Passive console interface switching device

Abstract

The utility model discloses a passive console interface switching device, and relates to the technical field of KVM (Keyboard Video Mouse) switchers. The passive console interface switching device comprises a KVM switcher, two supporting plates are fixedly connected to the lower surface of the KVM switcher, T-shaped sliding grooves are formed in the opposite faces of the two supporting plates, a heat dissipation box is arranged on the lower surface of the KVM switcher, an air inlet pipe communicated with the heat dissipation box is fixedly connected to the rear surface of the heat dissipation box, an air draft fan is arranged in the air inlet pipe, and the air draft fan is arranged in the air draft fan. Cooler air entering the heat dissipation box through the draft fan can pass through the intervals of the multiple heat dissipation plates to absorb hot air on the heat dissipation plates, meanwhile, the heat dissipation fan in the air outlet pipe is started to extract air in the heat dissipation box, sufficient heat dissipation can be achieved on the bottom of the KVM switcher in an in-out heat dissipation mode in cooperation with the multiple heat dissipation plates, and the heat dissipation efficiency of the KVM switcher is improved. Moreover, the heat dissipation effect is less affected by the environment temperature, and the practicability of the passive console interface switching device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of KVM switches, and particularly relates to a passive console interface switching device. Background Art

[0002] The HDMI 2-port KVM switch with the publication number of CN211906224U. The utility model discloses an HDMI 2-port KVM switch, which comprises a device main body. On one side of the outer surface of the device main body, a PC button and a display lamp are respectively arranged. On the other side of the outer surface of the device main body, a USB interface is arranged. Heat sinks are connected to both sides of the device main body. This kind of HDMI 2-port KVM switch is provided with a fixture, a damping rotating shaft, a spring, a groove and a buffer pad. By using the damping rotating shaft to drive the fixture to rotate, and then the fixture is used to clamp the parts inside the HDMI 2-port KVM switch. And a friction pad is connected to one side of the fixture to increase the friction between the two, avoiding the collision of parts inside the device main body. A groove is opened at the bottom of the device main body, and the buffer pad is adapted to the groove. During use, the base is connected with the buffer pad through a spring, so that this kind of HDMI 2-port KVM switch is buffered by the spring and the buffer pad to avoid damage to the internal parts.

[0003] However, for the above-mentioned HDMI 2-port KVM switch, the hot air inside the HDMI 2-port KVM switch is dissipated through a heat conducting pad and then discharged through a heat dissipation hole, avoiding the difficulty of removing the hot air inside the device main body, thereby improving the practicability of this kind of HDMI 2-port KVM switch. However, air-cooled heat dissipation is adopted, so that the heat dissipation effect of the device is greatly affected by the ambient temperature. When the ambient temperature is too high, the heat dissipation effect will be greatly reduced, and heat accumulation is likely to occur, affecting the use performance of the device. Summary of the Utility Model

[0004] (1) Technical Problems to be Solved

[0005] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and provide a passive console interface switching device, which can solve the problem that the heat dissipation effect of the device is greatly affected by the ambient temperature when air-cooled heat dissipation is adopted. When the ambient temperature is too high, the heat dissipation effect will be greatly reduced, and heat accumulation is likely to occur, affecting the use performance of the device.

[0006] (2) Technical Solutions

[0007] To achieve the above purpose, the utility model provides the following technical solutions: a passive console interface switching device, which comprises a KVM switch. Two support plates are fixedly connected to the lower surface of the KVM switch, and T-shaped sliding grooves are opened on the opposite surfaces of the two support plates;

[0008] Among them, a heat dissipation box is arranged on the lower surface of the KVM switch. An air inlet pipe communicated with the heat dissipation box is fixedly connected to the rear surface of the heat dissipation box. A suction fan is arranged inside the air inlet pipe, and the output end of the suction fan communicates with the inside of the heat dissipation box;

[0009] Among them, an air outlet pipe communicated with the heat dissipation box is fixedly connected to the front surface of the heat dissipation box. A heat dissipation fan is arranged inside the air outlet pipe, and the output and input ends of the heat dissipation fan communicate with the inside of the heat dissipation box.

[0010] Preferably, an arc-shaped flow guide plate is fixedly connected inside the heat dissipation box, and the arc-shaped flow guide plate is located on the left side of the air inlet pipe;

[0011] Among them, a plurality of ventilation holes are formed in the front surface of the arc-shaped flow guide plate, and the plurality of ventilation holes all penetrate through the rear surface of the arc-shaped flow guide plate.

