Electric energy metering box with anti-collision reinforcing structure

Abstract

The invention provides an electric energy metering box with an anti-collision reinforcing structure, and belongs to the technical field of metering boxes, the metering box comprises a cabinet body framework, the bottom of the cabinet body framework is connected with a bottom plate, the back of the cabinet body framework is connected with a back plate, and the top of the cabinet body framework is provided with a top anti-collision part. A mounting plate assembly is arranged between the top anti-collision part and the bottom plate, side anti-collision assemblies are arranged on the left side and the right side of the cabinet body framework, and a movable door assembly is rotationally connected to the front face of the cabinet body framework. According to the anti-collision structure of the electric energy metering box provided by the invention, through the cooperation of differentiated air bag configuration, buffer design and a safety valve protection system, the problem that a traditional electric energy metering box cannot cope with collision of different parts and different intensities due to the adoption of homogenization design is solved; and the defects of lack of dynamic response capability and emergency mechanism in the prior art are overcome, and the safety and reliability of the electric energy metering box under various impact conditions are ensured.

Description

Technical Field

[0001] The present invention belongs to the technical field of metering boxes, and particularly relates to an electric energy metering box with an anti-impact strengthening structure. Background Art

[0002] The electric energy metering box is an important device in the power system, which is used to install electric energy meters and related power distribution devices. It is usually installed in public areas or buildings to facilitate meter reading and maintenance by staff. However, due to the special installation location, the bottom and back of the metering box are basically not impacted, but the other sides often face the risk of various external impacts, such as carrying items, cart collisions, and human collisions. These impacts mainly concentrate on the top and front of the metering box, and sometimes its side is also impacted, which may cause the metering box to deform, internal components to be damaged, and even lead to electrical safety accidents. Currently, the common electric energy metering boxes on the market are mainly made of metal plates, relying only on the strength of their own materials to resist external impacts, lacking effective buffer and protection structures.

[0003] After retrieval, patent CN119154121A discloses an electric energy metering box with a security structure, which relates to the technical field of metering boxes. The patent includes an outer box of the metering box, an inner box of the metering box is fixed inside the outer box of the metering box, an I-shaped bracket is fixed on the rear side of the outer box of the metering box, a box door is hinged on the front side of the outer box of the metering box, and an anti-sway device is arranged on the front side of the I-shaped bracket. The anti-sway device includes two hollow insertion posts, and both of the two hollow insertion posts penetrate and are slidably installed on the front side of the I-shaped bracket. Through the setting of the anti-sway device, the cooperation of the screw, the internal thread plate, the hollow insertion post, the rotating column, the triangular push plate, and the clamping plate enables the spring of the hollow insertion post to push the outer box of the metering box to closely adhere to the wall under the elastic force of the spring corresponding to the hollow insertion post, thereby avoiding the gap between the outer box of the metering box and the wall.

[0004] Although the power metering box in the above-mentioned patent document can avoid gaps between the outer box of the metering box and the wall, protecting the bottom and back of the metering box to a certain extent, there is a lack of effective protection for the top, front, and sides that are most vulnerable to impact. That is to say, the protection structure of the power metering box in the prior art generally adopts a homogenized design, which cannot identify and respond to impacts of different parts and intensities, resulting in limited protection effects. This homogenized design further leads to a lack of a response mechanism to changes in impact intensity, making the system unable to provide corresponding protection levels according to the actual impact degree. Due to the failure to consider the actual differences in the impact risks of each part, the allocation of protection resources is unreasonable, with insufficient protection in high-risk areas and excessive protection in low-risk areas. More seriously, the existing fixed protection design lacks dynamic response capabilities and cannot actively adjust or disperse impact energy when an impact occurs. In the face of a strong impact beyond the design range, the existing protection system has no effective emergency mechanism, cannot ensure the safety of internal electrical components, and increases the risk of safety accidents. Summary of the Invention

[0005] Aiming at the deficiencies of the prior art, the purpose of the present invention is to provide a power metering box with an impact-resistant strengthening structure, effectively solving the problems in the prior art that the protection structure of the power metering box in the prior art generally adopts a homogenized design, which cannot identify and respond to impacts of different parts and intensities, resulting in limited protection effects. This homogenized design further leads to a lack of a response mechanism to changes in impact intensity, making the system unable to provide corresponding protection levels according to the actual impact degree. Due to the failure to consider the actual differences in the impact risks of each part, the allocation of protection resources is unreasonable, with insufficient protection in high-risk areas and excessive protection in low-risk areas. More seriously, the existing fixed protection design lacks dynamic response capabilities and cannot actively adjust or disperse impact energy when an impact occurs. In the face of a strong impact beyond the design range, the existing protection system has no effective emergency mechanism, cannot ensure the safety of internal electrical components, and increases the risk of safety accidents.

