CN211240648U - Integrated repeater case for radio frequency module - Google Patents

Abstract

The utility model relates to the technical field of wireless communication equipment, in particular to an integrated repeater case for a radio frequency module, which comprises a box body, wherein the bottom wall in the box body is provided with a mounting block matched with a radio frequency module, the radio frequency module is mounted on the box body through a locking piece, the bottom wall outside the box body is adhered with a heat dissipation plate, an electric fan is arranged in the box body, a detection device is arranged in the box body, the detection device is used for detecting the temperature around the radio frequency module and outputting a detection signal, the detection device is coupled with the control device, the control device is used for receiving the detection signal and outputting a control signal, the control device is coupled with an execution device, the executing device is used for receiving the control signal and outputting the executing signal to the electric fan so as to start and stop the electric fan, a box cover matched with the box body is arranged on the box body, and heat dissipation holes are formed in the box cover. The utility model has the advantages of the radiating effect is good, satisfy high heat flux density chip heat dissipation.

Description

Integrated repeater case for radio frequency module

Technical Field

The utility model relates to a wireless communication equipment technical field especially relates to a repeater machine case integrates that radio frequency module used.

Background

At present, modern repeater equipment is rapidly developing towards high integration, high-density assembly and high running speed. The radio frequency module serving as the core of the repeater equipment has more and more used functions, more and more consumed power consumption and more emitted heat. If the heat dissipation capability of the rf module is not strong, the dissipation of power will cause the temperature rise of the active area of the chip inside the rf module and the junction temperature rise. The failure rate of the component and the junction temperature are in an exponential relation, and the performance is reduced along with the increase of the junction temperature. The failure rate of the device increases by 1 time every 10 ℃ of the working temperature of the device.

Most of existing repeater cases are directly mounted on an aluminum profile radiator through a radio frequency module, and heat dissipation is achieved through convection between the aluminum profile radiator and air.

The above prior art solutions have the following drawbacks: because the aluminum alloy is used as the material of the aluminum profile radiator, the thermal conductivity of the aluminum alloy is not very good, the heat dissipation of the high-heat-flow-density chip cannot be met, and the heat dissipation performance of the repeater complete machine is directly influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a repeater machine case integrates that radio frequency module used solves the radiating problem of the unable high heat flux density chip of satisfying of general repeater complete machine.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides an integrated repeater machine case that radio frequency module used, includes the box, the bottom wall is equipped with the installation piece with radio frequency module matched with in the box, radio frequency module passes through the locking piece and installs on the box, the outer bottom wall subsides of box are equipped with the heating panel, be equipped with the electric fan in the box, be equipped with detection device in the box, detection device is used for detecting radio frequency module temperature level all around and exports detected signal, detection device is coupled with controlling means, controlling means is used for receiving detected signal and output control signal, controlling means is coupled with actuating device, actuating device is used for receiving control signal and exports actuating signal to the electric fan so that the electric fan opens and stops, be equipped with the case lid with box matched with on the box, the louvre has been seted up on.

Adopt above-mentioned technical scheme, the produced heat of radio frequency module in the box is enabled to the heating panel that sets up, through the heat transfer, guide outside the box fast from the box, thereby can play the effect of heat dissipation cooling, in addition, the detection device who sets up can detect the temperature height in the box, to this, can in the time of the high temperature in the box, in time reduce the temperature in the box through the electric fan, electric fan cooperation heating panel just can reduce the temperature in the box fast, thereby can improve the radiating effect, reduce the failure rate of components and parts.

The utility model discloses further set up to: the mounting block is provided with a clamping groove, and the radio frequency module is provided with a clamping block matched with the clamping groove.

By adopting the technical scheme, the clamping groove and the clamping block are matched with each other, so that the radio frequency module is initially stabilized on the mounting block, and the radio frequency module is effective.

The utility model discloses further set up to: the locking piece includes spacing, slider and driving piece, slider sliding connection is on radio frequency module, spacing is installed and has been seted up the spacing groove on the box lateral wall and spacing, spacing groove and slider tip joint cooperation, the driving piece sets up and is used for driving spacing card and advances the spacing inslot on radio frequency module.

Adopt above-mentioned technical scheme, spacing groove and the mutually supporting of slider can make the radio frequency module stable installation in the box indirectly, and the driving piece that sets up enables the quick spacing inslot that slides of slider, when the locking of radio frequency module is relieved to needs, directly relieves the locking of driving piece, to this, just can be very convenient shift radio frequency module's position.

