CN215935221U - Signal test equipment with wireless connection - Google Patents

Abstract

The utility model relates to the technical field of signal testing, and discloses a signal testing device with wireless connection, which comprises a testing machine shell, wherein two signal receivers are fixedly arranged at the top of the testing machine shell, a display is fixedly arranged in the testing machine shell, a switch is fixedly arranged on the outer wall of the testing machine shell, when wind passes through the dust filter screen, the movably arranged abutting frame rotates towards the dust filter screen under the action of wind force, meanwhile, the elastic connecting block is movably connected with the abutting frame through the tension spring, when the abutting frame rotates, the tension spring is continuously stretched, compressed and rebounded, at the moment, the abutting frame can irregularly swing back and forth under the elasticity of the abutting frame and the interaction force of the tension spring and wind power, and when the abutting frame swings, an outward acting force can be applied to the dust filter screen, when the dust filter screen is acted by an acting force, certain vibration can be generated to shake off dust attached to the dust filter screen so as to avoid the problem that the heat dissipation is influenced by the blockage of the mesh holes caused by the attachment of the dust to the dust filter screen.

Description

Signal test equipment with wireless connection

Technical Field

The utility model relates to the technical field of signal testing, in particular to signal testing equipment with wireless connection.

Background

The signal is a physical quantity representing the message, for example, the electrical signal can represent different messages through changes of amplitude, frequency and phase, the electrical signal has two types of analog signals and digital signals, the signal is a tool for carrying the message and a carrier of the message, the signal is usually required to be tested in the process of controlling through the signal, and a common signal testing device has the problem of errors of frequency comparison caused by manual confirmation.

According to the Chinese patent publication (with the publication number of CN212111636U), the signal extraction testing device comprises a shell, wherein signal receivers are fixed on the left side and the right side of the top of the shell through screws, a display is fixed on the upper front side of the shell through screws, a button is arranged on the left side below the display and is fixed on the shell through screws, a sliding rheostat is arranged on the right side of the button and is fixed on the shell through screws, speakers are installed above the left side and the right side of the shell through embedding, heat dissipation ports are arranged below the speakers, a power supply interface is installed in the center of the back of the shell through embedding, a spectrum analyzer is fixed on the upper left side inside the shell through screws, a controller is arranged on the right side of the spectrum analyzer, a temperature sensor is arranged above the right side of the spectrum analyzer, the temperature sensor and the controller are both fixed on the inner wall of the shell through screws, and a storage device is arranged on the right side of the controller; the signal extraction test equipment has the advantages of data display, signal extraction and signal test.

But when utilizing the dust screen to avoid outside dust to get into inside the equipment, the dust screen is inside through screw fixed mounting at the thermovent, and outside dust can be attached to on the dust screen, and after equipment long-term use, adnexed dust can be more and more on the dust screen, and partial mesh can probably be blockked up by the dust to the heat dissipation that leads to equipment receives the problem of influence.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a signal testing device with wireless connection, which solves the problems.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a take wireless connection's signal test equipment, including the tester shell, the top fixed mounting of tester shell has two signal receiver, the inside fixed mounting of tester shell has the display, the outer wall fixed mounting of tester shell has the switch, two mounting grooves have been seted up to the outer wall symmetry of tester shell, four fixed slots have been seted up to the outer wall symmetry of tester shell, the inside movable mounting of mounting groove has the frame, the inside fixed mounting of frame has the dust screen, the dust screen is tilt up's rectangle structure, a rectangle recess has been seted up to the inner wall bottom of frame, the inside movable mounting of the rectangle recess on the frame has elastic pressure frame of supporting, it forms by a frame piece and one elastic arc piece combination that has to support the pressure frame.

Preferably, the inner wall of the rectangular groove on the outer frame is symmetrically provided with two rotating grooves, and the outer wall of the abutting frame is fixedly provided with a rotating shaft movably connected with the two rotating grooves.

Preferably, two elastic connecting blocks with elasticity are fixedly installed on one side wall surface of the dust filtering net close to the abutting frame, and the elastic connecting blocks are movably connected with the abutting frame through tension springs.

Preferably, the outer wall of the outer frame is fixedly provided with two connecting blocks movably connected with the fixing groove, and the connecting blocks are in threaded connection with the fixing groove through two bolts.

Preferably, the bottom of the inner wall of the outer frame is provided with a dust collection groove, and the dust collection groove is a groove with a triangular cross section.

Preferably, the dust guiding groove is fixedly provided with a guiding sliding plate inside, the guiding sliding plate is formed by welding a downward-inclined rectangular plate and a vertical rectangular plate, and the guiding sliding plate extends to the outer side of the mounting groove.

