Photoelectric sampler

Abstract

The utility model discloses a photoelectric sampler which comprises a support and a photoelectric sampling head, and the support comprises a horizontally arranged supporting cross beam and a vertically arranged lifting rod; a sliding adjusting sliding block is arranged on the supporting cross beam and driven by a lead screw to slide, and one end of the lead screw is connected with an adjusting knob. The lifting rod vertically penetrates through the adjusting sliding block to be arranged in a sliding mode, strip-shaped teeth are arranged on one side of the lifting rod, a rotating gear is installed in the adjusting sliding block, the gear is horizontally arranged and connected with the strip-shaped teeth in a meshed mode, the gear is driven by a rotating rod to rotate, one end of the rotating rod is connected with an adjusting head and driven by the adjusting head to rotate, and the adjusting head is connected with a locking structure. The photoelectric sampling head is mounted at the lower end of the lifting rod; the adjusting knob and the adjusting head are correspondingly provided with scales and indicating arrows, so that the rotating angles of the adjusting knob and the adjusting head can be accurately controlled, the transverse and vertical moving distances of the sampling head are accurately controlled, and the sampling accuracy of the photoelectric sampler is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric energy meter detection, in particular to a photoelectric sampler. Background Art

[0002] The State Grid Corporation of China's 2020 new smart meters and the China Southern Power Grid's 2020 new smart meters are equipped with active pulse signal indicators and multi-function pulse signal indicators. In the prior art, when testing electric energy meters, it is usually necessary to use a photoelectric sampler to collect the stroboscopic pulse signals emitted by the active pulse signal indicator and the multi-function pulse signal indicator.

[0003] During the actual testing process, the photoelectric sampler needs to be installed and fixed, and the energy meter needs to be placed on the base in front of the photoelectric sampler. The pulse signal indicator of the energy meter should be aligned with the sampling head of the photoelectric sampler for sampling and testing. However, due to the different sizes of energy meters, the position of the pulse signal indicator varies. Therefore, before sampling different energy meters, the position of the sampling head needs to be adjusted so that the sampling head can directly face the pulse signal indicator of the energy meter.

[0004] In the prior art, the patent for the appearance setting of the "intelligent photoelectric sampler" with patent announcement number "CN306468390S" discloses that the bracket includes two vertically arranged connecting rods, and the position is adjusted by sliding the slider on the connecting rods, and is tightened and fixed by bolts.

[0005] In the above patent, the position of the sampling head is adjusted entirely by hand based on visual perception, which makes it difficult to accurately adjust the position of the sampling head and may cause sampling deviation. Utility Model Content

[0006] In order to solve the above-mentioned deficiencies in the prior art, the present invention proposes a photoelectric sampler.

[0007] In order to achieve the above technical effects, the present invention adopts the following solutions:

[0008] A photoelectric sampler comprises a bracket and a photoelectric sampling head, wherein the bracket comprises a horizontally arranged supporting beam and a vertically arranged lifting rod;

[0009] The support beam is provided with a sliding adjustment slider, which is driven to slide by a screw rod, and one end of the screw rod is connected to the adjustment knob;

[0010] The lifting rod is vertically passed through the adjustment slider and is slidably arranged. A bar tooth is provided on one side of the lifting rod. A rotating gear is installed in the adjustment slider. The gear is horizontally arranged and meshed with the bar tooth. The gear is driven to rotate by a rotating rod. One end of the rotating rod is connected to the adjustment head and is driven to rotate by the adjustment head. The adjustment head is connected to a locking structure.

[0011] The photoelectric sampling head is installed at the lower end of the lifting rod;

[0012] The adjusting knob and the adjusting head are both provided with scales and indicating arrows correspondingly.

[0013] The preferred technical solution is that the upper end of the supporting beam is provided with a sliding groove along its length direction, a sliding block is provided in the sliding groove for matching sliding, the screw rod is arranged parallel to the sliding groove, the sliding block has a wire hole matching the screw rod, the screw rod is arranged through the wire hole, the adjusting knob is arranged at one end of the supporting beam, one end of the screw rod extends out of the sliding groove and is fixedly connected to the center of the adjusting knob, and the upper end of the sliding block is fixedly connected to the adjusting slider.