[0006] To achieve the above object, the present invention provides the following technical solution: A power metering box with an impact-resistant strengthening structure, including a cabinet body skeleton, a bottom plate is connected to the bottom of the cabinet body skeleton, a back plate is connected to the back of the cabinet body skeleton, a top impact-resistant part is arranged at the top of the cabinet body skeleton, an installation plate assembly is arranged between the top impact-resistant part and the bottom plate, side impact-resistant assemblies are arranged on both the left and right sides of the cabinet body skeleton, and a movable door assembly is rotatably connected to the front of the cabinet body skeleton.

[0007] Preferably, the cabinet body framework includes two loop-shaped frameworks and several vertical beams. The cabinet body framework is a cuboid framework structure. There are feet provided below the bottom loop-shaped framework. First supports are respectively arranged between the front and rear vertical beams, and second supports are respectively arranged between the left and right vertical beams. A third support is arranged between the first support and the top loop-shaped framework. Both the bottom plate and the back plate are wrapped with sponge.

[0008] Preferably, the top anti-collision part includes a support plate assembly, a top airbag placement plate assembly and a top airbag assembly. The support plate assembly is fixedly connected to both the first support and the second support. The top airbag placement plate assembly is located on the top of the support plate assembly, and the top airbag assembly is located on the top of the top airbag placement plate assembly.

[0009] Preferably, the support plate assembly includes a support plate, guide rods and connecting bolt assemblies. The guide rods are located on the top of the support plate. There are flanges around the support plate. A connecting groove is provided at the top of the guide rod, and a connecting round platform is provided at the bottom of the guide rod. The support plate and the guide rod are connected through the connecting round platform. A guide spring is arranged on the guide rod, and a compression spring is connected to the support plate. The other end of the compression spring is connected to the top airbag placement plate assembly. Removable blocking plates are connected to the front and rear flanges of the support plate.

[0010] Preferably, a top airbag placement groove is provided on the top of the top airbag placement plate assembly. A connecting rod is connected to the back of the top airbag placement groove. The connecting rod and the guide rod are connected through the connecting bolt assembly. A connecting boss is provided at one end of the connecting rod. A clamping groove is also provided on the back of the top airbag placement groove. The top airbag placement plate assembly is clamped on the top loop-shaped framework through the clamping groove. The top airbag assembly includes several first airbags and a first sealing plate. The first airbags are placed in the top airbag placement groove, and the first sealing plate is located on the top of the first airbags and abuts against them.

[0011] Preferably, the mounting plate assembly includes a mounting plate and several guide rails. There are flanges around the mounting plate. The guide rails are fixedly connected to the mounting plate through threaded fasteners.

[0012] Preferably, the side anti-collision component includes a side mounting box and a second sealing plate. A partition is arranged in the side mounting box, and the side mounting box is divided into upper, middle and lower three regions by the partition. Several second airbags are installed in the upper region of the side mounting box, several third airbags are installed in the middle region of the side mounting box, and several fourth airbags are installed in the lower region of the side mounting box. When the second sealing plate is locked with the cabinet body framework, the second sealing plate abuts against each airbag in the side anti-collision component.

[0013] Preferably, the movable door assembly includes a movable door frame and a perforated plate. A door reinforcement lining is provided around the inner circle of the movable door frame. A door cross bar and a door vertical bar are also provided inside the movable door frame. The movable door frame is divided into four areas by the door cross bar and the door vertical bar. A number of rectangular air bags are provided in each area. When the perforated plate is fixedly connected, the perforated plate abuts against the rectangular air bags.

