High-temperature-resistant industrial POE (Power Over Ethernet) switch
By using upper thermal conduction plate and cooling channel system in industrial-grade POE switches for heat dissipation, the moisture and dust problems caused by fan heat dissipation in traditional POE switches are solved, and the reliability and application conditions are improved in high-temperature environments.
Patent Information
- Application Number
- CN202421091475.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-17
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-05-17
AI Technical Summary
Traditional POE switches use fan to dissipate heat when transmitting data, causing moisture and dust to enter the shell, reducing reliability, and limited application scenarios.
A high-temperature resistant industrial-grade POE switch is designed, using an upper thermal conduction plate to conduct heat from the main control board to the heat sink, and cool it through the cooling channel and circulation pump system to avoid opening air inlets and air outlets.
It realizes heat dissipation without air outlets, avoids moisture and dust entering, improves the reliability and application of the switch, and is suitable for high-temperature environments.
Smart Images

Figure CN222484834U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of switches, in particular to a high-temperature resistant industrial-grade POE switch. Background Art
[0002] POE switch refers to the technology that can provide direct current power to some IP-based terminals while transmitting data signals to such devices without making any changes to the existing Ethernet Cat.5 cabling infrastructure. It is a switch that supports Ethernet power supply. POE technology can ensure the normal operation of the existing network while ensuring the security of the existing structured cabling, thereby minimizing costs. It can not only realize the data transmission function of ordinary switches but also power network terminals at the same time.
[0003] Traditional POE switches mostly use fans for heat dissipation when transmitting data. The switch housing needs to have air inlets and outlets, and moisture and dust can easily enter the housing, resulting in reduced reliability of the switch and limited application scenarios of the switch. Utility Model Content
[0004] The utility model provides a high temperature resistant industrial-grade POE switch to solve the problems in the background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-temperature resistant industrial-grade POE switch, comprising a switch housing, a main control board arranged in the inner cavity of the switch housing, and a heat-conducting member arranged between the bottom inner wall of the switch housing and the main control board to conduct and dissipate the heat of the main control board, the heat-conducting member comprising an upper heat-conducting plate that cooperates with the main control board to conduct heat, the bottom sides of the upper heat-conducting plate are connected to the lower heat-conducting plate connected to the bottom inner wall of the switch housing through two groups of connecting plates, the bottom of the upper heat-conducting plate is located between the two groups of connecting plates and is provided with two heat sinks arranged along the length direction of the connecting plates, and cooling channels are provided on the two heat sinks.
[0006] Furthermore, one end of the cooling channels on the two heat sinks is connected by a U-shaped tube, one end of one cooling channel away from the U-shaped tube is connected to a water inlet pipe, and the other end of the other cooling channel away from the U-shaped tube is connected to a water outlet pipe.
[0007] Furthermore, the water inlet pipe is connected to a cooling water tank with a heat exchanger mounted on the surface through a connecting pipe, the water outlet pipe is connected to a circulation pump through a connecting pipe, and the circulation pump is connected to the cooling water tank through a connecting pipe.
[0008] Furthermore, a heat dissipation strip groove is provided on the top of the switch housing to assist in heat dissipation.
[0009] Furthermore, support pads are installed at the four corners of the bottom of the switch housing.
[0010] Furthermore, a network cable interface is provided on the front side of the switch housing.
[0011] Furthermore, mounting ear blocks connected to the switch housing are installed on both sides of the lower heat conducting plate.
[0012] Compared with the prior art, the utility model provides a high-temperature resistant industrial-grade POE switch, which has the following beneficial effects: the high-temperature resistant industrial-grade POE switch transfers the heat generated by the main control board to the heat sink through the upper heat conduction plate, and performs a cooling operation through the heat sink, and does not require the opening of air inlets and outlets, which can prevent moisture and dust from entering the interior of the shell. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a structural schematic diagram of the utility model;
[0014] Figure 2 It is a schematic diagram of the internal structure of the utility model;
[0015] Figure 3 It is a schematic structural diagram of the heat conducting member of the utility model.
[0016] In the figure: 1. Switch housing; 2. Upper heat conduction plate; 3. Connecting plate; 4. Lower heat conduction plate; 5. Heat sink; 6. Cooling channel; 7. U-shaped pipe; 8. Water inlet pipe; 9. Water outlet pipe; 10. Cooling water tank; 11. Circulating pump; 12. Connecting pipe; 13. Heat dissipation strip groove; 14. Support pad; 15. Network cable interface; 16. Mounting ear block. DETAILED DESCRIPTION
[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0018] See also Figure 1-3The utility model discloses a high-temperature resistant industrial-grade POE switch, comprising a switch housing 1, a main control board arranged in the inner cavity of the switch housing 1, and a heat-conducting member arranged between the bottom inner wall of the switch housing 1 and the main control board to conduct and dissipate the heat of the main control board. The characteristic is that the heat-conducting member comprises an upper heat-conducting plate 2 that cooperates with the main control board to conduct heat, and the bottom sides of the upper heat-conducting plate 2 are connected to the lower heat-conducting plate 4 connected to the bottom inner wall of the switch housing 1 through two groups of connecting plates 3. The bottom of the upper heat-conducting plate 2 is located between the two groups of connecting plates 3 and is provided with two heat-dissipating seats 5 arranged along the length direction of the connecting plates 3, and the two heat-dissipating seats 5 are both provided with cooling channels 6.
