An electric energy metering box with safety protection structure
By designing an automatic locking and unlocking safety protection structure in the power metering box, combining the linkage between the electric push rod and the card swipe machine and the warning function of the breathing light, the problem that the power metering box is easily exposed during the maintenance process is solved, achieving higher safety and efficiency of use.
Patent Information
- Application Number
- CN202411277525.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-12
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2044-09-12
AI Technical Summary
The existing power metering box is easily exposed due to unlocking during power repair or inspection, resulting in equipment aging, weakening of performance and safety hazards, and lacks effective automatic locking and protective measures.
An electric energy metering box with a safety protection structure was designed, and the top column, traction rope and long plug rod were used to automatically lock and unlock. Combined with the linkage between the electric push rod and the card swipe machine, the box was automatically opened and closed, and the maintenance personnel were reminded to cover the flip cover in time through the breathing light and trigger buttons to prevent rainwater and dust from entering.
The automatic locking and unlocking of the power metering box is realized, which improves the safety and service life of the equipment, reduces the risks of theft and man-made damage, and improves operational convenience and efficiency.
Smart Images

Figure CN119171206B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the field of meter boxes, and in particular to an electric energy meter box with a safety protection structure. Background Art
[0002] An energy meter box, also known as an electricity meter box or an electric meter box, is a special box used to install and protect energy metering equipment. It plays a key role in the power supply system and is usually installed in residential areas, commercial buildings or industrial sites. Its main function is to measure the amount of electricity consumed by users and provide data to power companies for electricity bill calculation and power management.
[0003] Chinese invention patent CN116565719B discloses a corrosion-resistant electric energy meter box. When the door of the meter box is opened, its limit assembly releases the restriction on the slide plate, so that the door can be opened. At the same time, the moving assembly drives the slide plate to move in the slide groove, and the dustproof net is cleaned by the cleaning assembly, so as to clean the dust inside the electric energy meter box; Chinese invention patent CN115085058B discloses an active heat dissipation electric energy meter box with a high temperature alarm function. During the entire active heat dissipation process, the meter box simultaneously performs heat dissipation treatment on the inside of the box body through a variety of heat dissipation treatment methods, and can timely discharge the heat generated inside the electric energy meter box, which is convenient for the electric energy meter box heat dissipation protection; although both have their own unique advantages, there are still shortcomings. Both only use conventional locks on the box door to provide safety protection for the entire electricity meter box. In the actual power maintenance or inspection process, after completing the necessary maintenance work, the maintenance personnel may forget to re-lock the door of the electricity meter box due to negligence or busyness, leaving the electricity metering equipment exposed to the outside, making it more susceptible to erosion by rain and dust, resulting in accelerated aging of the equipment and weakened performance. It may also be subject to malicious damage or theft. In addition, since the electricity metering device itself carries a potentially dangerous voltage, exposure to the outside may also cause accidental electric shock accidents, posing a direct threat to public safety. Summary of the invention
[0004] In order to overcome the above-mentioned shortcomings of the prior art, the present invention provides an electric energy metering box with a safety protection structure.
[0005] The technical solution of the present invention is: an electric energy meter box with a safety protection structure, comprising a base frame with a slide rail and a box body with a flip cover, the top of the box body is provided with ventilation holes, the base frame is provided with slide rails in pairs, the box body and the slide rails are slidably matched; an electric push rod with a movable end fixedly connected to the box body is installed in the middle of the base frame, and a card reader electrically connected to the electric push rod is installed on the flip cover; it also includes a partition II clamped in the box body and a top column fixedly arranged on the base frame, The top column slides through the rear side wall of the box body and slides in contact with the lower surface of the partition II. A long insertion rod is slidably arranged on the partition II. An elastic member I is arranged between the long insertion rod and the partition II. When the flip cover is closed, the long insertion rod simultaneously penetrates the right side wall of the box body and the flip cover and locks the flip cover. It also includes a traction rope I arranged between the top column and the long insertion rod and a winding column I arranged on the lower surface of the partition II, and the traction rope I abuts against the winding column I.
[0006] In one of the embodiments, it further includes a partition plate I disposed in the box body, a winding wheel is installed on the upper surface of the partition plate I, and a sliding column is slidably connected between the partition plate I and the partition plate II.
