Electric energy metering box with good heat dissipation performance

Abstract

The utility model discloses an electric energy metering box with good heat dissipation performance, which comprises a box body, one side of the box body is provided with a box door, two sides of the box body are both provided with thin plates, an electric energy meter is arranged in the box body, the bottom of the box body is fixedly connected with a fan, the top of the box body is provided with an air outlet, and the air outlet is provided with an air inlet. Mounting grooves are formed in the two sides of the top of the inner wall of the box body, and limiting blocks are slidably connected into the mounting grooves. According to the utility model, through mutual cooperation among the fan, the box body, the top cover and the air outlet, air is continuously blown into the electric energy metering box through the fan, hot air is discharged through the air outlet, the air circulation rate of the environment in the box body is greatly improved, the temperature of the environment in the box body is reduced, the aging speed of related electronic components is delayed, and the service life of the electric energy metering box is prolonged. And meanwhile, when a worker opens the box for maintenance, the situation that hot air comes out is reduced, the operation feeling of the worker is improved, and the metering box can be better maintained.

Description

Technical Field

[0001] The utility model relates to the technical field of electric energy metering boxes, in particular to an electric energy metering box with good heat dissipation. Background Art

[0002] The power meter box is a device used for electric energy metering in 3~35kv, including a combination transformer (collecting three-phase current and voltage signals), a box, an electric meter, a lightning arrester, a vacuum circuit breaker, etc. The current accuracy is 0.2S, the voltage accuracy level is 0.2, and the model is generally JLSxx-xx (x replaces the actual letter) and is basically the same as the combination transformer. With the comprehensive coverage of electric energy meters, the application of a large number of matching electric energy meter boxes is becoming more and more widespread.

[0003] The existing electric energy meter boxes will generate a lot of heat during operation, and the internal temperature will continue to rise. However, the heat is usually dissipated only through the heat dissipation holes and heat dissipation grilles on the box body, and the cooling efficiency is generally low. The electronic equipment in the meter box works in a high temperature environment for a long time, which can easily lead to accelerated aging of related electronic equipment and lines. At the same time, when the staff needs to maintain and check the meters in the meter box, after opening the box door, hot air will blow in, making the staff feel poor. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0006] An electric energy meter box with good heat dissipation comprises a box body, a box door is provided on one side of the box body, thin plates are provided on both sides of the box body, an electric energy meter is provided inside the box body, a fan is fixedly connected to the bottom of the box body, an air outlet is provided on the top of the box body, mounting grooves are provided on both sides of the top of the inner wall of the box body, a limiting block is slidably connected inside the mounting groove, a spring is fixedly connected between the limiting block and the inner wall of the mounting groove, a dustproof net is provided on the top of the two limiting blocks, a top cover is provided on the outer top of the box body, a shunt block is fixedly connected at the bottom center of the top cover, and exhaust outlets are provided at both ends of the top cover.

[0007] As a preferred solution of an electric energy meter box with good heat dissipation described in the utility model, an inner lining plate is arranged on the inner side of the thin plate, and the two ends of the inner lining plate are respectively fixedly connected to the top and the inner bottom of the box body, and a steel wire mesh is fixedly connected inside the inner lining plate, so that the thickness of the two side plates of the box body is thinner, which is convenient for the box body to better dissipate heat. At the same time, a steel wire mesh is arranged inside to improve the support inside the side plates. When the two sides of the box body are deformed by impact, it is convenient to provide a certain support for the thin plate, thereby minimizing its influence on the internal electronic equipment.

[0008] As a preferred solution of an electric energy meter box with good heat dissipation described in the utility model, an air inlet is arranged at the bottom of the box, and the air outlet of the fan corresponds to the air inlet and is connected to the inside of the box. The fan blows air into the inside of the box, which can increase the ambient air flow rate in the box and facilitate the discharge of hot air in the box.

[0009] As a preferred solution of an electric energy meter box with good heat dissipation described in the utility model, a limiting frame is fixedly connected to the top of the dustproof net, and a rubber sealing ring is arranged around the outer wall of the limiting frame and fits tightly with the inner wall of the air outlet. The limiting frame is inserted into the air outlet to facilitate the quick installation and positioning of the dustproof net, and at the same time can isolate the dust in the external environment and reduce the dust in the external environment from entering the box through the air outlet.

[0010] As a preferred solution of an electric energy metering box with good heat dissipation described in the utility model, a rain eyebrow is fixedly connected to one side of the outer wall of the top cover close to the box door. When the box body is hung outdoors, it is convenient for maintenance personnel to open the box door to work on rainy days.

