract

The utility model relates to the technical field of metering boxes, and discloses a modularized electric energy metering box which comprises an outer box body, a box door is arranged on the front face of the outer box body, a mounting plate is fixedly connected to the inner wall of the outer box body, a slot is formed in the mounting plate, a connecting plate is movably connected to the interior of the slot, and the connecting plate is fixedly connected to the inner wall of the outer box body. An inner box body is fixedly connected to the side face of the connecting plate, a fixing device is arranged at the upper end of the mounting plate, a heat dissipation box is fixedly connected to the rear side of the outer box body, and a heat dissipation device is arranged in the heat dissipation box. The fixing device comprises a fixing box, the fixing box is fixedly connected to the top of the mounting plate, and through holes are formed in the top of the fixing box and the upper end of the mounting plate. According to the modularized electric energy metering box, the modularized inner box body can be quickly mounted and dismounted by arranging the fixing device, so that the modularized inner box body can be conveniently overhauled and maintained, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of metering boxes, in particular to a modular electric energy metering box. Background Art

[0002] The meter box is a collection of metering instruments and auxiliary equipment necessary for measuring electric energy, including electric energy meters, voltage and current transformers for measurement and their secondary circuits, electric energy metering panels, cabinets, boxes, etc. The meter box can be installed in a hanging or floor-standing manner. To ensure the quality of installation, the hanging box must be fixed with expansion bolts built into the chrysalis, and the bolt size must meet the requirements of safety and firmness and outdoor installation conditions.

[0003] For example, the Chinese patent: "CN 217956359 U", the technical solution disclosed in this patent is as follows: a modular electric energy meter box, including an electric meter, an infrared transceiver is installed on the electric meter, the electric energy box includes an upper box body, a connecting box body and a lower box body arranged in sequence from top to bottom, and the number of connecting boxes is at least 1; the upper box body, the connecting box body and the lower box body are detachably connected, and the upper box body, the connecting box body and the lower box body are internally connected; the upper box body, the connecting box body and the lower box body are all composed of an installation box, and a hanging strip is provided in the installation box, and the electric meter is installed on the hanging strip. The utility model discloses a modular electric energy meter box, which can expand the meter box according to design needs, is relatively convenient to install, is convenient for mass production, improves production efficiency, and also reduces production costs; at the same time, the upper box body, the connecting box body and the lower box body are internally connected, which improves the heat dissipation capacity and facilitates the wiring in the installation box.

[0004] However, in actual use, when the modular electric energy meter box is used, a large number of bolts are required for fixing and installing the connecting box body, the upper box body and the lower box body during assembly, which makes it inconvenient to dismantle and repair the modular box body, making the convenience of maintenance and use less than ideal. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the utility model provides a modular electric energy metering box.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a modular electric energy meter box, comprising an outer box body, a box door is provided on the front of the outer box body, a mounting plate is fixedly connected to the inner wall of the outer box body, a slot is provided inside the mounting plate, a connecting plate is movably connected inside the slot, an inner box body is fixedly connected to the side of the connecting plate, a fixing device is provided at the upper end of the mounting plate, a heat dissipation box is fixedly connected to the rear side of the outer box body, and a heat dissipation device is provided inside the heat dissipation box; the fixing device comprises a fixing box, the fixing box is fixedly connected to the top of the mounting plate, a through hole is provided at the top of the fixing box and the upper end of the mounting plate, a movable rod is slidably connected inside the through hole, a fixing block is provided on the outer wall fixing sleeve of the movable rod, a tension spring is provided on the outer movable sleeve of the movable rod, and the two ends of the tension spring are respectively fixedly connected to the lower end of the fixing block and the upper end of the mounting plate, a receiving groove is provided inside the mounting plate, a card slot is provided at the upper end of the connecting plate, a roller is provided at the bottom of the movable rod, and a pulling block is fixedly connected to the top of the movable rod.

[0009] Preferably, the inner end of the connecting plate is configured to be arc-shaped, thereby ensuring that the connecting plate can push the roller toward the upper end when in contact with the roller.

[0010] Preferably, the width of the accommodating groove is greater than the diameter of the roller, so that when the roller moves toward the upper end, the accommodating groove can accommodate it.

[0011] Preferably, the heat dissipation device includes a motor, the output end of the motor is fixedly connected to a transmission rod, the bottom of the transmission rod is rotatably connected to the inner wall of the heat dissipation box through a bearing, the outer wall of the transmission rod is fixedly sleeved with a worm, the side of the worm is meshed with a worm wheel, the middle part of the worm wheel is connected to a rotating rod, the rotating rod is rotatably connected to the inner wall of the heat dissipation box through a bearing, and the outer wall of the rotating rod is fixedly connected to the heat dissipation blade.

