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CN-224233739-U - Radio frequency signal modulator

CN224233739UCN 224233739 UCN224233739 UCN 224233739UCN-224233739-U

Abstract

The utility model relates to the field of modulators, in particular to a radio frequency signal modulator, which comprises a modulator shell and a positioning and fixing assembly, wherein four pad feet are symmetrically arranged at the lower end of the modulator shell, two heat dissipation mounting grooves are symmetrically arranged at the two sides of the lower end of the modulator shell, the two heat dissipation mounting grooves are movably inserted and provided with heat dissipation assemblies, the heat dissipation assemblies comprise heat dissipation plates and damping slots, the bottom of the modulator shell is provided with two heat dissipation mounting grooves matched with the heat dissipation assemblies, then a maintenance window is arranged in the heat dissipation mounting grooves in the inner cavity of the modulator shell, the maintenance window is arranged in a large area, the rapid opening and maintenance can be performed when an electronic element in the modulator shell needs to be overhauled, then under the cooperation of the positioning and fixing assembly, the operation is simpler and more convenient when the heat dissipation plates are opened and closed, and filter cotton arranged in the heat dissipation assemblies can circularly filter a large amount of dust in the modulator shell, and the maintenance window is convenient to detach and replace.

Inventors

  • ZHANG ZI
  • WANG YANXIAN
  • SONG WEI

Assignees

  • 上海麟科电子科技有限责任公司

Dates

Publication Date
20260512
Application Date
20250417

Claims (7)

  1. 1. A radio frequency signal modulator, comprising: The device comprises a modulator shell (1), wherein four pad feet (16) are symmetrically arranged at the lower end of the modulator shell (1), two heat dissipation installation grooves (2) are symmetrically formed in two sides of the lower end of the modulator shell (1), heat dissipation components are movably inserted in the two heat dissipation installation grooves (2), and each heat dissipation component comprises a heat dissipation plate (3) and a damping slot (7); The positioning and fixing assembly is arranged between the two radiating mounting grooves (2) of the modulator shell (1), and comprises two control knobs (8), two fixed inserting blocks (10) are movably inserted on the two control knobs (8), and the two fixed inserting blocks (10) are respectively inserted on one sides of the two radiating plates (3).
  2. 2. The radio frequency signal modulator of claim 1, wherein the heat dissipation installation grooves (2) are communicated with the inner cavity of the modulator shell (1), a maintenance window (15) is formed in the inner cavity, and the cross-sectional area of the maintenance window (15) is smaller than that of the heat dissipation installation grooves (2).
  3. 3. The radio frequency signal modulator according to claim 2, wherein two assembling pin holes (4) are symmetrically arranged on the far side of the two radiating installation grooves (2), two connecting pins (5) are symmetrically arranged on one side of the radiating plate (3), and the two connecting pins (5) are movably inserted into the two assembling pin holes (4) respectively.
  4. 4. The radio frequency signal modulator according to claim 3, wherein a filling groove (6) is formed in one side, far away from the connecting pin (5), of the radiating plate (3), and the filter cotton (17) is horizontally inserted into the filling groove (6).
  5. 5. The radio frequency signal modulator according to claim 4, wherein the modulator housing (1) is horizontally provided with a supporting beam between the two heat dissipation mounting grooves (2), two damping slots (7) are symmetrically arranged on the supporting beam, and one sides of the two control knobs (8) are respectively in damping rotation connection with the two damping slots (7).
  6. 6. The radio frequency signal modulator of claim 5, wherein the spring expansion grooves (9) are formed in the two inner sides of the control knob (8) in a penetrating manner, one sides of the two fixed plug blocks (10) are respectively and horizontally movably inserted into the two spring expansion grooves (9) and provided with the constraint blocks (11), the fixed springs (12) are arranged on one sides of the constraint blocks (11), the length of the spring expansion grooves (9) extending out of the control knob (8) is smaller than the depth of the spring expansion grooves (9), the yielding grooves (13) are formed in the two heat dissipation installation grooves (2) which are communicated in the damping slot (7), the two fixed plug blocks (10) respectively and movably penetrate through the two yielding grooves (13) and are inserted into the filling grooves (6) of the two heat dissipation plates (3), and one side surface of the fixed plug blocks (10) inserted into the filling grooves (6) is an inclined surface.
  7. 7. The radio frequency signal modulator according to claim 6, wherein a sucking disc (14) is embedded on one side of the control knob (8) extending out of the damping slot (7), and the height of the sucking disc (14) and the height of the distance modulator shell (1) after the table top is extruded is equal to the height of the pad feet (16).