[0011] As a preferred solution of an electric energy meter box with good heat dissipation described in the utility model, the center of the top outer cover is convex, which is convenient for preventing rainwater from accumulating on the top of the box when it rains, and plays a water guiding role. The bottom cross-section of the diverter block is conical, and the inner cone is convenient for diverting the hot air discharged from the box so that it can be discharged through the exhaust port.

[0012] As a preferred solution of the electric energy metering box with good heat dissipation described in the utility model, the exhaust port is connected to the inside of the air outlet, so that the hot air in the box can flow from the air outlet to the exhaust port for discharge.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model realizes mutual cooperation among the fan, box body, top cover and exhaust vents, and the fan continuously blows air into the electric energy meter box, and the hot air is discharged through the exhaust vents, which greatly improves the air circulation rate of the environment inside the box. It not only reduces the temperature of the environment inside the box, but also delays the aging rate of related electronic components. At the same time, when the staff opens the box for maintenance, it reduces the occurrence of hot air blowing in the face, improves the operating experience of the staff, and facilitates better maintenance of the meter box. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the implementation of the utility model, the utility model will be described in detail below in combination with the drawings and detailed implementation. Obviously, the drawings described below are only some implementations of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0016] Figure 1 This is a schematic diagram of the appearance of an electric energy metering box with good heat dissipation of the utility model;

[0017] Figure 2 This is a structural schematic diagram of an electric energy metering box with good heat dissipation in the utility model;

[0018] Figure 3 This is a schematic diagram of the box structure of an electric energy metering box with good heat dissipation in the utility model;

[0019] Figure 4 This is a schematic diagram of the installation position of a dustproof net of an electric energy metering box with good heat dissipation in the utility model;

[0020] Figure 5 The utility model is a schematic diagram of the top cover structure of an electric energy metering box with good heat dissipation.

[0021] Legend: 1. Box body; 2. Box door; 3. Thin plate; 4. Lining plate; 5. Electric energy meter; 6. Fan; 7. Top cover; 8. Air outlet; 9. Mounting slot; 10. Limit block; 11. Spring; 12. Dust net; 13. Limit rack; 14. Diverter block; 15. Exhaust outlet; 16. Rain eyebrow. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0023] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0024] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0025] See also Figure 1-5 The utility model provides an electric energy metering box with good heat dissipation, comprising a box body 1, a box door 2 is arranged on one side of the box body 1, and thin plates 3 are arranged on both sides of the box body 1.

[0026] Among them, an inner lining plate 4 is arranged on the inner side of the thin plate 3, and the two ends of the inner lining plate 4 are respectively fixedly connected to the top and the bottom of the box body 1, and a steel wire mesh is fixedly connected inside the inner lining plate 4, so that the thickness of the two side plates of the box body 1 is thinner, which is convenient for the box body 1 to better dissipate heat. At the same time, a steel wire mesh is arranged inside to improve the support inside the side plate. When the two sides of the box body 1 are deformed by impact, it is convenient to provide certain support for the thin plate 3 to minimize its impact on the internal electronic equipment.

[0027] An electric energy meter 5 is arranged inside the box 1, and a fan 6 is fixedly connected to the bottom of the box 1, wherein an air inlet is arranged at the bottom of the box 1, and the air outlet end of the fan 6 corresponds to the air inlet and is connected to the inside of the box 1. By blowing air into the inside of the box 1 by the fan 6, the ambient air flow rate in the box 1 can be increased, thereby facilitating the discharge of hot air in the box 1.

[0028] An air outlet 8 is provided on the top of the box body 1, and installation grooves 9 are provided on both sides of the top of the inner wall of the box body 1. A limiting block 10 is slidably connected inside the installation groove 9, and a spring 11 is fixedly connected between the limiting block 10 and the inner wall of the installation groove 9. A dustproof net 12 is provided on the top of the two limiting blocks 10, wherein a limiting frame 13 is fixedly connected to the top of the dustproof net 12, and a rubber sealing ring is provided around the outer wall of the limiting frame 13 and fits tightly with the inner wall of the air outlet 8. The limiting frame 13 is inserted into the air outlet 8 to facilitate the quick installation and positioning of the dustproof net 12, and at the same time can isolate the dust in the external environment and reduce the dust in the external environment from entering the box body 1 through the air outlet 8.

[0029] When replacing the dustproof net 12, you only need to take out the dustproof net 12 from the inside of the box 1, press the limit blocks 10 downward at both ends of the dustproof net 12, so that the limit blocks 10 compress the spring 11 and retract it into the installation groove 9, and then you can take out the dustproof net 12. When installing, press the dustproof net 12 upward to compress the limit blocks 10 at both ends. After the dustproof net 12 is positioned, the limit blocks 10 pop up to support the dustproof net 12.

