Interphone communication control device

Abstract

The interphone communication control device is used for an interphone base station or relay station, and a signal processing module and a control module are arranged on a PCB (Printed Circuit Board) in a centralized manner; a radio frequency-to-intermediate frequency module in the radio frequency receiving module receives a radio frequency signal and converts the radio frequency signal into an intermediate frequency signal, and an intermediate frequency decoding module decodes the intermediate frequency signal into a baseband digital signal; the radio frequency transmitting module is in electric signal connection with the excitation module; the excitation module is electrically connected with the signal processing module through a digital signal line; a baseband decoding module in the signal processing module decodes the baseband digital signal to obtain a communication protocol signal; the control module analyzes and processes the communication protocol signal to form a relay forwarding signal, and the control module sends the relay forwarding signal to the excitation module; the excitation module generates a radio frequency sending signal and sends the radio frequency sending signal to the radio frequency sending module; and the radio frequency power amplification module amplifies the radio frequency sending signal to form an amplified radio frequency sending signal, and the radio frequency sending signal is output to the sending antenna through the radio frequency interface D1.

Description

Technical Field

[0001] The invention relates to the technical field of digital intercom, and in particular to an intercom communication control device. Background Art

[0002] Intercom relay station is a device specially used to enhance the communication signal of intercom. It can extend the signal transmission distance of intercom and enhance the stability and coverage of signal. Intercom relay station is usually set up in areas with small signal coverage such as mountainous areas, forests, and oceans to provide wireless communication services over longer distances.

[0003] There are differences in the functions of walkie-talkie base stations and relay stations. A walkie-talkie base station is a device used to manage and control the communication of multiple walkie-talkies. It can provide services for multiple groups of users to communicate at the same time and can be linked with other communication devices. A walkie-talkie relay station is a device specifically used to enhance the communication signal of walkie-talkies. It can extend the signal transmission distance of walkie-talkies and enhance the stability and coverage of signals.

[0004] Compared with 4G or 5G protocol communication base stations, walkie-talkie base stations or relay stations are simpler, but how to integrate and arrange various functional modules to make the walkie-talkie base station or relay station smaller while maintaining normal internal temperature and easy maintenance of the operation and control interface is a technical problem that needs to be solved urgently. Summary of the invention

[0005] The technical problem to be solved by the present invention is to avoid the shortcomings of the above-mentioned existing technical solutions, and propose a walkie-talkie communication control device, which integrates various functions of the walkie-talkie communication control device into one space within a set size range, thereby reducing the space requirement occupied by the walkie-talkie communication control device.

[0006] The technical solution of the present application to solve the above technical problems is a walkie-talkie communication control device for a walkie-talkie base station or a relay station, including a radio frequency receiving module, a radio frequency transmitting module, a power supply module, a control module, and a human-machine interaction module; the control module includes a signal processing module and a control module; the signal processing module and the control module are centrally arranged on a PCB; the control module is connected to the human-machine interaction module through a control signal line; the radio frequency receiving module is electrically connected to the signal processing module through a radio frequency connection line; the radio frequency receiving module includes a radio frequency interface D2, a radio frequency to intermediate frequency module, and an intermediate frequency decoding module; the radio frequency interface D2 is connected to a receiving antenna; the radio frequency to intermediate frequency module receives a radio frequency signal and converts it into an intermediate frequency signal of 51.65 MHz, and the intermediate frequency decoding module decodes the intermediate frequency signal into a baseband digital signal; the radio frequency transmitting module includes a radio frequency interface D1, the radio frequency interface D1 is connected to a transmitting antenna, and the radio frequency transmitting module is electrically connected to an excitation module through a radio frequency connection line; the excitation module is electrically connected to the signal processing module through a digital signal line; the signal processing module includes a baseband decoding module and a baseband encoding module; the baseband decoding module decodes the baseband digital signal to obtain a communication protocol signal; the control module analyzes and processes the communication protocol signal to form a relay forwarding signal, and the control module sends the relay forwarding signal to the excitation module; the excitation module generates a radio frequency transmission signal according to the relay forwarding signal and sends it to the radio frequency transmitting module; the radio frequency transmitting module includes a radio frequency power amplification module for amplifying the radio frequency transmission signal to form an amplified radio frequency transmission signal, and the radio frequency transmission signal is output to the transmitting antenna through the radio frequency interface D1. It can be that the control module includes a main control board; the control signal line is a ribbon cable A; the human-machine interaction module includes a display control board; the main control board includes a port A2; the port A2 and the port on the display control board are electrically connected through the ribbon cable A; the radio frequency power amplification module includes a port B1, and the main control board includes a port B2; the port B1 and the port B2 are electrically connected through a ribbon cable B.

