CN221842200U - Low-voltage metering box with good heat dissipation performance - Google Patents

Low-voltage metering box with good heat dissipation performance Download PDF

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Publication number
CN221842200U
CN221842200U CN202323543776.1U CN202323543776U CN221842200U CN 221842200 U CN221842200 U CN 221842200U CN 202323543776 U CN202323543776 U CN 202323543776U CN 221842200 U CN221842200 U CN 221842200U
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China
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heat dissipation
box body
low
box
electrically connected
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CN202323543776.1U
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Inventor
诸利峰
张建勇
张永鹏
吕文林
王婷婷
冯亚男
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Henan Shenke Electric Co ltd
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Henan Shenke Electric Co ltd
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Abstract

The utility model discloses a low-voltage metering box with good heat dissipation performance, which comprises a box body and a multi-combination heat dissipation mechanism; the box body comprises: the front end of the box body is of an opening structure, the left end of the front surface of the box body is hinged with a box door through a hinge, the inner wall of the rear side of the box body is provided with a U-shaped mounting plate, the front surface of the U-shaped mounting plate is respectively provided with a singlechip, a wiring terminal, a data transmitter and an electric energy meter, the input end of the singlechip is electrically connected with an external power supply, the input end of the electric energy meter is electrically connected with the output end of the wiring terminal, the output end of the electric energy meter is electrically connected with the input end of the singlechip, and the input end of the data transmitter is electrically connected with the output end of the singlechip; multi-combination heat dissipation mechanism: the low-voltage metering box with good heat dissipation performance is arranged in the box body, the heat dissipation effect of the low-voltage metering box is improved through the mutual matching of various heat dissipation modes, and the most energy-saving heat dissipation mode is automatically selected according to the difference of the internal temperature of the low-voltage metering box, so that the expenditure of energy sources is saved.

