Electric energy metering cabinet

By using a combination of shielding curtains and heat dissipation units in the electric energy metering cabinet, the problems of external interference and heat dissipation of the metering cabinet in a high-voltage environment are solved, and the stable operation of the equipment is achieved.

CN119182057AInactive Publication Date: 2024-12-24GUANGDONG POWER GRID CO LTD +1
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Patent Information

Application Number
CN202411473081.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-22
Publication Date
2024-12-24
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing high-voltage metering cabinets are easily disturbed by external signals due to the lack of a comprehensive shielding and sealing structure when used, and the internal heat cannot be effectively dissipated, affecting the operation of the equipment.

Method used

An electric energy metering cabinet is designed, adopting a shielding assembly and a heat dissipation assembly. The shielding assembly includes a shielding curtain, a first shielding layer and a winding drive member. The heat dissipation assembly includes a heat dissipation unit and a heat dissipation fan, which covers the passage through the curtain and utilizes the The heat dissipation unit takes away heat to avoid external interference and high temperatures.

Benefits of technology

Effectively block external signal interference, discharge heat in time, and ensure the normal operation of the metering components.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of power supply equipment, and discloses an electric energy metering cabinet which comprises a cabinet body, a first cavity is formed in the cabinet body, first passing openings are formed in the left end face and the right end face of the cabinet body, and the first cavity is communicated with the first passing openings; the metering assembly is accommodated in the first cavity; the shielding assembly comprises a shielding curtain, a first shielding layer and a furling driving part, the first shielding layer is arranged in the first cavity and covers the upper end face and the lower end face of the first cavity, the furling driving part is installed on the cabinet body, one end of the shielding curtain is connected with the power output end of the furling driving part so as to achieve unfolding and furling of the shielding curtain, and the other end of the shielding curtain is connected with the power output end of the furling driving part. The shielding curtain is used for covering the first passing opening; the heat dissipation assembly comprises a heat dissipation unit, and the heat dissipation unit is arranged in the first cavity and located between the metering assembly and the first passing opening. The electric energy metering cabinet provided by the invention can shield internal equipment so as to prevent the internal equipment from being interfered by external signals, and heat in the cabinet body can be discharged in time.
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Description

Technical Field

[0001] The invention relates to the technical field of power supply equipment, in particular to an electric energy metering cabinet. Background Art

[0002] Metering cabinet, the cabinet that installs special meter (device) is called metering cabinet. In my country, metering cabinet generally refers to electric energy metering cabinet, electric energy metering cabinet: special cabinet type electricity metering device (electric energy metering device). Electricity metering device: the general name of the combination of all electrical equipment, electrical parts and mechanical structures for measuring electric energy.

[0003] When the current high-voltage metering cabinet is in use, due to the single cabinet structure, the equipment is installed inside the cabinet and is operated. The equipment is intelligently connected through the network. The cabinet does not have a comprehensive shielding and sealing structure, so the equipment is interfered by external signals during operation, causing the operation to be affected. At the same time, the completely sealed cabinet structure prevents the internal heat from dissipating, affecting the operation of the equipment. Summary of the invention

[0004] The purpose of the present invention is to provide an electric energy metering cabinet, which can shield internal equipment to avoid interference from external signals and can discharge the heat inside the cabinet in time.

[0005] In order to achieve the above object, the present invention provides an electric energy metering cabinet, comprising:

[0006] A cabinet, wherein the cabinet has a first cavity inside, and the cabinet has first openings on both left and right end surfaces, and the first cavity is connected to the first opening;

[0007] a metering component, the metering component being accommodated in the first cavity;

[0008] A shielding assembly, the shielding assembly comprising a shielding curtain, a first shielding layer and a retracting drive, the first shielding layer being disposed in the first cavity and covering the upper end surface, the lower end surface and the rear end surface of the first cavity, the retracting drive being mounted on the cabinet, one end of the shielding curtain being connected to the power output end of the retracting drive to realize the unfolding and retracting of the shielding curtain, and the shielding curtain being used to cover the first opening;

[0009] The heat dissipation component includes a heat dissipation unit, and the heat dissipation unit is arranged in the first cavity and located between the metering component and the first port.