[0007] It can be that it further includes a chassis and a fan A1; the radio frequency interface D1 and the radio frequency interface D2 are arranged in the rear panel area; the fan A1 is arranged in the front panel area; the fan A1 is used for dissipating heat of the radio frequency transmitting module; the power supply module is electrically connected to the radio frequency transmitting module; the power supply module is electrically connected to the control module; the power supply module includes a fan B1, and the fan B1 is arranged in the rear panel area; the fan B1 is used for dissipating heat of the power supply module.

[0008] It can be that the control module includes a maintenance interface E, and the control main board is electrically connected to the maintenance interface E; the maintenance interface E is a serial port or a parallel port.

[0009] It can be that the control module includes a signal interface F, and the control main board is electrically connected to the signal interface F; the signal interface F is a network interface.

[0010] It can be that the power supply module includes a power supply module and a power interface C1. The power interface C1 is used to connect to alternating current and is electrically connected to the power supply module. The power interface C1 is provided in the rear panel area.

[0011] It can be that the power supply module includes a power supply module and a power interface C2. The power interface C2 is used to connect to direct current and is electrically connected to the power supply module. The power interface C2 is provided in the rear panel area.

[0012] It can be that the radio frequency transmitting module and the power supply module are arranged on the left and right sides of the control module.

[0013] It can be that the radio frequency transmitting module includes an air duct opening A3. The air duct opening A3 is used for the cooling air of the radio frequency transmitting module to enter or be output to the outside of the device. The air duct opening A3 is provided in the rear panel area.

[0014] It can be that the radio frequency power amplification module includes an upper shielding plate, a radio frequency circuit board, and a lower shielding plate. The upper shielding plate covers above the radio frequency power amplification module. The lower shielding plate covers below the radio frequency power amplification module. The lower shielding plate includes heat dissipation fins, and the heat dissipation fins are parallel to the wind direction of the fan A1. The upper shielding plate includes more than one accommodating cavity for accommodating radio frequency devices.

[0015] It can be that the radio frequency transmitting module includes a fan A2. The fan A2 is provided in the front panel area. The fan A2 is used for cooling the radio frequency transmitting module. The fan A1 and the fan A2 are controlled by the control module, and when the temperature is lower than the set threshold, the fan A1 and the fan A2 start alternately.

[0016] It can be that the control module includes at least one shielding cover that covers a partial area of the control main board.

[0017] It can be that the control module includes a shielding cover K1 and a shielding cover K2. The shielding cover K1 and the shielding cover K2 respectively cover a partial area of the control main board.

[0018] It can be that the length of the chassis shell is 403 mm, the height is 45 mm, and the width is 430 mm.

[0019] It can be that the receiving frequency band of the radio frequency is any one of 400 MHz - 470 MHz, 450 MHz - 520 MHz, and 350 MHz - 400 MHz, and the transmitting frequency band is any one of 400 MHz - 470 MHz, 450 MHz - 520 MHz, and 350 MHz - 400 MHz.

[0020] Compared with the prior art, the beneficial effects of the present application are as follows: the radio frequency power amplification module and the power supply module are arranged on the left and right sides of the control module; the two modules that are prone to generating heat are separately arranged on both sides of the control module, which is convenient for their respective heat dissipation and maintains a good performance state.

[0021] Compared with the prior art, the beneficial effects of the present application are as follows: the radio frequency receiving module and the excitation module are placed side by side under the control module, which is convenient for signal transmission and optimizes the transmission path of communication signals inside the device as much as possible.