[0014] Preferably, the following relationship exists among the initial pressure P1 of the first air bag, the initial pressure P2 of the second air bag, the initial pressure P3 of the third air bag, the initial pressure P4 of the fourth air bag, and the initial pressure P5 of the rectangular air bag: P1 > P5 > P2 > P3 > P4.

[0015] The present invention also provides an anti-impact method for using the electric energy meter box with the above anti-impact reinforcement structure. The anti-impact method includes a top anti-impact method S1, a front anti-impact method S2, and a side anti-impact method S3; Among them, the top anti-impact method S1 includes the following steps: S11, when the top air bag assembly is impacted, the first air bag deforms, its volume decreases, and the pressure P1 rises. Since all the first air bags are in a connected state, the first air bags as a whole absorb energy; S12, if the impact force continues to increase, the compression spring as a whole is compressed, and the top air bag placement plate assembly as a whole descends; S13, if the impact force persists, the gas in the first air bag is discharged through the safety valve connected thereto; S14, when the top impact force is eliminated, if the safety valve in step S13 has not released pressure, it automatically restores. If the safety valve in step S13 has released pressure, the gas in the first air bag needs to be repressurized to restore it to the initial pressure P1; Among them, the front anti-impact method S2 includes the following steps: S21, when the movable door assembly is impacted, a certain area or some areas in the four areas of the movable door assembly are affected by an external force, and the corresponding rectangular air bag deforms, its volume decreases, and the pressure P5 rises; S22, when the pressure of the rectangular air bag in the deformed area exceeds the pressure of the safety valve connected thereto, the gas in the rectangular air bag in the deformed area is discharged through the safety valve; S23, when the front impact force is eliminated, if the safety valve in step S22 has not released pressure, it automatically restores. If the safety valve in step S22 has released pressure, the corresponding rectangular air bag needs to be repressurized; Among them, the side anti-impact method S3 includes the following steps: S31. When the second seal plate is impacted, a certain area or certain areas of the upper, middle, and lower parts of the side mounting box are subjected to external forces, and the corresponding airbag deforms, its volume decreases, and the pressure rises. S32. When the pressure of the airbag in the deformed area in step S31 exceeds the pressure of the safety valve connected thereto, the gas in the airbag in the deformed area is discharged through the safety valve. S33. When the side impact force is eliminated, if the safety valve in step S32 has not released pressure, it will automatically return to its original state; if the safety valve in step S32 has released pressure, the corresponding airbag needs to be recompressed.

[0016] Compared with the prior art, the present invention has the following beneficial effects: (1) The anti-impact structure of the electric energy metering box provided by the present invention, through the cooperation of differential airbag configuration, buffer design and safety valve protection system, not only solves the problem that the traditional electric energy metering box with a homogenized design cannot cope with impacts of different parts and different intensities, but also overcomes the defects of the lack of dynamic response ability and emergency mechanism in the prior art, ensuring the safety and reliability of the electric energy metering box under various impact conditions.

[0017] (2) The present invention not only sets up a multi-level protection structure for high-risk areas, but also is equipped with differential protection devices for different areas, realizing the reasonable allocation of protection resources; specifically, the top, as the most vulnerable area to impact, is configured with a double protection of an airbag and a spring, the side is provided with multiple airbags with different pressures to cope with side impacts, and the front forms a visual protection structure through a combination of a perforated plate and an airbag, providing targeted protection according to the actual differences in the impact risks of each part, not only ensuring the full protection of key areas, but also avoiding resource waste and improving the overall protection efficiency.

[0018] (3) The present invention not only has a multi-stage buffer mechanism, but also has a certain dynamic adjustment ability, and can provide corresponding protection levels according to the impact intensity; specifically, when subjected to a slight impact, the airbag absorbs the impact energy through compression deformation; when the top is subjected to a large impact, the spring and the airbag work together to provide a stronger buffer effect; when the side is subjected to impacts of different intensities, the airbags with different pressures can provide corresponding resistance; and the safety valve configured on each airbag automatically opens to release pressure when the pressure exceeds the preset value, not only realizing the progressive protection against impacts of different degrees, but also improving the adaptability to various impacts through the cooperation of the airbag and the safety valve.