[0010] Furthermore, the shielding assembly also includes a winding drum and a connecting rod, and the cabinet also has a second cavity, the second cavity is located above the first passage, the lower end of the second cavity has an opening, the first passage is connected to the opening, the winding drum can be rotatably accommodated in the second cavity, the winding drum extends in the front-to-back direction, the winding drive member is arranged on the rear end surface of the cabinet, the power output end of the winding drive member penetrates into the second cavity from back to front, and is fixedly connected to the winding drum for driving the winding drum to rotate, one end of the shielding curtain is fixedly arranged on the winding drum, and the other end of the shielding curtain is connected to the connecting rod, the connecting rod extends in the front-to-back direction, and the outer diameter of the connecting rod is larger than the width of the opening.

[0011] Furthermore, the shielding assembly also includes a slider and a tension spring. The front and rear end surfaces of the first opening are provided with slide grooves extending in the up and down directions. The slider is slidably accommodated in the slide groove. The two ends of the connecting rod are respectively connected to the slider located in the front slide groove and the slider located in the rear slide groove. The tension spring is accommodated in the slide groove. The two ends of the tension spring are respectively connected to the lower end surface of the slider and the lower end surface of the slide groove.

[0012] Furthermore, the electric energy metering cabinet also includes a pad block, which is arranged on the rear end surface of the cabinet body, and the interior of the pad block has a cavity, the winding drive component is accommodated in the cavity, and the power output end of the winding drive component passes through the pad block and is inserted into the second cavity.

[0013] Furthermore, the heat dissipation component includes two heat dissipation units, the heat dissipation unit is detachably arranged between the metering component and the first port, the heat dissipation unit includes a heat dissipation frame and a plurality of heat dissipation fans, and the plurality of heat dissipation fans are installed on the heat dissipation frame at intervals.

[0014] Furthermore, the metering component includes multiple metering bodies and a control component. A mounting rod is provided on the rear end surface of the first cavity, and the mounting rod has multiple mounting positions. Multiple metering bodies can be detachably installed on the mounting positions. The control component is arranged below the mounting rod. The upper end of the control component has a wiring portion, and the wiring portion is located directly below the mounting rod. The rear end of the metering body has a wiring terminal, and the wiring portion is connected to the wiring terminal through a wire.

[0015] Furthermore, the electric energy meter cabinet also includes a door body, the front end of the cabinet body is provided with a second opening, the second opening is connected to the first cavity, the door body is hinged on the side wall of the second opening, the door body is used to cover the second opening, the metering body is provided with a display panel and an indicator light, the control component is provided with a control panel, the door body is provided with a first visible portion and a second visible portion corresponding to the display panel and the indicator light respectively, the door body is provided with an opening corresponding to the control panel, the shielding component also includes a second shielding layer, the second shielding layer is arranged on the end face of the door body close to the first cavity, and the outer periphery of the control panel is abutted against the opening through the second shielding layer.

[0016] Furthermore, a wire groove is provided on the rear end surface of the first cavity, the wire groove passes through the inner wall of the cabinet, and an isolation plate is provided on the wire groove to prevent dust from entering the first cavity through the wire groove.

[0017] Furthermore, the heat dissipation assembly further includes a heat dissipation grille, which is disposed on the first opening and located between the shielding curtain and the heat dissipation unit.

