CN212811049U - Low-voltage distribution control equipment - Google Patents
Low-voltage distribution control equipment Download PDFInfo
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- CN212811049U CN212811049U CN202021763872.0U CN202021763872U CN212811049U CN 212811049 U CN212811049 U CN 212811049U CN 202021763872 U CN202021763872 U CN 202021763872U CN 212811049 U CN212811049 U CN 212811049U
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Abstract
The utility model discloses a low-voltage distribution control device, which comprises a base, a distribution box body and a plurality of low-voltage distribution modules; the distribution box body is fixed on the base; the interior of the power distribution box body is divided into a plurality of cavities at intervals through partition plates, and a plurality of low-voltage power distribution modules are accommodated in the cavities; the bottom of the partition board is arranged on the base, and the top of the partition board and the top plate of the distribution box body are separated by 10-20 cm; the upper part of the side wall of the distribution box body is provided with a plurality of ventilation openings; a temperature sensor is arranged on a top plate of the power distribution box body, a groove is formed in the top plate, a heat dissipation plate provided with a plurality of through holes is arranged at the bottom of the groove, and a layer of filter screen covers the top of the groove; a driving motor and an electrical control box are fixed on the heat dissipation plate in the groove, and the driving motor is respectively connected with the fan and the electrical control box; a controller and a relay are arranged in the electric control box; the controller is respectively connected with the temperature sensor, the relay KM1 and the driving motor; the controller is connected with a coil of the relay KM1, and a contact of the relay KM1 is connected with the driving motor.
Description
Technical Field
The utility model belongs to the technical field of electrical equipment, concretely relates to low pressure distribution control equipment.
Background
The low-voltage distribution system is composed of a distribution substation (generally, the transmission voltage of a power grid is reduced to a distribution voltage), a high-voltage distribution line (namely, the voltage is more than 1 kilovolt), a distribution transformer, a low-voltage distribution line (the voltage is less than 1 kilovolt) and corresponding control protection equipment.
The low-voltage distribution equipment comprises:
low-voltage circuit breaker: the low-voltage circuit breaker is also called an automatic switch, and is an electric appliance which not only has the function of a manual switch, but also can automatically perform voltage loss, undervoltage, overload and short-circuit protection. It can be used for distributing electric energy, starting asynchronous motor infrequently, protecting power supply circuit and motor, etc., when they are in serious overload or short circuit and under-voltage, etc. faults, it can automatically cut off circuit, its function is equivalent to the combination of fuse type switch and over-and under-heat relay, etc., and after breaking fault current, it has no need of changing parts, so that it can be extensively used.
A circuit breaker accessory.
Miniature circuit breaker: the miniature circuit breaker, abbreviated as MCB, is a terminal protection electrical appliance which is widely used in electrical terminal distribution devices of buildings.
A molded case circuit breaker: the molded case circuit breaker can automatically cut off the current after the current exceeds the trip setting. Plastic housing refers to the use of plastic insulators as the outer housing of the device to isolate the conductors from each other and from the grounded metal parts. Molded case circuit breakers typically contain a thermo-magnetic trip unit, while large molded case circuit breakers are equipped with a solid state trip sensor.
A frame type circuit breaker.
Intelligent universal circuit breaker.
The existing low-voltage equipment is widely used in various places, the environmental temperature is very high in summer, and the low-voltage equipment is electrified to generate heat, high-temperature gas in the low-voltage equipment is discharged in time and gathered in a distribution box body of the low-voltage equipment, the temperature is suddenly increased, the normal work of the low-voltage distribution equipment can be influenced, and a fire disaster can be caused in serious cases.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the above-mentioned among the prior art not enough, provide a low pressure distribution controlgear to solve at high temperature environment during operation, the internal high-temperature gas of low-voltage distribution box can not in time discharged problem.
