Self-cleaning structure of electric power meter
By designing the release and recycling mechanism of the spring coil spring outside the display screen of the power meter, the problem of large space occupied by the existing power meter cleaning function design is solved, and a compact self-cleaning function is realized, ensuring the normal operation of the instrument.
Patent Information
- Application Number
- CN202510229506.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2025-04-25
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The cleaning function design of existing power meters has the problem of large space occupancy, which makes it difficult to achieve effective self-cleaning function in an environment where installation space is limited.
By designing the release and recycling mechanism of the spring coil spring outside the display screen of the power meter, the gear motor drives the shaft and the reel to cooperate to complete the release and recycling of the spring coil spring, and dust erasing on the front of the display screen is achieved.
The self-cleaning function design of the power instrument is realized, with a compact structure and less space, avoiding the user's need to clean manually and ensuring the continuous and normal operation of the instrument.
Smart Images

Figure CN119870001A_ABST
Abstract
Description
Technical Field
[0001] The invention mainly relates to the field of electric power meters, and in particular to a self-cleaning structure of an electric power meter. Background Art
[0002] With the advancement of current power meter technology updates and intelligence, electronic screens are often chosen as information display solutions in power meter product designs. Considering that the power meter is installed outdoors or on industrial equipment, the electronic screen will be charged while continuously displaying information, causing small objects such as dust in the external environment to adhere to the electronic screen.
[0003] If the dust adhering to the outside of the electronic screen is not cleaned in time, the accumulation of dust will eventually be difficult to remove, and the user needs to clean it according to the maintenance requirements of the equipment. In combination with the existing patent (Announcement No.: CN110068709A) that has been retrieved, a power meter with internal heat dissipation and cleaning function is disclosed, including a meter body, a mounting shell and a heat dissipation and cleaning component, the mounting shell includes an upper shell and a lower shell connected up and down; the heat dissipation and cleaning component includes an adjustment plate, a heat dissipation and cleaning pipe, an ion fan and a discharge needle; the number of the adjustment plates corresponds to the heat dissipation and cleaning holes, and they are installed in the heat dissipation and cleaning holes; the ion fan is installed downward at the part of the mounting shell; the discharge needle is installed at the air outlet of the ion fan through a bracket; one end of the heat dissipation and cleaning pipe is connected to the air outlet of the ion fan, and the other end is connected to the adjustment plate. The present invention can neutralize the dust and debris adsorbed on the surface of the power meter while dissipating the heat, and clean it, so as to prevent the external environment or temperature from affecting the normal operation of the power meter and ensure its measurement accuracy.
[0004] During the actual simulation stage, it was found that the installation space of the power meter was limited. The deployment of structures such as ion fans would increase the appearance size of the power meter equipment. Therefore, a self-cleaning structure of the power meter was proposed. The self-cleaning function design of the power meter was realized by grounding the display screen of the power meter and bending the spring outside the display screen to release and recycle the dust. Summary of the invention
[0005] 1. Problems to be solved by the invention: The present invention provides a self-cleaning structure of an electric power meter, which is used to solve the technical problem mentioned in the background art that the cleaning function design of the existing electric power meter occupies a large space.
[0006] 2. Technical solution: To achieve the above object, the present invention provides a technical solution: a self-cleaning structure of an electric power meter, comprising the following structure: An electric meter panel, wherein a screen mounting hole is fixedly provided at the middle of the top of the electric meter panel, guide holes are opened symmetrically at the top of the electric meter panel about the middle of the screen mounting hole, and a drainage slope is fixedly provided at the middle of the electric meter panel, and the top of the drainage slope extends upward to the middle height of the screen mounting hole.
[0007] Two B plates, a gear motor is fixedly arranged on the rear side of the B plate, a rotating shaft is clamped on the front output end of the gear motor, a winding shaft is detachably clamped on the middle part of the rotating shaft, a mainspring is wound on the outside of the winding shaft, the bottom ends of the two mainsprings are fixedly connected, and the bottom edge of the mainspring is smoothed.