[0014] The preferred technical solution is that the rotating rod is horizontally arranged and rotatably installed on one side of the supporting beam, the rotating rod is arranged through the adjusting slider, and a sleeve is provided on the rotating rod that can only slide horizontally. There is no relative rotation between the sleeve and the rotating rod, and a horizontally through-limiting groove is provided on the inner wall of the sleeve. A limiting edge matching the limiting groove is provided on the outer wall of the rotating rod, and the limiting groove is clamped on the limiting edge. The sleeve is installed in the adjusting slider through a bearing and rotates, and the gear is fixedly sleeved on the sleeve.

[0015] The preferred technical solution is that the locking structure includes a pressure plate, a rubber gasket and a tightening wrench, the two ends of the rotating rod are installed on the supporting beam through the bearing seat, the rotating rod is connected to the outer side of the bearing seat corresponding to one end of the adjusting head, and a rubber gasket is fixedly provided, the rubber gasket is arranged around the rotating rod, the adjusting head is cylindrical, one end of the adjusting head is fixedly connected to the center of one end of the rotating rod, and the other end of the adjusting head extends outward, the center of the pressure plate has a through hole matching the adjusting head, the pressure plate is sleeved on the adjusting head and slides horizontally without rotating relative to the adjusting head, and the adjusting head is provided with a convex protrusion along the length direction. Along the edge of the through hole, a bayonet is provided that matches the convex edge, and the bayonet slides on the convex edge. In the natural state, the pressure plate is in contact with the rubber gasket, and the rubber gasket is located on the inner side of the pressure plate. The tightening wrench is rotatably installed on the adjusting head, and the tightening wrench is located on the outer side of the pressure plate. A rotating shaft is provided on the adjusting head perpendicular to its length direction. The tightening wrench includes an eccentric wheel part and a wrench part. The rotation center of the eccentric wheel part is rotatably installed on the rotating shaft. The proximal end edge of the eccentric wheel part extends toward one side along the tangent direction to form the wrench part. In the natural state, the proximal end of the eccentric wheel part is against the outer surface of the pressure plate.

[0016] According to a preferred technical solution, the screw rod is rotatably mounted on the support beam via a first rotation damper; and the rotation rod is rotatably mounted on the support beam via a second rotation damper.

[0017] Compared with the prior art, the beneficial effects are:

[0018] The utility model has a simple structure and is easy to use. The position of the sampling head in the horizontal direction is adjusted by rotating the screw rod, and the position of the sampling head in the vertical direction is adjusted by rotating the rotating rod. In addition, the adjusting knob and the adjusting head are respectively provided with scales and indicating arrows, so that the rotation angle of the adjusting knob and the adjusting head can be accurately controlled, thereby accurately controlling the horizontal and vertical movement distances of the sampling head, thereby improving the sampling accuracy of the photoelectric sampler. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 yes Figure 1 A schematic diagram of the enlarged structure of part A;

[0021] Figure 3 yes Figure 1 The enlarged structural diagram of part B in the middle;

[0022] Figure 4 This is a front view structural diagram of the utility model;

[0023] Figure 5 yes Figure 4 The enlarged structural diagram of part C in the middle;

[0024] Figure 6 It is a side cross-sectional schematic diagram of the present utility model;

[0025] Figure 7 It is a structural schematic diagram of the present invention in which the gear is installed on the rotating rod.

[0026] Figure numerals: 1. Support beam; 2. Slide groove; 3. Screw rod; 4. Adjustment knob; 5. Sliding block; 6. Adjustment slider; 7. Lifting rod; 8. Rotating rod; 9. Photoelectric sampling head; 10. Adjustment head; 11. Pressure plate; 12. Bearing seat; 13. Eccentric wheel part; 14. Wrench part; 15. Raised edge; 16. Scale; 17. Indicator arrow; 18. Limiting edge; 19. Sleeve; 20. Rubber gasket; 21. Vertical hole; 22. Cavity; 23. Bar tooth; 24. Gear. DETAILED DESCRIPTION

[0027] 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 the embodiments.

