A safety protection electric energy metering box for smart grid

Abstract

This invention relates to the field of electricity metering box technology, specifically a smart grid safety protection electricity metering box. It includes a main box with a mounting frame inside, and an upper support on the top of the main box, on which an adjustment mechanism is mounted. The invention uses the adjustment mechanism to drive symmetrically arranged heat dissipation components to reciprocate, adjusting the position of the cooling fan, expanding the airflow coverage, preventing localized overheating, and improving heat dissipation. A clockwise ratchet mechanism and a counterclockwise ratchet mechanism are connected to an anti-blocking mechanism and a dust removal mechanism, respectively. During the reciprocating movement of the cooling fan, the anti-blocking scraper and the dust removal frame can operate alternately. When the anti-blocking scraper moves intermittently in one direction, it can clean the air inlet screen, preventing blockage. When the dust removal frame is running, it can work with the support spring to contact and clean the upper and lower surfaces of the anti-blocking scraper, preventing dust from adhering to the scraper and increasing movement resistance, thus ensuring the effectiveness of anti-blocking and dust removal.

Description

Technical Field

[0001] This invention belongs to the technical field of electricity metering boxes, and specifically relates to a safety protection electricity metering box for smart grids. Background Technology

[0002] An electricity metering box is a specialized distribution box used to house and fix electricity metering devices, terminal equipment, and their auxiliary electrical components. It serves as a physical node and key facility connecting the power supply network to user loads, enabling electricity trade settlement, data collection, and management. The metering box's structure provides enclosed protection for live parts, preventing direct contact by personnel and making it an important safety protection structure. Existing electricity metering boxes require circulating fans inside to accelerate airflow and dissipate heat, preventing internal overheating from affecting the accuracy of electrical components. However, these fans are fixed in place, resulting in a relatively unidirectional airflow. Components along the airflow path experience better heat dissipation, while other parts are not covered, easily forming hot spots and causing localized overheating. Furthermore, dust easily accumulates at the air inlet during airflow circulation, hindering airflow and requiring regular cleaning, increasing maintenance costs. Therefore, designing a safe and protective electricity metering box for smart grids is essential. Summary of the Invention

[0003] The purpose of this invention is to provide a simple and reasonably designed safety protection power metering box for smart grids in order to solve the above-mentioned problems.

[0004] The present invention achieves the above objectives through the following technical solutions:

[0005] A smart grid safety protection power metering box includes a main box, in which a mounting frame is provided, an upper support is provided on the top of the main box, an adjustment mechanism is provided on the upper support, and a cooling fan is installed on the adjustment mechanism; a lower support is provided at the bottom of the main box, and an anti-blocking mechanism and a dust removal mechanism are provided on the lower support.

[0006] The adjustment mechanism includes a rainproof cover fixed to the upper support, an exhaust mesh plate on the upper support, an adjustment motor on the top of the upper support, the output end of the adjustment motor being fixedly connected to the first column, a second column being rotatably connected to the upper support, an adjustment belt being tensioned on the second column and the first column, fixed clamps being symmetrically fixed on the adjustment belt, and a cooling fan being fixedly mounted on the fixed clamps; a clockwise ratchet mechanism is provided on the first column, which is connected to an anti-blocking mechanism, and a counterclockwise ratchet mechanism is provided on the second column, which is connected to a dust removal mechanism.

[0007] As a further optimization of the present invention, the anti-blocking mechanism includes a rotating support rotatably connected to the bottom of the lower support, a first connecting belt tensioned on the rotating support, and anti-blocking scrapers evenly arranged on the first connecting belt.

[0008] As a further optimization of the present invention, the clockwise ratchet mechanism includes a first pawl rotatably connected to the bottom of the first support column. The first pawl is pressed against the inner wall of the first ratchet by a first spring, and one end of the first spring is fixed to the first support column.

[0009] As a further optimization of the present invention, the bottom of the first ratchet is fixed on the connecting sleeve, the connecting sleeve is rotatably connected to the lower support, and the bottom end of the connecting sleeve is connected to one of the rotating supports through a meshing bevel gear.