In order to achieve the purpose, the utility model adopts the technical proposal that:
a low-voltage distribution control device comprises a base, a distribution box body and a plurality of low-voltage distribution modules; the distribution box body is fixed on the base;
the interior of the power distribution box body is divided into a plurality of cavities at intervals through partition plates, and a plurality of low-voltage power distribution modules are accommodated in the cavities; the bottom of the partition board is arranged on the base, and the top of the partition board and the top plate of the distribution box body are separated by 10-20 cm; the upper part of the side wall of the distribution box body is provided with a plurality of ventilation openings; a temperature sensor is arranged on a top plate of the power distribution box body, a groove is formed in the top plate, a heat dissipation plate provided with a plurality of through holes is arranged at the bottom of the groove, and a layer of filter screen covers the top of the groove; a driving motor and an electrical control box are fixed on the heat dissipation plate in the groove, and the driving motor is respectively connected with the fan and the electrical control box; a controller and a relay are arranged in the electric control box; the controller is respectively connected with the temperature sensor, the relay KM1 and the driving motor; the controller is connected with a coil of the relay KM1, and a contact of the relay KM1 is connected with the driving motor; the top plate is connected with the ceiling through a plurality of support columns.
Furthermore, a threaded hole is formed in the top plate.
Furthermore, the external threads are arranged at the two ends of the supporting column and are respectively connected with the top plate and the ceiling through threaded connection.
Further, the controller is an AT89S51 singlechip.
Further, the temperature sensor is a DS18B20 temperature sensor.
Further, the groove is arranged at the geometric center of the top plate.
Furthermore, the electric control box also comprises a power supply connected with the controller.
The utility model provides a low pressure distribution control equipment has following beneficial effect:
the utility model discloses think about ingeniously, set up the recess on distribution box's roof to set up the fan in the recess, when the ambient temperature in the distribution box was too high, open the fan and derive the steam in the distribution box (the principle is the same with the air exhauster), and then reduce the internal ambient temperature of distribution box, protection low pressure distribution module.
The internal installation temperature sensor of low-voltage distribution box, the temperature information in the environment is gathered in real time to with in temperature information conveys the controller, when the temperature reached preset temperature value, controller control relay KM1 coil got the electricity, and then relay KM1 contact got the electricity, made driving motor got the operation of electric drive fan, take out the steam in the distribution box, reduced the internal ambient temperature of distribution box.
Drawings
Fig. 1 is a block diagram of a low voltage distribution control device.
Fig. 2 is a top plan view of a low voltage distribution control device.
Fig. 3 is an electrical control box circuit of the low-voltage distribution control device.
Wherein, 1, a base; 2. a distribution box body; 3. a ceiling; 4. a cavity; 5. a top plate; 6. a support pillar; 7. filtering with a screen; 8. a drive motor; 9. a fan; 10. a groove; 11. a heat dissipation plate; 12. a low voltage power distribution module; 13. an electrical control box; 14. a temperature sensor; 15. a vent; 16. a partition plate; 17. a threaded bore.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes may be made apparent to those skilled in the art within the spirit and scope of the present invention as defined and defined by the appended claims.
According to an embodiment of the present application, referring to fig. 1 and fig. 2, the low voltage distribution control device of the present solution includes a base 1, a distribution box body 2 and a plurality of low voltage distribution modules 12, the distribution box body 2 is fixed on the base 1, and the low voltage distribution modules 12 include low voltage circuit breakers, circuit breaker accessories, miniature circuit breakers, molded case circuit breakers and other low voltage devices, which are not listed herein.
The interior of the distribution box body 2 is separated into a plurality of cavities 4 at intervals through partition plates 16, and the low-voltage distribution module 12 is accommodated in the cavities 4. The partition board 16 is inserted on the base 1, and the top of the partition board 16 is separated from the top plate 5 of the distribution box body 2 by 10-20cm, preferably 15cm, and is used for communicating the plurality of cavities 4 and facilitating the leading-out of most hot air in the distribution box body 2 when the fan 9 draws air.
A plurality of vent 15 is seted up on distribution box 2's lateral wall upper portion, and after the steam in distribution box 2 was derived, atmospheric pressure in distribution box 2 reduced, and the air that outside temperature is lower relatively then can be because of the pressure differential gets into in distribution box 2.
Temperature sensor 14 is installed on distribution box 2 roof 5, and temperature sensor 14 chooses for use DS18B20 temperature sensor 14 for the temperature information in real time collection distribution box 2, and upload the temperature information who gathers to the controller in.
Set up recess 10 in the roof 5, recess 10 bottom heating panel 11, seted up a plurality of through-holes on the heating panel 11 for the derivation of steam.
The top of the groove 10 is covered with a layer of filter screen 7, so that impurities are prevented from entering the groove 10 and further entering the distribution box body 2.