The utility model discloses further set up to: the driving piece is a spring and a strip-shaped block, the strip-shaped block is installed on the radio frequency module, one end of the spring is installed on the strip-shaped block, the other end of the spring is connected with the sliding block, and the spring can drive the sliding block to be clamped into the limiting groove.

By adopting the technical scheme, the arranged spring can utilize the restoring force of the spring to drive the sliding block to move, and the operation mode is simple and convenient to realize.

The utility model discloses further set up to: the mounting block is provided with one and is detachably mounted on the inner bottom wall of the box body.

By adopting the technical scheme, more than one mounting block is arranged, so that the mounting blocks can be conveniently matched with a plurality of radio frequency modules, and in addition, the mounting blocks can be detachably mounted, so that the radio frequency modules can be indirectly driven to move to proper positions.

The utility model discloses further set up to: the box body is made of aluminum.

Adopt above-mentioned technical scheme, the box is made by the aluminium material, and its radiating effect is better, and the box is derived fast to the heat of being convenient for.

The utility model discloses further set up to: the box cover is installed on the box body through screws.

By adopting the technical scheme, the screw installation mode is adopted, the structure is simple, and the screw installation and replacement are convenient.

The utility model discloses further set up to: and a buffer cushion matched with the sliding block is arranged in the limiting groove.

Adopt above-mentioned technical scheme, the blotter of setting is made by the rubber material, can closely laminate mutually with the slider, and the inseparable joint of the slider of being convenient for is at the spacing inslot.

To sum up, the utility model discloses a beneficial technological effect does:

through the heating panel, the electric fan, detection device, controlling means and final controlling element mutually support, can utilize the heating panel to derive the heat conduction that produces in with the box, when the electric fan starts, the heat that enables in the box is more even distribution, avoid local position high temperature, influence the failure rate of components and parts, in addition, also can cooperate the heating panel, make the heat in the box discharge through the heating panel fast, to this, can reduce the temperature in the box fast, avoid the high temperature, influence the component failure rate.

Drawings

FIG. 1 is a schematic view of the overall structure of the box body and the box cover of the present invention;

fig. 2 is a schematic diagram of the positions of the card slot and the rf module in the present invention;

FIG. 3 is an enlarged view at A in FIG. 2;

fig. 4 is a schematic position diagram of the detecting device and the executing device in the present invention.

Reference numerals: 1. a box body; 11. a box cover; 2. a radio frequency module; 3. mounting blocks; 31. a card slot; 4. a locking member; 41. a limiting frame; 411. a limiting groove; 42. a slider; 43. a drive member; 431. a spring; 432. a bar-shaped block; 433. a slide rail; 5. a heat dissipation plate; 6. an electric fan; 7. a detection device; 8. a control device; 9. and an execution device.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, an integrated repeater case for a radio frequency module 2 comprises a case body 1 made of aluminum, a heat dissipation plate 5 is attached to the outer bottom wall of the case body 1, three mounting blocks 3 are mounted in the case body 1 through screws, referring to fig. 2, a clamping groove 31 is formed in each mounting block 3, a clamping block matched with the clamping groove 31 in a clamping mode is mounted on the radio frequency module 2, and a case cover 11 matched with the case body 1 is mounted on the case body 1 through screws.

Referring to fig. 1, in order to stably mount a radio frequency module 2 in a box 1, referring to fig. 3, a locking member 4 is disposed on the radio frequency module 2, the locking member 4 includes a limiting frame 41, a slider 42 and a driving member 43, the slider 42 is slidably connected to a bearing surface of the radio frequency module 2, the limiting frame 41 is mounted on a symmetrical side wall of the box 1, a limiting groove 411 engaged with the slider 42 is formed on the limiting frame 41, in this embodiment, the driving member 43 includes a spring 431, a bar 432 and a slide rail 433, the bar 432 is mounted on the bearing surface of the radio frequency module 2, the slide rail 433 is provided with two ends horizontally mounted on the bar 432, respectively, a through hole is formed on the slider 42, the slider 42 is slidably connected to the slide rail 433 through the through hole, one end of the spring 431 is connected to the bar 432, and the other end is connected to the slider 42, in this, and the slide block 42 can be firmly clamped in the limit slot 411.

