Electric energy meter acquisition test tool

Abstract

The utility model provides a kind of electric energy meter acquisition test tool, it is related to test tool field, and electric energy meter acquisition test tool includes movable frame, movable frame is installed with bearing platform and vertical frame, bearing platform is fixed with fixed plate, and four corners of fixed plate top end are all fixed with elastic member, four elastic members are commonly fixed with movable plate, four positioning holes are arranged on movable plate, and both sides of positioning hole are all fixed with ejector, and the top of ejector is fixed with movable frame, the side of movable frame towards adjacent positioning hole inner wall is inclined plane, the top of movable frame is plane structure, and the both sides of movable frame are all installed with extrusion device, and extrusion device can extrude the inclined plane of four movable frames in two positioning holes of same side, the utility model is pulled to movable plate outside with connecting plate, and connecting plate drives extruding plate to move, and the first spring of being compressed lifts movable frame, so that movable frame drives PCBA plate to move out of positioning hole, and PCBA plate is conveniently taken out.

Description

Technical Field

[0001] This utility model relates to the field of testing fixtures, and in particular to a testing fixture for collecting data from an electricity meter. Background Technology

[0002] An electricity meter is a metering device used to measure electricity consumption. It is widely used in industrial, commercial, and residential users to record electricity consumption for electricity bill settlement.

[0003] Utility model CN214310790U discloses a test fixture for an electricity meter PCBA, including an AD acquisition device, a support platform, and a stand fixedly mounted relative to the support platform. The support platform includes a horizontally mounted fixed plate and a horizontally mounted movable plate above the fixed plate. The movable plate has multiple test positions for placing the electricity meter. The fixed plate has a pin plate with probes for contacting the contact points of the electricity meter. The AD acquisition device is connected to the pin plate one-to-one. The support platform also includes a guide column vertically mounted on the fixed plate, with the movable plate slidingly engaging with the guide column. A return spring is fitted on the guide column between the fixed plate and the movable plate. A vertically movable pressure plate is mounted on the stand. This utility model eliminates the tedious steps of manual wiring and disconnection, improving testing efficiency and reducing labor intensity.

[0004] When using the above-mentioned test fixture, the PCBA board is placed in the positioning groove. After the test is completed, the four PCBA boards are removed. Since the PCBA board is generally thin, it is inconvenient to remove the thinner board from the positioning groove, which causes operational inconvenience.

[0005] Therefore, it is necessary to provide a new energy meter data acquisition and testing fixture to solve the above-mentioned technical problems. Utility Model Content

[0006] To solve the above-mentioned technical problems, this utility model provides a power meter data acquisition and testing fixture.

[0007] The energy meter data acquisition and testing fixture provided by this utility model includes a support frame, on which a support platform and a vertical frame are installed. A fixed plate is fixed on the support platform, and elastic elements are fixed at the four corners of the top of the fixed plate. A movable plate is fixed on the four elastic elements. Four positioning holes are provided on the movable plate, and pop-out elements are fixed on both sides of the positioning holes. A movable frame is fixed at the top of the pop-out elements. The side of the movable frame facing the inner wall of the adjacent positioning hole is an inclined surface, and the top of the movable frame is a flat structure. A pressing device is installed on both sides of the movable frame, and the pressing device can press the inclined surfaces of the four movable frames in the two positioning holes on the same side.

[0008] Preferably, the pop-out component includes a support frame and a first spring. The support frame is fixed to the inner wall of the positioning hole. The support frame has a U-shaped structure. Guide blocks are fixed on both side walls of the support frame. One end of the guide block is slidably disposed in the groove opened in the movable frame. The two ends of the first spring are respectively fixed to the bottom wall of the support frame and the bottom wall of the groove opened at the bottom end of the movable frame.

[0009] Preferably, the extrusion device includes a transmission component and two extrusion components. The transmission component is installed in a receiving groove in the movable plate, and the two extrusion components are respectively fixed at both ends of the transmission component. The two extrusion components are respectively located on one side of the movable plate and in the central hole in the movable plate.

[0010] Preferably, the extrusion member includes a connecting plate and two extrusion plates. The two extrusion plates are respectively fixed at both ends of the connecting plate, and one end of each extrusion plate extends to the inside of the positioning hole. The end of the extrusion plate located inside the positioning hole is an inclined surface, and the inclined surface of the extrusion plate extrudes the inclined surface of the moving frame.

[0011] Preferably, the transmission component includes a gear and two racks. The gear is rotatably connected to the inner wall of the receiving groove, and the two racks are respectively meshed on both sides of the gear, and the two racks are respectively fixedly connected to two connecting plates.

[0012] Preferably, the elastic element includes a push rod, a sleeve, and a second spring. The bottom end of the sleeve is fixed to a fixed plate, the top end of the push rod is fixed to a movable plate, the bottom end of the push rod is movably disposed in the inner cavity of the sleeve, and the two ends of the second spring are respectively fixed to the bottom end of the push rod and the bottom wall of the inner cavity of the sleeve.

