CN211785712U - Bottom shell structure of electric energy meter - Google Patents
Bottom shell structure of electric energy meter Download PDFInfo
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- CN211785712U CN211785712U CN201921817521.0U CN201921817521U CN211785712U CN 211785712 U CN211785712 U CN 211785712U CN 201921817521 U CN201921817521 U CN 201921817521U CN 211785712 U CN211785712 U CN 211785712U
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- heat
- electric energy
- conducting plate
- energy meter
- drain pan
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Abstract
The utility model relates to a drain pan structure of electric energy meter, including the drain pan body, its characterized in that: the bottom inner surface of the bottom shell body is provided with a heat-conducting plate, the other surface of the heat-conducting plate is further provided with a cover plate matched with the heat-conducting plate, a semiconductor refrigerator is further arranged between the heat-conducting plate and the bottom shell body, the cold end of the semiconductor refrigerator is attached to the heat-conducting plate, and the hot end of the semiconductor refrigerator is attached to the inner surface of the bottom shell body. Has the advantages that: through the bottom installation heat-conducting plate and the semiconductor cooler at drain pan body, this heat-conducting plate enables the electric energy meter and can evenly dispel the heat to can be faster through the semiconductor cooler convert the heat, the temperature in the reduction electric energy meter that can be faster prevents the too high damage to components and parts in the electric energy meter of temperature in the electric energy meter, simple structure, with low costs, and good heat dissipation.
Description
Technical Field
The utility model relates to an electric energy meter field, in particular to drain pan structure of electric energy meter.
Background
With the batch use and the field operation of the intelligent electric energy meters, many problems emerge, wherein the situation that the reliability of devices is reduced due to field overheating is serious, and the development of the electric energy meters with low temperature rise is urgently needed.
The utility model discloses a chinese utility model patent with application number CN201821292242.2 (No. CN208509515U), which comprises a housing, and a heat dissipation device disposed on the housing, wherein the back of the housing is provided with a containing groove for containing the heat dissipation device, the heat dissipation device is provided with a plurality of heat dissipation channels which run through from top to bottom, the heat dissipation device comprises a heat dissipation plate and a heat conduction plate, one side of the heat dissipation plate close to the heat conduction plate is provided with a plurality of heat dissipation fins, two adjacent heat dissipation fins are arranged in parallel, one end of the heat dissipation fin far away from the heat dissipation plate is abutted against the heat conduction plate, and the heat conduction plate, the heat dissipation plate and two adjacent heat dissipation fins constitute the heat dissipation channels; the heat conducting plate is arranged close to the shell, and the heat radiating plate is connected with the shell. The heat-conducting plate of the heat-radiating device is arranged close to the shell, and the heat-radiating device consisting of the heat-conducting plate and the heat-radiating plate can effectively radiate heat of the electric energy meter according to a plurality of heat-radiating channels which penetrate through the heat-conducting plate from top to bottom. However, the heat dissipation device in the electric energy meter is installed on the back of the housing, so that it is difficult to dissipate heat inside the electric energy meter, and further improvement is required because the heat dissipation efficiency through the heat conduction plate and the heat dissipation plate is not high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to prior art's current situation, a drain pan structure of electric energy meter that the thermal diffusivity is better and the radiating efficiency is higher is provided.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a drain pan structure of electric energy meter, includes drain pan body, its characterized in that: the bottom inner surface of the bottom shell body is provided with a heat-conducting plate, the other surface of the heat-conducting plate is further provided with a cover plate matched with the heat-conducting plate, a semiconductor refrigerator is further arranged between the heat-conducting plate and the bottom shell body, the cold end of the semiconductor refrigerator is attached to the heat-conducting plate, and the hot end of the semiconductor refrigerator is attached to the inner surface of the bottom shell body.
In order to further dissipate heat of the electric energy meter, a heat dissipation assembly is further arranged between the hot end of the semiconductor refrigerator and the inner surface of the bottom shell body.
Preferably, the heat dissipation assembly comprises a heat dissipation hole and a heat dissipation fin.
In order to enable the heat-conducting plate and the cover plate to be limited on the bottom shell body, in the scheme, a plurality of clamping blocks are arranged on the inner side wall of the bottom shell body, and clamping grooves matched with each clamping block are formed in the heat-conducting plate and the cover plate and used for limiting the heat-conducting plate and the cover plate on the bottom shell body respectively.