[0010] As a further optimization of the present invention, the ash removal mechanism includes a support sleeve rotatably connected to the bottom of the lower support, and a second connecting belt is tensioned on the support sleeve.

[0011] As a further optimization of the present invention, the second connecting strip is symmetrically provided with support springs, one end of the support spring is connected to a dust removal frame, and the dust removal frame is detachably connected to an anti-clogging scraper.

[0012] As a further optimization of the present invention, the reversing ratchet mechanism includes a second pawl rotatably connected to the bottom of the second support column. The second pawl is pressed against the inner wall of the second ratchet by a second spring. One end of the second spring is fixed to the second support column, and the bottom of the second ratchet is fixed to one of the support sleeves.

[0013] As a further optimization of the present invention, the anti-clogging scraper is detachably attached to the air inlet mesh plate, and the air inlet mesh plate is installed on the lower support.

[0014] The beneficial effects of this invention are as follows:

[0015] 1. In the process of cooling the fan, the present invention adjusts the position of the cooling fan by moving the symmetrically arranged heat dissipation components on both sides of the adjustment belt back and forth through the adjustment motor. When the position of the cooling fan changes, it will cause the airflow direction to change, expand the airflow coverage area, prevent local overheating, and improve the heat dissipation effect.

[0016] 2. This invention uses a clockwise ratchet mechanism and a counterclockwise ratchet mechanism to connect the anti-blocking mechanism and the dust removal mechanism, respectively. During the reciprocating movement of the cooling fan, the anti-blocking scraper and the dust removal frame can operate alternately. Since the spacing of the anti-blocking scrapers is consistent with the unidirectional running distance of the regulating belt, and the length of the second connecting belt is twice the unidirectional running distance of the regulating belt, the anti-blocking scrapers arranged at intervals on the first connecting belt will intermittently stop on one side of the second connecting belt in turn. This allows the dust removal frame on the second connecting belt to scrape dust off the anti-blocking scrapers in turn, preventing the air inlet mesh from getting clogged and avoiding dust sticking to the anti-blocking scrapers, which would increase the movement resistance and ensure the effectiveness of anti-blocking and dust removal. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0018] Figure 2 This is a schematic diagram showing the position of the mounting bracket of the present invention;

[0019] Figure 3 This is a partial three-dimensional structural diagram of the present invention;

[0020] Figure 4 This is a schematic diagram showing the position of the cooling fan in this invention;

[0021] Figure 5 This is a schematic diagram of the anti-blocking mechanism and ash removal mechanism of the present invention;

[0022] Figure 6 yes Figure 5 A partial schematic diagram of region A in the middle;

[0023] Figure 7 yes Figure 5 A partial schematic diagram of region B in the middle;

[0024] Figure 8 yes Figure 5 A partial schematic diagram of region C in the middle.

[0025] In the diagram: 1. Main housing; 2. Mounting frame; 3. Upper support; 4. Adjustment mechanism; 5. Cooling fan; 6. Lower support; 7. Anti-blocking mechanism; 8. Ash removal mechanism; 9. Exhaust screen; 10. Forward-rotating ratchet mechanism; 11. Reverse-rotating ratchet mechanism; 12. Air inlet screen; 41. Rain cover; 42. Adjustment motor; 43. First support column; 44. Second support column; 45. Adjustment belt; 46. Fixing clamp; 71. Rotating support; 72. First connecting belt; 73. Anti-blocking scraper; 81. Support sleeve; 82. Second connecting belt; 83. Support spring; 84. Ash removal frame; 101. First pawl; 102. First spring; 103. First ratchet; 104. Connecting sleeve; 111. Second pawl; 112. Second spring; 113. Second ratchet. Detailed Implementation

[0026] The present application will now be described in further detail with reference to the accompanying drawings. It should be noted that the following specific embodiments are only used to further illustrate the present application and should not be construed as limiting the scope of protection of the present application. Those skilled in the art can make some non-essential improvements and adjustments to the present application based on the above application content.