[0013] Compared with related technologies, the energy meter data acquisition and testing fixture provided by this utility model has the following beneficial effects:

[0014] Pull the connecting plate outwards towards the movable plate. The connecting plate moves the extrusion plate, and the bottom plane of the extrusion plate moves on the planar structure of the moving frame. When it moves to the inclined surface of the moving frame, the first spring lifts the moving frame, causing the moving frame to move the PCBA board out of the positioning hole, making it easy to remove the PCBA board. When conducting the next round of PCBA board testing, push the connecting plate towards the movable plate. The extrusion plate extrudes the inclined surface of the moving frame, and the first spring gradually compresses. Finally, the bottom plane of the extrusion plate contacts the top plane of the moving frame. At this point, the PCBA board can be placed in the positioning hole, and the extrusion plate supports the PCBA board. Attached Figure Description

[0015] Figure 1 A schematic diagram of the structure of the energy meter data acquisition and testing fixture provided by this utility model;

[0016] Figure 2 for Figure 1A partial structural diagram of the structure shown;

[0017] Figure 3 for Figure 1 The diagram shows the structure of the ejector and the movable frame.

[0018] Figure 4 for Figure 3 A schematic diagram of the cross-section of the structure shown;

[0019] Figure 5 for Figure 2 The diagram shows the structure of the extrusion device.

[0020] The following are the labels in the diagram: 1. Support frame; 2. Support platform; 3. Stand; 4. Fixed plate; 5. Movable plate; 6. Positioning hole; 7. Moving frame; 8. Support frame; 9. First spring; 10. Guide block; 11. Connecting plate; 12. Pressing plate; 13. Gear; 14. Rack; 15. Top rod; 16. Sleeve; 17. Second spring; 18. Center hole. Detailed Implementation

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

[0022] Please refer to the following: Figures 1-5 ,in, Figure 1 A schematic diagram of the structure of the energy meter data acquisition and testing fixture provided by this utility model; Figure 2 for Figure 1 A partial structural diagram of the structure shown; Figure 3 for Figure 1 The diagram shows the structure of the ejector and the movable frame. Figure 4 for Figure 3 A schematic diagram of the cross-section of the structure shown; Figure 5 for Figure 2 The diagram shows the structure of the extrusion device.

[0023] In the specific implementation process, such as Figures 1-5As shown, the device includes a support frame 1, a support platform 2 and a vertical frame 3 mounted on the support frame 1, a cylinder and a pressure plate mounted on the vertical frame 3, and several pressure columns mounted on the pressure plate. A fixed plate 4 is fixed on the support platform 2, and elastic elements are fixed at the four corners of the top of the fixed plate 4. A movable plate 5 is fixed on the four elastic elements. The movable plate 5 has four positioning holes 6. Pop-out elements are fixed on both sides of the positioning holes 6. A movable frame 7 is fixed at the top of the pop-out elements. The side of the movable frame 7 facing the inner wall of the adjacent positioning hole 6 is inclined, and the top of the movable frame 7 is a flat structure. A pressing device is installed on both sides of the movable frame. The pressing device can press the inclined surfaces of the four movable frames 7 in the two positioning holes 6 on the same side. In use, the PCBA board is placed in the positioning hole 6. After the PCBA board is tested, the pressing device is pulled, and the movable frame 7 moves upward under the action of the pop-out elements, pushing the PCBA board out to the outside of the positioning hole 6.

[0024] It should be noted that the structures of the AD acquisition device, safety light curtain and micro switch in this fixture are not disclosed in detail. For details, please refer to the structure of a test fixture for an energy meter PCBA disclosed in the utility model with publication number CN214310790U.

[0025] The ejector includes a support frame 8 and a first spring 9. The support frame 8 is fixed to the inner wall of the positioning hole 6. The support frame 8 has a U-shaped structure. Guide blocks 10 are fixed on both side walls of the support frame 8. One end of the guide block 10 is slidably disposed in the groove opened in the movable frame 7. The two ends of the first spring 9 are respectively fixed to the bottom wall of the support frame 8 and the bottom wall of the groove opened at the bottom end of the movable frame 7. When the extrusion device moves, the compressed first spring 9 pushes the movable frame 7 to move. Under the action of the guide block 10, the movable frame 7 can only move in the vertical direction.

[0026] The extrusion device includes a transmission component and two extrusion components. The transmission component is installed in the receiving groove opened in the movable plate 5. The two extrusion components are fixed at both ends of the transmission component, and the two extrusion components are located on one side of the movable plate 5 and in the center hole 18 opened in the movable plate 5, respectively.