[0018] Compared with the prior art, an electric energy metering cabinet according to an embodiment of the present invention has the following beneficial effects: a first shielding layer is arranged in the first cavity and covers the upper end surface, the lower end surface and the rear end surface of the first cavity; one end of the shielding curtain is connected to the power output end of the retracting drive component to realize the unfolding and retracting of the shielding curtain, and the shielding curtain is used to cover the first passage; a heat dissipation unit is arranged between the metering component and the first passage; when the electric energy metering cabinet is in normal use, the first shielding layer located on the upper end surface, the lower end surface and the rear end surface of the first cavity and the shielding curtain cover the metering component in multiple directions, which can prevent the metering component from being interfered by external signals during operation; and the retracting of the shielding curtain by the retracting drive component can open the first passage, and then the heat dissipation unit is activated to promptly take away the heat generated by the metering component, avoid high temperature in the internal environment of the cabinet, and ensure the normal operation of the metering component. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of an electric energy metering cabinet according to an embodiment of the present invention;

[0020] Figure 2 is a cross-sectional view of an electric energy metering cabinet according to an embodiment of the present invention;

[0021] Figure 3 is a cross-sectional view of the electric energy metering cabinet in another direction according to an embodiment of the present invention;

[0022] Figure 4 is a cross-sectional view of a first port of an electric energy metering cabinet according to an embodiment of the present invention;

[0023] Figure 5 is a cross-sectional view of a heat dissipation unit of an electric energy metering cabinet according to an embodiment of the present invention;

[0024] Figure 6 is a cross-sectional view of a door body of an electric energy metering cabinet according to an embodiment of the present invention;

[0025] In the figure, 1, cabinet; 101, first cavity; 102, first opening; 103, second cavity; 104, opening; 105, slide; 106, mounting rod; 107, second opening; 108, wire trough; 109, isolation plate;

[0026] 2. Metering assembly; 201. Metering body; 2011. Wiring terminal; 2012. Display panel; 2013. Indicator light; 202. Control assembly; 2021. Wiring part; 2022. Control panel;

[0027] 3. Shielding assembly; 301. Shielding curtain; 302. First shielding layer; 303. Winding drive member; 304. Winding drum; 305. Connecting rod; 306. Sliding block; 307. Tension spring; 308. Second shielding layer;

[0028] 4. heat dissipation assembly; 401. heat dissipation unit; 4011. heat dissipation rack; 4012. heat dissipation fan; 4013. heat dissipation grille;

[0029] 5. Pad; 501. Cavity;

[0030] 6. Door body; 601. First visible portion; 602. Second visible portion; 603. Opening. DETAILED DESCRIPTION

[0031] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0032] In the description of the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer", "lateral", "longitudinal" and the like used to indicate the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only used to facilitate the description of the present invention and simplify the description, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. For those of ordinary skill in the art, the specific meanings of these terms in the present invention can be understood according to specific circumstances.

[0033] In the description of the present invention, the terms "provided with", "set", "connected", and "placed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] In addition, the terms "first", "second", etc. are mainly used to distinguish different devices, elements or components (the specific types and structures may be the same or different), and are not used to indicate or imply the relative importance and quantity of the indicated devices, elements or components. Unless otherwise specified, "plurality" means two or more.

[0035] The technical solution of the present invention is further described below in conjunction with embodiments and drawings.

[0036] like Figure 1 , 2 As shown, an electric energy metering cabinet according to an embodiment of the present invention includes:

[0037] The cabinet 1 has a first cavity 101 inside, and first openings 102 are opened on both left and right end surfaces of the cabinet 1, and the first cavity 101 is connected to the first opening 102;

[0038] The metering component 2 is accommodated in the first cavity 101;

[0039] The shielding assembly 3 includes a shielding curtain 301, a first shielding layer 302 and a reeling drive 303. The first shielding layer 302 is disposed in the first cavity 101 and covers the upper end surface, the lower end surface and the rear end surface of the first cavity 101. The reeling drive 303 is installed on the cabinet 1. One end of the shielding curtain 301 is connected to the power output end of the reeling drive 303 to realize the unfolding and reeling of the shielding curtain 301. The shielding curtain 301 is used to cover the first opening 102.

[0040] The heat dissipation component 4 includes a heat dissipation unit 401 . The heat dissipation unit 401 is disposed in the first cavity 101 and located between the metering component 2 and the first port 102 .

