CN218103106U

CN218103106U - Carrier-free alarm for broadcast transmitter

Info

Publication number: CN218103106U
Application number: CN202221738758.1U
Authority: CN
Inventors: 杨汉伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2022-12-20
Anticipated expiration: 2032-07-07

Abstract

The utility model discloses a broadcasting transmitter does not have carrier wave alarm, including box and dust screen, the bottom fixed mounting of box has the transmitter body, the equal fixed mounting of both sides face of box has heat dissipation grid, the upper surface and the lower surface of dust screen all articulate there is the inserted block, top the inside of inserted block has the T template through the recess interlude, the equal fixedly connected with supporting seat of both sides face of box, the surface of supporting seat articulates there is the locating plate, the last fixed surface of box installs the heat dissipation motor, the output of heat dissipation motor is through pivot fixedly connected with radiating vane, the inner wall fixedly connected with ventilating board of box, the lower surface of ventilating board articulates there are a plurality of regulating plates, and is a plurality of it has the connection connecting rod to articulate between the regulating plate, the right side wall of box is equipped with pushing structure, makes this device local fine dustproof and radiating effect through setting of a series of structures.

Description

Carrier-free alarm for broadcast transmitter

Technical Field

The utility model relates to a transmitter technical field specifically is a broadcast transmitter does not have carrier wave alarm.

Background

The main task of the transmitter is to modulate a high-frequency carrier wave with a useful low-frequency signal, and convert the high-frequency carrier wave into an electromagnetic wave which has a certain bandwidth at a certain central frequency and is suitable for being transmitted through an antenna. The method is widely applied to various civil and military equipment such as televisions, broadcasting, radars and the like. It can be widely used in TV, radio, communication, alarm, radar, remote control, remote measurement, electronic countermeasure and other civil and military equipments. The transmitter can be divided into four categories, frequency modulation, amplitude modulation, phase modulation and pulse modulation according to the modulation mode.

The prior art (publication No. CN 211429315U) provides a carrier-less alarm for a medium wave broadcast transmitter. The carrier-free alarm of the medium wave broadcast transmitter comprises: an outer frame; the control mainboard is arranged inside the outer frame, and is respectively provided with a radio frequency sampling circuit, a monitoring comparison circuit, an OR gate circuit, a delay alarm circuit, a power supply circuit and a clock control circuit; the power switch is arranged on the front side of the outer frame; and the clock display is arranged on the front surface of the outer frame. The utility model provides a medium wave broadcast transmitter no carrier wave alarm has medium wave broadcast transmitter no carrier wave alarm is a device that the carrier power of medium wave broadcast transmitter normal during operation transmission monitored the warning, and it can realize carrying out real-time supervision when the transmitter does not have the carrier wave or transmit power reduces to the inferior broadcasting, when monitoring above-mentioned condition after, gives alarm instruction, sends the alarm sound behind the delay time who sets for. However, the carrier-free alarm of the medium wave broadcast transmitter still has the following problems in practical use: because the transmitter often needs work for a long time without interruption, and the equipment often can produce great heat because of the operation of overload in long-time working process, if can not in time dispel the heat and can lead to the condition that its internal electronic component is burnt out, the life of device has been shortened, simultaneously lack effectual dust removal mechanism in the device, in the device in-process, and inside often can accumulate more dust and more dust often can lead to the condition that its inside part appears the heat dissipation inhomogeneous even burnt out, and can not evenly dispel the heat to the transmitter, lead to the transmitter probably to cause the circumstances of shutting down because the temperature is higher at the during operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a broadcast transmitter does not have carrier wave alarm to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a broadcast transmitter no carrier wave alarm, includes box and dust screen, the bottom fixed mounting of box has the transmitter body, the equal fixed mounting of both sides face of box has heat dissipation grid, the upper surface and the lower surface of dust screen all articulate there is the inserted block, the top the inside of inserted block is seted up flutedly, the upper surface activity interlude of recess has the T template, the equal fixedly connected with supporting seat of both sides face of box, the surface of supporting seat articulates there is the locating plate, the last fixed surface of box installs the heat dissipation motor, the output of heat dissipation motor is through pivot fixedly connected with radiating vane, the inner wall fixedly connected with ventilating board of box, the lower surface of ventilating board articulates there is a plurality of regulating plates, the roof of box rotates and is connected with the bull stick, and is a plurality of it articulates to have the connecting rod between the regulating plate, the right side wall of box is equipped with pushing structure.

Preferably, both sides face of box all fixedly connected with bottom socket, bottom socket and inserted block looks adaptation.