[0007] In one of the embodiments, a pull rope is wound around the winding wheel, and both ends of the pull rope are respectively connected to the flip cover and the sliding column. When the box slides backward along the slide rail, the front end of the top column contacts the sliding column.
[0008] In one of the embodiments, inner covers are clamped in the gaps between the partitions I and II and the two inner side walls of the box body.
[0009] In one of the embodiments, it also includes a short plug rod slidably set on the partition II, an elastic member II is set between the short plug rod and the partition II, and a traction rope II is connected between the partition II and the top column, and a winding column II is also set on the lower surface of the partition II to abut against the traction rope II.
[0010] In one embodiment, when the short insertion rod and the long insertion rod slide out of the box body, they can both penetrate the inner cover and limit the inner cover.
[0011] In one of the embodiments, a steel frame is installed on the inner side of the flip cover.
[0012] In one of the embodiments, two rebound pads are provided at the upper and lower parts of the base frame, both ends of the two rebound pads are provided with sliders slidably connected to the base frame, and a spring is provided between the sliders and the base frame.
[0013] In one of the embodiments, it also includes a breathing light installed on the front side of the flip cover and a trigger button set on the base frame. The trigger button is electrically connected to the breathing light and can contact the trigger button when the box moves backward.
[0014] In one of the embodiments, a shielding frame is provided on the top of the box body, the top of the shielding frame is inclined and the opening is backward, so as to shield the ventilation holes on the top of the box body.
[0015] The beneficial effects of the present invention are as follows: the present invention realizes automatic locking and unlocking of the box body through the arrangement of components such as the top column, the traction rope I and the long insertion rod, thereby preventing unauthorized personnel from opening the box body without authorization, protecting the safety of the electric energy metering equipment, and reducing the risk of theft and man-made damage; and the linkage between the electric push rod and the card reader automates the opening and closing process of the box body, thereby improving the convenience and efficiency of operation; the arrangement of the breathing light and the trigger button can make the breathing light flash after the box body is separated from the trigger button, thereby serving as a warning to remind maintenance personnel to close the flip cover; the design of the shielding frame helps to prevent rain and dust from entering the box body, thereby protecting the internal equipment from the influence of bad weather and extending the service life; the steel frame installed on the inner side of the flip cover and the rebound pads and sliders at both ends of the base frame increase the overall structural strength of the box body, and improve the earthquake resistance and impact resistance. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention.
[0017] Figure 2 The figure is a schematic diagram of the present invention after the flip cover is cut open.
[0018] Figure 3 It is a schematic diagram of the internal structure of the present invention.
[0019] Figure 4 It is a schematic diagram of the structure of partition I and partition II of the present invention.
[0020] Figure 5 Schematic diagram of the locking structure of the present invention.
[0021] Figure 6 It is a partial structural schematic diagram of the locking structure of the present invention.
[0022] Figure 7 A diagram of the reset structure of the present invention.
[0023] Figure 8 It is a schematic diagram of the structure of the base frame and the rebound pad of the present invention.
[0024] Fig. 9 It is a schematic structural diagram of the rebound pad and the sliding block of the present invention.
[0025] Fig.10It is a structural schematic diagram of the shielding frame of the present invention.
[0026] Markings in the figure are: 1-base frame, 11-slide rail, 2-box, 21-flip cover, 211-steel frame, 22-card reader, 23-electric push rod, 24-inner cover, 3-partition I, 31-partition II, 32-top column, 321-traction rope I, 322-traction rope II, 33-long plug rod, 34-short plug rod, 35-elastic part I, 351-elastic part II, 36-winding column I, 361-winding column II, 4-winding wheel, 41-sliding column, 42-pull rope, 5-rebound pad, 51-slider, 6-breathing light, 61-trigger button, 7-shielding frame. DETAILED DESCRIPTION
[0027] The preferred embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although the preferred embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.
[0028] As used herein, the term "including" and its variations mean open inclusion, i.e., "including but not limited to". Unless otherwise stated, the term "or" means "and / or". The term "based on" means "based at least in part on". The terms "an example embodiment" and "an embodiment" mean "at least one example embodiment". The term "another embodiment" means "at least one additional embodiment". The terms "first", "second", etc. may refer to different or the same objects.