[0027] The extrusion component includes a connecting plate 11 and two extrusion plates 12. The two extrusion plates 12 are fixed to both ends of the connecting plate 11, and one end of each extrusion plate 12 extends into the inner side of the positioning hole 6. The end of the extrusion plate 12 located inside the positioning hole 6 is an inclined surface. The inclined surface of the extrusion plate 12 extrudes the inclined surface of the movable frame 7. The transmission component includes a gear 13 and two racks 14. The gear 13 is rotatably connected to the inner wall of the receiving groove. The two racks 14 are respectively meshed with the two sides of the gear 13, and the two racks 14 are respectively fixedly connected to the two connecting plates 11. Pulling the connecting plate 11 outward towards the movable plate 5 causes the connecting plate 11 to drive the extrusion plates 12 to move. The bottom plane of the extrusion plate 12 moves on the planar structure of the movable frame 7. When it moves to When the movable frame 7 is tilted, the first spring 9 lifts the movable frame 7, which causes the movable frame 7 to move the PCBA board out of the positioning hole 6, making it easier to remove the PCBA board. When conducting the next round of PCBA board testing, the connecting plate 11 is pushed towards the movable plate 5, and the pressing plate 12 presses the tilted surface of the movable frame 7. The first spring 9 is gradually compressed. Finally, the bottom plane of the pressing plate 12 contacts the top plane of the movable frame 7. At this time, the PCBA board can be placed in the positioning hole 6 and supported by the pressing plate 12. In actual use, two or more pressing plates 12 can be fixed on the connecting plate 11, and multiple movable frames 7 can be set accordingly to improve the stability of the PCBA board after placement.

[0028] The elastic element includes a push rod 15, a sleeve 16, and a second spring 17. The bottom end of the sleeve 16 is fixed to the fixed plate 4, the top end of the push rod 15 is fixed to the movable plate 5, and the bottom end of the push rod 15 is movably disposed in the inner cavity of the sleeve 16. The two ends of the second spring 17 are respectively fixed to the bottom end of the push rod 15 and the bottom wall of the inner cavity of the sleeve 16. With the push rod 15, sleeve 16, and second spring 17, when the movable plate 5 moves down, the push rod 15 is inside the sleeve 16, which improves the stability of the movable plate 5 when it moves.

[0029] The circuits and controls involved in this utility model are all existing technologies, and will not be described in detail here.

[0030] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A power meter data acquisition and testing fixture, characterized in that, Includes a support frame (1), on which a support platform (2) and a stand (3) are installed. A fixed plate (4) is fixed on the support platform (2). Elastic members are fixed at the four corners of the top of the fixed plate (4). A movable plate (5) is fixed on the four elastic members. Four positioning holes (6) are provided on the movable plate (5). Pop-out members are fixed on both sides of the positioning holes (6). A movable frame (7) is fixed at the top of the pop-out members. The side of the movable frame (7) facing the inner wall of the adjacent positioning hole (6) is an inclined surface. The top of the movable frame (7) is a flat structure. A pressing device is installed on both sides of the movable frame. The pressing device can press the inclined surfaces of the four movable frames (7) in the two positioning holes (6) on the same side.

2. The energy meter data acquisition and testing fixture according to claim 1, characterized in that, The pop-out component includes a support frame (8) and a first spring (9). The support frame (8) is fixed to the inner wall of the positioning hole (6). The support frame (8) has a U-shaped structure. Guide blocks (10) are fixed on both side walls of the support frame (8). One end of the guide block (10) is slidably disposed in the groove opened in the movable frame (7). The two ends of the first spring (9) are respectively fixed to the bottom wall of the support frame (8) and the bottom wall of the groove opened at the bottom end of the movable frame (7).

3. The energy meter data acquisition and testing fixture according to claim 2, characterized in that, The extrusion device includes a transmission component and two extrusion components. The transmission component is installed in the receiving groove of the movable plate (5). The two extrusion components are fixed at both ends of the transmission component, and the two extrusion components are located on one side of the movable plate (5) and in the center hole (18) of the movable plate (5).

4. The energy meter data acquisition and testing fixture according to claim 3, characterized in that, The extrusion component includes a connecting plate (11) and two extrusion plates (12). The two extrusion plates (12) are fixed at both ends of the connecting plate (11), and one end of each extrusion plate (12) extends to the inside of the positioning hole (6). The end of the extrusion plate (12) inside the positioning hole (6) is an inclined surface, and the inclined surface of the extrusion plate (12) extrudes the inclined surface of the moving frame (7).

5. The energy meter data acquisition and testing fixture according to claim 4, characterized in that, The transmission component includes a gear (13) and two racks (14). The gear (13) is rotatably connected to the inner wall of the receiving groove. The two racks (14) are respectively meshed on both sides of the gear (13) and are respectively fixedly connected to two connecting plates (11).

6. The energy meter data acquisition and testing fixture according to claim 5, characterized in that, The elastic element includes a push rod (15), a sleeve (16) and a second spring (17). The bottom end of the sleeve (16) is fixed on the fixed plate (4), the top end of the push rod (15) is fixed on the movable plate (5), the bottom end of the push rod (15) is movably disposed in the inner cavity of the sleeve (16), and the two ends of the second spring (17) are respectively fixed to the bottom end of the push rod (15) and the bottom wall of the inner cavity of the sleeve (16).

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