[0028] A photoelectric sampler includes a bracket and a photoelectric sampling head 9. The photoelectric sampling head 9 is the main structure of the photoelectric sampler and is used to sample the pulse signal of the electric energy meter. It is an existing technology.

[0029] The bracket includes a horizontally arranged support beam 1 and a vertically arranged lifting rod 7;

[0030] The support beam 1 is provided with a sliding adjustment slider 6, which is driven to slide by a screw rod 3, and one end of the screw rod 3 is connected to the adjustment knob 4;

[0031] The lifting rod 7 vertically penetrates the adjusting slider 6 and slides therethrough. A vertical hole 21 is vertically penetrated on the adjusting slider 6, and the vertical hole 21 matches the lifting rod 7. The lifting rod 7 passes through the sliding arrangement, and a bar tooth 23 is provided on one side of the lifting rod 7. The bar tooth 23 is vertically arranged along the length of the lifting rod 7. A cavity 22 is provided in the adjusting slider 6, and one side of the cavity 22 is communicated with the vertical hole 21. A rotating gear 24 is installed in the cavity 22. The length of the gear 24 is horizontally arranged and meshed with the bar tooth 23. The gear 24 rotates in the vertical direction. The gear 24 is driven to rotate by the rotating rod 8. One end of the rotating rod 8 is connected to the adjusting head 10 and is driven to rotate by the adjusting head 10. The adjusting head 10 is connected to a locking structure, which fixes the adjusting head 10 through the locking structure to prevent the adjusting head 10 from rotating freely under the action of gravity of the rotating rod 8 and the photoelectric sampling head 9;

[0032] The photoelectric sampling head 9 is installed at the lower end of the lifting rod 7;

[0033] The adjusting knob 4 and the adjusting head 10 are both provided with scales 16 and indicating arrows 17 correspondingly.

[0034] Rotating the adjusting knob 4 drives the screw rod 3 to rotate, thereby driving the adjusting slider 6 to move horizontally on the supporting beam 1, and adjusting the horizontal position of the photoelectric sampling head 9; rotating the adjusting head 10 drives the rotating rod 8 to rotate, thereby driving the lifting rod 7 to slide vertically through the engagement of the gear 24 and the bar tooth 23, thereby adjusting the vertical position of the photoelectric sampling head 9; when the adjusting knob 4 is rotated by a certain angle, the angle of rotation of the screw rod 3 is fixed and the horizontal movement distance of the adjusting slider 6 is fixed. In addition, when the adjusting head 10 is rotated by a certain angle, the angle of rotation of the gear 24 is fixed and the vertical movement distance of the lifting rod 7 is fixed. Therefore, since the adjusting knob 4 and the adjusting head 10 both have corresponding scales 16 and indicator arrows 17, the horizontal and vertical movement distances of the photoelectric sampling head 9 can be accurately controlled under the condition of precise control of the rotation angle of the adjusting knob 4 and the adjusting head 10, thereby improving the sampling accuracy of the photoelectric sampling head 9.

[0035] The preferred technical solution is that a slide groove 2 is provided at the upper end of the supporting beam 1 along its length direction, a sliding block 5 is provided in the slide groove 2 for matching sliding, the screw rod 3 is arranged parallel to the slide groove 2, and the sliding block 5 has a wire hole matching the screw rod 3, the screw rod 3 is arranged through the wire hole, the adjusting knob 4 is arranged at one end of the supporting beam 1, one end of the screw rod 3 extends out of the slide groove 2 and is fixedly connected to the center of the adjusting knob 4, and the upper end of the sliding block 5 is fixedly connected to the adjusting slider 6.