[0012] Preferably, a plurality of heat dissipation plates are fixedly connected inside the heat dissipation box. The plurality of heat dissipation plates are arranged in a front-back array, and the upper surfaces of the plurality of heat dissipation plates are all in contact with the lower surface of the KVM switch.

[0013] Preferably, T-shaped sliders are slidably connected to the inner walls of the two T-shaped chutes. The two T-shaped sliders are both fixedly connected to the heat dissipation box, and second magnets are fixedly connected to the right sides of the two T-shaped sliders.

[0014] Preferably, fixing rods are fixedly connected to the inner walls of the two T-shaped chutes. First magnets are fixedly connected to the left sides of the two fixing rods, and the two fixing rods play a role in limiting the positions of the two T-shaped sliders inside the two T-shaped chutes.

[0015] Preferably, rectangular plates are fixedly connected to the lower surfaces of the two support plates. Rectangular installation grooves are formed in the lower surfaces of the two rectangular plates, and double-sided foam tapes are arranged on the two rectangular installation grooves;

[0016] Among them, dust-proof nets are arranged on both the air outlet pipe and the air inlet pipe;

[0017] Among them, a plurality of console interfaces are arranged on the left side of the KVM switch, and a plurality of USB sockets are arranged on the rear surface of the KVM switch.

[0018] (III) Beneficial Effects

[0019] Compared with the prior art, the beneficial effects of the present utility model are:

[0020] (1). For this passive console interface switching device, the relatively cold air entering the interior of the heat dissipation box through the exhaust fan will pass through the spaces between multiple heat dissipation plates to absorb the hot air on the heat dissipation plates. At the same time, the heat dissipation fan inside the air outlet pipe is started to extract the air inside the heat dissipation box. Through the in-and-out heat dissipation method and in cooperation with multiple heat dissipation plates, sufficient heat dissipation can be achieved for the bottom of the KVM switch, and the heat dissipation effect is less affected by the ambient temperature, improving the practicability of the passive console interface switching device.

[0021] (2). For this passive console interface switching device, when the relatively cold air entering the interior of the heat dissipation box from the outside passes through the exhaust fan, it will first come into contact with the arc-shaped guide plate. The arc-shaped guide plate will play a certain role in blocking and guiding the relatively cold air, enabling the relatively cold air to spread to the surrounding areas inside the heat dissipation box, improving the coverage area and utilization efficiency of the relatively cold air.

[0022] (3). For this passive console interface switching device, by setting two T-shaped sliders, two T-shaped chutes, two first magnets, and two second magnets, it is convenient to replace and fix the entire heat dissipation box, improving the convenience during the cleaning and maintenance of the interior of the heat dissipation box. Description of the Drawings

[0023] The following further describes the present utility model in conjunction with the drawings and embodiments:

[0024] Figure 1 is the overall structural schematic diagram of the present utility model;

[0025] Figure 2 is the right-side schematic diagram of the overall of the present utility model;

[0026] Figure 3 is the top-down schematic diagram of the interior of the heat dissipation box of the present utility model;

[0027] Figure 4 is Figure 2 the enlarged schematic diagram at A in

[0028] Reference numerals: 1, KVM switch; 2, console interface; 3, support plate; 4, T-shaped chute; 5, T-shaped slider; 6, heat dissipation box; 7, air outlet pipe; 8, double-sided foam tape; 9, rectangular plate; 10, air inlet pipe; 11, USB socket; 12, rectangular installation groove; 13, ventilation hole; 14, arc-shaped guide plate; 15, first magnet; 16, second magnet; 17, fixing rod; 18, heat dissipation plate. Detailed Embodiments

[0029] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The function of the drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model. However, it should not be construed as a limitation on the protection scope of the present utility model.

[0030] In the description of the present utility model, it should be understood that when it comes to orientation descriptions, such as the upper, lower, front, rear, left, right, etc. indicating the orientation or positional relationship, it is based on the orientation or positional relationship shown in the drawings. This is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation on the present utility model.

[0031] In the description of the present utility model, "greater than", "less than", "exceeding", etc. are understood as not including the number itself, and "above", "below", "within", etc. are understood as including the number itself. If there is a description of the first and the second, it is only for the purpose of distinguishing technical features and cannot be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or the sequence relationship of the indicated technical features.