[0019] (4) The present invention is equipped with a complete safety valve protection system and a modular airbag structure, which ensures safety and maintenance convenience in extreme situations. Specifically, when the impact force exceeds the range that the airbag can withstand, the safety valve automatically opens to release excess pressure, preventing the airbag from rupturing and protecting the internal components of the meter box. At the same time, the modular airbag structure allows each protection unit to be replaced independently. When an airbag is damaged, there is no need to replace the entire meter box. This not only provides an effective emergency mechanism in the face of extremely strong impacts, but also reduces maintenance costs, extends the service life of the equipment, and improves the practicality and economy of the electricity meter box in various complex environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the connection between the cabinet frame, bottom plate, and back plate of the present invention; Figure 3 is a schematic structural diagram of the support plate assembly of the present invention; Figure 4 This is a schematic diagram of the connection between the support plate assembly and the cabinet frame of the present invention; Figure 5 This is a schematic diagram of the connection between the support plate and the guide rod of the present invention; Figure 6 It is a structural schematic diagram of the blocking plate of the present invention; Figure 7 It is a schematic structural diagram of the top airbag placement plate assembly of the present invention; Figure 8 This invention Figure 7 Another perspective structural diagram; Figure 9 It is a schematic structural diagram of the top airbag assembly of the present invention; Figure 10 is a schematic structural diagram of the side impact protection assembly of the present invention; Figure 11 It is a structural schematic diagram of the movable door assembly of the present invention; Figure 12 It is a schematic structural diagram of the movable door assembly of the present invention without the rectangular airbag; Figure 13 It is a schematic structural diagram of the rectangular airbag of the present invention.

[0021] In the figure: 100, cabinet body framework; 110, looped framework; 120, first support; 130, second support; 140, third support; 150, feet; 200, bottom plate; 300, support plate assembly; 310, support plate; 320, guide rod; 321, connecting groove; 322, connecting frustum; 330, guide spring; 340, compression spring; 350, connecting bolt assembly; 360, sealing plate; 400, back plate; 500, top airbag placement plate assembly; 510, top airbag placement groove; 520, connecting rod; 521, connecting boss; 530, engaging groove; 600, top airbag assembly; 610, first airbag; 620, first sealing plate; 700, mounting plate assembly; 710, mounting plate; 720, guide rail; 800, side anti-impact assembly; 810, side mounting box; 820, second airbag; 830, third airbag; 840, fourth airbag; 850, second sealing plate; 900, movable door assembly; 910, movable door frame; 920, door reinforcement lining; 930, door crossbar; 940, door vertical bar; 950, rectangular airbag; 960, perforated plate. Detailed implementation mode

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0023] It should be noted that the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", etc. indicating orientation or position relationship are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the present invention.

[0024] It should be understandable that in the description of the invention, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense.

[0025] Embodiment 1: Refer to the attached Figures 1 to 13 A power metering box with an anti-impact strengthening structure provided in this embodiment includes a cabinet body framework 100, a bottom plate 200, a top anti-impact part, a back plate 400, a mounting plate assembly 700, a side anti-impact assembly 800, and a movable door assembly 900, wherein the top anti-impact part includes a support plate assembly 300, a top airbag placement plate assembly 500, and a top airbag assembly 600.

[0026] A bottom plate 200 is connected to the bottom of the cabinet body frame 100, a back plate 400 is connected to the back of the cabinet body frame 100, a top anti-collision part is provided at the top of the cabinet body frame 100, a mounting plate assembly 700 is provided between the top anti-collision part and the bottom plate 200, side anti-collision assemblies 800 are provided on both the left and right sides of the cabinet body frame 100, and a movable door assembly 900 is rotatably connected to the front of the cabinet body frame 100.

[0027] The cabinet body frame 100 includes two loop-shaped frames 110 and several vertical beams. The cabinet body frame 100 is a rectangular parallelepiped frame structure. Support feet 150 are provided below the bottom loop-shaped frame 110. First supports 120 are respectively provided between the front and rear vertical beams, second supports 130 are respectively provided between the left and right vertical beams, and a third support 140 is provided between the first support 120 and the top loop-shaped frame 110. The bottom plate 200 is snap-fitted into the bottom loop-shaped frame 110, and the back plate 400 is snap-fitted into the area formed by the bottom loop-shaped frame 110, the rear vertical beam, and the rear second support 130. Sponges are wrapped inside both the bottom plate 200 and the back plate 400.