(III) advantageous effects

Compared with the prior art, the utility model provides a signal testing device with wireless connection, which has the following beneficial effects:

1. this take wireless connection's signal test equipment, there is elastic support frame through the inside movable mounting of the rectangular channel on the frame, the inside fan of test machine shell links to each other with external power supply unit, the inside heat of fan operation drive test machine shell flows to the external world through the mounting groove, the inside dust filter screen of frame filters external dust, when wind passes through on the dust filter screen, movably mounted supports the pressure frame and receives the effect of wind power and rotates to dust filter screen direction, simultaneously elasticity splice block through extension spring with support pressure frame swing joint together, support the pressure frame when rotating, the extension spring is incessantly stretched the compression resilience, support the pressure frame this moment and can do the irregular swing back and forth under the elasticity of self and the mutual effort of extension spring and wind power, can exert outside effort to dust filter screen when supporting the pressure frame swing, can produce certain vibrations when supporting the dust filter screen and shake off with dust filter screen is last to avoid the dust to attach to dust filter screen and lead to mesh jam to influence The problem of heat dissipation.

2. This take wireless connection's signal test equipment, there is the dirt filtrating net through the inside fixed mounting at the frame, the dirt filtrating net is tilt up's rectangle structure, when the dirt filtrating net receives the effort in order to shake off the dust, the reducible dust of the dirt filtrating net of tilt state piles up the inside at the frame, the dust guide groove has been seted up to the inner wall bottom of frame simultaneously, the dust guide groove is the groove that the cross section is triangle-shaped, the inside fixed mounting who draws the dust groove has the slide plate simultaneously, the slide plate is formed by the rectangular plate of a downward sloping and the welding of a vertically rectangular plate, when the dust on the dirt filtrating net receives external effort and makes the dust on the dirt filtrating net shake off, can be along drawing the slide plate downward roll-off when the dust drops, in order to avoid most dust to drop to pile up the problem inside the frame.

3. This take wireless connection's signal test equipment through utilizing the bolt to be in the same place connecting block and fixed slot threaded connection, uses the back for a long time at equipment, and rotatory bolt breaks away from fixed slot and connecting block, and outside pulling frame, frame break away from the inside of mounting groove to dismantle the inside dirt filtrating screen of frame in order to carry out periodic cleaning maintenance to the dirt filtrating screen.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic partial semi-sectional perspective view of the present invention;

FIG. 4 is a partial schematic view of A of FIG. 3;

fig. 5 is a partial schematic view of B in fig. 3.

In the figure: 1. a tester housing; 2. a signal receiver; 3. a display; 4. a switch; 5. mounting grooves; 6. fixing grooves; 7. an outer frame; 8. connecting blocks; 9. a bolt; 10. a dust filter screen; 11. a dust collection groove; 12. a slide guiding plate; 13. rotating the groove; 14. a rotating shaft; 15. a pressing frame; 16. a tension spring; 17. an elastic connecting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a signal testing device with wireless connection comprises a testing machine housing 1, two signal receivers 2 are fixedly installed on the top of the testing machine housing 1, a display 3 is fixedly installed inside the testing machine housing 1, a switch 4 is fixedly installed on the outer wall of the testing machine housing 1, two fans are fixedly installed inside the testing machine housing 1 through two rectangular blocks, two mounting grooves 5 are symmetrically formed in the outer wall of the testing machine housing 1, the mounting grooves 5 are rectangular through holes, four fixing grooves 6 are symmetrically formed in the outer wall of the testing machine housing 1, the fixing grooves 6 are rectangular grooves, the insides of the fixing grooves 6 are communicated with the insides of the mounting grooves 5, an outer frame 7 is movably installed inside the mounting grooves 5, the outer frame 7 is of a rectangular ring structure, a dust filter screen 10 is fixedly installed inside the outer frame 7, and the dust filter screen 10 is of an upward inclined rectangular structure, the outer wall of the outer frame 7 is fixedly provided with two connecting blocks 8 which are movably connected with the fixed groove 6, each connecting block 8 is a rectangular block, the inner wall of the fixed groove 6 is provided with two circular threaded holes, the positions of the outer wall of each connecting block 8, which correspond to the circular threaded holes on the fixed groove 6, are also provided with circular through holes, each connecting block 8 is in threaded connection with the fixed groove 6 through two bolts 9, the bottom of the inner wall of the outer frame 7 is provided with a dust guiding groove 11, each dust guiding groove 11 is a groove with a triangular cross section, the hollow area inside the dust guiding groove 11 is communicated with one side wall surface of the dust guiding groove 11, which is far away from the inside of the test machine shell 1, the inside of the dust guiding groove 11 is fixedly provided with a dust guiding plate 12, the dust guiding plate 12 is formed by welding a downward-inclined rectangular plate and a vertical rectangular plate, the dust guiding plate 12 extends to the outer side of the mounting groove 5 all the time, and the bottom of the inner wall of the outer frame 7 is provided with a rectangular groove, the inside movable mounting of the rectangle recess on the frame 7 has elastic support and presses frame 15, support and press frame 15 to be formed by a frame piece and the combination of elastic arc piece that has, two revolving chutes 13 have been seted up to the inner wall symmetry of the rectangle recess on the frame 7, revolving chute 13 is the circular slot, the outer wall fixed mounting who supports and press frame 15 has pivot 14 together with two revolving chutes 13 swing joint, pivot 14 is cylindrical structure, dust filter 10 is close to one side wall fixed mounting who supports and presses frame 15 has two elastic connection blocks 17, elastic connection block 17 is spherical structure, elastic connection block 17's outer wall is lined with rubber, elastic connection block 17 through extension spring 16 with support and press frame 15 swing joint together.