[0008] Furthermore, a drainage groove is fixedly provided at the middle of the bottom end of the power meter panel, and the left and right sides of the drainage groove extend to the drainage slope, and a sealing edge strip is fixedly provided at the rear side of the power meter panel.
[0009] The screen assembly hole of the power meter panel is detachably bonded with a sealing ring, the middle part of the sealing ring is bonded with a display screen, the front side of the display screen extends and exceeds the front side of the sewage discharge slope by at least 1 mm, the front side of the display screen contacts the bottom of the clockwork spring, the bottom of the display screen extends to the top of the sewage discharge trough, and the left and right sides of the bottom of the display screen extend to the top of the sewage discharge slope respectively.
[0010] Furthermore, the outer sides of the two B plates are fixedly connected to the left and right sides of the top inner wall of the power meter panel respectively, the middle part of the B plate is movably connected to the rear end of the rotating shaft, and the front side of the B plate is movably connected to the rear side of the scroll.
[0011] Furthermore, a conductive path is formed between the rotating shaft and the reel, a copper sleeve is movably sleeved on the rear end of the rotating shaft, the copper sleeve and the rotating shaft form a conductive path, a grounding wire is welded on the outside of the copper sleeve, and the front side of the copper sleeve extends to the rear side of the B plate.
[0012] Furthermore, the top of the power meter panel is detachably connected to an end cover by bolts, both left and right ends of the end cover are fixed with mounting holes, and the middle of the bottom end of the end cover is fixed with a matching hole, which extends to the top outer edge of the display screen.
[0013] Furthermore, a sealing plug is detachably sleeved on the mounting hole of the power meter panel, an adjusting seat is detachably sleeved on the middle of the sealing plug, an adjusting groove and a docking groove are respectively provided at the front and rear ends of the adjusting seat, and the docking groove is detachably clamped to the front end of the rotating shaft.
[0014] Furthermore, the outer side of the clockwork spring cooperates with the guide hole, the outer edge of the clockwork spring cooperates with the screen assembly hole, the clockwork spring and the winding shaft form a conductive path, the two clockwork springs are wound counterclockwise and clockwise at the left and right ends of the power meter panel, and the connection between the two clockwork springs extends downward.
[0015] Furthermore, the spring core and the outer end of the single mainspring are respectively detachably connected to the outer sides of the two winding shafts; the spring core of the mainspring is wound counterclockwise or clockwise when it is located on the left or right side of the power meter panel; the mainspring core installation point of the mainspring cooperates with the gear motor corresponding to the rotating shaft; the rotating shaft corresponding to the installation point of the outer end of the mainspring is fixedly assembled on the B plate.
[0016] 3. Beneficial effects: Compared with the prior art, the technical solution provided by the present invention has the following beneficial effects: The present invention provides a self-cleaning structure for an electric power meter. A gear motor drives a rotating shaft to rotate. The rotating shaft and a winding shaft cooperate to release or recycle a clockwork spring, thereby completing the release and recycle of the clockwork spring in front of a display screen for dust removal. When the two clockwork springs are released, the clockwork springs move downward and bend outside the display screen to wipe off the dust in front of the display screen, thereby realizing the self-cleaning function design of the electric power meter. The self-cleaning function structure is compactly designed and occupies little space.
[0017] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a front view of the structure of the present invention; Figure 2 For the present invention Figure 1 A magnified view of the structure at center A; Figure 3 An exploded view of the electric power meter panel structure of the present invention; Figure 4 A three-dimensional diagram of the mainspring coil structure of the present invention; Figure 5 For the present invention Figure 4 A magnified view of the structure at B in the middle; Figure 6 A three-dimensional diagram of the mainspring coil structure of the present invention in a storage state; Figure 7 A half-cut perspective view of the mainspring coil structure of the present invention in a stored state; Figure 8 It is a three-dimensional diagram of the release state of the mainspring coil structure of the present invention; Fig. 9A half-cut perspective view of the mainspring coil structure of the present invention in a released state; Fig.10 It is a three-dimensional diagram of the fully expanded state of the mainspring winding spring structure of the present invention; Fig.11 It is a half-section stereoscopic view of the mainspring coil structure of the present invention in a fully unfolded state.