[0019] A network cable interface 15 is provided on the front side of the switch housing 1 .
[0020] The upper heat conducting plate 2 is provided with a protrusion that fits with the chip on the main control board so as to transfer the heat of the chip on the main control board to the upper heat conducting plate 2 .
[0021] Specifically, one end of the cooling channels 6 on the two heat sinks 5 is connected by a U-shaped tube 7, one end of one cooling channel 6 away from the U-shaped tube 7 is connected to a water inlet pipe 8, and the other end of the cooling channel 6 away from the U-shaped tube 7 is connected to a water outlet pipe 9.
[0022] The water inlet pipe 8 is connected to a cooling water tank 10 with a heat exchanger mounted on the surface through a connecting pipe 12 , the water outlet pipe 9 is connected to a circulation pump 11 through a connecting pipe 12 , and the circulation pump 11 is connected to the cooling water tank 10 through a connecting pipe 12 .
[0023] In this embodiment, the water inlet pipe 8 and the water outlet pipe 9 can pass through the switch housing 1, the cooling water tank 10 is provided with coolant, and the circulating pump 11 works to circulate the coolant in the two cooling channels 6 to cool the upper heat conducting plate 2.
[0024] Specifically, a heat dissipation groove 13 is provided on the top of the switch housing 1 to assist in heat dissipation.
[0025] In this embodiment, the switch housing 1 is made of copper or aluminum, and the heat dissipation grooves 13 on the top of the switch housing 1 can increase the contact area between the switch housing 1 and the air to assist in heat dissipation.
[0026] Specifically, support pads 14 are installed at the four corners of the bottom of the switch housing 1 .
[0027] In this embodiment, the support pad 14 can create a space for air flow between the bottom of the switch housing 1 and the placement surface thereof, so as to dissipate heat from the bottom of the switch housing 1 .
[0028] Specifically, mounting ear blocks 16 connected to the switch housing 1 are installed on both sides of the lower heat conducting plate 4 .
[0029] In this embodiment, the mounting ear block 16 can be connected to the switch housing 1 by screws.
[0030] In summary, the high-temperature resistant industrial-grade POE switch transfers the heat generated by the main control board to the heat sink 5 through the upper heat conduction plate 2, and performs a cooling operation through the heat sink 5. There is no need to open an air inlet or outlet, which can prevent moisture and dust from entering the shell.
[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A high temperature resistant industrial grade POE switch, comprising a switch housing (1), a main control board arranged in the inner cavity of the switch housing (1), and a heat conducting member arranged between the bottom inner wall of the switch housing (1) and the main control board to conduct and dissipate the heat of the main control board, characterized in that: The heat conducting member comprises an upper heat conducting plate (2) for conducting heat in cooperation with a main control board, the bottom sides of the upper heat conducting plate (2) being connected to a lower heat conducting plate (4) connected to the bottom inner wall of a switch housing (1) via two groups of connecting plates (3), the bottom of the upper heat conducting plate (2) being located between the two groups of connecting plates (3) and provided with two heat dissipation seats (5) arranged along the length direction of the connecting plates (3), and both of the two heat dissipation seats (5) being provided with cooling channels (6).
2. The high temperature resistant industrial grade POE switch according to claim 1, characterized in that: One end of the cooling channels (6) on the two heat sinks (5) is connected via a U-shaped tube (7), one end of one cooling channel (6) away from the U-shaped tube (7) is connected to a water inlet pipe (8), and the other end of the other cooling channel (6) away from the U-shaped tube (7) is connected to a water outlet pipe (9).
3. The high temperature resistant industrial grade POE switch according to claim 2, characterized in that: The water inlet pipe (8) is connected to a cooling water tank (10) with a heat exchanger mounted on the surface via a connecting pipe (12); the water outlet pipe (9) is connected to a circulation pump (11) via a connecting pipe (12); and the circulation pump (11) is connected to the cooling water tank (10) via a connecting pipe (12).
4. The high temperature resistant industrial grade POE switch according to claim 1, characterized in that: The top of the switch housing (1) is provided with a heat dissipation strip groove (13) which plays an auxiliary heat dissipation role.
5. The high temperature resistant industrial grade POE switch according to claim 1, characterized in that: Support pads (14) are installed at the four corners of the bottom of the switch housing (1).
6. The high temperature resistant industrial grade POE switch according to claim 1, characterized in that: A network cable interface (15) is provided on the front side of the switch housing (1).
7. The high temperature resistant industrial grade POE switch according to claim 1, characterized in that: Mounting ear blocks (16) connected to the switch housing (1) are mounted on both sides of the lower heat conducting plate (4).