Description

Radio frequency signal modulator Technical Field The utility model relates to the field of modulators, in particular to a radio frequency signal modulator. Background The radio frequency signal modulator is short for adjacent frequency modulator, and has the functions of modulating video signals and audio signals provided by signal sources (such as digital television set top box, satellite engineering receiver DVS-398, DVD (digital video recorder), computer, video camera, television demodulator and other AV signal sources) into stable high-frequency radio frequency oscillation signals, wherein the video is in an amplitude modulation mode, and the audio is in a frequency modulation mode; The patent of current publication number CN207099211U discloses a TV communication multicarrier modulation device, including the modulator body, the upper surface both sides of modulator body are equipped with the radiator, control panel is installed in the front of modulator body, control panel's surface is equipped with TS input interface, LCD, pilot lamp and operating button, this modulator supports single frequency net mode and multifrequency net mode, accord with high quality radio frequency modulation index, support transmission stream packet mode and burst mode, because the modulator is in order to ensure good performance, can set up radiator unit on the organism, radiator unit is mostly the form of fan cooperation heat dissipation window, the heat dissipation window sets up for the trompil, can get into a large amount of dust when leading to later stage use, and current equipment is when breaking down, the casing dismantles and overhauls comparatively time consuming and laborious, inconvenient use. Disclosure of utility model The present utility model is directed to a radio frequency signal modulator, which solves the above-mentioned problems of the prior art. In order to achieve the above object, the present utility model provides a radio frequency signal modulator, comprising: The modulator comprises a modulator shell, wherein four pad feet are symmetrically arranged at the lower end of the modulator shell, two heat dissipation mounting grooves are symmetrically formed in two sides of the lower end of the modulator shell, heat dissipation components are movably inserted in the two heat dissipation mounting grooves, and each heat dissipation component comprises a heat dissipation plate and a damping slot; The positioning and fixing assembly is arranged between the two heat dissipation mounting grooves of the modulator shell and comprises two control knobs, two fixed plug blocks are movably inserted on the two control knobs, and the two fixed plug blocks are respectively inserted on one sides of the two heat dissipation plates. Preferably, the heat dissipation mounting grooves are communicated with the inner cavity of the modulator shell, a maintenance window is formed in the inner cavity of the modulator shell, and the cross section area of the maintenance window is smaller than that of the heat dissipation mounting grooves. Preferably, two assembling pin holes are symmetrically arranged on the far side of the heat dissipation installation groove, two connecting pins are symmetrically arranged on one side of the heat dissipation plate, and the two connecting pins are movably inserted into the two assembling pin holes respectively. Preferably, a filling groove is formed in one side, far away from the connecting pin, of the heat dissipation plate in a penetrating mode, and the filter cotton is horizontally inserted into the filling groove. Preferably, the modulator shell is horizontally provided with a supporting beam between the two heat dissipation mounting grooves, two damping slots are symmetrically formed in the supporting beam, and one sides of the two control knobs are respectively in damping rotation insertion connection with the two damping slots. Preferably, the spring expansion groove has all been run through to both sides in the control knob, two fixed insert one side respectively the level activity peg graft two spring expansion groove in and be equipped with the restriction piece, restriction piece one side all is equipped with fixed spring, the length that the spring expansion groove stretches out control knob is less than the degree of depth of spring expansion groove, the groove of stepping down has all been seted up to two heat dissipation mounting grooves of intercommunication in the damping slot, two fixed insert respectively the activity run through two grooves of stepping down and peg graft the filling inslot of two heating panels, and fixed insert grafting filling inslot one side is the inclined plane. Preferably, a sucking disc is embedded on one side of the control knob extending out of the damping slot, and the height of the sucking disc and the height of the distance modulator shell after the table top is extruded are equal to the height of the pad feet. Compared with the prior art, the util