Overall circuit case of outdoor spread spectrum tracking receiver

Abstract

The utility model relates to the technical field of spread spectrum tracking receiver cases, in particular to an outdoor spread spectrum tracking receiver complete machine circuit case which comprises a main board, a receiver board and a case body, the main board and the receiver board are evenly distributed in the case body, and a wind shield extending in the vertical direction is arranged on the upper half portion of the case body. The case is divided into a first side and a second side through the wind shield, the mainboard is arranged at the lower half part of the first side of the case, the receiver board is arranged at the upper half part of the second side of the case, and heat dissipation parts are arranged at the tops of the mainboard and the receiver board. According to the utility model, targeted heat dissipation can be carried out on components with relatively high heat productivity in the spread spectrum tracking receiver, an air channel is formed in the spread spectrum tracking receiver, internal heat dissipation is facilitated, wind resistance is relatively small, and meanwhile, devices and circuits of all board cards are selected according to outdoor environment temperature (40-60 DEG C), so that the heat dissipation efficiency is improved. Therefore, the spread spectrum tracking receiver with the mounting structure can meet the use requirements of indoor and outdoor scenes at the same time, and has higher applicability.

Description

Technical Field

[0001] The utility model relates to the technical field of a spread spectrum tracking receiver chassis, in particular to an outdoor spread spectrum tracking receiver complete circuit chassis. Background Art

[0002] Spread spectrum receivers have certain requirements for the working environment temperature, and the temperature needs to be strictly controlled to ensure accurate signal reception and processing. At the same time, with the development of technology, higher requirements are also put forward for adaptability and performance maintenance in high temperature environments. Therefore, when designing and applying spread spectrum receivers, the impact of temperature on its performance should be comprehensively considered, and corresponding measures should be taken to optimize its performance under high temperature working conditions.

[0003] The currently developed spread spectrum tracking receivers are all indoor types with an operating temperature range of 0 to 40°C, which cannot meet the requirements of outdoor working environments. Therefore, there is an urgent need for a spread spectrum tracking receiver circuit chassis that can adapt to outdoor working environments. Utility Model Content

[0004] The purpose of the utility model is to provide an outdoor spread spectrum tracking receiver complete circuit chassis, by arranging a wind shield on the upper half of the chassis, dividing the chassis into a first side and a second side by the wind shield, and arranging a receiver board at the top of the second side of the chassis, and arranging a main board at the bottom of the first side of the chassis, and dissipating heat through a heat dissipation part arranged on the top of the main board and the receiver board, so as to carry out targeted heat dissipation of components with higher heat generation inside the spread spectrum tracking receiver, and form an air duct inside to facilitate internal heat dissipation, and with less wind resistance, so as to solve the problems pointed out in the background technology.

[0005] The embodiment of the utility model is realized through the following technical scheme: an outdoor spread spectrum tracking receiver complete circuit chassis, including a main board, a receiver board and a chassis, wherein the main board and the receiver board are both arranged in the chassis, and the upper half of the chassis is provided with a windshield extending in a vertical direction, and the chassis is divided into a first side and a second side by the windshield, wherein the main board is arranged at the lower half of the first side of the chassis, and the receiver board is arranged at the upper half of the second side of the chassis, and the top of the main board and the receiver board are both provided with a heat dissipation part.

[0006] According to a preferred embodiment, heat dissipation holes are provided at the bottom of the first side of the chassis and the top of the second side of the chassis, so that an inverted "Y"-shaped air duct is formed inside the chassis.

[0007] According to a preferred embodiment, it also includes a 24V adapter board, a delay switch, a crystal oscillator, a channel box and a differential board, wherein the 24V adapter board is connected to the power input terminal of the delay switch, the main board is connected to the signal input terminal of the delay switch, the power output terminal of the delay switch is connected to the power input terminal of the receiver board, the receiver board is communicatively connected to the main board, the signal input terminal of the receiver board is connected to the crystal oscillator and the channel box, and the differential signal output terminal of the receiver board is connected to the differential board.

[0008] According to a preferred implementation, the 24V adapter board, delay switch, main board, receiver board, crystal oscillator, channel box and differential board all use high temperature resistant components.

[0009] According to a preferred embodiment, the 24V adapter board, differential board and delay switch are all arranged in the upper half of the first side of the chassis, and the heat dissipation part located on the first side of the chassis is arranged between the 24V adapter board and the main board.

[0010] According to a preferred embodiment, the channel box and the crystal oscillator are arranged on the lower half of the second side of the chassis.

[0011] According to a preferred embodiment, the heat dissipation portion located on the second side of the wind shield includes a first fan and a second fan.