Referring to fig. 2 and 4, in order to further cooperate with the heat dissipation plate 5 to improve the heat dissipation efficiency in the box 1, an electric fan 6 and a detection device 7 are installed in the box 1, wherein an air outlet of the electric fan 6 faces to the rf module 2 side, the detection device 7 is used for detecting the temperature in the box 1 and outputting a detection signal, the detection device 7 is coupled with a control device 8, the control device 8 is used for receiving the detection signal and outputting a control signal, the control device 8 is coupled with an execution device 9, the execution device 9 is used for receiving the control signal and outputting an execution signal to the electric fan 6 to enable the electric fan 6 to operate, and when the temperature in the box 1 is higher than a predetermined value, the execution device 9 outputs the execution signal to the electric fan 6 to enable the electric fan 6 to cool the box 1.

Referring to fig. 4, the detecting device 7 includes a temperature sensor and a comparator a1, the temperature sensor is coupled to a non-inverting terminal of the comparator a1, a temperature reference value is preset at a inverting terminal of the comparator a1, the control device 8 includes an NPN-type transistor Q1 and a relay (the relay includes a relay coil KM1 and a normally open contact switch KM 1-1), a base of the transistor Q1 is coupled to an output terminal of the comparator a1, an emitter is grounded, a collector is coupled to the relay coil KM1, and a power source VCC is coupled to the other end of the relay coil KM 1. The execution device 9 comprises a normally open contact switch KM1-1, an electric fan 6, a power supply, a normally open contact switch KM1-1 and the electric fan 6, wherein the power supply is sequentially connected in series, and the normally open contact switch KM1-1 is connected with the power supply.

The working principle is as follows: when the temperature in the box body 1 is higher than the temperature reference value, the comparator A1 outputs a high level to the base of the triode Q1, at the moment, the base of the triode Q1 is connected with the high level to be conducted, the relay coil KM1 is electrified, the normally open contact switch KM1-1 is closed, a loop where the electric fan 6 is located is conducted, the electric fan 6 starts to work, at the moment, on one hand, the electric fan 6 can enable the heat in the box body 1 to be distributed at all positions more uniformly, heat dissipation of the heat dissipation plate 5 is facilitated, and on the other hand, the electric fan 6 can also be directly used for cooling the interior of the box. By the method, the heat dissipation efficiency can be improved, and the failure rate of components is reduced.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. An integrated repeater case for a radio frequency module is characterized by comprising a case body (1), wherein a mounting block (3) matched with the radio frequency module (2) is arranged on the inner bottom wall of the case body (1), the radio frequency module (2) is mounted on the case body (1) through a locking piece (4), a heat dissipation plate (5) is attached to the outer bottom wall of the case body (1), an electric fan (6) is arranged in the case body (1), a detection device (7) is arranged in the case body (1), the detection device (7) is used for detecting the temperature around the radio frequency module (2) and outputting a detection signal, the detection device (7) is coupled with a control device (8), the control device (8) is used for receiving the detection signal and outputting a control signal, the control device (8) is coupled with an execution device (9), and the execution device (9) is used for receiving the control signal and outputting the execution signal to the electric fan (6) to start and stop the electric fan (6), the box body (1) is provided with a box cover (11) matched with the box body (1), and the box cover (11) is provided with heat dissipation holes.

2. The chassis of an integrated repeater for a radio frequency module according to claim 1, wherein the mounting block (3) is provided with a slot (31), and the radio frequency module (2) is provided with a clamping block matched with the slot (31).

3. The integrated repeater case for the radio frequency module according to claim 1, wherein the locking member (4) comprises a limiting frame (41), a sliding block (42) and a driving member (43), the sliding block (42) is slidably connected to the radio frequency module (2), the limiting frame (41) is installed on the side wall of the case body (1) and a limiting groove (411) is formed in the limiting frame (41), the limiting groove (411) is in clamping fit with the end portion of the sliding block (42), and the driving member (43) is arranged on the radio frequency module (2) and used for driving the limiting frame (41) to be clamped into the limiting groove (411).

4. The chassis of an integrated repeater for a radio frequency module according to claim 3, wherein the driving member (43) is a spring (431) and a bar block (432), the bar block (432) is installed on the radio frequency module (2), one end of the spring (431) is installed on the bar block (432), the other end is connected with the slider (42), and the spring (431) can drive the slider (42) to be clamped into the limiting groove (411).

5. The chassis of an integrated repeater for a radio frequency module according to claim 1, wherein the mounting block (3) is detachably mounted on the inner bottom wall of the box body (1).

6. The chassis of an integrated repeater for a radio frequency module according to claim 1, wherein the box body (1) is made of aluminum.

7. An integrated repeater cabinet for a radio frequency module according to claim 3, wherein the box cover (11) is installed on the box body (1) through screws.

8. The case of claim 3, wherein a buffer pad is disposed in the position-limiting groove (411) and is engaged with the slider (42).

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