[0022] Compared with the prior art, the beneficial effects of the present application are as follows: Fan A1 is used for heat dissipation of the radio frequency transmitting module; Fan B1 is used for heat dissipation of the power supply module; the two modules that are prone to generating heat are separately provided with heat dissipation channels, and their respective heat dissipation efficiencies are higher, and it is easier to keep the system stable.

[0023] Compared with the prior art, the beneficial effects of the present application are as follows: the front and rear panel setting methods of Fan A1 and Fan B1 are not prone to competition of airflows in the two heat dissipation channels, and it is easier to form a fast heat dissipation airflow. As a whole, the airflow circulation is smoother.

[0024] Compared with the prior art, the beneficial effects of the present application are as follows: the control main board is electrically connected to the maintenance interface E; the maintenance interface E is a serial port or a parallel port, which is convenient for debugging.

[0025] Compared with the prior art, the beneficial effects of the present application are as follows: the power supply module is provided with a variety of power interfaces, which is convenient for connecting different types of power supplies.

[0026] Compared with the prior art, the beneficial effects of the present application are as follows: both the radio frequency transmitting module and the power supply module are relatively prone to generating heat. The radio frequency transmitting module and the power supply module are arranged on the left and right sides of the control module, which is convenient for their respective heat dissipation.

[0027] Compared with the prior art, the beneficial effects of the present application are as follows: the radio frequency transmitting module includes an air duct opening A3, and a separate air duct is provided for heat dissipation, which improves the heat dissipation efficiency.

[0028] Compared with the prior art, the beneficial effects of the present application are as follows: in the radio frequency power amplification module, the upper shielding plate and the lower shielding plate enclose the radio frequency circuit board, which can perform omnidirectional electromagnetic shielding to ensure signal integrity; moreover, the lower shielding plate includes heat dissipation fins, and the heat dissipation fins are parallel to the wind direction of Fan A1, and the heat dissipation efficiency is higher.

[0029] Compared with the prior art, the beneficial effects of the present application are as follows: the upper shielding plate includes more than one accommodating cavity, and the accommodating cavity is used to accommodate radio frequency devices, which can separately shield different devices.

[0030] Compared with the prior art, the beneficial effects of the present application are as follows: The fan A2 is arranged in the front panel area; the fan A2 is used for heat dissipation of the radio frequency transmission module, and multiple fans cooperate for heat dissipation, which can further improve the heat dissipation efficiency. At the same time, based on the temperature, the switching and speed of the fans A1 and A2 can be controlled in segments to reduce noise; alternately turning on the fans one by one can extend the service life of the fans.

[0031] Compared with the prior art, the beneficial effects of the present application are as follows: The shielding cover covers part of the control main board, which can perform electromagnetic shielding on key components and improve the overall anti-interference ability.

[0032] Compared with the prior art, the beneficial effects of the present application are as follows: The shielding cover K1 and the shielding cover K2 respectively cover part of the control main board, which can perform electromagnetic shielding on separate areas and further improve the overall anti-interference ability.

[0033] Compared with the prior art, the beneficial effects of the present application are as follows: Under the limiting conditions of a length of 403 mm, a height of 45 mm, and a width of 430 mm, excellent heat dissipation can be achieved to ensure stable and reliable performance. Brief Description of the Drawings

[0034] Figure 1 is a schematic block diagram of an intercom communication control device; Figure 2 is a schematic block diagram of an intercom communication control device; Figure 3 is a schematic layout block diagram of an intercom communication control device; Figure 4 is a schematic layout block diagram of an intercom communication control device; Figure 5 is a three-dimensional view of an intercom communication control device; Figure 6 is a front projection schematic diagram of the internal structure of an intercom communication control device; Figure 7 is a schematic diagram of the front panel of an intercom communication control device; Figure 8 is a schematic diagram of the rear panel of an intercom communication control device; Figure 9 is a three-dimensional schematic diagram of the internal structure of an intercom communication control device; Figure 10 is a three-dimensional schematic diagram of the internal structure of an intercom communication control device; Figure 11 is a three-dimensional schematic diagram of the lower shielding plate in an intercom communication control device; Figure 12 is a three-dimensional schematic diagram of the lower shielding plate in an intercom communication control device; Figure 13It is a three-dimensional schematic diagram of the upper shielding plate in the intercom communication control device; Figure 14 It is a three-dimensional schematic diagram of the upper shielding plate in the intercom communication control device. Specific implementation mode

[0035] The following further details the content of this application in conjunction with each attached drawing.