[0028] It is not difficult to understand that the connections between the bottom plate 200, the back plate 400, and the cabinet body frame 100 are all existing mature technologies. Only some basic protection is provided for the bottom plate 200 and the back plate 400 through the sponge. The height of the support feet 150 is generally low. In order to maintain the stability of the electric energy metering box, rubber shock pads (not shown in the figure) are usually installed at the bottom of the support feet 150.

[0029] The top anti-collision part includes a support plate assembly 300, a top airbag placement plate assembly 500, and a top airbag assembly 600. The support plate assembly 300 is fixedly connected to both the first support 120 and the second support 130. The top airbag placement plate assembly 500 is located on the top of the support plate assembly 300, and the top airbag assembly 600 is located on the top of the top airbag placement plate assembly 500.

[0030] The support plate assembly 300 includes a support plate 310, guide rods 320, and connecting bolt assemblies 350. The guide rods 320 are located on the top of the support plate 310. The support plate 310 has flanges around it, and the height of the left and right flanges is greater than the height of the front and rear flanges. A connecting groove 321 is provided at the top of the guide rod 320, and a connecting round platform 322 is provided at the bottom of the guide rod 320. The support plate 310 and the guide rod 320 are connected through the connecting round platform 322. A guide spring 330 is provided on the guide rod 320, and a compression spring 340 is connected to the support plate 310. The other end of the compression spring 340 is connected to the top airbag placement plate assembly 500. Removable plugging plates 360 are connected to the front and rear flanges of the support plate 310.

[0031] The top of the top airbag placement plate assembly 500 is provided with a top airbag placement groove 510. A connecting rod 520 is connected to the back of the top airbag placement groove 510. The connecting rod 520 and the guide rod 320 are connected by a connecting bolt assembly 350. One end of the connecting rod 520 is provided with a connecting boss 521. A clamping groove 530 is also provided on the back of the top airbag placement groove 510. The top airbag placement plate assembly 500 is clamped on the top return frame 110 through the clamping groove 530 and can move up and down along the top return frame 110. The top airbag assembly 600 includes a plurality of first airbags 610 and a first sealing plate 620. The first airbags 610 are in a communicating state. The first airbags 610 are placed in the top airbag placement groove 510. The first sealing plate 620 is located at the top of the first airbags 610 and abuts against them.

[0032] The mounting plate assembly 700 includes a mounting plate 710 and a plurality of guide rails 720. The mounting plate 710 has flanges around its perimeter. The guide rails 720 are fixedly connected to the mounting plate 710 by threaded fasteners.

[0033] It should be noted that through the guide rails 720, relevant electrical components such as electricity meters and current transformers can be quickly installed, and the perimeter of the mounting plate 710 does not contact the side anti-impact assembly 800, the back plate 400, and the movable door assembly 900, so as to ensure that the electrical components are not damaged under extreme conditions.

[0034] The side anti-impact assembly 800 includes a side mounting box 810 and a second sealing plate 850. A partition is provided inside the side mounting box 810. The side mounting box 810 is divided into upper, middle, and lower regions by the partition. A plurality of second airbags 820 are installed in the upper region of the side mounting box 810. A plurality of third airbags 830 are installed in the middle region of the side mounting box 810. A plurality of fourth airbags 840 are installed in the lower region of the side mounting box 810. The second airbags 820 are in a communicating state. The third airbags 830 are in a communicating state. The fourth airbags 840 are in a communicating state. When the second sealing plate 850 is locked with the cabinet frame 100, the second sealing plate 850 abuts against each airbag in the side anti-impact assembly 800.

[0035] The movable door assembly 900 includes a movable door frame 910 and a perforated plate 960. Door strengthening linings 920 are provided around the inner circumference of the movable door frame 910. Door cross bars 930 and door vertical bars 940 are also provided inside the movable door frame 910. The movable door frame 910 is divided into four regions by the door cross bars 930 and the door vertical bars 940. A plurality of rectangular airbags 950 are provided in each region. The rectangular airbags 950 are in a communicating state. When the perforated plate 960 is fixedly connected, the perforated plate 960 abuts against the rectangular airbags 950.