[0041] Based on the above technical solution, the first shielding layer 302 is arranged in the first cavity 101 and covers the upper end surface, the lower end surface and the rear end surface of the first cavity 101. One end of the shielding curtain 301 is connected to the power output end of the retracting drive 303 to realize the unfolding and retracting of the shielding curtain 301. The shielding curtain 301 is used to cover the first port 102; the heat dissipation unit 401 is arranged between the metering component 2 and the first port 102. When the electric energy metering cabinet is in normal use, the first shielding layer 302 located on the upper end surface, the lower end surface and the rear end surface of the first cavity 101 and the shielding curtain 301 cover the metering component 2 in multiple directions, which can prevent the metering component 2 from being interfered by external signals during operation, and the retracting of the shielding curtain 301 by the retracting drive 303 can make the first port 102 open, and then the heat dissipation unit 401 is activated to take away the heat generated by the metering component 2 in time, avoid the high temperature of the internal environment of the cabinet 1, and ensure the normal operation of the metering component 2.

[0042] Specifically, the reel-up driving member 303 is selected as a motor.

[0043] Preferably, if Figure 4 As shown, the shielding assembly 3 also includes a reel 304 and a connecting rod 305. The cabinet 1 also has a second cavity 103. The second cavity 103 is located above the first passage 102. The lower end of the second cavity 103 has an opening 104. The first passage 102 is connected to the opening 104. The reel 304 can be rotatably accommodated in the second cavity 103. The reel 304 extends in the front-to-back direction. The reel driving member 303 is arranged on the rear end surface of the cabinet 1. The power output end of the reel driving member 303 penetrates into the second cavity 103 from the back to the front and is fixedly connected to the reel 304 to drive the reel 304 to rotate. One end of the shielding curtain 301 is fixedly arranged on the reel 304, and the other end of the shielding curtain 301 is connected to the connecting rod 305. The connecting rod 305 extends in the front-to-back direction. The outer diameter of the connecting rod 305 is larger than the width of the opening 104. One end of the shielding curtain 301 is connected to the connecting rod 305. The connecting rod 305 has a certain gravity. Under the influence of the gravity of the connecting rod 305, the shielding curtain 301 can be stably lowered when it is unfolded without bending.

[0044] More preferably, if Figure 4As shown, the shielding assembly 3 also includes a slider 306 and a tension spring 307. The front and rear end surfaces of the first opening 102 are provided with a slide groove 105 extending in the up and down direction. The slider 306 is slidably accommodated in the slide groove 105. The two ends of the connecting rod 305 are respectively connected to the slider 306 located in the front slide groove 105 and the slider 306 located in the rear slide groove 105. The tension spring 307 is accommodated in the slide groove 105, and the two ends of the tension spring 307 are respectively connected to the lower end surface of the slider 306 and the lower end surface of the slide groove 105. The slider 306 is arranged at both ends of the connecting rod 305, and the slider 306 is slidably accommodated in the slide groove 105. The two ends of the tension spring 307 are respectively connected to the lower end surface of the slider 306 and the lower end surface of the slide groove 105. The tension spring 307 is always in a tensioned state. The tension spring 307 applies a pulling force to the slider 306, so that the connecting rod 305 is subjected to a downward pulling force, so that the shielding curtain 301 is always in a flat state under tension, and can completely cover the first opening 102, thereby ensuring its shielding effect.

[0045] In a specific embodiment, the front and rear ends of the shielding curtain 301 extend into the slide groove 105 located on the front side and the slide groove 105 located on the rear side respectively, the opening 104 is connected to the slide groove 105, and the coverage range of the shielding curtain 301 in the front and rear directions is larger than the inner diameter of the first passage 102, which can prevent external signals from entering the first cavity 101 through the gap that may exist between the first passage 102 and the shielding curtain 301, affecting the normal operation of the metering component 2, and achieving a better shielding effect.