[0036] The preferred technical solution is that the rotating rod 8 is horizontally arranged and rotatably installed on one side of the supporting beam 1. The rotating rod 8 is arranged through the adjusting slider 6. The rotating rod 8 is provided with a sleeve 19 that can only slide horizontally. There is no relative rotation between the sleeve 19 and the rotating rod 8. A horizontally penetrating limit groove is provided on the inner wall of the sleeve 19. A limit edge 18 matching the limit groove is provided on the outer wall of the rotating rod 8. The limit groove is clamped on the limit edge 18. The sleeve 19 is installed in the adjusting slider 6 through a bearing for rotation, and the gear 24 is fixedly sleeved on the sleeve 19.

[0037] The limiting groove and the limiting edge 18 prevent relative rotation between the sleeve 19 and the rotating rod 8, but the sleeve 19 can move horizontally on the rotating rod 8. Therefore, when the rotating rod 8 can drive the gear 24 to rotate, the adjusting slider 6 and the gear 24 can move horizontally.

[0038] The preferred technical solution is that the locking structure includes a pressure plate 11, a rubber washer 20 and a tightening wrench. The two ends of the rotating rod 8 are installed on the supporting beam 1 through the bearing seat 12. The rotating rod 8 is connected to the outer side of the bearing seat 12 corresponding to one end of the adjusting head 10, and the rubber washer 20 is fixedly provided. The rubber washer 20 is arranged around the rotating rod 8. The adjusting head 10 is cylindrical. One end of the adjusting head 10 is fixedly connected to the center of one end of the rotating rod 8. The other end of the adjusting head 10 extends outward. The center of the pressure plate 11 has a through hole that matches the adjusting head 10. The pressure plate 11 is sleeved on the adjusting head 10 and slides horizontally without rotating relative to the adjusting head 10. The adjusting head 10 is provided with a protrusion along the length direction. The convex edge 15, the edge of the through hole is provided with a bayonet matching the convex edge 15, the bayonet is stuck on the convex edge 15 and slides. In the natural state, the pressure plate 11 is in contact with the rubber gasket 20, and the rubber gasket 20 is located on the inner side of the pressure plate 11. The clamping wrench is rotatably installed on the adjusting head 10, and the clamping wrench is located on the outer side of the pressure plate 11. A rotating shaft is provided on the adjusting head 10 perpendicular to its length direction. The clamping wrench includes an eccentric wheel part 13 and a wrench part 14. The rotation center of the eccentric wheel part 13 is rotatably installed on the rotating shaft. The proximal end edge of the eccentric wheel part 13 extends toward one side along the tangential direction to form the wrench part 14. In the natural state, the proximal end of the eccentric wheel part 13 is against the outer surface of the pressure plate 11.

[0039] The bayonet is clamped on the convex edge 15, and there is no relative rotation between the pressure plate 11 and the adjusting head 10, but they rotate synchronously. When locking, the eccentric wheel part 13 is driven to rotate by the wrench part 14, so that the distal end of the eccentric wheel part 13 is against the pressure plate 11, thereby driving the pressure plate 11 to press the rubber gasket 20, thereby increasing the resistance of the pressure plate 11, making the pressure plate 11 not easy to rotate, so that the adjusting head 10 and the rotating rod 8 fixedly connected to the adjusting head 10 are not easy to rotate, and the rotating rod 8 is locked.

[0040] According to a preferred technical solution, the screw rod 3 is rotatably mounted on the support beam 1 via a first rotation damper; and the rotation rod 8 is rotatably mounted on the support beam 1 via a second rotation damper.

[0041] The first rotation damper and the second rotation damper prevent the screw rod 3 and the rotating rod 8 from rotating freely, and they can only rotate when a certain external force is applied.

[0042] In the description of the present utility model, it should be understood that the terms "upper", "lower", "top", "bottom", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is conventionally placed when in use, or are the orientations or positional relationships conventionally understood by those skilled in the art. These are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present utility model.

[0043] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0044] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of the present invention.