[0012] The technical solution of an outdoor spread spectrum tracking receiver circuit chassis in an embodiment of the utility model has at least the following advantages and beneficial effects: the utility model arranges a wind shield on the upper half of the chassis, divides the chassis into a first side and a second side by the wind shield, and arranges the receiver board at the top of the second side of the chassis, arranges the main board at the bottom of the first side of the chassis, and dissipates the heat through the heat dissipation part arranged on the top of the main board and the receiver board, which can dissipate the heat of components with higher heat generation inside the spread spectrum tracking receiver in a targeted manner, and form an air duct inside to facilitate internal heat dissipation with less wind resistance. At the same time, the devices and circuits of all boards are selected according to the outdoor ambient temperature (40-60°C), so that the spread spectrum tracking receiver with this installation structure can meet the use requirements of indoor and outdoor scenes at the same time, and has higher applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A structural block diagram of a circuit chassis of an outdoor spread spectrum tracking receiver provided in Example 1 of the utility model;

[0014] Figure 2 A schematic diagram of the internal installation of a circuit chassis of an outdoor spread spectrum tracking receiver provided in Example 2 of the utility model;

[0015] Figure 3 A schematic diagram of the bottom plate of the circuit chassis of the outdoor spread spectrum tracking receiver provided in Example 2 of the utility model;

[0016] Icons: 1-left panel, 2-right panel, 3-channel box pad, 4-crystal pad, 5-first corner piece, 6-second corner piece, 7-wind shield, 8-foot pad, 9-cover, 10-spread spectrum receiver board, 11-main board, 12-differential board, 13-delay switch, 14-crystal oscillator, 15-channel box, 16-24V adapter board, 17-fan, 18-SMA adapter, 19-socket, 20-grounding column, 21-indicator light, 22-metal button, 23-switch, 24-handle, 25-aviation plug. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0018] Example 1

[0019] See also Figure 1 As shown, Figure 1 The structure block diagram of the circuit chassis of the outdoor spread spectrum tracking receiver provided by the embodiment of the utility model. More specifically, the circuit chassis of the outdoor spread spectrum tracking receiver adopts high temperature resistant components to adapt to the high temperature working environment outdoors; the components of the spread spectrum tracking receiver include a 24V adapter board 16, a delay switch 13, a main board 11, a receiver board, a crystal oscillator 14, a channel box 15 and a differential board 12.

[0020] In one implementation of this embodiment, the 24V adapter board 16 is connected to the power input end of the delay switch 13, and the 24V adapter board 16 converts the interface between the power module and the delay switch 13 to achieve the connection between the power module and the delay switch 13, so that the delay switch 13 can be compatible with the 24V power module; further, the 24V adapter board 16 selected in this embodiment is a TM-DC24V converter.

[0021] The mainboard 11 is connected to the signal input terminal of the delay switch 13 and is used to send a control instruction to the delay switch 13 to instruct the delay switch 13 to delay power-on. The model of the mainboard 11 selected in this embodiment is MIO-5272.

[0022] The power output end of the delay switch 13 is connected to the power input end of the receiver board. After the delay switch 13 is powered on after a delay, the receiver board is powered on.

[0023] The receiver board is in communication connection with the main board 11, and is used for data exchange between the receiver board and the main board 11 after the receiver board is powered on.

[0024] The signal input end of the receiver board is connected to the crystal oscillator 14 and the channel box 15, wherein the signal input end connected to the crystal oscillator 14 plays the role of a synchronization clock, thereby ensuring that the spread spectrum receiver correctly decodes and sends the spread spectrum signal. The selected crystal oscillator 14 is the TM-10M-40OT crystal oscillator 14; the signal input end of the receiver board is connected to the crystal oscillator 14 to play the role of signal processing, frequency synchronization and other functions. In one implementation of this embodiment, the channel box 15 has two intermediate frequency input ports.

[0025] The differential signal output end of the receiver board is connected to the differential board 12, and the differential board 12 processes the signal of the receiver board to improve the signal quality and reliability; the selected differential board 12 is a TTL-DIF differential board 12. In addition, the receiver board also has two antenna control unit output ports to connect to different antenna systems or perform antenna switching.

[0026] See also Figure 2 As shown, the upper half of the chassis of the spread spectrum tracking receiver is provided with a windshield 7 extending in the vertical direction, and the chassis is divided into a first side and a second side by the windshield 7, wherein the main board 11 is arranged at the lower half of the first side of the chassis, and the receiver board is arranged at the upper half of the second side of the chassis, and the main board 11 and the receiver board are provided with heat dissipation parts on the top.

[0027] Preferably, heat dissipation holes are provided at the bottom of the first side of the chassis and the top of the second side of the chassis, so that an inverted "Y"-shaped air duct is formed inside the chassis.