The working principle is as follows: the elastic pressing frame 15 is movably arranged inside the rectangular groove on the outer frame 7, a fan inside the test machine shell 1 is connected with external power supply equipment, the fan operates to drive heat inside the test machine shell 1 to flow to the outside through the mounting groove 5, the dust filtering net 10 inside the outer frame 7 filters external dust, when wind passes through the dust filtering net 10, the movably arranged pressing frame 15 rotates towards the dust filtering net 10 under the action of the wind, meanwhile, the elastic connecting block 17 is movably connected with the pressing frame 15 through the tension spring 16, when the pressing frame 15 rotates, the tension spring 16 is continuously stretched, compressed and rebounded, at the moment, the pressing frame 15 can randomly swing back and forth under the self elasticity and the interaction force of the tension spring 16 and the wind, when the pressing frame 15 swings, an outward acting force can be applied to the dust filtering net 10, and when the dust filtering net 10 is under the acting force, certain vibration can be generated to shake off dust attached to the dust filtering net 10 to avoid the dust from attaching to the dust filtering net 10 and causing the dust to be attached to the dust filtering net 10 The blockage of the meshes influences the heat dissipation; the dust filtering net 10 is fixedly installed in the outer frame 7, the dust filtering net 10 is of an upwards inclined rectangular structure, when the dust filtering net 10 is acted by an acting force to shake off dust, the dust filtering net 10 in an inclined state can reduce dust accumulated in the outer frame 7, meanwhile, a dust guiding groove 11 is formed in the bottom of the inner wall of the outer frame 7, the dust guiding groove 11 is a groove with a triangular cross section, a dust guiding plate 12 is fixedly installed in the dust guiding groove 11, the dust guiding plate 12 is formed by welding a downwards inclined rectangular plate and a vertical rectangular plate, when dust on the dust filtering net 10 is acted by an external acting force to shake off the dust on the dust filtering net 10, the dust can slide downwards along the surface of the dust guiding plate 12 when falling off, and the problem that most of the dust falls off and is accumulated in the outer frame 7 is solved; through utilizing bolt 9 to be in the same place connecting block 8 and fixed slot 6 threaded connection, after equipment long-term use, swivel bolt 9 breaks away from fixed slot 6 and connecting block 8, outwards pulls frame 7, and frame 7 breaks away from the inside of mounting groove 5 to dismantle the inside dust screen 10 of frame 7 and carry out periodic cleaning maintenance with dust screen 10.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a take wireless connection's signal test equipment, includes tester shell (1), the top fixed mounting of tester shell (1) has two signal receiver (2), and the inside fixed mounting of tester shell (1) has display (3), and the outer wall fixed mounting of tester shell (1) has switch (4), its characterized in that: two mounting grooves (5) have been seted up to the outer wall symmetry of test machine shell (1), four fixed slots (6) have been seted up to the outer wall symmetry of test machine shell (1), the inside movable mounting of mounting groove (5) has frame (7), the inside fixed mounting of frame (7) has dust filter screen (10), dust filter screen (10) are the rectangle structure of tilt up, a rectangle recess has been seted up to the inner wall bottom of frame (7), the inside movable mounting of the rectangle recess on frame (7) has elastic support and presses frame (15), it forms by a frame piece and the combination of one elastic arc piece that has to support and press frame (15).

2. A signal testing device with wireless connection according to claim 1, characterized in that: two rotating grooves (13) are symmetrically formed in the inner wall of the rectangular groove in the outer frame (7), and rotating shafts (14) movably connected with the two rotating grooves (13) are fixedly installed on the outer wall of the pressing frame (15).

3. A signal testing device with wireless connection according to claim 1, characterized in that: two elastic connecting blocks (17) with elasticity are fixedly installed on one side wall surface of the dust filtering net (10) close to the abutting frame (15), and the elastic connecting blocks (17) are movably connected with the abutting frame (15) through tension springs (16).

4. A signal testing device with wireless connection according to claim 1, characterized in that: the outer wall of the outer frame (7) is fixedly provided with two connecting blocks (8) which are movably connected with the fixing groove (6), and the connecting blocks (8) are connected with the fixing groove (6) through two bolts (9) in a threaded manner.

5. A signal testing device with wireless connection according to claim 1, characterized in that: the dust collection groove (11) is formed in the bottom of the inner wall of the outer frame (7), and the cross section of the dust collection groove (11) is a triangular groove.

6. The signal testing device with wireless connection of claim 5, wherein: the dust guiding groove (11) is internally and fixedly provided with a guiding sliding plate (12), the guiding sliding plate (12) is formed by welding a downward-inclined rectangular plate and a vertical rectangular plate, and the guiding sliding plate (12) extends to the outer side of the mounting groove (5).

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