Distribution network communication independent power box

Abstract

The utility model discloses an independent power box for distribution network communication. The independent power box comprises a cabinet. The interior of the case is divided into an equipment cabin and a battery cabin; a power distribution unit, a communication power supply and communication equipment are respectively arranged in the equipment cabin; the power distribution unit is electrically connected with the communication power supply; the communication power supply is electrically connected with the communication equipment; a battery is arranged in the battery cabin; the battery is electrically connected with the communication equipment; a case door which can be opened outwards is mounted on the case through a door lock; a heat exchanger is arranged in the box door; hot air in the equipment compartment dissipates heat to the outside through the heat exchanger. According to the utility model, by arranging the heat exchanger, the internal air of the equipment cabin and the battery cabin can be subjected to heat exchange with the external air, so that the temperature in the case is kept within a proper range, the normal work of the equipment in the case is ensured, and a reliable-48V direct-current power supply is provided for the distribution network communication equipment.

Description

Technical Field

[0001] The utility model relates to the technical field of power supply boxes, in particular to an independent power supply box for distribution network communication. Background Art

[0002] The distribution network communication independent power supply is a micro DC power supply device, which integrates high-frequency switching power supply, intelligent charging, AC / DC conversion, battery management and other functional modules as well as maintenance-free lithium batteries into a whole, providing a reliable -48V DC power supply for distribution network communication equipment; the existing distribution network communication independent power supply box has poor temperature control effect, and it is difficult to keep the equipment in the chassis within a suitable temperature range, which affects the normal operation of the equipment. Therefore, it is necessary to provide a distribution network communication independent power supply box with good heat dissipation effect to solve the above technical problems. Utility Model Content

[0003] In view of the technical problems existing in the prior art, the utility model provides an independent power supply box for distribution network communication. By arranging a heat exchanger, the internal air of the equipment compartment and the battery compartment can exchange heat with the external air, so that the temperature inside the chassis is maintained within an appropriate range, ensuring the normal operation of the equipment in the chassis and providing a reliable -48V DC power supply for the distribution network communication equipment.

[0004] The utility model is realized by the following technical solutions:

[0005] A distribution network communication independent power supply box, comprising a chassis; wherein: the interior of the chassis is divided into an equipment compartment and a battery compartment; a distribution unit, a communication power supply and a communication device are respectively arranged in the equipment compartment; the distribution unit is electrically connected to the communication power supply; the communication power supply is electrically connected to the communication device; a battery is arranged in the battery compartment; the battery is electrically connected to the communication device; a door that can be opened outwards is installed on the chassis through a door lock; a heat exchanger is arranged in the door; hot air in the equipment compartment dissipates heat to the outside through the heat exchanger.

[0006] As a further improvement of the technical solution of the utility model, the battery compartment is connected to the external circulation of the heat exchanger, and the heat is directly dissipated through external air.

[0007] As a further improvement of the technical solution of the utility model, a TEC cooler / heater is provided in the door; the battery compartment maintains a suitable temperature of the battery through the TEC cooler / heater.

[0008] As a further improvement of the technical solution of the utility model, the communication power supply is respectively integrated with an AC input air switch, an AC lightning arrester, a DC air switch, a DC lightning arrester, a monitoring module, a rectifier module and a fuse.

[0009] As a further improvement of the technical solution of the utility model, the heat exchanger is mainly composed of an inner circulation air duct, an outer circulation air duct and a frame.

[0010] As a further improvement of the technical solution of the utility model, the TEC refrigeration / heater is mainly composed of a TEC control panel, an external circulation fan, an external radiator, an internal circulation fan and an internal radiator.

[0011] As a further improvement of the technical solution of the utility model, the battery compartment is provided with a battery compartment 1U heater; the battery compartment 1U heater is respectively provided with an indicator light, a dry contact alarm, a dry contact control and a power supply interface.

[0012] As a further improvement of the technical solution of the utility model, a heat exchanger duct and a TEC duct are provided on the cabinet door; the heat exchanger exchanges heat with the external air through the heat exchanger duct; the TEC cooler / heater exchanges heat with the external air through the TEC duct.