[0019] Reference numerals: Power meter panel-1; screen assembly hole-11; guide hole-12; drainage slope-13; drainage trough-14; sealing edge strip-15; Sealing ring-2; Display screen-21; B board-3; gear motor-31; Axis - 4; Scroll - 5; Winding spring - 6; Copper sleeve-7; ground wire-71; End cap-8; mounting hole-81; Sealing plug-9; adjusting seat-91; adjusting groove-92; docking groove-93. DETAILED DESCRIPTION
[0020] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are shown in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.
[0021] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element; when an element is considered to be "connected to" another element, it may be directly connected to the other element or there may also be a central element; the terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.
[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which the present invention belongs; the terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention; the term "and / or" used herein includes any and all combinations of one or more related listed items. Example
[0023] Reference Figure 1-11 , a self-cleaning structure of an electric power meter, comprising the following structure: The power meter panel 1 has a screen mounting hole 11 fixedly disposed in the middle of the top of the power meter panel 1, guide holes 12 are symmetrically provided at the top of the power meter panel 1 about the middle of the screen mounting hole 11, and a drainage slope 13 is fixedly disposed in the middle of the power meter panel 1, and the top of the drainage slope 13 extends upward to the middle height of the screen mounting hole 11.
[0024] There are two B plates 3, and a gear motor 31 is fixedly arranged on the rear side of the B plate 3. A rotating shaft 4 is clamped on the front output end of the gear motor 31. A winding shaft 5 is detachably clamped on the middle part of the rotating shaft 4. A clockwork spring 6 is wound on the outer side of the winding shaft 5. The bottom ends of the two clockwork springs 6 are fixedly connected, and the bottom edge of the clockwork spring 6 is smoothed.
[0025] In this embodiment, a drainage groove 14 is fixedly provided at the middle of the bottom end of the power meter panel 1 , and the left and right sides of the drainage groove 14 extend to the drainage slope 13 . A sealing edge strip 15 is fixedly provided at the rear side of the power meter panel 1 .
[0026] A sealing ring 2 is detachably bonded to the screen assembly hole 11 of the power meter panel 1, a display screen 21 is bonded to the middle of the sealing ring 2, the front side of the display screen 21 extends and exceeds the front side of the sewage discharge slope 13 by at least 1 mm, the front side of the display screen 21 contacts the bottom of the clockwork coil spring 6, the bottom of the display screen 21 extends to the top of the sewage discharge trough 14, and the left and right sides of the bottom of the display screen 21 extend to the top of the sewage discharge slope 13 respectively.
[0027] The arrangement of the drainage groove 14 and the drainage slope 13, and the reserved offset of at least 1 mm between the display screen 21 and the drainage slope 13, facilitate the falling of dust and other impurities scraped from the outside of the display screen 21 by the winding spring 6, and the arrangement of the sealing edge strip 15 facilitates the assembly of the power meter panel 1 and the power meter housing.
[0028] In this embodiment, the outer sides of the two B plates 3 are fixedly connected to the left and right sides of the top inner wall of the power meter panel 1, the middle part of the B plate 3 is movably connected to the rear end of the rotating shaft 4, and the front side of the B plate 3 is movably connected to the rear side of the scroll 5.
[0029] The B board 3 completes the assembly process of the gear motor 31 and the rotating shaft 4 , and completes the assembly of the winding shaft 5 and the winding spring 6 on the left and right sides of the top of the power meter panel 1 .
[0030] The mainspring 6, the winding shaft 5 and the rotating shaft 4 are assembled on the B plate 3. The B plate 3 is at the top of the power meter panel 1. Combined with the opening of the screen assembly hole 11, the installation space of the mainspring 6 on the inner side of the power meter panel 1 is constrained to facilitate the mainspring 6 to extend from the guide hole 12 to the outside of the display screen 21.
[0031] In this embodiment, a conductive path is formed between the rotating shaft 4 and the reel 5. The rear end of the rotating shaft 4 is movably sleeved with a copper sleeve 7. The copper sleeve 7 and the rotating shaft 4 form a conductive path. A grounding wire 71 is welded to the outside of the copper sleeve 7. The front side of the copper sleeve 7 extends to the rear side of the B plate 3.
