CN220440733U

CN220440733U - POE switch

Info

Publication number: CN220440733U
Application number: CN202321953137.XU
Authority: CN
Inventors: 吴占杰; 徐金亮; 吴永清
Original assignee: Wuhan Xianfeng Excellence Technology Co ltd
Current assignee: Wuhan Xianfeng Excellence Technology Co ltd
Priority date: 2023-07-24
Filing date: 2023-07-24
Publication date: 2024-02-02
Anticipated expiration: 2033-07-24

Abstract

The utility model discloses a POE exchanger, which comprises a waterproof shell, wherein one side of the waterproof shell is provided with a plurality of groups of net twine jacks, the bottom of the waterproof shell is fixedly connected with a heat dissipation metal plate through screws, a heat exchange sheet is fixedly connected above the heat dissipation metal plate, two groups of refrigeration slots are formed between the heat exchange sheet and the heat dissipation metal plate, a semiconductor refrigeration sheet is inserted into each refrigeration slot, and a heat dissipation blowing strip is fixedly arranged on one side below the waterproof shell through bolts.

Description

POE switch

Technical Field

The utility model relates to the technical field of switches, in particular to a POE switch.

Background

The POE switch refers to a device that can provide dc power for some IP-based terminals (such as IP phones, wireless lan access points AP, network cameras, etc.) while transmitting data signals for such devices without any modification to the existing ethernet cat.5 wiring infrastructure, and the POE technology can ensure the normal operation of the existing network while ensuring the security of the existing structured wiring, thereby minimizing the cost.

Some POE switches need to be used in outdoor places, and outdoor weather is changeable, so this kind of POE switch needs better sealing waterproof performance, in order to avoid the trouble of intaking, such as chinese patent CN202221699556.0 an outdoor waterproof function's POE switch just has adopted totally closed switch shell, but this also brings other problems, POE switch can produce the heat at the during operation, consequently need dispel the heat, traditional POE switch usually adopts forced air cooling heat dissipation or vent radiating mode, but these radiating modes all need to open the hole on the switch shell, obviously this can influence its shell leakproofness, and then influence waterproof, therefore the POE switch that the leakproofness is good, its heat dispersion will exist not enough, consequently we propose a POE switch, in order to solve the problem that above-mentioned proposes.

Disclosure of Invention

The utility model aims to provide a POE switch to solve the problem that the POE switch with the waterproof effect provided by the background art is poor in heat dissipation performance.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a POE switch, includes waterproof shell, waterproof shell one side is provided with multiunit net twine socket, be provided with the waterproof stopper of rubber on the net twine socket, waterproof shell bottom is through screw fixedly connected with heat dissipation metal sheet, heat dissipation metal sheet top fixedly connected with heat exchange piece, two sets of refrigeration slots have been seted up between heat exchange piece and the heat dissipation metal sheet, semiconductor refrigeration piece has been inserted in the refrigeration slot, waterproof shell below one side has the heat dissipation strip of blowing through bolt fixed mounting.

Preferably, the net wire jack is provided with a rubber waterproof plug, and one side of the rubber waterproof plug is connected above the net wire jack through an anti-lost connecting strip, so that water can be prevented from entering the net wire jack when the net wire jack is not used any more.

Preferably, the lower surface of the heat dissipation metal plate is provided with heat dissipation fins, two sides of each heat dissipation fin are provided with T-shaped supporting feet, the bottoms of the T-shaped supporting feet are lower than the heat dissipation fins, heat in the waterproof shell can be dissipated through the heat dissipation fins, and meanwhile, the T-shaped supporting feet can support the machine body to prevent the heat dissipation fins from deforming.

Preferably, the upper surface of the heat exchange sheet is provided with heat absorption fins, and the heat absorption fins are provided with circuit board mounting grooves, so that the heat absorption fins can absorb heat in the waterproof shell and then transfer the heat.

Preferably, the hot end of the semiconductor refrigeration piece is tightly attached to the heat dissipation metal plate, the cold end of the semiconductor refrigeration piece is tightly attached to the heat exchange piece, heat conduction silicone grease is coated between the semiconductor refrigeration piece and the heat dissipation metal plate as well as between the semiconductor refrigeration piece and the heat exchange piece, the semiconductor refrigeration piece can generate refrigeration effect on one side of the heat exchange piece and transfer heat to one side of the heat dissipation metal plate, and the heat conduction silicone grease can strengthen heat transfer efficiency.

Preferably, the heat dissipation metal plate, the heat dissipation fins and the T-shaped supporting legs are all made of aluminum and are integrally processed, the heat exchange sheets and the heat absorption fins are also integrally processed by aluminum, the aluminum has good heat conduction performance, heat can be quickly conducted out of the waterproof shell, meanwhile, the heat dissipation metal plate is lighter in weight and higher in strength, and the weight of the switch can be reduced.