[0027] Example: Please refer to Figure 1-8 A smart grid safety protection energy metering box includes a main box 1, a mounting frame 2 in the main box 1 for supporting electrical components such as meters and circuit breakers, an upper support 3 on the top of the main box 1, an adjustment mechanism 4 on the upper support 3, a cooling fan 5 on the adjustment mechanism 4 for adjusting the position of the cooling fan 5, and a negative pressure generated at the upper support 3 when the cooling fan 5 is running, causing the gas in the main box 1 to be discharged from the upper support 3; a lower support 6 at the bottom of the main box 1, an air inlet mesh plate 12 for air intake on the lower support 6, an anti-blocking mechanism 7 and a dust removal mechanism 8 on the lower support 6, the anti-blocking mechanism 7 can clean the air inlet mesh plate 12 to prevent dust accumulation from affecting airflow, and the dust removal mechanism 8 can prevent dust from accumulating on the anti-blocking mechanism 7 and affecting the actual effect of anti-blocking treatment.

[0028] Please see Figure 1-5The adjustment mechanism 4 includes a rain cover 41 fixed to the upper support 3, which prevents rainwater from accumulating on the upper support 3. An exhaust fan 9 is installed on the upper support 3. The operation of the cooling fan 5 generates upward airflow, which passes through the exhaust fan 9 and exits between the upper support 3 and the rain cover 41. Simultaneously, upward airflow is generated in the main housing 1 to accelerate the ventilation and heat exchange process. An adjustment motor 42 is installed at the top of the upper support 3, located inside the protective cover at the top of the upper support 3. The output end of the adjustment motor 42 is fixedly connected to the first pillar 43. A second pillar 44 is rotatably connected to the upper support 3. An adjustment belt 45 is tensioned between the second pillar 44 and the first pillar 43 via rollers. Fixed clamps 46 are symmetrically fixed to the adjustment belt 45. The fixed clamps 46 are slidably connected to the guide rails between the mounting brackets 2. The cooling fan 5 is fixedly mounted on the fixed clamps 46. A temperature sensor is installed in the main housing 1, which is connected to an external controller. When the temperature sensor detects that the temperature in the main housing 1 reaches a threshold, the external controller controls the cooling fan 5 to generate airflow. When the airflow passes through the exhaust mesh 9 and exits between the upper support 3 and the rain cover 41, it will carry away the heat in the main housing 1 and cool down the metering box. When the temperature sensor detects that the temperature is too high and exceeds the warning value, the external controller controls the regulating motor 42 to run. The regulating motor 42 drives the first support column 43 to reciprocate in both directions. The rotation of the first support column 43 will work with the second support column 44 to move the fixed clamps 46 symmetrically arranged on both sides of the regulating belt 45 and the cooling fan 5 closer or further apart, thereby adjusting the position of the cooling fan 5. When the position of the cooling fan 5 changes, it will cause the airflow direction to change, expand the airflow coverage, prevent local overheating, and improve the heat dissipation effect.

[0029] Please see Figure 3-8The anti-blocking mechanism 7 includes a rotating support 71 rotatably connected to the bottom of the lower support 6. A first connecting belt 72 is tensioned on the rotating support 71. Anti-blocking scrapers 73 are evenly arranged on the first connecting belt 72. The spacing of the anti-blocking scrapers 73 is consistent with the unidirectional running distance of the adjusting belt 45. The anti-blocking scrapers 73 can be detachably attached to the air inlet mesh plate 12. During the rotation of the rotating support 71, the anti-blocking scrapers 73 on the first connecting belt 72 can scrape the air inlet slot of the air inlet mesh plate 12 from the bottom to achieve a cleaning effect. The clockwise ratchet mechanism 10 includes a first pawl 101 rotatably connected to the bottom of the first pillar 43. The first pawl 101 has three circumferentially distributed at the bottom of the first pillar 43. The first pawl 101 is pressed against the inner wall of the first ratchet 103 by the first spring 102. One end of the first spring 102 is fixed to the first support column 43. When rotated clockwise, the first pawl 101 can abut against the groove on the inner wall of the first ratchet 103 under the action of the first spring 102, realizing clockwise unidirectional transmission of the rotating support 71. The bottom of the first ratchet 103 is fixed on the connecting sleeve 104. The connecting sleeve 104 is rotatably connected to the lower support 6. The bottom end of the connecting sleeve 104 is provided with a first bevel gear. The first bevel gear meshes with the second bevel gear. The second bevel gear is fixed on one of the rotating supports 71. During the process of the adjusting motor 42 driving the first support column 43 to reciprocate forward and reverse, the clockwise rotation of the first support column 43 can be combined with the clockwise rotation ratchet mechanism 10 to drive the anti-blocking scraper 73 to intermittently and unidirectionally clean the air inlet slot on the air inlet mesh plate 12.