[0029] See also Figure 1 and Figure 2 The embodiment of the present invention provides an electric energy meter box with a safety protection structure, comprising a base frame 1 with a slide rail 11 and a box body 2 with a flip cover 21, a ventilation hole is opened on the top of the box body 2, a pair of slide rails 11 are respectively arranged at the upper and lower parts of the base frame 1, the box body 2 is slidably matched with all the slide rails 11 at the same time, and an electric push rod 23 is installed in the middle part of the base frame 1, the movable end of the electric push rod 23 is fixedly connected to the rear side of the box body 2, when the movable end of the electric push rod 23 is extended or retracted, it will drive the box body 2 to slide forward or backward along the slide rail 11 accordingly, and initially, the movable end of the electric push rod 23 is in a retracted state, a card swiping machine 22 is installed on the front side of the flip cover 21 of the box body 2, the card swiping machine 22 is connected to the electric push rod 23 through a circuit, when the maintenance personnel swipe the card, the electric push rod 23 will be started and the box body 2 will be pushed forward, and a steel frame 211 is installed on the inner side of the flip cover 21, which can improve the overall structural strength of the box body 2, thereby improving the seismic and impact resistance of the entire metering box.
[0030] See also Figure 3-Figure 6In the embodiment of the present invention, it also includes a partition plate II 31 embedded and snap-fitted into the box body 2 and a top column 32 fixedly arranged on the left part of the base frame 1. A square hole matching with the top column 32 is opened on the rear side wall of the box body 2. When the box body 2 moves backward, the top column 32 passes through the square hole and slides against the lower surface of the partition plate II 31. A long plug rod 33 is slidingly arranged on the lower surface of the partition plate II 31, and an elastic member I 35 is arranged between the long plug rod 33 and the partition plate II 31. The elastic member I 35 adopts a spring. The right side wall of the box body 2 and the flip cover 21 are both provided with a through hole matching with the long plug rod 33, and when the flip cover 21 is closed, the long plug rod 33 is opened. When the box body 2 is lifted up, the two through holes overlap, a traction rope Ⅰ321 is connected between the top column 32 and the long insertion rod 33, a winding column Ⅰ36 is provided on the lower surface of the partition Ⅱ31, and the traction rope Ⅰ321 abuts against the winding column Ⅰ36. Initially, since the box body 2 is located at the rear of the slide rail 11, the traction rope Ⅰ321 is in a relaxed state. Under the action of the elastic member Ⅰ35, the long insertion rod 33 passes through the through holes on the right side wall of the box body 2 and the flip cover 21 at the same time, and locks the flip cover 21 so that it cannot be opened. When the box body 2 moves forward subsequently, the traction rope Ⅰ321 gradually tightens and pulls the long insertion rod 33 out of the through hole.
[0031] See also Figure 4 and Figure 7 In the embodiment of the present invention, it also includes a partition I3 embedded and snap-fitted into the box body 2, and the position of the partition I3 is lower than the partition II31, and a spacing of 5-8 cm is set between the two. A winding wheel 4 is installed on the upper surface of the partition I3, and a pull rope 42 is wound on the winding wheel 4. A sliding column 41 is slidably connected between the partition I3 and the partition II31. The two ends of the pull rope 42 are respectively connected to the flip cover 21 and the sliding column 41. When the flip cover 21 is opened, the sliding column 41 will slide backward along the partition I3 and the partition II31 under the pull of the pull rope 42. When the electric push rod 23 pulls the box body 2 to move backward, the top column 32 penetrates into the box body 2 and contacts the sliding column 41, and pushes the sliding column 41 to move forward relative to the partition I3 and the partition II31. Under the pull of the pull rope 42, the flip cover 21 is closed, and the function of automatically closing the flip cover 21 is realized.