[0046] More preferably, if Figure 4 As shown, the electric energy meter cabinet further includes a cushion block 5, which is arranged on the rear end surface of the cabinet body 1. The cushion block 5 has a cavity 501 inside, and the reeling drive member 303 is accommodated in the cavity 501. The power output end of the reeling drive member 303 passes through the cushion block 5 and is inserted into the second cavity 103. The cushion block 5 can prevent the reeling drive member 303 from being exposed, prevent dust from falling on the reeling drive member 303 to affect its normal operation, and extend its service life. In addition, when the cabinet body 1 is placed, the cushion block 5 can leave enough space at the rear of the cabinet body 1 for connecting the power line.

[0047] Preferably, if Figure 5 As shown, the heat dissipation component 4 includes two heat dissipation units 401 , which are detachably disposed between the metering component 2 and the first port 102 , and the heat dissipation unit 401 includes a heat dissipation frame 4011 and a plurality of heat dissipation fans 4012 , which are installed on the heat dissipation frame 4011 at intervals.

[0048] Specifically, the cooling fans 4012 of the two cooling units 401 have the same air outlet direction, so that the ambient heat in the cabinet 1 can be quickly discharged in the same direction, and multiple fans are installed on the cooling frame 4011 at intervals, ensuring the cooling area and cooling efficiency, and achieving good cooling effect.

[0049] Preferably, if Figure 3 As shown, the metering component 2 includes multiple metering bodies 201 and a control component 202. A mounting rod 106 is provided on the rear end surface of the first cavity 101. The mounting rod 106 has multiple mounting positions. Multiple metering bodies 201 can be detachably installed on the mounting positions. The control component 202 is arranged below the mounting rod 106. The upper end of the control component 202 has a wiring portion 2021, and the wiring portion 2021 is located directly below the mounting rod 106. The rear end of the metering body 201 has a wiring terminal 2011, and the wiring portion 2021 is connected to the wiring terminal 2011 through a wire.

[0050] In a specific embodiment, the electric energy meter cabinet further includes a temperature sensor, which is installed in the first cavity 101 , and the control component 202 is electrically connected to the temperature sensor, the cooling fan 4012 , the winding drive 303 , and the metering body 201 .

[0051] The control component 202 is configured as follows: when the temperature sensor detects that the temperature of the first cavity 101 reaches a preset temperature threshold, the reeling drive 303 reels the shielding curtain 301 until the connecting rod 305 abuts the lower end of the opening 104. At this time, the cooling fan 4012 rotates to quickly remove the heat in the first cavity 101, thereby cooling the metering body 201 and the control component 202 to prevent high temperature from affecting their normal operation.

[0052] Preferably, if Figure 2 , 6As shown, the electric energy metering cabinet also includes a door body 6, a second opening 107 is opened at the front end of the cabinet body 1, the second opening 107 is connected to the first cavity 101, the door body 6 is hinged on the side wall of the second opening 107, the door body 6 is used to cover the second opening 107, the metering body 201 is provided with a display panel 2012 and an indicator light 2013, the control component 202 is provided with a control panel 2022, the door body 6 is provided with a first visible portion 601 and a second visible portion 602 corresponding to the display panel 2012 and the indicator light 2013, respectively, the door body 6 is provided with an opening 603 corresponding to the control panel 2022, the shielding component 3 also includes a second shielding layer 308, the second shielding layer 308 is arranged on the end face of the door body 6 close to the first cavity 101, and the outer periphery of the control panel 2022 is abutted against the opening 603 through the second shielding layer 308. The second shielding layer 308 is arranged on the end face of the door body 6 close to the first cavity 101. When the door body 6 is closed, the outer edge of the control panel 2022 abuts against the opening 603 through the second shielding layer 308, and the user can directly operate the control panel 2022 through the opening 603. The second shielding layer 308 abuts against the outer edge of the control panel 2022 to block the gap between the outer edge of the control panel 2022 and the opening 603 to prevent dust in the air from entering the first cavity 101 from there. In addition, the second shielding layer 308 can shield external signal interference on the front side.