[0030] Please see Figure 3-8The dust removal mechanism 8 includes a support sleeve 81 rotatably connected to the bottom of the lower support 6. A second connecting belt 82 is tensioned on the support sleeve 81 via rollers. The length of the second connecting belt 82 is twice the unidirectional running distance of the adjusting belt 45. Support springs 83 are symmetrically arranged on the second connecting belt 82. One end of the support spring 83 is connected to a dust removal frame 84. The dust removal frame 84 is detachably slidably connected to an anti-clogging scraper 73. The support springs 83 provide elastic support for the dust removal frame 84 to prevent collision and damage when the dust removal frame 84 contacts the anti-clogging scraper 73. During the rotation of the support sleeve 81, the second connecting belt 82 drives the dust removal frame 84 to move via the support spring 83. After the dust removal frame 84 contacts the upper and lower surfaces of the anti-clogging scraper 73, it scrapes the dust off the anti-clogging scraper 73. The reversing ratchet mechanism 11 includes a second pawl 111 rotatably connected to the bottom of the second support column 44. The second pawl 111 has three... The second pawl 111 is distributed in a circle at the bottom of the second pillar 44. The second pawl 111 is pressed against the inner wall of the second ratchet 113 by the second spring 112. One end of the second spring 112 is fixed to the second pillar 44. The bottom of the second ratchet 113 is fixed to one of the support sleeves 81. During the counterclockwise rotation of the second pillar 44 with the first pillar 43, the second pawl 111 will abut against the groove of the inner wall of the second ratchet 113 under the action of the second spring 112, thereby driving the second ratchet 113 and the support sleeve 81 to rotate. During the reciprocating forward and reverse rotation of the first pillar 43 and the second pillar 44 driven by the adjusting motor 42, the reverse ratchet mechanism 11 can be used to drive the dust removal frame 84 to intermittently clean the anti-clogging scraper 73 located on one side of the second connecting belt 82 in the counterclockwise rotation of the second pillar 44. This avoids the adhering dust from increasing the movement resistance of the anti-clogging scraper 73, while ensuring the anti-clogging and dust removal effect.

[0031] It should be noted that, in the use of this smart grid safety protection energy metering box, firstly, according to the power distribution requirements, electrical components such as circuit breakers and meters are installed on the mounting frame 2. When the temperature sensor detects that the temperature in the main box 1 reaches the threshold, the external controller controls the cooling fan 5 to generate airflow. When the airflow passes through the exhaust mesh 9 and is discharged between the upper support 3 and the rain cover 41, it will carry away the heat in the main box 1 and cool down the metering box. When the temperature sensor detects that the temperature is too high and exceeds the warning value, the external controller controls the regulating motor 42 to run. The regulating motor 42 drives the first support column 43 to reciprocate forward and reverse. The rotation of the first support column 43 will cooperate with the second support column 44 to drive the fixed clamps 46 and the cooling fan 5 symmetrically arranged on both sides of the regulating belt 45 to move closer or further apart, thereby adjusting the position of the cooling fan 5. When the position of the cooling fan 5 changes, it will cause the airflow direction to change, expand the coverage of the airflow, prevent local overheating, and improve the heat dissipation effect.