[0036] It is not difficult to understand that the trapdoor assembly 900 is usually connected to the cabinet body framework 100 through a hinge, and its rotation range on the cabinet body framework 100 is restricted by a limit frame (not shown in the figure). A corresponding door lock (not shown in the figure) and a handle (not shown in the figure) are installed on the trapdoor assembly 900. Since these are all mature existing technologies, they will not be elaborated here, and the damage condition of the rectangular airbag 950 can be conveniently observed based on the perforated plate 960.

[0037] There is the following relationship among the initial pressures P1 of the first airbag 610, P2 of the second airbag 820, P3 of the third airbag 830, P4 of the fourth airbag 840, and P5 of the rectangular airbag 950: P1 > P5 > P2 > P3 > P4.

[0038] It should be noted that referring to the appendix Figure 9 , the 5 first airbags 610 in this schematic diagram are connected. The 5 first airbags 610 are set as a whole with 1 total air inlet (not shown in the figure) and 1 total exhaust port (not shown in the figure), and a total safety valve (not shown in the figure) is set; please refer to the appendix Figure 10 , the number of the second airbags 820, the third airbags 830, and the fourth airbags 840 is 4 each. The 4 second airbags 820 are connected. The 4 second airbags 820 are set as a whole with 1 total air inlet (not shown in the figure) and 1 total exhaust port (not shown in the figure), and a total safety valve (not shown in the figure) is set; the 4 third airbags 830 are connected. The 4 third airbags 830 are set as a whole with 1 total air inlet (not shown in the figure) and 1 total exhaust port (not shown in the figure), and a total safety valve (not shown in the figure) is set; the 4 fourth airbags 840 are connected. The 4 fourth airbags 840 are set as a whole with 1 total air inlet (not shown in the figure) and 1 total exhaust port (not shown in the figure), and a total safety valve (not shown in the figure) is set; referring to the appendix Figure 13 , the movable door frame 910 is divided into four areas, and 4 rectangular airbags 950 are placed in each area. The 4 rectangular airbags 950 in each area are connected. The 4 rectangular airbags 950 in each area are set as a whole with 1 total air inlet (not shown in the figure) and 1 total exhaust port (not shown in the figure), and a total safety valve (not shown in the figure) is set; regarding how to set the air inlet and exhaust port of the airbag and how to connect it to the safety valve, they are all mature existing technologies and will not be elaborated here.

[0039] It is not difficult to understand that since the probability of the front area being impacted is basically equal, the initial set pressure of the rectangular airbag 950 in the movable door frame 910 is equal. For the cabinet body skeleton 110, the degree of impact on the side is different. Generally, the closer to the bottom, the smaller the probability of being impacted. Usually, P2 > P3 > P4 is set. Of course, the pressure of each airbag can be adjusted in real time according to the probability of the side being impacted at the site.

[0040] The present invention also provides an anti-impact method for the electric energy metering box with the anti-impact strengthening structure. The anti-impact method includes a top anti-impact method S1, a front anti-impact method S2, and a side anti-impact method S3. Among them, the top anti-impact method S1 includes the following steps: S11, when the top airbag assembly 600 is impacted, the first airbag 610 deforms, the volume decreases, and the pressure P1 rises. Since all the first airbags 610 are in a connected state, the first airbags 610 as a whole absorb energy. S12, if the impact force continues to increase, the compression spring 340 as a whole is compressed, and the top airbag placement plate assembly 500 as a whole descends. S13, if the impact force persists, the gas in the first airbag 610 is discharged through the safety valve connected thereto. S14, when the top impact force is eliminated, if the safety valve in step S13 has not released pressure, it will automatically return to its original state. If the safety valve in step S13 has released pressure, the gas in the first airbag 610 needs to be recompressed to restore it to the initial pressure P1. Among them, the front anti-impact method S2 includes the following steps: S21, when the movable door assembly 900 is impacted, a certain area or some areas in the four areas of the movable door assembly 900 are affected by an external force, and the corresponding rectangular airbag 950 deforms, the volume decreases, and the pressure P5 rises. S22, when the pressure of the rectangular airbag 950 in the deformed area exceeds the pressure of the safety valve connected thereto, the gas in the rectangular airbag 950 in the deformed area is discharged through the safety valve. S23, when the front impact force is eliminated, if the safety valve in step S22 has not released pressure, it will automatically return to its original state. If the safety valve in step S22 has released pressure, the corresponding rectangular airbag 950 needs to be recompressed. Among them, the side anti-impact method S3 includes the following steps: S31, when the second seal plate 850 is impacted, a certain area or some areas in the upper, middle, and lower parts of the side mounting box 810 are affected by an external force, and the corresponding airbag deforms, the volume decreases, and the pressure rises. S32. When the pressure of the airbag in the deformation area in step S31 exceeds the pressure of the safety valve connected thereto, the gas in the airbag in the deformation area is discharged through the safety valve; S33. When the side impact force is eliminated, if the safety valve in step S32 has not released pressure, it will automatically return to its original state. If the safety valve in step S32 has released pressure, the corresponding airbag needs to be repressurized.