[0032] See also Figure 2 , Figure 3 and Figure 6In the embodiment of the present invention, a transparent inner cover 24 is also included. The inner cover 24 is clamped in the gap between the partition I3 and the partition II31 and the two inner side walls of the box body 2, and can provide dust protection for the electric energy metering equipment in the box body 2. The left and right side walls of the inner cover 24 and the left side wall of the box body 2 are provided with plug holes. A short plug rod 34 is also slidably provided on the partition II31. An elastic member II351 is provided between the short plug rod 34 and the partition II31. The elastic member II351 adopts a spring. A traction rope II322 is connected between the partition II31 and the top column 32. The lower surface of the partition II31 is also provided with a traction rope II322. 322 abuts against the winding column II 361. Initially, since the box body 2 is located at the rear of the slide rail 11, the traction rope II 322 is in a relaxed state. Under the action of the elastic member II 351, the short plug rod 34 passes through the holes on the left wall of the box body 2 and the inner cover 24 at the same time. The long plug rod 33 locks the flip cover 21 and also passes through the hole on the right wall of the inner cover 24. Under the joint action of the short plug rod 34 and the long plug rod 33, the inner cover 24 is locked and limited. After the box body 2 moves forward and the short plug rod 34 and the long plug rod 33 are unlocked, the maintenance personnel can remove the inner cover 24 and check the internal electric energy metering equipment.
[0033] In the embodiment of the present invention, when the maintenance personnel conduct maintenance, they need to swipe the card first to start the electric push rod 23 and push the box body 2 forward. During this process, the traction rope I 321 and the traction rope II 322 are changed from a relaxed state to a tight state, and the elastic member I 35 and the elastic member II 351 are gradually stretched, and the long plug rod 33 and the short plug rod 34 are pulled into the box body 2 respectively, so that the inner cover 24 and the flip cover 21 are both in an unlocked state, and then the flip cover 21 is opened, and the inner cover 24 is removed to inspect the internal equipment. In the process of opening the flip cover 21, the pull rope 42 will pull the slide column 41 to slide backward along the partition I 3 and the partition II 31 After the inspection is completed, the inner cover 24 is installed, and the card is swiped again. The movable end of the electric push rod 23 is retracted, pulling the box body 2 to move backward, and the top column 32 is immediately inserted into the box body 2, contacting the sliding column 41 and pushing it forward relative to the partition Ⅰ3 and the partition Ⅱ31. Under the action of the pull rope 42, the flip cover 21 is automatically closed, and in the process of the top column 32 penetrating into the box body 2, the traction rope Ⅰ321 and the traction rope Ⅱ322 are changed from a tight state to a relaxed state, the elastic member Ⅰ35 and the elastic member Ⅱ351 are restored, and the long insertion rod 33 and the short insertion rod 34 are pulled to slide outside the box body 2 respectively, and the locking limit of the inner cover 24 and the flip cover 21 is completed.
[0034] See also Figure 8-Figure 10In the embodiment of the present invention, two rebound pads 5 are respectively arranged at the upper and lower parts of the base frame 1, and sliders 51 slidably connected to the base frame 1 are arranged at both ends of the rebound pads 5, and a spring is arranged between the sliders 51 and the base frame 1. When the box body 2 moves back to contact the rebound pads 5, the rebound pads 5 can provide a buffer for the box body 2, thereby reducing the impact on the electric energy metering equipment in the box body 2, and a breathing light 6 is installed on the front side of the flip cover 21, and a trigger button 61 electrically connected to the breathing light 6 is arranged on the base frame 1. Initially, the rear side of the box body 2 will contact the trigger button 61, and the trigger button 61 will be pressed. Button 61, at this time the breathing light 6 does not flash. When the maintenance personnel inspect the equipment in the box 2, they need to use the electric push rod 23 to push the box 2 forward, and the box 2 is out of contact with the trigger button 61. At this time, the breathing light 6 starts to flash. After the maintenance personnel complete the inspection of the equipment, they are reminded to swipe the card again to move the box 2 back to the initial position. A shielding frame 7 is also installed on the top of the box 2. The top of the shielding frame 7 is arranged to be inclined, and the opening faces backward, which can shield the ventilation holes on the top of the box 2 to prevent rainwater from dripping from the ventilation holes into the box 2 and causing damage to the internal power metering equipment.
[0035] The embodiments of the present invention have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles of the embodiments, practical applications, or technical improvements in the market, or to enable other persons of ordinary skill in the art to understand the embodiments disclosed herein.