[0032] As the cooling fans 5 approach each other, the first support column 43 and the second support column 44 rotate clockwise synchronously. When the first support column 43 rotates clockwise following the adjustment belt 45, the clockwise ratchet mechanism 10 drives the anti-clogging scraper 73 to intermittently scrape the air inlet slots on the air inlet mesh 12 in one direction. When it reaches its travel limit, an anti-clogging scraper 73 that has finished scraping the air inlet mesh 12 will stop on one side of the second connecting belt 82. Subsequently, when the second support column 44 rotates counterclockwise following the adjustment belt 45, the reverse ratchet mechanism 11 drives the dust removal frame 84 to contact and scrape the anti-clogging scraper 73 on one side of the second connecting belt 82, preventing adhering dust from increasing the movement resistance of the anti-clogging scraper 73, while simultaneously ensuring... This prevents the clogging and dust removal effect; and then, during the reciprocating movement of the cooling fan 5, the anti-clogging scraper 73 and the dust removal frame 84 alternately operate. Since the spacing of the anti-clogging scraper 73 is consistent with the one-way running distance of the regulating belt 45, and the length of the second connecting belt 82 is twice the one-way running distance of the regulating belt 45, the anti-clogging scrapers 73 arranged at intervals on the first connecting belt 72 will scrape the air inlet mesh plate 12, and intermittently stop on one side of the second connecting belt 82 in turn, so that the dust removal frame 84 on the second connecting belt 82 can scrape the dust off the anti-clogging scraper 73 in turn, preventing the air inlet mesh plate 12 from being blocked while avoiding dust sticking to the anti-clogging scraper 73 and increasing the movement resistance, thus ensuring the anti-clogging and dust removal effect.

[0033] The embodiments described above are merely examples of several implementations of the present invention, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements all fall within the scope of protection of the present invention.

Claims

1. A safety protection power metering box for smart grids, comprising a main box body, characterized in that: The main housing is equipped with an installation frame, and the top of the main housing is equipped with an upper support. An adjustment mechanism is installed on the upper support, and a cooling fan is installed on the adjustment mechanism. The bottom of the main housing is equipped with a lower support, and an anti-blocking mechanism and a dust removal mechanism are installed on the lower support. The adjustment mechanism includes a rain cover fixed to the upper support, an exhaust mesh plate on the upper support, an adjustment motor on the top of the upper support, the output end of the adjustment motor being fixedly connected to the first column, a second column being rotatably connected to the upper support, an adjustment belt being tensioned on the second column and the first column, fixed clamps being symmetrically fixed on the adjustment belt, and a cooling fan being fixedly mounted on the fixed clamps; a clockwise ratchet mechanism is provided on the first column, which is connected to an anti-blocking mechanism, and a counterclockwise ratchet mechanism is provided on the second column, which is connected to a dust removal mechanism; The anti-blocking mechanism includes a rotating support rotatably connected to the bottom of the lower support, a first connecting belt tensioned on the rotating support, and anti-blocking scrapers evenly arranged on the first connecting belt. The clockwise ratchet mechanism includes a first pawl rotatably connected to the bottom of the first support column. The first pawl is pressed against the inner wall of the first ratchet by a first spring, and one end of the first spring is fixed to the first support column. The bottom of the first ratchet is fixed to the connecting sleeve, the connecting sleeve is rotatably connected to the lower support, and the bottom end of the connecting sleeve is connected to one of the rotating supports through meshing bevel gears; The ash removal mechanism includes a support sleeve rotatably connected to the bottom of the lower support, and a second connecting belt is tensioned on the support sleeve; The second connecting strip is symmetrically provided with support springs, one end of which is connected to a dust removal frame, and the dust removal frame is detachably connected to an anti-clogging scraper. The reversing ratchet mechanism includes a second pawl rotatably connected to the bottom of the second support column. The second pawl is pressed against the inner wall of the second ratchet by a second spring. One end of the second spring is fixed to the second support column, and the bottom of the second ratchet is fixed to one of the support sleeves.

2. The smart grid safety protection power metering box according to claim 1, characterized in that: The anti-clogging scraper can be detachably attached to the air inlet mesh plate, which is installed on the lower support.

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