[0041] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electric energy metering box with an anti-collision strengthening structure, characterized in that, It includes a cabinet body skeleton (100), a bottom plate (200) is connected to the bottom of the cabinet body skeleton (100), a back plate (400) is connected to the back of the cabinet body skeleton (100), a top anti-collision part is arranged at the top of the cabinet body skeleton (100), a mounting plate assembly (700) is arranged between the top anti-collision part and the bottom plate (200), side anti-collision assemblies (800) are arranged on both the left and right sides of the cabinet body skeleton (100), and a movable door assembly (900) is rotatably connected to the front of the cabinet body skeleton (100).

2. The electric energy metering box with an anti-impact strengthening structure according to claim 1, wherein, The cabinet body skeleton (100) includes two loop-shaped frames (110) and a number of vertical beams. The cabinet body skeleton (100) is a cuboid frame structure. Support feet (150) are arranged below the bottom loop-shaped frame (110). First supports (120) are respectively arranged between the front and rear vertical beams, second supports (130) are respectively arranged between the left and right vertical beams, a third support (140) is arranged between the first support (120) and the top loop-shaped frame (110), and sponges are wrapped inside both the bottom plate (200) and the back plate (400).

3. The electric energy metering box with an anti-collision strengthening structure according to claim 2, characterized in that, The top anti-collision part includes a support plate assembly (300), a top airbag placement plate assembly (500) and a top airbag assembly (600). The support plate assembly (300) is fixedly connected to both the first support (120) and the second support (130). The top airbag placement plate assembly (500) is located on the top of the support plate assembly (300), and the top airbag assembly (600) is located on the top of the top airbag placement plate assembly (500).

4. The electric energy metering box with an anti-impact strengthening structure according to claim 3, characterized in that, The support plate assembly (300) includes a support plate (310), guide rods (320) and connecting bolt assemblies (350). The guide rods (320) are located on the top of the support plate (310). The support plate (310) has flanges around its perimeter. A connecting groove (321) is arranged at the top of the guide rod (320), and a connecting frustum (322) is arranged at the bottom of the guide rod (320). The support plate (310) and the guide rod (320) are connected through the connecting frustum (322). A guide spring (330) is arranged on the guide rod (320), a compression spring (340) is connected to the support plate (310), and the other end of the compression spring (340) is connected to the top airbag placement plate assembly (500). Removable sealing plates (360) are connected to the front and rear flanges of the support plate (310).

5. The electric energy metering box with an anti-collision strengthening structure according to claim 4, characterized in that, The top of the top airbag placement plate assembly (500) is provided with a top airbag placement groove (510). The back of the top airbag placement groove (510) is connected with a connecting rod (520). The connecting rod (520) and the guide rod (320) are connected by the connecting bolt assembly (350). One end of the connecting rod (520) is provided with a connecting boss (521). The back of the top airbag placement groove (510) is also provided with a clamping groove (530). The top airbag placement plate assembly (500) is clamped on the top rectangular frame (110) through the clamping groove (530). The top airbag assembly (600) includes a plurality of first airbags (610) and a first sealing plate (620). The first airbags (610) are placed in the top airbag placement groove (510). The first sealing plate (620) is located at the top of the first airbags (610) and abuts against them.