In order to enable the heat emitted by the heating element in the electric energy meter to be transmitted out more quickly, the heat-conducting plate is provided with a first opening exposed by the heating element in the electric energy meter, the cover plate is provided with a second opening matched with the first opening, and the heating element sequentially penetrates through the second opening and the first opening and then is attached to the cold end of the semiconductor refrigerator.
In order to realize the matching connection between the heat conducting plate and the cover plate, a plurality of positioning holes are formed in the heat conducting plate, and positioning columns matched with the positioning holes in the heat conducting plate are arranged on the back face of the cover plate.
Preferably, the positioning hole is circular.
And the bottom shell body is provided with a suspension part for suspending the electric energy meter.
Preferably, the heat conducting plate is an aluminum plate. The aluminum plate has better heat conductivity and can better transfer heat in the electric energy meter.
Compared with the prior art, the utility model has the advantages of: through the bottom installation heat-conducting plate and the semiconductor cooler at drain pan body, this heat-conducting plate enables the electric energy meter and can evenly dispel the heat to can be faster through the semiconductor cooler and convert the heat, the temperature in the reduction electric energy meter that can be faster, therefore the better just radiating efficiency of thermal diffusivity of this drain pan structure is higher, can effectively prevent the damage of the interior components and parts of high temperature of electric energy meter in to the electric energy meter, simple structure, it is with low costs.
Drawings
Fig. 1 is a schematic structural view of a bottom case body in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a heat-conducting plate according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a cover plate in an embodiment of the present invention;
FIG. 4 is a schematic diagram of a semiconductor refrigerator according to an embodiment of the present invention;
fig. 5 is a schematic view of the assembled bottom case according to the embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1-5, a drain pan structure of electric energy meter includes drain pan body 1, be equipped with the portion of hanging 12 that is used for the electric energy meter to hang on the drain pan body 1, install heat-conducting plate 2 on the bottom internal surface of drain pan body 1, heat-conducting plate 2's another side still installs apron 3 with heat-conducting plate 2 matched with, still be equipped with semiconductor refrigerator 4 between heat-conducting plate 2 and the drain pan body 1, semiconductor refrigerator 4's cold junction 41 and the laminating of heat-conducting plate 2, semiconductor refrigerator 4's hot junction 42 and the laminating of the internal surface of drain pan body 1. In this embodiment, the heat conducting plate 2 is an aluminum plate, and other heat conducting plates can be adopted, and the bottom shell body 1 and the cover plate 3 are made of plastic.
A heat dissipation assembly (not shown) is disposed between the hot end 42 of the semiconductor cooler 4 and the inner surface of the bottom casing body 1. In this embodiment, the heat dissipation assembly includes heat dissipation holes and heat dissipation fins, and the heat dissipation assembly is a common component. The heat transferred by the heat conducting plate 2 is absorbed by the cold end 41 of the semiconductor refrigerator 4, as shown in fig. 4, the cold end 41 and the hot end 42 of the semiconductor refrigerator 4 are composed of an N-type semiconductor and a P-type semiconductor, the heat conversion is realized by the N-P type semiconductor, so that the cold end and the hot end are formed, the heat is transferred by the heat dissipation component on the lower side of the hot end 42 of the semiconductor refrigerator 4, and the heat dissipation function is better realized. The semiconductor refrigerator is small in size, light in weight and high in action speed, and can reduce the temperature in the electric energy meter more quickly.
Be equipped with a plurality of fixture blocks 11 on the inside wall of drain pan body 1, all offer on heat-conducting plate 2 and the apron 3 with every fixture block 11 matched with draw-in groove for it is spacing respectively on drain pan body 1 with heat-conducting plate 2 and apron 3. In this embodiment, the heat conducting plate 2 and the cover plate 3 are two plates with the same shape, and the positions of the clamping grooves on the heat conducting plate 2 and the cover plate 3 are the same.
In addition, the heat conducting plate 2 is provided with a first opening 22 for exposing a heating element in the electric energy meter, the cover plate 3 is provided with a second opening 31 matched with the first opening 22, and the heating element sequentially passes through the second opening 31 and the first opening 22 and then is attached to the cold end 41 of the semiconductor refrigerator 4. The heating element is a component which is easy to generate a large amount of heat in the electric energy meter, such as: a relay.