Description

Low-voltage metering box with good heat dissipation performance
Technical Field
The utility model relates to the technical field of low-voltage metering boxes, in particular to a low-voltage metering box with good heat dissipation performance.
Background
The low-voltage metering box is electric power metering equipment, and mainly comprises an ammeter, a current sensor, a voltage transformer, relay protection, automatic control and other components, and has the main functions of electric energy metering and data acquisition, measuring the electric energy consumption of each user in a low-voltage power grid, effectively controlling the electric power consumption, preventing electric power theft and electric energy metering errors, and transmitting the acquired electric power data to a control center in a protocol communication mode to realize remote monitoring and management; in the prior art, the inside metering electrical apparatus of low pressure batch meter can produce heat at the during operation, in order to avoid low pressure batch meter inside high temperature, often can offer the louvre in the side of low pressure batch meter, dispel the heat to low pressure batch meter, but according to low pressure batch meter operating condition's difference, low pressure batch meter work produces the heat also different, when the heat is great, single louvre can not effectually reduce the inside temperature of low pressure batch meter, the radiating effect is relatively poor, even some low pressure batch meter inside be equipped with radiator such as electric fan air-cooler, can accelerate the radiating rate of low pressure batch meter, but radiator's work can last to consume electric power, long-time use leads to the energy expenditure great easily, can not switch the most energy-conserving heat dissipation mode according to batch meter internal temperature's difference.
Disclosure of utility model
The utility model aims to overcome the existing defects, provide the low-voltage metering box with good heat dissipation performance, improve the heat dissipation effect of the low-voltage metering box, automatically select the most energy-saving heat dissipation mode according to different internal temperatures of the low-voltage metering box, ensure the heat dissipation effect of the low-voltage metering box, save the expenditure of energy sources and effectively solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a low-voltage metering box with good heat dissipation performance comprises a box body and a multi-combination heat dissipation mechanism;
The box body comprises: the front end of the box body is of an opening structure, the left end of the front surface of the box body is hinged with a box door through a hinge, the inner wall of the rear side of the box body is provided with a U-shaped mounting plate, the front surface of the U-shaped mounting plate is respectively provided with a singlechip, a wiring terminal, a data transmitter and an electric energy meter, the input end of the singlechip is electrically connected with an external power supply, the input end of the electric energy meter is electrically connected with the output end of the wiring terminal, the output end of the electric energy meter is electrically connected with the input end of the singlechip, and the input end of the data transmitter is electrically connected with the output end of the singlechip;
Multi-combination heat dissipation mechanism: the heat dissipation device is arranged in the box body, the heat dissipation effect of the low-voltage metering box is improved through the mutual matching of various heat dissipation modes, the most energy-saving heat dissipation mode is automatically selected according to the difference of the internal temperature of the low-voltage metering box, and the expenditure of energy sources is saved while the heat dissipation effect of the low-voltage metering box is ensured.
Further, the multi-combination heat dissipation mechanism comprises heat dissipation holes which are respectively arranged on the left side surface and the right side surface of the box body, and heat dissipation is performed by utilizing natural flow of air.
Further, the multi-combination heat dissipation mechanism further comprises a frame plate, an air guiding hole and an electric fan, wherein the frame plate is arranged on the left inner wall of the box body, the air guiding holes are respectively formed in the right side face of the frame plate, the electric fan is arranged in the air guiding holes, the input end of the electric fan is electrically connected to the output end of the single chip microcomputer, and air flowing is accelerated to dissipate heat.
Further, multiunit combination cooling mechanism still includes inlet tube, heat exchanger fin, outlet pipe and solenoid valve, the inlet tube sets up in the right side inner wall upper end of box, and the outlet pipe sets up in the right side inner wall lower extreme of box, is equipped with the heat exchanger fin between outlet pipe and the inlet tube respectively, and the heat exchanger fin is hollow heat exchanger fin, and outlet pipe and inlet tube all are linked together with the heat exchanger fin is inside, and the rear end of outlet pipe and inlet tube all has the solenoid valve in series, and the input electricity of solenoid valve is connected in the output of singlechip, reduces the temperature of air and dispels the heat.
Further, the multi-combination heat dissipation mechanism further comprises a temperature sensor, the temperature sensor is arranged on the inner wall of the rear side of the U-shaped mounting plate, the output end of the temperature sensor is electrically connected with the input end of the singlechip, and the temperature inside the box body is detected.
Further, the heat exchange plates are gradually inclined backwards from right to left, and the contact time of the heat exchange plates and flowing air is increased.
Further, the U-shaped mounting plate is an aluminum alloy U-shaped mounting plate and conducts working heat of the low-voltage metering electric appliance, so that temperature detection is more accurate.
Compared with the prior art, the utility model has the beneficial effects that: this low pressure batch meter that heat dispersion is good has following benefit:
When the electric energy meter is used, electric energy flowing in a low-voltage circuit is metered through the electric energy meter, the heat dissipation is carried out on the inside of the box body through the heat dissipation holes in the electric energy metering process, the temperature sensor is used for detecting the temperature of the working environment of the metering electric appliance, when the temperature exceeds a specified value but does not reach a dangerous value, the electric fan is started through the singlechip, the heat dissipation effect is improved by accelerating the air flow, when the temperature exceeds the dangerous value, the electromagnetic valve is opened, external cooling water flow falls along the inside of the heat exchange plate, the air entering the inside of the box body is cooled by the cooling water flow under the heat conduction of the heat exchange plate, the heat absorption of the air is accelerated, the heat dissipation efficiency is improved, the heat dissipation effect of the low-voltage metering box is improved through the mutual cooperation of various heat dissipation modes, the most energy-saving heat dissipation mode is selected automatically according to the difference of the inside temperature of the low-voltage metering box, and the expenditure of energy is saved while the heat dissipation effect of the low-voltage metering box is ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the structure of the whole device in front section;
fig. 3 is a schematic top view of the whole device of the present utility model.