[0012] Preferably, the worm gear, the rotating rod, and the heat dissipation blades are provided in five groups and are evenly distributed in the vertical direction inside the heat dissipation box, thereby increasing the heat dissipation range and enhancing the heat dissipation effect.

[0013] Preferably, a heat dissipation hole is provided at the connection between the back side of the outer box and the heat dissipation box.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a modular electric energy metering box having the following

[0016] Beneficial effects:

[0017] 1. This modular electric energy meter box can realize the rapid installation and disassembly of the modular inner box body by setting a fixing device, thereby facilitating the inspection and maintenance thereof and improving the work efficiency.

[0018] Second, the modular electric energy metering box can realize a motor driving multiple heat dissipation blades to rotate by setting a heat dissipation device through the cooperation of a worm gear and a worm, thereby saving resources and improving the heat dissipation range and heat dissipation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0020] Figure 1 This is a schematic diagram of the three-dimensional appearance structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the internal structure of the outer box of the utility model;

[0022] Figure 3 This is a schematic diagram of the side sectional structure of the utility model;

[0023] Figure 4 For this utility model Figure 3 The enlarged structural diagram at A in the middle;

[0024] Figure 5 This is a schematic diagram of the structure of the heat dissipation device of the utility model.

[0025] In the figure: 1. outer box body; 2. box door; 3. mounting plate; 4. connecting plate; 5. inner box body; 6. fixing device; 601. fixing box; 602. through hole; 603. movable rod; 604. fixing block; 605. tension spring; 606. receiving groove; 607. card slot; 608. roller; 609. pulling block; 7. heat dissipation box; 8. heat dissipation device; 801. motor; 802. transmission rod; 803. worm; 804. worm wheel; 805. rotating rod; 806. heat dissipation blade. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] Example 1

[0028] like Figure 1-4As shown, the utility model provides a modular electric energy metering box, including an outer box body 1, a box door 2 is arranged on the front of the outer box body 1, a mounting plate 3 is fixedly connected to the inner wall of the outer box body 1, a slot is provided inside the mounting plate 3, a connecting plate 4 is movably connected inside the slot, an inner box body 5 is fixedly connected to the side of the connecting plate 4, a fixing device 6 is arranged on the upper end of the mounting plate 3, a heat dissipation box 7 is fixedly connected to the rear side of the outer box body 1, and a heat dissipation device 8 is arranged inside the heat dissipation box 7; the fixing device 6 includes a fixing box 601, the fixing box 601 is fixedly connected to the top of the mounting plate 3, and the fixing box A through hole 602 is provided on the top of 601 and the upper end of the mounting plate 3, and a movable rod 603 is slidably connected inside the through hole 602. A fixed block 604 is fixedly sleeved on the outer wall of the movable rod 603, and a tension spring 605 is provided on the outer movable sleeve of the movable rod 603. The two ends of the tension spring 605 are respectively fixedly connected to the lower end of the fixed block 604 and the upper end of the mounting plate 3. A receiving groove 606 is provided inside the mounting plate 3, and a clamping groove 607 is provided on the upper end of the connecting plate 4. A roller 608 is provided at the bottom of the movable rod 603, and a pull block 609 is fixedly connected to the top of the movable rod 603.

[0029] One end of the connecting plate 4 located on the inner side is configured to be arc-shaped, thereby ensuring that the connecting plate 4 can push the roller 608 toward the upper end when in contact with the roller 608 .

[0030] The width of the receiving groove 606 is greater than the diameter of the roller 608 , so that when the roller 608 moves toward the upper end, the receiving groove 606 can accommodate it.

[0031] In this embodiment, the fixing device 6 can be provided to realize quick installation and disassembly of the modular inner box 5, thereby facilitating the inspection and maintenance thereof and improving work efficiency.

[0032] During use, when the modular inner box 5 needs to be installed, first align the connecting plates 4 on both sides of the inner box 5 with the slots inside the mounting plate 3 and insert them. When the inner end of the connecting plate 4 contacts the roller 608, the connecting plate 4 will move the roller 608 upward. When the connecting plate 4 moves to the innermost side of the slot, the roller 608 is located at the upper end of the card slot 607. Under the tension of the tension spring 605, the fixing block 604 will be pulled to move downward, thereby driving the movable rod 603 to move downward, so that the roller 608 will enter the card slot 607 to fix the inner box 5. When the inner box 5 needs to be taken out, the pull block 609 is pulled to the upper end, thereby driving the movable rod 603 and the roller 608 to move to the upper end. When the roller 608 leaves the card slot 607, the connecting plate 4 can be pulled out from the inside of the slot.