[0053] Specifically, the first visible portion 601 and the second visible portion 602 are both transparent parts, and the user can observe the display panel 2012 and the indicator light 2013 on the metering theme through the first visible portion 601 and the second visible portion 602 .

[0054] More preferably, if Figure 2 , 3 As shown, a wire groove 108 is provided on the rear end surface of the first cavity 101, and the wire groove 108 passes through the inner wall of the cabinet 1. An isolation plate 109 is provided on the wire groove 108, and the isolation plate 109 is used to block the wire groove 108 to prevent dust from entering the first cavity 101 through the wire groove 108.

[0055] Preferably, if Figure 2 As shown, the heat dissipation assembly 4 further includes a heat dissipation grille 4013 . The heat dissipation grille 4013 is disposed on the first opening 102 and is located between the shielding curtain 301 and the heat dissipation unit 401 .

[0056] In summary, the embodiment of the present invention provides an electric energy metering cabinet, wherein the first shielding layer 302 is arranged in the first cavity 101 and covers the upper end surface and the lower end surface of the first cavity 101, one end of the shielding curtain 301 is connected to the power output end of the retracting drive 303 to realize the unfolding and retracting of the shielding curtain 301, and the shielding curtain 301 is used to cover the first passage 102; the heat dissipation unit 401 is arranged between the metering component 2 and the first passage 102, and when the electric energy metering cabinet is in normal use, the first shielding layer 302 located on the upper end surface, the lower end surface, and the rear end surface of the first cavity 101 and the shielding curtain 301 cover the metering component 2 in multiple directions, which can prevent the metering component 2 from being interfered by external signals during operation, and the retracting of the shielding curtain 301 by the retracting drive 303 can make the first passage 102 open, and then the heat dissipation unit 401 is activated to promptly take away the heat generated by the metering component 2, avoid the high temperature of the internal environment of the cabinet 1, and ensure the normal operation of the metering component 2.

[0057] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principles of the present invention. These improvements and substitutions should also be regarded as the scope of protection of the present invention.

Claims

1. An electric energy metering cabinet, characterized in that: include: A cabinet (1), wherein the cabinet (1) has a first cavity (101) inside, and the cabinet (1) is provided with first openings (102) on both left and right end surfaces, and the first cavity (101) is in communication with the first opening (102); a metering component (2), the metering component (2) being accommodated in the first cavity (101); A shielding assembly (3), the shielding assembly (3) comprising a shielding curtain (301), a first shielding layer (302) and a reeling drive member (303), the first shielding layer (302) being arranged in the first cavity (101) and covering the upper end surface, the lower end surface and the rear end surface of the first cavity (101), the reeling drive member (303) being installed on the cabinet (1), one end of the shielding curtain (301) being connected to the power output end of the reeling drive member (303) to realize the unfolding and reeling of the shielding curtain (301), and the shielding curtain (301) being used to cover the first opening (102); A heat dissipation component (4), the heat dissipation component (4) comprising a heat dissipation unit (401), the heat dissipation unit (401) being arranged in the first cavity (101) and located between the metering component (2) and the first port (102).

2. The electric energy metering cabinet according to claim 1, characterized in that: The shielding assembly (3) further comprises a reel (304) and a connecting rod (305); the cabinet (1) further comprises a second cavity (103); the second cavity (103) is located above the first opening (102); the lower end of the second cavity (103) comprises an opening (104); the first opening (102) is connected to the opening (104); the reel (304) is rotatably accommodated in the second cavity (103); the reel (304) extends in a front-to-rear direction; the reel driving member (303) is provided On the rear end surface of the cabinet (1), the power output end of the reeling drive member (303) penetrates into the second cavity (103) from the back to the front and is fixedly connected to the reeling drum (304) for driving the reeling drum (304) to rotate. One end of the shielding curtain (301) is fixedly arranged on the reeling drum (304), and the other end of the shielding curtain (301) is connected to the connecting rod (305). The connecting rod (305) extends along the front-to-back direction, and the outer diameter of the connecting rod (305) is greater than the width of the opening (104).