6. The electric energy metering box with an anti-collision strengthening structure according to claim 1, characterized in that, The mounting plate assembly (700) includes a mounting plate (710) and a plurality of guide rails (720). The mounting plate (710) has flanges around its perimeter. The guide rails (720) are fixedly connected to the mounting plate (710) by threaded fasteners.

7. The electric energy metering box with an anti-impact strengthening structure according to claim 5, characterized in that, The side anti-impact assembly (800) includes a side mounting box (810) and a second sealing plate (850). A partition is provided inside the side mounting box (810). The side mounting box (810) is divided into upper, middle and lower regions by the partition. A plurality of second airbags (820) are installed in the upper region of the side mounting box (810). A plurality of third airbags (830) are installed in the middle region of the side mounting box (810). A plurality of fourth airbags (840) are installed in the lower region of the side mounting box (810). When the second sealing plate (850) is locked with the cabinet skeleton (100), the second sealing plate (850) abuts against each airbag in the side anti-impact assembly (800).

8. The electric energy metering box with an anti-collision strengthening structure according to claim 7, characterized in that, The movable door assembly (900) includes a movable door frame (910) and a perforated plate (960). Door strengthening linings (920) are provided around the inner circumference of the movable door frame (910). A door cross bar (930) and a door vertical bar (940) are also provided inside the movable door frame (910). The movable door frame (910) is divided into four regions by the door cross bar (930) and the door vertical bar (940). A plurality of rectangular airbags (950) are provided in each region. When the perforated plate (960) is fixedly connected, the perforated plate (960) abuts against the rectangular airbags (950).

9. The electric energy metering box with an anti-collision strengthening structure according to claim 8, characterized in that, The initial pressures P1 of the first airbags (610), P2 of the second airbags (820), P3 of the third airbags (830), P4 of the fourth airbags (840) and P5 of the rectangular airbags (950) have the following relationship: P1 > P5 > P2 > P3 > P4.

10. The anti-impact method of the electric energy metering box with an anti-impact strengthening structure according to any one of claims 1-9, characterized in that, This anti-impact method includes a top anti-impact method S1, a front anti-impact method S2 and a side anti-impact method S3; Among them, the top anti-impact method S1 includes the following steps: S11. When the top airbag assembly (600) is impacted, the first airbag (610) deforms, its volume decreases, and the pressure P1 rises. Since all the first airbags (610) are in a connected state, the first airbags (610) as a whole absorb energy. S12. If the impact force continues to increase, the compression spring (340) as a whole is compressed, and the top airbag placement plate assembly (500) as a whole descends. S13. If the impact force persists, the gas in the first airbag (610) is discharged through the safety valve connected thereto. S14. When the top impact force is eliminated, if the safety valve in step S13 has not released pressure, it will automatically return to its original state. If the safety valve in step S13 has released pressure, the gas in the first airbag (610) needs to be repressurized to restore it to the initial pressure P1. Among them, the front anti-impact method S2 includes the following steps: S21. When the movable door assembly (900) is impacted, a certain area or some areas in the four areas of the movable door assembly (900) are subjected to an external force, and the corresponding rectangular airbag (950) deforms, its volume decreases, and the pressure P5 rises. S22. When the pressure of the rectangular airbag (950) in the deformed area exceeds the pressure of the safety valve connected thereto, the gas in the rectangular airbag (950) in the deformed area is discharged through the safety valve. S23. When the front impact force is eliminated, if the safety valve in step S22 has not released pressure, it will automatically return to its original state. If the safety valve in step S22 has released pressure, the corresponding rectangular airbag (950) needs to be repressurized. Among them, the side anti-impact method S3 includes the following steps: S31. When the second sealing plate (850) is impacted, a certain area or some areas in the upper, middle, and lower parts of the side mounting box (810) are subjected to an external force, and the corresponding airbag deforms, its volume decreases, and the pressure rises. S32. When the pressure of the airbag in the deformed area in step S31 exceeds the pressure of the safety valve connected thereto, the gas in the airbag in the deformed area is discharged through the safety valve. S33. When the side impact force is eliminated, if the safety valve in step S32 has not released pressure, it will automatically return to its original state. If the safety valve in step S32 has released pressure, the corresponding airbag needs to be repressurized.

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