Preferably, install the heat dissipation motor in the waterproof housing, the heat dissipation motor is located the heat dissipation strip both ends of blowing, the first helical gear of heat dissipation motor output fixedly connected with, first helical gear meshing has the second helical gear, second helical gear one end fixedly connected with transfer line, transfer line one end fixedly connected with radiator fan, the heat dissipation strip of blowing has seted up the air intake in transfer line department, the air outlet grid has been seted up to the strip inboard of blowing of heat dissipation to can blow in radiating fin one side for the air flow promotes radiating efficiency.

Preferably, the heat dissipation air blowing strip is positioned at one side of the heat dissipation metal plate, and the heat dissipation air blowing strip is mutually perpendicular to the heat dissipation fins, and the heat dissipation air blowing strip is higher than the T-shaped supporting legs, so that the heat dissipation air blowing strip is discharged

The air flow blown out by the air grid can flow along the gaps among the radiating fins, so that the radiating efficiency is improved.

Compared with the prior art, the utility model has the beneficial effects that:

1. through the arrangement of the fully-sealed waterproof shell and the rubber waterproof plug, the heatstroke prevention performance of the POE switch is ensured, rainwater can be prevented from entering the switch from a radiating opening on the traditional switch shell, meanwhile, the rubber waterproof plug can be plugged into a network cable interface when the switch is not used, the risk that water enters the switch shell from the network cable interface is avoided, and the waterproof performance of the switch is further improved;

2. through the arrangement of the heat dissipation metal plate, the semiconductor refrigerating sheet and the heat exchange sheet, active refrigeration and cooling can be carried out through the semiconductor refrigerating sheet, heat generated by an internal circuit of the switch is absorbed through the heat exchange sheet, and the heat is conducted to the outside through the heat dissipation metal plate, so that the heat dissipation method is different from the traditional air cooling heat dissipation, the method does not need to open holes in a switch shell, the waterproof performance of the heat dissipation method is not influenced, and the heat dissipation effect is far better than that of air cooling heat dissipation;

3. through the setting of heat dissipation strip of blowing, can rotate through heat dissipation motor drive radiator fan to drive the air current and flow, thereby can take away the heat on the fin fast, promote radiating efficiency, can also prevent that the dust from gathering in the gap of fin, can reduce the maintenance number of times.

Drawings

FIG. 1 is a schematic diagram of a network jack structure of the present utility model;

FIG. 2 is a schematic view of the bottom structure of the waterproof case of the present utility model;

FIG. 3 is a schematic view of a heat dissipating fin according to the present utility model;

FIG. 4 is a schematic view of a semiconductor refrigeration sheet according to the present utility model;

FIG. 5 is a schematic view of a heat dissipating blower bar according to the present utility model;

fig. 6 is an enlarged schematic view of the structure of fig. 5 a according to the present utility model.

In the figure: 1. a waterproof housing; 2. a network cable jack; 3. a rubber waterproof plug; 301. anti-lost connecting strips; 4. a heat-radiating metal plate; 5. a heat radiation fin; 6. t-shaped supporting legs; 7. a heat exchange sheet; 8. a refrigeration slot; 9. a semiconductor refrigeration sheet; 10. a heat absorbing fin; 11. a circuit board mounting slot; 12. a heat dissipation blowing strip; 13. a heat dissipation motor; 14. a first helical gear; 15. a second helical gear; 16. a transmission rod; 17. a heat radiation fan; 18. an air inlet; 19. and an air outlet grid.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-6, the present utility model provides the following schemes:

the utility model provides a POE switch, including waterproof case 1, waterproof case 1 one side is provided with multiunit net twine socket 2, be provided with rubber waterproof plug 3 on the net twine socket 2, rubber waterproof plug 3 one side is connected in net twine socket 2 top through anti-lost connecting strip 301, when meeting rainy weather, can utilize rubber waterproof plug 3 to block up net twine socket 2, thereby avoid the rainwater to get into inside waterproof case 1 through net twine socket 2, rubber waterproof plug 3 passes through anti-lost connecting strip 301 to be connected in net twine socket 2 top, can avoid rubber waterproof plug 3 to lose, and waterproof case 1 sealing performance is good, do not have holes such as thermovent, make the rainwater unable infiltration waterproof case 1 inside;

the bottom of the waterproof shell 1 is fixedly connected with a radiating metal plate 4 through screws, radiating fins 5 are machined on the lower surface of the radiating metal plate 4, T-shaped supporting legs 6 are machined on two sides of the radiating fins 5, the bottom ends of the T-shaped supporting legs 6 are lower than the radiating fins 5, heat can be gradually conducted into air outside the waterproof shell 1 through the radiating fins 5 when gathered on the radiating metal plate 4, the T-shaped supporting legs 6 can lift the waterproof shell 1, the space between the radiating fins 5 and the ground is increased, radiating efficiency is improved, and meanwhile deformation of the radiating fins 5 can be prevented;