In the figure: 1 box, 2 chamber doors, 3U formula mounting panel, 4 singlechip, 5 binding post, 6 data transmission ware, 7 electric energy meter, 8 multiunit cooling mechanism, 81 louvre, 82 frame plate, 83 induced air hole, 84 electric fan, 85 inlet tube, 86 heat exchanger fin, 87 outlet pipe, 88 temperature sensor, 89 solenoid valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present embodiment provides a technical solution: a low-voltage metering box with good heat dissipation performance comprises a box body 1 and a multi-combination heat dissipation mechanism 8;
Case 1: the front end of the box body is of an opening structure, so that an electric appliance is conveniently installed in the box body 1, the left end of the front surface of the box body 1 is hinged with a box door 2 through a hinge, the opening of the front end of the box body 1 is closed, the inner wall of the rear side of the box body 1 is provided with a U-shaped mounting plate 3, support is provided for installation of a low-voltage metering electric appliance, the front surface of the U-shaped mounting plate 3 is respectively provided with a singlechip 4, a wiring terminal 5, a data transmitter 6 and an electric energy meter 7, the input end of the singlechip 4 is electrically connected with an external power supply, starting and stopping of the whole device are controlled, the input end of the electric energy meter 7 is electrically connected with the output end of the wiring terminal 5, electric energy flowing in a low-voltage circuit is metered, the output end of the electric energy meter 7 is electrically connected with the input end of the singlechip 4, and the input end of the data transmitter 6 is electrically connected with the output end of the singlechip 4 so that measured electric energy data can be remotely transmitted to an external data receiving center by the data transmitter 6;
A multi-combination heat radiation mechanism 8: the multi-combination radiating mechanism 8 comprises radiating holes 81, the radiating holes 81 are respectively arranged on the left side surface and the right side surface of the box body 1, when the low-voltage metering box is used normally, the box body 1 is communicated with the outside through the radiating holes 81 to radiate heat in the box body 1, the inside of the box body 1 is radiated, the multi-combination radiating mechanism 8 also comprises a frame plate 82, an induced air hole 83 and an electric fan 84, the frame plate 82 is arranged on the left side inner wall of the box body 1, the induced air holes 83 are respectively arranged on the right side surface of the frame plate 82, the electric fans 84 are respectively arranged in the induced air holes 83, the input ends of the electric fans 84 are electrically connected with the output ends of the single chip microcomputer 4, when the internal temperature of the box body 1 exceeds a specified value but does not reach a dangerous value, the electric fans 84 are started through the single chip microcomputer 4 to push air to flow, the air flow between the inside and outside of the box body 1 is accelerated, the heat radiation is accelerated, the multi-combination heat dissipation mechanism 8 further comprises a water inlet pipe 85, a heat exchange plate 86, a water outlet pipe 87 and an electromagnetic valve 89, wherein the water inlet pipe 85 is arranged at the upper end of the right inner wall of the box body 1, the water outlet pipe 87 is arranged at the lower end of the right inner wall of the box body 1, the heat exchange plates 86 are respectively arranged between the water outlet pipe 87 and the water inlet pipe 85, the heat exchange plates 86 are hollow heat exchange plates, the water outlet pipe 87 and the water inlet pipe 85 are communicated with the inside of the heat exchange plates 86, the electromagnetic valve 89 is connected in series with the rear ends of the water outlet pipe 87 and the water inlet pipe 85, the input end of the electromagnetic valve 89 is electrically connected with the output end of the single chip microcomputer 4, when the internal temperature of the box body 1 exceeds a dangerous value, the electromagnetic valve 89 is opened, external cooling water flows into the water inlet pipe 85, the cooling water flows down along the inside of the heat exchange plates 86, the temperature of the air entering the box body 1 is reduced by the cooling water flow under the heat conduction of the heat exchange plates 86, and the heat absorption of the air is accelerated, the heat dissipation efficiency is improved, the multi-combination heat dissipation mechanism 8 further comprises a temperature sensor 88, the temperature sensor 88 is arranged on the inner wall of the rear side of the U-shaped mounting plate 3, the output end of the temperature sensor 88 is electrically connected to the input end of the single chip microcomputer 4, the temperature inside the box body 1 is detected, the heat exchange plates 86 are inclined backwards gradually from right to left, air entering the box body 1 is guided, the contact time between the heat exchange plates 86 and the air is prolonged, the U-shaped mounting plate 3 is an aluminum alloy U-shaped mounting plate, heat generated by the work of a low-voltage metering electric appliance is conducted, and the detection result of the temperature detection part is more accurate.
The working principle of the low-voltage metering box with good heat dissipation performance provided by the utility model is as follows: when the intelligent electric energy meter is used, the electric energy meter 7 is connected with an external low-voltage circuit through the wiring terminal 5, electric energy flowing in the low-voltage circuit is measured through the electric energy meter 7, and through the regulation and control of the single chip microcomputer 4, measured electric energy data are remotely transmitted to an external data receiving center through the data transmitter 6, the box 1 is communicated with the outside through the heat dissipation holes 81 in the electric energy measuring process, heat inside the box 1 is dissipated, in the heat dissipation process, under the heat conduction of the U-shaped mounting plate 3 made of aluminum alloy materials, the temperature of the working environment of the measuring electric appliance is detected through the temperature sensor 88, when the temperature exceeds a specified value but does not reach a dangerous value, the electric fan 84 is started through the single chip microcomputer 4, air is pushed to flow, the flow between the air inside and outside the box 1 is accelerated, heat dissipation is accelerated, when the temperature exceeds a dangerous value, the electromagnetic valve 89 is opened, external cooling water flow enters the inside the water inlet pipe 85, the cooling water flow falls along the inside the heat exchange plate 86, the air entering the box 1 is cooled through the cooling water flow, the heat conduction of the cooling plate 86, the temperature of the air is accelerated, the heat absorption efficiency of the air is accelerated, and the heat dissipation efficiency is improved.
It should be noted that, in the above embodiment, the single chip microcomputer 4 may be a single chip microcomputer of PIC16F1823-I/P type, the electric energy meter 7, the data transmitter 6, the electric fan 84, the electromagnetic valve 89 and the temperature sensor 88 may be freely configured according to the practical application scenario, the electric energy meter 7 may be a electric energy meter of DTM31 type, the data transmitter 6 may be a wireless data transmitter of CM6560P type, the electric fan 84 may be a heat dissipation fan of 12020 type, the electromagnetic valve 89 may be a high temperature electromagnetic valve of ZCG type, the temperature sensor 88 may be a temperature sensor of IMG-5449 type, and the single chip microcomputer 4 controls the electric energy meter 7, the data transmitter 6, the electric fan 84, the electromagnetic valve 89 and the temperature sensor 88 to operate by methods commonly used in the prior art.
The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present utility model and the accompanying drawings or which may be directly or indirectly employed in other related art are within the scope of the utility model.