Claims

1. A photoelectric sampler, characterized in that: It comprises a bracket and a photoelectric sampling head (9), wherein the bracket comprises a horizontally arranged support beam (1) and a vertically arranged lifting rod (7); The supporting crossbeam (1) is provided with a sliding adjustment slider (6), the adjustment slider (6) is driven to slide by a screw rod (3), and one end of the screw rod (3) is connected to an adjustment knob (4); The lifting rod (7) is vertically penetrated through the adjusting slider (6) and is slidably arranged. A bar tooth (23) is provided on one side of the lifting rod (7). A rotating gear (24) is installed in the adjusting slider (6). The gear (24) is horizontally arranged and meshed with the bar tooth (23). The gear (24) is driven to rotate by the rotating rod (8). One end of the rotating rod (8) is connected to the adjusting head (10) and is driven to rotate by the adjusting head (10). The adjusting head (10) is connected to a locking structure. The photoelectric sampling head (9) is installed at the lower end of the lifting rod (7); The adjusting knob (4) and the adjusting head (10) are both provided with scales (16) and indicating arrows (17) correspondingly.

2. The photoelectric sampler according to claim 1, wherein The upper end of the supporting crossbeam (1) is provided with a slide groove (2) along its length direction, and a sliding block (5) is provided in the slide groove (2) for matching sliding. The screw rod (3) is arranged in parallel in the slide groove (2), and the sliding block (5) has a wire hole matching the screw rod (3). The screw rod (3) is arranged through the wire hole. The adjusting knob (4) is arranged at one end of the supporting crossbeam (1), and one end of the screw rod (3) extends out of the slide groove (2) and is fixedly connected to the center of the adjusting knob (4). The upper end of the sliding block (5) is fixedly connected to the adjusting slider (6).

3. The photoelectric sampler according to claim 1, wherein The rotating rod (8) is horizontally arranged and rotatably mounted on one side of the supporting beam (1). The rotating rod (8) is arranged through the adjusting slider (6). A sleeve (19) that can only slide horizontally is sleeved on the rotating rod (8). No relative rotation occurs between the sleeve (19) and the rotating rod (8). A horizontally penetrating limiting groove is opened on the inner wall of the sleeve (19). A limiting edge (18) matching the limiting groove is provided on the outer wall of the rotating rod (8). The limiting groove is clamped on the limiting edge (18). The sleeve (19) is installed in the adjusting slider (6) through a bearing and rotates. The gear (24) is fixedly sleeved on the sleeve (19).

4. The photoelectric sampler according to claim 1, wherein The locking structure includes a pressure plate (11), a rubber gasket (20) and a tightening wrench. The two ends of the rotating rod (8) are installed on the supporting beam (1) through the bearing seat (12). The rubber gasket (20) is fixedly arranged on the outer side of the bearing seat (12) corresponding to one end of the rotating rod (8) connected to the adjusting head (10). The rubber gasket (20) is arranged around the rotating rod (8). The adjusting head (10) is cylindrical. One end of the adjusting head (10) is fixedly connected to the center of one end of the rotating rod (8). The other end of the adjusting head (10) extends outward. The center of the pressure plate (11) has a through hole matching the adjusting head (10). The pressure plate (11) is sleeved on the adjusting head (10) and slides horizontally without generating relative rotation with the adjusting head (10). The adjusting head (10) is provided with a protruding portion along the length direction. The edge of the through hole is provided with a bayonet that matches the convex edge (15), and the bayonet is stuck on the convex edge (15) and slides. In a natural state, the pressure plate (11) is in contact with the rubber gasket (20), and the rubber gasket (20) is located in the inner side of the pressure plate (11). The clamping wrench is rotatably mounted on the adjusting head (10), and the clamping wrench is located in the outer side of the pressure plate (11). A rotating shaft is provided on the adjusting head (10) perpendicular to its length direction. The clamping wrench includes an eccentric wheel part (13) and a wrench part (14). The rotation center of the eccentric wheel part (13) is rotatably mounted on the rotating shaft. The proximal end edge of the eccentric wheel part (13) extends toward one side along the tangential direction to form the wrench part (14). In a natural state, the proximal end of the eccentric wheel part (13) is against the outer surface of the pressure plate (11).

5. The photoelectric sampler according to claim 1, wherein: The screw rod (3) is rotatably mounted on the supporting beam (1) via a first rotation damper; and the rotating rod (8) is rotatably mounted on the supporting beam (1) via a second rotation damper.

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