[0036] The above are only optional embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. An electric energy metering box with a safety protection structure, comprising a base frame (1) with a slide rail (11) and a box body (2) with a flip cover (21), wherein a ventilation hole is provided on the top of the box body (2), and the base frame (1) is provided with a pair of slide rails (11), and the box body (2) and the slide rails (11) are slidably matched; Its characteristics are: An electric push rod (23) whose movable end is fixedly connected to the box body (2) is installed in the middle of the base frame (1), and a card reader (22) electrically connected to the electric push rod (23) is installed on the flip cover (21); It also includes a partition II (31) snap-fitted into the box body (2) and a top column (32) fixedly arranged on the base frame (1), wherein the top column (32) slides through the rear side wall of the box body (2) and slides in contact with the lower surface of the partition II (31), a long insertion rod (33) is slidably arranged on the partition II (31), an elastic member I (35) is arranged between the long insertion rod (33) and the partition II (31), and when the flip cover (21) is closed, the long insertion rod (33) simultaneously penetrates the right side wall of the box body (2) and the flip cover (21), and locks the flip cover (21); It also includes a traction rope I (321) arranged between the top column (32) and the long insertion rod (33) and a winding column I (36) arranged on the lower surface of the partition II (31), and the traction rope I (321) is in contact with the winding column I (36).
2. The electric energy meter box with a safety protection structure as claimed in claim 1, characterized in that: It also includes a partition plate I (3) disposed in the box body (2), a winding wheel (4) being mounted on the upper surface of the partition plate I (3), and a sliding column (41) being slidably connected between the partition plate I (3) and the partition plate II (31).
3. The electric energy meter box with a safety protection structure as claimed in claim 2, characterized in that: A pull rope (42) is wound around the winding wheel (4), and two ends of the pull rope (42) are respectively connected to the flip cover (21) and the slide column (41). When the box body (2) slides backward along the slide rail (11), the front end of the top column (32) contacts the slide column (41).
4. The electric energy meter box with a safety protection structure as claimed in claim 3 is characterized in that: An inner cover (24) is clamped in the gap between the partition plate I (3) and the partition plate II (31) and the two inner side walls of the box body (2).
5. The electric energy meter box with a safety protection structure as claimed in claim 4 is characterized in that: It also includes a short plug rod (34) slidably arranged on the partition II (31), an elastic member II (351) is arranged between the short plug rod (34) and the partition II (31), a traction rope II (322) is connected between the partition II (31) and the top column (32), and a winding column II (361) abutting against the traction rope II (322) is also arranged on the lower surface of the partition II (31).
6. The electric energy meter box with a safety protection structure as claimed in claim 5, characterized in that: When the short insertion rod (34) and the long insertion rod (33) slide toward the outside of the box body (2), they can both penetrate the inner cover (24) and limit its position.
7. The electric energy meter box with a safety protection structure as claimed in claim 6, characterized in that: A steel frame (211) is installed inside the flip cover (21).
8. The electric energy meter box with a safety protection structure as claimed in claim 7, characterized in that: It also comprises two rebound pads (5) arranged at the upper and lower parts of the base frame (1), both ends of the two rebound pads (5) are provided with sliders (51) slidably connected to the base frame (1), and a spring is provided between the sliders (51) and the base frame (1).
9. The electric energy meter box with a safety protection structure as claimed in claim 8, characterized in that: It also includes a breathing light (6) installed on the front side of the flip cover (21) and a trigger button (61) arranged on the base frame (1), wherein the trigger button (61) is electrically connected to the breathing light (6), and the box body (2) can contact the trigger button (61) when it moves backward.
10. The electric energy meter box with a safety protection structure as claimed in claim 9, characterized in that: A shielding frame (7) is arranged on the top of the box body (2); the top of the shielding frame (7) is inclined and the opening faces backwards, so as to shield the ventilation holes on the top of the box body (2).
Citation Information
Patent Citations
An active heat dissipation power metering box with high temperature alarm function
CN115085058B
A corrosion-resistant electric energy metering box
CN116565719B
Electric energy metering box with security structure
CN116759915A
Visual observation type power supply metering box
CN117458292A