[0033] Example 2

[0034] like Figure 5As shown, on the basis of Example 1, a heat dissipation device 8 is added, including a motor 801, the output end of the motor 801 is fixedly connected to a transmission rod 802, the bottom of the transmission rod 802 is rotatably connected to the inner wall of the heat dissipation box 7 through a bearing, the outer wall of the transmission rod 802 is fixedly sleeved with a worm 803, the side of the worm 803 is meshed with a worm wheel 804, the middle part of the worm wheel 804 is connected to a rotating rod 805, the rotating rod 805 is rotatably connected to the inner wall of the heat dissipation box 7 through a bearing, and the outer wall of the rotating rod 805 is fixedly connected to the heat dissipation blade 806.

[0035] The worm gear 804, the rotating rod 805, and the heat dissipation blades 806 are arranged in five groups and are evenly distributed in the heat dissipation box 7 in the vertical direction, thereby increasing the heat dissipation range and enhancing the heat dissipation effect.

[0036] A heat dissipation hole is provided at the connection between the back side of the outer box body 1 and the heat dissipation box 7 .

[0037] In this embodiment, by providing the heat dissipation device 8, through the cooperation of the worm gear 804 and the worm 803, one motor 801 can drive multiple heat dissipation blades 806 to rotate, thereby saving resources and improving the heat dissipation range and heat dissipation effect.

[0038] When in use, start the motor 801 to drive the transmission rod 802 to rotate, and then the transmission rod 802 will drive the worm 803 to rotate, and then the worm 803 will drive the worm wheel 804 to rotate under the meshing action, and then the worm wheel 804 will drive the rotating rod 805 to rotate, and then it can drive the heat dissipation blades 806 to rotate, thereby achieving a cooling effect.

Claims

1. A modular electric energy meter box, comprising an outer box (1), characterized in that: The front of the outer box (1) is provided with a box door (2); the inner wall of the outer box (1) is fixedly connected to a mounting plate (3); a slot is provided inside the mounting plate (3); a connecting plate (4) is movably connected inside the slot; the side of the connecting plate (4) is fixedly connected to an inner box (5); a fixing device (6) is provided at the upper end of the mounting plate (3); a heat dissipation box (7) is fixedly connected to the rear side of the outer box (1); a heat dissipation device (8) is provided inside the heat dissipation box (7); The fixing device (6) comprises a fixing box (601), wherein the fixing box (601) is fixedly connected to the top of the mounting plate (3), the top of the fixing box (601) and the upper end of the mounting plate (3) are both provided with through holes (602), a movable rod (603) is slidably connected inside the through hole (602), a fixing block (604) is fixedly sleeved on the outer wall of the movable rod (603), a tension spring (605) is provided on the outer movable sleeve of the movable rod (603), two ends of the tension spring (605) are respectively fixedly connected to the lower end of the fixing block (604) and the upper end of the mounting plate (3), a receiving groove (606) is provided inside the mounting plate (3), a clamping groove (607) is provided on the upper end of the connecting plate (4), a roller (608) is provided at the bottom of the movable rod (603), and a pulling block (609) is fixedly connected to the top of the movable rod (603).

2. A modular electric energy meter box according to claim 1, characterized in that: One end of the connecting plate (4) located on the inner side is arranged in an arc shape.

3. A modular electric energy meter box according to claim 1, characterized in that: The width of the receiving groove (606) is greater than the diameter of the roller (608).

4. The modular electric energy meter box according to claim 1, characterized in that: The heat dissipation device (8) comprises a motor (801), the output end of the motor (801) is fixedly connected to a transmission rod (802), the bottom of the transmission rod (802) is rotatably connected to the inner wall of the heat dissipation box (7) via a bearing, the outer wall of the transmission rod (802) is fixedly sleeved with a worm (803), the side of the worm (803) is meshed with a worm wheel (804), the middle part of the worm wheel (804) is connected to a rotating rod (805), the rotating rod (805) is rotatably connected to the inner wall of the heat dissipation box (7) via a bearing, and the outer wall of the rotating rod (805) is fixedly connected to a heat dissipation blade (806).

5. A modular electric energy meter box according to claim 4, characterized in that: The worm gear (804), the rotating rod (805), and the heat dissipation blades (806) are arranged in five groups and are evenly distributed in the heat dissipation box (7) in a vertical direction.

6. The modular electric energy meter box according to claim 1, characterized in that: A heat dissipation hole is provided at the connection between the back side of the outer box body (1) and the heat dissipation box (7).

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