[0032] The copper sleeve 7, the rotating shaft 4, the reel 5, and the winding spring 6 form a conductive path, and the grounding wire 71 is connected to the grounding terminal of the power meter, so as to facilitate the timely removal of static electricity on the surface of the display screen 21 and avoid excessive dust adsorption on the surface of the display screen 21 due to static electricity.
[0033] In this embodiment, the top of the power meter panel 1 is detachably connected to the end cover 8 by bolts, and mounting holes 81 are fixedly provided at both ends of the end cover 8. A matching hole is fixedly provided in the middle of the bottom end of the end cover 8, and the matching hole extends to the top outer edge of the display screen 21.
[0034] The detachable structural design of the end cover 8 and the power meter panel 1 facilitates the user to maintain the structure of the reel 5 during the later use of the power meter.
[0035] In this embodiment, a sealing plug 9 is detachably sleeved on the mounting hole 81 of the power meter panel 1, and an adjustment seat 91 is detachably sleeved on the middle part of the sealing plug 9. The front and rear ends of the adjustment seat 91 are respectively provided with an adjustment groove 92 and a docking groove 93, and the docking groove 93 is detachably clamped with the front end of the rotating shaft 4.
[0036] The sealing plug 9 cooperates with the adjustment seat 91 . When the gear motor 31 is disabled, the adjustment seat 91 can be screwed by a screwdriver or other tool. The adjustment seat 91 cooperates with the rotating shaft 4 to drive the winding shaft 5 to complete the release or recovery of the mainspring 6 .
[0037] In this embodiment, the outer side of the spring 6 cooperates with the guide hole 12, the outer edge of the spring 6 cooperates with the screen assembly hole 11, the spring 6 and the winding shaft 5 form a conductive path, and the two springs 6 are wound counterclockwise and clockwise at the left and right ends of the power meter panel 1, and the connection between the two springs 6 extends downward.
[0038] The gear motor 31 drives the rotating shaft 4 to rotate, and the rotating shaft 4 and the winding shaft 5 cooperate to complete the release or recovery of the clockwork spring 6, and complete the release and recovery of the clockwork spring 6 in front of the display screen 21 for dust removal. When the two clockwork springs 6 are released, the clockwork spring 6 moves downward and bends on the outside of the display screen 21 to wipe off the dust in front of the display screen 21, thereby realizing the self-cleaning function design of the power meter. The clockwork spring 6 and the guide hole 12 cooperate to prevent dust on the outside of the power meter panel 1 from mixing into the inside of the power meter panel 1 through the clockwork spring 6.
[0039] In this embodiment, the spring core and the outer end of a single spring 6 are detachably connected to the outer sides of the two winding shafts 5 respectively. When the spring core of the spring 6 is located on the left or right side of the power meter panel 1, it is wound counterclockwise or clockwise. The installation point of the spring core of the spring 6 corresponds to the rotating shaft 4 and cooperates with the gear motor 31, and the rotating shaft 4 corresponding to the installation point of the outer end of the spring 6 is fixedly assembled on the B plate 3.
[0040] According to the customization requirements of the equipment, a single gear motor 31 and a single mainspring spring 6 are configured, where the mainspring core and the outer end of the single mainspring spring 6 are fixed to two reels 5 respectively, wherein the reel 5 and the rotating shaft 4 connected to the outer end of the mainspring spring 6 are non-rotating on the corresponding B plate 3, so as to facilitate the gear motor 31 to complete the release and recovery of the mainspring spring 6 and realize the wiping of dust on the outside of the display screen 21.
[0041] The above-described embodiments only express a certain implementation mode of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the patent scope of the present invention. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be based on the attached claims.