[0013] As a further improvement of the technical solution of the utility model, a sunshade is provided on the top of the chassis; and a vent is provided between the sunshade and the chassis.

[0014] As a further improvement of the technical solution of the utility model, a sealing structure is provided between the box door and the box; the sealing structure is composed of a waterproof labyrinth structure and a rubber ring.

[0015] Beneficial effects of the utility model:

[0016] The utility model provides a heat exchanger so that the hot air inside the equipment compartment dissipates heat to the outside through the heat exchanger, so that the temperature inside the chassis is maintained within an appropriate range, ensuring the normal operation of the equipment in the chassis, effectively increasing the service life of the equipment, reducing maintenance costs, and providing a reliable -48V DC power supply for the distribution network communication equipment; the TEC cooler / heater has heating and cooling functions, so that the battery compartment maintains a suitable temperature for the battery through TEC cooling / heating of the TEC cooler / heater, thereby ensuring stable power supply to the battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is one of the overall structural schematic diagrams of an independent power supply box for distribution network communication according to an embodiment of the utility model;

[0018] Figure 2 This is the second overall structural schematic diagram of an independent power supply box for distribution network communication according to an embodiment of the utility model;

[0019] Figure 3 This is one of the sealing structure schematic diagrams of an independent power supply box for distribution network communication according to an embodiment of the utility model;

[0020] Figure 4 This is a second schematic diagram of a sealing structure of an independent power supply box for distribution network communication according to an embodiment of the utility model;

[0021] Figure 5 This is a schematic diagram of the heat exchanger structure of an embodiment of the utility model;

[0022] Figure 6 This is a schematic diagram of the TEC cooling / heating structure of an embodiment of the utility model;

[0023] Figure 7 This is a schematic diagram of the structure of a 1U heater for a battery compartment according to an embodiment of the utility model;

[0024] Figure 8 This is a framework diagram of the working principle of the communication power supply of the embodiment of the utility model;

[0025] Fig. 9 This is one of the working intentions of a temperature control system of a distribution network communication independent power supply box in the embodiment of the utility model;

[0026] Fig.10 This is the second working schematic diagram of a temperature control system of an independent power supply box for distribution network communication according to an embodiment of the utility model.

[0027] In the attached figure: 1-sunshade; 2-chassis; 3-heat exchanger air duct; 4-door lock; 5-TEC air duct; 6-box door; 7-power distribution unit; 8-communication power supply; 9-communication equipment; 10-battery; 11-heat exchanger; 12-TEC cooling / heater; 13-battery compartment 1U heater; 14-sealing structure; 15-internal and external circulation isolation; 21-equipment compartment; 22-battery compartment; 111-internal circulation air duct; 112-external circulation air duct; 113-frame; 121-TEC control board; 122-external circulation fan; 123-external radiator; 124-internal circulation fan; 125-internal radiator; 131-indicator light; 132-dry contact alarm; 133-dry contact control; 134-power interface; 141-waterproof maze structure; 142-rubber ring. DETAILED DESCRIPTION

[0028] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. The illustrative embodiments and descriptions of the present invention are used to explain the present invention, but are not intended to limit the present invention.

[0029] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, upper end, lower end, top, bottom...) are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0030] In the present invention, unless otherwise clearly specified and limited, the term "connection" should be understood in a broad sense, for example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] In addition, in the present utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features; in addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0032] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0033] Reference Figure 1 and Figure 2 The utility model relates to a distribution network communication independent power supply box, including a chassis 2; wherein: the chassis 2 is divided into an equipment compartment 21 and a battery compartment 22; the equipment compartment 21 is respectively provided with a power distribution unit 7, a communication power supply 8 and a communication device 9; the power distribution unit 7 is electrically connected to the communication power supply 8; the communication power supply 8 is electrically connected to the communication device 9; the battery compartment 22 is provided with a battery 10; the battery 10 is electrically connected to the communication device 9; the chassis 2 is provided with a door 6 that can be opened outwards through a door lock 4; a heat exchanger 11 is provided in the door 6; the hot air inside the equipment compartment 21 dissipates heat to the outside through the heat exchanger 11. It should be noted that the utility model, by providing the heat exchanger 11, allows the hot air inside the equipment compartment 21 to dissipate heat to the outside through the heat exchanger 11, so that the temperature inside the chassis 2 is kept within a suitable range, ensuring the normal operation of the equipment in the chassis 2, effectively improving the service life of the equipment, reducing the maintenance cost, and providing a reliable -48V DC power supply for the distribution network communication equipment.