[0030] A top cover 7 is provided on the top of the box body 1, a diverter block 14 is fixedly connected to the center of the bottom of the top cover 7, and exhaust ports 15 are provided at both ends of the top cover 7, wherein the exhaust ports 15 are connected to the inside of the air outlet 8, so that the hot air in the box body 1 flows from the air outlet 8 to the exhaust ports 15 for discharge.

[0031] A rain eyebrow 16 is fixedly connected to one side of the outer wall of the top cover 7 close to the box door 2. When the box body 1 is hung outdoors, it is convenient for maintenance personnel to open the box door 2 to perform operations on rainy days.

[0032] In this embodiment, the center of the top outer part of the top cover 7 is convex, which is convenient for preventing rainwater from accumulating on the top of the box body 1 when it rains, and plays a water guiding role. The bottom cross-section of the diverter block 14 is conical, and the inner cone facilitates the diversion of the hot air exhausted from the box body 1 so that it can be discharged through the exhaust port 15.

[0033] When in use, the fan 6 is connected to the power supply of the electricity meter box, and air is blown into the box body 1 through the fan 6. The airflow passes through the inside of the box body 1, flows through each electricity meter 5, and then flows through the air outlet 8 to the exhaust port 15 for discharge, thereby facilitating the discharge of the hot air in the box body 1.

[0034] When the staff is checking the meter or maintaining the electronic equipment in the box 1, before opening the box door 2, by adjusting and increasing the air volume delivery of the fan 6, it is convenient to temporarily increase the exhaust speed of the hot air in the box 1 and quickly discharge the hot air in the box 1. Then, before opening the door, the staff adjusts to reduce the air volume delivery of the fan 6, thereby reducing the heat generated during operation in the box 1 and the impact on the staff, improving the staff's work experience, and facilitating the staff to better maintain the electricity meter box.

[0035] The fan 6 mentioned in this device, as well as the adjustment of the air volume of the fan 6, are all existing technologies. The specific model is: Chint ZLFS-NTF2-12025 / AC220B. The fan 6 in this device is a plurality of groups of Chint ZLFS-NTF2-12025 / AC220B installed in parallel, and each fan 6 is connected in series to the circuit.

[0036] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. An electric energy meter box with good heat dissipation, comprising a box body (1), characterized in that: A box door (2) is provided on one side of the box body (1), thin plates (3) are provided on both sides of the box body (1), an electric energy meter (5) is provided inside the box body (1), a fan (6) is fixedly connected to the bottom of the box body (1), an air outlet (8) is provided on the top of the box body (1), mounting grooves (9) are provided on both sides of the top of the inner wall of the box body (1), a limit block (10) is slidably connected inside the mounting groove (9), a spring (11) is fixedly connected between the limit block (10) and the inner wall of the mounting groove (9), a dustproof net (12) is provided on the top of the two limit blocks (10), a top cover (7) is provided on the outer top of the box body (1), a diverter block (14) is fixedly connected at the bottom center of the top cover (7), and exhaust outlets (15) are provided at both ends of the top cover (7).

2. The electric energy meter box with good heat dissipation according to claim 1, characterized in that: An inner lining plate (4) is arranged inside the thin plate (3), and two ends of the inner lining plate (4) are respectively fixedly connected to the inner top and inner bottom of the box body (1), and a steel wire mesh is fixedly connected inside the inner lining plate (4).

3. The electric energy meter box with good heat dissipation according to claim 1, characterized in that: An air inlet is provided at the bottom of the box body (1), and an air outlet of the fan (6) corresponds to the air inlet and is connected to the interior of the box body (1).

4. The electric energy meter box with good heat dissipation according to claim 1, characterized in that: The top of the dustproof net (12) is fixedly connected to a limiting frame (13) at all four sides, and the outer wall of the limiting frame (13) is provided with a rubber sealing ring at all four sides and is tightly fitted with the inner wall of the air outlet (8).

5. The electric energy meter box with good heat dissipation according to claim 1, characterized in that: A rain eyebrow (16) is fixedly connected to one side of the outer wall of the top cover (7) close to the box door (2).

6. The electric energy meter box with good heat dissipation according to claim 1, characterized in that: The top center of the top cover (7) is arranged in a convex shape, and the bottom cross section of the diverter block (14) is arranged in a conical shape.

7. The electric energy meter box with good heat dissipation according to claim 1, characterized in that: The air outlet (15) is connected to the inside of the air outlet (8).

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