[0036] As Figure 1 and Figure 2 shown, an intercom communication control device for an intercom base station or a relay station includes a radio frequency receiving module, a radio frequency transmitting module, a power supply module, a control module, and a human-computer interaction module.

[0037] As Figure 1 and Figure 2 shown, the control module includes a signal processing module and a control module; the signal processing module and the control module are centrally arranged on a PCB; the control module is connected to the human-computer interaction module through a control signal line.

[0038] As Figure 1 and Figure 2 shown, the radio frequency receiving module is electrically connected to the signal processing module through a radio frequency connection line; the radio frequency receiving module includes a radio frequency interface D2, a radio frequency to intermediate frequency module, and an intermediate frequency decoding module; the radio frequency interface D2 is connected to the receiving antenna; the radio frequency to intermediate frequency module receives the radio frequency signal and converts it into an intermediate frequency signal of 51.65 MHz, and the intermediate frequency decoding module decodes the intermediate frequency signal into a baseband digital signal.

[0039] As Figure 1 and Figure 2 shown, the radio frequency transmitting module includes a radio frequency interface D1, the radio frequency interface D1 is connected to the transmitting antenna, and the radio frequency transmitting module is electrically connected to the excitation module through a radio frequency connection line.

[0040] As Figure 1 and Figure 2 shown, the excitation module is electrically connected to the signal processing module through a digital signal line; the signal processing module includes a baseband decoding module and a baseband encoding module; the baseband decoding module decodes the baseband digital signal to obtain a communication protocol signal; the control module analyzes and processes the communication protocol signal to form a relay forwarding signal, and the control module sends the relay forwarding signal to the excitation module.

[0041] As Figure 1 and Figure 2 shown, the excitation module generates a radio frequency transmission signal according to the relay forwarding signal and sends it to the radio frequency transmitting module. The radio frequency transmitting module amplifies the radio frequency transmission signal to form an amplified radio frequency transmission signal, and the radio frequency transmission signal is output to the transmitting antenna through the radio frequency interface D1.

[0042] As shown Figures 3 to 6 in the figure, the control module includes a main control board; the control signal line is a ribbon cable A; the human-machine interaction module includes a display control board; the main control board includes a port A2; the port A2 on the main control board is electrically connected to the port on the display control board through the ribbon cable A; the radio frequency power amplification module includes a port B1, and the main control board includes a port B2; the port B1 and the port B2 are electrically connected through a ribbon cable B; the ribbon cable A and the ribbon cable B facilitate the transmission of signals with a large amount of data.

[0043] As shown Figures 3 to 5 in the figure, the intercom communication control device further includes a chassis and a fan A1; the power supply module includes a power supply module. The chassis includes a rear panel and a front panel.

[0044] As shown Figures 3 to 8 in the figure, for the intercom communication control device, the radio frequency interfaces D1 and D2 are arranged in the rear panel area; the fan A1 is arranged in the front panel area; the fan A1 is used for cooling the radio frequency transmission module.

[0045] As shown Figure 7 in the figure, the front panel area includes an air duct opening A1 and an air duct opening A2; the air flow channels of the air duct opening A1 and the fan A1 are connected; the air flow channels of the air duct opening A2 and the fan A2 are connected.

[0046] As shown Figure 7 in the figure, the front panel area further includes a control panel area of the human-machine interaction module. As shown Figure 7 in the figure, mounting ears are also installed on the left and right sides of the front panel area. The mounting ears are used to place the entire intercom communication control device as a standard component into a chassis with a standard size.

[0047] As shown Figures 3 to 8 in the figure, the power supply module is electrically connected to the radio frequency transmission module; the power supply module is electrically connected to the control module; the power supply module includes a fan B1, and the fan B1 is arranged in the rear panel area; the fan B1 is used for cooling the power supply module. The arrangement of the front and rear panels of the fan A1 and the fan B1 is not likely to cause competition for the air flow in the two heat dissipation channels, is more likely to form a fast heat dissipation air flow, and as a whole, the air flow circulation is smoother.