Claims
1. A self-cleaning structure for an electric power meter, characterized in that: Includes the following structure: A power meter panel (1), wherein a screen assembly hole (11) is fixedly provided at the middle of the top of the power meter panel (1), guide holes (12) are opened at the top of the power meter panel (1) symmetrically with respect to the middle of the screen assembly hole (11), and a drainage slope (13) is fixedly provided at the middle of the power meter panel (1), and the top of the drainage slope (13) extends upward to the height of the middle of the screen assembly hole (11); Two B plates (3), a gear motor (31) is fixedly arranged on the rear side of the B plate (3), a rotating shaft (4) is clamped on the front output end of the gear motor (31), a winding shaft (5) is detachably clamped on the middle part of the rotating shaft (4), a mainspring (6) is wound around the outer side of the winding shaft (5), the bottom ends of the two mainsprings (6) are fixedly connected, and the bottom edge of the mainspring (6) is smoothed.
2. The self-cleaning structure of an electric power meter according to claim 1, characterized in that: A drainage groove (14) is fixedly provided at the middle of the bottom end of the power meter panel (1), and the left and right sides of the drainage groove (14) extend to the drainage slope (13), and a sealing edge strip (15) is fixedly provided at the rear side of the power meter panel (1); The screen assembly hole (11) of the power meter panel (1) is detachably bonded with a sealing ring (2), the middle of the sealing ring (2) is bonded with a display screen (21), the front side of the display screen (21) extends and exceeds the front side of the sewage discharge slope (13) by at least 1 mm, the front side of the display screen (21) contacts the bottom of the spring coil (6), the bottom of the display screen (21) extends to the top of the sewage discharge groove (14), and the left and right sides of the bottom of the display screen (21) respectively extend to the top of the sewage discharge slope (13).
3. The self-cleaning structure of an electric power meter according to claim 1, characterized in that: The outer sides of the two B plates (3) are respectively fixedly connected to the left and right sides of the top inner wall of the power meter panel (1), the middle part of the B plate (3) is movably connected to the rear end of the rotating shaft (4), and the front side of the B plate (3) is movably connected to the rear side of the scroll (5).
4. The self-cleaning structure of an electric power meter according to claim 1, characterized in that: A conductive path is formed between the rotating shaft (4) and the reel (5); a copper sleeve (7) is movably sleeved at the rear end of the rotating shaft (4); the copper sleeve (7) and the rotating shaft (4) form a conductive path; a grounding wire (71) is welded to the outside of the copper sleeve (7); and the front side of the copper sleeve (7) extends to the rear side of the B plate (3).
5. The self-cleaning structure of an electric power meter according to claim 1, characterized in that: The top end of the power meter panel (1) is detachably connected to an end cover (8) via bolts, the left and right ends of the end cover (8) are both provided with mounting holes (81), and the middle portion of the bottom end of the end cover (8) is provided with a matching hole, which extends to the top outer edge of the display screen (21).
6. The self-cleaning structure of an electric power meter according to claim 5, characterized in that: A sealing plug (9) is detachably sleeved at the mounting hole (81) of the power meter panel (1); an adjustment seat (91) is detachably sleeved at the middle of the sealing plug (9); an adjustment groove (92) and a docking groove (93) are respectively provided at the front and rear ends of the adjustment seat (91); the docking groove (93) is detachably engaged with the front end of the rotating shaft (4).
7. The self-cleaning structure of an electric power meter according to claim 1, characterized in that: The outer side of the spring coil (6) cooperates with the guide hole (12), the outer edge of the spring coil (6) cooperates with the screen assembly hole (11), the spring coil (6) and the winding shaft (5) form a conductive path, the two spring coils (6) are wound counterclockwise and clockwise at the left and right ends of the power meter panel (1), and the connection between the two spring coils (6) extends downward.
8. The self-cleaning structure of an electric power meter according to claim 1, characterized in that: The spring core and the outer end of the single spring coil (6) are respectively detachably connected to the outer sides of the two winding shafts (5); the spring core of the spring coil (6) is wound counterclockwise or clockwise when located on the left or right side of the electric meter panel (1); the spring core of the spring coil (6) is mounted at a point corresponding to the rotating shaft (4) and cooperates with the gear motor (31); and the rotating shaft (4) corresponding to the mounting point of the outer end of the spring coil (6) is fixedly assembled on the B plate (3).
Citation Information
Patent Citations
Electric power meter with internal heat dissipation and cleaning function
CN110068709A