Direct-current power divider convenient for heat dissipation

Abstract

The utility model discloses a direct-current power divider convenient for heat radiation, which relates to the technical field of direct-current power dividers, and comprises a protective shell, a divider body arranged in the protective shell, a plurality of vent holes symmetrically arranged on two sides of the protective shell by taking the midperpendicular of the protective shell as the center, and a plurality of radiating fins arranged on the distributor body, the plurality of grooves are distributed at equal intervals in a linear array along the width direction of the protective shell; the fan is connected to the top of the protective shell, an air outlet is formed in the top of the protective shell, and the air outlet is used in cooperation with the fan to exhaust hot air in the protective shell; the number of the flow guide plates is at least four; according to the utility model, the upward floating characteristic of hot air is combined with the air exhaust of the fan, the hot air is efficiently guided out, the ventilation holes improve air convection and accelerate heat dissipation, the funnel-shaped design of the flow guide plate can guide cold air to flow to a heating part, enhance cold and heat exchange and ensure that heat can be fully taken away, and the distributor body can be maintained at a proper temperature through the arrangement; stable performance is guaranteed, and the service life is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to direct current power divider technical field, concretely is a kind of direct current power divider convenient for heat dissipation. BACKGROUND

[0002] Power divider is a kind of one-way input signal energy is divided into two-way or multiple-way output equal or unequal energy device, also can be called combiner to the multiple-way signal energy synthesis one-way output, at this time, it can be called combiner. The output port of a power divider should ensure a certain isolation. Power divider is also called flow divider, and there are active and passive types, which can divide one-way signal into several-way output, and each divided way has several dB attenuation. The attenuation is different for different signal frequencies and different dividers. In order to compensate for the attenuation, an amplifier is added to make a passive power divider. The existing power divider generates a large amount of heat during work, which will affect the circuit of the power divider if the heat is not dissipated in time, thereby reducing the working efficiency of the power divider.

[0003] The existing Chinese patent (publication number: CN212910529U) is a high-performance direct current power divider. The shell is a hollow rectangular box with an open top. One end of the shell is connected to an output connector, and the other end is connected to multiple output connectors. The cover plate is arranged on the shell and is fixed with multiple screws to form a sealed space between the cover plate and the shell. The heat dissipation assembly includes multiple heat dissipation fins and a heat dissipation box. The heat dissipation fins are arranged on the cover plate, and the heat dissipation box is arranged on the cover plate. The heat dissipation fins have ventilation gaps between adjacent heat dissipation fins. The heat dissipation box is a hollow box with an open bottom and is fixed on the cover plate with screws. This overcomes the shortcomings of the prior art. The heat in the shell is conducted out through the heat dissipation fins, and the fan of the heat dissipation box accelerates air flow to quickly dissipate heat, maintaining the high performance of the power divider.

[0004] The above-mentioned distributor can dissipate the heat generated by the distributor through the fan and heat dissipation fins during use. However, the fan is arranged at the top of the shell, so it can only dissipate heat from the top of the distributor, and the entire distributor cannot be evenly cooled. Utility model content

[0005] The utility model aims at providing a direct current power divider convenient for heat dissipation to solve the problems raised in the above background technology.

[0006] To solve the above technical problems, the utility model provides a direct current power divider convenient for heat dissipation, which includes a protective shell and a distributor body arranged in the protective shell, and comprises,

[0007] A plurality of ventilation holes are symmetrically arranged on both sides of the protective shell along the center line of the protective shell and are linearly and equidistantly distributed along the width direction of the protective shell;

[0008] A fan is connected to the top of the protective shell, and the top of the protective shell is provided with an air outlet, which is used in cooperation with the fan to discharge hot air in the protective shell;

[0009] The flow guide plates are at least four, and each two of the flow guide plates form a group, and the positions of the flow guide plates correspond to the ventilation holes, the flow guide plates are connected to the inner side of the protective shell and are arranged in an inclined manner, and the two flow guide plates are used in cooperation to form a funnel-shaped flow guide member for guiding air flow.

[0010] Further, a plurality of heat dissipation holes are arranged on the flow guide plate in a rectangular array.

[0011] Further, the side, which is opposite to the other side, of each of the two flow guide plates is provided with a refrigeration semiconductor, and the refrigeration end of the refrigeration semiconductor is closely attached to the flow guide plate.

[0012] Further, a plurality of first heat-conducting plates are connected to the heat dissipation end of the refrigeration semiconductor and are linearly and equidistantly distributed along the length direction of the refrigeration semiconductor.

[0013] Further, a plurality of mounting grooves are arranged on the protective shell and are matched with the first heat-conducting plates, and the mounting grooves are in clearance fit with the first heat-conducting plates.

[0014] Further, a first filter screen is detachably connected to the fan by bolts.