[0048] As shown Figures 3 to 8 in the figure, for the intercom communication control device, the control module includes a maintenance interface E, and the control main board is electrically connected to the maintenance interface E; the maintenance interface E is a serial port or a parallel port. It is convenient for data transmission during maintenance.

[0049] As shown Figures 3 to 8 in the figure, the control module includes a signal interface F, and the control main board is electrically connected to the signal interface F; the signal interface F is a network interface.

[0050] As shown Figures 3 to 8As shown, the power supply module includes a power supply module and a power interface C1. The power interface C1 is used to connect to alternating current, and the power interface C1 is electrically connected to the power supply module; the power interface C1 is provided in the rear panel area.

[0051] As Figures 3 to 8 shown, the power supply module includes a power supply module and a power interface C2. The power interface C2 is used to connect to direct current, and the power interface C2 is electrically connected to the power supply module; the power interface C2 is provided in the rear panel area.

[0052] As Figures 3 to 4 shown, the radio frequency transmission module and the power supply module are arranged on the left and right sides of the control module.

[0053] As Figures 3 to 8 shown, the radio frequency transmission module includes an air duct opening A3; the air duct opening A3 is used for the cooling air of the radio frequency transmission module to enter or be output to the outside of the device, and the air duct opening A3 is provided in the rear panel area.

[0054] As Figures 9 to 14 shown, the radio frequency power amplification module includes an upper shielding plate, a radio frequency circuit board, and a lower shielding plate; the upper shielding plate covers above the radio frequency circuit board; the lower shielding plate covers below the radio frequency circuit board; the lower shielding plate includes heat dissipation fins, and the heat dissipation fins are parallel to the air flow direction of the fan A1; the upper shielding plate includes more than one accommodation cavity, and the accommodation cavity is used to accommodate radio frequency devices.

[0055] As Figure 11 , one side of the upper shielding plate includes multiple areas for attaching to the device to be cooled. As Figure 12 , multiple heat dissipation fins are provided on the other side of the upper shielding plate, and the multiple heat dissipation fins are arranged in parallel. An air flow channel is formed between two heat dissipation fins; the direction of the air flow channel is parallel to the air flow direction of the fan A1.

[0056] As Figure 12 , the heat dissipation fins of the upper shielding plate include a group A heat dissipation fin, a group B heat dissipation fin, a group C heat dissipation fin, and a group D heat dissipation fin arranged in sequence from the edge to the center.

[0057] As Figure 12 , the group A heat dissipation fin includes symmetrically arranged heat dissipation fins A1 and A2; the group A heat dissipation fin surrounds the group B heat dissipation fin, the group C heat dissipation fin, and the group D heat dissipation fin, restricting the overall direction of the cooling air flow.

[0058] As Figure 12, the heat dissipation fins in Group B include symmetrically arranged heat dissipation fins B1 and B2; the heat dissipation fins in Group C include symmetrically arranged heat dissipation fins C1 and C2; the heat dissipation fins in Group D include symmetrically arranged heat dissipation fins D1 and D2; the heat dissipation fins in Group B, Group C, and Group D are such that the height of one end of the fins is lower than that of the other end, and the height difference between the two ends of the heat dissipation fins in Group B, Group C, and Group D decreases in sequence. The height difference extends along the direction of the fin body, and the length of the extension of the height difference of the heat dissipation fins closer to the center in the direction of the fin body is longer. The length of the extension of the height difference of the heat dissipation fins in the direction of the fin body is less than half of the length of the fin body. For the heat dissipation fins in the central area, lowering the height at one end can reduce wind resistance and facilitate the entry of the heat dissipation air flow. The symmetric distribution and extension design of the height difference can more smoothly form an efficient overall heat dissipation air flow and improve the heat dissipation efficiency.

[0059] Such as Figure 13 and Figure 14 , the upper shielding plate includes four accommodating cavities, namely accommodating cavity A, accommodating cavity B, accommodating cavity C, and accommodating cavity D, which are respectively used to cover the corresponding shielding bodies.

[0060] Such as Figures 9 to 10 shown, the radio frequency transmission module includes fan A2, and fan A2 is arranged in the front panel area; fan A2 is used for heat dissipation of the radio frequency transmission module.