Preferably, a first spring is fixedly connected between the T-shaped plate and the groove, a clamping block is fixedly connected to one side, close to the box body, of the positioning plate, and a clamping groove is formed in one side, close to the clamping block, of the T-shaped plate.

Preferably, both sides face of box all fixedly connected with second spring, the tip fixedly connected with stripper plate of second spring, stripper plate and locating plate are closely laminated.

Preferably, the rotating shaft and the rotating rod are both connected with a transmission chain through a transmission wheel in a transmission manner, and a cam is fixedly sleeved at the bottom end of the rotating rod.

Preferably, the pushing structure comprises a pushing connecting rod, a sliding rail and a sliding plate, the sliding rail is fixed on the right side wall of the box body and is in sliding connection with the sliding plate, the pushing connecting rod is hinged to the sliding plate and the right adjusting plate respectively, and a third spring is fixedly connected between the sliding plate and the box body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses simple structure through the elastic effect of first spring, drives T template and shifts up to the highest point, and through the elastic action of second spring, this moment drives the stripper plate and outwards removes, and it promotes to the locating plate top to make the bottom of locating plate be close to box one side and remove, until driving the inside that the fixture block inserted the draw-in groove, locks the T template, thereby conveniently installs the dust screen, reverse operation can during the dismantlement, can also jack up when making things convenient for the dismouting and clear up, dustproof effectual, the continuity of being convenient for is dustproof;

2. the utility model discloses a heat dissipation motor work, it rotates to drive radiator vane, can accelerate the inside circulation of air speed of box this moment, make the inside heat of box carry out cold and hot exchange with the external world through the cooling grid, transmission effect through the conveying chain simultaneously, drive bull stick and cam rotate, can extrude the slide during cam rotation, the slide moves right, the cooperation promotes the transmission effect of connecting rod and connection connecting rod, make a plurality of regulating plates move right, when the cam is not extrudeed to the slide, the third spring resets this moment, make the regulating plate move left, thereby the cooperation regulating plate swings to both sides, can adjust radiator vane's wind direction, be convenient for carry out even heat dissipation on to the transmitter body.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged schematic structural diagram of a point a in fig. 1 of the present invention.

Fig. 3 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.

Fig. 4 is a schematic view of the top view structure of the ventilation board of the present invention.

In the figure: 1. a box body; 2. a dust screen; 3. a heat dissipation grid; 4. inserting a block; 5. a bottom socket; 6. a groove; 7. a T-shaped plate; 8. a first spring; 9. a supporting seat; 10. positioning a plate; 11. a clamping block; 12. a card slot; 13. a second spring; 14. a compression plate; 15. a heat dissipation motor; 16. a heat dissipating fin; 17. a ventilation board; 18. a rotating rod; 19. a conveyor chain; 20. a cam; 21. an adjusting plate; 22. connecting the connecting rod; 23. a slide rail; 24. a slide plate; 25. a connecting rod; 26. a third spring; 27. a transmitter body.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 and fig. 2, the present invention provides an embodiment: the utility model provides a broadcast transmitter no carrier alarm, including box 1 and dust screen 2, the bottom fixed mounting of box 1 has transmitter body 27, the equal fixed mounting of both sides face of box 1 has radiator-grid 3, the upper surface and the lower surface of dust screen 2 all articulate there is inserted block 4, recess 6 has been seted up to the inside of top inserted block 4, the upper surface activity interlude of recess 6 has T template 7, the equal fixedly connected with supporting seat 9 of both sides face of box 1, the surface of supporting seat 9 articulates there is locating plate 10, the equal fixedly connected with bottom socket 5 of both sides face of box 1, bottom socket 5 and inserted block 4 looks adaptation, fixedly connected with first spring 8 between T template 7 and the recess 6, locating plate 10 is close to one side fixedly connected with fixture block 11 of box 1, one side that T template 7 is close to fixture block 11 has seted up draw-in groove 12, the equal fixedly connected with second spring 13 of both sides face of box 1, the tip fixedly connected with stripper plate 14 of second spring 13, stripper plate 14 closely laminates with locating plate 10.

Wherein, insert the inserted block 4 of 2 bottoms of dust screen in bottom socket 5, press T template 7 on the inserted block 4 at its top downwards this moment, be in the vertical state after dust screen 2, elastic effect through first spring 8 this moment, drive T template 7 and shift up to the highest point, the elastic action through second spring 13 this moment, drive stripper plate 14 and outwards remove, until promoting locating plate 10 top, make the bottom of locating plate 10 be close to 1 side removal of box, until driving the inside that fixture block 11 inserted draw-in groove 12, lock T template 7, thereby conveniently install dust screen 2, reverse operation during the dismantlement can, can also jack-up clear up when making things convenient for the dismouting, dustproof effectual, it is dustproof to be convenient for the continuation.