[0034] Reference Fig.10Specifically, in this embodiment, the battery compartment 22 is connected to the external circulation of the heat exchanger 11, and the heat is directly dissipated through the external air. It should be noted that the battery compartment 22 dissipates heat to the external air through the external circulation of the heat exchanger 11, so that the temperature in the battery compartment 22 is maintained within a suitable range, which is conducive to the battery 10 to provide stable power to the communication device 9. An internal and external circulation isolation 15 is also provided between the internal and external circulations of the heat exchanger 11.

[0035] Reference Figure 3 and Fig. 9 Specifically, in this embodiment, the box door 6 is provided with a TEC cooling / heating device 12; the battery compartment 22 maintains a suitable temperature of the battery 10 through the TEC cooling / heating device 12. It should be noted that the TEC cooling / heating device 12 has heating and cooling functions, so that the battery compartment 22 maintains a suitable temperature of the battery 10 through the TEC cooling / heating device 12, thereby ensuring stable power supply of the battery 10.

[0036] Specifically, in this embodiment, the communication power supply 8 is integrated with an AC input air switch, an AC lightning arrester, a DC air switch, a DC lightning arrester, a monitoring module, a rectifier module and a fuse, which ensures that the communication power supply 8 can operate normally in a Class C environment. It should be noted that the working principle of the communication power supply 8 is as follows: Figure 8 As shown, AC power enters the rectifier module through the AC distribution unit 7, and the rectifier outputs -48V DC power, which is distributed by the DC distribution unit to power multiple loads; the power supply system also provides charging current for the battery 10; when the AC power is off, the battery 10 directly supplies power to the DC load. When the AC is restored, the rectifier module works again and charges the battery 10. The monitoring unit performs intelligent control in real time according to the operating status of each system and component, and uploads real-time alarm data. At the same time, the temperature control unit adjusts the temperature controller accordingly according to the temperature detected by the sensor, so that the temperature inside the chassis 2 is kept within an appropriate range, ensuring the normal operation of the equipment in the chassis 2.

[0037] Reference Figure 5 Specifically, in this embodiment, the heat exchanger 11 is mainly composed of an inner circulation air duct 111, an outer circulation air duct 112 and a frame 113. It should be noted that the heat exchange efficiency of the heat exchanger 11 is effectively improved by providing the inner circulation air duct 111 and the outer circulation air duct 112, and the heat dissipation capacity of the chassis 2 is further improved.

[0038] Reference Figure 6 Specifically, in this embodiment, the TEC cooling / heating device 12 is mainly composed of a TEC control board 121 , an external circulation fan 122 , an external radiator 123 , an internal circulation fan 124 and an internal radiator 125 .

[0039] Reference Figure 7 Specifically, in this embodiment, the battery compartment 22 is provided with a battery compartment 1U heater 13; the battery compartment 1U heater 13 is respectively provided with an indicator light 131, a dry contact alarm 132, a dry contact control 133 and a power interface 134.

[0040] Reference Figure 1 Specifically, in this embodiment, a heat exchanger duct 3 and a TEC duct 5 are provided on the cabinet door 6; the heat exchanger 11 exchanges heat with the external air through the heat exchanger duct 3; and the TEC cooler / heater 12 exchanges heat with the external air through the TEC duct 5.

[0041] Reference Figure 1 and Figure 2 Specifically, in this embodiment, a sunshade 1 is provided on the top of the chassis 2; a vent is provided between the sunshade 1 and the chassis 2. It should be noted that the sunshade 1 can effectively prevent direct sunlight from shining on the chassis 2, and the vent is conducive to the heat dissipation of the chassis 2, so that the internal temperature of the chassis 2 is maintained within a suitable temperature range.