[0061] The control module is electrically connected to fan A1; the control module is electrically connected to fan A2; the control module monitors the device temperature and controls the on / off and speed of fan A1 and fan A2 in segments according to the temperature to reduce noise and extend the service life of the fan. To avoid always starting one fan, if one fan works for a long time alone, it will cause one fan to work much longer than the other and affect the fan life. The control module will control the two fans to start alternately according to the start times, so as to balance the working time of the two fans and improve the working life.

[0062] Specifically, it can be that when the temperature is lower than the set threshold, fan A1 and fan A2 start alternately, and the rotation speed of the fan is selected according to the temperature situation. It can be that when the temperature is higher than the set threshold, fan A1 and fan A2 start simultaneously. It can also further control the rotation speed of fan A1 and / or fan A2 according to the temperature condition.

[0063] Such as Figure 6 , Figures 9 to 10 shown, the control module group includes at least one shielding cover, and the shielding cover covers part of the area of the control main board.

[0064] Such as Figure 6 , Figures 9 to 10As shown, the control module includes a shielding cover K1 and a shielding cover K2, and the shielding cover K1 and the shielding cover K2 respectively cover partial areas of the control main board.

[0065] In some embodiments, the length of the chassis housing is 403 mm, the height is 45 mm, and the width is 430 mm.

[0066] In some embodiments, the receiving frequency band of the radio frequency is any one of 400 MHz to 470 MHz, 450 MHz to 520 MHz, and 350 MHz to 400 MHz, and the transmitting frequency band is any one of 400 MHz to 470 MHz, 450 MHz to 520 MHz, and 350 MHz to 400 MHz.

[0067] The intercom communication control device in this application is used for an intercom base station or a relay station. The signal processing module and the control module are centrally arranged on a PCB. The radio frequency to intermediate frequency module in the radio frequency receiving module receives a radio frequency signal and converts the radio frequency signal into an intermediate frequency signal. The intermediate frequency decoding module decodes the intermediate frequency signal into a baseband digital signal. The radio frequency transmitting module is electrically connected to the excitation module. The excitation module is electrically connected to the signal processing module through a digital signal line. The baseband decoding module in the signal processing module decodes the baseband digital signal to obtain a communication protocol signal. The control module analyzes and processes the communication protocol signal to form a relay forwarding signal, and the control module sends the relay forwarding signal to the excitation module. The excitation module generates a radio frequency transmission signal and sends it to the radio frequency transmitting module. The radio frequency power amplification module amplifies the radio frequency transmission signal to form an amplified radio frequency transmission signal, and the radio frequency transmission signal is output to a transmitting antenna through a radio frequency interface D1.

[0068] The above are only embodiments of the present invention, and thus do not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the content of the invention specification and drawings, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present invention.

Claims

1. A walkie-talkie communication control device for a walkie-talkie base station or a relay station, characterized in that, it includes a radio frequency receiving module, a radio frequency transmitting module, a power supply module, a control module, and a human-machine interaction module; The control module includes a signal processing module and a control module; the signal processing module and the control module are centrally arranged on a PCB; the control module is connected to the human-machine interaction module through a control signal line; The radio frequency receiving module is electrically connected to the signal processing module through a radio frequency connection line; the radio frequency receiving module includes a radio frequency interface D2, a radio frequency to intermediate frequency module, and an intermediate frequency decoding module; the radio frequency interface D2 is connected to the receiving antenna; the radio frequency to intermediate frequency module receives the radio frequency signal and converts it into an intermediate frequency signal of 51.65 MHz, and the intermediate frequency decoding module decodes the intermediate frequency signal into a baseband digital signal; The radio frequency transmitting module includes a radio frequency interface D1, the radio frequency interface D1 is connected to the transmitting antenna, and the radio frequency transmitting module is electrically connected to the excitation module through a radio frequency connection line; The excitation module is electrically connected to the signal processing module through a digital signal line; the signal processing module includes a baseband decoding module and a baseband encoding module; The baseband decoding module decodes the baseband digital signal to obtain a communication protocol signal; the control module analyzes and processes the communication protocol signal to form a relay forwarding signal, and the control module sends the relay forwarding signal to the excitation module; The excitation module generates a radio frequency transmission signal according to the relay forwarding signal and sends it to the radio frequency transmitting module; the radio frequency transmitting module includes a radio frequency power amplification module for amplifying the radio frequency transmission signal to form an amplified radio frequency transmission signal, and the radio frequency transmission signal is output to the transmitting antenna through the radio frequency interface D1.