the heat exchange plate 7 is fixedly connected above the heat dissipation metal plate 4, the upper surface of the heat exchange plate 7 is provided with the heat absorption fins 10, the heat absorption fins 10 are provided with the circuit board mounting grooves 11, when the heat exchanger works for a long time, the internal chip can generate heat, and the circuit board with the chip is arranged in the circuit board mounting grooves 11 on the heat absorption fins 10, so that the heat can be quickly conducted to the heat exchange plate 7 through the heat absorption fins 10, the heat absorption fins 10 also increase the surface area of the heat exchange plate 7 contacted with air, and the heat absorption efficiency is greatly improved;

two groups of refrigerating slots 8 are formed between the heat exchange sheet 7 and the heat dissipation metal plate 4, a semiconductor refrigerating sheet 9 is inserted into each refrigerating slot 8, the hot end of each semiconductor refrigerating sheet 9 is tightly attached to the heat dissipation metal plate 4, the cold end of each semiconductor refrigerating sheet 9 is tightly attached to the heat exchange sheet 7, heat conduction silicone grease is coated between each semiconductor refrigerating sheet 9 and the heat dissipation metal plate 4 as well as between each semiconductor refrigerating sheet 9 and the heat exchange sheet 7, heat on each heat exchange sheet 7 can be quickly conducted to one side of the heat dissipation metal plate 4 through the Peltier effect when the semiconductor refrigerating sheet 9 works, and the semiconductor refrigerating sheet 9 is tightly contacted with the heat dissipation metal plate 4 and the heat exchange sheet 7 and is coated with a heat conduction silicone grease shell to improve heat conduction efficiency, so that local overheating is avoided;

the heat dissipation metal plate 4, the heat dissipation fins 5 and the T-shaped supporting legs 6 are all made of aluminum and are integrally processed, the heat exchange sheets 7 and the heat absorption fins 10 are also integrally processed by aluminum, the aluminum has good heat conduction performance, heat can be quickly conducted out of the waterproof shell 1, meanwhile, the heat dissipation metal plate is lighter in weight and higher in strength, and the weight of the exchanger can be reduced;

the waterproof shell 1 below one side is through bolt fixed mounting heat dissipation strip 12 that bloies, install heat dissipation motor 13 in the waterproof shell 1, heat dissipation motor 13 is located heat dissipation strip 12 both ends that bloies, heat dissipation motor 13 output fixedly connected with first helical gear 14, first helical gear 14 meshing has second helical gear 15, second helical gear 15 one end fixedly connected with transfer line 16, transfer line 16 one end fixedly connected with radiator fan 17, heat dissipation strip 12 has seted up air intake 18 in transfer line 16 department, the inboard of heat dissipation strip 12 has seted up air outlet grid 19, heat dissipation strip 12 is located heat dissipation metal sheet 4 one side, and heat dissipation strip 12 and fin 5 mutually perpendicular, heat dissipation strip 12 is higher than T shape supporting legs 6, heat dissipation motor 13 at heat dissipation strip 12 both ends can drive first helical gear 14 rotation when starting, first helical gear 14 can drive the second helical gear 15 rotation rather than meshing, can drive radiator fan 17 rotation through transfer line 16 when second helical gear 15 rotates, can inhale the air from air intake 18 department when radiator fan 19 rotates, and through air outlet grid 19 to fin 5, heat dissipation strip 5 and fin 5 mutually perpendicular, thereby the heat dissipation efficiency of heat dissipation strip 12 can be blown away from the air outlet grid 5, the heat dissipation efficiency of cooling strip 5 is accelerated, and the heat dissipation strip is blown away from the heat dissipation fin 5 is mutually perpendicular.

Working principle: when the POE switch is used in an outdoor place, when rainy days are met, the rubber waterproof plug 3 can be used for blocking the net wire jack 2, so that rainwater is prevented from entering the waterproof shell 1 through the net wire jack 2, the rubber waterproof plug 3 is connected above the net wire jack 2 through the anti-lost connecting strip 301, the rubber waterproof plug 3 can be prevented from being lost, the waterproof shell 1 is excellent in sealing performance, holes such as a heat dissipation hole are not formed, and the rainwater cannot permeate into the waterproof shell 1;