[0032] In the description of the present utility model, unless otherwise clearly defined, terms such as "set", "installed", "connected", etc. should be understood in a broad sense. Those skilled in the art can reasonably determine the specific meaning of the above terms in the present utility model in combination with the specific content of the technical solution.

[0033] Please refer to Figures 1-4 , the present utility model provides a technical solution: a passive console interface switching device, which includes a KVM switch 1. Two support plates 3 are fixedly connected to the lower surface of the KVM switch 1, and T-shaped chutes 4 are opened on the opposite surfaces of the two support plates 3;

[0034] Among them, a heat dissipation box 6 is arranged on the lower surface of the KVM switch 1. An air inlet pipe 10 communicated with it is fixedly connected to the rear surface of the heat dissipation box 6. A suction fan is arranged inside the air inlet pipe 10, and the output end of the suction fan communicates with the inside of the heat dissipation box 6;

[0035] Among them, an air outlet pipe 7 communicated with it is fixedly connected to the front surface of the heat dissipation box 6. A heat dissipation fan is arranged inside the air outlet pipe 7, and the input and output ends of the heat dissipation fan communicate with the inside of the heat dissipation box 6.

[0036] Furthermore, an arc-shaped flow guide plate 14 is fixedly connected inside the heat dissipation box 6, and the arc-shaped flow guide plate 14 is located on the left side of the air inlet pipe 10;

[0037] Among them, a plurality of ventilation holes 13 are opened on the front surface of the arc-shaped flow guide plate 14, and the plurality of ventilation holes 13 all penetrate the rear surface of the arc-shaped flow guide plate 14.

[0038] Further, a plurality of heat dissipation plates 18 are fixedly connected inside the heat dissipation box 6. The plurality of heat dissipation plates 18 are arranged in a front-back array, and the upper surfaces of the plurality of heat dissipation plates 18 are all in contact with the lower surface of the KVM switch 1.

[0039] Further, T-shaped sliders 5 are slidably connected to the inner walls of the two T-shaped chutes 4. The two T-shaped sliders 5 are both fixedly connected to the heat dissipation box 6, and second magnets 16 are fixedly connected to the right sides of the two T-shaped sliders 5.

[0040] Further, fixing rods 17 are fixedly connected to the inner walls of the two T-shaped chutes 4. First magnets 15 are fixedly connected to the left sides of the two fixing rods 17. The two fixing rods 17 both play a role in limiting the positions of the two T-shaped sliders 5 inside the two T-shaped chutes 4.

[0041] Further, rectangular plates 9 are fixedly connected to the lower surfaces of the two support plates 3. Rectangular installation grooves 12 are formed in the lower surfaces of the two rectangular plates 9. Foam double-sided tapes 8 are arranged on the two rectangular installation grooves 12;

[0042] Among them, dust-proof nets are arranged on both the air outlet pipe 7 and the air inlet pipe 10;

[0043] Among them, a plurality of console interfaces 2 are arranged on the left side of the KVM switch 1, and a plurality of USB sockets are arranged on the rear surface of the KVM switch 1. By arranging a plurality of USB sockets, the KVM switch can work and be used normally without a power supply.

[0044] Further, when the KVM switch 1 starts to work, multiple heat dissipation plates 18 absorb the heat generated at the bottom of the KVM switch 1, transfer the heat to the inside of the heat dissipation box 6, and then start the exhaust fan inside the air inlet pipe 10. The exhaust fan draws external air into the inside of the heat dissipation box 6. When the relatively cold air entering the inside of the heat dissipation box 6 from the outside through the exhaust fan first contacts the arc-shaped deflector 14, the arc-shaped deflector 14 plays a certain role in blocking and guiding the relatively cold air, enabling the relatively cold air to diffuse around the inside of the heat dissipation box 6, improving the coverage area and utilization efficiency of the relatively cold air. The relatively cold air entering the inside of the heat dissipation box 6 through the exhaust fan passes through the spaces between multiple heat dissipation plates 18, absorbs the hot air on the heat dissipation plates 18, and at the same time starts the heat dissipation fan inside the air outlet pipe 7 to extract the air inside the heat dissipation box 6. Through the in-out heat dissipation method and in cooperation with multiple heat dissipation plates 18, sufficient heat dissipation of the bottom of the KVM switch 1 can be achieved, and the heat dissipation effect is less affected by the ambient temperature, improving the practicability of the passive console interface switching device. By providing two T-shaped sliders 5, two T-shaped chutes 4, two first magnets 15, and two second magnets 16, it is convenient to replace and fix the entire heat dissipation box 6, improving the convenience during the cleaning and maintenance of the inside of the heat dissipation box 6.