[0015] Further, a plurality of second heat-conducting plates are connected to the bottom of the dispenser body, and the horizontal positions of the second heat-conducting plates are perpendicular to the dispenser body.

[0016] Further, a support column is connected to each of the four corners of the bottom of the protective shell, and an air suction disc is connected to the bottom of the support column.

[0017] Compared with the prior art, the present application has the following beneficial effects:

[0018] 1. The hot air is efficiently discharged by using the hot air floating characteristics and the fan, the air convection is accelerated by the ventilation holes, the funnel-shaped design of the flow guide plates can guide the cold air to the heating part, the cold and hot exchange is enhanced, the heat can be fully taken away, the dispenser body can be maintained at an appropriate temperature, the performance is stable, and the service life is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic view of the present application.

[0020] Figure 2 is a bottom structure schematic view of the utility model;

[0021] Figure 3 is a first sectional view of the utility model;

[0022] Figure 4 is a second sectional view of the utility model.

[0023] In the drawing: 1, protective shell;2, distributor body;3, air hole;4, fan;5, refrigeration semiconductor;6, flow guide plate;7, first heat conduction plate;8, heat dissipation hole;9, second heat conduction plate;10, installation notch;11, support column;12, air suction disc;13, first filter screen. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a direct current power distributor convenient for heat dissipation, including protective shell 1 and the distributor body 2 being set in protective shell 1, comprising,

[0026] Multiple air holes 3 are symmetrically opened on the two sides of protective shell 1 with the vertical line of protective shell 1 as center, and are linear array equidistant distribution along the width direction of protective shell 1;

[0027] Fan 4 is connected at the top of protective shell 1, and the top of protective shell 1 is provided with air outlet, and air outlet is used with fan 4 to discharge hot air in protective shell 1;

[0028] Flow guide plate 6 is at least four, and every two is a group, its position corresponds to air hole 3, is connected in the inside of protective shell 1, and is inclined to set, two flow guide plates 6 are used in cooperation, constitute funnel-shaped flow guide piece, for guiding airflow.

[0029] It should be noted that rechargeable battery can be connected in protective shell 1 to power fan 4 or refrigeration semiconductor 5.

[0030] In specific implementation, firstly, hot air is lighter than cold air in density, so it will float up. At this time, the hot air generated by the distributor body 2 is led out of the protective shell 1 by starting the fan 4, and the cold air outside can be led into the protective shell 1 through the air holes 3. The multiple air holes 3 arranged symmetrically can improve the convection effect of air and further improve the heat dissipation effect of the distributor body 2. The cold air entering the protective shell 1 can be affected by the guiding effect of the guide plate 6. Since the guide plate 6 is arranged obliquely and every two guide plates form a funnel-shaped guide member, the cold air entering the protective shell 1 will be guided by the guide plate 6. The flow direction of the cold air flowing along the inclined surface of the guide plate 6 is changed and converged, so that the cold air can flow more concentratedly to the heating part of the distributor body 2. In this process, the cold air fully contacts the distributor body 2 and absorbs heat, so that the temperature of the cold air rises and becomes hot air. The hot air is discharged from the protective shell 1 through the air outlet at the top of the protective shell 1 under the continuous suction of the fan 4.

[0031] Referring to Figure 1 , a plurality of heat dissipation holes 8 are formed in the guide plate 6, and the plurality of heat dissipation holes 8 are arranged in a rectangular array at equal intervals on the guide plate 6.

[0032] In specific implementation, the existence of the heat dissipation holes 8 changes the flow pattern of air around the guide plate 6, so that the air produces turbulence. This turbulence enhances the mixing effect of air, so that the cold and hot air can be more fully contacted and exchanged, and the heat dissipation effect is further improved.

[0033] Referring to Figure 1 , the side opposite to the two guide plates 6 is provided with a refrigeration semiconductor 5, and the refrigeration end of the refrigeration semiconductor 5 is closely attached to the guide plate 6.

[0034] In specific implementation, the temperature of the guide plate 6 is continuously reduced by the refrigeration effect of the refrigeration semiconductor 5, which enhances the heat exchange capacity between the air and the guide plate 6 and the distributor body 2, thereby effectively improving the heat dissipation effect of the entire direct current power distributor.

[0035] Referring to Figure 4 , the heat dissipation end of the refrigeration semiconductor 5 is connected with a plurality of first heat conduction plates 7, and the plurality of first heat conduction plates 7 are linearly arranged at equal intervals along the length direction of the refrigeration semiconductor 5.

[0036] In specific implementation, the first heat conduction plates 7 are arranged to facilitate the heat generated by the heat dissipation end of the refrigeration semiconductor 5 to be led out and quickly exchanged.

[0037] Referring to Figure 1 , a plurality of mounting grooves 10 matched with the first heat conduction plates 7 are formed in the protective shell 1, and the mounting grooves 10 and the first heat conduction plates 7 are gap-fitted.