Example 2

Referring to fig. 1, 3 and 4, the present invention provides an embodiment of the present invention: the utility model provides a broadcast transmitter no carrier wave alarm, including box 1, the last fixed surface of box 1 installs heat dissipation motor 15, heat dissipation motor 15's output is through pivot fixedly connected with radiating blade 16, the inner wall fixedly connected with ventilating board 17 of box 1, ventilating board 17's lower surface articulates there are a plurality of regulating plates 21, the roof of box 1 rotates and is connected with bull stick 18, it has connecting rod 22 to articulate between a plurality of regulating plates 21, the right side wall of box 1 is equipped with the promotion structure, all be connected with conveying chain 19 through the drive wheel transmission on pivot and the bull stick 18, the fixed cover in bottom of bull stick 18 is equipped with cam 20, the promotion structure is including promoting connecting rod 25, slide rail 23 and slide 24, the right side wall at box 1 is fixed to slide rail 23, slide rail 23 and slide 24 sliding connection, it is articulated with slide 24 and right side regulating plate 21 respectively to promote connecting rod 25, fixedly connected with third spring 26 between slide 24 and the box 1.

Wherein, work through heat dissipation motor 15, drive radiator vane 16 and rotate, can accelerate the inside circulation of air speed of box 1 this moment, make the inside heat of box 1 carry out cold and hot exchange with the external world through radiator grille 3, simultaneously through the transmission effect of transfer chain 19, drive bull stick 18 and cam 20 and rotate, can extrude slide 24 when cam 20 rotates, slide 24 moves to the right, the cooperation promotes the transmission effect of connecting rod 25 and connecting rod 22, make a plurality of regulating plates 21 move to the right, when cam 20 does not extrude slide 24, third spring 26 resets this moment, make regulating plate 21 move left, thereby cooperation regulating plate 21 swings to both sides, can adjust radiator vane 16's wind direction, be convenient for carry out even heat dissipation on the transmitter body 27.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a broadcast transmitter does not have carrier wave alarm, includes box (1) and dust screen (2), its characterized in that: the bottom fixed mounting of box (1) has transmitter body (27), the equal fixed mounting of both sides face of box (1) has radiator grille (3), the upper surface and the lower surface of dust screen (2) all articulate there is inserted block (4), top recess (6) have been seted up to the inside of inserted block (4), the upper surface activity interlude of recess (6) has T template (7), the equal fixedly connected with supporting seat (9) of both sides face of box (1), the surface of supporting seat (9) articulates there is locating plate (10), the last fixed surface of box (1) installs heat dissipation motor (15), the output of heat dissipation motor (15) is through pivot fixedly connected with radiator vane (16), the inner wall fixedly connected with ventilating board (17) of box (1), the lower surface of ventilating board (17) articulates there are a plurality of regulating plates (21), the roof of box (1) rotates and is connected with bull stick (18), and is a plurality of it has connecting rod (22) to articulate between regulating plate (21), the right side wall of box (1) is equipped with and promotes the structure.

2. A broadcast transmitter carrierless alarm according to claim 1, wherein: the two side faces of the box body (1) are fixedly connected with bottom sockets (5), and the bottom sockets (5) are matched with the insertion blocks (4).

3. A broadcast transmitter carrierless alarm according to claim 1, wherein: a first spring (8) is fixedly connected between the T-shaped plate (7) and the groove (6), a clamping block (11) is fixedly connected to one side, close to the box body (1), of the positioning plate (10), and a clamping groove (12) is formed in one side, close to the clamping block (11), of the T-shaped plate (7).

4. A broadcast transmitter carrierless alarm according to claim 1, wherein: the two side surfaces of the box body (1) are fixedly connected with second springs (13), the end portions of the second springs (13) are fixedly connected with extrusion plates (14), and the extrusion plates (14) are tightly attached to the positioning plates (10).

5. A broadcast transmitter carrierless alarm according to claim 1, wherein: the rotating shaft and the rotating rod (18) are both connected with a transmission chain (19) through a transmission wheel in a transmission way, and a cam (20) is fixedly sleeved at the bottom end of the rotating rod (18).

6. A broadcast transmitter carrierless alarm according to claim 1, wherein: promote structure is including promoting connecting rod (25), slide rail (23) and slide (24), the right side wall at box (1) is fixed in slide rail (23), slide rail (23) and slide (24) sliding connection, it is articulated with slide (24) and right side regulating plate (21) respectively to promote connecting rod (25), fixedly connected with third spring (26) between slide (24) and box (1).