The electric control box 13 and the driving motor 8 are fixed on the heat dissipation plate 11, the driving motor 8 is used for driving the fan 9 to rotate, and the driving motor 8 is controlled by a controller in the electric control box 13.
Referring to fig. 3, a controller and a relay are provided in the electric control box 13; the controller is respectively connected with the temperature sensor 14, the relay KM1 and the driving motor 8; the controller is connected with a coil of a relay KM1, and a contact of the relay KM1 is connected with the driving motor 8.
Wherein, the controller is preferred AT89S51 singlechip, still includes the power in the electric control box 13, and the power can be rechargeable battery also can be the dry battery for supply power for AT89S51 singlechip and driving motor 8.
Roof 5 is connected with ceiling 3 through a plurality of support columns 6, and the external screw thread is all seted up at 6 both ends of support column to be connected with roof 5 and ceiling 3 respectively through threaded connection, be convenient for installation and dismantlement.
The top plate 5 is provided with a threaded hole 17 for matching with the support column 6.
The working principle of the embodiment is as follows:
DS18B20 temperature sensor 14 gathers the temperature information in the environment in real time to convert temperature information to the signal of telecommunication and convey to in the AT89S51 singlechip, when the temperature reaches preset temperature value, AT89S51 singlechip control relay KM1 coil gets electric, and then the relay KM1 contact is closed and gets electric, makes driving motor 8 get the operation of electric drive fan 9, takes out the steam in the distribution box 2, reduces the ambient temperature in the distribution box 2.
The utility model discloses think about ingenious, set up recess 10 on distribution box 2's roof 5 to set up fan 9 in recess 10, when the ambient temperature in distribution box 2 was too high, open fan 9 and derive the steam in distribution box 2 (the principle is the same with the air exhauster), and then reduce the ambient temperature in distribution box 2, protection low pressure distribution module 12.
While the present invention has been described in detail with reference to the embodiments, the scope of the present invention should not be limited to the embodiments. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.
Claims (7)
1. A low voltage distribution control device, characterized by: the power distribution box comprises a base, a power distribution box body and a plurality of low-voltage power distribution modules; the distribution box body is fixed on the base;
the interior of the power distribution box body is divided into a plurality of cavities at intervals through partition plates, and a plurality of low-voltage power distribution modules are accommodated in the cavities; the bottom of the partition board is arranged on the base, and the top of the partition board is 10-20cm away from the top plate of the distribution box body; a plurality of ventilation openings are formed in the upper part of the side wall of the distribution box body; a temperature sensor is mounted on a top plate of the power distribution box body, a groove is formed in the top plate, a heat dissipation plate provided with a plurality of through holes is arranged at the bottom of the groove, and a layer of filter screen covers the top of the groove; a driving motor and an electric control box are fixed on the heat dissipation plate in the groove, and the driving motor is respectively connected with the fan and the electric control box; a controller and a relay are arranged in the electric control box; the controller is respectively connected with the temperature sensor, the relay KM1 and the driving motor; the controller is connected with a coil of the relay KM1, and a contact of the relay KM1 is connected with the driving motor; the top plate is connected with the ceiling through a plurality of support columns.
2. The low voltage distribution control device of claim 1, wherein: and the top plate is provided with a threaded hole.
3. The low voltage distribution control device of claim 1, wherein: and external threads are formed at the two ends of the supporting column and are respectively connected with the top plate and the ceiling through threaded connection.
4. The low voltage distribution control device of claim 1, wherein: the controller is an AT89S51 singlechip.
5. The low voltage distribution control device of claim 1, wherein: the temperature sensor is a DS18B20 temperature sensor.
6. The low voltage distribution control device of claim 1, wherein: the groove is arranged at the geometric center of the top plate.
7. The low voltage distribution control device of claim 1, wherein: the electric control box also comprises a power supply connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021763872.0U CN212811049U (en) | 2020-08-21 | 2020-08-21 | Low-voltage distribution control equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021763872.0U CN212811049U (en) | 2020-08-21 | 2020-08-21 | Low-voltage distribution control equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212811049U true CN212811049U (en) | 2021-03-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021763872.0U Active CN212811049U (en) | 2020-08-21 | 2020-08-21 | Low-voltage distribution control equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212811049U (en) |
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2020
- 2020-08-21 CN CN202021763872.0U patent/CN212811049U/en active Active
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