when the heat exchanger works for a long time, the internal chip can generate heat, the circuit board with the chip is arranged in the circuit board mounting groove 11 on the heat absorption fin 10, so that the heat can be quickly conducted to the heat exchange sheet 7 through the heat absorption fin 10, meanwhile, the heat absorption fin 10 also increases the surface area of the heat exchange sheet 7 contacted with air, so that the heat absorption efficiency is greatly improved, the semiconductor refrigerating sheet 9 can quickly conduct the heat on the heat exchange sheet 7 to one side of the heat dissipation metal plate 4 through the Peltier effect when in operation, the semiconductor refrigerating sheet 9 is tightly contacted with the heat dissipation metal plate 4 and the heat exchange sheet 7 and is coated with the heat conduction silicone grease shell, the heat conduction efficiency is improved, the local overheating is avoided, and the heat can be gradually conducted to the air outside the waterproof shell 1 through the heat dissipation fin 5 when the heat is gathered on the heat dissipation metal plate 4;

the T-shaped supporting legs 6 can improve the support of the waterproof shell 1, can lift the waterproof shell 1, increase the space between the radiating fins 5 and the ground, improve the radiating efficiency, and can prevent the radiating fins 5 from deforming;

the heat dissipation motor 13 at two ends of the heat dissipation blowing strip 12 can drive the first bevel gear 14 to rotate when being started, the first bevel gear 14 can drive the second bevel gear 15 meshed with the first bevel gear 14 to rotate when rotating, the second bevel gear 15 can drive the heat dissipation fan 17 to rotate through the transmission rod 16, the heat dissipation fan 17 can suck air from the air inlet 18 when rotating and blow the air to the heat dissipation fins 5 through the air outlet grid 19, and because the heat dissipation blowing strip 12 and the heat dissipation fins 5 are mutually perpendicular, cold air blown out by the air outlet grid 19 can enter gaps of the heat dissipation fins 5 to take away heat, heat dissipation efficiency is accelerated, and a series of work is completed. What is not described in detail in this specification is prior art known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. POE switch, including waterproof shell (1), its characterized in that: waterproof shell (1) one side is provided with multiunit net twine socket (2), waterproof shell (1) bottom is through screw fixedly connected with heat dissipation metal sheet (4), heat dissipation metal sheet (4) top fixedly connected with heat exchange piece (7), two sets of refrigerating slot (8) have been seted up between heat exchange piece (7) and heat dissipation metal sheet (4), semiconductor refrigerating piece (9) have been inserted in refrigerating slot (8), waterproof shell (1) below one side is through bolt fixed mounting has heat dissipation strip of blowing (12).

2. A POE switch as recited in claim 1 wherein: the waterproof rubber plug (3) is arranged on the net wire jack (2), and one side of the waterproof rubber plug (3) is connected above the net wire jack (2) through an anti-lost connecting strip (301).

3. A POE switch as recited in claim 1 wherein: the heat dissipation metal plate (4) lower surface processing has radiating fin (5), radiating fin (5) both sides processing have T shape supporting legs (6), T shape supporting legs (6) bottom is less than radiating fin (5).

4. A POE switch as recited in claim 1 wherein: the upper surface of the heat exchange sheet (7) is provided with heat absorption fins (10), and the heat absorption fins (10) are provided with circuit board mounting grooves (11).

5. A POE switch as recited in claim 1 wherein: the hot end of the semiconductor refrigerating sheet (9) is tightly attached to the heat radiating metal plate (4), the cold end of the semiconductor refrigerating sheet (9) is tightly attached to the heat exchanging sheet (7), and heat conduction silicone grease is coated between the semiconductor refrigerating sheet (9) and the heat radiating metal plate (4) and between the semiconductor refrigerating sheet and the heat exchanging sheet (7).

6. A POE switch as recited in claim 3 wherein: the heat dissipation metal plate (4), the heat dissipation fins (5) and the T-shaped supporting legs (6) are all made of aluminum and are integrally processed, and the heat exchange fins (7) and the heat absorption fins (10) are also integrally processed by aluminum.

7. A POE switch as recited in claim 1 wherein: install heat dissipation motor (13) in waterproof housing (1), heat dissipation motor (13) are located heat dissipation and blow strip (12) both ends, heat dissipation motor (13) output fixedly connected with first helical gear (14), first helical gear (14) meshing has second helical gear (15), second helical gear (15) one end fixedly connected with transfer line (16), transfer line (16) one end fixedly connected with radiator fan (17), heat dissipation is blown strip (12) and is offered air intake (18) in transfer line (16) department, air outlet grid (19) have been offered to heat dissipation is blown strip (12) inboard.

8. The POE switch as recited in claim 4 wherein: the heat dissipation blowing strip (12) is positioned on one side of the heat dissipation metal plate (4), the heat dissipation blowing strip (12) is perpendicular to the heat dissipation fins (5), and the heat dissipation blowing strip (12) is higher than the T-shaped supporting legs (6).