[0042] Reference Figure 3 and Figure 4 Specifically, in this embodiment, a sealing structure 14 is provided between the box door 6 and the box 2; the sealing structure 14 is composed of a waterproof labyrinth structure 141 and a rubber ring 142. It should be noted that the sealing structure 14 ensures that rainwater does not penetrate into the box 2, thereby preventing rainwater from damaging the internal equipment of the box 2 and effectively extending the service life of the equipment.

[0043] Compared with the existing technology, the beneficial effects of the utility model are:

[0044] The utility model sets a heat exchanger 11 so that the hot air inside the equipment compartment 21 can dissipate heat to the outside through the heat exchanger 11, so that the temperature inside the chassis 2 is maintained within an appropriate range, ensuring the normal operation of the equipment in the chassis 2, effectively improving the service life of the equipment, and reducing maintenance costs. At the same time, a reliable -48V DC power supply is provided for the distribution network communication equipment 9; the TEC cooler / heater 12 has heating and cooling functions, so that the battery compartment 22 maintains a suitable temperature of the battery through TEC cooling / heating of the TEC cooler / heater 12, thereby ensuring stable power supply of the battery.

[0045] The technical solutions provided by the embodiments of the present invention are introduced in detail above. Specific examples are used in this article to illustrate the principles and implementation methods of the embodiments of the present invention. The description of the above embodiments is only applicable to help understand the principles of the embodiments of the present invention. At the same time, for those skilled in the art, according to the embodiments of the present invention, there will be changes in the specific implementation methods and application scopes. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. A distribution network communication independent power supply box, comprising a chassis; characterized in that: The interior of the chassis is divided into an equipment compartment and a battery compartment; a power distribution unit, a communication power supply and a communication device are respectively arranged in the equipment compartment; the power distribution unit is electrically connected to the communication power supply; the communication power supply is electrically connected to the communication device; a battery is arranged in the battery compartment; the battery is electrically connected to the communication device; a door that can be opened outwards is installed on the chassis through a door lock; A heat exchanger is arranged in the door; hot air in the equipment compartment dissipates heat to the outside through the heat exchanger.

2. According to claim 1, the independent power supply box for distribution network communication is characterized in that: The battery compartment is in external circulation communication with the heat exchanger, and heat is directly dissipated through external air.

3. The independent power supply box for distribution network communication according to claim 1 is characterized in that: A TEC cooler / heater is provided in the box door; the battery compartment maintains a suitable temperature of the battery through the TEC cooler / heater.

4. The independent power supply box for distribution network communication according to claim 1, characterized in that: The communication power supply is respectively integrated with an AC input air switch, an AC lightning arrester, a DC air switch, a DC lightning arrester, a monitoring module, a rectifier module and a fuse.

5. The independent power supply box for distribution network communication according to claim 1, characterized in that: The heat exchanger is mainly composed of an inner circulation air duct, an outer circulation air duct and a frame.

6. The independent power supply box for distribution network communication according to claim 3 is characterized in that: The TEC refrigeration / heater is mainly composed of a TEC control panel, an external circulation fan, an external radiator, an internal circulation fan and an internal radiator.

7. The independent power supply box for distribution network communication according to claim 1, characterized in that: The battery compartment is provided with a battery compartment 1U heater; the battery compartment 1U heater is respectively provided with an indicator light, a dry contact alarm, a dry contact control and a power supply interface.

8. The independent power supply box for distribution network communication according to claim 1, characterized in that: The door is provided with a heat exchanger duct and a TEC duct; the heat exchanger exchanges heat with the outside air through the heat exchanger duct; the TEC cooler / heater exchanges heat with the outside air through the TEC duct.

9. The independent power supply box for distribution network communication according to claim 1, characterized in that: A sunshade is arranged on the top of the chassis; and a vent is arranged between the sunshade and the chassis.

10. The independent power supply box for distribution network communication according to claim 1, characterized in that: A sealing structure is arranged between the box door and the box; the sealing structure is composed of a waterproof labyrinth structure and a rubber ring.

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