Claims (7)

1. The utility model provides a low pressure batch meter that heat dispersion is good which characterized in that: comprises a box body (1) and a multi-combination heat dissipation mechanism (8);
Box (1): the front end of the box body (1) is of an opening structure, the left end of the front surface of the box body (1) is hinged with a box door (2) through a hinge, a U-shaped mounting plate (3) is arranged on the inner wall of the rear side of the box body (1), a single chip microcomputer (4), a wiring terminal (5), a data transmitter (6) and an electric energy meter (7) are respectively arranged on the front surface of the U-shaped mounting plate (3), the input end of the single chip microcomputer (4) is electrically connected with an external power supply, the input end of the electric energy meter (7) is electrically connected with the output end of the wiring terminal (5), the output end of the electric energy meter (7) is electrically connected with the input end of the single chip microcomputer (4), and the input end of the data transmitter (6) is electrically connected with the output end of the single chip microcomputer (4);
multiple combination heat dissipation mechanism (8): is arranged in the box body (1).
2. The low-voltage metering box with good heat dissipation performance according to claim 1, wherein: the multi-combination radiating mechanism (8) comprises radiating holes (81), and the radiating holes (81) are respectively arranged on the left side surface and the right side surface of the box body (1).
3. The low-voltage metering box with good heat dissipation performance according to claim 1, wherein: the multi-combination heat dissipation mechanism (8) further comprises a frame plate (82), an air guiding hole (83) and an electric fan (84), wherein the frame plate (82) is arranged on the left inner wall of the box body (1), the air guiding holes (83) are respectively formed in the right side face of the frame plate (82), the electric fan (84) is arranged in the air guiding holes (83), and the input end of the electric fan (84) is electrically connected to the output end of the single chip microcomputer (4).
4. The low-voltage metering box with good heat dissipation performance according to claim 1, wherein: the multi-combination heat dissipation mechanism (8) further comprises a water inlet pipe (85), heat exchange plates (86), a water outlet pipe (87) and an electromagnetic valve (89), wherein the water inlet pipe (85) is arranged at the upper end of the right side inner wall of the box body (1), the water outlet pipe (87) is arranged at the lower end of the right side inner wall of the box body (1), the heat exchange plates (86) are respectively arranged between the water outlet pipe (87) and the water inlet pipe (85), the heat exchange plates (86) are hollow heat exchange plates, the water outlet pipe (87) and the water inlet pipe (85) are all communicated with the inside of the heat exchange plates (86), the electromagnetic valve (89) is connected with the rear ends of the water outlet pipe (87) and the water inlet pipe (85) in series, and the input end of the electromagnetic valve (89) is electrically connected with the output end of the single chip microcomputer (4).
5. The low-voltage metering box with good heat dissipation performance according to claim 1, wherein: the multi-combination heat dissipation mechanism (8) further comprises a temperature sensor (88), the temperature sensor (88) is arranged on the inner wall of the rear side of the U-shaped mounting plate (3), and the output end of the temperature sensor (88) is electrically connected with the input end of the single chip microcomputer (4).
6. The low-voltage metering box with good heat dissipation performance according to claim 4, wherein: the heat exchange plates (86) are inclined backwards gradually from right to left.
7. The low-voltage metering box with good heat dissipation performance according to claim 1, wherein: the U-shaped mounting plate (3) is an aluminum alloy U-shaped mounting plate.
CN202323543776.1U 2023-12-25 2023-12-25 Low-voltage metering box with good heat dissipation performance Active CN221842200U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323543776.1U CN221842200U (en) 2023-12-25 2023-12-25 Low-voltage metering box with good heat dissipation performance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323543776.1U CN221842200U (en) 2023-12-25 2023-12-25 Low-voltage metering box with good heat dissipation performance

Publications (1)

Publication Number Publication Date
CN221842200U true CN221842200U (en) 2024-10-15

Family

ID=92999378

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323543776.1U Active CN221842200U (en) 2023-12-25 2023-12-25 Low-voltage metering box with good heat dissipation performance

Country Status (1)

Country Link
CN (1) CN221842200U (en)

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