[0028] Furthermore, the 24V adapter board 16, the differential board 12 and the delay switch 13 are all arranged in the upper half of the first side of the chassis. The heat dissipation part located on the first side of the chassis is arranged between the 24V adapter board 16 and the main board 11 through the second corner piece 6. The heat dissipation part is composed of a fan 17 to meet the heat dissipation requirements of the main board 11.

[0029] The channel box 15 and the crystal oscillator 14 are arranged in the lower half of the second side of the chassis, the crystal oscillator 14 is connected and fixed by the crystal oscillator 14 pad 4, and the channel box 15 is connected and fixed by the channel box 15 pad 3. The heat dissipation part located on the second side of the chassis is arranged above the receiver board through the second corner piece 6. The heat dissipation part is composed of a first fan and a second fan to meet the heat dissipation requirements of the receiver board.

[0030] Further, see Figure 3As shown, a heat dissipation hole is provided at the bottom of the chassis corresponding to the motherboard 11, and the left side of the heat dissipation hole is the left side plate 1. A plurality of SMA adapters 18 are arranged on the right side of the heat dissipation hole, and an aviation plug 25, an indicator light 21, a metal button 22 and a plurality of sockets 19 are arranged on the right side of the SMA adapter 18. A switch 23 and a brass grounding column 20 are arranged on the left side of the right side plate 2. In addition, a foot 8 is provided on the rear side of the bottom plate, and a handle 24 is provided at the front end of the foot 8.

[0031] The technical solution of an outdoor spread spectrum tracking receiver circuit chassis of an embodiment of the utility model has at least the following advantages and beneficial effects: the utility model arranges a windshield 7 on the upper half of the chassis, divides the chassis into a first side and a second side by the windshield 7, arranges the receiver board at the top of the second side of the chassis, arranges the main board 11 at the bottom of the first side of the chassis, and dissipates the heat through the heat dissipation part arranged on the main board 11 and the top of the receiver board, which can dissipate the heat of the components with higher heat generation inside the spread spectrum tracking receiver in a targeted manner, and forms an air duct inside to facilitate internal heat dissipation with less wind resistance. At the same time, the components and circuits of all boards are selected according to the outdoor ambient temperature (40-60°C), so that the spread spectrum tracking receiver with this installation structure can meet the use requirements of indoor and outdoor scenes at the same time, and has higher applicability.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A circuit chassis of an outdoor spread spectrum tracking receiver, comprising a main board (11), a receiver board and a chassis, wherein the main board (11) and the receiver board are arranged in the chassis, characterized in that: The upper half of the chassis is provided with a windshield (7) extending in a vertical direction, and the chassis is divided into a first side and a second side by the windshield (7), wherein the main board (11) is provided at the lower half of the first side of the chassis, and the receiver board is provided at the upper half of the second side of the chassis, and the tops of the main board (11) and the receiver board are both provided with heat dissipation parts.

2. The outdoor spread spectrum tracking receiver complete circuit chassis as claimed in claim 1, characterized in that: The bottom of the first side of the chassis and the top of the second side of the chassis are both provided with heat dissipation holes, so that an inverted "Y"-shaped air duct is formed inside the chassis.

3. The outdoor spread spectrum tracking receiver complete circuit chassis as claimed in claim 2, characterized in that: The invention also comprises a 24V adapter board (16), a delay switch (13), a crystal oscillator (14), a channel box (15) and a differential board (12), wherein the 24V adapter board (16) is connected to the power input end of the delay switch (13), the main board (11) is connected to the signal input end of the delay switch (13), the power output end of the delay switch (13) is connected to the power input end of the receiver board, the receiver board is communicatively connected to the main board (11), the signal input end of the receiver board is connected to the crystal oscillator (14) and the channel box (15), and the differential signal output end of the receiver board is connected to the differential board (12).

4. The outdoor spread spectrum tracking receiver complete circuit chassis as claimed in claim 3, characterized in that: The 24V adapter board (16), the delay switch (13), the main board (11), the receiver board, the crystal oscillator (14), the channel box (15) and the differential board (12) all use high temperature resistant components.

5. The circuit chassis of the outdoor spread spectrum tracking receiver as claimed in claim 3, characterized in that: The 24V adapter board (16), the differential board (12) and the delay switch (13) are all arranged on the upper half of the first side of the chassis, and the heat dissipation part located on the first side of the chassis is arranged between the 24V adapter board (16) and the main board (11).

6. The circuit chassis of the outdoor spread spectrum tracking receiver as claimed in claim 3, characterized in that: The channel box (15) and the crystal oscillator (14) are arranged on the lower half of the second side of the chassis.

7. The circuit chassis of an outdoor spread spectrum tracking receiver according to any one of claims 3 to 6, characterized in that: The heat dissipation part located on the second side of the wind shield (7) comprises a first fan and a second fan.

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