2. The walkie-talkie communication control device according to claim 1, characterized in that, The control module includes a main control board; the control signal line is a ribbon cable A; the human-machine interaction module includes a display control board; the main control board includes a port A2; the port A2 and the port on the display control board are electrically connected through the ribbon cable A; The radio frequency power amplification module includes a port B1, and the main control board includes a port B2; the port B1 and the port B2 are electrically connected through a ribbon cable B; It also includes a chassis and a fan A1; The radio frequency interface D1 and the radio frequency interface D2 are arranged in the rear panel area; the fan A1 is arranged in the front panel area; the fan A1 is used for dissipating heat from the radio frequency transmitting module; The power supply module is electrically connected to the radio frequency transmitting module; The power supply module is electrically connected to the control module; The power supply module includes a fan B1, and the fan B1 is arranged in the rear panel area; the fan B1 is used for dissipating heat from the power supply module.

3. The walkie-talkie communication control device according to claim 2, characterized in that, The control module includes a maintenance interface E, and the control main board is electrically connected to the maintenance interface E; the maintenance interface E is a serial port or a parallel port.

4. The walkie-talkie communication control device according to claim 2, characterized in that, The control module includes a signal interface F, and the control main board is electrically connected to the signal interface F; the signal interface F is a network interface.

5. The walkie-talkie communication control device according to claim 2, characterized in that, It includes any one or more of the following features: TA10: The power supply module includes a power supply module and a power interface C1. The power interface C1 is used to connect to alternating current and is electrically connected to the power supply module. The power interface C1 is set in the rear panel area; TA10: The power supply module includes a power supply module and a power interface C2. The power interface C2 is used to connect to direct current and is electrically connected to the power supply module. The power interface C2 is set in the rear panel area.

6. The interphone communication control device according to claim 2, wherein the radio frequency transmission module and the power supply module are arranged on the left and right sides of the control module.

7. The interphone communication control device according to claim 2, wherein the radio frequency transmission module includes an air duct opening A3; the air duct opening A3 is used for the cooling air of the radio frequency transmission module to enter or be output to the outside of the device, and the air duct opening A3 is set in the rear panel area.

8. The interphone communication control device according to claim 7, wherein the radio frequency power amplification module includes an upper shielding plate, a radio frequency circuit board, and a lower shielding plate; the upper shielding plate covers above the radio frequency power amplification module; the lower shielding plate covers below the radio frequency power amplification module; the lower shielding plate includes heat dissipation fins, and the heat dissipation fins are parallel to the wind direction of the fan A1; the upper shielding plate includes more than one accommodating cavity, and the accommodating cavity is used to accommodate radio frequency devices.

9. The intercom communication control device according to claim 2, wherein including any one or more of the following features: Feature TB10: The radio frequency transmission module includes a fan A2, and the fan A2 is set in the front panel area; the fan A2 is used for dissipating heat from the radio frequency transmission module; the fan A1 and the fan A2 are controlled by the control module, and when the temperature is lower than the set threshold, the fan A1 and the fan A2 are alternately started one by one; Feature TB20: The control module includes at least one shielding cover, and the shielding cover covers a part of the control main board; Feature TB21: The control module includes a shielding cover K1 and a shielding cover K2, and the shielding cover K1 and the shielding cover K2 respectively cover a part of the control main board.

10. The intercom communication control device according to claim 2, wherein including any one or more of the following features: Feature TC30: The length of the chassis shell is 403 mm, the height is 45 mm, and the width is 430 mm; Feature TC40: The receiving frequency band of the radio frequency is any one of 400 MHz - 470 MHz, 450 MHz - 520 MHz, 350 MHz - 400 MHz, and the transmitting frequency band is any one of 400 MHz - 470 MHz, 450 MHz - 520 MHz, 350 MHz - 400 MHz.

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