[0045] Working principle: When the KVM switch 1 starts to work, multiple heat dissipation plates 18 absorb the heat generated at the bottom of the KVM switch 1, transfer the heat to the inside of the heat dissipation box 6, and then start the exhaust fan inside the air inlet pipe 10. The exhaust fan draws external air into the inside of the heat dissipation box 6. When the relatively cold air entering the inside of the heat dissipation box 6 from the outside through the exhaust fan first contacts the arc-shaped deflector 14, the arc-shaped deflector 14 plays a certain role in blocking and guiding the relatively cold air, enabling the relatively cold air to diffuse around the inside of the heat dissipation box 6. The relatively cold air entering the inside of the heat dissipation box 6 through the exhaust fan passes through the spaces between multiple heat dissipation plates 18, absorbs the hot air on the heat dissipation plates 18, and at the same time starts the heat dissipation fan inside the air outlet pipe 7 to extract the air inside the heat dissipation box 6. Through the in-out heat dissipation method and in cooperation with multiple heat dissipation plates 18, sufficient heat dissipation of the bottom of the KVM switch 1 can be achieved, and the heat dissipation effect is less affected by the ambient temperature. By providing two T-shaped sliders 5, two T-shaped chutes 4, two first magnets 15, and two second magnets 16, it is convenient to replace and fix the entire heat dissipation box 6.

[0046] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those of ordinary skill in the art.

Claims

1. A passive console interface switching device, characterized in that: include; A KVM switch (1), wherein two support plates (3) are fixedly connected to the lower surface of the KVM switch (1), and T-shaped slide grooves (4) are provided on opposite surfaces of the two support plates (3); The lower surface of the KVM switch (1) is provided with a heat sink (6), the rear surface of the heat sink (6) is fixedly connected with an air intake pipe (10) which is in communication with the heat sink (6), an exhaust fan is provided inside the air intake pipe (10), and the output end of the exhaust fan is in communication with the inside of the heat sink (6); The front surface of the heat dissipation box (6) is fixedly connected with an air outlet pipe (7) which is in communication with the heat dissipation box, and a heat dissipation fan is arranged inside the air outlet pipe (7), and the input and output ends of the heat dissipation fan are in communication with the inside of the heat dissipation box.

2. A passive console interface switching device according to claim 1, characterized in that: An arc-shaped guide plate (14) is fixedly connected to the interior of the heat dissipation box (6), and the arc-shaped guide plate (14) is located on the left side of the air intake pipe (10); The front surface of the arc-shaped guide plate (14) is provided with a plurality of ventilation holes (13), and the plurality of ventilation holes (13) all penetrate the rear surface of the arc-shaped guide plate (14).

3. A passive console interface switching device according to claim 2, characterized in that: A plurality of heat sinks (18) are fixedly connected to the interior of the heat sink (6), and the plurality of heat sinks (18) are arranged in a front-to-back array, and the upper surfaces of the plurality of heat sinks (18) are in contact with the lower surface of the KVM switch (1).

4. A passive console interface switching device according to claim 1, characterized in that: The inner walls of the two T-shaped slide grooves (4) are slidably connected with T-shaped sliders (5), the two T-shaped sliders (5) are fixedly connected to the heat sink (6), and the right sides of the two T-shaped sliders (5) are fixedly connected with second magnets (16).

5. A passive console interface switching device according to claim 4, characterized in that: The inner walls of the two T-shaped slide grooves (4) are fixedly connected with fixed rods (17), the left sides of the two fixed rods (17) are fixedly connected with first magnets (15), and the two fixed rods (17) have a limiting effect on the positions of the two T-shaped sliding blocks (5) inside the two T-shaped slide grooves (4).

6. The passive console interface switching device according to claim 1, characterized in that: The lower surfaces of the two support plates (3) are fixedly connected to rectangular plates (9), the lower surfaces of the two rectangular plates (9) are provided with rectangular mounting grooves (12), and the upper surfaces of the two rectangular mounting grooves (12) are provided with foam double-sided adhesive tapes (8); Wherein, dust-proof nets are arranged on both the air outlet pipe (7) and the air inlet pipe (10); The left side of the KVM switch (1) is provided with a plurality of console interfaces (2), and the rear surface of the KVM switch (1) is provided with a plurality of USB ports.

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