3. The electric energy metering cabinet according to claim 2, characterized in that: The shielding assembly (3) also includes a slider (306) and a tension spring (307). The front and rear end surfaces of the first opening (102) are both provided with a slide groove (105) extending in the up and down direction. The slider (306) is slidably accommodated in the slide groove (105). The two ends of the connecting rod (305) are respectively connected to the slider (306) located in the front slide groove (105) and the slider (306) located in the rear slide groove (105). The tension spring (307) is accommodated in the slide groove (105). The two ends of the tension spring (307) are respectively connected to the lower end surface of the slider (306) and the lower end surface of the slide groove (105).

4. The electric energy metering cabinet according to claim 2, characterized in that: It also includes a cushion block (5), which is arranged on the rear end surface of the cabinet (1), and has a cavity (501) inside the cushion block (5), and the winding drive component (303) is accommodated in the cavity (501), and the power output end of the winding drive component (303) passes through the cushion block (5) and is inserted into the second cavity (103).

5. The electric energy metering cabinet according to claim 1, characterized in that: The heat dissipation component (4) comprises two heat dissipation units (401), wherein the heat dissipation unit (401) is detachably arranged between the metering component (2) and the first port (102), and the heat dissipation unit (401) comprises a heat dissipation frame (4011) and a plurality of heat dissipation fans (4012), wherein the plurality of heat dissipation fans (4012) are installed on the heat dissipation frame (4011) at intervals.

6. The electric energy metering cabinet according to claim 1, characterized in that: The metering component (2) comprises a plurality of metering bodies (201) and a control component (202); a mounting rod (106) is provided on the rear end surface of the first cavity (101); the mounting rod (106) has a plurality of mounting positions, and the plurality of metering bodies (201) can be detachably mounted on the mounting positions; the control component (202) is arranged below the mounting rod (106); the upper end of the control component (202) has a wiring portion (2021), and the wiring portion (2021) is located directly below the mounting rod (106); the rear end of the metering body (201) has a wiring terminal (2011), and the wiring portion (2021) is connected to the wiring terminal (2011) via a wire.

7. The electric energy metering cabinet according to claim 6, characterized in that: The cabinet (1) further comprises a door body (6), the front end of the cabinet (1) is provided with a second opening (107), the second opening (107) is communicated with the first cavity (101), the door body (6) is hinged on the side wall of the second opening (107), the door body (6) is used to cover the second opening (107), the metering body (201) is provided with a display panel (2012) and an indicator light (2013), the control component (202) is provided with a control panel (2022), and the door body (6) corresponds to the display panel (2012) and the indicator light (2013). The panel (2012) and the indicator light (2013) are respectively provided with a first visible portion (601) and a second visible portion (602); an opening (603) is provided on the door body (6) corresponding to the control panel (2022); the shielding assembly (3) also includes a second shielding layer (308); the second shielding layer (308) is arranged on the end surface of the door body (6) close to the first cavity (101); and the outer peripheral edge of the control panel (2022) is in contact with the opening (603) through the second shielding layer (308).

8. The electric energy metering cabinet according to claim 7, characterized in that: A wire passage groove (108) is provided on the rear end surface of the first cavity (101), the wire passage groove (108) passes through the inner wall of the cabinet (1), and an isolation plate (109) is provided on the wire passage groove (108), and the isolation plate (109) is used to block the wire passage groove (108).

9. The electric energy metering cabinet according to claim 1, characterized in that: The heat dissipation assembly (4) further comprises a heat dissipation grille (4013), wherein the heat dissipation grille (4013) is arranged on the first opening (102) and is located between the shielding curtain (301) and the heat dissipation unit (401).