[0038] In particular implementation, the installation slot 10 is arranged to facilitate heat exchange between the first heat-conducting plate 7, the refrigeration semiconductor 5 and the external cold air.

[0039] Referring to Figure 1 The fan 4 is detachably connected with the first filter screen 13 through bolts.

[0040] In particular implementation, the first filter screen 13 is arranged to prevent dust from entering the fan 4 and causing pollution.

[0041] Referring to Figure 4 The bottom of the dispenser body 2 is connected with a plurality of second heat-conducting plates 9, and the horizontal positions of the second heat-conducting plates 9 are perpendicular to the dispenser body 2.

[0042] In particular implementation, the second heat-conducting plates 9 accelerate the heat dissipation process of the dispenser body 2, which helps to maintain the temperature stability of the dispenser body 2.

[0043] Referring to Figure 1 and Figure 2 The bottom of the protective shell 1 is connected with support columns 11 at four corners, and the bottom of the support column 11 is connected with an air suction disc 12.

[0044] In particular implementation, the support columns 11 are arranged to provide a gap in height between the protective shell 1 and the placement position, which facilitates heat dissipation of the first heat-conducting plate 7, and the air suction disc 12 is arranged to improve the stability of the protective shell 1 during use.

[0045] Working principle: First, hot air has a smaller density than cold air, so it will float up. At this time, the fan 4 is started to guide the hot air generated by the dispenser body 2 out of the protective shell 1, and the cold air outside can be introduced into the protective shell 1 through the air holes 3. The air holes 3 are arranged symmetrically to improve the convection effect of the air and further improve the heat dissipation effect of the dispenser body 2. The cold air entering the protective shell 1 through the air holes 3 can be affected by the guiding effect of the guide plates 6. Since the guide plates 6 are arranged obliquely and each two form a funnel-shaped guide member, the cold air is guided by the guide plates 6 after entering the protective shell 1. The flow direction of the cold air is changed and converged, so that the cold air can flow more concentratedly to the heating part of the dispenser body 2. In this process, the cold air fully contacts the dispenser body 2, absorbs heat and its temperature rises to become hot air. Under the continuous suction of the fan 4, the hot air is discharged from the protective shell 1 through the air outlet at the top of the protective shell 1.

Claims

1. A DC power distributor with easy heat dissipation, comprising a protective housing (1) and a distributor body (2) disposed within the protective housing (1), characterized in that, include, Multiple ventilation holes (3) are symmetrically opened on both sides of the protective shell (1) with the vertical line of the protective shell (1) as the center, and are distributed in a linear array with equal spacing along the width direction of the protective shell (1). A fan (4) is connected to the top of the protective shell (1). An air outlet is provided on the top of the protective shell (1). The air outlet is used in conjunction with the fan (4) to discharge hot air inside the protective shell (1). There are at least four guide plates (6), and each pair is a group of two. Their positions correspond to the vents (3). They are connected to the inside of the protective shell (1) and are set at an angle. Two guide plates (6) are used together to form a funnel-shaped guide for guiding the airflow.

2. The heat-dissipating DC power divider as described in claim 1, characterized in that: The guide plate (6) is provided with a plurality of heat dissipation holes (8), which are arranged in a rectangular array at equal intervals on the guide plate (6).

3. The heat-dissipating DC power divider as described in claim 1, characterized in that: A cooling semiconductor (5) is provided on each of the two flow guide plates (6) on opposite sides, and the cooling end of the cooling semiconductor (5) is in close contact with the flow guide plate (6).

4. A DC power distributor with easy heat dissipation as described in claim 3, characterized in that: The heat dissipation end of the cooling semiconductor (5) is connected to a plurality of first heat-conducting plates (7), and the plurality of first heat-conducting plates (7) are distributed in a linear array at equal intervals along the length direction of the cooling semiconductor (5).

5. A DC power distributor with easy heat dissipation as described in claim 4, characterized in that: The protective shell (1) has multiple mounting slots (10) adapted to the first heat-conducting plate (7), and the mounting slots (10) and the first heat-conducting plate (7) are in clearance fit.

6. A DC power distributor with easy heat dissipation as described in claim 1, characterized in that: The fan (4) is detachably connected to a first filter screen (13) by bolts.

7. A DC power distributor with easy heat dissipation as described in claim 1, characterized in that: The bottom of the distributor body (2) is connected to a plurality of second heat-conducting plates (9), and the horizontal position of the second heat-conducting plates (9) is perpendicular to the distributor body (2).

8. A DC power distributor with easy heat dissipation as described in claim 1, characterized in that: The protective shell (1) has support columns (11) connected to the four corners of its bottom, and air suction cups (12) are connected to the bottom of the support columns (11).

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