In order to assemble the heat conducting plate 2 and the cover plate 3 with each other, a plurality of positioning holes 21 are formed on the heat conducting plate 2, and positioning posts (not shown in the figure) matched with the positioning holes 21 on the heat conducting plate 2 are arranged on the back surface of the cover plate 3. In this embodiment, the positioning hole 21 is circular, but may have other shapes.
During assembly, install semiconductor refrigerator 4 in the bottom of drain pan body 1 earlier, and install heat-conducting plate 2 in the upper end of this semiconductor refrigerator 4, make the hot junction 42 of this semiconductor refrigerator 4 laminate with the bottom internal surface of drain pan body 1, the cold junction 42 of this semiconductor refrigerator 4 laminates with heat-conducting plate 2, install apron 3 on heat-conducting plate 2 at last, make heat-conducting plate 2 and apron 3 all assemble on drain pan body 1, the circuit board is installed to apron 3 upper end, therefore this heat-conducting plate enables the inside even heat dissipation of electric energy meter, and the heat that will transmit carries out the conversion through semiconductor refrigerator 4, thereby make the heat in the electric energy meter casing disperse more fast, and the heat after the conversion of semiconductor refrigerator 4 passes through radiator unit and spreads out from the drain pan body, therefore this drain pan structure has fine thermal diffusivity, and is with low costs, therefore the practicality is strong.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a drain pan structure of electric energy meter, includes drain pan body (1), its characterized in that: the bottom inner surface of the bottom shell body (1) is provided with a heat-conducting plate (2), the other surface of the heat-conducting plate (2) is further provided with a cover plate (3) matched with the heat-conducting plate (2), a semiconductor refrigerator (4) is further arranged between the heat-conducting plate (2) and the bottom shell body (1), the cold end (41) of the semiconductor refrigerator (4) is attached to the heat-conducting plate (2), and the hot end (42) of the semiconductor refrigerator (4) is attached to the inner surface of the bottom shell body (1).
2. A bottom case structure of an electric energy meter according to claim 1, wherein: and a heat dissipation assembly is also arranged between the hot end (42) of the semiconductor refrigerator (4) and the inner surface of the bottom shell body (1).
3. A bottom case structure of an electric energy meter according to claim 2, wherein: the heat dissipation assembly comprises a heat dissipation hole and heat dissipation fins.
4. A bottom case structure of an electric energy meter according to claim 1, wherein: be equipped with a plurality of fixture blocks (11) on the inside wall of drain pan body (1), all seted up on heat-conducting plate (2) and apron (3) with every fixture block (11) matched with draw-in groove for it is spacing respectively on drain pan body (1) with heat-conducting plate (2) and apron (3).
5. A bottom case structure of an electric energy meter according to claim 1, wherein: the heat conducting plate (2) is provided with a first opening (22) exposed by a heating element in the electric energy meter, the cover plate (3) is provided with a second opening (31) matched with the first opening (22), and the heating element sequentially penetrates through the second opening (31) and the first opening (22) and then is attached to a cold end (41) of the semiconductor refrigerator (4).
6. A bottom case structure of an electric energy meter according to claim 5, characterized in that: a plurality of positioning holes (21) are formed in the heat conducting plate (2), and positioning columns matched with the positioning holes (21) in the heat conducting plate (2) are arranged on the back face of the cover plate (3).
7. A bottom case structure of an electric energy meter according to claim 6, characterized in that: the positioning hole (21) is circular.
8. A bottom case structure of an electric energy meter according to claim 1, wherein: the bottom shell body (1) is provided with a suspension part (12) for suspending the electric energy meter.
9. A bottom case structure of an electric energy meter according to any one of claims 1 to 8, characterized in that: the heat conducting plate (2) is an aluminum plate.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019202307154 | 2019-02-22 | ||
| CN201920230715 | 2019-02-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211785712U true CN211785712U (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921817521.0U Active CN211785712U (en) | 2019-02-22 | 2019-10-25 | Bottom shell structure of electric energy meter |
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| CN (1) | CN211785712U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112994411A (en) * | 2021-02-05 | 2021-06-18 | 四川恩巨实业有限公司 | Power adapter heat radiation structure |
-
2019
- 2019-10-25 CN CN201921817521.0U patent/CN211785712U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112994411A (en) * | 2021-02-05 | 2021-06-18 | 四川恩巨实业有限公司 | Power adapter heat radiation structure |
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